diff --git a/stim/envi/envi.h b/stim/envi/envi.h index 079a76e..1113452 100644 --- a/stim/envi/envi.h +++ b/stim/envi/envi.h @@ -1136,7 +1136,14 @@ public: /// @param y0 is the lower-left y pixel coordinate to be included in the cropped image /// @param x1 is the upper-right x pixel coordinate to be included in the cropped image /// @param y1 is the upper-right y pixel coordinate to be included in the cropped image - bool crop(std::string outfile,unsigned x0, unsigned y0, unsigned x1, unsigned y1, unsigned b0, unsigned b1, bool PROGRESS = false){ + bool crop(std::string outfile, + unsigned long long x0, + unsigned long long y0, + unsigned long long x1, + unsigned long long y1, + unsigned long long b0, + unsigned long long b1, + bool PROGRESS = false){ //save the header for the cropped file stim::envi_header new_header = header; diff --git a/stim/image/CImg.h b/stim/image/CImg.h deleted file mode 100644 index 3889259..0000000 --- a/stim/image/CImg.h +++ /dev/null @@ -1,56520 +0,0 @@ -/* - # - # File : CImg.h - # ( C++ header file ) - # - # Description : The C++ Template Image Processing Toolkit. - # This file is the main component of the CImg Library project. - # ( http://cimg.eu ) - # - # Project manager : David Tschumperle. - # ( http://tschumperle.users.greyc.fr/ ) - # - # A complete list of contributors is available in file 'README.txt' - # distributed within the CImg package. - # - # Licenses : This file is 'dual-licensed', you have to choose one - # of the two licenses below to apply. - # - # CeCILL-C - # The CeCILL-C license is close to the GNU LGPL. - # ( http://www.cecill.info/licences/Licence_CeCILL-C_V1-en.html ) - # - # or CeCILL v2.0 - # The CeCILL license is compatible with the GNU GPL. - # ( http://www.cecill.info/licences/Licence_CeCILL_V2-en.html ) - # - # This software is governed either by the CeCILL or the CeCILL-C license - # under French law and abiding by the rules of distribution of free software. - # You can use, modify and or redistribute the software under the terms of - # the CeCILL or CeCILL-C licenses as circulated by CEA, CNRS and INRIA - # at the following URL: "http://www.cecill.info". - # - # As a counterpart to the access to the source code and rights to copy, - # modify and redistribute granted by the license, users are provided only - # with a limited warranty and the software's author, the holder of the - # economic rights, and the successive licensors have only limited - # liability. - # - # In this respect, the user's attention is drawn to the risks associated - # with loading, using, modifying and/or developing or reproducing the - # software by the user in light of its specific status of free software, - # that may mean that it is complicated to manipulate, and that also - # therefore means that it is reserved for developers and experienced - # professionals having in-depth computer knowledge. Users are therefore - # encouraged to load and test the software's suitability as regards their - # requirements in conditions enabling the security of their systems and/or - # data to be ensured and, more generally, to use and operate it in the - # same conditions as regards security. - # - # The fact that you are presently reading this means that you have had - # knowledge of the CeCILL and CeCILL-C licenses and that you accept its terms. - # -*/ - -// Set version number of the library. -#ifndef cimg_version -#define cimg_version 170 - -/*----------------------------------------------------------- - # - # Test and possibly auto-set CImg configuration variables - # and include required headers. - # - # If you find that the default configuration variables are - # not adapted to your system, you can override their values - # before including the header file "CImg.h" - # (use the #define directive). - # - ------------------------------------------------------------*/ - -// Include standard C++ headers. -// This is the minimal set of required headers to make CImg-based codes compile. -#include -#include -#include -#include -#include -#include -#include -#include -#include - -// Detect/configure OS variables. -// -// Define 'cimg_OS' to: '0' for an unknown OS (will try to minize library dependencies). -// '1' for a Unix-like OS (Linux, Solaris, BSD, MacOSX, Irix, ...). -// '2' for Microsoft Windows. -// (auto-detection is performed if 'cimg_OS' is not set by the user). -#ifndef cimg_OS -#if defined(unix) || defined(__unix) || defined(__unix__) \ - || defined(linux) || defined(__linux) || defined(__linux__) \ - || defined(sun) || defined(__sun) \ - || defined(BSD) || defined(__OpenBSD__) || defined(__NetBSD__) \ - || defined(__FreeBSD__) || defined (__DragonFly__) \ - || defined(sgi) || defined(__sgi) \ - || defined(__MACOSX__) || defined(__APPLE__) \ - || defined(__CYGWIN__) -#define cimg_OS 1 -#elif defined(_MSC_VER) || defined(WIN32) || defined(_WIN32) || defined(__WIN32__) \ - || defined(WIN64) || defined(_WIN64) || defined(__WIN64__) -#define cimg_OS 2 -#else -#define cimg_OS 0 -#endif -#elif !(cimg_OS==0 || cimg_OS==1 || cimg_OS==2) -#error CImg Library: Invalid configuration variable 'cimg_OS'. -#error (correct values are '0 = unknown OS', '1 = Unix-like OS', '2 = Microsoft Windows'). -#endif - -// Disable silly warnings on some Microsoft VC++ compilers. -#ifdef _MSC_VER -#pragma warning(push) -#pragma warning(disable:4127) -#pragma warning(disable:4311) -#pragma warning(disable:4312) -#pragma warning(disable:4512) -#pragma warning(disable:4571) -#pragma warning(disable:4640) -#pragma warning(disable:4706) -#pragma warning(disable:4710) -#pragma warning(disable:4800) -#pragma warning(disable:4804) -#pragma warning(disable:4820) -#pragma warning(disable:4996) -#define _CRT_SECURE_NO_DEPRECATE 1 -#define _CRT_SECURE_NO_WARNINGS 1 -#define _CRT_NONSTDC_NO_DEPRECATE 1 -#endif - -// Define correct string functions for each compiler and OS. -#if cimg_OS==2 && defined(_MSC_VER) -#define cimg_sscanf std::sscanf -#define cimg_sprintf std::sprintf -#define cimg_snprintf cimg::_snprintf -#define cimg_vsnprintf cimg::_vsnprintf -#else -#include -#if defined(__MACOSX__) || defined(__APPLE__) -#define cimg_sscanf cimg::_sscanf -#define cimg_sprintf cimg::_sprintf -#define cimg_snprintf cimg::_snprintf -#define cimg_vsnprintf cimg::_vsnprintf -#else -#define cimg_sscanf std::sscanf -#define cimg_sprintf std::sprintf -#define cimg_snprintf snprintf -#define cimg_vsnprintf vsnprintf -#endif -#endif - -// Include OS-specific headers. -#if cimg_OS==1 -#include -#include -#include -#include -#include -#include -#elif cimg_OS==2 -#ifndef NOMINMAX -#define NOMINMAX -#endif -#ifndef WIN32_LEAN_AND_MEAN -#define WIN32_LEAN_AND_MEAN -#endif -#include -#ifndef _WIN32_IE -#define _WIN32_IE 0x0400 -#endif -#include -#include -#include -#endif - -// Look for C++11 features. -#if !defined(cimg_use_cpp11) && __cplusplus>201100 -#define cimg_use_cpp11 1 -#endif -#if defined(cimg_use_cpp11) && cimg_use_cpp11!=0 -#include -#include -#endif - -// Configure the 'abort' signal handler (does nothing by default). -// A typical signal handler can be defined in your own source like this: -// Without OpenMP support: #define cimg_test_abort() if (is_abort) throw CImgAbortException("") -// -// or -// -// With OpenMP support: #define cimg_test_abort() if (!omp_get_thread_num() && is_abort) throw CImgAbortException("") -// -// where 'is_abort' is a boolean variable. -#ifndef cimg_test_abort -#define cimg_test_abort() -#endif - -// Configure filename separator. -// -// Filename separator is set by default to '/', except for Windows where it is '\'. -#ifndef cimg_file_separator -#if cimg_OS==2 -#define cimg_file_separator '\\' -#else -#define cimg_file_separator '/' -#endif -#endif - -// Configure verbosity of output messages. -// -// Define 'cimg_verbosity' to: '0' to hide library messages (quiet mode). -// '1' to output library messages on the console. -// '2' to output library messages on a basic dialog window (default behavior). -// '3' to do as '1' + add extra warnings (may slow down the code!). -// '4' to do as '2' + add extra warnings (may slow down the code!). -// -// Define 'cimg_strict_warnings' to replace warning messages by exception throwns. -// -// Define 'cimg_use_vt100' to allow output of color messages on VT100-compatible terminals. -#ifndef cimg_verbosity -#if cimg_OS==2 -#define cimg_verbosity 2 -#else -#define cimg_verbosity 1 -#endif -#elif !(cimg_verbosity==0 || cimg_verbosity==1 || cimg_verbosity==2 || cimg_verbosity==3 || cimg_verbosity==4) -#error CImg Library: Configuration variable 'cimg_verbosity' is badly defined. -#error (should be { 0=quiet | 1=console | 2=dialog | 3=console+warnings | 4=dialog+warnings }). -#endif - -// Configure display framework. -// -// Define 'cimg_display' to: '0' to disable display capabilities. -// '1' to use the X-Window framework (X11). -// '2' to use the Microsoft GDI32 framework. -#ifndef cimg_display -#if cimg_OS==0 -#define cimg_display 0 -#elif cimg_OS==1 -#define cimg_display 1 -#elif cimg_OS==2 -#define cimg_display 2 -#endif -#elif !(cimg_display==0 || cimg_display==1 || cimg_display==2) -#error CImg Library: Configuration variable 'cimg_display' is badly defined. -#error (should be { 0=none | 1=X-Window (X11) | 2=Microsoft GDI32 }). -#endif - -// Include display-specific headers. -#if cimg_display==1 -#include -#include -#include -#include -#ifdef cimg_use_xshm -#include -#include -#include -#endif -#ifdef cimg_use_xrandr -#include -#endif -#endif -#ifndef cimg_appname -#define cimg_appname "CImg" -#endif - -// Configure OpenMP support. -// (http://www.openmp.org) -// -// Define 'cimg_use_openmp' to enable OpenMP support. -// -// OpenMP directives may be used in a (very) few CImg functions to get -// advantages of multi-core CPUs. -#ifdef cimg_use_openmp -#include -#endif - -// Configure OpenCV support. -// (http://opencv.willowgarage.com/wiki/) -// -// Define 'cimg_use_opencv' to enable OpenCV support. -// -// OpenCV library may be used to access images from cameras -// (see method 'CImg::load_camera()'). -#ifdef cimg_use_opencv -#ifdef True -#undef True -#define _cimg_redefine_True -#endif -#ifdef False -#undef False -#define _cimg_redefine_False -#endif -#include -#include "cv.h" -#include "highgui.h" -#endif - -// Configure LibPNG support. -// (http://www.libpng.org) -// -// Define 'cimg_use_png' to enable LibPNG support. -// -// PNG library may be used to get a native support of '.png' files. -// (see methods 'CImg::{load,save}_png()'. -#ifdef cimg_use_png -extern "C" { -#include "png.h" -} -#endif - -// Configure LibJPEG support. -// (http://en.wikipedia.org/wiki/Libjpeg) -// -// Define 'cimg_use_jpeg' to enable LibJPEG support. -// -// JPEG library may be used to get a native support of '.jpg' files. -// (see methods 'CImg::{load,save}_jpeg()'). -#ifdef cimg_use_jpeg -extern "C" { -#include "jpeglib.h" -#include "setjmp.h" -} -#endif - -// Configure LibTIFF support. -// (http://www.libtiff.org) -// -// Define 'cimg_use_tiff' to enable LibTIFF support. -// -// TIFF library may be used to get a native support of '.tif' files. -// (see methods 'CImg[List]::{load,save}_tiff()'). -#ifdef cimg_use_tiff -extern "C" { -#define uint64 uint64_hack_ -#define int64 int64_hack_ -#include "tiffio.h" -#undef uint64 -#undef int64 -} -#endif - -// Configure LibMINC2 support. -// (http://en.wikibooks.org/wiki/MINC/Reference/MINC2.0_File_Format_Reference) -// -// Define 'cimg_use_minc2' to enable LibMINC2 support. -// -// MINC2 library may be used to get a native support of '.mnc' files. -// (see methods 'CImg::{load,save}_minc2()'). -#ifdef cimg_use_minc2 -#include "minc_io_simple_volume.h" -#include "minc_1_simple.h" -#include "minc_1_simple_rw.h" -#endif - -// Configure Zlib support. -// (http://www.zlib.net) -// -// Define 'cimg_use_zlib' to enable Zlib support. -// -// Zlib library may be used to allow compressed data in '.cimgz' files -// (see methods 'CImg[List]::{load,save}_cimg()'). -#ifdef cimg_use_zlib -extern "C" { -#include "zlib.h" -} -#endif - -// Configure libcurl support. -// (http://curl.haxx.se/libcurl/) -// -// Define 'cimg_use_curl' to enable libcurl support. -// -// Libcurl may be used to get a native support of file downloading from the network. -// (see method 'cimg::load_network()'.) -#ifdef cimg_use_curl -#include "curl/curl.h" -#endif - -// Configure Magick++ support. -// (http://www.imagemagick.org/Magick++) -// -// Define 'cimg_use_magick' to enable Magick++ support. -// -// Magick++ library may be used to get a native support of various image file formats. -// (see methods 'CImg::{load,save}()'). -#ifdef cimg_use_magick -#include "Magick++.h" -#endif - -// Configure FFTW3 support. -// (http://www.fftw.org) -// -// Define 'cimg_use_fftw3' to enable libFFTW3 support. -// -// FFTW3 library may be used to efficiently compute the Fast Fourier Transform -// of image data, without restriction on the image size. -// (see method 'CImg[List]::FFT()'). -#ifdef cimg_use_fftw3 -extern "C" { -#include "fftw3.h" -} -#endif - -// Configure LibBoard support. -// (http://libboard.sourceforge.net/) -// -// Define 'cimg_use_board' to enable Board support. -// -// Board library may be used to draw 3d objects in vector-graphics canvas -// that can be saved as '.ps' or '.svg' files afterwards. -// (see method 'CImg::draw_object3d()'). -#ifdef cimg_use_board -#ifdef None -#undef None -#define _cimg_redefine_None -#endif -#include "Board.h" -#endif - -// Configure OpenEXR support. -// (http://www.openexr.com/) -// -// Define 'cimg_use_openexr' to enable OpenEXR support. -// -// OpenEXR library may be used to get a native support of '.exr' files. -// (see methods 'CImg::{load,save}_exr()'). -#ifdef cimg_use_openexr -#include "ImfRgbaFile.h" -#include "ImfInputFile.h" -#include "ImfChannelList.h" -#include "ImfMatrixAttribute.h" -#include "ImfArray.h" -#endif - -// Lapack configuration. -// (http://www.netlib.org/lapack) -// -// Define 'cimg_use_lapack' to enable LAPACK support. -// -// Lapack library may be used in several CImg methods to speed up -// matrix computations (eigenvalues, inverse, ...). -#ifdef cimg_use_lapack -extern "C" { - extern void sgetrf_(int*, int*, float*, int*, int*, int*); - extern void sgetri_(int*, float*, int*, int*, float*, int*, int*); - extern void sgetrs_(char*, int*, int*, float*, int*, int*, float*, int*, int*); - extern void sgesvd_(char*, char*, int*, int*, float*, int*, float*, float*, int*, float*, int*, float*, int*, int*); - extern void ssyev_(char*, char*, int*, float*, int*, float*, float*, int*, int*); - extern void dgetrf_(int*, int*, double*, int*, int*, int*); - extern void dgetri_(int*, double*, int*, int*, double*, int*, int*); - extern void dgetrs_(char*, int*, int*, double*, int*, int*, double*, int*, int*); - extern void dgesvd_(char*, char*, int*, int*, double*, int*, double*, double*, - int*, double*, int*, double*, int*, int*); - extern void dsyev_(char*, char*, int*, double*, int*, double*, double*, int*, int*); - extern void dgels_(char*, int*,int*,int*,double*,int*,double*,int*,double*,int*,int*); - extern void sgels_(char*, int*,int*,int*,float*,int*,float*,int*,float*,int*,int*); -} -#endif - -// Check if min/max/PI macros are defined. -// -// CImg does not compile if macros 'min', 'max' or 'PI' are defined, -// because it redefines functions min(), max() and const variable PI in the cimg:: namespace. -// so it '#undef' these macros if necessary, and restore them to reasonable -// values at the end of this file. -#ifdef min -#undef min -#define _cimg_redefine_min -#endif -#ifdef max -#undef max -#define _cimg_redefine_max -#endif -#ifdef PI -#undef PI -#define _cimg_redefine_PI -#endif - -// Define 'cimg_library' namespace suffix. -// -// You may want to add a suffix to the 'cimg_library' namespace, for instance if you need to work -// with several versions of the library at the same time. -#ifdef cimg_namespace_suffix -#define __cimg_library_suffixed(s) cimg_library_##s -#define _cimg_library_suffixed(s) __cimg_library_suffixed(s) -#define cimg_library_suffixed _cimg_library_suffixed(cimg_namespace_suffix) -#else -#define cimg_library_suffixed cimg_library -#endif - -/*------------------------------------------------------------------------------ - # - # Define user-friendly macros. - # - # These CImg macros are prefixed by 'cimg_' and can be used safely in your own - # code. They are useful to parse command line options, or to write image loops. - # - ------------------------------------------------------------------------------*/ - -// Macros to define program usage, and retrieve command line arguments. -#define cimg_usage(usage) cimg_library_suffixed::cimg::option((char*)0,argc,argv,(char*)0,usage,false) -#define cimg_help(str) cimg_library_suffixed::cimg::option((char*)0,argc,argv,str,(char*)0) -#define cimg_option(name,defaut,usage) cimg_library_suffixed::cimg::option(name,argc,argv,defaut,usage) - -// Macros to define and manipulate local neighborhoods. -#define CImg_2x2(I,T) T I[4]; \ - T& I##cc = I[0]; T& I##nc = I[1]; \ - T& I##cn = I[2]; T& I##nn = I[3]; \ - I##cc = I##nc = \ - I##cn = I##nn = 0 - -#define CImg_3x3(I,T) T I[9]; \ - T& I##pp = I[0]; T& I##cp = I[1]; T& I##np = I[2]; \ - T& I##pc = I[3]; T& I##cc = I[4]; T& I##nc = I[5]; \ - T& I##pn = I[6]; T& I##cn = I[7]; T& I##nn = I[8]; \ - I##pp = I##cp = I##np = \ - I##pc = I##cc = I##nc = \ - I##pn = I##cn = I##nn = 0 - -#define CImg_4x4(I,T) T I[16]; \ - T& I##pp = I[0]; T& I##cp = I[1]; T& I##np = I[2]; T& I##ap = I[3]; \ - T& I##pc = I[4]; T& I##cc = I[5]; T& I##nc = I[6]; T& I##ac = I[7]; \ - T& I##pn = I[8]; T& I##cn = I[9]; T& I##nn = I[10]; T& I##an = I[11]; \ - T& I##pa = I[12]; T& I##ca = I[13]; T& I##na = I[14]; T& I##aa = I[15]; \ - I##pp = I##cp = I##np = I##ap = \ - I##pc = I##cc = I##nc = I##ac = \ - I##pn = I##cn = I##nn = I##an = \ - I##pa = I##ca = I##na = I##aa = 0 - -#define CImg_5x5(I,T) T I[25]; \ - T& I##bb = I[0]; T& I##pb = I[1]; T& I##cb = I[2]; T& I##nb = I[3]; T& I##ab = I[4]; \ - T& I##bp = I[5]; T& I##pp = I[6]; T& I##cp = I[7]; T& I##np = I[8]; T& I##ap = I[9]; \ - T& I##bc = I[10]; T& I##pc = I[11]; T& I##cc = I[12]; T& I##nc = I[13]; T& I##ac = I[14]; \ - T& I##bn = I[15]; T& I##pn = I[16]; T& I##cn = I[17]; T& I##nn = I[18]; T& I##an = I[19]; \ - T& I##ba = I[20]; T& I##pa = I[21]; T& I##ca = I[22]; T& I##na = I[23]; T& I##aa = I[24]; \ - I##bb = I##pb = I##cb = I##nb = I##ab = \ - I##bp = I##pp = I##cp = I##np = I##ap = \ - I##bc = I##pc = I##cc = I##nc = I##ac = \ - I##bn = I##pn = I##cn = I##nn = I##an = \ - I##ba = I##pa = I##ca = I##na = I##aa = 0 - -#define CImg_2x2x2(I,T) T I[8]; \ - T& I##ccc = I[0]; T& I##ncc = I[1]; \ - T& I##cnc = I[2]; T& I##nnc = I[3]; \ - T& I##ccn = I[4]; T& I##ncn = I[5]; \ - T& I##cnn = I[6]; T& I##nnn = I[7]; \ - I##ccc = I##ncc = \ - I##cnc = I##nnc = \ - I##ccn = I##ncn = \ - I##cnn = I##nnn = 0 - -#define CImg_3x3x3(I,T) T I[27]; \ - T& I##ppp = I[0]; T& I##cpp = I[1]; T& I##npp = I[2]; \ - T& I##pcp = I[3]; T& I##ccp = I[4]; T& I##ncp = I[5]; \ - T& I##pnp = I[6]; T& I##cnp = I[7]; T& I##nnp = I[8]; \ - T& I##ppc = I[9]; T& I##cpc = I[10]; T& I##npc = I[11]; \ - T& I##pcc = I[12]; T& I##ccc = I[13]; T& I##ncc = I[14]; \ - T& I##pnc = I[15]; T& I##cnc = I[16]; T& I##nnc = I[17]; \ - T& I##ppn = I[18]; T& I##cpn = I[19]; T& I##npn = I[20]; \ - T& I##pcn = I[21]; T& I##ccn = I[22]; T& I##ncn = I[23]; \ - T& I##pnn = I[24]; T& I##cnn = I[25]; T& I##nnn = I[26]; \ - I##ppp = I##cpp = I##npp = \ - I##pcp = I##ccp = I##ncp = \ - I##pnp = I##cnp = I##nnp = \ - I##ppc = I##cpc = I##npc = \ - I##pcc = I##ccc = I##ncc = \ - I##pnc = I##cnc = I##nnc = \ - I##ppn = I##cpn = I##npn = \ - I##pcn = I##ccn = I##ncn = \ - I##pnn = I##cnn = I##nnn = 0 - -#define cimg_get2x2(img,x,y,z,c,I,T) \ - I[0] = (T)(img)(x,y,z,c), I[1] = (T)(img)(_n1##x,y,z,c), I[2] = (T)(img)(x,_n1##y,z,c), \ - I[3] = (T)(img)(_n1##x,_n1##y,z,c) - -#define cimg_get3x3(img,x,y,z,c,I,T) \ - I[0] = (T)(img)(_p1##x,_p1##y,z,c), I[1] = (T)(img)(x,_p1##y,z,c), I[2] = (T)(img)(_n1##x,_p1##y,z,c), \ - I[3] = (T)(img)(_p1##x,y,z,c), I[4] = (T)(img)(x,y,z,c), I[5] = (T)(img)(_n1##x,y,z,c), \ - I[6] = (T)(img)(_p1##x,_n1##y,z,c), I[7] = (T)(img)(x,_n1##y,z,c), I[8] = (T)(img)(_n1##x,_n1##y,z,c) - -#define cimg_get4x4(img,x,y,z,c,I,T) \ - I[0] = (T)(img)(_p1##x,_p1##y,z,c), I[1] = (T)(img)(x,_p1##y,z,c), I[2] = (T)(img)(_n1##x,_p1##y,z,c), \ - I[3] = (T)(img)(_n2##x,_p1##y,z,c), I[4] = (T)(img)(_p1##x,y,z,c), I[5] = (T)(img)(x,y,z,c), \ - I[6] = (T)(img)(_n1##x,y,z,c), I[7] = (T)(img)(_n2##x,y,z,c), I[8] = (T)(img)(_p1##x,_n1##y,z,c), \ - I[9] = (T)(img)(x,_n1##y,z,c), I[10] = (T)(img)(_n1##x,_n1##y,z,c), I[11] = (T)(img)(_n2##x,_n1##y,z,c), \ - I[12] = (T)(img)(_p1##x,_n2##y,z,c), I[13] = (T)(img)(x,_n2##y,z,c), I[14] = (T)(img)(_n1##x,_n2##y,z,c), \ - I[15] = (T)(img)(_n2##x,_n2##y,z,c) - -#define cimg_get5x5(img,x,y,z,c,I,T) \ - I[0] = (T)(img)(_p2##x,_p2##y,z,c), I[1] = (T)(img)(_p1##x,_p2##y,z,c), I[2] = (T)(img)(x,_p2##y,z,c), \ - I[3] = (T)(img)(_n1##x,_p2##y,z,c), I[4] = (T)(img)(_n2##x,_p2##y,z,c), I[5] = (T)(img)(_p2##x,_p1##y,z,c), \ - I[6] = (T)(img)(_p1##x,_p1##y,z,c), I[7] = (T)(img)(x,_p1##y,z,c), I[8] = (T)(img)(_n1##x,_p1##y,z,c), \ - I[9] = (T)(img)(_n2##x,_p1##y,z,c), I[10] = (T)(img)(_p2##x,y,z,c), I[11] = (T)(img)(_p1##x,y,z,c), \ - I[12] = (T)(img)(x,y,z,c), I[13] = (T)(img)(_n1##x,y,z,c), I[14] = (T)(img)(_n2##x,y,z,c), \ - I[15] = (T)(img)(_p2##x,_n1##y,z,c), I[16] = (T)(img)(_p1##x,_n1##y,z,c), I[17] = (T)(img)(x,_n1##y,z,c), \ - I[18] = (T)(img)(_n1##x,_n1##y,z,c), I[19] = (T)(img)(_n2##x,_n1##y,z,c), I[20] = (T)(img)(_p2##x,_n2##y,z,c), \ - I[21] = (T)(img)(_p1##x,_n2##y,z,c), I[22] = (T)(img)(x,_n2##y,z,c), I[23] = (T)(img)(_n1##x,_n2##y,z,c), \ - I[24] = (T)(img)(_n2##x,_n2##y,z,c) - -#define cimg_get6x6(img,x,y,z,c,I,T) \ - I[0] = (T)(img)(_p2##x,_p2##y,z,c), I[1] = (T)(img)(_p1##x,_p2##y,z,c), I[2] = (T)(img)(x,_p2##y,z,c), \ - I[3] = (T)(img)(_n1##x,_p2##y,z,c), I[4] = (T)(img)(_n2##x,_p2##y,z,c), I[5] = (T)(img)(_n3##x,_p2##y,z,c), \ - I[6] = (T)(img)(_p2##x,_p1##y,z,c), I[7] = (T)(img)(_p1##x,_p1##y,z,c), I[8] = (T)(img)(x,_p1##y,z,c), \ - I[9] = (T)(img)(_n1##x,_p1##y,z,c), I[10] = (T)(img)(_n2##x,_p1##y,z,c), I[11] = (T)(img)(_n3##x,_p1##y,z,c), \ - I[12] = (T)(img)(_p2##x,y,z,c), I[13] = (T)(img)(_p1##x,y,z,c), I[14] = (T)(img)(x,y,z,c), \ - I[15] = (T)(img)(_n1##x,y,z,c), I[16] = (T)(img)(_n2##x,y,z,c), I[17] = (T)(img)(_n3##x,y,z,c), \ - I[18] = (T)(img)(_p2##x,_n1##y,z,c), I[19] = (T)(img)(_p1##x,_n1##y,z,c), I[20] = (T)(img)(x,_n1##y,z,c), \ - I[21] = (T)(img)(_n1##x,_n1##y,z,c), I[22] = (T)(img)(_n2##x,_n1##y,z,c), I[23] = (T)(img)(_n3##x,_n1##y,z,c), \ - I[24] = (T)(img)(_p2##x,_n2##y,z,c), I[25] = (T)(img)(_p1##x,_n2##y,z,c), I[26] = (T)(img)(x,_n2##y,z,c), \ - I[27] = (T)(img)(_n1##x,_n2##y,z,c), I[28] = (T)(img)(_n2##x,_n2##y,z,c), I[29] = (T)(img)(_n3##x,_n2##y,z,c), \ - I[30] = (T)(img)(_p2##x,_n3##y,z,c), I[31] = (T)(img)(_p1##x,_n3##y,z,c), I[32] = (T)(img)(x,_n3##y,z,c), \ - I[33] = (T)(img)(_n1##x,_n3##y,z,c), I[34] = (T)(img)(_n2##x,_n3##y,z,c), I[35] = (T)(img)(_n3##x,_n3##y,z,c) - -#define cimg_get7x7(img,x,y,z,c,I,T) \ - I[0] = (T)(img)(_p3##x,_p3##y,z,c), I[1] = (T)(img)(_p2##x,_p3##y,z,c), I[2] = (T)(img)(_p1##x,_p3##y,z,c), \ - I[3] = (T)(img)(x,_p3##y,z,c), I[4] = (T)(img)(_n1##x,_p3##y,z,c), I[5] = (T)(img)(_n2##x,_p3##y,z,c), \ - I[6] = (T)(img)(_n3##x,_p3##y,z,c), I[7] = (T)(img)(_p3##x,_p2##y,z,c), I[8] = (T)(img)(_p2##x,_p2##y,z,c), \ - I[9] = (T)(img)(_p1##x,_p2##y,z,c), I[10] = (T)(img)(x,_p2##y,z,c), I[11] = (T)(img)(_n1##x,_p2##y,z,c), \ - I[12] = (T)(img)(_n2##x,_p2##y,z,c), I[13] = (T)(img)(_n3##x,_p2##y,z,c), I[14] = (T)(img)(_p3##x,_p1##y,z,c), \ - I[15] = (T)(img)(_p2##x,_p1##y,z,c), I[16] = (T)(img)(_p1##x,_p1##y,z,c), I[17] = (T)(img)(x,_p1##y,z,c), \ - I[18] = (T)(img)(_n1##x,_p1##y,z,c), I[19] = (T)(img)(_n2##x,_p1##y,z,c), I[20] = (T)(img)(_n3##x,_p1##y,z,c), \ - I[21] = (T)(img)(_p3##x,y,z,c), I[22] = (T)(img)(_p2##x,y,z,c), I[23] = (T)(img)(_p1##x,y,z,c), \ - I[24] = (T)(img)(x,y,z,c), I[25] = (T)(img)(_n1##x,y,z,c), I[26] = (T)(img)(_n2##x,y,z,c), \ - I[27] = (T)(img)(_n3##x,y,z,c), I[28] = (T)(img)(_p3##x,_n1##y,z,c), I[29] = (T)(img)(_p2##x,_n1##y,z,c), \ - I[30] = (T)(img)(_p1##x,_n1##y,z,c), I[31] = (T)(img)(x,_n1##y,z,c), I[32] = (T)(img)(_n1##x,_n1##y,z,c), \ - I[33] = (T)(img)(_n2##x,_n1##y,z,c), I[34] = (T)(img)(_n3##x,_n1##y,z,c), I[35] = (T)(img)(_p3##x,_n2##y,z,c), \ - I[36] = (T)(img)(_p2##x,_n2##y,z,c), I[37] = (T)(img)(_p1##x,_n2##y,z,c), I[38] = (T)(img)(x,_n2##y,z,c), \ - I[39] = (T)(img)(_n1##x,_n2##y,z,c), I[40] = (T)(img)(_n2##x,_n2##y,z,c), I[41] = (T)(img)(_n3##x,_n2##y,z,c), \ - I[42] = (T)(img)(_p3##x,_n3##y,z,c), I[43] = (T)(img)(_p2##x,_n3##y,z,c), I[44] = (T)(img)(_p1##x,_n3##y,z,c), \ - I[45] = (T)(img)(x,_n3##y,z,c), I[46] = (T)(img)(_n1##x,_n3##y,z,c), I[47] = (T)(img)(_n2##x,_n3##y,z,c), \ - I[48] = (T)(img)(_n3##x,_n3##y,z,c) - -#define cimg_get8x8(img,x,y,z,c,I,T) \ - I[0] = (T)(img)(_p3##x,_p3##y,z,c), I[1] = (T)(img)(_p2##x,_p3##y,z,c), I[2] = (T)(img)(_p1##x,_p3##y,z,c), \ - I[3] = (T)(img)(x,_p3##y,z,c), I[4] = (T)(img)(_n1##x,_p3##y,z,c), I[5] = (T)(img)(_n2##x,_p3##y,z,c), \ - I[6] = (T)(img)(_n3##x,_p3##y,z,c), I[7] = (T)(img)(_n4##x,_p3##y,z,c), I[8] = (T)(img)(_p3##x,_p2##y,z,c), \ - I[9] = (T)(img)(_p2##x,_p2##y,z,c), I[10] = (T)(img)(_p1##x,_p2##y,z,c), I[11] = (T)(img)(x,_p2##y,z,c), \ - I[12] = (T)(img)(_n1##x,_p2##y,z,c), I[13] = (T)(img)(_n2##x,_p2##y,z,c), I[14] = (T)(img)(_n3##x,_p2##y,z,c), \ - I[15] = (T)(img)(_n4##x,_p2##y,z,c), I[16] = (T)(img)(_p3##x,_p1##y,z,c), I[17] = (T)(img)(_p2##x,_p1##y,z,c), \ - I[18] = (T)(img)(_p1##x,_p1##y,z,c), I[19] = (T)(img)(x,_p1##y,z,c), I[20] = (T)(img)(_n1##x,_p1##y,z,c), \ - I[21] = (T)(img)(_n2##x,_p1##y,z,c), I[22] = (T)(img)(_n3##x,_p1##y,z,c), I[23] = (T)(img)(_n4##x,_p1##y,z,c), \ - I[24] = (T)(img)(_p3##x,y,z,c), I[25] = (T)(img)(_p2##x,y,z,c), I[26] = (T)(img)(_p1##x,y,z,c), \ - I[27] = (T)(img)(x,y,z,c), I[28] = (T)(img)(_n1##x,y,z,c), I[29] = (T)(img)(_n2##x,y,z,c), \ - I[30] = (T)(img)(_n3##x,y,z,c), I[31] = (T)(img)(_n4##x,y,z,c), I[32] = (T)(img)(_p3##x,_n1##y,z,c), \ - I[33] = (T)(img)(_p2##x,_n1##y,z,c), I[34] = (T)(img)(_p1##x,_n1##y,z,c), I[35] = (T)(img)(x,_n1##y,z,c), \ - I[36] = (T)(img)(_n1##x,_n1##y,z,c), I[37] = (T)(img)(_n2##x,_n1##y,z,c), I[38] = (T)(img)(_n3##x,_n1##y,z,c), \ - I[39] = (T)(img)(_n4##x,_n1##y,z,c), I[40] = (T)(img)(_p3##x,_n2##y,z,c), I[41] = (T)(img)(_p2##x,_n2##y,z,c), \ - I[42] = (T)(img)(_p1##x,_n2##y,z,c), I[43] = (T)(img)(x,_n2##y,z,c), I[44] = (T)(img)(_n1##x,_n2##y,z,c), \ - I[45] = (T)(img)(_n2##x,_n2##y,z,c), I[46] = (T)(img)(_n3##x,_n2##y,z,c), I[47] = (T)(img)(_n4##x,_n2##y,z,c), \ - I[48] = (T)(img)(_p3##x,_n3##y,z,c), I[49] = (T)(img)(_p2##x,_n3##y,z,c), I[50] = (T)(img)(_p1##x,_n3##y,z,c), \ - I[51] = (T)(img)(x,_n3##y,z,c), I[52] = (T)(img)(_n1##x,_n3##y,z,c), I[53] = (T)(img)(_n2##x,_n3##y,z,c), \ - I[54] = (T)(img)(_n3##x,_n3##y,z,c), I[55] = (T)(img)(_n4##x,_n3##y,z,c), I[56] = (T)(img)(_p3##x,_n4##y,z,c), \ - I[57] = (T)(img)(_p2##x,_n4##y,z,c), I[58] = (T)(img)(_p1##x,_n4##y,z,c), I[59] = (T)(img)(x,_n4##y,z,c), \ - I[60] = (T)(img)(_n1##x,_n4##y,z,c), I[61] = (T)(img)(_n2##x,_n4##y,z,c), I[62] = (T)(img)(_n3##x,_n4##y,z,c), \ - I[63] = (T)(img)(_n4##x,_n4##y,z,c); - -#define cimg_get9x9(img,x,y,z,c,I,T) \ - I[0] = (T)(img)(_p4##x,_p4##y,z,c), I[1] = (T)(img)(_p3##x,_p4##y,z,c), I[2] = (T)(img)(_p2##x,_p4##y,z,c), \ - I[3] = (T)(img)(_p1##x,_p4##y,z,c), I[4] = (T)(img)(x,_p4##y,z,c), I[5] = (T)(img)(_n1##x,_p4##y,z,c), \ - I[6] = (T)(img)(_n2##x,_p4##y,z,c), I[7] = (T)(img)(_n3##x,_p4##y,z,c), I[8] = (T)(img)(_n4##x,_p4##y,z,c), \ - I[9] = (T)(img)(_p4##x,_p3##y,z,c), I[10] = (T)(img)(_p3##x,_p3##y,z,c), I[11] = (T)(img)(_p2##x,_p3##y,z,c), \ - I[12] = (T)(img)(_p1##x,_p3##y,z,c), I[13] = (T)(img)(x,_p3##y,z,c), I[14] = (T)(img)(_n1##x,_p3##y,z,c), \ - I[15] = (T)(img)(_n2##x,_p3##y,z,c), I[16] = (T)(img)(_n3##x,_p3##y,z,c), I[17] = (T)(img)(_n4##x,_p3##y,z,c), \ - I[18] = (T)(img)(_p4##x,_p2##y,z,c), I[19] = (T)(img)(_p3##x,_p2##y,z,c), I[20] = (T)(img)(_p2##x,_p2##y,z,c), \ - I[21] = (T)(img)(_p1##x,_p2##y,z,c), I[22] = (T)(img)(x,_p2##y,z,c), I[23] = (T)(img)(_n1##x,_p2##y,z,c), \ - I[24] = (T)(img)(_n2##x,_p2##y,z,c), I[25] = (T)(img)(_n3##x,_p2##y,z,c), I[26] = (T)(img)(_n4##x,_p2##y,z,c), \ - I[27] = (T)(img)(_p4##x,_p1##y,z,c), I[28] = (T)(img)(_p3##x,_p1##y,z,c), I[29] = (T)(img)(_p2##x,_p1##y,z,c), \ - I[30] = (T)(img)(_p1##x,_p1##y,z,c), I[31] = (T)(img)(x,_p1##y,z,c), I[32] = (T)(img)(_n1##x,_p1##y,z,c), \ - I[33] = (T)(img)(_n2##x,_p1##y,z,c), I[34] = (T)(img)(_n3##x,_p1##y,z,c), I[35] = (T)(img)(_n4##x,_p1##y,z,c), \ - I[36] = (T)(img)(_p4##x,y,z,c), I[37] = (T)(img)(_p3##x,y,z,c), I[38] = (T)(img)(_p2##x,y,z,c), \ - I[39] = (T)(img)(_p1##x,y,z,c), I[40] = (T)(img)(x,y,z,c), I[41] = (T)(img)(_n1##x,y,z,c), \ - I[42] = (T)(img)(_n2##x,y,z,c), I[43] = (T)(img)(_n3##x,y,z,c), I[44] = (T)(img)(_n4##x,y,z,c), \ - I[45] = (T)(img)(_p4##x,_n1##y,z,c), I[46] = (T)(img)(_p3##x,_n1##y,z,c), I[47] = (T)(img)(_p2##x,_n1##y,z,c), \ - I[48] = (T)(img)(_p1##x,_n1##y,z,c), I[49] = (T)(img)(x,_n1##y,z,c), I[50] = (T)(img)(_n1##x,_n1##y,z,c), \ - I[51] = (T)(img)(_n2##x,_n1##y,z,c), I[52] = (T)(img)(_n3##x,_n1##y,z,c), I[53] = (T)(img)(_n4##x,_n1##y,z,c), \ - I[54] = (T)(img)(_p4##x,_n2##y,z,c), I[55] = (T)(img)(_p3##x,_n2##y,z,c), I[56] = (T)(img)(_p2##x,_n2##y,z,c), \ - I[57] = (T)(img)(_p1##x,_n2##y,z,c), I[58] = (T)(img)(x,_n2##y,z,c), I[59] = (T)(img)(_n1##x,_n2##y,z,c), \ - I[60] = (T)(img)(_n2##x,_n2##y,z,c), I[61] = (T)(img)(_n3##x,_n2##y,z,c), I[62] = (T)(img)(_n4##x,_n2##y,z,c), \ - I[63] = (T)(img)(_p4##x,_n3##y,z,c), I[64] = (T)(img)(_p3##x,_n3##y,z,c), I[65] = (T)(img)(_p2##x,_n3##y,z,c), \ - I[66] = (T)(img)(_p1##x,_n3##y,z,c), I[67] = (T)(img)(x,_n3##y,z,c), I[68] = (T)(img)(_n1##x,_n3##y,z,c), \ - I[69] = (T)(img)(_n2##x,_n3##y,z,c), I[70] = (T)(img)(_n3##x,_n3##y,z,c), I[71] = (T)(img)(_n4##x,_n3##y,z,c), \ - I[72] = (T)(img)(_p4##x,_n4##y,z,c), I[73] = (T)(img)(_p3##x,_n4##y,z,c), I[74] = (T)(img)(_p2##x,_n4##y,z,c), \ - I[75] = (T)(img)(_p1##x,_n4##y,z,c), I[76] = (T)(img)(x,_n4##y,z,c), I[77] = (T)(img)(_n1##x,_n4##y,z,c), \ - I[78] = (T)(img)(_n2##x,_n4##y,z,c), I[79] = (T)(img)(_n3##x,_n4##y,z,c), I[80] = (T)(img)(_n4##x,_n4##y,z,c) - -#define cimg_get2x2x2(img,x,y,z,c,I,T) \ - I[0] = (T)(img)(x,y,z,c), I[1] = (T)(img)(_n1##x,y,z,c), I[2] = (T)(img)(x,_n1##y,z,c), \ - I[3] = (T)(img)(_n1##x,_n1##y,z,c), I[4] = (T)(img)(x,y,_n1##z,c), I[5] = (T)(img)(_n1##x,y,_n1##z,c), \ - I[6] = (T)(img)(x,_n1##y,_n1##z,c), I[7] = (T)(img)(_n1##x,_n1##y,_n1##z,c) - -#define cimg_get3x3x3(img,x,y,z,c,I,T) \ - I[0] = (T)(img)(_p1##x,_p1##y,_p1##z,c), I[1] = (T)(img)(x,_p1##y,_p1##z,c), \ - I[2] = (T)(img)(_n1##x,_p1##y,_p1##z,c), I[3] = (T)(img)(_p1##x,y,_p1##z,c), I[4] = (T)(img)(x,y,_p1##z,c), \ - I[5] = (T)(img)(_n1##x,y,_p1##z,c), I[6] = (T)(img)(_p1##x,_n1##y,_p1##z,c), I[7] = (T)(img)(x,_n1##y,_p1##z,c), \ - I[8] = (T)(img)(_n1##x,_n1##y,_p1##z,c), I[9] = (T)(img)(_p1##x,_p1##y,z,c), I[10] = (T)(img)(x,_p1##y,z,c), \ - I[11] = (T)(img)(_n1##x,_p1##y,z,c), I[12] = (T)(img)(_p1##x,y,z,c), I[13] = (T)(img)(x,y,z,c), \ - I[14] = (T)(img)(_n1##x,y,z,c), I[15] = (T)(img)(_p1##x,_n1##y,z,c), I[16] = (T)(img)(x,_n1##y,z,c), \ - I[17] = (T)(img)(_n1##x,_n1##y,z,c), I[18] = (T)(img)(_p1##x,_p1##y,_n1##z,c), I[19] = (T)(img)(x,_p1##y,_n1##z,c), \ - I[20] = (T)(img)(_n1##x,_p1##y,_n1##z,c), I[21] = (T)(img)(_p1##x,y,_n1##z,c), I[22] = (T)(img)(x,y,_n1##z,c), \ - I[23] = (T)(img)(_n1##x,y,_n1##z,c), I[24] = (T)(img)(_p1##x,_n1##y,_n1##z,c), I[25] = (T)(img)(x,_n1##y,_n1##z,c), \ - I[26] = (T)(img)(_n1##x,_n1##y,_n1##z,c) - -// Macros to perform various image loops. -// -// These macros are simpler to use than loops with C++ iterators. -#define cimg_for(img,ptrs,T_ptrs) \ - for (T_ptrs *ptrs = (img)._data, *_max##ptrs = (img)._data + (img).size(); ptrs<_max##ptrs; ++ptrs) -#define cimg_rof(img,ptrs,T_ptrs) for (T_ptrs *ptrs = (img)._data + (img).size() - 1; ptrs>=(img)._data; --ptrs) -#define cimg_foroff(img,off) for (unsigned long off = 0, _max##off = (img).size(); off<_max##off; ++off) - -#define cimg_for1(bound,i) for (int i = 0; i<(int)(bound); ++i) -#define cimg_forX(img,x) cimg_for1((img)._width,x) -#define cimg_forY(img,y) cimg_for1((img)._height,y) -#define cimg_forZ(img,z) cimg_for1((img)._depth,z) -#define cimg_forC(img,c) cimg_for1((img)._spectrum,c) -#define cimg_forXY(img,x,y) cimg_forY(img,y) cimg_forX(img,x) -#define cimg_forXZ(img,x,z) cimg_forZ(img,z) cimg_forX(img,x) -#define cimg_forYZ(img,y,z) cimg_forZ(img,z) cimg_forY(img,y) -#define cimg_forXC(img,x,c) cimg_forC(img,c) cimg_forX(img,x) -#define cimg_forYC(img,y,c) cimg_forC(img,c) cimg_forY(img,y) -#define cimg_forZC(img,z,c) cimg_forC(img,c) cimg_forZ(img,z) -#define cimg_forXYZ(img,x,y,z) cimg_forZ(img,z) cimg_forXY(img,x,y) -#define cimg_forXYC(img,x,y,c) cimg_forC(img,c) cimg_forXY(img,x,y) -#define cimg_forXZC(img,x,z,c) cimg_forC(img,c) cimg_forXZ(img,x,z) -#define cimg_forYZC(img,y,z,c) cimg_forC(img,c) cimg_forYZ(img,y,z) -#define cimg_forXYZC(img,x,y,z,c) cimg_forC(img,c) cimg_forXYZ(img,x,y,z) - -#define cimg_rof1(bound,i) for (int i = (int)(bound) - 1; i>=0; --i) -#define cimg_rofX(img,x) cimg_rof1((img)._width,x) -#define cimg_rofY(img,y) cimg_rof1((img)._height,y) -#define cimg_rofZ(img,z) cimg_rof1((img)._depth,z) -#define cimg_rofC(img,c) cimg_rof1((img)._spectrum,c) -#define cimg_rofXY(img,x,y) cimg_rofY(img,y) cimg_rofX(img,x) -#define cimg_rofXZ(img,x,z) cimg_rofZ(img,z) cimg_rofX(img,x) -#define cimg_rofYZ(img,y,z) cimg_rofZ(img,z) cimg_rofY(img,y) -#define cimg_rofXC(img,x,c) cimg_rofC(img,c) cimg_rofX(img,x) -#define cimg_rofYC(img,y,c) cimg_rofC(img,c) cimg_rofY(img,y) -#define cimg_rofZC(img,z,c) cimg_rofC(img,c) cimg_rofZ(img,z) -#define cimg_rofXYZ(img,x,y,z) cimg_rofZ(img,z) cimg_rofXY(img,x,y) -#define cimg_rofXYC(img,x,y,c) cimg_rofC(img,c) cimg_rofXY(img,x,y) -#define cimg_rofXZC(img,x,z,c) cimg_rofC(img,c) cimg_rofXZ(img,x,z) -#define cimg_rofYZC(img,y,z,c) cimg_rofC(img,c) cimg_rofYZ(img,y,z) -#define cimg_rofXYZC(img,x,y,z,c) cimg_rofC(img,c) cimg_rofXYZ(img,x,y,z) - -#define cimg_for_in1(bound,i0,i1,i) \ - for (int i = (int)(i0)<0?0:(int)(i0), _max##i = (int)(i1)<(int)(bound)?(int)(i1):(int)(bound) - 1; i<=_max##i; ++i) -#define cimg_for_inX(img,x0,x1,x) cimg_for_in1((img)._width,x0,x1,x) -#define cimg_for_inY(img,y0,y1,y) cimg_for_in1((img)._height,y0,y1,y) -#define cimg_for_inZ(img,z0,z1,z) cimg_for_in1((img)._depth,z0,z1,z) -#define cimg_for_inC(img,c0,c1,c) cimg_for_in1((img)._spectrum,c0,c1,c) -#define cimg_for_inXY(img,x0,y0,x1,y1,x,y) cimg_for_inY(img,y0,y1,y) cimg_for_inX(img,x0,x1,x) -#define cimg_for_inXZ(img,x0,z0,x1,z1,x,z) cimg_for_inZ(img,z0,z1,z) cimg_for_inX(img,x0,x1,x) -#define cimg_for_inXC(img,x0,c0,x1,c1,x,c) cimg_for_inC(img,c0,c1,c) cimg_for_inX(img,x0,x1,x) -#define cimg_for_inYZ(img,y0,z0,y1,z1,y,z) cimg_for_inZ(img,x0,z1,z) cimg_for_inY(img,y0,y1,y) -#define cimg_for_inYC(img,y0,c0,y1,c1,y,c) cimg_for_inC(img,c0,c1,c) cimg_for_inY(img,y0,y1,y) -#define cimg_for_inZC(img,z0,c0,z1,c1,z,c) cimg_for_inC(img,c0,c1,c) cimg_for_inZ(img,z0,z1,z) -#define cimg_for_inXYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_inZ(img,z0,z1,z) cimg_for_inXY(img,x0,y0,x1,y1,x,y) -#define cimg_for_inXYC(img,x0,y0,c0,x1,y1,c1,x,y,c) cimg_for_inC(img,c0,c1,c) cimg_for_inXY(img,x0,y0,x1,y1,x,y) -#define cimg_for_inXZC(img,x0,z0,c0,x1,z1,c1,x,z,c) cimg_for_inC(img,c0,c1,c) cimg_for_inXZ(img,x0,z0,x1,z1,x,z) -#define cimg_for_inYZC(img,y0,z0,c0,y1,z1,c1,y,z,c) cimg_for_inC(img,c0,c1,c) cimg_for_inYZ(img,y0,z0,y1,z1,y,z) -#define cimg_for_inXYZC(img,x0,y0,z0,c0,x1,y1,z1,c1,x,y,z,c) \ - cimg_for_inC(img,c0,c1,c) cimg_for_inXYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) -#define cimg_for_insideX(img,x,n) cimg_for_inX(img,n,(img)._width - 1 - (n),x) -#define cimg_for_insideY(img,y,n) cimg_for_inY(img,n,(img)._height - 1 - (n),y) -#define cimg_for_insideZ(img,z,n) cimg_for_inZ(img,n,(img)._depth - 1 - (n),z) -#define cimg_for_insideC(img,c,n) cimg_for_inC(img,n,(img)._spectrum - 1 - (n),c) -#define cimg_for_insideXY(img,x,y,n) cimg_for_inXY(img,n,n,(img)._width - 1 - (n),(img)._height - 1 - (n),x,y) -#define cimg_for_insideXYZ(img,x,y,z,n) \ - cimg_for_inXYZ(img,n,n,n,(img)._width - 1 - (n),(img)._height - 1 - (n),(img)._depth - 1 - (n),x,y,z) -#define cimg_for_insideXYZC(img,x,y,z,c,n) \ - cimg_for_inXYZ(img,n,n,n,(img)._width - 1 - (n),(img)._height - 1 - (n),(img)._depth - 1 - (n),x,y,z) - -#define cimg_for_out1(boundi,i0,i1,i) \ - for (int i = (int)(i0)>0?0:(int)(i1) + 1; i<(int)(boundi); ++i, i = i==(int)(i0)?(int)(i1) + 1:i) -#define cimg_for_out2(boundi,boundj,i0,j0,i1,j1,i,j) \ - for (int j = 0; j<(int)(boundj); ++j) \ - for (int _n1j = (int)(j<(int)(j0) || j>(int)(j1)), i = _n1j?0:(int)(i0)>0?0:(int)(i1) + 1; i<(int)(boundi); \ - ++i, i = _n1j?i:(i==(int)(i0)?(int)(i1) + 1:i)) -#define cimg_for_out3(boundi,boundj,boundk,i0,j0,k0,i1,j1,k1,i,j,k) \ - for (int k = 0; k<(int)(boundk); ++k) \ - for (int _n1k = (int)(k<(int)(k0) || k>(int)(k1)), j = 0; j<(int)(boundj); ++j) \ - for (int _n1j = (int)(j<(int)(j0) || j>(int)(j1)), i = _n1j || _n1k?0:(int)(i0)>0?0:(int)(i1) + 1; i<(int)(boundi); \ - ++i, i = _n1j || _n1k?i:(i==(int)(i0)?(int)(i1) + 1:i)) -#define cimg_for_out4(boundi,boundj,boundk,boundl,i0,j0,k0,l0,i1,j1,k1,l1,i,j,k,l) \ - for (int l = 0; l<(int)(boundl); ++l) \ - for (int _n1l = (int)(l<(int)(l0) || l>(int)(l1)), k = 0; k<(int)(boundk); ++k) \ - for (int _n1k = (int)(k<(int)(k0) || k>(int)(k1)), j = 0; j<(int)(boundj); ++j) \ - for (int _n1j = (int)(j<(int)(j0) || j>(int)(j1)), i = _n1j || _n1k || _n1l?0:(int)(i0)>0?0:(int)(i1) + 1; \ - i<(int)(boundi); ++i, i = _n1j || _n1k || _n1l?i:(i==(int)(i0)?(int)(i1) + 1:i)) -#define cimg_for_outX(img,x0,x1,x) cimg_for_out1((img)._width,x0,x1,x) -#define cimg_for_outY(img,y0,y1,y) cimg_for_out1((img)._height,y0,y1,y) -#define cimg_for_outZ(img,z0,z1,z) cimg_for_out1((img)._depth,z0,z1,z) -#define cimg_for_outC(img,c0,c1,c) cimg_for_out1((img)._spectrum,c0,c1,c) -#define cimg_for_outXY(img,x0,y0,x1,y1,x,y) cimg_for_out2((img)._width,(img)._height,x0,y0,x1,y1,x,y) -#define cimg_for_outXZ(img,x0,z0,x1,z1,x,z) cimg_for_out2((img)._width,(img)._depth,x0,z0,x1,z1,x,z) -#define cimg_for_outXC(img,x0,c0,x1,c1,x,c) cimg_for_out2((img)._width,(img)._spectrum,x0,c0,x1,c1,x,c) -#define cimg_for_outYZ(img,y0,z0,y1,z1,y,z) cimg_for_out2((img)._height,(img)._depth,y0,z0,y1,z1,y,z) -#define cimg_for_outYC(img,y0,c0,y1,c1,y,c) cimg_for_out2((img)._height,(img)._spectrum,y0,c0,y1,c1,y,c) -#define cimg_for_outZC(img,z0,c0,z1,c1,z,c) cimg_for_out2((img)._depth,(img)._spectrum,z0,c0,z1,c1,z,c) -#define cimg_for_outXYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) \ - cimg_for_out3((img)._width,(img)._height,(img)._depth,x0,y0,z0,x1,y1,z1,x,y,z) -#define cimg_for_outXYC(img,x0,y0,c0,x1,y1,c1,x,y,c) \ - cimg_for_out3((img)._width,(img)._height,(img)._spectrum,x0,y0,c0,x1,y1,c1,x,y,c) -#define cimg_for_outXZC(img,x0,z0,c0,x1,z1,c1,x,z,c) \ - cimg_for_out3((img)._width,(img)._depth,(img)._spectrum,x0,z0,c0,x1,z1,c1,x,z,c) -#define cimg_for_outYZC(img,y0,z0,c0,y1,z1,c1,y,z,c) \ - cimg_for_out3((img)._height,(img)._depth,(img)._spectrum,y0,z0,c0,y1,z1,c1,y,z,c) -#define cimg_for_outXYZC(img,x0,y0,z0,c0,x1,y1,z1,c1,x,y,z,c) \ - cimg_for_out4((img)._width,(img)._height,(img)._depth,(img)._spectrum,x0,y0,z0,c0,x1,y1,z1,c1,x,y,z,c) -#define cimg_for_borderX(img,x,n) cimg_for_outX(img,n,(img)._width - 1 - (n),x) -#define cimg_for_borderY(img,y,n) cimg_for_outY(img,n,(img)._height - 1 - (n),y) -#define cimg_for_borderZ(img,z,n) cimg_for_outZ(img,n,(img)._depth - 1 - (n),z) -#define cimg_for_borderC(img,c,n) cimg_for_outC(img,n,(img)._spectrum - 1 - (n),c) -#define cimg_for_borderXY(img,x,y,n) cimg_for_outXY(img,n,n,(img)._width - 1 - (n),(img)._height - 1 - (n),x,y) -#define cimg_for_borderXYZ(img,x,y,z,n) \ - cimg_for_outXYZ(img,n,n,n,(img)._width - 1 - (n),(img)._height - 1 - (n),(img)._depth - 1 - (n),x,y,z) -#define cimg_for_borderXYZC(img,x,y,z,c,n) \ - cimg_for_outXYZC(img,n,n,n,n,(img)._width - 1 - (n),(img)._height - 1 - (n), \ - (img)._depth - 1 - (n),(img)._spectrum - 1 - (n),x,y,z,c) - -#define cimg_for_spiralXY(img,x,y) \ - for (int x = 0, y = 0, _n1##x = 1, _n1##y = (img).width()*(img).height(); _n1##y; \ - --_n1##y, _n1##x+=(_n1##x>>2) - ((!(_n1##x&3)?--y:((_n1##x&3)==1?(img)._width - 1 - ++x:\ - ((_n1##x&3)==2?(img)._height - 1 - ++y:--x))))?0:1) - -#define cimg_for_lineXY(x,y,x0,y0,x1,y1) \ - for (int x = (int)(x0), y = (int)(y0), _sx = 1, _sy = 1, _steep = 0, \ - _dx=(x1)>(x0)?(int)(x1) - (int)(x0):(_sx=-1,(int)(x0) - (int)(x1)), \ - _dy=(y1)>(y0)?(int)(y1) - (int)(y0):(_sy=-1,(int)(y0) - (int)(y1)), \ - _counter = _dx, \ - _err = _dx>_dy?(_dy>>1):((_steep=1),(_counter=_dy),(_dx>>1)); \ - _counter>=0; \ - --_counter, x+=_steep? \ - (y+=_sy,(_err-=_dx)<0?_err+=_dy,_sx:0): \ - (y+=(_err-=_dy)<0?_err+=_dx,_sy:0,_sx)) - -#define cimg_for2(bound,i) \ - for (int i = 0, _n1##i = 1>=(bound)?(int)(bound) - 1:1; \ - _n1##i<(int)(bound) || i==--_n1##i; \ - ++i, ++_n1##i) -#define cimg_for2X(img,x) cimg_for2((img)._width,x) -#define cimg_for2Y(img,y) cimg_for2((img)._height,y) -#define cimg_for2Z(img,z) cimg_for2((img)._depth,z) -#define cimg_for2C(img,c) cimg_for2((img)._spectrum,c) -#define cimg_for2XY(img,x,y) cimg_for2Y(img,y) cimg_for2X(img,x) -#define cimg_for2XZ(img,x,z) cimg_for2Z(img,z) cimg_for2X(img,x) -#define cimg_for2XC(img,x,c) cimg_for2C(img,c) cimg_for2X(img,x) -#define cimg_for2YZ(img,y,z) cimg_for2Z(img,z) cimg_for2Y(img,y) -#define cimg_for2YC(img,y,c) cimg_for2C(img,c) cimg_for2Y(img,y) -#define cimg_for2ZC(img,z,c) cimg_for2C(img,c) cimg_for2Z(img,z) -#define cimg_for2XYZ(img,x,y,z) cimg_for2Z(img,z) cimg_for2XY(img,x,y) -#define cimg_for2XZC(img,x,z,c) cimg_for2C(img,c) cimg_for2XZ(img,x,z) -#define cimg_for2YZC(img,y,z,c) cimg_for2C(img,c) cimg_for2YZ(img,y,z) -#define cimg_for2XYZC(img,x,y,z,c) cimg_for2C(img,c) cimg_for2XYZ(img,x,y,z) - -#define cimg_for_in2(bound,i0,i1,i) \ - for (int i = (int)(i0)<0?0:(int)(i0), \ - _n1##i = i + 1>=(int)(bound)?(int)(bound) - 1:i + 1; \ - i<=(int)(i1) && (_n1##i<(int)(bound) || i==--_n1##i); \ - ++i, ++_n1##i) -#define cimg_for_in2X(img,x0,x1,x) cimg_for_in2((img)._width,x0,x1,x) -#define cimg_for_in2Y(img,y0,y1,y) cimg_for_in2((img)._height,y0,y1,y) -#define cimg_for_in2Z(img,z0,z1,z) cimg_for_in2((img)._depth,z0,z1,z) -#define cimg_for_in2C(img,c0,c1,c) cimg_for_in2((img)._spectrum,c0,c1,c) -#define cimg_for_in2XY(img,x0,y0,x1,y1,x,y) cimg_for_in2Y(img,y0,y1,y) cimg_for_in2X(img,x0,x1,x) -#define cimg_for_in2XZ(img,x0,z0,x1,z1,x,z) cimg_for_in2Z(img,z0,z1,z) cimg_for_in2X(img,x0,x1,x) -#define cimg_for_in2XC(img,x0,c0,x1,c1,x,c) cimg_for_in2C(img,c0,c1,c) cimg_for_in2X(img,x0,x1,x) -#define cimg_for_in2YZ(img,y0,z0,y1,z1,y,z) cimg_for_in2Z(img,z0,z1,z) cimg_for_in2Y(img,y0,y1,y) -#define cimg_for_in2YC(img,y0,c0,y1,c1,y,c) cimg_for_in2C(img,c0,c1,c) cimg_for_in2Y(img,y0,y1,y) -#define cimg_for_in2ZC(img,z0,c0,z1,c1,z,c) cimg_for_in2C(img,c0,c1,c) cimg_for_in2Z(img,z0,z1,z) -#define cimg_for_in2XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in2Z(img,z0,z1,z) cimg_for_in2XY(img,x0,y0,x1,y1,x,y) -#define cimg_for_in2XZC(img,x0,z0,c0,x1,y1,c1,x,z,c) cimg_for_in2C(img,c0,c1,c) cimg_for_in2XZ(img,x0,y0,x1,y1,x,z) -#define cimg_for_in2YZC(img,y0,z0,c0,y1,z1,c1,y,z,c) cimg_for_in2C(img,c0,c1,c) cimg_for_in2YZ(img,y0,z0,y1,z1,y,z) -#define cimg_for_in2XYZC(img,x0,y0,z0,c0,x1,y1,z1,c1,x,y,z,c) \ - cimg_for_in2C(img,c0,c1,c) cimg_for_in2XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) - -#define cimg_for3(bound,i) \ - for (int i = 0, _p1##i = 0, \ - _n1##i = 1>=(bound)?(int)(bound) - 1:1; \ - _n1##i<(int)(bound) || i==--_n1##i; \ - _p1##i = i++, ++_n1##i) -#define cimg_for3X(img,x) cimg_for3((img)._width,x) -#define cimg_for3Y(img,y) cimg_for3((img)._height,y) -#define cimg_for3Z(img,z) cimg_for3((img)._depth,z) -#define cimg_for3C(img,c) cimg_for3((img)._spectrum,c) -#define cimg_for3XY(img,x,y) cimg_for3Y(img,y) cimg_for3X(img,x) -#define cimg_for3XZ(img,x,z) cimg_for3Z(img,z) cimg_for3X(img,x) -#define cimg_for3XC(img,x,c) cimg_for3C(img,c) cimg_for3X(img,x) -#define cimg_for3YZ(img,y,z) cimg_for3Z(img,z) cimg_for3Y(img,y) -#define cimg_for3YC(img,y,c) cimg_for3C(img,c) cimg_for3Y(img,y) -#define cimg_for3ZC(img,z,c) cimg_for3C(img,c) cimg_for3Z(img,z) -#define cimg_for3XYZ(img,x,y,z) cimg_for3Z(img,z) cimg_for3XY(img,x,y) -#define cimg_for3XZC(img,x,z,c) cimg_for3C(img,c) cimg_for3XZ(img,x,z) -#define cimg_for3YZC(img,y,z,c) cimg_for3C(img,c) cimg_for3YZ(img,y,z) -#define cimg_for3XYZC(img,x,y,z,c) cimg_for3C(img,c) cimg_for3XYZ(img,x,y,z) - -#define cimg_for_in3(bound,i0,i1,i) \ - for (int i = (int)(i0)<0?0:(int)(i0), \ - _p1##i = i - 1<0?0:i - 1, \ - _n1##i = i + 1>=(int)(bound)?(int)(bound) - 1:i + 1; \ - i<=(int)(i1) && (_n1##i<(int)(bound) || i==--_n1##i); \ - _p1##i = i++, ++_n1##i) -#define cimg_for_in3X(img,x0,x1,x) cimg_for_in3((img)._width,x0,x1,x) -#define cimg_for_in3Y(img,y0,y1,y) cimg_for_in3((img)._height,y0,y1,y) -#define cimg_for_in3Z(img,z0,z1,z) cimg_for_in3((img)._depth,z0,z1,z) -#define cimg_for_in3C(img,c0,c1,c) cimg_for_in3((img)._spectrum,c0,c1,c) -#define cimg_for_in3XY(img,x0,y0,x1,y1,x,y) cimg_for_in3Y(img,y0,y1,y) cimg_for_in3X(img,x0,x1,x) -#define cimg_for_in3XZ(img,x0,z0,x1,z1,x,z) cimg_for_in3Z(img,z0,z1,z) cimg_for_in3X(img,x0,x1,x) -#define cimg_for_in3XC(img,x0,c0,x1,c1,x,c) cimg_for_in3C(img,c0,c1,c) cimg_for_in3X(img,x0,x1,x) -#define cimg_for_in3YZ(img,y0,z0,y1,z1,y,z) cimg_for_in3Z(img,z0,z1,z) cimg_for_in3Y(img,y0,y1,y) -#define cimg_for_in3YC(img,y0,c0,y1,c1,y,c) cimg_for_in3C(img,c0,c1,c) cimg_for_in3Y(img,y0,y1,y) -#define cimg_for_in3ZC(img,z0,c0,z1,c1,z,c) cimg_for_in3C(img,c0,c1,c) cimg_for_in3Z(img,z0,z1,z) -#define cimg_for_in3XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in3Z(img,z0,z1,z) cimg_for_in3XY(img,x0,y0,x1,y1,x,y) -#define cimg_for_in3XZC(img,x0,z0,c0,x1,y1,c1,x,z,c) cimg_for_in3C(img,c0,c1,c) cimg_for_in3XZ(img,x0,y0,x1,y1,x,z) -#define cimg_for_in3YZC(img,y0,z0,c0,y1,z1,c1,y,z,c) cimg_for_in3C(img,c0,c1,c) cimg_for_in3YZ(img,y0,z0,y1,z1,y,z) -#define cimg_for_in3XYZC(img,x0,y0,z0,c0,x1,y1,z1,c1,x,y,z,c) \ - cimg_for_in3C(img,c0,c1,c) cimg_for_in3XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) - -#define cimg_for4(bound,i) \ - for (int i = 0, _p1##i = 0, _n1##i = 1>=(bound)?(int)(bound) - 1:1, \ - _n2##i = 2>=(bound)?(int)(bound) - 1:2; \ - _n2##i<(int)(bound) || _n1##i==--_n2##i || i==(_n2##i = --_n1##i); \ - _p1##i = i++, ++_n1##i, ++_n2##i) -#define cimg_for4X(img,x) cimg_for4((img)._width,x) -#define cimg_for4Y(img,y) cimg_for4((img)._height,y) -#define cimg_for4Z(img,z) cimg_for4((img)._depth,z) -#define cimg_for4C(img,c) cimg_for4((img)._spectrum,c) -#define cimg_for4XY(img,x,y) cimg_for4Y(img,y) cimg_for4X(img,x) -#define cimg_for4XZ(img,x,z) cimg_for4Z(img,z) cimg_for4X(img,x) -#define cimg_for4XC(img,x,c) cimg_for4C(img,c) cimg_for4X(img,x) -#define cimg_for4YZ(img,y,z) cimg_for4Z(img,z) cimg_for4Y(img,y) -#define cimg_for4YC(img,y,c) cimg_for4C(img,c) cimg_for4Y(img,y) -#define cimg_for4ZC(img,z,c) cimg_for4C(img,c) cimg_for4Z(img,z) -#define cimg_for4XYZ(img,x,y,z) cimg_for4Z(img,z) cimg_for4XY(img,x,y) -#define cimg_for4XZC(img,x,z,c) cimg_for4C(img,c) cimg_for4XZ(img,x,z) -#define cimg_for4YZC(img,y,z,c) cimg_for4C(img,c) cimg_for4YZ(img,y,z) -#define cimg_for4XYZC(img,x,y,z,c) cimg_for4C(img,c) cimg_for4XYZ(img,x,y,z) - -#define cimg_for_in4(bound,i0,i1,i) \ - for (int i = (int)(i0)<0?0:(int)(i0), \ - _p1##i = i - 1<0?0:i - 1, \ - _n1##i = i + 1>=(int)(bound)?(int)(bound) - 1:i + 1, \ - _n2##i = i + 2>=(int)(bound)?(int)(bound) - 1:i + 2; \ - i<=(int)(i1) && (_n2##i<(int)(bound) || _n1##i==--_n2##i || i==(_n2##i = --_n1##i)); \ - _p1##i = i++, ++_n1##i, ++_n2##i) -#define cimg_for_in4X(img,x0,x1,x) cimg_for_in4((img)._width,x0,x1,x) -#define cimg_for_in4Y(img,y0,y1,y) cimg_for_in4((img)._height,y0,y1,y) -#define cimg_for_in4Z(img,z0,z1,z) cimg_for_in4((img)._depth,z0,z1,z) -#define cimg_for_in4C(img,c0,c1,c) cimg_for_in4((img)._spectrum,c0,c1,c) -#define cimg_for_in4XY(img,x0,y0,x1,y1,x,y) cimg_for_in4Y(img,y0,y1,y) cimg_for_in4X(img,x0,x1,x) -#define cimg_for_in4XZ(img,x0,z0,x1,z1,x,z) cimg_for_in4Z(img,z0,z1,z) cimg_for_in4X(img,x0,x1,x) -#define cimg_for_in4XC(img,x0,c0,x1,c1,x,c) cimg_for_in4C(img,c0,c1,c) cimg_for_in4X(img,x0,x1,x) -#define cimg_for_in4YZ(img,y0,z0,y1,z1,y,z) cimg_for_in4Z(img,z0,z1,z) cimg_for_in4Y(img,y0,y1,y) -#define cimg_for_in4YC(img,y0,c0,y1,c1,y,c) cimg_for_in4C(img,c0,c1,c) cimg_for_in4Y(img,y0,y1,y) -#define cimg_for_in4ZC(img,z0,c0,z1,c1,z,c) cimg_for_in4C(img,c0,c1,c) cimg_for_in4Z(img,z0,z1,z) -#define cimg_for_in4XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in4Z(img,z0,z1,z) cimg_for_in4XY(img,x0,y0,x1,y1,x,y) -#define cimg_for_in4XZC(img,x0,z0,c0,x1,y1,c1,x,z,c) cimg_for_in4C(img,c0,c1,c) cimg_for_in4XZ(img,x0,y0,x1,y1,x,z) -#define cimg_for_in4YZC(img,y0,z0,c0,y1,z1,c1,y,z,c) cimg_for_in4C(img,c0,c1,c) cimg_for_in4YZ(img,y0,z0,y1,z1,y,z) -#define cimg_for_in4XYZC(img,x0,y0,z0,c0,x1,y1,z1,c1,x,y,z,c) \ - cimg_for_in4C(img,c0,c1,c) cimg_for_in4XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) - -#define cimg_for5(bound,i) \ - for (int i = 0, _p2##i = 0, _p1##i = 0, \ - _n1##i = 1>=(bound)?(int)(bound) - 1:1, \ - _n2##i = 2>=(bound)?(int)(bound) - 1:2; \ - _n2##i<(int)(bound) || _n1##i==--_n2##i || i==(_n2##i = --_n1##i); \ - _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i) -#define cimg_for5X(img,x) cimg_for5((img)._width,x) -#define cimg_for5Y(img,y) cimg_for5((img)._height,y) -#define cimg_for5Z(img,z) cimg_for5((img)._depth,z) -#define cimg_for5C(img,c) cimg_for5((img)._spectrum,c) -#define cimg_for5XY(img,x,y) cimg_for5Y(img,y) cimg_for5X(img,x) -#define cimg_for5XZ(img,x,z) cimg_for5Z(img,z) cimg_for5X(img,x) -#define cimg_for5XC(img,x,c) cimg_for5C(img,c) cimg_for5X(img,x) -#define cimg_for5YZ(img,y,z) cimg_for5Z(img,z) cimg_for5Y(img,y) -#define cimg_for5YC(img,y,c) cimg_for5C(img,c) cimg_for5Y(img,y) -#define cimg_for5ZC(img,z,c) cimg_for5C(img,c) cimg_for5Z(img,z) -#define cimg_for5XYZ(img,x,y,z) cimg_for5Z(img,z) cimg_for5XY(img,x,y) -#define cimg_for5XZC(img,x,z,c) cimg_for5C(img,c) cimg_for5XZ(img,x,z) -#define cimg_for5YZC(img,y,z,c) cimg_for5C(img,c) cimg_for5YZ(img,y,z) -#define cimg_for5XYZC(img,x,y,z,c) cimg_for5C(img,c) cimg_for5XYZ(img,x,y,z) - -#define cimg_for_in5(bound,i0,i1,i) \ - for (int i = (int)(i0)<0?0:(int)(i0), \ - _p2##i = i - 2<0?0:i - 2, \ - _p1##i = i - 1<0?0:i - 1, \ - _n1##i = i + 1>=(int)(bound)?(int)(bound) - 1:i + 1, \ - _n2##i = i + 2>=(int)(bound)?(int)(bound) - 1:i + 2; \ - i<=(int)(i1) && (_n2##i<(int)(bound) || _n1##i==--_n2##i || i==(_n2##i = --_n1##i)); \ - _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i) -#define cimg_for_in5X(img,x0,x1,x) cimg_for_in5((img)._width,x0,x1,x) -#define cimg_for_in5Y(img,y0,y1,y) cimg_for_in5((img)._height,y0,y1,y) -#define cimg_for_in5Z(img,z0,z1,z) cimg_for_in5((img)._depth,z0,z1,z) -#define cimg_for_in5C(img,c0,c1,c) cimg_for_in5((img)._spectrum,c0,c1,c) -#define cimg_for_in5XY(img,x0,y0,x1,y1,x,y) cimg_for_in5Y(img,y0,y1,y) cimg_for_in5X(img,x0,x1,x) -#define cimg_for_in5XZ(img,x0,z0,x1,z1,x,z) cimg_for_in5Z(img,z0,z1,z) cimg_for_in5X(img,x0,x1,x) -#define cimg_for_in5XC(img,x0,c0,x1,c1,x,c) cimg_for_in5C(img,c0,c1,c) cimg_for_in5X(img,x0,x1,x) -#define cimg_for_in5YZ(img,y0,z0,y1,z1,y,z) cimg_for_in5Z(img,z0,z1,z) cimg_for_in5Y(img,y0,y1,y) -#define cimg_for_in5YC(img,y0,c0,y1,c1,y,c) cimg_for_in5C(img,c0,c1,c) cimg_for_in5Y(img,y0,y1,y) -#define cimg_for_in5ZC(img,z0,c0,z1,c1,z,c) cimg_for_in5C(img,c0,c1,c) cimg_for_in5Z(img,z0,z1,z) -#define cimg_for_in5XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in5Z(img,z0,z1,z) cimg_for_in5XY(img,x0,y0,x1,y1,x,y) -#define cimg_for_in5XZC(img,x0,z0,c0,x1,y1,c1,x,z,c) cimg_for_in5C(img,c0,c1,c) cimg_for_in5XZ(img,x0,y0,x1,y1,x,z) -#define cimg_for_in5YZC(img,y0,z0,c0,y1,z1,c1,y,z,c) cimg_for_in5C(img,c0,c1,c) cimg_for_in5YZ(img,y0,z0,y1,z1,y,z) -#define cimg_for_in5XYZC(img,x0,y0,z0,c0,x1,y1,z1,c1,x,y,z,c) \ - cimg_for_in5C(img,c0,c1,c) cimg_for_in5XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) - -#define cimg_for6(bound,i) \ - for (int i = 0, _p2##i = 0, _p1##i = 0, \ - _n1##i = 1>=(bound)?(int)(bound) - 1:1, \ - _n2##i = 2>=(bound)?(int)(bound) - 1:2, \ - _n3##i = 3>=(bound)?(int)(bound) - 1:3; \ - _n3##i<(int)(bound) || _n2##i==--_n3##i || _n1##i==--_n2##i || i==(_n3##i = _n2##i = --_n1##i); \ - _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i) -#define cimg_for6X(img,x) cimg_for6((img)._width,x) -#define cimg_for6Y(img,y) cimg_for6((img)._height,y) -#define cimg_for6Z(img,z) cimg_for6((img)._depth,z) -#define cimg_for6C(img,c) cimg_for6((img)._spectrum,c) -#define cimg_for6XY(img,x,y) cimg_for6Y(img,y) cimg_for6X(img,x) -#define cimg_for6XZ(img,x,z) cimg_for6Z(img,z) cimg_for6X(img,x) -#define cimg_for6XC(img,x,c) cimg_for6C(img,c) cimg_for6X(img,x) -#define cimg_for6YZ(img,y,z) cimg_for6Z(img,z) cimg_for6Y(img,y) -#define cimg_for6YC(img,y,c) cimg_for6C(img,c) cimg_for6Y(img,y) -#define cimg_for6ZC(img,z,c) cimg_for6C(img,c) cimg_for6Z(img,z) -#define cimg_for6XYZ(img,x,y,z) cimg_for6Z(img,z) cimg_for6XY(img,x,y) -#define cimg_for6XZC(img,x,z,c) cimg_for6C(img,c) cimg_for6XZ(img,x,z) -#define cimg_for6YZC(img,y,z,c) cimg_for6C(img,c) cimg_for6YZ(img,y,z) -#define cimg_for6XYZC(img,x,y,z,c) cimg_for6C(img,c) cimg_for6XYZ(img,x,y,z) - -#define cimg_for_in6(bound,i0,i1,i) \ - for (int i = (int)(i0)<0?0:(int)(i0), \ - _p2##i = i - 2<0?0:i - 2, \ - _p1##i = i - 1<0?0:i - 1, \ - _n1##i = i + 1>=(int)(bound)?(int)(bound) - 1:i + 1, \ - _n2##i = i + 2>=(int)(bound)?(int)(bound) - 1:i + 2, \ - _n3##i = i + 3>=(int)(bound)?(int)(bound) - 1:i + 3; \ - i<=(int)(i1) && \ - (_n3##i<(int)(bound) || _n2##i==--_n3##i || _n1##i==--_n2##i || i==(_n3##i = _n2##i = --_n1##i)); \ - _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i) -#define cimg_for_in6X(img,x0,x1,x) cimg_for_in6((img)._width,x0,x1,x) -#define cimg_for_in6Y(img,y0,y1,y) cimg_for_in6((img)._height,y0,y1,y) -#define cimg_for_in6Z(img,z0,z1,z) cimg_for_in6((img)._depth,z0,z1,z) -#define cimg_for_in6C(img,c0,c1,c) cimg_for_in6((img)._spectrum,c0,c1,c) -#define cimg_for_in6XY(img,x0,y0,x1,y1,x,y) cimg_for_in6Y(img,y0,y1,y) cimg_for_in6X(img,x0,x1,x) -#define cimg_for_in6XZ(img,x0,z0,x1,z1,x,z) cimg_for_in6Z(img,z0,z1,z) cimg_for_in6X(img,x0,x1,x) -#define cimg_for_in6XC(img,x0,c0,x1,c1,x,c) cimg_for_in6C(img,c0,c1,c) cimg_for_in6X(img,x0,x1,x) -#define cimg_for_in6YZ(img,y0,z0,y1,z1,y,z) cimg_for_in6Z(img,z0,z1,z) cimg_for_in6Y(img,y0,y1,y) -#define cimg_for_in6YC(img,y0,c0,y1,c1,y,c) cimg_for_in6C(img,c0,c1,c) cimg_for_in6Y(img,y0,y1,y) -#define cimg_for_in6ZC(img,z0,c0,z1,c1,z,c) cimg_for_in6C(img,c0,c1,c) cimg_for_in6Z(img,z0,z1,z) -#define cimg_for_in6XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in6Z(img,z0,z1,z) cimg_for_in6XY(img,x0,y0,x1,y1,x,y) -#define cimg_for_in6XZC(img,x0,z0,c0,x1,y1,c1,x,z,c) cimg_for_in6C(img,c0,c1,c) cimg_for_in6XZ(img,x0,y0,x1,y1,x,z) -#define cimg_for_in6YZC(img,y0,z0,c0,y1,z1,c1,y,z,c) cimg_for_in6C(img,c0,c1,c) cimg_for_in6YZ(img,y0,z0,y1,z1,y,z) -#define cimg_for_in6XYZC(img,x0,y0,z0,c0,x1,y1,z1,c1,x,y,z,c) \ - cimg_for_in6C(img,c0,c1,c) cimg_for_in6XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) - -#define cimg_for7(bound,i) \ - for (int i = 0, _p3##i = 0, _p2##i = 0, _p1##i = 0, \ - _n1##i = 1>=(bound)?(int)(bound) - 1:1, \ - _n2##i = 2>=(bound)?(int)(bound) - 1:2, \ - _n3##i = 3>=(bound)?(int)(bound) - 1:3; \ - _n3##i<(int)(bound) || _n2##i==--_n3##i || _n1##i==--_n2##i || i==(_n3##i = _n2##i = --_n1##i); \ - _p3##i = _p2##i, _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i) -#define cimg_for7X(img,x) cimg_for7((img)._width,x) -#define cimg_for7Y(img,y) cimg_for7((img)._height,y) -#define cimg_for7Z(img,z) cimg_for7((img)._depth,z) -#define cimg_for7C(img,c) cimg_for7((img)._spectrum,c) -#define cimg_for7XY(img,x,y) cimg_for7Y(img,y) cimg_for7X(img,x) -#define cimg_for7XZ(img,x,z) cimg_for7Z(img,z) cimg_for7X(img,x) -#define cimg_for7XC(img,x,c) cimg_for7C(img,c) cimg_for7X(img,x) -#define cimg_for7YZ(img,y,z) cimg_for7Z(img,z) cimg_for7Y(img,y) -#define cimg_for7YC(img,y,c) cimg_for7C(img,c) cimg_for7Y(img,y) -#define cimg_for7ZC(img,z,c) cimg_for7C(img,c) cimg_for7Z(img,z) -#define cimg_for7XYZ(img,x,y,z) cimg_for7Z(img,z) cimg_for7XY(img,x,y) -#define cimg_for7XZC(img,x,z,c) cimg_for7C(img,c) cimg_for7XZ(img,x,z) -#define cimg_for7YZC(img,y,z,c) cimg_for7C(img,c) cimg_for7YZ(img,y,z) -#define cimg_for7XYZC(img,x,y,z,c) cimg_for7C(img,c) cimg_for7XYZ(img,x,y,z) - -#define cimg_for_in7(bound,i0,i1,i) \ - for (int i = (int)(i0)<0?0:(int)(i0), \ - _p3##i = i - 3<0?0:i - 3, \ - _p2##i = i - 2<0?0:i - 2, \ - _p1##i = i - 1<0?0:i - 1, \ - _n1##i = i + 1>=(int)(bound)?(int)(bound) - 1:i + 1, \ - _n2##i = i + 2>=(int)(bound)?(int)(bound) - 1:i + 2, \ - _n3##i = i + 3>=(int)(bound)?(int)(bound) - 1:i + 3; \ - i<=(int)(i1) && \ - (_n3##i<(int)(bound) || _n2##i==--_n3##i || _n1##i==--_n2##i || i==(_n3##i = _n2##i = --_n1##i)); \ - _p3##i = _p2##i, _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i) -#define cimg_for_in7X(img,x0,x1,x) cimg_for_in7((img)._width,x0,x1,x) -#define cimg_for_in7Y(img,y0,y1,y) cimg_for_in7((img)._height,y0,y1,y) -#define cimg_for_in7Z(img,z0,z1,z) cimg_for_in7((img)._depth,z0,z1,z) -#define cimg_for_in7C(img,c0,c1,c) cimg_for_in7((img)._spectrum,c0,c1,c) -#define cimg_for_in7XY(img,x0,y0,x1,y1,x,y) cimg_for_in7Y(img,y0,y1,y) cimg_for_in7X(img,x0,x1,x) -#define cimg_for_in7XZ(img,x0,z0,x1,z1,x,z) cimg_for_in7Z(img,z0,z1,z) cimg_for_in7X(img,x0,x1,x) -#define cimg_for_in7XC(img,x0,c0,x1,c1,x,c) cimg_for_in7C(img,c0,c1,c) cimg_for_in7X(img,x0,x1,x) -#define cimg_for_in7YZ(img,y0,z0,y1,z1,y,z) cimg_for_in7Z(img,z0,z1,z) cimg_for_in7Y(img,y0,y1,y) -#define cimg_for_in7YC(img,y0,c0,y1,c1,y,c) cimg_for_in7C(img,c0,c1,c) cimg_for_in7Y(img,y0,y1,y) -#define cimg_for_in7ZC(img,z0,c0,z1,c1,z,c) cimg_for_in7C(img,c0,c1,c) cimg_for_in7Z(img,z0,z1,z) -#define cimg_for_in7XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in7Z(img,z0,z1,z) cimg_for_in7XY(img,x0,y0,x1,y1,x,y) -#define cimg_for_in7XZC(img,x0,z0,c0,x1,y1,c1,x,z,c) cimg_for_in7C(img,c0,c1,c) cimg_for_in7XZ(img,x0,y0,x1,y1,x,z) -#define cimg_for_in7YZC(img,y0,z0,c0,y1,z1,c1,y,z,c) cimg_for_in7C(img,c0,c1,c) cimg_for_in7YZ(img,y0,z0,y1,z1,y,z) -#define cimg_for_in7XYZC(img,x0,y0,z0,c0,x1,y1,z1,c1,x,y,z,c) \ - cimg_for_in7C(img,c0,c1,c) cimg_for_in7XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) - -#define cimg_for8(bound,i) \ - for (int i = 0, _p3##i = 0, _p2##i = 0, _p1##i = 0, \ - _n1##i = 1>=(bound)?(int)(bound) - 1:1, \ - _n2##i = 2>=(bound)?(int)(bound) - 1:2, \ - _n3##i = 3>=(bound)?(int)(bound) - 1:3, \ - _n4##i = 4>=(bound)?(int)(bound) - 1:4; \ - _n4##i<(int)(bound) || _n3##i==--_n4##i || _n2##i==--_n3##i || _n1##i==--_n2##i || \ - i==(_n4##i = _n3##i = _n2##i = --_n1##i); \ - _p3##i = _p2##i, _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i, ++_n4##i) -#define cimg_for8X(img,x) cimg_for8((img)._width,x) -#define cimg_for8Y(img,y) cimg_for8((img)._height,y) -#define cimg_for8Z(img,z) cimg_for8((img)._depth,z) -#define cimg_for8C(img,c) cimg_for8((img)._spectrum,c) -#define cimg_for8XY(img,x,y) cimg_for8Y(img,y) cimg_for8X(img,x) -#define cimg_for8XZ(img,x,z) cimg_for8Z(img,z) cimg_for8X(img,x) -#define cimg_for8XC(img,x,c) cimg_for8C(img,c) cimg_for8X(img,x) -#define cimg_for8YZ(img,y,z) cimg_for8Z(img,z) cimg_for8Y(img,y) -#define cimg_for8YC(img,y,c) cimg_for8C(img,c) cimg_for8Y(img,y) -#define cimg_for8ZC(img,z,c) cimg_for8C(img,c) cimg_for8Z(img,z) -#define cimg_for8XYZ(img,x,y,z) cimg_for8Z(img,z) cimg_for8XY(img,x,y) -#define cimg_for8XZC(img,x,z,c) cimg_for8C(img,c) cimg_for8XZ(img,x,z) -#define cimg_for8YZC(img,y,z,c) cimg_for8C(img,c) cimg_for8YZ(img,y,z) -#define cimg_for8XYZC(img,x,y,z,c) cimg_for8C(img,c) cimg_for8XYZ(img,x,y,z) - -#define cimg_for_in8(bound,i0,i1,i) \ - for (int i = (int)(i0)<0?0:(int)(i0), \ - _p3##i = i - 3<0?0:i - 3, \ - _p2##i = i - 2<0?0:i - 2, \ - _p1##i = i - 1<0?0:i - 1, \ - _n1##i = i + 1>=(int)(bound)?(int)(bound) - 1:i + 1, \ - _n2##i = i + 2>=(int)(bound)?(int)(bound) - 1:i + 2, \ - _n3##i = i + 3>=(int)(bound)?(int)(bound) - 1:i + 3, \ - _n4##i = i + 4>=(int)(bound)?(int)(bound) - 1:i + 4; \ - i<=(int)(i1) && (_n4##i<(int)(bound) || _n3##i==--_n4##i || _n2##i==--_n3##i || _n1##i==--_n2##i || \ - i==(_n4##i = _n3##i = _n2##i = --_n1##i)); \ - _p3##i = _p2##i, _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i, ++_n4##i) -#define cimg_for_in8X(img,x0,x1,x) cimg_for_in8((img)._width,x0,x1,x) -#define cimg_for_in8Y(img,y0,y1,y) cimg_for_in8((img)._height,y0,y1,y) -#define cimg_for_in8Z(img,z0,z1,z) cimg_for_in8((img)._depth,z0,z1,z) -#define cimg_for_in8C(img,c0,c1,c) cimg_for_in8((img)._spectrum,c0,c1,c) -#define cimg_for_in8XY(img,x0,y0,x1,y1,x,y) cimg_for_in8Y(img,y0,y1,y) cimg_for_in8X(img,x0,x1,x) -#define cimg_for_in8XZ(img,x0,z0,x1,z1,x,z) cimg_for_in8Z(img,z0,z1,z) cimg_for_in8X(img,x0,x1,x) -#define cimg_for_in8XC(img,x0,c0,x1,c1,x,c) cimg_for_in8C(img,c0,c1,c) cimg_for_in8X(img,x0,x1,x) -#define cimg_for_in8YZ(img,y0,z0,y1,z1,y,z) cimg_for_in8Z(img,z0,z1,z) cimg_for_in8Y(img,y0,y1,y) -#define cimg_for_in8YC(img,y0,c0,y1,c1,y,c) cimg_for_in8C(img,c0,c1,c) cimg_for_in8Y(img,y0,y1,y) -#define cimg_for_in8ZC(img,z0,c0,z1,c1,z,c) cimg_for_in8C(img,c0,c1,c) cimg_for_in8Z(img,z0,z1,z) -#define cimg_for_in8XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in8Z(img,z0,z1,z) cimg_for_in8XY(img,x0,y0,x1,y1,x,y) -#define cimg_for_in8XZC(img,x0,z0,c0,x1,y1,c1,x,z,c) cimg_for_in8C(img,c0,c1,c) cimg_for_in8XZ(img,x0,y0,x1,y1,x,z) -#define cimg_for_in8YZC(img,y0,z0,c0,y1,z1,c1,y,z,c) cimg_for_in8C(img,c0,c1,c) cimg_for_in8YZ(img,y0,z0,y1,z1,y,z) -#define cimg_for_in8XYZC(img,x0,y0,z0,c0,x1,y1,z1,c1,x,y,z,c) \ - cimg_for_in8C(img,c0,c1,c) cimg_for_in8XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) - -#define cimg_for9(bound,i) \ - for (int i = 0, _p4##i = 0, _p3##i = 0, _p2##i = 0, _p1##i = 0, \ - _n1##i = 1>=(int)(bound)?(int)(bound) - 1:1, \ - _n2##i = 2>=(int)(bound)?(int)(bound) - 1:2, \ - _n3##i = 3>=(int)(bound)?(int)(bound) - 1:3, \ - _n4##i = 4>=(int)(bound)?(int)(bound) - 1:4; \ - _n4##i<(int)(bound) || _n3##i==--_n4##i || _n2##i==--_n3##i || _n1##i==--_n2##i || \ - i==(_n4##i = _n3##i = _n2##i = --_n1##i); \ - _p4##i = _p3##i, _p3##i = _p2##i, _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i, ++_n4##i) -#define cimg_for9X(img,x) cimg_for9((img)._width,x) -#define cimg_for9Y(img,y) cimg_for9((img)._height,y) -#define cimg_for9Z(img,z) cimg_for9((img)._depth,z) -#define cimg_for9C(img,c) cimg_for9((img)._spectrum,c) -#define cimg_for9XY(img,x,y) cimg_for9Y(img,y) cimg_for9X(img,x) -#define cimg_for9XZ(img,x,z) cimg_for9Z(img,z) cimg_for9X(img,x) -#define cimg_for9XC(img,x,c) cimg_for9C(img,c) cimg_for9X(img,x) -#define cimg_for9YZ(img,y,z) cimg_for9Z(img,z) cimg_for9Y(img,y) -#define cimg_for9YC(img,y,c) cimg_for9C(img,c) cimg_for9Y(img,y) -#define cimg_for9ZC(img,z,c) cimg_for9C(img,c) cimg_for9Z(img,z) -#define cimg_for9XYZ(img,x,y,z) cimg_for9Z(img,z) cimg_for9XY(img,x,y) -#define cimg_for9XZC(img,x,z,c) cimg_for9C(img,c) cimg_for9XZ(img,x,z) -#define cimg_for9YZC(img,y,z,c) cimg_for9C(img,c) cimg_for9YZ(img,y,z) -#define cimg_for9XYZC(img,x,y,z,c) cimg_for9C(img,c) cimg_for9XYZ(img,x,y,z) - -#define cimg_for_in9(bound,i0,i1,i) \ - for (int i = (int)(i0)<0?0:(int)(i0), \ - _p4##i = i - 4<0?0:i - 4, \ - _p3##i = i - 3<0?0:i - 3, \ - _p2##i = i - 2<0?0:i - 2, \ - _p1##i = i - 1<0?0:i - 1, \ - _n1##i = i + 1>=(int)(bound)?(int)(bound) - 1:i + 1, \ - _n2##i = i + 2>=(int)(bound)?(int)(bound) - 1:i + 2, \ - _n3##i = i + 3>=(int)(bound)?(int)(bound) - 1:i + 3, \ - _n4##i = i + 4>=(int)(bound)?(int)(bound) - 1:i + 4; \ - i<=(int)(i1) && (_n4##i<(int)(bound) || _n3##i==--_n4##i || _n2##i==--_n3##i || _n1##i==--_n2##i || \ - i==(_n4##i = _n3##i = _n2##i = --_n1##i)); \ - _p4##i = _p3##i, _p3##i = _p2##i, _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i, ++_n4##i) -#define cimg_for_in9X(img,x0,x1,x) cimg_for_in9((img)._width,x0,x1,x) -#define cimg_for_in9Y(img,y0,y1,y) cimg_for_in9((img)._height,y0,y1,y) -#define cimg_for_in9Z(img,z0,z1,z) cimg_for_in9((img)._depth,z0,z1,z) -#define cimg_for_in9C(img,c0,c1,c) cimg_for_in9((img)._spectrum,c0,c1,c) -#define cimg_for_in9XY(img,x0,y0,x1,y1,x,y) cimg_for_in9Y(img,y0,y1,y) cimg_for_in9X(img,x0,x1,x) -#define cimg_for_in9XZ(img,x0,z0,x1,z1,x,z) cimg_for_in9Z(img,z0,z1,z) cimg_for_in9X(img,x0,x1,x) -#define cimg_for_in9XC(img,x0,c0,x1,c1,x,c) cimg_for_in9C(img,c0,c1,c) cimg_for_in9X(img,x0,x1,x) -#define cimg_for_in9YZ(img,y0,z0,y1,z1,y,z) cimg_for_in9Z(img,z0,z1,z) cimg_for_in9Y(img,y0,y1,y) -#define cimg_for_in9YC(img,y0,c0,y1,c1,y,c) cimg_for_in9C(img,c0,c1,c) cimg_for_in9Y(img,y0,y1,y) -#define cimg_for_in9ZC(img,z0,c0,z1,c1,z,c) cimg_for_in9C(img,c0,c1,c) cimg_for_in9Z(img,z0,z1,z) -#define cimg_for_in9XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in9Z(img,z0,z1,z) cimg_for_in9XY(img,x0,y0,x1,y1,x,y) -#define cimg_for_in9XZC(img,x0,z0,c0,x1,y1,c1,x,z,c) cimg_for_in9C(img,c0,c1,c) cimg_for_in9XZ(img,x0,y0,x1,y1,x,z) -#define cimg_for_in9YZC(img,y0,z0,c0,y1,z1,c1,y,z,c) cimg_for_in9C(img,c0,c1,c) cimg_for_in9YZ(img,y0,z0,y1,z1,y,z) -#define cimg_for_in9XYZC(img,x0,y0,z0,c0,x1,y1,z1,c1,x,y,z,c) \ - cimg_for_in9C(img,c0,c1,c) cimg_for_in9XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) - -#define cimg_for2x2(img,x,y,z,c,I,T) \ - cimg_for2((img)._height,y) for (int x = 0, \ - _n1##x = (int)( \ - (I[0] = (T)(img)(0,y,z,c)), \ - (I[2] = (T)(img)(0,_n1##y,z,c)), \ - 1>=(img)._width?(img).width() - 1:1); \ - (_n1##x<(img).width() && ( \ - (I[1] = (T)(img)(_n1##x,y,z,c)), \ - (I[3] = (T)(img)(_n1##x,_n1##y,z,c)),1)) || \ - x==--_n1##x; \ - I[0] = I[1], \ - I[2] = I[3], \ - ++x, ++_n1##x) - -#define cimg_for_in2x2(img,x0,y0,x1,y1,x,y,z,c,I,T) \ - cimg_for_in2((img)._height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ - _n1##x = (int)( \ - (I[0] = (T)(img)(x,y,z,c)), \ - (I[2] = (T)(img)(x,_n1##y,z,c)), \ - x + 1>=(int)(img)._width?(img).width() - 1:x + 1); \ - x<=(int)(x1) && ((_n1##x<(img).width() && ( \ - (I[1] = (T)(img)(_n1##x,y,z,c)), \ - (I[3] = (T)(img)(_n1##x,_n1##y,z,c)),1)) || \ - x==--_n1##x); \ - I[0] = I[1], \ - I[2] = I[3], \ - ++x, ++_n1##x) - -#define cimg_for3x3(img,x,y,z,c,I,T) \ - cimg_for3((img)._height,y) for (int x = 0, \ - _p1##x = 0, \ - _n1##x = (int)( \ - (I[0] = I[1] = (T)(img)(_p1##x,_p1##y,z,c)), \ - (I[3] = I[4] = (T)(img)(0,y,z,c)), \ - (I[6] = I[7] = (T)(img)(0,_n1##y,z,c)), \ - 1>=(img)._width?(img).width() - 1:1); \ - (_n1##x<(img).width() && ( \ - (I[2] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[5] = (T)(img)(_n1##x,y,z,c)), \ - (I[8] = (T)(img)(_n1##x,_n1##y,z,c)),1)) || \ - x==--_n1##x; \ - I[0] = I[1], I[1] = I[2], \ - I[3] = I[4], I[4] = I[5], \ - I[6] = I[7], I[7] = I[8], \ - _p1##x = x++, ++_n1##x) - -#define cimg_for_in3x3(img,x0,y0,x1,y1,x,y,z,c,I,T) \ - cimg_for_in3((img)._height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ - _p1##x = x - 1<0?0:x - 1, \ - _n1##x = (int)( \ - (I[0] = (T)(img)(_p1##x,_p1##y,z,c)), \ - (I[3] = (T)(img)(_p1##x,y,z,c)), \ - (I[6] = (T)(img)(_p1##x,_n1##y,z,c)), \ - (I[1] = (T)(img)(x,_p1##y,z,c)), \ - (I[4] = (T)(img)(x,y,z,c)), \ - (I[7] = (T)(img)(x,_n1##y,z,c)), \ - x + 1>=(int)(img)._width?(img).width() - 1:x + 1); \ - x<=(int)(x1) && ((_n1##x<(img).width() && ( \ - (I[2] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[5] = (T)(img)(_n1##x,y,z,c)), \ - (I[8] = (T)(img)(_n1##x,_n1##y,z,c)),1)) || \ - x==--_n1##x); \ - I[0] = I[1], I[1] = I[2], \ - I[3] = I[4], I[4] = I[5], \ - I[6] = I[7], I[7] = I[8], \ - _p1##x = x++, ++_n1##x) - -#define cimg_for4x4(img,x,y,z,c,I,T) \ - cimg_for4((img)._height,y) for (int x = 0, \ - _p1##x = 0, \ - _n1##x = 1>=(img)._width?(img).width() - 1:1, \ - _n2##x = (int)( \ - (I[0] = I[1] = (T)(img)(_p1##x,_p1##y,z,c)), \ - (I[4] = I[5] = (T)(img)(0,y,z,c)), \ - (I[8] = I[9] = (T)(img)(0,_n1##y,z,c)), \ - (I[12] = I[13] = (T)(img)(0,_n2##y,z,c)), \ - (I[2] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[6] = (T)(img)(_n1##x,y,z,c)), \ - (I[10] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[14] = (T)(img)(_n1##x,_n2##y,z,c)), \ - 2>=(img)._width?(img).width() - 1:2); \ - (_n2##x<(img).width() && ( \ - (I[3] = (T)(img)(_n2##x,_p1##y,z,c)), \ - (I[7] = (T)(img)(_n2##x,y,z,c)), \ - (I[11] = (T)(img)(_n2##x,_n1##y,z,c)), \ - (I[15] = (T)(img)(_n2##x,_n2##y,z,c)),1)) || \ - _n1##x==--_n2##x || x==(_n2##x = --_n1##x); \ - I[0] = I[1], I[1] = I[2], I[2] = I[3], \ - I[4] = I[5], I[5] = I[6], I[6] = I[7], \ - I[8] = I[9], I[9] = I[10], I[10] = I[11], \ - I[12] = I[13], I[13] = I[14], I[14] = I[15], \ - _p1##x = x++, ++_n1##x, ++_n2##x) - -#define cimg_for_in4x4(img,x0,y0,x1,y1,x,y,z,c,I,T) \ - cimg_for_in4((img)._height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ - _p1##x = x - 1<0?0:x - 1, \ - _n1##x = x + 1>=(int)(img)._width?(img).width() - 1:x + 1, \ - _n2##x = (int)( \ - (I[0] = (T)(img)(_p1##x,_p1##y,z,c)), \ - (I[4] = (T)(img)(_p1##x,y,z,c)), \ - (I[8] = (T)(img)(_p1##x,_n1##y,z,c)), \ - (I[12] = (T)(img)(_p1##x,_n2##y,z,c)), \ - (I[1] = (T)(img)(x,_p1##y,z,c)), \ - (I[5] = (T)(img)(x,y,z,c)), \ - (I[9] = (T)(img)(x,_n1##y,z,c)), \ - (I[13] = (T)(img)(x,_n2##y,z,c)), \ - (I[2] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[6] = (T)(img)(_n1##x,y,z,c)), \ - (I[10] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[14] = (T)(img)(_n1##x,_n2##y,z,c)), \ - x + 2>=(int)(img)._width?(img).width() - 1:x + 2); \ - x<=(int)(x1) && ((_n2##x<(img).width() && ( \ - (I[3] = (T)(img)(_n2##x,_p1##y,z,c)), \ - (I[7] = (T)(img)(_n2##x,y,z,c)), \ - (I[11] = (T)(img)(_n2##x,_n1##y,z,c)), \ - (I[15] = (T)(img)(_n2##x,_n2##y,z,c)),1)) || \ - _n1##x==--_n2##x || x==(_n2##x = --_n1##x)); \ - I[0] = I[1], I[1] = I[2], I[2] = I[3], \ - I[4] = I[5], I[5] = I[6], I[6] = I[7], \ - I[8] = I[9], I[9] = I[10], I[10] = I[11], \ - I[12] = I[13], I[13] = I[14], I[14] = I[15], \ - _p1##x = x++, ++_n1##x, ++_n2##x) - -#define cimg_for5x5(img,x,y,z,c,I,T) \ - cimg_for5((img)._height,y) for (int x = 0, \ - _p2##x = 0, _p1##x = 0, \ - _n1##x = 1>=(img)._width?(img).width() - 1:1, \ - _n2##x = (int)( \ - (I[0] = I[1] = I[2] = (T)(img)(_p2##x,_p2##y,z,c)), \ - (I[5] = I[6] = I[7] = (T)(img)(0,_p1##y,z,c)), \ - (I[10] = I[11] = I[12] = (T)(img)(0,y,z,c)), \ - (I[15] = I[16] = I[17] = (T)(img)(0,_n1##y,z,c)), \ - (I[20] = I[21] = I[22] = (T)(img)(0,_n2##y,z,c)), \ - (I[3] = (T)(img)(_n1##x,_p2##y,z,c)), \ - (I[8] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[13] = (T)(img)(_n1##x,y,z,c)), \ - (I[18] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[23] = (T)(img)(_n1##x,_n2##y,z,c)), \ - 2>=(img)._width?(img).width() - 1:2); \ - (_n2##x<(img).width() && ( \ - (I[4] = (T)(img)(_n2##x,_p2##y,z,c)), \ - (I[9] = (T)(img)(_n2##x,_p1##y,z,c)), \ - (I[14] = (T)(img)(_n2##x,y,z,c)), \ - (I[19] = (T)(img)(_n2##x,_n1##y,z,c)), \ - (I[24] = (T)(img)(_n2##x,_n2##y,z,c)),1)) || \ - _n1##x==--_n2##x || x==(_n2##x = --_n1##x); \ - I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], \ - I[5] = I[6], I[6] = I[7], I[7] = I[8], I[8] = I[9], \ - I[10] = I[11], I[11] = I[12], I[12] = I[13], I[13] = I[14], \ - I[15] = I[16], I[16] = I[17], I[17] = I[18], I[18] = I[19], \ - I[20] = I[21], I[21] = I[22], I[22] = I[23], I[23] = I[24], \ - _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x) - -#define cimg_for_in5x5(img,x0,y0,x1,y1,x,y,z,c,I,T) \ - cimg_for_in5((img)._height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ - _p2##x = x - 2<0?0:x - 2, \ - _p1##x = x - 1<0?0:x - 1, \ - _n1##x = x + 1>=(int)(img)._width?(img).width() - 1:x + 1, \ - _n2##x = (int)( \ - (I[0] = (T)(img)(_p2##x,_p2##y,z,c)), \ - (I[5] = (T)(img)(_p2##x,_p1##y,z,c)), \ - (I[10] = (T)(img)(_p2##x,y,z,c)), \ - (I[15] = (T)(img)(_p2##x,_n1##y,z,c)), \ - (I[20] = (T)(img)(_p2##x,_n2##y,z,c)), \ - (I[1] = (T)(img)(_p1##x,_p2##y,z,c)), \ - (I[6] = (T)(img)(_p1##x,_p1##y,z,c)), \ - (I[11] = (T)(img)(_p1##x,y,z,c)), \ - (I[16] = (T)(img)(_p1##x,_n1##y,z,c)), \ - (I[21] = (T)(img)(_p1##x,_n2##y,z,c)), \ - (I[2] = (T)(img)(x,_p2##y,z,c)), \ - (I[7] = (T)(img)(x,_p1##y,z,c)), \ - (I[12] = (T)(img)(x,y,z,c)), \ - (I[17] = (T)(img)(x,_n1##y,z,c)), \ - (I[22] = (T)(img)(x,_n2##y,z,c)), \ - (I[3] = (T)(img)(_n1##x,_p2##y,z,c)), \ - (I[8] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[13] = (T)(img)(_n1##x,y,z,c)), \ - (I[18] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[23] = (T)(img)(_n1##x,_n2##y,z,c)), \ - x + 2>=(int)(img)._width?(img).width() - 1:x + 2); \ - x<=(int)(x1) && ((_n2##x<(img).width() && ( \ - (I[4] = (T)(img)(_n2##x,_p2##y,z,c)), \ - (I[9] = (T)(img)(_n2##x,_p1##y,z,c)), \ - (I[14] = (T)(img)(_n2##x,y,z,c)), \ - (I[19] = (T)(img)(_n2##x,_n1##y,z,c)), \ - (I[24] = (T)(img)(_n2##x,_n2##y,z,c)),1)) || \ - _n1##x==--_n2##x || x==(_n2##x = --_n1##x)); \ - I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], \ - I[5] = I[6], I[6] = I[7], I[7] = I[8], I[8] = I[9], \ - I[10] = I[11], I[11] = I[12], I[12] = I[13], I[13] = I[14], \ - I[15] = I[16], I[16] = I[17], I[17] = I[18], I[18] = I[19], \ - I[20] = I[21], I[21] = I[22], I[22] = I[23], I[23] = I[24], \ - _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x) - -#define cimg_for6x6(img,x,y,z,c,I,T) \ - cimg_for6((img)._height,y) for (int x = 0, \ - _p2##x = 0, _p1##x = 0, \ - _n1##x = 1>=(img)._width?(img).width() - 1:1, \ - _n2##x = 2>=(img)._width?(img).width() - 1:2, \ - _n3##x = (int)( \ - (I[0] = I[1] = I[2] = (T)(img)(_p2##x,_p2##y,z,c)), \ - (I[6] = I[7] = I[8] = (T)(img)(0,_p1##y,z,c)), \ - (I[12] = I[13] = I[14] = (T)(img)(0,y,z,c)), \ - (I[18] = I[19] = I[20] = (T)(img)(0,_n1##y,z,c)), \ - (I[24] = I[25] = I[26] = (T)(img)(0,_n2##y,z,c)), \ - (I[30] = I[31] = I[32] = (T)(img)(0,_n3##y,z,c)), \ - (I[3] = (T)(img)(_n1##x,_p2##y,z,c)), \ - (I[9] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[15] = (T)(img)(_n1##x,y,z,c)), \ - (I[21] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[27] = (T)(img)(_n1##x,_n2##y,z,c)), \ - (I[33] = (T)(img)(_n1##x,_n3##y,z,c)), \ - (I[4] = (T)(img)(_n2##x,_p2##y,z,c)), \ - (I[10] = (T)(img)(_n2##x,_p1##y,z,c)), \ - (I[16] = (T)(img)(_n2##x,y,z,c)), \ - (I[22] = (T)(img)(_n2##x,_n1##y,z,c)), \ - (I[28] = (T)(img)(_n2##x,_n2##y,z,c)), \ - (I[34] = (T)(img)(_n2##x,_n3##y,z,c)), \ - 3>=(img)._width?(img).width() - 1:3); \ - (_n3##x<(img).width() && ( \ - (I[5] = (T)(img)(_n3##x,_p2##y,z,c)), \ - (I[11] = (T)(img)(_n3##x,_p1##y,z,c)), \ - (I[17] = (T)(img)(_n3##x,y,z,c)), \ - (I[23] = (T)(img)(_n3##x,_n1##y,z,c)), \ - (I[29] = (T)(img)(_n3##x,_n2##y,z,c)), \ - (I[35] = (T)(img)(_n3##x,_n3##y,z,c)),1)) || \ - _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n3## x = _n2##x = --_n1##x); \ - I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], \ - I[6] = I[7], I[7] = I[8], I[8] = I[9], I[9] = I[10], I[10] = I[11], \ - I[12] = I[13], I[13] = I[14], I[14] = I[15], I[15] = I[16], I[16] = I[17], \ - I[18] = I[19], I[19] = I[20], I[20] = I[21], I[21] = I[22], I[22] = I[23], \ - I[24] = I[25], I[25] = I[26], I[26] = I[27], I[27] = I[28], I[28] = I[29], \ - I[30] = I[31], I[31] = I[32], I[32] = I[33], I[33] = I[34], I[34] = I[35], \ - _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x) - -#define cimg_for_in6x6(img,x0,y0,x1,y1,x,y,z,c,I,T) \ - cimg_for_in6((img)._height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)x0, \ - _p2##x = x - 2<0?0:x - 2, \ - _p1##x = x - 1<0?0:x - 1, \ - _n1##x = x + 1>=(int)(img)._width?(img).width() - 1:x + 1, \ - _n2##x = x + 2>=(int)(img)._width?(img).width() - 1:x + 2, \ - _n3##x = (int)( \ - (I[0] = (T)(img)(_p2##x,_p2##y,z,c)), \ - (I[6] = (T)(img)(_p2##x,_p1##y,z,c)), \ - (I[12] = (T)(img)(_p2##x,y,z,c)), \ - (I[18] = (T)(img)(_p2##x,_n1##y,z,c)), \ - (I[24] = (T)(img)(_p2##x,_n2##y,z,c)), \ - (I[30] = (T)(img)(_p2##x,_n3##y,z,c)), \ - (I[1] = (T)(img)(_p1##x,_p2##y,z,c)), \ - (I[7] = (T)(img)(_p1##x,_p1##y,z,c)), \ - (I[13] = (T)(img)(_p1##x,y,z,c)), \ - (I[19] = (T)(img)(_p1##x,_n1##y,z,c)), \ - (I[25] = (T)(img)(_p1##x,_n2##y,z,c)), \ - (I[31] = (T)(img)(_p1##x,_n3##y,z,c)), \ - (I[2] = (T)(img)(x,_p2##y,z,c)), \ - (I[8] = (T)(img)(x,_p1##y,z,c)), \ - (I[14] = (T)(img)(x,y,z,c)), \ - (I[20] = (T)(img)(x,_n1##y,z,c)), \ - (I[26] = (T)(img)(x,_n2##y,z,c)), \ - (I[32] = (T)(img)(x,_n3##y,z,c)), \ - (I[3] = (T)(img)(_n1##x,_p2##y,z,c)), \ - (I[9] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[15] = (T)(img)(_n1##x,y,z,c)), \ - (I[21] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[27] = (T)(img)(_n1##x,_n2##y,z,c)), \ - (I[33] = (T)(img)(_n1##x,_n3##y,z,c)), \ - (I[4] = (T)(img)(_n2##x,_p2##y,z,c)), \ - (I[10] = (T)(img)(_n2##x,_p1##y,z,c)), \ - (I[16] = (T)(img)(_n2##x,y,z,c)), \ - (I[22] = (T)(img)(_n2##x,_n1##y,z,c)), \ - (I[28] = (T)(img)(_n2##x,_n2##y,z,c)), \ - (I[34] = (T)(img)(_n2##x,_n3##y,z,c)), \ - x + 3>=(int)(img)._width?(img).width() - 1:x + 3); \ - x<=(int)(x1) && ((_n3##x<(img).width() && ( \ - (I[5] = (T)(img)(_n3##x,_p2##y,z,c)), \ - (I[11] = (T)(img)(_n3##x,_p1##y,z,c)), \ - (I[17] = (T)(img)(_n3##x,y,z,c)), \ - (I[23] = (T)(img)(_n3##x,_n1##y,z,c)), \ - (I[29] = (T)(img)(_n3##x,_n2##y,z,c)), \ - (I[35] = (T)(img)(_n3##x,_n3##y,z,c)),1)) || \ - _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n3## x = _n2##x = --_n1##x)); \ - I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], \ - I[6] = I[7], I[7] = I[8], I[8] = I[9], I[9] = I[10], I[10] = I[11], \ - I[12] = I[13], I[13] = I[14], I[14] = I[15], I[15] = I[16], I[16] = I[17], \ - I[18] = I[19], I[19] = I[20], I[20] = I[21], I[21] = I[22], I[22] = I[23], \ - I[24] = I[25], I[25] = I[26], I[26] = I[27], I[27] = I[28], I[28] = I[29], \ - I[30] = I[31], I[31] = I[32], I[32] = I[33], I[33] = I[34], I[34] = I[35], \ - _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x) - -#define cimg_for7x7(img,x,y,z,c,I,T) \ - cimg_for7((img)._height,y) for (int x = 0, \ - _p3##x = 0, _p2##x = 0, _p1##x = 0, \ - _n1##x = 1>=(img)._width?(img).width() - 1:1, \ - _n2##x = 2>=(img)._width?(img).width() - 1:2, \ - _n3##x = (int)( \ - (I[0] = I[1] = I[2] = I[3] = (T)(img)(_p3##x,_p3##y,z,c)), \ - (I[7] = I[8] = I[9] = I[10] = (T)(img)(0,_p2##y,z,c)), \ - (I[14] = I[15] = I[16] = I[17] = (T)(img)(0,_p1##y,z,c)), \ - (I[21] = I[22] = I[23] = I[24] = (T)(img)(0,y,z,c)), \ - (I[28] = I[29] = I[30] = I[31] = (T)(img)(0,_n1##y,z,c)), \ - (I[35] = I[36] = I[37] = I[38] = (T)(img)(0,_n2##y,z,c)), \ - (I[42] = I[43] = I[44] = I[45] = (T)(img)(0,_n3##y,z,c)), \ - (I[4] = (T)(img)(_n1##x,_p3##y,z,c)), \ - (I[11] = (T)(img)(_n1##x,_p2##y,z,c)), \ - (I[18] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[25] = (T)(img)(_n1##x,y,z,c)), \ - (I[32] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[39] = (T)(img)(_n1##x,_n2##y,z,c)), \ - (I[46] = (T)(img)(_n1##x,_n3##y,z,c)), \ - (I[5] = (T)(img)(_n2##x,_p3##y,z,c)), \ - (I[12] = (T)(img)(_n2##x,_p2##y,z,c)), \ - (I[19] = (T)(img)(_n2##x,_p1##y,z,c)), \ - (I[26] = (T)(img)(_n2##x,y,z,c)), \ - (I[33] = (T)(img)(_n2##x,_n1##y,z,c)), \ - (I[40] = (T)(img)(_n2##x,_n2##y,z,c)), \ - (I[47] = (T)(img)(_n2##x,_n3##y,z,c)), \ - 3>=(img)._width?(img).width() - 1:3); \ - (_n3##x<(img).width() && ( \ - (I[6] = (T)(img)(_n3##x,_p3##y,z,c)), \ - (I[13] = (T)(img)(_n3##x,_p2##y,z,c)), \ - (I[20] = (T)(img)(_n3##x,_p1##y,z,c)), \ - (I[27] = (T)(img)(_n3##x,y,z,c)), \ - (I[34] = (T)(img)(_n3##x,_n1##y,z,c)), \ - (I[41] = (T)(img)(_n3##x,_n2##y,z,c)), \ - (I[48] = (T)(img)(_n3##x,_n3##y,z,c)),1)) || \ - _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n3##x = _n2##x = --_n1##x); \ - I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], I[5] = I[6], \ - I[7] = I[8], I[8] = I[9], I[9] = I[10], I[10] = I[11], I[11] = I[12], I[12] = I[13], \ - I[14] = I[15], I[15] = I[16], I[16] = I[17], I[17] = I[18], I[18] = I[19], I[19] = I[20], \ - I[21] = I[22], I[22] = I[23], I[23] = I[24], I[24] = I[25], I[25] = I[26], I[26] = I[27], \ - I[28] = I[29], I[29] = I[30], I[30] = I[31], I[31] = I[32], I[32] = I[33], I[33] = I[34], \ - I[35] = I[36], I[36] = I[37], I[37] = I[38], I[38] = I[39], I[39] = I[40], I[40] = I[41], \ - I[42] = I[43], I[43] = I[44], I[44] = I[45], I[45] = I[46], I[46] = I[47], I[47] = I[48], \ - _p3##x = _p2##x, _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x) - -#define cimg_for_in7x7(img,x0,y0,x1,y1,x,y,z,c,I,T) \ - cimg_for_in7((img)._height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ - _p3##x = x - 3<0?0:x - 3, \ - _p2##x = x - 2<0?0:x - 2, \ - _p1##x = x - 1<0?0:x - 1, \ - _n1##x = x + 1>=(int)(img)._width?(img).width() - 1:x + 1, \ - _n2##x = x + 2>=(int)(img)._width?(img).width() - 1:x + 2, \ - _n3##x = (int)( \ - (I[0] = (T)(img)(_p3##x,_p3##y,z,c)), \ - (I[7] = (T)(img)(_p3##x,_p2##y,z,c)), \ - (I[14] = (T)(img)(_p3##x,_p1##y,z,c)), \ - (I[21] = (T)(img)(_p3##x,y,z,c)), \ - (I[28] = (T)(img)(_p3##x,_n1##y,z,c)), \ - (I[35] = (T)(img)(_p3##x,_n2##y,z,c)), \ - (I[42] = (T)(img)(_p3##x,_n3##y,z,c)), \ - (I[1] = (T)(img)(_p2##x,_p3##y,z,c)), \ - (I[8] = (T)(img)(_p2##x,_p2##y,z,c)), \ - (I[15] = (T)(img)(_p2##x,_p1##y,z,c)), \ - (I[22] = (T)(img)(_p2##x,y,z,c)), \ - (I[29] = (T)(img)(_p2##x,_n1##y,z,c)), \ - (I[36] = (T)(img)(_p2##x,_n2##y,z,c)), \ - (I[43] = (T)(img)(_p2##x,_n3##y,z,c)), \ - (I[2] = (T)(img)(_p1##x,_p3##y,z,c)), \ - (I[9] = (T)(img)(_p1##x,_p2##y,z,c)), \ - (I[16] = (T)(img)(_p1##x,_p1##y,z,c)), \ - (I[23] = (T)(img)(_p1##x,y,z,c)), \ - (I[30] = (T)(img)(_p1##x,_n1##y,z,c)), \ - (I[37] = (T)(img)(_p1##x,_n2##y,z,c)), \ - (I[44] = (T)(img)(_p1##x,_n3##y,z,c)), \ - (I[3] = (T)(img)(x,_p3##y,z,c)), \ - (I[10] = (T)(img)(x,_p2##y,z,c)), \ - (I[17] = (T)(img)(x,_p1##y,z,c)), \ - (I[24] = (T)(img)(x,y,z,c)), \ - (I[31] = (T)(img)(x,_n1##y,z,c)), \ - (I[38] = (T)(img)(x,_n2##y,z,c)), \ - (I[45] = (T)(img)(x,_n3##y,z,c)), \ - (I[4] = (T)(img)(_n1##x,_p3##y,z,c)), \ - (I[11] = (T)(img)(_n1##x,_p2##y,z,c)), \ - (I[18] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[25] = (T)(img)(_n1##x,y,z,c)), \ - (I[32] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[39] = (T)(img)(_n1##x,_n2##y,z,c)), \ - (I[46] = (T)(img)(_n1##x,_n3##y,z,c)), \ - (I[5] = (T)(img)(_n2##x,_p3##y,z,c)), \ - (I[12] = (T)(img)(_n2##x,_p2##y,z,c)), \ - (I[19] = (T)(img)(_n2##x,_p1##y,z,c)), \ - (I[26] = (T)(img)(_n2##x,y,z,c)), \ - (I[33] = (T)(img)(_n2##x,_n1##y,z,c)), \ - (I[40] = (T)(img)(_n2##x,_n2##y,z,c)), \ - (I[47] = (T)(img)(_n2##x,_n3##y,z,c)), \ - x + 3>=(int)(img)._width?(img).width() - 1:x + 3); \ - x<=(int)(x1) && ((_n3##x<(img).width() && ( \ - (I[6] = (T)(img)(_n3##x,_p3##y,z,c)), \ - (I[13] = (T)(img)(_n3##x,_p2##y,z,c)), \ - (I[20] = (T)(img)(_n3##x,_p1##y,z,c)), \ - (I[27] = (T)(img)(_n3##x,y,z,c)), \ - (I[34] = (T)(img)(_n3##x,_n1##y,z,c)), \ - (I[41] = (T)(img)(_n3##x,_n2##y,z,c)), \ - (I[48] = (T)(img)(_n3##x,_n3##y,z,c)),1)) || \ - _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n3##x = _n2##x = --_n1##x)); \ - I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], I[5] = I[6], \ - I[7] = I[8], I[8] = I[9], I[9] = I[10], I[10] = I[11], I[11] = I[12], I[12] = I[13], \ - I[14] = I[15], I[15] = I[16], I[16] = I[17], I[17] = I[18], I[18] = I[19], I[19] = I[20], \ - I[21] = I[22], I[22] = I[23], I[23] = I[24], I[24] = I[25], I[25] = I[26], I[26] = I[27], \ - I[28] = I[29], I[29] = I[30], I[30] = I[31], I[31] = I[32], I[32] = I[33], I[33] = I[34], \ - I[35] = I[36], I[36] = I[37], I[37] = I[38], I[38] = I[39], I[39] = I[40], I[40] = I[41], \ - I[42] = I[43], I[43] = I[44], I[44] = I[45], I[45] = I[46], I[46] = I[47], I[47] = I[48], \ - _p3##x = _p2##x, _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x) - -#define cimg_for8x8(img,x,y,z,c,I,T) \ - cimg_for8((img)._height,y) for (int x = 0, \ - _p3##x = 0, _p2##x = 0, _p1##x = 0, \ - _n1##x = 1>=((img)._width)?(img).width() - 1:1, \ - _n2##x = 2>=((img)._width)?(img).width() - 1:2, \ - _n3##x = 3>=((img)._width)?(img).width() - 1:3, \ - _n4##x = (int)( \ - (I[0] = I[1] = I[2] = I[3] = (T)(img)(_p3##x,_p3##y,z,c)), \ - (I[8] = I[9] = I[10] = I[11] = (T)(img)(0,_p2##y,z,c)), \ - (I[16] = I[17] = I[18] = I[19] = (T)(img)(0,_p1##y,z,c)), \ - (I[24] = I[25] = I[26] = I[27] = (T)(img)(0,y,z,c)), \ - (I[32] = I[33] = I[34] = I[35] = (T)(img)(0,_n1##y,z,c)), \ - (I[40] = I[41] = I[42] = I[43] = (T)(img)(0,_n2##y,z,c)), \ - (I[48] = I[49] = I[50] = I[51] = (T)(img)(0,_n3##y,z,c)), \ - (I[56] = I[57] = I[58] = I[59] = (T)(img)(0,_n4##y,z,c)), \ - (I[4] = (T)(img)(_n1##x,_p3##y,z,c)), \ - (I[12] = (T)(img)(_n1##x,_p2##y,z,c)), \ - (I[20] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[28] = (T)(img)(_n1##x,y,z,c)), \ - (I[36] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[44] = (T)(img)(_n1##x,_n2##y,z,c)), \ - (I[52] = (T)(img)(_n1##x,_n3##y,z,c)), \ - (I[60] = (T)(img)(_n1##x,_n4##y,z,c)), \ - (I[5] = (T)(img)(_n2##x,_p3##y,z,c)), \ - (I[13] = (T)(img)(_n2##x,_p2##y,z,c)), \ - (I[21] = (T)(img)(_n2##x,_p1##y,z,c)), \ - (I[29] = (T)(img)(_n2##x,y,z,c)), \ - (I[37] = (T)(img)(_n2##x,_n1##y,z,c)), \ - (I[45] = (T)(img)(_n2##x,_n2##y,z,c)), \ - (I[53] = (T)(img)(_n2##x,_n3##y,z,c)), \ - (I[61] = (T)(img)(_n2##x,_n4##y,z,c)), \ - (I[6] = (T)(img)(_n3##x,_p3##y,z,c)), \ - (I[14] = (T)(img)(_n3##x,_p2##y,z,c)), \ - (I[22] = (T)(img)(_n3##x,_p1##y,z,c)), \ - (I[30] = (T)(img)(_n3##x,y,z,c)), \ - (I[38] = (T)(img)(_n3##x,_n1##y,z,c)), \ - (I[46] = (T)(img)(_n3##x,_n2##y,z,c)), \ - (I[54] = (T)(img)(_n3##x,_n3##y,z,c)), \ - (I[62] = (T)(img)(_n3##x,_n4##y,z,c)), \ - 4>=((img)._width)?(img).width() - 1:4); \ - (_n4##x<(img).width() && ( \ - (I[7] = (T)(img)(_n4##x,_p3##y,z,c)), \ - (I[15] = (T)(img)(_n4##x,_p2##y,z,c)), \ - (I[23] = (T)(img)(_n4##x,_p1##y,z,c)), \ - (I[31] = (T)(img)(_n4##x,y,z,c)), \ - (I[39] = (T)(img)(_n4##x,_n1##y,z,c)), \ - (I[47] = (T)(img)(_n4##x,_n2##y,z,c)), \ - (I[55] = (T)(img)(_n4##x,_n3##y,z,c)), \ - (I[63] = (T)(img)(_n4##x,_n4##y,z,c)),1)) || \ - _n3##x==--_n4##x || _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n4##x = _n3##x = _n2##x = --_n1##x); \ - I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], I[5] = I[6], I[6] = I[7], \ - I[8] = I[9], I[9] = I[10], I[10] = I[11], I[11] = I[12], I[12] = I[13], I[13] = I[14], I[14] = I[15], \ - I[16] = I[17], I[17] = I[18], I[18] = I[19], I[19] = I[20], I[20] = I[21], I[21] = I[22], I[22] = I[23], \ - I[24] = I[25], I[25] = I[26], I[26] = I[27], I[27] = I[28], I[28] = I[29], I[29] = I[30], I[30] = I[31], \ - I[32] = I[33], I[33] = I[34], I[34] = I[35], I[35] = I[36], I[36] = I[37], I[37] = I[38], I[38] = I[39], \ - I[40] = I[41], I[41] = I[42], I[42] = I[43], I[43] = I[44], I[44] = I[45], I[45] = I[46], I[46] = I[47], \ - I[48] = I[49], I[49] = I[50], I[50] = I[51], I[51] = I[52], I[52] = I[53], I[53] = I[54], I[54] = I[55], \ - I[56] = I[57], I[57] = I[58], I[58] = I[59], I[59] = I[60], I[60] = I[61], I[61] = I[62], I[62] = I[63], \ - _p3##x = _p2##x, _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x, ++_n4##x) - -#define cimg_for_in8x8(img,x0,y0,x1,y1,x,y,z,c,I,T) \ - cimg_for_in8((img)._height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ - _p3##x = x - 3<0?0:x - 3, \ - _p2##x = x - 2<0?0:x - 2, \ - _p1##x = x - 1<0?0:x - 1, \ - _n1##x = x + 1>=(img).width()?(img).width() - 1:x + 1, \ - _n2##x = x + 2>=(img).width()?(img).width() - 1:x + 2, \ - _n3##x = x + 3>=(img).width()?(img).width() - 1:x + 3, \ - _n4##x = (int)( \ - (I[0] = (T)(img)(_p3##x,_p3##y,z,c)), \ - (I[8] = (T)(img)(_p3##x,_p2##y,z,c)), \ - (I[16] = (T)(img)(_p3##x,_p1##y,z,c)), \ - (I[24] = (T)(img)(_p3##x,y,z,c)), \ - (I[32] = (T)(img)(_p3##x,_n1##y,z,c)), \ - (I[40] = (T)(img)(_p3##x,_n2##y,z,c)), \ - (I[48] = (T)(img)(_p3##x,_n3##y,z,c)), \ - (I[56] = (T)(img)(_p3##x,_n4##y,z,c)), \ - (I[1] = (T)(img)(_p2##x,_p3##y,z,c)), \ - (I[9] = (T)(img)(_p2##x,_p2##y,z,c)), \ - (I[17] = (T)(img)(_p2##x,_p1##y,z,c)), \ - (I[25] = (T)(img)(_p2##x,y,z,c)), \ - (I[33] = (T)(img)(_p2##x,_n1##y,z,c)), \ - (I[41] = (T)(img)(_p2##x,_n2##y,z,c)), \ - (I[49] = (T)(img)(_p2##x,_n3##y,z,c)), \ - (I[57] = (T)(img)(_p2##x,_n4##y,z,c)), \ - (I[2] = (T)(img)(_p1##x,_p3##y,z,c)), \ - (I[10] = (T)(img)(_p1##x,_p2##y,z,c)), \ - (I[18] = (T)(img)(_p1##x,_p1##y,z,c)), \ - (I[26] = (T)(img)(_p1##x,y,z,c)), \ - (I[34] = (T)(img)(_p1##x,_n1##y,z,c)), \ - (I[42] = (T)(img)(_p1##x,_n2##y,z,c)), \ - (I[50] = (T)(img)(_p1##x,_n3##y,z,c)), \ - (I[58] = (T)(img)(_p1##x,_n4##y,z,c)), \ - (I[3] = (T)(img)(x,_p3##y,z,c)), \ - (I[11] = (T)(img)(x,_p2##y,z,c)), \ - (I[19] = (T)(img)(x,_p1##y,z,c)), \ - (I[27] = (T)(img)(x,y,z,c)), \ - (I[35] = (T)(img)(x,_n1##y,z,c)), \ - (I[43] = (T)(img)(x,_n2##y,z,c)), \ - (I[51] = (T)(img)(x,_n3##y,z,c)), \ - (I[59] = (T)(img)(x,_n4##y,z,c)), \ - (I[4] = (T)(img)(_n1##x,_p3##y,z,c)), \ - (I[12] = (T)(img)(_n1##x,_p2##y,z,c)), \ - (I[20] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[28] = (T)(img)(_n1##x,y,z,c)), \ - (I[36] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[44] = (T)(img)(_n1##x,_n2##y,z,c)), \ - (I[52] = (T)(img)(_n1##x,_n3##y,z,c)), \ - (I[60] = (T)(img)(_n1##x,_n4##y,z,c)), \ - (I[5] = (T)(img)(_n2##x,_p3##y,z,c)), \ - (I[13] = (T)(img)(_n2##x,_p2##y,z,c)), \ - (I[21] = (T)(img)(_n2##x,_p1##y,z,c)), \ - (I[29] = (T)(img)(_n2##x,y,z,c)), \ - (I[37] = (T)(img)(_n2##x,_n1##y,z,c)), \ - (I[45] = (T)(img)(_n2##x,_n2##y,z,c)), \ - (I[53] = (T)(img)(_n2##x,_n3##y,z,c)), \ - (I[61] = (T)(img)(_n2##x,_n4##y,z,c)), \ - (I[6] = (T)(img)(_n3##x,_p3##y,z,c)), \ - (I[14] = (T)(img)(_n3##x,_p2##y,z,c)), \ - (I[22] = (T)(img)(_n3##x,_p1##y,z,c)), \ - (I[30] = (T)(img)(_n3##x,y,z,c)), \ - (I[38] = (T)(img)(_n3##x,_n1##y,z,c)), \ - (I[46] = (T)(img)(_n3##x,_n2##y,z,c)), \ - (I[54] = (T)(img)(_n3##x,_n3##y,z,c)), \ - (I[62] = (T)(img)(_n3##x,_n4##y,z,c)), \ - x + 4>=(img).width()?(img).width() - 1:x + 4); \ - x<=(int)(x1) && ((_n4##x<(img).width() && ( \ - (I[7] = (T)(img)(_n4##x,_p3##y,z,c)), \ - (I[15] = (T)(img)(_n4##x,_p2##y,z,c)), \ - (I[23] = (T)(img)(_n4##x,_p1##y,z,c)), \ - (I[31] = (T)(img)(_n4##x,y,z,c)), \ - (I[39] = (T)(img)(_n4##x,_n1##y,z,c)), \ - (I[47] = (T)(img)(_n4##x,_n2##y,z,c)), \ - (I[55] = (T)(img)(_n4##x,_n3##y,z,c)), \ - (I[63] = (T)(img)(_n4##x,_n4##y,z,c)),1)) || \ - _n3##x==--_n4##x || _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n4##x = _n3##x = _n2##x = --_n1##x)); \ - I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], I[5] = I[6], I[6] = I[7], \ - I[8] = I[9], I[9] = I[10], I[10] = I[11], I[11] = I[12], I[12] = I[13], I[13] = I[14], I[14] = I[15], \ - I[16] = I[17], I[17] = I[18], I[18] = I[19], I[19] = I[20], I[20] = I[21], I[21] = I[22], I[22] = I[23], \ - I[24] = I[25], I[25] = I[26], I[26] = I[27], I[27] = I[28], I[28] = I[29], I[29] = I[30], I[30] = I[31], \ - I[32] = I[33], I[33] = I[34], I[34] = I[35], I[35] = I[36], I[36] = I[37], I[37] = I[38], I[38] = I[39], \ - I[40] = I[41], I[41] = I[42], I[42] = I[43], I[43] = I[44], I[44] = I[45], I[45] = I[46], I[46] = I[47], \ - I[48] = I[49], I[49] = I[50], I[50] = I[51], I[51] = I[52], I[52] = I[53], I[53] = I[54], I[54] = I[55], \ - I[56] = I[57], I[57] = I[58], I[58] = I[59], I[59] = I[60], I[60] = I[61], I[61] = I[62], I[62] = I[63], \ - _p3##x = _p2##x, _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x, ++_n4##x) - -#define cimg_for9x9(img,x,y,z,c,I,T) \ - cimg_for9((img)._height,y) for (int x = 0, \ - _p4##x = 0, _p3##x = 0, _p2##x = 0, _p1##x = 0, \ - _n1##x = 1>=((img)._width)?(img).width() - 1:1, \ - _n2##x = 2>=((img)._width)?(img).width() - 1:2, \ - _n3##x = 3>=((img)._width)?(img).width() - 1:3, \ - _n4##x = (int)( \ - (I[0] = I[1] = I[2] = I[3] = I[4] = (T)(img)(_p4##x,_p4##y,z,c)), \ - (I[9] = I[10] = I[11] = I[12] = I[13] = (T)(img)(0,_p3##y,z,c)), \ - (I[18] = I[19] = I[20] = I[21] = I[22] = (T)(img)(0,_p2##y,z,c)), \ - (I[27] = I[28] = I[29] = I[30] = I[31] = (T)(img)(0,_p1##y,z,c)), \ - (I[36] = I[37] = I[38] = I[39] = I[40] = (T)(img)(0,y,z,c)), \ - (I[45] = I[46] = I[47] = I[48] = I[49] = (T)(img)(0,_n1##y,z,c)), \ - (I[54] = I[55] = I[56] = I[57] = I[58] = (T)(img)(0,_n2##y,z,c)), \ - (I[63] = I[64] = I[65] = I[66] = I[67] = (T)(img)(0,_n3##y,z,c)), \ - (I[72] = I[73] = I[74] = I[75] = I[76] = (T)(img)(0,_n4##y,z,c)), \ - (I[5] = (T)(img)(_n1##x,_p4##y,z,c)), \ - (I[14] = (T)(img)(_n1##x,_p3##y,z,c)), \ - (I[23] = (T)(img)(_n1##x,_p2##y,z,c)), \ - (I[32] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[41] = (T)(img)(_n1##x,y,z,c)), \ - (I[50] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[59] = (T)(img)(_n1##x,_n2##y,z,c)), \ - (I[68] = (T)(img)(_n1##x,_n3##y,z,c)), \ - (I[77] = (T)(img)(_n1##x,_n4##y,z,c)), \ - (I[6] = (T)(img)(_n2##x,_p4##y,z,c)), \ - (I[15] = (T)(img)(_n2##x,_p3##y,z,c)), \ - (I[24] = (T)(img)(_n2##x,_p2##y,z,c)), \ - (I[33] = (T)(img)(_n2##x,_p1##y,z,c)), \ - (I[42] = (T)(img)(_n2##x,y,z,c)), \ - (I[51] = (T)(img)(_n2##x,_n1##y,z,c)), \ - (I[60] = (T)(img)(_n2##x,_n2##y,z,c)), \ - (I[69] = (T)(img)(_n2##x,_n3##y,z,c)), \ - (I[78] = (T)(img)(_n2##x,_n4##y,z,c)), \ - (I[7] = (T)(img)(_n3##x,_p4##y,z,c)), \ - (I[16] = (T)(img)(_n3##x,_p3##y,z,c)), \ - (I[25] = (T)(img)(_n3##x,_p2##y,z,c)), \ - (I[34] = (T)(img)(_n3##x,_p1##y,z,c)), \ - (I[43] = (T)(img)(_n3##x,y,z,c)), \ - (I[52] = (T)(img)(_n3##x,_n1##y,z,c)), \ - (I[61] = (T)(img)(_n3##x,_n2##y,z,c)), \ - (I[70] = (T)(img)(_n3##x,_n3##y,z,c)), \ - (I[79] = (T)(img)(_n3##x,_n4##y,z,c)), \ - 4>=((img)._width)?(img).width() - 1:4); \ - (_n4##x<(img).width() && ( \ - (I[8] = (T)(img)(_n4##x,_p4##y,z,c)), \ - (I[17] = (T)(img)(_n4##x,_p3##y,z,c)), \ - (I[26] = (T)(img)(_n4##x,_p2##y,z,c)), \ - (I[35] = (T)(img)(_n4##x,_p1##y,z,c)), \ - (I[44] = (T)(img)(_n4##x,y,z,c)), \ - (I[53] = (T)(img)(_n4##x,_n1##y,z,c)), \ - (I[62] = (T)(img)(_n4##x,_n2##y,z,c)), \ - (I[71] = (T)(img)(_n4##x,_n3##y,z,c)), \ - (I[80] = (T)(img)(_n4##x,_n4##y,z,c)),1)) || \ - _n3##x==--_n4##x || _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n4##x = _n3##x = _n2##x = --_n1##x); \ - I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], I[5] = I[6], I[6] = I[7], I[7] = I[8], \ - I[9] = I[10], I[10] = I[11], I[11] = I[12], I[12] = I[13], I[13] = I[14], I[14] = I[15], I[15] = I[16], \ - I[16] = I[17], I[18] = I[19], I[19] = I[20], I[20] = I[21], I[21] = I[22], I[22] = I[23], I[23] = I[24], \ - I[24] = I[25], I[25] = I[26], I[27] = I[28], I[28] = I[29], I[29] = I[30], I[30] = I[31], I[31] = I[32], \ - I[32] = I[33], I[33] = I[34], I[34] = I[35], I[36] = I[37], I[37] = I[38], I[38] = I[39], I[39] = I[40], \ - I[40] = I[41], I[41] = I[42], I[42] = I[43], I[43] = I[44], I[45] = I[46], I[46] = I[47], I[47] = I[48], \ - I[48] = I[49], I[49] = I[50], I[50] = I[51], I[51] = I[52], I[52] = I[53], I[54] = I[55], I[55] = I[56], \ - I[56] = I[57], I[57] = I[58], I[58] = I[59], I[59] = I[60], I[60] = I[61], I[61] = I[62], I[63] = I[64], \ - I[64] = I[65], I[65] = I[66], I[66] = I[67], I[67] = I[68], I[68] = I[69], I[69] = I[70], I[70] = I[71], \ - I[72] = I[73], I[73] = I[74], I[74] = I[75], I[75] = I[76], I[76] = I[77], I[77] = I[78], I[78] = I[79], \ - I[79] = I[80], \ - _p4##x = _p3##x, _p3##x = _p2##x, _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x, ++_n4##x) - -#define cimg_for_in9x9(img,x0,y0,x1,y1,x,y,z,c,I,T) \ - cimg_for_in9((img)._height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ - _p4##x = x - 4<0?0:x - 4, \ - _p3##x = x - 3<0?0:x - 3, \ - _p2##x = x - 2<0?0:x - 2, \ - _p1##x = x - 1<0?0:x - 1, \ - _n1##x = x + 1>=(img).width()?(img).width() - 1:x + 1, \ - _n2##x = x + 2>=(img).width()?(img).width() - 1:x + 2, \ - _n3##x = x + 3>=(img).width()?(img).width() - 1:x + 3, \ - _n4##x = (int)( \ - (I[0] = (T)(img)(_p4##x,_p4##y,z,c)), \ - (I[9] = (T)(img)(_p4##x,_p3##y,z,c)), \ - (I[18] = (T)(img)(_p4##x,_p2##y,z,c)), \ - (I[27] = (T)(img)(_p4##x,_p1##y,z,c)), \ - (I[36] = (T)(img)(_p4##x,y,z,c)), \ - (I[45] = (T)(img)(_p4##x,_n1##y,z,c)), \ - (I[54] = (T)(img)(_p4##x,_n2##y,z,c)), \ - (I[63] = (T)(img)(_p4##x,_n3##y,z,c)), \ - (I[72] = (T)(img)(_p4##x,_n4##y,z,c)), \ - (I[1] = (T)(img)(_p3##x,_p4##y,z,c)), \ - (I[10] = (T)(img)(_p3##x,_p3##y,z,c)), \ - (I[19] = (T)(img)(_p3##x,_p2##y,z,c)), \ - (I[28] = (T)(img)(_p3##x,_p1##y,z,c)), \ - (I[37] = (T)(img)(_p3##x,y,z,c)), \ - (I[46] = (T)(img)(_p3##x,_n1##y,z,c)), \ - (I[55] = (T)(img)(_p3##x,_n2##y,z,c)), \ - (I[64] = (T)(img)(_p3##x,_n3##y,z,c)), \ - (I[73] = (T)(img)(_p3##x,_n4##y,z,c)), \ - (I[2] = (T)(img)(_p2##x,_p4##y,z,c)), \ - (I[11] = (T)(img)(_p2##x,_p3##y,z,c)), \ - (I[20] = (T)(img)(_p2##x,_p2##y,z,c)), \ - (I[29] = (T)(img)(_p2##x,_p1##y,z,c)), \ - (I[38] = (T)(img)(_p2##x,y,z,c)), \ - (I[47] = (T)(img)(_p2##x,_n1##y,z,c)), \ - (I[56] = (T)(img)(_p2##x,_n2##y,z,c)), \ - (I[65] = (T)(img)(_p2##x,_n3##y,z,c)), \ - (I[74] = (T)(img)(_p2##x,_n4##y,z,c)), \ - (I[3] = (T)(img)(_p1##x,_p4##y,z,c)), \ - (I[12] = (T)(img)(_p1##x,_p3##y,z,c)), \ - (I[21] = (T)(img)(_p1##x,_p2##y,z,c)), \ - (I[30] = (T)(img)(_p1##x,_p1##y,z,c)), \ - (I[39] = (T)(img)(_p1##x,y,z,c)), \ - (I[48] = (T)(img)(_p1##x,_n1##y,z,c)), \ - (I[57] = (T)(img)(_p1##x,_n2##y,z,c)), \ - (I[66] = (T)(img)(_p1##x,_n3##y,z,c)), \ - (I[75] = (T)(img)(_p1##x,_n4##y,z,c)), \ - (I[4] = (T)(img)(x,_p4##y,z,c)), \ - (I[13] = (T)(img)(x,_p3##y,z,c)), \ - (I[22] = (T)(img)(x,_p2##y,z,c)), \ - (I[31] = (T)(img)(x,_p1##y,z,c)), \ - (I[40] = (T)(img)(x,y,z,c)), \ - (I[49] = (T)(img)(x,_n1##y,z,c)), \ - (I[58] = (T)(img)(x,_n2##y,z,c)), \ - (I[67] = (T)(img)(x,_n3##y,z,c)), \ - (I[76] = (T)(img)(x,_n4##y,z,c)), \ - (I[5] = (T)(img)(_n1##x,_p4##y,z,c)), \ - (I[14] = (T)(img)(_n1##x,_p3##y,z,c)), \ - (I[23] = (T)(img)(_n1##x,_p2##y,z,c)), \ - (I[32] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[41] = (T)(img)(_n1##x,y,z,c)), \ - (I[50] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[59] = (T)(img)(_n1##x,_n2##y,z,c)), \ - (I[68] = (T)(img)(_n1##x,_n3##y,z,c)), \ - (I[77] = (T)(img)(_n1##x,_n4##y,z,c)), \ - (I[6] = (T)(img)(_n2##x,_p4##y,z,c)), \ - (I[15] = (T)(img)(_n2##x,_p3##y,z,c)), \ - (I[24] = (T)(img)(_n2##x,_p2##y,z,c)), \ - (I[33] = (T)(img)(_n2##x,_p1##y,z,c)), \ - (I[42] = (T)(img)(_n2##x,y,z,c)), \ - (I[51] = (T)(img)(_n2##x,_n1##y,z,c)), \ - (I[60] = (T)(img)(_n2##x,_n2##y,z,c)), \ - (I[69] = (T)(img)(_n2##x,_n3##y,z,c)), \ - (I[78] = (T)(img)(_n2##x,_n4##y,z,c)), \ - (I[7] = (T)(img)(_n3##x,_p4##y,z,c)), \ - (I[16] = (T)(img)(_n3##x,_p3##y,z,c)), \ - (I[25] = (T)(img)(_n3##x,_p2##y,z,c)), \ - (I[34] = (T)(img)(_n3##x,_p1##y,z,c)), \ - (I[43] = (T)(img)(_n3##x,y,z,c)), \ - (I[52] = (T)(img)(_n3##x,_n1##y,z,c)), \ - (I[61] = (T)(img)(_n3##x,_n2##y,z,c)), \ - (I[70] = (T)(img)(_n3##x,_n3##y,z,c)), \ - (I[79] = (T)(img)(_n3##x,_n4##y,z,c)), \ - x + 4>=(img).width()?(img).width() - 1:x + 4); \ - x<=(int)(x1) && ((_n4##x<(img).width() && ( \ - (I[8] = (T)(img)(_n4##x,_p4##y,z,c)), \ - (I[17] = (T)(img)(_n4##x,_p3##y,z,c)), \ - (I[26] = (T)(img)(_n4##x,_p2##y,z,c)), \ - (I[35] = (T)(img)(_n4##x,_p1##y,z,c)), \ - (I[44] = (T)(img)(_n4##x,y,z,c)), \ - (I[53] = (T)(img)(_n4##x,_n1##y,z,c)), \ - (I[62] = (T)(img)(_n4##x,_n2##y,z,c)), \ - (I[71] = (T)(img)(_n4##x,_n3##y,z,c)), \ - (I[80] = (T)(img)(_n4##x,_n4##y,z,c)),1)) || \ - _n3##x==--_n4##x || _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n4##x = _n3##x = _n2##x = --_n1##x)); \ - I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], I[5] = I[6], I[6] = I[7], I[7] = I[8], \ - I[9] = I[10], I[10] = I[11], I[11] = I[12], I[12] = I[13], I[13] = I[14], I[14] = I[15], I[15] = I[16], \ - I[16] = I[17], I[18] = I[19], I[19] = I[20], I[20] = I[21], I[21] = I[22], I[22] = I[23], I[23] = I[24], \ - I[24] = I[25], I[25] = I[26], I[27] = I[28], I[28] = I[29], I[29] = I[30], I[30] = I[31], I[31] = I[32], \ - I[32] = I[33], I[33] = I[34], I[34] = I[35], I[36] = I[37], I[37] = I[38], I[38] = I[39], I[39] = I[40], \ - I[40] = I[41], I[41] = I[42], I[42] = I[43], I[43] = I[44], I[45] = I[46], I[46] = I[47], I[47] = I[48], \ - I[48] = I[49], I[49] = I[50], I[50] = I[51], I[51] = I[52], I[52] = I[53], I[54] = I[55], I[55] = I[56], \ - I[56] = I[57], I[57] = I[58], I[58] = I[59], I[59] = I[60], I[60] = I[61], I[61] = I[62], I[63] = I[64], \ - I[64] = I[65], I[65] = I[66], I[66] = I[67], I[67] = I[68], I[68] = I[69], I[69] = I[70], I[70] = I[71], \ - I[72] = I[73], I[73] = I[74], I[74] = I[75], I[75] = I[76], I[76] = I[77], I[77] = I[78], I[78] = I[79], \ - I[79] = I[80], \ - _p4##x = _p3##x, _p3##x = _p2##x, _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x, ++_n4##x) - -#define cimg_for2x2x2(img,x,y,z,c,I,T) \ - cimg_for2((img)._depth,z) cimg_for2((img)._height,y) for (int x = 0, \ - _n1##x = (int)( \ - (I[0] = (T)(img)(0,y,z,c)), \ - (I[2] = (T)(img)(0,_n1##y,z,c)), \ - (I[4] = (T)(img)(0,y,_n1##z,c)), \ - (I[6] = (T)(img)(0,_n1##y,_n1##z,c)), \ - 1>=(img)._width?(img).width() - 1:1); \ - (_n1##x<(img).width() && ( \ - (I[1] = (T)(img)(_n1##x,y,z,c)), \ - (I[3] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[5] = (T)(img)(_n1##x,y,_n1##z,c)), \ - (I[7] = (T)(img)(_n1##x,_n1##y,_n1##z,c)),1)) || \ - x==--_n1##x; \ - I[0] = I[1], I[2] = I[3], I[4] = I[5], I[6] = I[7], \ - ++x, ++_n1##x) - -#define cimg_for_in2x2x2(img,x0,y0,z0,x1,y1,z1,x,y,z,c,I,T) \ - cimg_for_in2((img)._depth,z0,z1,z) cimg_for_in2((img)._height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ - _n1##x = (int)( \ - (I[0] = (T)(img)(x,y,z,c)), \ - (I[2] = (T)(img)(x,_n1##y,z,c)), \ - (I[4] = (T)(img)(x,y,_n1##z,c)), \ - (I[6] = (T)(img)(x,_n1##y,_n1##z,c)), \ - x + 1>=(int)(img)._width?(img).width() - 1:x + 1); \ - x<=(int)(x1) && ((_n1##x<(img).width() && ( \ - (I[1] = (T)(img)(_n1##x,y,z,c)), \ - (I[3] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[5] = (T)(img)(_n1##x,y,_n1##z,c)), \ - (I[7] = (T)(img)(_n1##x,_n1##y,_n1##z,c)),1)) || \ - x==--_n1##x); \ - I[0] = I[1], I[2] = I[3], I[4] = I[5], I[6] = I[7], \ - ++x, ++_n1##x) - -#define cimg_for3x3x3(img,x,y,z,c,I,T) \ - cimg_for3((img)._depth,z) cimg_for3((img)._height,y) for (int x = 0, \ - _p1##x = 0, \ - _n1##x = (int)( \ - (I[0] = I[1] = (T)(img)(_p1##x,_p1##y,_p1##z,c)), \ - (I[3] = I[4] = (T)(img)(0,y,_p1##z,c)), \ - (I[6] = I[7] = (T)(img)(0,_n1##y,_p1##z,c)), \ - (I[9] = I[10] = (T)(img)(0,_p1##y,z,c)), \ - (I[12] = I[13] = (T)(img)(0,y,z,c)), \ - (I[15] = I[16] = (T)(img)(0,_n1##y,z,c)), \ - (I[18] = I[19] = (T)(img)(0,_p1##y,_n1##z,c)), \ - (I[21] = I[22] = (T)(img)(0,y,_n1##z,c)), \ - (I[24] = I[25] = (T)(img)(0,_n1##y,_n1##z,c)), \ - 1>=(img)._width?(img).width() - 1:1); \ - (_n1##x<(img).width() && ( \ - (I[2] = (T)(img)(_n1##x,_p1##y,_p1##z,c)), \ - (I[5] = (T)(img)(_n1##x,y,_p1##z,c)), \ - (I[8] = (T)(img)(_n1##x,_n1##y,_p1##z,c)), \ - (I[11] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[14] = (T)(img)(_n1##x,y,z,c)), \ - (I[17] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[20] = (T)(img)(_n1##x,_p1##y,_n1##z,c)), \ - (I[23] = (T)(img)(_n1##x,y,_n1##z,c)), \ - (I[26] = (T)(img)(_n1##x,_n1##y,_n1##z,c)),1)) || \ - x==--_n1##x; \ - I[0] = I[1], I[1] = I[2], I[3] = I[4], I[4] = I[5], I[6] = I[7], I[7] = I[8], \ - I[9] = I[10], I[10] = I[11], I[12] = I[13], I[13] = I[14], I[15] = I[16], I[16] = I[17], \ - I[18] = I[19], I[19] = I[20], I[21] = I[22], I[22] = I[23], I[24] = I[25], I[25] = I[26], \ - _p1##x = x++, ++_n1##x) - -#define cimg_for_in3x3x3(img,x0,y0,z0,x1,y1,z1,x,y,z,c,I,T) \ - cimg_for_in3((img)._depth,z0,z1,z) cimg_for_in3((img)._height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ - _p1##x = x - 1<0?0:x - 1, \ - _n1##x = (int)( \ - (I[0] = (T)(img)(_p1##x,_p1##y,_p1##z,c)), \ - (I[3] = (T)(img)(_p1##x,y,_p1##z,c)), \ - (I[6] = (T)(img)(_p1##x,_n1##y,_p1##z,c)), \ - (I[9] = (T)(img)(_p1##x,_p1##y,z,c)), \ - (I[12] = (T)(img)(_p1##x,y,z,c)), \ - (I[15] = (T)(img)(_p1##x,_n1##y,z,c)), \ - (I[18] = (T)(img)(_p1##x,_p1##y,_n1##z,c)), \ - (I[21] = (T)(img)(_p1##x,y,_n1##z,c)), \ - (I[24] = (T)(img)(_p1##x,_n1##y,_n1##z,c)), \ - (I[1] = (T)(img)(x,_p1##y,_p1##z,c)), \ - (I[4] = (T)(img)(x,y,_p1##z,c)), \ - (I[7] = (T)(img)(x,_n1##y,_p1##z,c)), \ - (I[10] = (T)(img)(x,_p1##y,z,c)), \ - (I[13] = (T)(img)(x,y,z,c)), \ - (I[16] = (T)(img)(x,_n1##y,z,c)), \ - (I[19] = (T)(img)(x,_p1##y,_n1##z,c)), \ - (I[22] = (T)(img)(x,y,_n1##z,c)), \ - (I[25] = (T)(img)(x,_n1##y,_n1##z,c)), \ - x + 1>=(int)(img)._width?(img).width() - 1:x + 1); \ - x<=(int)(x1) && ((_n1##x<(img).width() && ( \ - (I[2] = (T)(img)(_n1##x,_p1##y,_p1##z,c)), \ - (I[5] = (T)(img)(_n1##x,y,_p1##z,c)), \ - (I[8] = (T)(img)(_n1##x,_n1##y,_p1##z,c)), \ - (I[11] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[14] = (T)(img)(_n1##x,y,z,c)), \ - (I[17] = (T)(img)(_n1##x,_n1##y,z,c)), \ - (I[20] = (T)(img)(_n1##x,_p1##y,_n1##z,c)), \ - (I[23] = (T)(img)(_n1##x,y,_n1##z,c)), \ - (I[26] = (T)(img)(_n1##x,_n1##y,_n1##z,c)),1)) || \ - x==--_n1##x); \ - I[0] = I[1], I[1] = I[2], I[3] = I[4], I[4] = I[5], I[6] = I[7], I[7] = I[8], \ - I[9] = I[10], I[10] = I[11], I[12] = I[13], I[13] = I[14], I[15] = I[16], I[16] = I[17], \ - I[18] = I[19], I[19] = I[20], I[21] = I[22], I[22] = I[23], I[24] = I[25], I[25] = I[26], \ - _p1##x = x++, ++_n1##x) - -#define cimglist_for(list,l) for (int l = 0; l<(int)(list)._width; ++l) -#define cimglist_for_in(list,l0,l1,l) \ - for (int l = (int)(l0)<0?0:(int)(l0), _max##l = (unsigned int)l1<(list)._width?(int)(l1):(int)(list)._width - 1; \ - l<=_max##l; ++l) - -#define cimglist_apply(list,fn) cimglist_for(list,__##fn) (list)[__##fn].fn - -// Macros used to display error messages when exceptions are thrown. -// You should not use these macros is your own code. -#define _cimgdisplay_instance "[instance(%u,%u,%u,%c%s%c)] CImgDisplay::" -#define cimgdisplay_instance _width,_height,_normalization,_title?'\"':'[',_title?_title:"untitled",_title?'\"':']' -#define _cimg_instance "[instance(%u,%u,%u,%u,%p,%sshared)] CImg<%s>::" -#define cimg_instance _width,_height,_depth,_spectrum,_data,_is_shared?"":"non-",pixel_type() -#define _cimglist_instance "[instance(%u,%u,%p)] CImgList<%s>::" -#define cimglist_instance _width,_allocated_width,_data,pixel_type() - -/*------------------------------------------------ - # - # - # Define cimg_library:: namespace - # - # - -------------------------------------------------*/ -//! Contains all classes and functions of the \CImg library. -/** - This namespace is defined to avoid functions and class names collisions - that could happen with the inclusion of other C++ header files. - Anyway, it should not happen often and you should reasonnably start most of your - \CImg-based programs with - \code - #include "CImg.h" - using namespace cimg_library; - \endcode - to simplify the declaration of \CImg Library objects afterwards. -**/ -namespace cimg_library_suffixed { - - // Declare the four classes of the CImg Library. - template struct CImg; - template struct CImgList; - struct CImgDisplay; - struct CImgException; - - // Declare cimg:: namespace. - // This is an uncomplete namespace definition here. It only contains some - // necessary stuff to ensure a correct declaration order of the classes and functions - // defined afterwards. - namespace cimg { - - // Define ascii sequences for colored terminal output. -#ifdef cimg_use_vt100 - static const char t_normal[] = { 0x1b, '[', '0', ';', '0', ';', '0', 'm', 0 }; - static const char t_black[] = { 0x1b, '[', '0', ';', '3', '0', ';', '5', '9', 'm', 0 }; - static const char t_red[] = { 0x1b, '[', '0', ';', '3', '1', ';', '5', '9', 'm', 0 }; - static const char t_green[] = { 0x1b, '[', '0', ';', '3', '2', ';', '5', '9', 'm', 0 }; - static const char t_yellow[] = { 0x1b, '[', '0', ';', '3', '3', ';', '5', '9', 'm', 0 }; - static const char t_blue[] = { 0x1b, '[', '0', ';', '3', '4', ';', '5', '9', 'm', 0 }; - static const char t_magenta[] = { 0x1b, '[', '0', ';', '3', '5', ';', '5', '9', 'm', 0 }; - static const char t_cyan[] = { 0x1b, '[', '0', ';', '3', '6', ';', '5', '9', 'm', 0 }; - static const char t_white[] = { 0x1b, '[', '0', ';', '3', '7', ';', '5', '9', 'm', 0 }; - static const char t_bold[] = { 0x1b, '[', '1', 'm', 0 }; - static const char t_underscore[] = { 0x1b, '[', '4', 'm', 0 }; -#else - static const char t_normal[] = { 0 }; - static const char *const t_black = cimg::t_normal, - *const t_red = cimg::t_normal, - *const t_green = cimg::t_normal, - *const t_yellow = cimg::t_normal, - *const t_blue = cimg::t_normal, - *const t_magenta = cimg::t_normal, - *const t_cyan = cimg::t_normal, - *const t_white = cimg::t_normal, - *const t_bold = cimg::t_normal, - *const t_underscore = cimg::t_normal; -#endif - - inline std::FILE* output(std::FILE *file=0); - inline void info(); - - //! Avoid warning messages due to unused parameters. Do nothing actually. - template - inline void unused(const T&, ...) {} - - // [internal] Lock/unlock a mutex for managing concurrent threads. - // 'lock_mode' can be { 0=unlock | 1=lock | 2=trylock }. - // 'n' can be in [0,31] but mutex range [0,15] is reserved by CImg. - inline int mutex(const unsigned int n, const int lock_mode=1); - - inline unsigned int& _exception_mode(const unsigned int value, const bool is_set) { - static unsigned int mode = cimg_verbosity; - if (is_set) { cimg::mutex(0); mode = value<4?value:4; cimg::mutex(0,0); } - return mode; - } - - // Mandatory because Microsoft's _snprintf() and _vsnprintf() do not add the '\0' character - // at the end of the string. -#if cimg_OS==2 && defined(_MSC_VER) - inline int _snprintf(char *const s, const size_t size, const char *const format, ...) { - va_list ap; - va_start(ap,format); - const int result = _vsnprintf(s,size,format,ap); - va_end(ap); - return result; - } - - inline int _vsnprintf(char *const s, const size_t size, const char *const format, va_list ap) { - int result = -1; - cimg::mutex(6); - if (size) result = _vsnprintf_s(s,size,_TRUNCATE,format,ap); - if (result==-1) result = _vscprintf(format,ap); - cimg::mutex(6,0); - return result; - } - - // Mutex-protected version of sscanf, sprintf and snprintf. - // Used only MacOSX, as it seems those functions are not re-entrant on MacOSX. -#elif defined(__MACOSX__) || defined(__APPLE__) - inline int _sscanf(const char *const s, const char *const format, ...) { - cimg::mutex(6); - va_list args; - va_start(args,format); - const int result = std::vsscanf(s,format,args); - va_end(args); - cimg::mutex(6,0); - return result; - } - - inline int _sprintf(char *const s, const char *const format, ...) { - cimg::mutex(6); - va_list args; - va_start(args,format); - const int result = std::vsprintf(s,format,args); - va_end(args); - cimg::mutex(6,0); - return result; - } - - inline int _snprintf(char *const s, const size_t n, const char *const format, ...) { - cimg::mutex(6); - va_list args; - va_start(args,format); - const int result = std::vsnprintf(s,n,format,args); - va_end(args); - cimg::mutex(6,0); - return result; - } - - inline int _vsnprintf(char *const s, const size_t size, const char* format, va_list ap) { - cimg::mutex(6); - const int result = std::vsnprintf(s,size,format,ap); - cimg::mutex(6,0); - return result; - } -#endif - - //! Set current \CImg exception mode. - /** - The way error messages are handled by \CImg can be changed dynamically, using this function. - \param mode Desired exception mode. Possible values are: - - \c 0: Hide library messages (quiet mode). - - \c 1: Print library messages on the console. - - \c 2: Display library messages on a dialog window (default behavior). - - \c 3: Do as \c 1 + add extra debug warnings (slow down the code!). - - \c 4: Do as \c 2 + add extra debug warnings (slow down the code!). - **/ - inline unsigned int& exception_mode(const unsigned int mode) { - return _exception_mode(mode,true); - } - - //! Return current \CImg exception mode. - /** - \note By default, return the value of configuration macro \c cimg_verbosity - **/ - inline unsigned int& exception_mode() { - return _exception_mode(0,false); - } - - //! Set current \CImg openmp mode. - /** - The way openmp-based methods are handled by \CImg can be changed dynamically, using this function. - \param mode Desired openmp mode. Possible values are: - - \c 0: Never parallelize (quiet mode). - - \c 1: Always parallelize. - - \c 2: Adaptive parallelization mode (default behavior). - **/ - inline unsigned int& _openmp_mode(const unsigned int value, const bool is_set) { - static unsigned int mode = 2; - if (is_set) { cimg::mutex(0); mode = value<2?value:2; cimg::mutex(0,0); } - return mode; - } - - inline unsigned int& openmp_mode(const unsigned int mode) { - return _openmp_mode(mode,true); - } - - //! Return current \CImg openmp mode. - inline unsigned int& openmp_mode() { - return _openmp_mode(0,false); - } - -#define cimg_openmp_if(cond) if (cimg::openmp_mode()==1 || (cimg::openmp_mode()>1 && (cond))) - - // Display a simple dialog box, and wait for the user's response. - inline int dialog(const char *const title, const char *const msg, const char *const button1_label="OK", - const char *const button2_label=0, const char *const button3_label=0, - const char *const button4_label=0, const char *const button5_label=0, - const char *const button6_label=0, const bool centering=false); - - // Evaluate math expression. - inline double eval(const char *const expression, - const double x=0, const double y=0, const double z=0, const double c=0); - - } - - /*--------------------------------------- - # - # Define the CImgException structures - # - --------------------------------------*/ - //! Instances of \c CImgException are thrown when errors are encountered in a \CImg function call. - /** - \par Overview - - CImgException is the base class of all exceptions thrown by \CImg (except \b CImgAbortException). - CImgException is never thrown itself. Derived classes that specify the type of errord are thrown instead. - These classes can be: - - - \b CImgAbortException: Thrown when a computationally-intensive function is aborted by an external signal. - This is the only \c non-derived exception class. - - - \b CImgArgumentException: Thrown when one argument of a called \CImg function is invalid. - This is probably one of the most thrown exception by \CImg. - For instance, the following example throws a \c CImgArgumentException: - \code - CImg img(100,100,1,3); // Define a 100x100 color image with float-valued pixels. - img.mirror('e'); // Try to mirror image along the (non-existing) 'e'-axis. - \endcode - - - \b CImgDisplayException: Thrown when something went wrong during the display of images in CImgDisplay instances. - - - \b CImgInstanceException: Thrown when an instance associated to a called \CImg method does not fit - the function requirements. For instance, the following example throws a \c CImgInstanceException: - \code - const CImg img; // Define an empty image. - const float value = img.at(0); // Try to read first pixel value (does not exist). - \endcode - - - \b CImgIOException: Thrown when an error occured when trying to load or save image files. - This happens when trying to read files that do not exist or with invalid formats. - For instance, the following example throws a \c CImgIOException: - \code - const CImg img("missing_file.jpg"); // Try to load a file that does not exist. - \endcode - - - \b CImgWarningException: Thrown only if configuration macro \c cimg_strict_warnings is set, and - when a \CImg function has to display a warning message (see cimg::warn()). - - It is not recommended to throw CImgException instances by yourself, - since they are expected to be thrown only by \CImg. - When an error occurs in a library function call, \CImg may display error messages on the screen or on the - standard output, depending on the current \CImg exception mode. - The \CImg exception mode can be get and set by functions cimg::exception_mode() and - cimg::exception_mode(unsigned int). - - \par Exceptions handling - - In all cases, when an error occurs in \CImg, an instance of the corresponding exception class is thrown. - This may lead the program to break (this is the default behavior), but you can bypass this behavior by - handling the exceptions by yourself, - using a usual try { ... } catch () { ... } bloc, as in the following example: - \code - #define "CImg.h" - using namespace cimg_library; - int main() { - cimg::exception_mode(0); // Enable quiet exception mode. - try { - ... // Here, do what you want to stress CImg. - } catch (CImgException &e) { // You succeeded: something went wrong! - std::fprintf(stderr,"CImg Library Error: %s",e.what()); // Display your custom error message. - ... // Do what you want now to save the ship! - } - } - \endcode - **/ - struct CImgException : public std::exception { -#define _cimg_exception_err(etype,disp_flag) \ - std::va_list ap, ap2; \ - va_start(ap,format); va_start(ap2,format); \ - int size = cimg_vsnprintf(0,0,format,ap2); \ - if (size++>=0) { \ - delete[] _message; \ - _message = new char[size]; \ - cimg_vsnprintf(_message,size,format,ap); \ - if (cimg::exception_mode()) { \ - std::fprintf(cimg::output(),"\n%s[CImg] *** %s ***%s %s\n",cimg::t_red,etype,cimg::t_normal,_message); \ - if (cimg_display && disp_flag && !(cimg::exception_mode()%2)) try { cimg::dialog(etype,_message,"Abort"); } \ - catch (CImgException&) {} \ - if (cimg::exception_mode()>=3) cimg_library_suffixed::cimg::info(); \ - } \ - } \ - va_end(ap); va_end(ap2); \ - - char *_message; - CImgException() { _message = new char[1]; *_message = 0; } - CImgException(const char *const format, ...):_message(0) { _cimg_exception_err("CImgException",true); } - CImgException(const CImgException& e):std::exception(e) { - const int size = std::strlen(e._message); - _message = new char[size + 1]; - std::strncpy(_message,e._message,size); - _message[size] = 0; - } - ~CImgException() throw() { delete[] _message; } - CImgException& operator=(const CImgException& e) { - const int size = std::strlen(e._message); - _message = new char[size + 1]; - std::strncpy(_message,e._message,size); - _message[size] = 0; - return *this; - } - //! Return a C-string containing the error message associated to the thrown exception. - const char *what() const throw() { return _message; } - }; - - // The CImgAbortException class is used to throw an exception when - // a computationally-intensive function has been aborted by an external signal. - struct CImgAbortException : public std::exception { - char *_message; - CImgAbortException() { _message = new char[1]; *_message = 0; } - CImgAbortException(const char *const format, ...):_message(0) { _cimg_exception_err("CImgAbortException",true); } - CImgAbortException(const CImgAbortException& e):std::exception(e) { - const int size = std::strlen(e._message); - _message = new char[size + 1]; - std::strncpy(_message,e._message,size); - _message[size] = 0; - } - ~CImgAbortException() throw() { delete[] _message; } - CImgAbortException& operator=(const CImgAbortException& e) { - const int size = std::strlen(e._message); - _message = new char[size + 1]; - std::strncpy(_message,e._message,size); - _message[size] = 0; - return *this; - } - //! Return a C-string containing the error message associated to the thrown exception. - const char *what() const throw() { return _message; } - }; - - // The CImgArgumentException class is used to throw an exception related - // to invalid arguments encountered in a library function call. - struct CImgArgumentException : public CImgException { - CImgArgumentException(const char *const format, ...) { _cimg_exception_err("CImgArgumentException",true); } - }; - - // The CImgDisplayException class is used to throw an exception related - // to display problems encountered in a library function call. - struct CImgDisplayException : public CImgException { - CImgDisplayException(const char *const format, ...) { _cimg_exception_err("CImgDisplayException",false); } - }; - - // The CImgInstanceException class is used to throw an exception related - // to an invalid instance encountered in a library function call. - struct CImgInstanceException : public CImgException { - CImgInstanceException(const char *const format, ...) { _cimg_exception_err("CImgInstanceException",true); } - }; - - // The CImgIOException class is used to throw an exception related - // to input/output file problems encountered in a library function call. - struct CImgIOException : public CImgException { - CImgIOException(const char *const format, ...) { _cimg_exception_err("CImgIOException",true); } - }; - - // The CImgWarningException class is used to throw an exception for warnings - // encountered in a library function call. - struct CImgWarningException : public CImgException { - CImgWarningException(const char *const format, ...) { _cimg_exception_err("CImgWarningException",false); } - }; - - /*------------------------------------- - # - # Define cimg:: namespace - # - -----------------------------------*/ - //! Contains \a low-level functions and variables of the \CImg Library. - /** - Most of the functions and variables within this namespace are used by the \CImg library for low-level operations. - You may use them to access specific const values or environment variables internally used by \CImg. - \warning Never write using namespace cimg_library::cimg; in your source code. Lot of functions in the - cimg:: namespace have the same names as standard C functions that may be defined in the global - namespace ::. - **/ - namespace cimg { - - // Define traits that will be used to determine the best data type to work in CImg functions. - // - template struct type { - static const char* string() { - static const char* s[] = { "unknown", "unknown8", "unknown16", "unknown24", - "unknown32", "unknown40", "unknown48", "unknown56", - "unknown64", "unknown72", "unknown80", "unknown88", - "unknown96", "unknown104", "unknown112", "unknown120", - "unknown128" }; - return s[(sizeof(T)<17)?sizeof(T):0]; - } - static bool is_float() { return false; } - static bool is_inf(const T) { return false; } - static bool is_nan(const T) { return false; } - static T min() { return ~max(); } - static T max() { return (T)1<<(8*sizeof(T) - 1); } - static T inf() { return max(); } - static T cut(const double val) { return val<(double)min()?min():val>(double)max()?max():(T)val; } - static const char* format() { return "%s"; } - static const char* format(const T& val) { static const char *const s = "unknown"; cimg::unused(val); return s; } - }; - - template<> struct type { - static const char* string() { static const char *const s = "bool"; return s; } - static bool is_float() { return false; } - static bool is_inf(const bool) { return false; } - static bool is_nan(const bool) { return false; } - static bool min() { return false; } - static bool max() { return true; } - static bool inf() { return max(); } - static bool is_inf() { return false; } - static bool cut(const double val) { return val<(double)min()?min():val>(double)max()?max():(bool)val; } - static const char* format() { return "%s"; } - static const char* format(const bool val) { static const char* s[] = { "false", "true" }; return s[val?1:0]; } - }; - - template<> struct type { - static const char* string() { static const char *const s = "unsigned char"; return s; } - static bool is_float() { return false; } - static bool is_inf(const unsigned char) { return false; } - static bool is_nan(const unsigned char) { return false; } - static unsigned char min() { return 0; } - static unsigned char max() { return (unsigned char)-1; } - static unsigned char inf() { return max(); } - static unsigned char cut(const double val) { - return val<(double)min()?min():val>(double)max()?max():(unsigned char)val; } - static const char* format() { return "%u"; } - static unsigned int format(const unsigned char val) { return (unsigned int)val; } - }; - -#if defined(CHAR_MAX) && CHAR_MAX==255 - template<> struct type { - static const char* string() { static const char *const s = "char"; return s; } - static bool is_float() { return false; } - static bool is_inf(const char) { return false; } - static bool is_nan(const char) { return false; } - static char min() { return 0; } - static char max() { return (char)-1; } - static char inf() { return max(); } - static char cut(const double val) { - return val<(double)min()?min():val>(double)max()?max():(unsigned char)val; } - static const char* format() { return "%u"; } - static unsigned int format(const char val) { return (unsigned int)val; } - }; -#else - template<> struct type { - static const char* string() { static const char *const s = "char"; return s; } - static bool is_float() { return false; } - static bool is_inf(const char) { return false; } - static bool is_nan(const char) { return false; } - static char min() { return ~max(); } - static char max() { return (char)((unsigned char)-1>>1); } - static char inf() { return max(); } - static char cut(const double val) { return val<(double)min()?min():val>(double)max()?max():(char)val; } - static const char* format() { return "%d"; } - static int format(const char val) { return (int)val; } - }; -#endif - - template<> struct type { - static const char* string() { static const char *const s = "signed char"; return s; } - static bool is_float() { return false; } - static bool is_inf(const signed char) { return false; } - static bool is_nan(const signed char) { return false; } - static signed char min() { return ~max(); } - static signed char max() { return (signed char)((unsigned char)-1>>1); } - static signed char inf() { return max(); } - static signed char cut(const double val) { - return val<(double)min()?min():val>(double)max()?max():(signed char)val; } - static const char* format() { return "%d"; } - static int format(const signed char val) { return (int)val; } - }; - - template<> struct type { - static const char* string() { static const char *const s = "unsigned short"; return s; } - static bool is_float() { return false; } - static bool is_inf(const unsigned short) { return false; } - static bool is_nan(const unsigned short) { return false; } - static unsigned short min() { return 0; } - static unsigned short max() { return (unsigned short)-1; } - static unsigned short inf() { return max(); } - static unsigned short cut(const double val) { - return val<(double)min()?min():val>(double)max()?max():(unsigned short)val; } - static const char* format() { return "%u"; } - static unsigned int format(const unsigned short val) { return (unsigned int)val; } - }; - - template<> struct type { - static const char* string() { static const char *const s = "short"; return s; } - static bool is_float() { return false; } - static bool is_inf(const short) { return false; } - static bool is_nan(const short) { return false; } - static short min() { return ~max(); } - static short max() { return (short)((unsigned short)-1>>1); } - static short inf() { return max(); } - static short cut(const double val) { return val<(double)min()?min():val>(double)max()?max():(short)val; } - static const char* format() { return "%d"; } - static int format(const short val) { return (int)val; } - }; - - template<> struct type { - static const char* string() { static const char *const s = "unsigned int"; return s; } - static bool is_float() { return false; } - static bool is_inf(const unsigned int) { return false; } - static bool is_nan(const unsigned int) { return false; } - static unsigned int min() { return 0; } - static unsigned int max() { return (unsigned int)-1; } - static unsigned int inf() { return max(); } - static unsigned int cut(const double val) { - return val<(double)min()?min():val>(double)max()?max():(unsigned int)val; } - static const char* format() { return "%u"; } - static unsigned int format(const unsigned int val) { return val; } - }; - - template<> struct type { - static const char* string() { static const char *const s = "int"; return s; } - static bool is_float() { return false; } - static bool is_inf(const int) { return false; } - static bool is_nan(const int) { return false; } - static int min() { return ~max(); } - static int max() { return (int)((unsigned int)-1>>1); } - static int inf() { return max(); } - static int cut(const double val) { return val<(double)min()?min():val>(double)max()?max():(int)val; } - static const char* format() { return "%d"; } - static int format(const int val) { return val; } - }; - - template<> struct type { - static const char* string() { static const char *const s = "unsigned long"; return s; } - static bool is_float() { return false; } - static bool is_inf(const unsigned long) { return false; } - static bool is_nan(const unsigned long) { return false; } - static unsigned long min() { return 0; } - static unsigned long max() { return (unsigned long)-1; } - static unsigned long inf() { return max(); } - static unsigned long cut(const double val) { - return val<(double)min()?min():val>(double)max()?max():(unsigned long)val; } - static const char* format() { return "%lu"; } - static unsigned long format(const unsigned long val) { return val; } - }; - - template<> struct type { - static const char* string() { static const char *const s = "long"; return s; } - static bool is_float() { return false; } - static bool is_inf(const long) { return false; } - static bool is_nan(const long) { return false; } - static long min() { return ~max(); } - static long max() { return (long)((unsigned long)-1>>1); } - static long inf() { return max(); } - static long cut(const double val) { return val<(double)min()?min():val>(double)max()?max():(long)val; } - static const char* format() { return "%ld"; } - static long format(const long val) { return val; } - }; - - template<> struct type { - static const char* string() { static const char *const s = "double"; return s; } - static bool is_float() { return true; } - static bool is_inf(const double val) { -#ifdef isinf - return (bool)isinf(val); -#else - return !is_nan(val) && (val::min() || val>cimg::type::max()); -#endif - } - static bool is_nan(const double val) { -#ifdef isnan - return (bool)isnan(val); -#else - return !(val==val); -#endif - } - static double min() { return -DBL_MAX; } - static double max() { return DBL_MAX; } - static double inf() { -#ifdef INFINITY - return (double)INFINITY; -#else - return max()*max(); -#endif - } - static double nan() { -#ifdef NAN - return (double)NAN; -#else - const double val_nan = -std::sqrt(-1.0); return val_nan; -#endif - } - static double cut(const double val) { return valmax()?max():val; } - static const char* format() { return "%.16g"; } - static double format(const double val) { return val; } - }; - - template<> struct type { - static const char* string() { static const char *const s = "float"; return s; } - static bool is_float() { return true; } - static bool is_inf(const float val) { -#ifdef isinf - return (bool)isinf(val); -#else - return !is_nan(val) && (val::min() || val>cimg::type::max()); -#endif - } - static bool is_nan(const float val) { -#ifdef isnan - return (bool)isnan(val); -#else - return !(val==val); -#endif - } - static float min() { return -FLT_MAX; } - static float max() { return FLT_MAX; } - static float inf() { return (float)cimg::type::inf(); } - static float nan() { return (float)cimg::type::nan(); } - static float cut(const double val) { return val<(double)min()?min():val>(double)max()?max():(float)val; } - static const char* format() { return "%.16g"; } - static double format(const float val) { return (double)val; } - }; - - template<> struct type { - static const char* string() { static const char *const s = "long double"; return s; } - static bool is_float() { return true; } - static bool is_inf(const long double val) { -#ifdef isinf - return (bool)isinf(val); -#else - return !is_nan(val) && (val::min() || val>cimg::type::max()); -#endif - } - static bool is_nan(const long double val) { -#ifdef isnan - return (bool)isnan(val); -#else - return !(val==val); -#endif - } - static long double min() { return -LDBL_MAX; } - static long double max() { return LDBL_MAX; } - static long double inf() { return max()*max(); } - static long double nan() { const long double val_nan = -std::sqrt(-1.0L); return val_nan; } - static long double cut(const long double val) { return valmax()?max():val; } - static const char* format() { return "%.16g"; } - static double format(const long double val) { return (double)val; } - }; - - template struct superset { typedef T type; }; - template<> struct superset { typedef unsigned char type; }; - template<> struct superset { typedef char type; }; - template<> struct superset { typedef signed char type; }; - template<> struct superset { typedef unsigned short type; }; - template<> struct superset { typedef short type; }; - template<> struct superset { typedef unsigned int type; }; - template<> struct superset { typedef int type; }; - template<> struct superset { typedef unsigned long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef float type; }; - template<> struct superset { typedef double type; }; - template<> struct superset { typedef short type; }; - template<> struct superset { typedef short type; }; - template<> struct superset { typedef unsigned short type; }; - template<> struct superset { typedef short type; }; - template<> struct superset { typedef unsigned int type; }; - template<> struct superset { typedef int type; }; - template<> struct superset { typedef unsigned long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef float type; }; - template<> struct superset { typedef double type; }; - template<> struct superset { typedef short type; }; - template<> struct superset { typedef short type; }; - template<> struct superset { typedef int type; }; - template<> struct superset { typedef short type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef int type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef float type; }; - template<> struct superset { typedef double type; }; - template<> struct superset { typedef short type; }; - template<> struct superset { typedef short type; }; - template<> struct superset { typedef int type; }; - template<> struct superset { typedef short type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef int type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef float type; }; - template<> struct superset { typedef double type; }; - template<> struct superset { typedef int type; }; - template<> struct superset { typedef int type; }; - template<> struct superset { typedef int type; }; - template<> struct superset { typedef unsigned int type; }; - template<> struct superset { typedef int type; }; - template<> struct superset { typedef unsigned long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef float type; }; - template<> struct superset { typedef double type; }; - template<> struct superset { typedef int type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef int type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef float type; }; - template<> struct superset { typedef double type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef unsigned long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef float type; }; - template<> struct superset { typedef double type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef float type; }; - template<> struct superset { typedef double type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef long type; }; - template<> struct superset { typedef double type; }; - template<> struct superset { typedef double type; }; - template<> struct superset { typedef double type; }; - template<> struct superset { typedef double type; }; - template<> struct superset { typedef double type; }; - - template struct superset2 { - typedef typename superset::type>::type type; - }; - - template struct superset3 { - typedef typename superset::type>::type type; - }; - - template struct last { typedef t2 type; }; - -#define _cimg_Tt typename cimg::superset::type -#define _cimg_Tfloat typename cimg::superset::type -#define _cimg_Ttfloat typename cimg::superset2::type -#define _cimg_Ttdouble typename cimg::superset2::type - - // Define variables used internally by CImg. -#if cimg_display==1 - struct X11_info { - unsigned int nb_wins; - pthread_t *events_thread; - pthread_cond_t wait_event; - pthread_mutex_t wait_event_mutex; - CImgDisplay **wins; - Display *display; - unsigned int nb_bits; - bool is_blue_first; - bool is_shm_enabled; - bool byte_order; -#ifdef cimg_use_xrandr - XRRScreenSize *resolutions; - Rotation curr_rotation; - unsigned int curr_resolution; - unsigned int nb_resolutions; -#endif - X11_info():nb_wins(0),events_thread(0),display(0), - nb_bits(0),is_blue_first(false),is_shm_enabled(false),byte_order(false) { -#ifdef __FreeBSD__ - XInitThreads(); -#endif - wins = new CImgDisplay*[1024]; - pthread_mutex_init(&wait_event_mutex,0); - pthread_cond_init(&wait_event,0); -#ifdef cimg_use_xrandr - resolutions = 0; - curr_rotation = 0; - curr_resolution = nb_resolutions = 0; -#endif - } - - ~X11_info() { - delete[] wins; - /* - if (events_thread) { - pthread_cancel(*events_thread); - delete events_thread; - } - if (display) { } // XCloseDisplay(display); } - pthread_cond_destroy(&wait_event); - pthread_mutex_unlock(&wait_event_mutex); - pthread_mutex_destroy(&wait_event_mutex); - */ - } - }; -#if defined(cimg_module) - X11_info& X11_attr(); -#elif defined(cimg_main) - X11_info& X11_attr() { static X11_info val; return val; } -#else - inline X11_info& X11_attr() { static X11_info val; return val; } -#endif -#define cimg_lock_display() cimg::mutex(15) -#define cimg_unlock_display() cimg::mutex(15,0) - -#elif cimg_display==2 - struct Win32_info { - HANDLE wait_event; - Win32_info() { wait_event = CreateEvent(0,FALSE,FALSE,0); } - }; -#if defined(cimg_module) - Win32_info& Win32_attr(); -#elif defined(cimg_main) - Win32_info& Win32_attr() { static Win32_info val; return val; } -#else - inline Win32_info& Win32_attr() { static Win32_info val; return val; } -#endif -#endif - - struct Mutex_info { -#if cimg_OS==2 - HANDLE mutex[32]; - Mutex_info() { for (unsigned int i = 0; i<32; ++i) mutex[i] = CreateMutex(0,FALSE,0); } - void lock(const unsigned int n) { WaitForSingleObject(mutex[n],INFINITE); } - void unlock(const unsigned int n) { ReleaseMutex(mutex[n]); } - int trylock(const unsigned int) { return 0; } -#elif defined(_PTHREAD_H) - pthread_mutex_t mutex[32]; - Mutex_info() { for (unsigned int i = 0; i<32; ++i) pthread_mutex_init(&mutex[i],0); } - void lock(const unsigned int n) { pthread_mutex_lock(&mutex[n]); } - void unlock(const unsigned int n) { pthread_mutex_unlock(&mutex[n]); } - int trylock(const unsigned int n) { return pthread_mutex_trylock(&mutex[n]); } -#else - Mutex_info() {} - void lock(const unsigned int) {} - void unlock(const unsigned int) {} - int trylock(const unsigned int) { return 0; } -#endif - }; -#if defined(cimg_module) - Mutex_info& Mutex_attr(); -#elif defined(cimg_main) - Mutex_info& Mutex_attr() { static Mutex_info val; return val; } -#else - inline Mutex_info& Mutex_attr() { static Mutex_info val; return val; } -#endif - -#if defined(cimg_use_magick) - static struct Magick_info { - Magick_info() { - Magick::InitializeMagick(""); - } - } _Magick_info; -#endif - -#if cimg_display==1 - // Define keycodes for X11-based graphical systems. - const unsigned int keyESC = XK_Escape; - const unsigned int keyF1 = XK_F1; - const unsigned int keyF2 = XK_F2; - const unsigned int keyF3 = XK_F3; - const unsigned int keyF4 = XK_F4; - const unsigned int keyF5 = XK_F5; - const unsigned int keyF6 = XK_F6; - const unsigned int keyF7 = XK_F7; - const unsigned int keyF8 = XK_F8; - const unsigned int keyF9 = XK_F9; - const unsigned int keyF10 = XK_F10; - const unsigned int keyF11 = XK_F11; - const unsigned int keyF12 = XK_F12; - const unsigned int keyPAUSE = XK_Pause; - const unsigned int key1 = XK_1; - const unsigned int key2 = XK_2; - const unsigned int key3 = XK_3; - const unsigned int key4 = XK_4; - const unsigned int key5 = XK_5; - const unsigned int key6 = XK_6; - const unsigned int key7 = XK_7; - const unsigned int key8 = XK_8; - const unsigned int key9 = XK_9; - const unsigned int key0 = XK_0; - const unsigned int keyBACKSPACE = XK_BackSpace; - const unsigned int keyINSERT = XK_Insert; - const unsigned int keyHOME = XK_Home; - const unsigned int keyPAGEUP = XK_Page_Up; - const unsigned int keyTAB = XK_Tab; - const unsigned int keyQ = XK_q; - const unsigned int keyW = XK_w; - const unsigned int keyE = XK_e; - const unsigned int keyR = XK_r; - const unsigned int keyT = XK_t; - const unsigned int keyY = XK_y; - const unsigned int keyU = XK_u; - const unsigned int keyI = XK_i; - const unsigned int keyO = XK_o; - const unsigned int keyP = XK_p; - const unsigned int keyDELETE = XK_Delete; - const unsigned int keyEND = XK_End; - const unsigned int keyPAGEDOWN = XK_Page_Down; - const unsigned int keyCAPSLOCK = XK_Caps_Lock; - const unsigned int keyA = XK_a; - const unsigned int keyS = XK_s; - const unsigned int keyD = XK_d; - const unsigned int keyF = XK_f; - const unsigned int keyG = XK_g; - const unsigned int keyH = XK_h; - const unsigned int keyJ = XK_j; - const unsigned int keyK = XK_k; - const unsigned int keyL = XK_l; - const unsigned int keyENTER = XK_Return; - const unsigned int keySHIFTLEFT = XK_Shift_L; - const unsigned int keyZ = XK_z; - const unsigned int keyX = XK_x; - const unsigned int keyC = XK_c; - const unsigned int keyV = XK_v; - const unsigned int keyB = XK_b; - const unsigned int keyN = XK_n; - const unsigned int keyM = XK_m; - const unsigned int keySHIFTRIGHT = XK_Shift_R; - const unsigned int keyARROWUP = XK_Up; - const unsigned int keyCTRLLEFT = XK_Control_L; - const unsigned int keyAPPLEFT = XK_Super_L; - const unsigned int keyALT = XK_Alt_L; - const unsigned int keySPACE = XK_space; - const unsigned int keyALTGR = XK_Alt_R; - const unsigned int keyAPPRIGHT = XK_Super_R; - const unsigned int keyMENU = XK_Menu; - const unsigned int keyCTRLRIGHT = XK_Control_R; - const unsigned int keyARROWLEFT = XK_Left; - const unsigned int keyARROWDOWN = XK_Down; - const unsigned int keyARROWRIGHT = XK_Right; - const unsigned int keyPAD0 = XK_KP_0; - const unsigned int keyPAD1 = XK_KP_1; - const unsigned int keyPAD2 = XK_KP_2; - const unsigned int keyPAD3 = XK_KP_3; - const unsigned int keyPAD4 = XK_KP_4; - const unsigned int keyPAD5 = XK_KP_5; - const unsigned int keyPAD6 = XK_KP_6; - const unsigned int keyPAD7 = XK_KP_7; - const unsigned int keyPAD8 = XK_KP_8; - const unsigned int keyPAD9 = XK_KP_9; - const unsigned int keyPADADD = XK_KP_Add; - const unsigned int keyPADSUB = XK_KP_Subtract; - const unsigned int keyPADMUL = XK_KP_Multiply; - const unsigned int keyPADDIV = XK_KP_Divide; - -#elif cimg_display==2 - // Define keycodes for Windows. - const unsigned int keyESC = VK_ESCAPE; - const unsigned int keyF1 = VK_F1; - const unsigned int keyF2 = VK_F2; - const unsigned int keyF3 = VK_F3; - const unsigned int keyF4 = VK_F4; - const unsigned int keyF5 = VK_F5; - const unsigned int keyF6 = VK_F6; - const unsigned int keyF7 = VK_F7; - const unsigned int keyF8 = VK_F8; - const unsigned int keyF9 = VK_F9; - const unsigned int keyF10 = VK_F10; - const unsigned int keyF11 = VK_F11; - const unsigned int keyF12 = VK_F12; - const unsigned int keyPAUSE = VK_PAUSE; - const unsigned int key1 = '1'; - const unsigned int key2 = '2'; - const unsigned int key3 = '3'; - const unsigned int key4 = '4'; - const unsigned int key5 = '5'; - const unsigned int key6 = '6'; - const unsigned int key7 = '7'; - const unsigned int key8 = '8'; - const unsigned int key9 = '9'; - const unsigned int key0 = '0'; - const unsigned int keyBACKSPACE = VK_BACK; - const unsigned int keyINSERT = VK_INSERT; - const unsigned int keyHOME = VK_HOME; - const unsigned int keyPAGEUP = VK_PRIOR; - const unsigned int keyTAB = VK_TAB; - const unsigned int keyQ = 'Q'; - const unsigned int keyW = 'W'; - const unsigned int keyE = 'E'; - const unsigned int keyR = 'R'; - const unsigned int keyT = 'T'; - const unsigned int keyY = 'Y'; - const unsigned int keyU = 'U'; - const unsigned int keyI = 'I'; - const unsigned int keyO = 'O'; - const unsigned int keyP = 'P'; - const unsigned int keyDELETE = VK_DELETE; - const unsigned int keyEND = VK_END; - const unsigned int keyPAGEDOWN = VK_NEXT; - const unsigned int keyCAPSLOCK = VK_CAPITAL; - const unsigned int keyA = 'A'; - const unsigned int keyS = 'S'; - const unsigned int keyD = 'D'; - const unsigned int keyF = 'F'; - const unsigned int keyG = 'G'; - const unsigned int keyH = 'H'; - const unsigned int keyJ = 'J'; - const unsigned int keyK = 'K'; - const unsigned int keyL = 'L'; - const unsigned int keyENTER = VK_RETURN; - const unsigned int keySHIFTLEFT = VK_SHIFT; - const unsigned int keyZ = 'Z'; - const unsigned int keyX = 'X'; - const unsigned int keyC = 'C'; - const unsigned int keyV = 'V'; - const unsigned int keyB = 'B'; - const unsigned int keyN = 'N'; - const unsigned int keyM = 'M'; - const unsigned int keySHIFTRIGHT = VK_SHIFT; - const unsigned int keyARROWUP = VK_UP; - const unsigned int keyCTRLLEFT = VK_CONTROL; - const unsigned int keyAPPLEFT = VK_LWIN; - const unsigned int keyALT = VK_LMENU; - const unsigned int keySPACE = VK_SPACE; - const unsigned int keyALTGR = VK_CONTROL; - const unsigned int keyAPPRIGHT = VK_RWIN; - const unsigned int keyMENU = VK_APPS; - const unsigned int keyCTRLRIGHT = VK_CONTROL; - const unsigned int keyARROWLEFT = VK_LEFT; - const unsigned int keyARROWDOWN = VK_DOWN; - const unsigned int keyARROWRIGHT = VK_RIGHT; - const unsigned int keyPAD0 = 0x60; - const unsigned int keyPAD1 = 0x61; - const unsigned int keyPAD2 = 0x62; - const unsigned int keyPAD3 = 0x63; - const unsigned int keyPAD4 = 0x64; - const unsigned int keyPAD5 = 0x65; - const unsigned int keyPAD6 = 0x66; - const unsigned int keyPAD7 = 0x67; - const unsigned int keyPAD8 = 0x68; - const unsigned int keyPAD9 = 0x69; - const unsigned int keyPADADD = VK_ADD; - const unsigned int keyPADSUB = VK_SUBTRACT; - const unsigned int keyPADMUL = VK_MULTIPLY; - const unsigned int keyPADDIV = VK_DIVIDE; - -#else - // Define random keycodes when no display is available. - // (should rarely be used then!). - const unsigned int keyESC = 1U; //!< Keycode for the \c ESC key (architecture-dependent). - const unsigned int keyF1 = 2U; //!< Keycode for the \c F1 key (architecture-dependent). - const unsigned int keyF2 = 3U; //!< Keycode for the \c F2 key (architecture-dependent). - const unsigned int keyF3 = 4U; //!< Keycode for the \c F3 key (architecture-dependent). - const unsigned int keyF4 = 5U; //!< Keycode for the \c F4 key (architecture-dependent). - const unsigned int keyF5 = 6U; //!< Keycode for the \c F5 key (architecture-dependent). - const unsigned int keyF6 = 7U; //!< Keycode for the \c F6 key (architecture-dependent). - const unsigned int keyF7 = 8U; //!< Keycode for the \c F7 key (architecture-dependent). - const unsigned int keyF8 = 9U; //!< Keycode for the \c F8 key (architecture-dependent). - const unsigned int keyF9 = 10U; //!< Keycode for the \c F9 key (architecture-dependent). - const unsigned int keyF10 = 11U; //!< Keycode for the \c F10 key (architecture-dependent). - const unsigned int keyF11 = 12U; //!< Keycode for the \c F11 key (architecture-dependent). - const unsigned int keyF12 = 13U; //!< Keycode for the \c F12 key (architecture-dependent). - const unsigned int keyPAUSE = 14U; //!< Keycode for the \c PAUSE key (architecture-dependent). - const unsigned int key1 = 15U; //!< Keycode for the \c 1 key (architecture-dependent). - const unsigned int key2 = 16U; //!< Keycode for the \c 2 key (architecture-dependent). - const unsigned int key3 = 17U; //!< Keycode for the \c 3 key (architecture-dependent). - const unsigned int key4 = 18U; //!< Keycode for the \c 4 key (architecture-dependent). - const unsigned int key5 = 19U; //!< Keycode for the \c 5 key (architecture-dependent). - const unsigned int key6 = 20U; //!< Keycode for the \c 6 key (architecture-dependent). - const unsigned int key7 = 21U; //!< Keycode for the \c 7 key (architecture-dependent). - const unsigned int key8 = 22U; //!< Keycode for the \c 8 key (architecture-dependent). - const unsigned int key9 = 23U; //!< Keycode for the \c 9 key (architecture-dependent). - const unsigned int key0 = 24U; //!< Keycode for the \c 0 key (architecture-dependent). - const unsigned int keyBACKSPACE = 25U; //!< Keycode for the \c BACKSPACE key (architecture-dependent). - const unsigned int keyINSERT = 26U; //!< Keycode for the \c INSERT key (architecture-dependent). - const unsigned int keyHOME = 27U; //!< Keycode for the \c HOME key (architecture-dependent). - const unsigned int keyPAGEUP = 28U; //!< Keycode for the \c PAGEUP key (architecture-dependent). - const unsigned int keyTAB = 29U; //!< Keycode for the \c TAB key (architecture-dependent). - const unsigned int keyQ = 30U; //!< Keycode for the \c Q key (architecture-dependent). - const unsigned int keyW = 31U; //!< Keycode for the \c W key (architecture-dependent). - const unsigned int keyE = 32U; //!< Keycode for the \c E key (architecture-dependent). - const unsigned int keyR = 33U; //!< Keycode for the \c R key (architecture-dependent). - const unsigned int keyT = 34U; //!< Keycode for the \c T key (architecture-dependent). - const unsigned int keyY = 35U; //!< Keycode for the \c Y key (architecture-dependent). - const unsigned int keyU = 36U; //!< Keycode for the \c U key (architecture-dependent). - const unsigned int keyI = 37U; //!< Keycode for the \c I key (architecture-dependent). - const unsigned int keyO = 38U; //!< Keycode for the \c O key (architecture-dependent). - const unsigned int keyP = 39U; //!< Keycode for the \c P key (architecture-dependent). - const unsigned int keyDELETE = 40U; //!< Keycode for the \c DELETE key (architecture-dependent). - const unsigned int keyEND = 41U; //!< Keycode for the \c END key (architecture-dependent). - const unsigned int keyPAGEDOWN = 42U; //!< Keycode for the \c PAGEDOWN key (architecture-dependent). - const unsigned int keyCAPSLOCK = 43U; //!< Keycode for the \c CAPSLOCK key (architecture-dependent). - const unsigned int keyA = 44U; //!< Keycode for the \c A key (architecture-dependent). - const unsigned int keyS = 45U; //!< Keycode for the \c S key (architecture-dependent). - const unsigned int keyD = 46U; //!< Keycode for the \c D key (architecture-dependent). - const unsigned int keyF = 47U; //!< Keycode for the \c F key (architecture-dependent). - const unsigned int keyG = 48U; //!< Keycode for the \c G key (architecture-dependent). - const unsigned int keyH = 49U; //!< Keycode for the \c H key (architecture-dependent). - const unsigned int keyJ = 50U; //!< Keycode for the \c J key (architecture-dependent). - const unsigned int keyK = 51U; //!< Keycode for the \c K key (architecture-dependent). - const unsigned int keyL = 52U; //!< Keycode for the \c L key (architecture-dependent). - const unsigned int keyENTER = 53U; //!< Keycode for the \c ENTER key (architecture-dependent). - const unsigned int keySHIFTLEFT = 54U; //!< Keycode for the \c SHIFTLEFT key (architecture-dependent). - const unsigned int keyZ = 55U; //!< Keycode for the \c Z key (architecture-dependent). - const unsigned int keyX = 56U; //!< Keycode for the \c X key (architecture-dependent). - const unsigned int keyC = 57U; //!< Keycode for the \c C key (architecture-dependent). - const unsigned int keyV = 58U; //!< Keycode for the \c V key (architecture-dependent). - const unsigned int keyB = 59U; //!< Keycode for the \c B key (architecture-dependent). - const unsigned int keyN = 60U; //!< Keycode for the \c N key (architecture-dependent). - const unsigned int keyM = 61U; //!< Keycode for the \c M key (architecture-dependent). - const unsigned int keySHIFTRIGHT = 62U; //!< Keycode for the \c SHIFTRIGHT key (architecture-dependent). - const unsigned int keyARROWUP = 63U; //!< Keycode for the \c ARROWUP key (architecture-dependent). - const unsigned int keyCTRLLEFT = 64U; //!< Keycode for the \c CTRLLEFT key (architecture-dependent). - const unsigned int keyAPPLEFT = 65U; //!< Keycode for the \c APPLEFT key (architecture-dependent). - const unsigned int keyALT = 66U; //!< Keycode for the \c ALT key (architecture-dependent). - const unsigned int keySPACE = 67U; //!< Keycode for the \c SPACE key (architecture-dependent). - const unsigned int keyALTGR = 68U; //!< Keycode for the \c ALTGR key (architecture-dependent). - const unsigned int keyAPPRIGHT = 69U; //!< Keycode for the \c APPRIGHT key (architecture-dependent). - const unsigned int keyMENU = 70U; //!< Keycode for the \c MENU key (architecture-dependent). - const unsigned int keyCTRLRIGHT = 71U; //!< Keycode for the \c CTRLRIGHT key (architecture-dependent). - const unsigned int keyARROWLEFT = 72U; //!< Keycode for the \c ARROWLEFT key (architecture-dependent). - const unsigned int keyARROWDOWN = 73U; //!< Keycode for the \c ARROWDOWN key (architecture-dependent). - const unsigned int keyARROWRIGHT = 74U; //!< Keycode for the \c ARROWRIGHT key (architecture-dependent). - const unsigned int keyPAD0 = 75U; //!< Keycode for the \c PAD0 key (architecture-dependent). - const unsigned int keyPAD1 = 76U; //!< Keycode for the \c PAD1 key (architecture-dependent). - const unsigned int keyPAD2 = 77U; //!< Keycode for the \c PAD2 key (architecture-dependent). - const unsigned int keyPAD3 = 78U; //!< Keycode for the \c PAD3 key (architecture-dependent). - const unsigned int keyPAD4 = 79U; //!< Keycode for the \c PAD4 key (architecture-dependent). - const unsigned int keyPAD5 = 80U; //!< Keycode for the \c PAD5 key (architecture-dependent). - const unsigned int keyPAD6 = 81U; //!< Keycode for the \c PAD6 key (architecture-dependent). - const unsigned int keyPAD7 = 82U; //!< Keycode for the \c PAD7 key (architecture-dependent). - const unsigned int keyPAD8 = 83U; //!< Keycode for the \c PAD8 key (architecture-dependent). - const unsigned int keyPAD9 = 84U; //!< Keycode for the \c PAD9 key (architecture-dependent). - const unsigned int keyPADADD = 85U; //!< Keycode for the \c PADADD key (architecture-dependent). - const unsigned int keyPADSUB = 86U; //!< Keycode for the \c PADSUB key (architecture-dependent). - const unsigned int keyPADMUL = 87U; //!< Keycode for the \c PADMUL key (architecture-dependent). - const unsigned int keyPADDIV = 88U; //!< Keycode for the \c PADDDIV key (architecture-dependent). -#endif - - const double PI = 3.14159265358979323846; //!< Value of the mathematical constant PI - - // Define a 12x13 font (small size). - static const char *const data_font12x13 = -" .wjwlwmyuw>wjwkwbwjwkwRxuwmwjwkwmyuwJwjwlx`w Fw mwlwlwuwnwuynwuwmyTwlwkwuwmwuwnwlwkwuwmwuw_wuxl" -"wlwkwuwnwuynwuwTwlwlwtwnwtwnw my Qw +wlw b{ \\w Wx`xTw_w[wbxawSwkw nynwkyw bwswcwkwuwjwuwozpwtwuwnwtwowkwjwmwuwuwkwIxmxuxowuwmwswowswmxnwjwhwowswowsw0wmwowswuwnwrwowswpwswowkwjwrwqw" -"rwpwkwkwtwnwkxsxqxswowswpwswnwswpwswowrwnwmwrwqwqwqwswswrwswowswjwpwlxjwkxuxLw[wcw_wSwkw mw\"wlwiw=wtwmxlwFw cwswnwuwnwkwjwswo{pwrwpwtwtwpwswby`w`yUwlw" 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0X (b GV +b JW FW ?W >W NW 0W =W 3S " -" GV 7W #U &U U " -" -X 7W \"X &UJW 6S 9W 9W " -" Bu ([ IZ La :a (T>[ $X ?W :W 1X &a GV +a " -" IW FW ?W >W NW 0W =W 3S GV 7W $V " -" 'V !V .X 6W #X %VLW " -" 5S 2p -a " -" 8XE] %Y >W :W 3Z $_ GV +_ GW FW ?W >W NW 0W =W " -" 3S GV 7W /QGW 2QGW ,QG" -"W 0Z 6W %Z %a 5S " -" 0l +a 8p +_ >W :W ;a !] G" -"V +] EW FW ?W >W NW 0W =W 3S GV 7W /` " -" 1` +` 7a 5W -a #` " -" >e '` " -" 7o *^ =W :W ;` KY GV +Y AW FW ?W >W NW 0W =W " -" 3S GV 7W /` 1` +` " -" 7` 4W -` \"_ " -" 8\\ #_ \"} 3n )^ =W :W ;` 9V " -" BW FW ?W >W NW 0W =W 'V 7W /_ " -" 0_ *_ 6` 4W -` !] " -" -] " -" } 3l '] W NW 0W =W " -" 'V 7W /^ /^ )^ " -" 5_ 3W -_ N[ " -" ,[ M} 2j &\\ ;W :W ;^ 7V BW " -" FW ?W >W NW 0W =W 7W -Y *Y " -" $Y 2^ 2W -^ LX " -" *X J} " -" /d #Z 9W :W ;\\ 5V BW FW ?W >W NW 0W =W " -" 7W " -" /\\ 0W HT " -" I} *[ NW 6W :W ;Z 3V BW FW ?W >W" -" NW 0W =W 7W " -" /Z .W " -" =} " -" " -" D" }; - - // Define a 40x38 'danger' color logo (used by cimg::dialog()). - static const unsigned char logo40x38[4576] = { - 177,200,200,200,3,123,123,0,36,200,200,200,1,123,123,0,2,255,255,0,1,189,189,189,1,0,0,0,34,200,200,200, - 1,123,123,0,4,255,255,0,1,189,189,189,1,0,0,0,1,123,123,123,32,200,200,200,1,123,123,0,5,255,255,0,1,0,0, - 0,2,123,123,123,30,200,200,200,1,123,123,0,6,255,255,0,1,189,189,189,1,0,0,0,2,123,123,123,29,200,200,200, - 1,123,123,0,7,255,255,0,1,0,0,0,2,123,123,123,28,200,200,200,1,123,123,0,8,255,255,0,1,189,189,189,1,0,0,0, - 2,123,123,123,27,200,200,200,1,123,123,0,9,255,255,0,1,0,0,0,2,123,123,123,26,200,200,200,1,123,123,0,10,255, - 255,0,1,189,189,189,1,0,0,0,2,123,123,123,25,200,200,200,1,123,123,0,3,255,255,0,1,189,189,189,3,0,0,0,1,189, - 189,189,3,255,255,0,1,0,0,0,2,123,123,123,24,200,200,200,1,123,123,0,4,255,255,0,5,0,0,0,3,255,255,0,1,189, - 189,189,1,0,0,0,2,123,123,123,23,200,200,200,1,123,123,0,4,255,255,0,5,0,0,0,4,255,255,0,1,0,0,0,2,123,123,123, - 22,200,200,200,1,123,123,0,5,255,255,0,5,0,0,0,4,255,255,0,1,189,189,189,1,0,0,0,2,123,123,123,21,200,200,200, - 1,123,123,0,5,255,255,0,5,0,0,0,5,255,255,0,1,0,0,0,2,123,123,123,20,200,200,200,1,123,123,0,6,255,255,0,5,0,0, - 0,5,255,255,0,1,189,189,189,1,0,0,0,2,123,123,123,19,200,200,200,1,123,123,0,6,255,255,0,1,123,123,0,3,0,0,0,1, - 123,123,0,6,255,255,0,1,0,0,0,2,123,123,123,18,200,200,200,1,123,123,0,7,255,255,0,1,189,189,189,3,0,0,0,1,189, - 189,189,6,255,255,0,1,189,189,189,1,0,0,0,2,123,123,123,17,200,200,200,1,123,123,0,8,255,255,0,3,0,0,0,8,255,255, - 0,1,0,0,0,2,123,123,123,16,200,200,200,1,123,123,0,9,255,255,0,1,123,123,0,1,0,0,0,1,123,123,0,8,255,255,0,1,189, - 189,189,1,0,0,0,2,123,123,123,15,200,200,200,1,123,123,0,9,255,255,0,1,189,189,189,1,0,0,0,1,189,189,189,9,255, - 255,0,1,0,0,0,2,123,123,123,14,200,200,200,1,123,123,0,11,255,255,0,1,0,0,0,10,255,255,0,1,189,189,189,1,0,0,0,2, - 123,123,123,13,200,200,200,1,123,123,0,23,255,255,0,1,0,0,0,2,123,123,123,12,200,200,200,1,123,123,0,11,255,255,0, - 1,189,189,189,2,0,0,0,1,189,189,189,9,255,255,0,1,189,189,189,1,0,0,0,2,123,123,123,11,200,200,200,1,123,123,0,11, - 255,255,0,4,0,0,0,10,255,255,0,1,0,0,0,2,123,123,123,10,200,200,200,1,123,123,0,12,255,255,0,4,0,0,0,10,255,255,0, - 1,189,189,189,1,0,0,0,2,123,123,123,9,200,200,200,1,123,123,0,12,255,255,0,1,189,189,189,2,0,0,0,1,189,189,189,11, - 255,255,0,1,0,0,0,2,123,123,123,9,200,200,200,1,123,123,0,27,255,255,0,1,0,0,0,3,123,123,123,8,200,200,200,1,123, - 123,0,26,255,255,0,1,189,189,189,1,0,0,0,3,123,123,123,9,200,200,200,1,123,123,0,24,255,255,0,1,189,189,189,1,0,0, - 0,4,123,123,123,10,200,200,200,1,123,123,0,24,0,0,0,5,123,123,123,12,200,200,200,27,123,123,123,14,200,200,200,25, - 123,123,123,86,200,200,200,91,49,124,118,124,71,32,124,95,49,56,114,52,82,121,0 }; - - //! Get/set default output stream for the \CImg library messages. - /** - \param file Desired output stream. Set to \c 0 to get the currently used output stream only. - \return Currently used output stream. - **/ - inline std::FILE* output(std::FILE *file) { - cimg::mutex(1); - static std::FILE *res = stderr; - if (file) res = file; - cimg::mutex(1,0); - return res; - } - - // Return number of available CPU cores. - inline unsigned int nb_cpus() { - unsigned int res = 1; -#if cimg_OS==2 - SYSTEM_INFO sysinfo; - GetSystemInfo(&sysinfo); - res = (unsigned int)sysinfo.dwNumberOfProcessors; -#else - res = (unsigned int)sysconf(_SC_NPROCESSORS_ONLN); -#endif - return res?res:1U; - } - - // Lock/unlock mutex for CImg multi-thread programming. - inline int mutex(const unsigned int n, const int lock_mode) { - switch (lock_mode) { - case 0 : cimg::Mutex_attr().unlock(n); return 0; - case 1 : cimg::Mutex_attr().lock(n); return 0; - default : return cimg::Mutex_attr().trylock(n); - } - } - - //! Display a warning message on the default output stream. - /** - \param format C-string containing the format of the message, as with std::printf(). - \note If configuration macro \c cimg_strict_warnings is set, this function throws a - \c CImgWarningException instead. - \warning As the first argument is a format string, it is highly recommended to write - \code - cimg::warn("%s",warning_message); - \endcode - instead of - \code - cimg::warn(warning_message); - \endcode - if \c warning_message can be arbitrary, to prevent nasty memory access. - **/ - inline void warn(const char *const format, ...) { - if (cimg::exception_mode()>=1) { - char *const message = new char[16384]; - std::va_list ap; - va_start(ap,format); - cimg_vsnprintf(message,16384,format,ap); - va_end(ap); -#ifdef cimg_strict_warnings - throw CImgWarningException(message); -#else - std::fprintf(cimg::output(),"\n%s[CImg] *** Warning ***%s%s",cimg::t_red,cimg::t_normal,message); -#endif - delete[] message; - } - } - - // Execute an external system command. - /** - \param command C-string containing the command line to execute. - \param module_name Module name. - \return Status value of the executed command, whose meaning is OS-dependent. - \note This function is similar to std::system() - but it does not open an extra console windows - on Windows-based systems. - **/ - inline int system(const char *const command, const char *const module_name=0) { - cimg::unused(module_name); -#ifdef cimg_no_system_calls - return -1; -#else -#if cimg_OS==1 - const unsigned int l = (unsigned int)std::strlen(command); - if (l) { - char *const ncommand = new char[l + 16]; - std::strncpy(ncommand,command,l); - std::strcpy(ncommand + l," 2> /dev/null"); // Make command silent. - const int out_val = std::system(ncommand); - delete[] ncommand; - return out_val; - } else return -1; -#elif cimg_OS==2 - PROCESS_INFORMATION pi; - STARTUPINFO si; - std::memset(&pi,0,sizeof(PROCESS_INFORMATION)); - std::memset(&si,0,sizeof(STARTUPINFO)); - GetStartupInfo(&si); - si.cb = sizeof(si); - si.wShowWindow = SW_HIDE; - si.dwFlags |= SW_HIDE | STARTF_USESHOWWINDOW; - const BOOL res = CreateProcess((LPCTSTR)module_name,(LPTSTR)command,0,0,FALSE,0,0,0,&si,&pi); - if (res) { - WaitForSingleObject(pi.hProcess, INFINITE); - CloseHandle(pi.hThread); - CloseHandle(pi.hProcess); - return 0; - } else return std::system(command); -#endif -#endif - } - - //! Return a reference to a temporary variable of type T. - template - inline T& temporary(const T&) { - static T temp; - return temp; - } - - //! Exchange values of variables \c a and \c b. - template - inline void swap(T& a, T& b) { T t = a; a = b; b = t; } - - //! Exchange values of variables (\c a1,\c a2) and (\c b1,\c b2). - template - inline void swap(T1& a1, T1& b1, T2& a2, T2& b2) { - cimg::swap(a1,b1); cimg::swap(a2,b2); - } - - //! Exchange values of variables (\c a1,\c a2,\c a3) and (\c b1,\c b2,\c b3). - template - inline void swap(T1& a1, T1& b1, T2& a2, T2& b2, T3& a3, T3& b3) { - cimg::swap(a1,b1,a2,b2); cimg::swap(a3,b3); - } - - //! Exchange values of variables (\c a1,\c a2,...,\c a4) and (\c b1,\c b2,...,\c b4). - template - inline void swap(T1& a1, T1& b1, T2& a2, T2& b2, T3& a3, T3& b3, T4& a4, T4& b4) { - cimg::swap(a1,b1,a2,b2,a3,b3); cimg::swap(a4,b4); - } - - //! Exchange values of variables (\c a1,\c a2,...,\c a5) and (\c b1,\c b2,...,\c b5). - template - inline void swap(T1& a1, T1& b1, T2& a2, T2& b2, T3& a3, T3& b3, T4& a4, T4& b4, T5& a5, T5& b5) { - cimg::swap(a1,b1,a2,b2,a3,b3,a4,b4); cimg::swap(a5,b5); - } - - //! Exchange values of variables (\c a1,\c a2,...,\c a6) and (\c b1,\c b2,...,\c b6). - template - inline void swap(T1& a1, T1& b1, T2& a2, T2& b2, T3& a3, T3& b3, T4& a4, T4& b4, T5& a5, T5& b5, T6& a6, T6& b6) { - cimg::swap(a1,b1,a2,b2,a3,b3,a4,b4,a5,b5); cimg::swap(a6,b6); - } - - //! Exchange values of variables (\c a1,\c a2,...,\c a7) and (\c b1,\c b2,...,\c b7). - template - inline void swap(T1& a1, T1& b1, T2& a2, T2& b2, T3& a3, T3& b3, T4& a4, T4& b4, T5& a5, T5& b5, T6& a6, T6& b6, - T7& a7, T7& b7) { - cimg::swap(a1,b1,a2,b2,a3,b3,a4,b4,a5,b5,a6,b6); cimg::swap(a7,b7); - } - - //! Exchange values of variables (\c a1,\c a2,...,\c a8) and (\c b1,\c b2,...,\c b8). - template - inline void swap(T1& a1, T1& b1, T2& a2, T2& b2, T3& a3, T3& b3, T4& a4, T4& b4, T5& a5, T5& b5, T6& a6, T6& b6, - T7& a7, T7& b7, T8& a8, T8& b8) { - cimg::swap(a1,b1,a2,b2,a3,b3,a4,b4,a5,b5,a6,b6,a7,b7); cimg::swap(a8,b8); - } - - //! Return the endianness of the current architecture. - /** - \return \c false for Little Endian or \c true for Big Endian. - **/ - inline bool endianness() { - const int x = 1; - return ((unsigned char*)&x)[0]?false:true; - } - - //! Reverse endianness of all elements in a memory buffer. - /** - \param[in,out] buffer Memory buffer whose endianness must be reversed. - \param size Number of buffer elements to reverse. - **/ - template - inline void invert_endianness(T* const buffer, const unsigned long size) { - if (size) switch (sizeof(T)) { - case 1 : break; - case 2 : { for (unsigned short *ptr = (unsigned short*)buffer + size; ptr>(unsigned short*)buffer; ) { - const unsigned short val = *(--ptr); - *ptr = (unsigned short)((val>>8)|((val<<8))); - } - } break; - case 4 : { for (unsigned int *ptr = (unsigned int*)buffer + size; ptr>(unsigned int*)buffer; ) { - const unsigned int val = *(--ptr); - *ptr = (val>>24)|((val>>8)&0xff00)|((val<<8)&0xff0000)|(val<<24); - } - } break; - default : { for (T* ptr = buffer + size; ptr>buffer; ) { - unsigned char *pb = (unsigned char*)(--ptr), *pe = pb + sizeof(T); - for (int i = 0; i<(int)sizeof(T)/2; ++i) swap(*(pb++),*(--pe)); - } - } - } - } - - //! Reverse endianness of a single variable. - /** - \param[in,out] a Variable to reverse. - \return Reference to reversed variable. - **/ - template - inline T& invert_endianness(T& a) { - invert_endianness(&a,1); - return a; - } - - // Conversion functions to get more precision when trying to store unsigned ints values as floats. - inline unsigned int float2uint(const float f) { - int tmp = 0; - std::memcpy(&tmp,&f,sizeof(float)); - if (tmp>=0) return (unsigned int)f; - unsigned int u; - // use memcpy instead of assignment to avoid undesired optimizations by C++-compiler. - std::memcpy(&u,&f,sizeof(float)); - return ((u)<<1)>>1; // set sign bit to 0. - } - - inline float uint2float(const unsigned int u) { - if (u<(1U<<19)) return (float)u; // Consider safe storage of unsigned int as floats until 19bits (i.e 524287). - float f; - const unsigned int v = u|(1U<<(8*sizeof(unsigned int)-1)); // set sign bit to 1. - // use memcpy instead of simple assignment to avoid undesired optimizations by C++-compiler. - std::memcpy(&f,&v,sizeof(float)); - return f; - } - - //! Return the value of a system timer, with a millisecond precision. - /** - \note The timer does not necessarily starts from \c 0. - **/ - inline unsigned long time() { -#if cimg_OS==1 - struct timeval st_time; - gettimeofday(&st_time,0); - return (unsigned long)(st_time.tv_usec/1000 + st_time.tv_sec*1000); -#elif cimg_OS==2 - SYSTEMTIME st_time; - GetLocalTime(&st_time); - return (unsigned long)(st_time.wMilliseconds + 1000*(st_time.wSecond + 60*(st_time.wMinute + 60*st_time.wHour))); -#else - return 0; -#endif - } - - // Implement a tic/toc mechanism to display elapsed time of algorithms. - inline unsigned long tictoc(const bool is_tic); - - //! Start tic/toc timer for time measurement between code instructions. - /** - \return Current value of the timer (same value as time()). - **/ - inline unsigned long tic() { - return cimg::tictoc(true); - } - - //! End tic/toc timer and displays elapsed time from last call to tic(). - /** - \return Time elapsed (in ms) since last call to tic(). - **/ - inline unsigned long toc() { - return cimg::tictoc(false); - } - - //! Sleep for a given numbers of milliseconds. - /** - \param milliseconds Number of milliseconds to wait for. - \note This function frees the CPU ressources during the sleeping time. - It can be used to temporize your program properly, without wasting CPU time. - **/ - inline void sleep(const unsigned int milliseconds) { -#if cimg_OS==1 - struct timespec tv; - tv.tv_sec = milliseconds/1000; - tv.tv_nsec = (milliseconds%1000)*1000000; - nanosleep(&tv,0); -#elif cimg_OS==2 - Sleep(milliseconds); -#endif - } - - inline unsigned int _wait(const unsigned int milliseconds, unsigned long& timer) { - if (!timer) timer = cimg::time(); - const unsigned long current_time = cimg::time(); - if (current_time>=timer + milliseconds) { timer = current_time; return 0; } - const unsigned long time_diff = timer + milliseconds - current_time; - timer = current_time + time_diff; - cimg::sleep(time_diff); - return (unsigned int)time_diff; - } - - //! Wait for a given number of milliseconds since the last call to wait(). - /** - \param milliseconds Number of milliseconds to wait for. - \return Number of milliseconds elapsed since the last call to wait(). - \note Same as sleep() with a waiting time computed with regard to the last call - of wait(). It may be used to temporize your program properly, without wasting CPU time. - **/ - inline unsigned int wait(const unsigned int milliseconds) { - cimg::mutex(3); - static unsigned long timer = 0; - if (!timer) timer = cimg::time(); - cimg::mutex(3,0); - return _wait(milliseconds,timer); - } - - // Random number generators. - // CImg may use its own Random Number Generator (RNG) if configuration macro 'cimg_use_rng' is set. - // Use it for instance when you have to deal with concurrent threads trying to call std::srand() - // at the same time! -#ifdef cimg_use_rng - -#include - - // Use a custom RNG. - inline unsigned int _rand(const unsigned int seed=0, const bool set_seed=false) { - static unsigned long next = 0xB16B00B5; - cimg::mutex(4); - if (set_seed) next = (unsigned long)seed; - next = next*1103515245 + 12345U; - cimg::mutex(4,0); - return (unsigned int)(next&0xFFFFFFU); - } - - inline void srand() { - const unsigned int t = (unsigned int)cimg::time(); -#if cimg_OS==1 - cimg::_rand(t + (unsigned int)getpid(),true); -#elif cimg_OS==2 - cimg::_rand(t + (unsigned int)_getpid(),true); -#else - cimg::_rand(t,true); -#endif - } - - inline void srand(const unsigned int seed) { - _rand(seed,true); - } - - inline double rand(const double val_min, const double val_max) { - const double val = cimg::_rand()/16777215.; - return val_min + (val_max - val_min)*val; - } - -#else - - // Use the system RNG. - inline void srand() { - const unsigned int t = (unsigned int)cimg::time(); -#if cimg_OS==1 - std::srand(t + (unsigned int)getpid()); -#elif cimg_OS==2 - std::srand(t + (unsigned int)_getpid()); -#else - std::srand(t); -#endif - } - - inline void srand(const unsigned int seed) { - std::srand(seed); - } - - //! Return a random variable uniformely distributed between [val_min,val_max]. - /** - **/ - inline double rand(const double val_min, const double val_max) { - const double val = (double)std::rand()/RAND_MAX; - return val_min + (val_max - val_min)*val; - } -#endif - - //! Return a random variable uniformely distributed between [0,val_max]. - /** - **/ - inline double rand(const double val_max=1) { - return cimg::rand(0,val_max); - } - - //! Return a random variable following a gaussian distribution and a standard deviation of 1. - /** - **/ - inline double grand() { - double x1, w; - do { - const double x2 = cimg::rand(-1,1); - x1 = cimg::rand(-1,1); - w = x1*x1 + x2*x2; - } while (w<=0 || w>=1.0); - return x1*std::sqrt((-2*std::log(w))/w); - } - - //! Return a random variable following a Poisson distribution of parameter z. - /** - **/ - inline unsigned int prand(const double z) { - if (z<=1.0e-10) return 0; - if (z>100) return (unsigned int)((std::sqrt(z) * cimg::grand()) + z); - unsigned int k = 0; - const double y = std::exp(-z); - for (double s = 1.0; s>=y; ++k) s*=cimg::rand(); - return k - 1; - } - - //! Bitwise-rotate value on the left. - template - inline T rol(const T& a, const unsigned int n=1) { - return n?(T)((a<>((sizeof(T)<<3) - n))):a; - } - - inline float rol(const float a, const unsigned int n=1) { - return (float)rol((int)a,n); - } - - inline double rol(const double a, const unsigned int n=1) { - return (double)rol((long)a,n); - } - - inline double rol(const long double a, const unsigned int n=1) { - return (double)rol((long)a,n); - } - - //! Bitwise-rotate value on the right. - template - inline T ror(const T& a, const unsigned int n=1) { - return n?(T)((a>>n)|(a<<((sizeof(T)<<3) - n))):a; - } - - inline float ror(const float a, const unsigned int n=1) { - return (float)ror((int)a,n); - } - - inline double ror(const double a, const unsigned int n=1) { - return (double)ror((long)a,n); - } - - inline double ror(const long double a, const unsigned int n=1) { - return (double)ror((long)a,n); - } - - //! Return absolute value of a value. - template - inline T abs(const T& a) { - return a>=0?a:-a; - } - inline bool abs(const bool a) { - return a; - } - inline unsigned char abs(const unsigned char a) { - return a; - } - inline unsigned short abs(const unsigned short a) { - return a; - } - inline unsigned int abs(const unsigned int a) { - return a; - } - inline unsigned long abs(const unsigned long a) { - return a; - } - inline double abs(const double a) { - return std::fabs(a); - } - inline float abs(const float a) { - return (float)std::fabs((double)a); - } - inline int abs(const int a) { - return std::abs(a); - } - - //! Return square of a value. - template - inline T sqr(const T& val) { - return val*val; - } - - //! Return 1 + log_10(x) of a value \c x. - inline int xln(const int x) { - return x>0?(int)(1 + std::log10((double)x)):1; - } - - //! Return the minimum between two values. - template - inline typename cimg::superset::type min(const t1& a, const t2& b) { - typedef typename cimg::superset::type t1t2; - return (t1t2)(a<=b?a:b); - } - - //! Return the minimum between three values. - template - inline typename cimg::superset2::type min(const t1& a, const t2& b, const t3& c) { - typedef typename cimg::superset2::type t1t2t3; - return (t1t2t3)cimg::min(cimg::min(a,b),c); - } - - //! Return the minimum between four values. - template - inline typename cimg::superset3::type min(const t1& a, const t2& b, const t3& c, const t4& d) { - typedef typename cimg::superset3::type t1t2t3t4; - return (t1t2t3t4)cimg::min(cimg::min(a,b,c),d); - } - - //! Return the maximum between two values. - template - inline typename cimg::superset::type max(const t1& a, const t2& b) { - typedef typename cimg::superset::type t1t2; - return (t1t2)(a>=b?a:b); - } - - //! Return the maximum between three values. - template - inline typename cimg::superset2::type max(const t1& a, const t2& b, const t3& c) { - typedef typename cimg::superset2::type t1t2t3; - return (t1t2t3)cimg::max(cimg::max(a,b),c); - } - - //! Return the maximum between four values. - template - inline typename cimg::superset3::type max(const t1& a, const t2& b, const t3& c, const t4& d) { - typedef typename cimg::superset3::type t1t2t3t4; - return (t1t2t3t4)cimg::max(cimg::max(a,b,c),d); - } - - //! Return the sign of a value. - template - inline T sign(const T& x) { - return (x<0)?(T)(-1):(x==0?(T)0:(T)1); - } - - //! Return the nearest power of 2 higher than given value. - template - inline unsigned long nearest_pow2(const T& x) { - unsigned long i = 1; - while (x>i) i<<=1; - return i; - } - - //! Return the sinc of a given value. - inline double sinc(const double x) { - return x?std::sin(x)/x:1; - } - - //! Return the modulo of a value. - /** - \param x Input value. - \param m Modulo value. - \note This modulo function accepts negative and floating-points modulo numbers, as well as variables of any type. - **/ - template - inline T mod(const T& x, const T& m) { - const double dx = (double)x, dm = (double)m; - return (T)(dx - dm * std::floor(dx / dm)); - } - inline int mod(const bool x, const bool m) { - return m?(x?1:0):0; - } - inline int mod(const char x, const char m) { -#if defined(CHAR_MAX) && CHAR_MAX==255 - return x%m; -#else - return x>=0?x%m:(x%m?m + x%m:0); -#endif - } - inline int mod(const short x, const short m) { - return x>=0?x%m:(x%m?m + x%m:0); - } - inline int mod(const int x, const int m) { - return x>=0?x%m:(x%m?m + x%m:0); - } - inline int mod(const long x, const long m) { - return x>=0?x%m:(x%m?m + x%m:0); - } - inline int mod(const unsigned char x, const unsigned char m) { - return x%m; - } - inline int mod(const unsigned short x, const unsigned short m) { - return x%m; - } - inline int mod(const unsigned int x, const unsigned int m) { - return (int)(x%m); - } - inline int mod(const unsigned long x, const unsigned long m) { - return (long)(x%m); - } - - //! Return the min-mod of two values. - /** - \note minmod(\p a,\p b) is defined to be: - - minmod(\p a,\p b) = min(\p a,\p b), if \p a and \p b have the same sign. - - minmod(\p a,\p b) = 0, if \p a and \p b have different signs. - **/ - template - inline T minmod(const T& a, const T& b) { - return a*b<=0?0:(a>0?(a - inline T round(const T& x, const double y=1, const int rounding_type=0) { - if (y<=0) return x; - const double sx = (double)x/y, floor = std::floor(sx), delta = sx - floor; - return (T)(y*(rounding_type<0?floor:rounding_type>0?std::ceil(sx):delta<0.5?floor:std::ceil(sx))); - } - - inline double _pythagore(double a, double b) { - const double absa = cimg::abs(a), absb = cimg::abs(b); - if (absa>absb) { const double tmp = absb/absa; return absa*std::sqrt(1.0 + tmp*tmp); } - else { const double tmp = absa/absb; return absb==0?0:absb*std::sqrt(1.0 + tmp*tmp); } - } - - //! Return sqrt(x^2 + y^2). - inline double hypot(const double x, const double y) { - double nx = cimg::abs(x), ny = cimg::abs(y), t; - if (nx0) { t/=nx; return nx*std::sqrt(1+t*t); } - return 0; - } - - //! Convert ascii character to lower case. - inline char uncase(const char x) { - return (char)((x<'A'||x>'Z')?x:x - 'A' + 'a'); - } - - //! Convert C-string to lower case. - inline void uncase(char *const str) { - if (str) for (char *ptr = str; *ptr; ++ptr) *ptr = uncase(*ptr); - } - - //! Read value in a C-string. - /** - \param str C-string containing the float value to read. - \return Read value. - \note Same as std::atof() extended to manage the retrieval of fractions from C-strings, - as in "1/2". - **/ - inline double atof(const char *const str) { - double x = 0, y = 1; - return str && cimg_sscanf(str,"%lf/%lf",&x,&y)>0?x/y:0; - } - - //! Compare the first \p l characters of two C-strings, ignoring the case. - /** - \param str1 C-string. - \param str2 C-string. - \param l Number of characters to compare. - \return \c 0 if the two strings are equal, something else otherwise. - \note This function has to be defined since it is not provided by all C++-compilers (not ANSI). - **/ - inline int strncasecmp(const char *const str1, const char *const str2, const int l) { - if (!l) return 0; - if (!str1) return str2?-1:0; - const char *nstr1 = str1, *nstr2 = str2; - int k, diff = 0; for (k = 0; kp && str[q]==delimiter; ) { --q; if (!is_iterative) break; } - } - const int n = q - p + 1; - if (n!=l) { std::memmove(str,str + p,(unsigned int)n); str[n] = 0; return true; } - return false; - } - - //! Replace reserved characters (for Windows filename) by another character. - /** - \param[in,out] str C-string to work with (modified at output). - \param[in] c Replacement character. - **/ - inline void strwindows_reserved(char *const str, const char c='_') { - for (char *s = str; *s; ++s) { - const char i = *s; - if (i=='<' || i=='>' || i==':' || i=='\"' || i=='/' || i=='\\' || i=='|' || i=='?' || i=='*') *s = c; - } - } - - //! Replace escape sequences in C-strings by their binary ascii values. - /** - \param[in,out] str C-string to work with (modified at output). - **/ - inline void strunescape(char *const str) { -#define cimg_strunescape(ci,co) case ci : *nd = co; ++ns; break; - unsigned int val = 0; - for (char *ns = str, *nd = str; *ns || (bool)(*nd=0); ++nd) if (*ns=='\\') switch (*(++ns)) { - cimg_strunescape('a','\a'); - cimg_strunescape('b','\b'); - cimg_strunescape('e',0x1B); - cimg_strunescape('f','\f'); - cimg_strunescape('n','\n'); - cimg_strunescape('r','\r'); - cimg_strunescape('t','\t'); - cimg_strunescape('v','\v'); - cimg_strunescape('\\','\\'); - cimg_strunescape('\'','\''); - cimg_strunescape('\"','\"'); - cimg_strunescape('\?','\?'); - case 0 : *nd = 0; break; - case '0' : case '1' : case '2' : case '3' : case '4' : case '5' : case '6' : case '7' : - cimg_sscanf(ns,"%o",&val); while (*ns>='0' && *ns<='7') ++ns; - *nd = (char)val; break; - case 'x' : - cimg_sscanf(++ns,"%x",&val); - while ((*ns>='0' && *ns<='9') || (*ns>='a' && *ns<='f') || (*ns>='A' && *ns<='F')) ++ns; - *nd = (char)val; break; - default : *nd = *(ns++); - } else *nd = *(ns++); - } - - // Return a temporary string describing the size of a memory buffer. - inline const char *strbuffersize(const unsigned long size); - - // Return string that identifies the running OS. - inline const char *stros() { -#if defined(linux) || defined(__linux) || defined(__linux__) - static const char *const str = "Linux"; -#elif defined(sun) || defined(__sun) - static const char *const str = "Sun OS"; -#elif defined(BSD) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined (__DragonFly__) - static const char *const str = "BSD"; -#elif defined(sgi) || defined(__sgi) - static const char *const str = "Irix"; -#elif defined(__MACOSX__) || defined(__APPLE__) - static const char *const str = "Mac OS"; -#elif defined(unix) || defined(__unix) || defined(__unix__) - static const char *const str = "Generic Unix"; -#elif defined(_MSC_VER) || defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || \ - defined(WIN64) || defined(_WIN64) || defined(__WIN64__) - static const char *const str = "Windows"; -#else - const char - *const _str1 = std::getenv("OSTYPE"), - *const _str2 = _str1?_str1:std::getenv("OS"), - *const str = _str2?_str2:"Unknown OS"; -#endif - return str; - } - - //! Return the basename of a filename. - inline const char* basename(const char *const s, const char separator=cimg_file_separator) { - const char *p = 0, *np = s; - while (np>=s && (p=np)) np = std::strchr(np,separator) + 1; - return p; - } - - // Return a random filename. - inline const char* filenamerand() { - cimg::mutex(6); - static char randomid[9]; - cimg::srand(); - for (unsigned int k = 0; k<8; ++k) { - const int v = (int)cimg::rand(65535)%3; - randomid[k] = (char)(v==0?('0' + ((int)cimg::rand(65535)%10)): - (v==1?('a' + ((int)cimg::rand(65535)%26)):('A' + ((int)cimg::rand(65535)%26)))); - } - cimg::mutex(6,0); - return randomid; - } - - // Convert filename as a Windows-style filename (short path name). - inline void winformat_string(char *const str) { - if (str && *str) { -#if cimg_OS==2 - char *const nstr = new char[MAX_PATH]; - if (GetShortPathNameA(str,nstr,MAX_PATH)) std::strcpy(str,nstr); - delete[] nstr; -#endif - } - } - - //! Open a file. - /** - \param path Path of the filename to open. - \param mode C-string describing the opening mode. - \return Opened file. - \note Same as std::fopen() but throw a \c CImgIOException when - the specified file cannot be opened, instead of returning \c 0. - **/ - inline std::FILE *fopen(const char *const path, const char *const mode) { - if (!path) - throw CImgArgumentException("cimg::fopen(): Specified file path is (null)."); - if (!mode) - throw CImgArgumentException("cimg::fopen(): File '%s', specified mode is (null).", - path); - std::FILE *res = 0; - if (*path=='-' && (!path[1] || path[1]=='.')) { - res = (*mode=='r')?stdin:stdout; -#if cimg_OS==2 - if (*mode && mode[1]=='b') { // Force stdin/stdout to be in binary mode. - if (_setmode(_fileno(res),0x8000)==-1) res = 0; - } -#endif - } else res = std::fopen(path,mode); - if (!res) throw CImgIOException("cimg::fopen(): Failed to open file '%s' with mode '%s'.", - path,mode); - return res; - } - - //! Close a file. - /** - \param file File to close. - \return \c 0 if file has been closed properly, something else otherwise. - \note Same as std::fclose() but display a warning message if - the file has not been closed properly. - **/ - inline int fclose(std::FILE *file) { - if (!file) warn("cimg::fclose(): Specified file is (null)."); - if (!file || file==stdin || file==stdout) return 0; - const int errn = std::fclose(file); - if (errn!=0) warn("cimg::fclose(): Error code %d returned during file closing.", - errn); - return errn; - } - - //! Check if a path is a directory. - /** - \param path Specified path to test. - **/ - inline bool is_directory(const char *const path) { - if (!path || !*path) return false; -#if cimg_OS==1 - struct stat st_buf; - return (!stat(path,&st_buf) && S_ISDIR(st_buf.st_mode)); -#elif cimg_OS==2 - const unsigned int res = (unsigned int)GetFileAttributesA(path); - return res==INVALID_FILE_ATTRIBUTES?false:(res&16); -#endif - } - - //! Check if a path is a file. - /** - \param path Specified path to test. - **/ - inline bool is_file(const char *const path) { - if (!path || !*path) return false; - std::FILE *const file = std::fopen(path,"rb"); - if (!file) return false; - std::fclose(file); - return !is_directory(path); - } - - //! Get last write time of a given file or directory. - /** - \param path Specified path to get attributes from. - \param attr Type of requested time attribute. - Can be { 0=year | 1=month | 2=day | 3=day of week | 4=hour | 5=minute | 6=second } - \return -1 if requested attribute could not be read. - **/ - inline int fdate(const char *const path, const unsigned int attr) { - int res = -1; - if (!path || !*path || attr>6) return -1; - cimg::mutex(6); -#if cimg_OS==2 - HANDLE file = CreateFileA(path,GENERIC_READ,0,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0); - if (file!=INVALID_HANDLE_VALUE) { - FILETIME _ft; - SYSTEMTIME ft; - if (GetFileTime(file,0,0,&_ft) && FileTimeToSystemTime(&_ft,&ft)) - res = (int)(attr==0?ft.wYear:attr==1?ft.wMonth:attr==2?ft.wDay:attr==3?ft.wDayOfWeek: - attr==4?ft.wHour:attr==5?ft.wMinute:ft.wSecond); - CloseHandle(file); - } -#else - struct stat st_buf; - if (!stat(path,&st_buf)) { - const time_t _ft = st_buf.st_mtime; - const struct tm& ft = *std::localtime(&_ft); - res = (int)(attr==0?ft.tm_year + 1900:attr==1?ft.tm_mon + 1:attr==2?ft.tm_mday:attr==3?ft.tm_wday: - attr==4?ft.tm_hour:attr==5?ft.tm_min:ft.tm_sec); - } -#endif - cimg::mutex(6,0); - return res; - } - - //! Get current local time. - /** - \param attr Type of requested time attribute. - Can be { 0=year | 1=month | 2=day | 3=day of week | 4=hour | 5=minute | 6=second } - **/ - inline int date(const unsigned int attr) { - int res; - cimg::mutex(6); -#if cimg_OS==2 - SYSTEMTIME st; - GetLocalTime(&st); - res = (int)(attr==0?st.wYear:attr==1?st.wMonth:attr==2?st.wDay:attr==3?st.wDayOfWeek: - attr==4?st.wHour:attr==5?st.wMinute:st.wSecond); -#else - time_t _st; - std::time(&_st); - struct tm *st = std::localtime(&_st); - res = (int)(attr==0?st->tm_year + 1900:attr==1?st->tm_mon + 1:attr==2?st->tm_mday:attr==3?st->tm_wday: - attr==4?st->tm_hour:attr==5?st->tm_min:st->tm_sec); -#endif - cimg::mutex(6,0); - return res; - } - - // Get/set path to store temporary files. - inline const char* temporary_path(const char *const user_path=0, const bool reinit_path=false); - - // Get/set path to the Program Files/ directory (Windows only). -#if cimg_OS==2 - inline const char* programfiles_path(const char *const user_path=0, const bool reinit_path=false); -#endif - - // Get/set path to the ImageMagick's \c convert binary. - inline const char* imagemagick_path(const char *const user_path=0, const bool reinit_path=false); - - // Get/set path to the GraphicsMagick's \c gm binary. - inline const char* graphicsmagick_path(const char *const user_path=0, const bool reinit_path=false); - - // Get/set path to the XMedcon's \c medcon binary. - inline const char* medcon_path(const char *const user_path=0, const bool reinit_path=false); - - // Get/set path to the FFMPEG's \c ffmpeg binary. - inline const char *ffmpeg_path(const char *const user_path=0, const bool reinit_path=false); - - // Get/set path to the \c gzip binary. - inline const char *gzip_path(const char *const user_path=0, const bool reinit_path=false); - - // Get/set path to the \c gunzip binary. - inline const char *gunzip_path(const char *const user_path=0, const bool reinit_path=false); - - // Get/set path to the \c dcraw binary. - inline const char *dcraw_path(const char *const user_path=0, const bool reinit_path=false); - - // Get/set path to the \c wget binary. - inline const char *wget_path(const char *const user_path=0, const bool reinit_path=false); - - // Get/set path to the \c curl binary. - inline const char *curl_path(const char *const user_path=0, const bool reinit_path=false); - - //! Split filename into two C-strings \c body and \c extension. - /** - filename and body must not overlap! - **/ - inline const char *split_filename(const char *const filename, char *const body=0) { - if (!filename) { if (body) *body = 0; return 0; } - const char *p = 0; for (const char *np = filename; np>=filename && (p=np); np = std::strchr(np,'.') + 1) {} - if (p==filename) { - if (body) std::strcpy(body,filename); - return filename + std::strlen(filename); - } - const unsigned int l = (unsigned int)(p - filename - 1); - if (body) { if (l) std::memcpy(body,filename,l); body[l] = 0; } - return p; - } - - //! Generate a numbered version of a filename. - inline char* number_filename(const char *const filename, const int number, - const unsigned int digits, char *const str) { - if (!filename) { if (str) *str = 0; return 0; } - char *const format = new char[1024], *const body = new char[1024]; - const char *const ext = cimg::split_filename(filename,body); - if (*ext) cimg_snprintf(format,1024,"%%s_%%.%ud.%%s",digits); - else cimg_snprintf(format,1024,"%%s_%%.%ud",digits); - cimg_sprintf(str,format,body,number,ext); - delete[] format; delete[] body; - return str; - } - - //! Read data from file. - /** - \param[out] ptr Pointer to memory buffer that will contain the binary data read from file. - \param nmemb Number of elements to read. - \param stream File to read data from. - \return Number of read elements. - \note Same as std::fread() but may display warning message if all elements could not be read. - **/ - template - inline int fread(T *const ptr, const unsigned long nmemb, std::FILE *stream) { - if (!ptr || !stream) - throw CImgArgumentException("cimg::fread(): Invalid reading request of %u %s%s from file %p to buffer %p.", - nmemb,cimg::type::string(),nmemb>1?"s":"",stream,ptr); - if (!nmemb) return 0; - const unsigned long wlimitT = 63*1024*1024, wlimit = wlimitT/sizeof(T); - unsigned long to_read = nmemb, al_read = 0, l_to_read = 0, l_al_read = 0; - do { - l_to_read = (to_read*sizeof(T))0); - if (to_read>0) - warn("cimg::fread(): Only %u/%u elements could be read from file.", - al_read,nmemb); - return (int)al_read; - } - - //! Write data to file. - /** - \param ptr Pointer to memory buffer containing the binary data to write on file. - \param nmemb Number of elements to write. - \param[out] stream File to write data on. - \return Number of written elements. - \note Similar to std::fwrite but may display warning messages if all elements could not be written. - **/ - template - inline int fwrite(const T *ptr, const unsigned long nmemb, std::FILE *stream) { - if (!ptr || !stream) - throw CImgArgumentException("cimg::fwrite(): Invalid writing request of %u %s%s from buffer %p to file %p.", - nmemb,cimg::type::string(),nmemb>1?"s":"",ptr,stream); - if (!nmemb) return 0; - const unsigned long wlimitT = 63*1024*1024, wlimit = wlimitT/sizeof(T); - unsigned long to_write = nmemb, al_write = 0, l_to_write = 0, l_al_write = 0; - do { - l_to_write = (to_write*sizeof(T))0); - if (to_write>0) - warn("cimg::fwrite(): Only %u/%u elements could be written in file.", - al_write,nmemb); - return (int)al_write; - } - - //! Create an empty file. - /** - \param file Input file (can be \c 0 if \c filename is set). - \param filename Filename, as a C-string (can be \c 0 if \c file is set). - **/ - inline void fempty(std::FILE *const file, const char *const filename) { - if (!file && !filename) - throw CImgArgumentException("cimg::fempty(): Specified filename is (null)."); - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - if (!file) cimg::fclose(nfile); - } - - // Try to guess format from an image file. - inline const char *ftype(std::FILE *const file, const char *const filename); - - // Load file from network as a local temporary file. - inline char *load_network(const char *const url, char *const filename_local, - const unsigned int timeout=0, const bool try_fallback=false, - const char *const referer=0); - - //! Return options specified on the command line. - inline const char* option(const char *const name, const int argc, const char *const *const argv, - const char *const defaut, const char *const usage, const bool reset_static) { - static bool first = true, visu = false; - if (reset_static) { first = true; return 0; } - const char *res = 0; - if (first) { - first = false; - visu = cimg::option("-h",argc,argv,(char*)0,(char*)0,false)!=0; - visu |= cimg::option("-help",argc,argv,(char*)0,(char*)0,false)!=0; - visu |= cimg::option("--help",argc,argv,(char*)0,(char*)0,false)!=0; - } - if (!name && visu) { - if (usage) { - std::fprintf(cimg::output(),"\n %s%s%s",cimg::t_red,cimg::basename(argv[0]),cimg::t_normal); - std::fprintf(cimg::output(),": %s",usage); - std::fprintf(cimg::output()," (%s, %s)\n\n",__DATE__,__TIME__); - } - if (defaut) std::fprintf(cimg::output(),"%s\n",defaut); - } - if (name) { - if (argc>0) { - int k = 0; - while (k Operating System: %s%-13s%s %s('cimg_OS'=%d)%s\n", - cimg::t_bold, - cimg_OS==1?"Unix":(cimg_OS==2?"Windows":"Unknow"), - cimg::t_normal,cimg::t_green, - cimg_OS, - cimg::t_normal); - - std::fprintf(cimg::output()," > CPU endianness: %s%s Endian%s\n", - cimg::t_bold, - cimg::endianness()?"Big":"Little", - cimg::t_normal); - - std::fprintf(cimg::output()," > Verbosity mode: %s%-13s%s %s('cimg_verbosity'=%d)%s\n", - cimg::t_bold, - cimg_verbosity==0?"Quiet": - cimg_verbosity==1?"Console": - cimg_verbosity==2?"Dialog": - cimg_verbosity==3?"Console+Warnings":"Dialog+Warnings", - cimg::t_normal,cimg::t_green, - cimg_verbosity, - cimg::t_normal); - - std::fprintf(cimg::output()," > Stricts warnings: %s%-13s%s %s('cimg_strict_warnings' %s)%s\n", - cimg::t_bold, -#ifdef cimg_strict_warnings - "Yes",cimg::t_normal,cimg::t_green,"defined", -#else - "No",cimg::t_normal,cimg::t_green,"undefined", -#endif - cimg::t_normal); - - std::fprintf(cimg::output()," > Using VT100 messages: %s%-13s%s %s('cimg_use_vt100' %s)%s\n", - cimg::t_bold, -#ifdef cimg_use_vt100 - "Yes",cimg::t_normal,cimg::t_green,"defined", -#else - "No",cimg::t_normal,cimg::t_green,"undefined", -#endif - cimg::t_normal); - - std::fprintf(cimg::output()," > Display type: %s%-13s%s %s('cimg_display'=%d)%s\n", - cimg::t_bold, - cimg_display==0?"No display":cimg_display==1?"X11":cimg_display==2?"Windows GDI":"Unknown", - cimg::t_normal,cimg::t_green, - cimg_display, - cimg::t_normal); - -#if cimg_display==1 - std::fprintf(cimg::output()," > Using XShm for X11: %s%-13s%s %s('cimg_use_xshm' %s)%s\n", - cimg::t_bold, -#ifdef cimg_use_xshm - "Yes",cimg::t_normal,cimg::t_green,"defined", -#else - "No",cimg::t_normal,cimg::t_green,"undefined", -#endif - cimg::t_normal); - - std::fprintf(cimg::output()," > Using XRand for X11: %s%-13s%s %s('cimg_use_xrandr' %s)%s\n", - cimg::t_bold, -#ifdef cimg_use_xrandr - "Yes",cimg::t_normal,cimg::t_green,"defined", -#else - "No",cimg::t_normal,cimg::t_green,"undefined", -#endif - cimg::t_normal); -#endif - std::fprintf(cimg::output()," > Using OpenMP: %s%-13s%s %s('cimg_use_openmp' %s)%s\n", - cimg::t_bold, -#ifdef cimg_use_openmp - "Yes",cimg::t_normal,cimg::t_green,"defined", -#else - "No",cimg::t_normal,cimg::t_green,"undefined", -#endif - cimg::t_normal); - std::fprintf(cimg::output()," > Using PNG library: %s%-13s%s %s('cimg_use_png' %s)%s\n", - cimg::t_bold, -#ifdef cimg_use_png - "Yes",cimg::t_normal,cimg::t_green,"defined", -#else - "No",cimg::t_normal,cimg::t_green,"undefined", -#endif - cimg::t_normal); - std::fprintf(cimg::output()," > Using JPEG library: %s%-13s%s %s('cimg_use_jpeg' %s)%s\n", - cimg::t_bold, -#ifdef cimg_use_jpeg - "Yes",cimg::t_normal,cimg::t_green,"defined", -#else - "No",cimg::t_normal,cimg::t_green,"undefined", -#endif - cimg::t_normal); - - std::fprintf(cimg::output()," > Using TIFF library: %s%-13s%s %s('cimg_use_tiff' %s)%s\n", - cimg::t_bold, -#ifdef cimg_use_tiff - "Yes",cimg::t_normal,cimg::t_green,"defined", -#else - "No",cimg::t_normal,cimg::t_green,"undefined", -#endif - cimg::t_normal); - - std::fprintf(cimg::output()," > Using Magick++ library: %s%-13s%s %s('cimg_use_magick' %s)%s\n", - cimg::t_bold, -#ifdef cimg_use_magick - "Yes",cimg::t_normal,cimg::t_green,"defined", -#else - "No",cimg::t_normal,cimg::t_green,"undefined", -#endif - cimg::t_normal); - - std::fprintf(cimg::output()," > Using FFTW3 library: %s%-13s%s %s('cimg_use_fftw3' %s)%s\n", - cimg::t_bold, -#ifdef cimg_use_fftw3 - "Yes",cimg::t_normal,cimg::t_green,"defined", -#else - "No",cimg::t_normal,cimg::t_green,"undefined", -#endif - cimg::t_normal); - - std::fprintf(cimg::output()," > Using LAPACK library: %s%-13s%s %s('cimg_use_lapack' %s)%s\n", - cimg::t_bold, -#ifdef cimg_use_lapack - "Yes",cimg::t_normal,cimg::t_green,"defined", -#else - "No",cimg::t_normal,cimg::t_green,"undefined", -#endif - cimg::t_normal); - - char *const tmp = new char[1024]; - cimg_snprintf(tmp,1024,"\"%.1020s\"",cimg::imagemagick_path()); - std::fprintf(cimg::output()," > Path of ImageMagick: %s%-13s%s\n", - cimg::t_bold, - tmp, - cimg::t_normal); - - cimg_snprintf(tmp,1024,"\"%.1020s\"",cimg::graphicsmagick_path()); - std::fprintf(cimg::output()," > Path of GraphicsMagick: %s%-13s%s\n", - cimg::t_bold, - tmp, - cimg::t_normal); - - cimg_snprintf(tmp,1024,"\"%.1020s\"",cimg::medcon_path()); - std::fprintf(cimg::output()," > Path of 'medcon': %s%-13s%s\n", - cimg::t_bold, - tmp, - cimg::t_normal); - - cimg_snprintf(tmp,1024,"\"%.1020s\"",cimg::temporary_path()); - std::fprintf(cimg::output()," > Temporary path: %s%-13s%s\n", - cimg::t_bold, - tmp, - cimg::t_normal); - - std::fprintf(cimg::output(),"\n"); - delete[] tmp; - } - - // Declare LAPACK function signatures if LAPACK support is enabled. -#ifdef cimg_use_lapack - template - inline void getrf(int &N, T *lapA, int *IPIV, int &INFO) { - dgetrf_(&N,&N,lapA,&N,IPIV,&INFO); - } - - inline void getrf(int &N, float *lapA, int *IPIV, int &INFO) { - sgetrf_(&N,&N,lapA,&N,IPIV,&INFO); - } - - template - inline void getri(int &N, T *lapA, int *IPIV, T* WORK, int &LWORK, int &INFO) { - dgetri_(&N,lapA,&N,IPIV,WORK,&LWORK,&INFO); - } - - inline void getri(int &N, float *lapA, int *IPIV, float* WORK, int &LWORK, int &INFO) { - sgetri_(&N,lapA,&N,IPIV,WORK,&LWORK,&INFO); - } - - template - inline void gesvd(char &JOB, int &M, int &N, T *lapA, int &MN, - T *lapS, T *lapU, T *lapV, T *WORK, int &LWORK, int &INFO) { - dgesvd_(&JOB,&JOB,&M,&N,lapA,&MN,lapS,lapU,&M,lapV,&N,WORK,&LWORK,&INFO); - } - - inline void gesvd(char &JOB, int &M, int &N, float *lapA, int &MN, - float *lapS, float *lapU, float *lapV, float *WORK, int &LWORK, int &INFO) { - sgesvd_(&JOB,&JOB,&M,&N,lapA,&MN,lapS,lapU,&M,lapV,&N,WORK,&LWORK,&INFO); - } - - template - inline void getrs(char &TRANS, int &N, T *lapA, int *IPIV, T *lapB, int &INFO) { - int one = 1; - dgetrs_(&TRANS,&N,&one,lapA,&N,IPIV,lapB,&N,&INFO); - } - - inline void getrs(char &TRANS, int &N, float *lapA, int *IPIV, float *lapB, int &INFO) { - int one = 1; - sgetrs_(&TRANS,&N,&one,lapA,&N,IPIV,lapB,&N,&INFO); - } - - template - inline void syev(char &JOB, char &UPLO, int &N, T *lapA, T *lapW, T *WORK, int &LWORK, int &INFO) { - dsyev_(&JOB,&UPLO,&N,lapA,&N,lapW,WORK,&LWORK,&INFO); - } - - inline void syev(char &JOB, char &UPLO, int &N, float *lapA, float *lapW, float *WORK, int &LWORK, int &INFO) { - ssyev_(&JOB,&UPLO,&N,lapA,&N,lapW,WORK,&LWORK,&INFO); - } - - template - inline void sgels(char & TRANS, int &M, int &N, int &NRHS, T* lapA, int &LDA, - T* lapB, int &LDB, T* WORK, int &LWORK, int &INFO){ - dgels_(&TRANS, &M, &N, &NRHS, lapA, &LDA, lapB, &LDB, WORK, &LWORK, &INFO); - } - - inline void sgels(char & TRANS, int &M, int &N, int &NRHS, float* lapA, int &LDA, - float* lapB, int &LDB, float* WORK, int &LWORK, int &INFO){ - sgels_(&TRANS, &M, &N, &NRHS, lapA, &LDA, lapB, &LDB, WORK, &LWORK, &INFO); - } - -#endif - - // End of the 'cimg' namespace - } - - /*------------------------------------------------ - # - # - # Definition of mathematical operators and - # external functions. - # - # - -------------------------------------------------*/ - -#define _cimg_create_ext_operators(typ) \ - template \ - inline CImg::type> operator+(const typ val, const CImg& img) { \ - return img + val; \ - } \ - template \ - inline CImg::type> operator-(const typ val, const CImg& img) { \ - typedef typename cimg::superset::type Tt; \ - return CImg(img._width,img._height,img._depth,img._spectrum,val)-=img; \ - } \ - template \ - inline CImg::type> operator*(const typ val, const CImg& img) { \ - return img*val; \ - } \ - template \ - inline CImg::type> operator/(const typ val, const CImg& img) { \ - return val*img.get_invert(); \ - } \ - template \ - inline CImg::type> operator&(const typ val, const CImg& img) { \ - return img & val; \ - } \ - template \ - inline CImg::type> operator|(const typ val, const CImg& img) { \ - return img | val; \ - } \ - template \ - inline CImg::type> operator^(const typ val, const CImg& img) { \ - return img ^ val; \ - } \ - template \ - inline bool operator==(const typ val, const CImg& img) { \ - return img == val; \ - } \ - template \ - inline bool operator!=(const typ val, const CImg& img) { \ - return img != val; \ - } - - _cimg_create_ext_operators(bool) - _cimg_create_ext_operators(unsigned char) - _cimg_create_ext_operators(char) - _cimg_create_ext_operators(signed char) - _cimg_create_ext_operators(unsigned short) - _cimg_create_ext_operators(short) - _cimg_create_ext_operators(unsigned int) - _cimg_create_ext_operators(int) - _cimg_create_ext_operators(unsigned long) - _cimg_create_ext_operators(long) - _cimg_create_ext_operators(float) - _cimg_create_ext_operators(double) - _cimg_create_ext_operators(long double) - - template - inline CImg<_cimg_Tfloat> operator+(const char *const expression, const CImg& img) { - return img + expression; - } - - template - inline CImg<_cimg_Tfloat> operator-(const char *const expression, const CImg& img) { - return CImg<_cimg_Tfloat>(img,false).fill(expression,true)-=img; - } - - template - inline CImg<_cimg_Tfloat> operator*(const char *const expression, const CImg& img) { - return img*expression; - } - - template - inline CImg<_cimg_Tfloat> operator/(const char *const expression, const CImg& img) { - return expression*img.get_invert(); - } - - template - inline CImg operator&(const char *const expression, const CImg& img) { - return img & expression; - } - - template - inline CImg operator|(const char *const expression, const CImg& img) { - return img | expression; - } - - template - inline CImg operator^(const char *const expression, const CImg& img) { - return img ^ expression; - } - - template - inline bool operator==(const char *const expression, const CImg& img) { - return img==expression; - } - - template - inline bool operator!=(const char *const expression, const CImg& img) { - return img!=expression; - } - - template - inline CImg<_cimg_Tfloat> sqr(const CImg& instance) { - return instance.get_sqr(); - } - - template - inline CImg<_cimg_Tfloat> sqrt(const CImg& instance) { - return instance.get_sqrt(); - } - - template - inline CImg<_cimg_Tfloat> exp(const CImg& instance) { - return instance.get_exp(); - } - - template - inline CImg<_cimg_Tfloat> log(const CImg& instance) { - return instance.get_log(); - } - - template - inline CImg<_cimg_Tfloat> log2(const CImg& instance) { - return instance.get_log2(); - } - - template - inline CImg<_cimg_Tfloat> log10(const CImg& instance) { - return instance.get_log10(); - } - - template - inline CImg<_cimg_Tfloat> abs(const CImg& instance) { - return instance.get_abs(); - } - - template - inline CImg<_cimg_Tfloat> sign(const CImg& instance) { - return instance.get_sign(); - } - - template - inline CImg<_cimg_Tfloat> cos(const CImg& instance) { - return instance.get_cos(); - } - - template - inline CImg<_cimg_Tfloat> sin(const CImg& instance) { - return instance.get_sin(); - } - - template - inline CImg<_cimg_Tfloat> sinc(const CImg& instance) { - return instance.get_sinc(); - } - - template - inline CImg<_cimg_Tfloat> tan(const CImg& instance) { - return instance.get_tan(); - } - - template - inline CImg<_cimg_Tfloat> acos(const CImg& instance) { - return instance.get_acos(); - } - - template - inline CImg<_cimg_Tfloat> asin(const CImg& instance) { - return instance.get_asin(); - } - - template - inline CImg<_cimg_Tfloat> atan(const CImg& instance) { - return instance.get_atan(); - } - - template - inline CImg<_cimg_Tfloat> cosh(const CImg& instance) { - return instance.get_cosh(); - } - - template - inline CImg<_cimg_Tfloat> sinh(const CImg& instance) { - return instance.get_sinh(); - } - - template - inline CImg<_cimg_Tfloat> tanh(const CImg& instance) { - return instance.get_tanh(); - } - - template - inline CImg transpose(const CImg& instance) { - return instance.get_transpose(); - } - - template - inline CImg<_cimg_Tfloat> invert(const CImg& instance) { - return instance.get_invert(); - } - - template - inline CImg<_cimg_Tfloat> pseudoinvert(const CImg& instance) { - return instance.get_pseudoinvert(); - } - - /*----------------------------------- - # - # Define the CImgDisplay structure - # - ----------------------------------*/ - //! Allow the creation of windows, display images on them and manage user events (keyboard, mouse and windows events). - /** - CImgDisplay methods rely on a low-level graphic library to perform: it can be either \b X-Window - (X11, for Unix-based systems) or \b GDI32 (for Windows-based systems). - If both libraries are missing, CImgDisplay will not be able to display images on screen, and will enter - a minimal mode where warning messages will be outputed each time the program is trying to call one of the - CImgDisplay method. - - The configuration variable \c cimg_display tells about the graphic library used. - It is set automatically by \CImg when one of these graphic libraries has been detected. - But, you can override its value if necessary. Valid choices are: - - 0: Disable display capabilities. - - 1: Use \b X-Window (X11) library. - - 2: Use \b GDI32 library. - - Remember to link your program against \b X11 or \b GDI32 libraries if you use CImgDisplay. - **/ - struct CImgDisplay { - unsigned long _timer, _fps_frames, _fps_timer; - unsigned int _width, _height, _normalization; - float _fps_fps, _min, _max; - bool _is_fullscreen; - char *_title; - unsigned int _window_width, _window_height, _button, *_keys, *_released_keys; - int _window_x, _window_y, _mouse_x, _mouse_y, _wheel; - bool _is_closed, _is_resized, _is_moved, _is_event, - _is_keyESC, _is_keyF1, _is_keyF2, _is_keyF3, _is_keyF4, _is_keyF5, _is_keyF6, _is_keyF7, - _is_keyF8, _is_keyF9, _is_keyF10, _is_keyF11, _is_keyF12, _is_keyPAUSE, _is_key1, _is_key2, - _is_key3, _is_key4, _is_key5, _is_key6, _is_key7, _is_key8, _is_key9, _is_key0, - _is_keyBACKSPACE, _is_keyINSERT, _is_keyHOME, _is_keyPAGEUP, _is_keyTAB, _is_keyQ, _is_keyW, _is_keyE, - _is_keyR, _is_keyT, _is_keyY, _is_keyU, _is_keyI, _is_keyO, _is_keyP, _is_keyDELETE, - _is_keyEND, _is_keyPAGEDOWN, _is_keyCAPSLOCK, _is_keyA, _is_keyS, _is_keyD, _is_keyF, _is_keyG, - _is_keyH, _is_keyJ, _is_keyK, _is_keyL, _is_keyENTER, _is_keySHIFTLEFT, _is_keyZ, _is_keyX, - _is_keyC, _is_keyV, _is_keyB, _is_keyN, _is_keyM, _is_keySHIFTRIGHT, _is_keyARROWUP, _is_keyCTRLLEFT, - _is_keyAPPLEFT, _is_keyALT, _is_keySPACE, _is_keyALTGR, _is_keyAPPRIGHT, _is_keyMENU, _is_keyCTRLRIGHT, - _is_keyARROWLEFT, _is_keyARROWDOWN, _is_keyARROWRIGHT, _is_keyPAD0, _is_keyPAD1, _is_keyPAD2, _is_keyPAD3, - _is_keyPAD4, _is_keyPAD5, _is_keyPAD6, _is_keyPAD7, _is_keyPAD8, _is_keyPAD9, _is_keyPADADD, _is_keyPADSUB, - _is_keyPADMUL, _is_keyPADDIV; - - //@} - //--------------------------- - // - //! \name Plugins - //@{ - //--------------------------- - -#ifdef cimgdisplay_plugin -#include cimgdisplay_plugin -#endif -#ifdef cimgdisplay_plugin1 -#include cimgdisplay_plugin1 -#endif -#ifdef cimgdisplay_plugin2 -#include cimgdisplay_plugin2 -#endif -#ifdef cimgdisplay_plugin3 -#include cimgdisplay_plugin3 -#endif -#ifdef cimgdisplay_plugin4 -#include cimgdisplay_plugin4 -#endif -#ifdef cimgdisplay_plugin5 -#include cimgdisplay_plugin5 -#endif -#ifdef cimgdisplay_plugin6 -#include cimgdisplay_plugin6 -#endif -#ifdef cimgdisplay_plugin7 -#include cimgdisplay_plugin7 -#endif -#ifdef cimgdisplay_plugin8 -#include cimgdisplay_plugin8 -#endif - - //@} - //-------------------------------------------------------- - // - //! \name Constructors / Destructor / Instance Management - //@{ - //-------------------------------------------------------- - - //! Destructor. - /** - \note If the associated window is visible on the screen, it is closed by the call to the destructor. - **/ - ~CImgDisplay() { - assign(); - delete[] _keys; - delete[] _released_keys; - } - - //! Construct an empty display. - /** - \note Constructing an empty CImgDisplay instance does not make a window appearing on the screen, until - display of valid data is performed. - \par Example - \code - CImgDisplay disp; // Does actually nothing. - ... - disp.display(img); // Construct new window and display image in it. - \endcode - **/ - CImgDisplay(): - _width(0),_height(0),_normalization(0), - _min(0),_max(0), - _is_fullscreen(false), - _title(0), - _window_width(0),_window_height(0),_button(0), - _keys(new unsigned int[128]),_released_keys(new unsigned int[128]), - _window_x(0),_window_y(0),_mouse_x(-1),_mouse_y(-1),_wheel(0), - _is_closed(true),_is_resized(false),_is_moved(false),_is_event(false) { - assign(); - } - - //! Construct a display with specified dimensions. - /** \param width Window width. - \param height Window height. - \param title Window title. - \param normalization Normalization type - (0=none, 1=always, 2=once, 3=pixel type-dependent, see normalization()). - \param is_fullscreen Tells if fullscreen mode is enabled. - \param is_closed Tells if associated window is initially visible or not. - \note A black background is initially displayed on the associated window. - **/ - CImgDisplay(const unsigned int width, const unsigned int height, - const char *const title=0, const unsigned int normalization=3, - const bool is_fullscreen=false, const bool is_closed=false): - _width(0),_height(0),_normalization(0), - _min(0),_max(0), - _is_fullscreen(false), - _title(0), - _window_width(0),_window_height(0),_button(0), - _keys(new unsigned int[128]),_released_keys(new unsigned int[128]), - _window_x(0),_window_y(0),_mouse_x(-1),_mouse_y(-1),_wheel(0), - _is_closed(true),_is_resized(false),_is_moved(false),_is_event(false) { - assign(width,height,title,normalization,is_fullscreen,is_closed); - } - - //! Construct a display from an image. - /** \param img Image used as a model to create the window. - \param title Window title. - \param normalization Normalization type - (0=none, 1=always, 2=once, 3=pixel type-dependent, see normalization()). - \param is_fullscreen Tells if fullscreen mode is enabled. - \param is_closed Tells if associated window is initially visible or not. - \note The pixels of the input image are initially displayed on the associated window. - **/ - template - explicit CImgDisplay(const CImg& img, - const char *const title=0, const unsigned int normalization=3, - const bool is_fullscreen=false, const bool is_closed=false): - _width(0),_height(0),_normalization(0), - _min(0),_max(0), - _is_fullscreen(false), - _title(0), - _window_width(0),_window_height(0),_button(0), - _keys(new unsigned int[128]),_released_keys(new unsigned int[128]), - _window_x(0),_window_y(0),_mouse_x(-1),_mouse_y(-1),_wheel(0), - _is_closed(true),_is_resized(false),_is_moved(false),_is_event(false) { - assign(img,title,normalization,is_fullscreen,is_closed); - } - - //! Construct a display from an image list. - /** \param list The images list to display. - \param title Window title. - \param normalization Normalization type - (0=none, 1=always, 2=once, 3=pixel type-dependent, see normalization()). - \param is_fullscreen Tells if fullscreen mode is enabled. - \param is_closed Tells if associated window is initially visible or not. - \note All images of the list, appended along the X-axis, are initially displayed on the associated window. - **/ - template - explicit CImgDisplay(const CImgList& list, - const char *const title=0, const unsigned int normalization=3, - const bool is_fullscreen=false, const bool is_closed=false): - _width(0),_height(0),_normalization(0), - _min(0),_max(0), - _is_fullscreen(false), - _title(0), - _window_width(0),_window_height(0),_button(0), - _keys(new unsigned int[128]),_released_keys(new unsigned int[128]), - _window_x(0),_window_y(0),_mouse_x(-1),_mouse_y(-1),_wheel(0), - _is_closed(true),_is_resized(false),_is_moved(false),_is_event(false) { - assign(list,title,normalization,is_fullscreen,is_closed); - } - - //! Construct a display as a copy of an existing one. - /** - \param disp Display instance to copy. - \note The pixel buffer of the input window is initially displayed on the associated window. - **/ - CImgDisplay(const CImgDisplay& disp): - _width(0),_height(0),_normalization(0), - _min(0),_max(0), - _is_fullscreen(false), - _title(0), - _window_width(0),_window_height(0),_button(0), - _keys(new unsigned int[128]),_released_keys(new unsigned int[128]), - _window_x(0),_window_y(0),_mouse_x(-1),_mouse_y(-1),_wheel(0), - _is_closed(true),_is_resized(false),_is_moved(false),_is_event(false) { - assign(disp); - } - -#if cimg_display==0 - - static void _no_display_exception() { - throw CImgDisplayException("CImgDisplay(): No display available."); - } - - //! Destructor - Empty constructor \inplace. - /** - \note Replace the current instance by an empty display. - **/ - CImgDisplay& assign() { - return flush(); - } - - //! Construct a display with specified dimensions \inplace. - /** - **/ - CImgDisplay& assign(const unsigned int width, const unsigned int height, - const char *const title=0, const unsigned int normalization=3, - const bool is_fullscreen=false, const bool is_closed=false) { - cimg::unused(width,height,title,normalization,is_fullscreen,is_closed); - _no_display_exception(); - return assign(); - } - - //! Construct a display from an image \inplace. - /** - **/ - template - CImgDisplay& assign(const CImg& img, - const char *const title=0, const unsigned int normalization=3, - const bool is_fullscreen=false, const bool is_closed=false) { - _no_display_exception(); - return assign(img._width,img._height,title,normalization,is_fullscreen,is_closed); - } - - //! Construct a display from an image list \inplace. - /** - **/ - template - CImgDisplay& assign(const CImgList& list, - const char *const title=0, const unsigned int normalization=3, - const bool is_fullscreen=false, const bool is_closed=false) { - _no_display_exception(); - return assign(list._width,list._width,title,normalization,is_fullscreen,is_closed); - } - - //! Construct a display as a copy of another one \inplace. - /** - **/ - CImgDisplay& assign(const CImgDisplay &disp) { - _no_display_exception(); - return assign(disp._width,disp._height); - } - -#endif - - //! Return a reference to an empty display. - /** - \note Can be useful for writing function prototypes where one of the argument (of type CImgDisplay&) - must have a default value. - \par Example - \code - void foo(CImgDisplay& disp=CImgDisplay::empty()); - \endcode - **/ - static CImgDisplay& empty() { - static CImgDisplay _empty; - return _empty.assign(); - } - - //! Return a reference to an empty display \const. - static const CImgDisplay& const_empty() { - static const CImgDisplay _empty; - return _empty; - } - -#define cimg_fitscreen(dx,dy,dz) CImgDisplay::_fitscreen(dx,dy,dz,128,-85,false), \ - CImgDisplay::_fitscreen(dx,dy,dz,128,-85,true) - static unsigned int _fitscreen(const unsigned int dx, const unsigned int dy, const unsigned int dz, - const int dmin, const int dmax,const bool return_y) { - const unsigned int _nw = dx + (dz>1?dz:0), _nh = dy + (dz>1?dz:0); - unsigned int nw = _nw?_nw:1, nh = _nh?_nh:1; - const unsigned int - sw = (unsigned int)CImgDisplay::screen_width(), - sh = (unsigned int)CImgDisplay::screen_height(), - mw = dmin<0?(unsigned int)(sw*-dmin/100):(unsigned int)dmin, - mh = dmin<0?(unsigned int)(sh*-dmin/100):(unsigned int)dmin, - Mw = dmax<0?(unsigned int)(sw*-dmax/100):(unsigned int)dmax, - Mh = dmax<0?(unsigned int)(sh*-dmax/100):(unsigned int)dmax; - if (nwMw) { nh = nh*Mw/nw; nh+=(nh==0?1:0); nw = Mw; } - if (nh>Mh) { nw = nw*Mh/nh; nw+=(nw==0?1:0); nh = Mh; } - if (nwdisp = img is equivalent to disp.display(img). - **/ - template - CImgDisplay& operator=(const CImg& img) { - return display(img); - } - - //! Display list of images on associated window. - /** - \note disp = list is equivalent to disp.display(list). - **/ - template - CImgDisplay& operator=(const CImgList& list) { - return display(list); - } - - //! Construct a display as a copy of another one \inplace. - /** - \note Equivalent to assign(const CImgDisplay&). - **/ - CImgDisplay& operator=(const CImgDisplay& disp) { - return assign(disp); - } - - //! Return \c false if display is empty, \c true otherwise. - /** - \note if (disp) { ... } is equivalent to if (!disp.is_empty()) { ... }. - **/ - operator bool() const { - return !is_empty(); - } - - //@} - //------------------------------------------ - // - //! \name Instance Checking - //@{ - //------------------------------------------ - - //! Return \c true if display is empty, \c false otherwise. - /** - **/ - bool is_empty() const { - return !(_width && _height); - } - - //! Return \c true if display is closed (i.e. not visible on the screen), \c false otherwise. - /** - \note - - When a user physically closes the associated window, the display is set to closed. - - A closed display is not destroyed. Its associated window can be show again on the screen using show(). - **/ - bool is_closed() const { - return _is_closed; - } - - //! Return \c true if associated window has been resized on the screen, \c false otherwise. - /** - **/ - bool is_resized() const { - return _is_resized; - } - - //! Return \c true if associated window has been moved on the screen, \c false otherwise. - /** - **/ - bool is_moved() const { - return _is_moved; - } - - //! Return \c true if any event has occured on the associated window, \c false otherwise. - /** - **/ - bool is_event() const { - return _is_event; - } - - //! Return \c true if current display is in fullscreen mode, \c false otherwise. - /** - **/ - bool is_fullscreen() const { - return _is_fullscreen; - } - - //! Return \c true if any key is being pressed on the associated window, \c false otherwise. - /** - \note The methods below do the same only for specific keys. - **/ - bool is_key() const { - return _is_keyESC || _is_keyF1 || _is_keyF2 || _is_keyF3 || - _is_keyF4 || _is_keyF5 || _is_keyF6 || _is_keyF7 || - _is_keyF8 || _is_keyF9 || _is_keyF10 || _is_keyF11 || - _is_keyF12 || _is_keyPAUSE || _is_key1 || _is_key2 || - _is_key3 || _is_key4 || _is_key5 || _is_key6 || - _is_key7 || _is_key8 || _is_key9 || _is_key0 || - _is_keyBACKSPACE || _is_keyINSERT || _is_keyHOME || - _is_keyPAGEUP || _is_keyTAB || _is_keyQ || _is_keyW || - _is_keyE || _is_keyR || _is_keyT || _is_keyY || - _is_keyU || _is_keyI || _is_keyO || _is_keyP || - _is_keyDELETE || _is_keyEND || _is_keyPAGEDOWN || - _is_keyCAPSLOCK || _is_keyA || _is_keyS || _is_keyD || - _is_keyF || _is_keyG || _is_keyH || _is_keyJ || - _is_keyK || _is_keyL || _is_keyENTER || - _is_keySHIFTLEFT || _is_keyZ || _is_keyX || _is_keyC || - _is_keyV || _is_keyB || _is_keyN || _is_keyM || - _is_keySHIFTRIGHT || _is_keyARROWUP || _is_keyCTRLLEFT || - _is_keyAPPLEFT || _is_keyALT || _is_keySPACE || _is_keyALTGR || - _is_keyAPPRIGHT || _is_keyMENU || _is_keyCTRLRIGHT || - _is_keyARROWLEFT || _is_keyARROWDOWN || _is_keyARROWRIGHT || - _is_keyPAD0 || _is_keyPAD1 || _is_keyPAD2 || - _is_keyPAD3 || _is_keyPAD4 || _is_keyPAD5 || - _is_keyPAD6 || _is_keyPAD7 || _is_keyPAD8 || - _is_keyPAD9 || _is_keyPADADD || _is_keyPADSUB || - _is_keyPADMUL || _is_keyPADDIV; - } - - //! Return \c true if key specified by given keycode is being pressed on the associated window, \c false otherwise. - /** - \param keycode Keycode to test. - \note Keycode constants are defined in the cimg namespace and are architecture-dependent. Use them to ensure - your code stay portable (see cimg::keyESC). - \par Example - \code - CImgDisplay disp(400,400); - while (!disp.is_closed()) { - if (disp.key(cimg::keyTAB)) { ... } // Equivalent to 'if (disp.is_keyTAB())'. - disp.wait(); - } - \endcode - **/ - bool is_key(const unsigned int keycode) const { -#define _cimg_iskey_test(k) if (keycode==cimg::key##k) return _is_key##k; - _cimg_iskey_test(ESC); _cimg_iskey_test(F1); _cimg_iskey_test(F2); _cimg_iskey_test(F3); - _cimg_iskey_test(F4); _cimg_iskey_test(F5); _cimg_iskey_test(F6); _cimg_iskey_test(F7); - _cimg_iskey_test(F8); _cimg_iskey_test(F9); _cimg_iskey_test(F10); _cimg_iskey_test(F11); - _cimg_iskey_test(F12); _cimg_iskey_test(PAUSE); _cimg_iskey_test(1); _cimg_iskey_test(2); - _cimg_iskey_test(3); _cimg_iskey_test(4); _cimg_iskey_test(5); _cimg_iskey_test(6); - _cimg_iskey_test(7); _cimg_iskey_test(8); _cimg_iskey_test(9); _cimg_iskey_test(0); - _cimg_iskey_test(BACKSPACE); _cimg_iskey_test(INSERT); _cimg_iskey_test(HOME); - _cimg_iskey_test(PAGEUP); _cimg_iskey_test(TAB); _cimg_iskey_test(Q); _cimg_iskey_test(W); - _cimg_iskey_test(E); _cimg_iskey_test(R); _cimg_iskey_test(T); _cimg_iskey_test(Y); - _cimg_iskey_test(U); _cimg_iskey_test(I); _cimg_iskey_test(O); _cimg_iskey_test(P); - _cimg_iskey_test(DELETE); _cimg_iskey_test(END); _cimg_iskey_test(PAGEDOWN); - _cimg_iskey_test(CAPSLOCK); _cimg_iskey_test(A); _cimg_iskey_test(S); _cimg_iskey_test(D); - _cimg_iskey_test(F); _cimg_iskey_test(G); _cimg_iskey_test(H); _cimg_iskey_test(J); - _cimg_iskey_test(K); _cimg_iskey_test(L); _cimg_iskey_test(ENTER); - _cimg_iskey_test(SHIFTLEFT); _cimg_iskey_test(Z); _cimg_iskey_test(X); _cimg_iskey_test(C); - _cimg_iskey_test(V); _cimg_iskey_test(B); _cimg_iskey_test(N); _cimg_iskey_test(M); - _cimg_iskey_test(SHIFTRIGHT); _cimg_iskey_test(ARROWUP); _cimg_iskey_test(CTRLLEFT); - _cimg_iskey_test(APPLEFT); _cimg_iskey_test(ALT); _cimg_iskey_test(SPACE); _cimg_iskey_test(ALTGR); - _cimg_iskey_test(APPRIGHT); _cimg_iskey_test(MENU); _cimg_iskey_test(CTRLRIGHT); - _cimg_iskey_test(ARROWLEFT); _cimg_iskey_test(ARROWDOWN); _cimg_iskey_test(ARROWRIGHT); - _cimg_iskey_test(PAD0); _cimg_iskey_test(PAD1); _cimg_iskey_test(PAD2); - _cimg_iskey_test(PAD3); _cimg_iskey_test(PAD4); _cimg_iskey_test(PAD5); - _cimg_iskey_test(PAD6); _cimg_iskey_test(PAD7); _cimg_iskey_test(PAD8); - _cimg_iskey_test(PAD9); _cimg_iskey_test(PADADD); _cimg_iskey_test(PADSUB); - _cimg_iskey_test(PADMUL); _cimg_iskey_test(PADDIV); - return false; - } - - //! Return \c true if key specified by given keycode is being pressed on the associated window, \c false otherwise. - /** - \param keycode C-string containing the keycode label of the key to test. - \note Use it when the key you want to test can be dynamically set by the user. - \par Example - \code - CImgDisplay disp(400,400); - const char *const keycode = "TAB"; - while (!disp.is_closed()) { - if (disp.is_key(keycode)) { ... } // Equivalent to 'if (disp.is_keyTAB())'. - disp.wait(); - } - \endcode - **/ - bool& is_key(const char *const keycode) { - static bool f = false; - f = false; -#define _cimg_iskey_test2(k) if (!cimg::strcasecmp(keycode,#k)) return _is_key##k; - _cimg_iskey_test2(ESC); _cimg_iskey_test2(F1); _cimg_iskey_test2(F2); _cimg_iskey_test2(F3); - _cimg_iskey_test2(F4); _cimg_iskey_test2(F5); _cimg_iskey_test2(F6); _cimg_iskey_test2(F7); - _cimg_iskey_test2(F8); _cimg_iskey_test2(F9); _cimg_iskey_test2(F10); _cimg_iskey_test2(F11); - _cimg_iskey_test2(F12); _cimg_iskey_test2(PAUSE); _cimg_iskey_test2(1); _cimg_iskey_test2(2); - _cimg_iskey_test2(3); _cimg_iskey_test2(4); _cimg_iskey_test2(5); _cimg_iskey_test2(6); - _cimg_iskey_test2(7); _cimg_iskey_test2(8); _cimg_iskey_test2(9); _cimg_iskey_test2(0); - _cimg_iskey_test2(BACKSPACE); _cimg_iskey_test2(INSERT); _cimg_iskey_test2(HOME); - _cimg_iskey_test2(PAGEUP); _cimg_iskey_test2(TAB); _cimg_iskey_test2(Q); _cimg_iskey_test2(W); - _cimg_iskey_test2(E); _cimg_iskey_test2(R); _cimg_iskey_test2(T); _cimg_iskey_test2(Y); - _cimg_iskey_test2(U); _cimg_iskey_test2(I); _cimg_iskey_test2(O); _cimg_iskey_test2(P); - _cimg_iskey_test2(DELETE); _cimg_iskey_test2(END); _cimg_iskey_test2(PAGEDOWN); - _cimg_iskey_test2(CAPSLOCK); _cimg_iskey_test2(A); _cimg_iskey_test2(S); _cimg_iskey_test2(D); - _cimg_iskey_test2(F); _cimg_iskey_test2(G); _cimg_iskey_test2(H); _cimg_iskey_test2(J); - _cimg_iskey_test2(K); _cimg_iskey_test2(L); _cimg_iskey_test2(ENTER); - _cimg_iskey_test2(SHIFTLEFT); _cimg_iskey_test2(Z); _cimg_iskey_test2(X); _cimg_iskey_test2(C); - _cimg_iskey_test2(V); _cimg_iskey_test2(B); _cimg_iskey_test2(N); _cimg_iskey_test2(M); - _cimg_iskey_test2(SHIFTRIGHT); _cimg_iskey_test2(ARROWUP); _cimg_iskey_test2(CTRLLEFT); - _cimg_iskey_test2(APPLEFT); _cimg_iskey_test2(ALT); _cimg_iskey_test2(SPACE); _cimg_iskey_test2(ALTGR); - _cimg_iskey_test2(APPRIGHT); _cimg_iskey_test2(MENU); _cimg_iskey_test2(CTRLRIGHT); - _cimg_iskey_test2(ARROWLEFT); _cimg_iskey_test2(ARROWDOWN); _cimg_iskey_test2(ARROWRIGHT); - _cimg_iskey_test2(PAD0); _cimg_iskey_test2(PAD1); _cimg_iskey_test2(PAD2); - _cimg_iskey_test2(PAD3); _cimg_iskey_test2(PAD4); _cimg_iskey_test2(PAD5); - _cimg_iskey_test2(PAD6); _cimg_iskey_test2(PAD7); _cimg_iskey_test2(PAD8); - _cimg_iskey_test2(PAD9); _cimg_iskey_test2(PADADD); _cimg_iskey_test2(PADSUB); - _cimg_iskey_test2(PADMUL); _cimg_iskey_test2(PADDIV); - return f; - } - - //! Return \c true if specified key sequence has been typed on the associated window, \c false otherwise. - /** - \param keycodes_sequence Buffer of keycodes to test. - \param length Number of keys in the \c keycodes_sequence buffer. - \param remove_sequence Tells if the key sequence must be removed from the key history, if found. - \note Keycode constants are defined in the cimg namespace and are architecture-dependent. Use them to ensure - your code stay portable (see cimg::keyESC). - \par Example - \code - CImgDisplay disp(400,400); - const unsigned int key_seq[] = { cimg::keyCTRLLEFT, cimg::keyD }; - while (!disp.is_closed()) { - if (disp.is_key_sequence(key_seq,2)) { ... } // Test for the 'CTRL+D' keyboard event. - disp.wait(); - } - \endcode - **/ - bool is_key_sequence(const unsigned int *const keycodes_sequence, const unsigned int length, - const bool remove_sequence=false) { - if (keycodes_sequence && length) { - const unsigned int - *const ps_end = keycodes_sequence + length - 1, - *const pk_end = (unsigned int*)_keys + 1 + 128 - length, - k = *ps_end; - for (unsigned int *pk = (unsigned int*)_keys; pk[0,255]. - If the range of values of the data to display is different, a normalization may be required for displaying - the data in a correct way. The normalization type can be one of: - - \c 0: Value normalization is disabled. It is then assumed that all input data to be displayed by the - CImgDisplay instance have values in range [0,255]. - - \c 1: Value normalization is always performed (this is the default behavior). - Before displaying an input image, its values will be (virtually) stretched - in range [0,255], so that the contrast of the displayed pixels will be maximum. - Use this mode for images whose minimum and maximum values are not prescribed to known values - (e.g. float-valued images). - Note that when normalized versions of images are computed for display purposes, the actual values of these - images are not modified. - - \c 2: Value normalization is performed once (on the first image display), then the same normalization - coefficients are kept for next displayed frames. - - \c 3: Value normalization depends on the pixel type of the data to display. For integer pixel types, - the normalization is done regarding the minimum/maximum values of the type (no normalization occurs then - for unsigned char). - For float-valued pixel types, the normalization is done regarding the minimum/maximum value of the image - data instead. - **/ - unsigned int normalization() const { - return _normalization; - } - - //! Return title of the associated window as a C-string. - /** - \note Window title may be not visible, depending on the used window manager or if the current display is - in fullscreen mode. - **/ - const char *title() const { - return _title?_title:""; - } - - //! Return width of the associated window. - /** - \note The width of the display (i.e. the width of the pixel data buffer associated to the CImgDisplay instance) - may be different from the actual width of the associated window. - **/ - int window_width() const { - return (int)_window_width; - } - - //! Return height of the associated window. - /** - \note The height of the display (i.e. the height of the pixel data buffer associated to the CImgDisplay instance) - may be different from the actual height of the associated window. - **/ - int window_height() const { - return (int)_window_height; - } - - //! Return X-coordinate of the associated window. - /** - \note The returned coordinate corresponds to the location of the upper-left corner of the associated window. - **/ - int window_x() const { - return _window_x; - } - - //! Return Y-coordinate of the associated window. - /** - \note The returned coordinate corresponds to the location of the upper-left corner of the associated window. - **/ - int window_y() const { - return _window_y; - } - - //! Return X-coordinate of the mouse pointer. - /** - \note - - If the mouse pointer is outside window area, \c -1 is returned. - - Otherwise, the returned value is in the range [0,width()-1]. - **/ - int mouse_x() const { - return _mouse_x; - } - - //! Return Y-coordinate of the mouse pointer. - /** - \note - - If the mouse pointer is outside window area, \c -1 is returned. - - Otherwise, the returned value is in the range [0,height()-1]. - **/ - int mouse_y() const { - return _mouse_y; - } - - //! Return current state of the mouse buttons. - /** - \note Three mouse buttons can be managed. If one button is pressed, its corresponding bit in the returned - value is set: - - bit \c 0 (value \c 0x1): State of the left mouse button. - - bit \c 1 (value \c 0x2): State of the right mouse button. - - bit \c 2 (value \c 0x4): State of the middle mouse button. - - Several bits can be activated if more than one button are pressed at the same time. - \par Example - \code - CImgDisplay disp(400,400); - while (!disp.is_closed()) { - if (disp.button()&1) { // Left button clicked. - ... - } - if (disp.button()&2) { // Right button clicked. - ... - } - if (disp.button()&4) { // Middle button clicked. - ... - } - disp.wait(); - } - \endcode - **/ - unsigned int button() const { - return _button; - } - - //! Return current state of the mouse wheel. - /** - \note - - The returned value can be positive or negative depending on whether the mouse wheel has been scrolled - forward or backward. - - Scrolling the wheel forward add \c 1 to the wheel value. - - Scrolling the wheel backward substract \c 1 to the wheel value. - - The returned value cumulates the number of forward of backward scrolls since the creation of the display, - or since the last reset of the wheel value (using set_wheel()). It is strongly recommended to quickly reset - the wheel counter when an action has been performed regarding the current wheel value. - Otherwise, the returned wheel value may be for instance \c 0 despite the fact that many scrolls have been done - (as many in forward as in backward directions). - \par Example - \code - CImgDisplay disp(400,400); - while (!disp.is_closed()) { - if (disp.wheel()) { - int counter = disp.wheel(); // Read the state of the mouse wheel. - ... // Do what you want with 'counter'. - disp.set_wheel(); // Reset the wheel value to 0. - } - disp.wait(); - } - \endcode - **/ - int wheel() const { - return _wheel; - } - - //! Return one entry from the pressed keys history. - /** - \param pos Indice to read from the pressed keys history (indice \c 0 corresponds to latest entry). - \return Keycode of a pressed key or \c 0 for a released key. - \note - - Each CImgDisplay stores a history of the pressed keys in a buffer of size \c 128. When a new key is pressed, - its keycode is stored in the pressed keys history. When a key is released, \c 0 is put instead. - This means that up to the 64 last pressed keys may be read from the pressed keys history. - When a new value is stored, the pressed keys history is shifted so that the latest entry is always - stored at position \c 0. - - Keycode constants are defined in the cimg namespace and are architecture-dependent. Use them to ensure - your code stay portable (see cimg::keyESC). - **/ - unsigned int key(const unsigned int pos=0) const { - return pos<128?_keys[pos]:0; - } - - //! Return one entry from the released keys history. - /** - \param pos Indice to read from the released keys history (indice \c 0 corresponds to latest entry). - \return Keycode of a released key or \c 0 for a pressed key. - \note - - Each CImgDisplay stores a history of the released keys in a buffer of size \c 128. When a new key is released, - its keycode is stored in the pressed keys history. When a key is pressed, \c 0 is put instead. - This means that up to the 64 last released keys may be read from the released keys history. - When a new value is stored, the released keys history is shifted so that the latest entry is always - stored at position \c 0. - - Keycode constants are defined in the cimg namespace and are architecture-dependent. Use them to ensure - your code stay portable (see cimg::keyESC). - **/ - unsigned int released_key(const unsigned int pos=0) const { - return pos<128?_released_keys[pos]:0; - } - - //! Return keycode corresponding to the specified string. - /** - \note Keycode constants are defined in the cimg namespace and are architecture-dependent. Use them to ensure - your code stay portable (see cimg::keyESC). - \par Example - \code - const unsigned int keyTAB = CImgDisplay::keycode("TAB"); // Return cimg::keyTAB. - \endcode - **/ - static unsigned int keycode(const char *const keycode) { -#define _cimg_keycode(k) if (!cimg::strcasecmp(keycode,#k)) return cimg::key##k; - _cimg_keycode(ESC); _cimg_keycode(F1); _cimg_keycode(F2); _cimg_keycode(F3); - _cimg_keycode(F4); _cimg_keycode(F5); _cimg_keycode(F6); _cimg_keycode(F7); - _cimg_keycode(F8); _cimg_keycode(F9); _cimg_keycode(F10); _cimg_keycode(F11); - _cimg_keycode(F12); _cimg_keycode(PAUSE); _cimg_keycode(1); _cimg_keycode(2); - _cimg_keycode(3); _cimg_keycode(4); _cimg_keycode(5); _cimg_keycode(6); - _cimg_keycode(7); _cimg_keycode(8); _cimg_keycode(9); _cimg_keycode(0); - _cimg_keycode(BACKSPACE); _cimg_keycode(INSERT); _cimg_keycode(HOME); - _cimg_keycode(PAGEUP); _cimg_keycode(TAB); _cimg_keycode(Q); _cimg_keycode(W); - _cimg_keycode(E); _cimg_keycode(R); _cimg_keycode(T); _cimg_keycode(Y); - _cimg_keycode(U); _cimg_keycode(I); _cimg_keycode(O); _cimg_keycode(P); - _cimg_keycode(DELETE); _cimg_keycode(END); _cimg_keycode(PAGEDOWN); - _cimg_keycode(CAPSLOCK); _cimg_keycode(A); _cimg_keycode(S); _cimg_keycode(D); - _cimg_keycode(F); _cimg_keycode(G); _cimg_keycode(H); _cimg_keycode(J); - _cimg_keycode(K); _cimg_keycode(L); _cimg_keycode(ENTER); - _cimg_keycode(SHIFTLEFT); _cimg_keycode(Z); _cimg_keycode(X); _cimg_keycode(C); - _cimg_keycode(V); _cimg_keycode(B); _cimg_keycode(N); _cimg_keycode(M); - _cimg_keycode(SHIFTRIGHT); _cimg_keycode(ARROWUP); _cimg_keycode(CTRLLEFT); - _cimg_keycode(APPLEFT); _cimg_keycode(ALT); _cimg_keycode(SPACE); _cimg_keycode(ALTGR); - _cimg_keycode(APPRIGHT); _cimg_keycode(MENU); _cimg_keycode(CTRLRIGHT); - _cimg_keycode(ARROWLEFT); _cimg_keycode(ARROWDOWN); _cimg_keycode(ARROWRIGHT); - _cimg_keycode(PAD0); _cimg_keycode(PAD1); _cimg_keycode(PAD2); - _cimg_keycode(PAD3); _cimg_keycode(PAD4); _cimg_keycode(PAD5); - _cimg_keycode(PAD6); _cimg_keycode(PAD7); _cimg_keycode(PAD8); - _cimg_keycode(PAD9); _cimg_keycode(PADADD); _cimg_keycode(PADSUB); - _cimg_keycode(PADMUL); _cimg_keycode(PADDIV); - return 0; - } - - //! Return the current refresh rate, in frames per second. - /** - \note Returns a significant value when the current instance is used to display successive frames. - It measures the delay between successive calls to frames_per_second(). - **/ - float frames_per_second() { - if (!_fps_timer) _fps_timer = cimg::time(); - const float delta = (cimg::time() - _fps_timer)/1000.0f; - ++_fps_frames; - if (delta>=1) { - _fps_fps = _fps_frames/delta; - _fps_frames = 0; - _fps_timer = cimg::time(); - } - return _fps_fps; - } - - //@} - //--------------------------------------- - // - //! \name Window Manipulation - //@{ - //--------------------------------------- - -#if cimg_display==0 - - //! Display image on associated window. - /** - \param img Input image to display. - \note This method returns immediately. - **/ - template - CImgDisplay& display(const CImg& img) { - return assign(img); - } - -#endif - - //! Display list of images on associated window. - /** - \param list List of images to display. - \param axis Axis used to append the images along, for the visualization (can be \c x, \c y, \c z or \c c). - \param align Relative position of aligned images when displaying lists with images of different sizes - (\c 0 for upper-left, \c 0.5 for centering and \c 1 for lower-right). - \note This method returns immediately. - **/ - template - CImgDisplay& display(const CImgList& list, const char axis='x', const float align=0) { - if (list._width==1) { - const CImg& img = list[0]; - if (img._depth==1 && (img._spectrum==1 || img._spectrum>=3) && _normalization!=1) return display(img); - } - CImgList::ucharT> visu(list._width); - cimglist_for(list,l) { - const CImg& img = list._data[l]; - img.__get_select(*this,_normalization,(img._width - 1)/2,(img._height - 1)/2, - (img._depth - 1)/2).move_to(visu[l]); - } - visu.get_append(axis,align).display(*this); - return *this; - } - -#if cimg_display==0 - - //! Show (closed) associated window on the screen. - /** - \note - - Force the associated window of a display to be visible on the screen, even if it has been closed before. - - Using show() on a visible display does nothing. - **/ - CImgDisplay& show() { - return assign(); - } - - //! Close (visible) associated window and make it disappear from the screen. - /** - \note - - A closed display only means the associated window is not visible anymore. This does not mean the display has - been destroyed. - Use show() to make the associated window reappear. - - Using close() on a closed display does nothing. - **/ - CImgDisplay& close() { - return assign(); - } - - //! Move associated window to a new location. - /** - \param pos_x X-coordinate of the new window location. - \param pos_y Y-coordinate of the new window location. - \note Depending on the window manager behavior, this method may not succeed (no exceptions are thrown - nevertheless). - **/ - CImgDisplay& move(const int pos_x, const int pos_y) { - return assign(pos_x,pos_y); - } - -#endif - - //! Resize display to the size of the associated window. - /** - \param force_redraw Tells if the previous window content must be updated and refreshed as well. - \note - - Calling this method ensures that width() and window_width() become equal, as well as height() and - window_height(). - - The associated window is also resized to specified dimensions. - **/ - CImgDisplay& resize(const bool force_redraw=true) { - resize(window_width(),window_height(),force_redraw); - return *this; - } - -#if cimg_display==0 - - //! Resize display to the specified size. - /** - \param width Requested display width. - \param height Requested display height. - \param force_redraw Tells if the previous window content must be updated and refreshed as well. - \note The associated window is also resized to specified dimensions. - **/ - CImgDisplay& resize(const int width, const int height, const bool force_redraw=true) { - return assign(width,height,0,3,force_redraw); - } - -#endif - - //! Resize display to the size of an input image. - /** - \param img Input image to take size from. - \param force_redraw Tells if the previous window content must be resized and updated as well. - \note - - Calling this method ensures that width() and img.width() become equal, as well as height() and - img.height(). - - The associated window is also resized to specified dimensions. - **/ - template - CImgDisplay& resize(const CImg& img, const bool force_redraw=true) { - return resize(img._width,img._height,force_redraw); - } - - //! Resize display to the size of another CImgDisplay instance. - /** - \param disp Input display to take size from. - \param force_redraw Tells if the previous window content must be resized and updated as well. - \note - - Calling this method ensures that width() and disp.width() become equal, as well as height() and - disp.height(). - - The associated window is also resized to specified dimensions. - **/ - CImgDisplay& resize(const CImgDisplay& disp, const bool force_redraw=true) { - return resize(disp.width(),disp.height(),force_redraw); - } - - // [internal] Render pixel buffer with size (wd,hd) from source buffer of size (ws,hs). - template - static void _render_resize(const T *ptrs, const unsigned int ws, const unsigned int hs, - t *ptrd, const unsigned int wd, const unsigned int hd) { - unsigned int *const offx = new unsigned int[wd], *const offy = new unsigned int[hd + 1], *poffx, *poffy; - float s, curr, old; - s = (float)ws/wd; - poffx = offx; curr = 0; for (unsigned int x = 0; xstd::printf(). - \warning As the first argument is a format string, it is highly recommended to write - \code - disp.set_title("%s",window_title); - \endcode - instead of - \code - disp.set_title(window_title); - \endcode - if \c window_title can be arbitrary, to prevent nasty memory access. - **/ - CImgDisplay& set_title(const char *const format, ...) { - return assign(0,0,format); - } - -#endif - - //! Enable or disable fullscreen mode. - /** - \param is_fullscreen Tells is the fullscreen mode must be activated or not. - \param force_redraw Tells if the previous window content must be displayed as well. - \note - - When the fullscreen mode is enabled, the associated window fills the entire screen but the size of the - current display is not modified. - - The screen resolution may be switched to fit the associated window size and ensure it appears the largest - as possible. - For X-Window (X11) users, the configuration flag \c cimg_use_xrandr has to be set to allow the screen - resolution change (requires the X11 extensions to be enabled). - **/ - CImgDisplay& set_fullscreen(const bool is_fullscreen, const bool force_redraw=true) { - if (is_empty() || _is_fullscreen==is_fullscreen) return *this; - return toggle_fullscreen(force_redraw); - } - -#if cimg_display==0 - - //! Toggle fullscreen mode. - /** - \param force_redraw Tells if the previous window content must be displayed as well. - \note Enable fullscreen mode if it was not enabled, and disable it otherwise. - **/ - CImgDisplay& toggle_fullscreen(const bool force_redraw=true) { - return assign(_width,_height,0,3,force_redraw); - } - - //! Show mouse pointer. - /** - \note Depending on the window manager behavior, this method may not succeed - (no exceptions are thrown nevertheless). - **/ - CImgDisplay& show_mouse() { - return assign(); - } - - //! Hide mouse pointer. - /** - \note Depending on the window manager behavior, this method may not succeed - (no exceptions are thrown nevertheless). - **/ - CImgDisplay& hide_mouse() { - return assign(); - } - - //! Move mouse pointer to a specified location. - /** - \note Depending on the window manager behavior, this method may not succeed - (no exceptions are thrown nevertheless). - **/ - CImgDisplay& set_mouse(const int pos_x, const int pos_y) { - return assign(pos_x,pos_y); - } - -#endif - - //! Simulate a mouse button release event. - /** - \note All mouse buttons are considered released at the same time. - **/ - CImgDisplay& set_button() { - _button = 0; - _is_event = true; -#if cimg_display==1 - pthread_cond_broadcast(&cimg::X11_attr().wait_event); -#elif cimg_display==2 - SetEvent(cimg::Win32_attr().wait_event); -#endif - return *this; - } - - //! Simulate a mouse button press or release event. - /** - \param button Buttons event code, where each button is associated to a single bit. - \param is_pressed Tells if the mouse button is considered as pressed or released. - **/ - CImgDisplay& set_button(const unsigned int button, const bool is_pressed=true) { - const unsigned int buttoncode = button==1U?1U:button==2U?2U:button==3U?4U:0U; - if (is_pressed) _button |= buttoncode; else _button &= ~buttoncode; - _is_event = buttoncode?true:false; - if (buttoncode) { -#if cimg_display==1 - pthread_cond_broadcast(&cimg::X11_attr().wait_event); -#elif cimg_display==2 - SetEvent(cimg::Win32_attr().wait_event); -#endif - } - return *this; - } - - //! Flush all mouse wheel events. - /** - \note Make wheel() to return \c 0, if called afterwards. - **/ - CImgDisplay& set_wheel() { - _wheel = 0; - _is_event = true; -#if cimg_display==1 - pthread_cond_broadcast(&cimg::X11_attr().wait_event); -#elif cimg_display==2 - SetEvent(cimg::Win32_attr().wait_event); -#endif - return *this; - } - - //! Simulate a wheel event. - /** - \param amplitude Amplitude of the wheel scrolling to simulate. - \note Make wheel() to return \c amplitude, if called afterwards. - **/ - CImgDisplay& set_wheel(const int amplitude) { - _wheel+=amplitude; - _is_event = amplitude?true:false; - if (amplitude) { -#if cimg_display==1 - pthread_cond_broadcast(&cimg::X11_attr().wait_event); -#elif cimg_display==2 - SetEvent(cimg::Win32_attr().wait_event); -#endif - } - return *this; - } - - //! Flush all key events. - /** - \note Make key() to return \c 0, if called afterwards. - **/ - CImgDisplay& set_key() { - std::memset((void*)_keys,0,128*sizeof(unsigned int)); - std::memset((void*)_released_keys,0,128*sizeof(unsigned int)); - _is_keyESC = _is_keyF1 = _is_keyF2 = _is_keyF3 = _is_keyF4 = _is_keyF5 = _is_keyF6 = _is_keyF7 = _is_keyF8 = - _is_keyF9 = _is_keyF10 = _is_keyF11 = _is_keyF12 = _is_keyPAUSE = _is_key1 = _is_key2 = _is_key3 = _is_key4 = - _is_key5 = _is_key6 = _is_key7 = _is_key8 = _is_key9 = _is_key0 = _is_keyBACKSPACE = _is_keyINSERT = - _is_keyHOME = _is_keyPAGEUP = _is_keyTAB = _is_keyQ = _is_keyW = _is_keyE = _is_keyR = _is_keyT = _is_keyY = - _is_keyU = _is_keyI = _is_keyO = _is_keyP = _is_keyDELETE = _is_keyEND = _is_keyPAGEDOWN = _is_keyCAPSLOCK = - _is_keyA = _is_keyS = _is_keyD = _is_keyF = _is_keyG = _is_keyH = _is_keyJ = _is_keyK = _is_keyL = - _is_keyENTER = _is_keySHIFTLEFT = _is_keyZ = _is_keyX = _is_keyC = _is_keyV = _is_keyB = _is_keyN = - _is_keyM = _is_keySHIFTRIGHT = _is_keyARROWUP = _is_keyCTRLLEFT = _is_keyAPPLEFT = _is_keyALT = _is_keySPACE = - _is_keyALTGR = _is_keyAPPRIGHT = _is_keyMENU = _is_keyCTRLRIGHT = _is_keyARROWLEFT = _is_keyARROWDOWN = - _is_keyARROWRIGHT = _is_keyPAD0 = _is_keyPAD1 = _is_keyPAD2 = _is_keyPAD3 = _is_keyPAD4 = _is_keyPAD5 = - _is_keyPAD6 = _is_keyPAD7 = _is_keyPAD8 = _is_keyPAD9 = _is_keyPADADD = _is_keyPADSUB = _is_keyPADMUL = - _is_keyPADDIV = false; - _is_event = true; -#if cimg_display==1 - pthread_cond_broadcast(&cimg::X11_attr().wait_event); -#elif cimg_display==2 - SetEvent(cimg::Win32_attr().wait_event); -#endif - return *this; - } - - //! Simulate a keyboard press/release event. - /** - \param keycode Keycode of the associated key. - \param is_pressed Tells if the key is considered as pressed or released. - \note Keycode constants are defined in the cimg namespace and are architecture-dependent. Use them to ensure - your code stay portable (see cimg::keyESC). - **/ - CImgDisplay& set_key(const unsigned int keycode, const bool is_pressed=true) { -#define _cimg_set_key(k) if (keycode==cimg::key##k) _is_key##k = is_pressed; - _cimg_set_key(ESC); _cimg_set_key(F1); _cimg_set_key(F2); _cimg_set_key(F3); - _cimg_set_key(F4); _cimg_set_key(F5); _cimg_set_key(F6); _cimg_set_key(F7); - _cimg_set_key(F8); _cimg_set_key(F9); _cimg_set_key(F10); _cimg_set_key(F11); - _cimg_set_key(F12); _cimg_set_key(PAUSE); _cimg_set_key(1); _cimg_set_key(2); - _cimg_set_key(3); _cimg_set_key(4); _cimg_set_key(5); _cimg_set_key(6); - _cimg_set_key(7); _cimg_set_key(8); _cimg_set_key(9); _cimg_set_key(0); - _cimg_set_key(BACKSPACE); _cimg_set_key(INSERT); _cimg_set_key(HOME); - _cimg_set_key(PAGEUP); _cimg_set_key(TAB); _cimg_set_key(Q); _cimg_set_key(W); - _cimg_set_key(E); _cimg_set_key(R); _cimg_set_key(T); _cimg_set_key(Y); - _cimg_set_key(U); _cimg_set_key(I); _cimg_set_key(O); _cimg_set_key(P); - _cimg_set_key(DELETE); _cimg_set_key(END); _cimg_set_key(PAGEDOWN); - _cimg_set_key(CAPSLOCK); _cimg_set_key(A); _cimg_set_key(S); _cimg_set_key(D); - _cimg_set_key(F); _cimg_set_key(G); _cimg_set_key(H); _cimg_set_key(J); - _cimg_set_key(K); _cimg_set_key(L); _cimg_set_key(ENTER); - _cimg_set_key(SHIFTLEFT); _cimg_set_key(Z); _cimg_set_key(X); _cimg_set_key(C); - _cimg_set_key(V); _cimg_set_key(B); _cimg_set_key(N); _cimg_set_key(M); - _cimg_set_key(SHIFTRIGHT); _cimg_set_key(ARROWUP); _cimg_set_key(CTRLLEFT); - _cimg_set_key(APPLEFT); _cimg_set_key(ALT); _cimg_set_key(SPACE); _cimg_set_key(ALTGR); - _cimg_set_key(APPRIGHT); _cimg_set_key(MENU); _cimg_set_key(CTRLRIGHT); - _cimg_set_key(ARROWLEFT); _cimg_set_key(ARROWDOWN); _cimg_set_key(ARROWRIGHT); - _cimg_set_key(PAD0); _cimg_set_key(PAD1); _cimg_set_key(PAD2); - _cimg_set_key(PAD3); _cimg_set_key(PAD4); _cimg_set_key(PAD5); - _cimg_set_key(PAD6); _cimg_set_key(PAD7); _cimg_set_key(PAD8); - _cimg_set_key(PAD9); _cimg_set_key(PADADD); _cimg_set_key(PADSUB); - _cimg_set_key(PADMUL); _cimg_set_key(PADDIV); - if (is_pressed) { - if (*_keys) - std::memmove((void*)(_keys + 1),(void*)_keys,127*sizeof(unsigned int)); - *_keys = keycode; - if (*_released_keys) { - std::memmove((void*)(_released_keys + 1),(void*)_released_keys,127*sizeof(unsigned int)); - *_released_keys = 0; - } - } else { - if (*_keys) { - std::memmove((void*)(_keys + 1),(void*)_keys,127*sizeof(unsigned int)); - *_keys = 0; - } - if (*_released_keys) - std::memmove((void*)(_released_keys + 1),(void*)_released_keys,127*sizeof(unsigned int)); - *_released_keys = keycode; - } - _is_event = keycode?true:false; - if (keycode) { -#if cimg_display==1 - pthread_cond_broadcast(&cimg::X11_attr().wait_event); -#elif cimg_display==2 - SetEvent(cimg::Win32_attr().wait_event); -#endif - } - return *this; - } - - //! Flush all display events. - /** - \note Remove all passed events from the current display. - **/ - CImgDisplay& flush() { - set_key().set_button().set_wheel(); - _is_resized = _is_moved = _is_event = false; - _fps_timer = _fps_frames = _timer = 0; - _fps_fps = 0; - return *this; - } - - //! Wait for any user event occuring on the current display. - CImgDisplay& wait() { - wait(*this); - return *this; - } - - //! Wait for a given number of milliseconds since the last call to wait(). - /** - \param milliseconds Number of milliseconds to wait for. - \note Similar to cimg::wait(). - **/ - CImgDisplay& wait(const unsigned int milliseconds) { - cimg::_wait(milliseconds,_timer); - return *this; - } - - //! Wait for any event occuring on the display \c disp1. - static void wait(CImgDisplay& disp1) { - disp1._is_event = false; - while (!disp1._is_closed && !disp1._is_event) wait_all(); - } - - //! Wait for any event occuring either on the display \c disp1 or \c disp2. - static void wait(CImgDisplay& disp1, CImgDisplay& disp2) { - disp1._is_event = disp2._is_event = false; - while ((!disp1._is_closed || !disp2._is_closed) && - !disp1._is_event && !disp2._is_event) wait_all(); - } - - //! Wait for any event occuring either on the display \c disp1, \c disp2 or \c disp3. - static void wait(CImgDisplay& disp1, CImgDisplay& disp2, CImgDisplay& disp3) { - disp1._is_event = disp2._is_event = disp3._is_event = false; - while ((!disp1._is_closed || !disp2._is_closed || !disp3._is_closed) && - !disp1._is_event && !disp2._is_event && !disp3._is_event) wait_all(); - } - - //! Wait for any event occuring either on the display \c disp1, \c disp2, \c disp3 or \c disp4. - static void wait(CImgDisplay& disp1, CImgDisplay& disp2, CImgDisplay& disp3, CImgDisplay& disp4) { - disp1._is_event = disp2._is_event = disp3._is_event = disp4._is_event = false; - while ((!disp1._is_closed || !disp2._is_closed || !disp3._is_closed || !disp4._is_closed) && - !disp1._is_event && !disp2._is_event && !disp3._is_event && !disp4._is_event) wait_all(); - } - - //! Wait for any event occuring either on the display \c disp1, \c disp2, \c disp3, \c disp4 or \c disp5. - static void wait(CImgDisplay& disp1, CImgDisplay& disp2, CImgDisplay& disp3, CImgDisplay& disp4, - CImgDisplay& disp5) { - disp1._is_event = disp2._is_event = disp3._is_event = disp4._is_event = disp5._is_event = false; - while ((!disp1._is_closed || !disp2._is_closed || !disp3._is_closed || !disp4._is_closed || !disp5._is_closed) && - !disp1._is_event && !disp2._is_event && !disp3._is_event && !disp4._is_event && !disp5._is_event) - wait_all(); - } - - //! Wait for any event occuring either on the display \c disp1, \c disp2, \c disp3, \c disp4, ... \c disp6. - static void wait(CImgDisplay& disp1, CImgDisplay& disp2, CImgDisplay& disp3, CImgDisplay& disp4, CImgDisplay& disp5, - CImgDisplay& disp6) { - disp1._is_event = disp2._is_event = disp3._is_event = disp4._is_event = disp5._is_event = - disp6._is_event = false; - while ((!disp1._is_closed || !disp2._is_closed || !disp3._is_closed || !disp4._is_closed || !disp5._is_closed || - !disp6._is_closed) && - !disp1._is_event && !disp2._is_event && !disp3._is_event && !disp4._is_event && !disp5._is_event && - !disp6._is_event) wait_all(); - } - - //! Wait for any event occuring either on the display \c disp1, \c disp2, \c disp3, \c disp4, ... \c disp7. - static void wait(CImgDisplay& disp1, CImgDisplay& disp2, CImgDisplay& disp3, CImgDisplay& disp4, CImgDisplay& disp5, - CImgDisplay& disp6, CImgDisplay& disp7) { - disp1._is_event = disp2._is_event = disp3._is_event = disp4._is_event = disp5._is_event = - disp6._is_event = disp7._is_event = false; - while ((!disp1._is_closed || !disp2._is_closed || !disp3._is_closed || !disp4._is_closed || !disp5._is_closed || - !disp6._is_closed || !disp7._is_closed) && - !disp1._is_event && !disp2._is_event && !disp3._is_event && !disp4._is_event && !disp5._is_event && - !disp6._is_event && !disp7._is_event) wait_all(); - } - - //! Wait for any event occuring either on the display \c disp1, \c disp2, \c disp3, \c disp4, ... \c disp8. - static void wait(CImgDisplay& disp1, CImgDisplay& disp2, CImgDisplay& disp3, CImgDisplay& disp4, CImgDisplay& disp5, - CImgDisplay& disp6, CImgDisplay& disp7, CImgDisplay& disp8) { - disp1._is_event = disp2._is_event = disp3._is_event = disp4._is_event = disp5._is_event = - disp6._is_event = disp7._is_event = disp8._is_event = false; - while ((!disp1._is_closed || !disp2._is_closed || !disp3._is_closed || !disp4._is_closed || !disp5._is_closed || - !disp6._is_closed || !disp7._is_closed || !disp8._is_closed) && - !disp1._is_event && !disp2._is_event && !disp3._is_event && !disp4._is_event && !disp5._is_event && - !disp6._is_event && !disp7._is_event && !disp8._is_event) wait_all(); - } - - //! Wait for any event occuring either on the display \c disp1, \c disp2, \c disp3, \c disp4, ... \c disp9. - static void wait(CImgDisplay& disp1, CImgDisplay& disp2, CImgDisplay& disp3, CImgDisplay& disp4, CImgDisplay& disp5, - CImgDisplay& disp6, CImgDisplay& disp7, CImgDisplay& disp8, CImgDisplay& disp9) { - disp1._is_event = disp2._is_event = disp3._is_event = disp4._is_event = disp5._is_event = - disp6._is_event = disp7._is_event = disp8._is_event = disp9._is_event = false; - while ((!disp1._is_closed || !disp2._is_closed || !disp3._is_closed || !disp4._is_closed || !disp5._is_closed || - !disp6._is_closed || !disp7._is_closed || !disp8._is_closed || !disp9._is_closed) && - !disp1._is_event && !disp2._is_event && !disp3._is_event && !disp4._is_event && !disp5._is_event && - !disp6._is_event && !disp7._is_event && !disp8._is_event && !disp9._is_event) wait_all(); - } - - //! Wait for any event occuring either on the display \c disp1, \c disp2, \c disp3, \c disp4, ... \c disp10. - static void wait(CImgDisplay& disp1, CImgDisplay& disp2, CImgDisplay& disp3, CImgDisplay& disp4, CImgDisplay& disp5, - CImgDisplay& disp6, CImgDisplay& disp7, CImgDisplay& disp8, CImgDisplay& disp9, - CImgDisplay& disp10) { - disp1._is_event = disp2._is_event = disp3._is_event = disp4._is_event = disp5._is_event = - disp6._is_event = disp7._is_event = disp8._is_event = disp9._is_event = disp10._is_event = false; - while ((!disp1._is_closed || !disp2._is_closed || !disp3._is_closed || !disp4._is_closed || !disp5._is_closed || - !disp6._is_closed || !disp7._is_closed || !disp8._is_closed || !disp9._is_closed || !disp10._is_closed) && - !disp1._is_event && !disp2._is_event && !disp3._is_event && !disp4._is_event && !disp5._is_event && - !disp6._is_event && !disp7._is_event && !disp8._is_event && !disp9._is_event && !disp10._is_event) - wait_all(); - } - -#if cimg_display==0 - - //! Wait for any window event occuring in any opened CImgDisplay. - static void wait_all() { - return _no_display_exception(); - } - - //! Render image into internal display buffer. - /** - \param img Input image data to render. - \note - - Convert image data representation into the internal display buffer (architecture-dependent structure). - - The content of the associated window is not modified, until paint() is called. - - Should not be used for common CImgDisplay uses, since display() is more useful. - **/ - template - CImgDisplay& render(const CImg& img) { - return assign(img); - } - - //! Paint internal display buffer on associated window. - /** - \note - - Update the content of the associated window with the internal display buffer, e.g. after a render() call. - - Should not be used for common CImgDisplay uses, since display() is more useful. - **/ - CImgDisplay& paint() { - return assign(); - } - - //! Take a snapshot of the associated window content. - /** - \param[out] img Output snapshot. Can be empty on input. - **/ - template - const CImgDisplay& snapshot(CImg& img) const { - cimg::unused(img); - _no_display_exception(); - return *this; - } -#endif - - // X11-based implementation - //-------------------------- -#if cimg_display==1 - - Atom _wm_window_atom, _wm_protocol_atom; - Window _window, _background_window; - Colormap _colormap; - XImage *_image; - void *_data; -#ifdef cimg_use_xshm - XShmSegmentInfo *_shminfo; -#endif - - static int screen_width() { - Display *const dpy = cimg::X11_attr().display; - int res = 0; - if (!dpy) { - Display *const _dpy = XOpenDisplay(0); - if (!_dpy) - throw CImgDisplayException("CImgDisplay::screen_width(): Failed to open X11 display."); - res = DisplayWidth(_dpy,DefaultScreen(_dpy)); - XCloseDisplay(_dpy); - } else { -#ifdef cimg_use_xrandr - if (cimg::X11_attr().resolutions && cimg::X11_attr().curr_resolution) - res = cimg::X11_attr().resolutions[cimg::X11_attr().curr_resolution].width; - else res = DisplayWidth(dpy,DefaultScreen(dpy)); -#else - res = DisplayWidth(dpy,DefaultScreen(dpy)); -#endif - } - return res; - } - - static int screen_height() { - Display *const dpy = cimg::X11_attr().display; - int res = 0; - if (!dpy) { - Display *const _dpy = XOpenDisplay(0); - if (!_dpy) - throw CImgDisplayException("CImgDisplay::screen_height(): Failed to open X11 display."); - res = DisplayHeight(_dpy,DefaultScreen(_dpy)); - XCloseDisplay(_dpy); - } else { -#ifdef cimg_use_xrandr - if (cimg::X11_attr().resolutions && cimg::X11_attr().curr_resolution) - res = cimg::X11_attr().resolutions[cimg::X11_attr().curr_resolution].height; - else res = DisplayHeight(dpy,DefaultScreen(dpy)); -#else - res = DisplayHeight(dpy,DefaultScreen(dpy)); -#endif - } - return res; - } - - static void wait_all() { - if (!cimg::X11_attr().display) return; - pthread_mutex_lock(&cimg::X11_attr().wait_event_mutex); - pthread_cond_wait(&cimg::X11_attr().wait_event,&cimg::X11_attr().wait_event_mutex); - pthread_mutex_unlock(&cimg::X11_attr().wait_event_mutex); - } - - void _handle_events(const XEvent *const pevent) { - Display *const dpy = cimg::X11_attr().display; - XEvent event = *pevent; - switch (event.type) { - case ClientMessage : { - if ((int)event.xclient.message_type==(int)_wm_protocol_atom && - (int)event.xclient.data.l[0]==(int)_wm_window_atom) { - XUnmapWindow(cimg::X11_attr().display,_window); - _is_closed = _is_event = true; - pthread_cond_broadcast(&cimg::X11_attr().wait_event); - } - } break; - case ConfigureNotify : { - while (XCheckWindowEvent(dpy,_window,StructureNotifyMask,&event)) {} - const unsigned int nw = event.xconfigure.width, nh = event.xconfigure.height; - const int nx = event.xconfigure.x, ny = event.xconfigure.y; - if (nw && nh && (nw!=_window_width || nh!=_window_height)) { - _window_width = nw; _window_height = nh; _mouse_x = _mouse_y = -1; - XResizeWindow(dpy,_window,_window_width,_window_height); - _is_resized = _is_event = true; - pthread_cond_broadcast(&cimg::X11_attr().wait_event); - } - if (nx!=_window_x || ny!=_window_y) { - _window_x = nx; _window_y = ny; _is_moved = _is_event = true; - pthread_cond_broadcast(&cimg::X11_attr().wait_event); - } - } break; - case Expose : { - while (XCheckWindowEvent(dpy,_window,ExposureMask,&event)) {} - _paint(false); - if (_is_fullscreen) { - XWindowAttributes attr; - XGetWindowAttributes(dpy,_window,&attr); - while (attr.map_state!=IsViewable) XSync(dpy,0); - XSetInputFocus(dpy,_window,RevertToParent,CurrentTime); - } - } break; - case ButtonPress : { - do { - _mouse_x = event.xmotion.x; _mouse_y = event.xmotion.y; - if (_mouse_x<0 || _mouse_y<0 || _mouse_x>=width() || _mouse_y>=height()) _mouse_x = _mouse_y = -1; - switch (event.xbutton.button) { - case 1 : set_button(1); break; - case 3 : set_button(2); break; - case 2 : set_button(3); break; - } - } while (XCheckWindowEvent(dpy,_window,ButtonPressMask,&event)); - } break; - case ButtonRelease : { - do { - _mouse_x = event.xmotion.x; _mouse_y = event.xmotion.y; - if (_mouse_x<0 || _mouse_y<0 || _mouse_x>=width() || _mouse_y>=height()) _mouse_x = _mouse_y = -1; - switch (event.xbutton.button) { - case 1 : set_button(1,false); break; - case 3 : set_button(2,false); break; - case 2 : set_button(3,false); break; - case 4 : set_wheel(1); break; - case 5 : set_wheel(-1); break; - } - } while (XCheckWindowEvent(dpy,_window,ButtonReleaseMask,&event)); - } break; - case KeyPress : { - char tmp = 0; KeySym ksym; - XLookupString(&event.xkey,&tmp,1,&ksym,0); - set_key((unsigned int)ksym,true); - } break; - case KeyRelease : { - char keys_return[32]; // Check that the key has been physically unpressed. - XQueryKeymap(dpy,keys_return); - const unsigned int kc = event.xkey.keycode, kc1 = kc/8, kc2 = kc%8; - const bool is_key_pressed = kc1>=32?false:(keys_return[kc1]>>kc2)&1; - if (!is_key_pressed) { - char tmp = 0; KeySym ksym; - XLookupString(&event.xkey,&tmp,1,&ksym,0); - set_key((unsigned int)ksym,false); - } - } break; - case EnterNotify: { - while (XCheckWindowEvent(dpy,_window,EnterWindowMask,&event)) {} - _mouse_x = event.xmotion.x; - _mouse_y = event.xmotion.y; - if (_mouse_x<0 || _mouse_y<0 || _mouse_x>=width() || _mouse_y>=height()) _mouse_x = _mouse_y = -1; - } break; - case LeaveNotify : { - while (XCheckWindowEvent(dpy,_window,LeaveWindowMask,&event)) {} - _mouse_x = _mouse_y = -1; _is_event = true; - pthread_cond_broadcast(&cimg::X11_attr().wait_event); - } break; - case MotionNotify : { - while (XCheckWindowEvent(dpy,_window,PointerMotionMask,&event)) {} - _mouse_x = event.xmotion.x; - _mouse_y = event.xmotion.y; - if (_mouse_x<0 || _mouse_y<0 || _mouse_x>=width() || _mouse_y>=height()) _mouse_x = _mouse_y = -1; - _is_event = true; - pthread_cond_broadcast(&cimg::X11_attr().wait_event); - } break; - } - } - - static void* _events_thread(void *arg) { // Thread to manage events for all opened display windows. - Display *const dpy = cimg::X11_attr().display; - XEvent event; - pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED,0); - pthread_setcancelstate(PTHREAD_CANCEL_ENABLE,0); - if (!arg) for ( ; ; ) { - cimg_lock_display(); - bool event_flag = XCheckTypedEvent(dpy,ClientMessage,&event); - if (!event_flag) event_flag = XCheckMaskEvent(dpy, - ExposureMask | StructureNotifyMask | ButtonPressMask | - KeyPressMask | PointerMotionMask | EnterWindowMask | - LeaveWindowMask | ButtonReleaseMask | KeyReleaseMask,&event); - if (event_flag) - for (unsigned int i = 0; i_is_closed && event.xany.window==cimg::X11_attr().wins[i]->_window) - cimg::X11_attr().wins[i]->_handle_events(&event); - cimg_unlock_display(); - pthread_testcancel(); - cimg::sleep(8); - } - return 0; - } - - void _set_colormap(Colormap& _colormap, const unsigned int dim) { - XColor *const colormap = new XColor[256]; - switch (dim) { - case 1 : { // colormap for greyscale images - for (unsigned int index = 0; index<256; ++index) { - colormap[index].pixel = index; - colormap[index].red = colormap[index].green = colormap[index].blue = (unsigned short)(index<<8); - colormap[index].flags = DoRed | DoGreen | DoBlue; - } - } break; - case 2 : { // colormap for RG images - for (unsigned int index = 0, r = 8; r<256; r+=16) - for (unsigned int g = 8; g<256; g+=16) { - colormap[index].pixel = index; - colormap[index].red = colormap[index].blue = (unsigned short)(r<<8); - colormap[index].green = (unsigned short)(g<<8); - colormap[index++].flags = DoRed | DoGreen | DoBlue; - } - } break; - default : { // colormap for RGB images - for (unsigned int index = 0, r = 16; r<256; r+=32) - for (unsigned int g = 16; g<256; g+=32) - for (unsigned int b = 32; b<256; b+=64) { - colormap[index].pixel = index; - colormap[index].red = (unsigned short)(r<<8); - colormap[index].green = (unsigned short)(g<<8); - colormap[index].blue = (unsigned short)(b<<8); - colormap[index++].flags = DoRed | DoGreen | DoBlue; - } - } - } - XStoreColors(cimg::X11_attr().display,_colormap,colormap,256); - delete[] colormap; - } - - void _map_window() { - Display *const dpy = cimg::X11_attr().display; - bool is_exposed = false, is_mapped = false; - XWindowAttributes attr; - XEvent event; - XMapRaised(dpy,_window); - do { // Wait for the window to be mapped. - XWindowEvent(dpy,_window,StructureNotifyMask | ExposureMask,&event); - switch (event.type) { - case MapNotify : is_mapped = true; break; - case Expose : is_exposed = true; break; - } - } while (!is_exposed || !is_mapped); - do { // Wait for the window to be visible. - XGetWindowAttributes(dpy,_window,&attr); - if (attr.map_state!=IsViewable) { XSync(dpy,0); cimg::sleep(10); } - } while (attr.map_state!=IsViewable); - _window_x = attr.x; - _window_y = attr.y; - } - - void _paint(const bool wait_expose=true) { - if (_is_closed || !_image) return; - Display *const dpy = cimg::X11_attr().display; - if (wait_expose) { // Send an expose event sticked to display window to force repaint. - XEvent event; - event.xexpose.type = Expose; - event.xexpose.serial = 0; - event.xexpose.send_event = 1; - event.xexpose.display = dpy; - event.xexpose.window = _window; - event.xexpose.x = 0; - event.xexpose.y = 0; - event.xexpose.width = width(); - event.xexpose.height = height(); - event.xexpose.count = 0; - XSendEvent(dpy,_window,0,0,&event); - } else { // Repaint directly (may be called from the expose event). - GC gc = DefaultGC(dpy,DefaultScreen(dpy)); -#ifdef cimg_use_xshm - if (_shminfo) XShmPutImage(dpy,_window,gc,_image,0,0,0,0,_width,_height,1); - else XPutImage(dpy,_window,gc,_image,0,0,0,0,_width,_height); -#else - XPutImage(dpy,_window,gc,_image,0,0,0,0,_width,_height); -#endif - } - } - - template - void _resize(T pixel_type, const unsigned int ndimx, const unsigned int ndimy, const bool force_redraw) { - Display *const dpy = cimg::X11_attr().display; - cimg::unused(pixel_type); - -#ifdef cimg_use_xshm - if (_shminfo) { - XShmSegmentInfo *const nshminfo = new XShmSegmentInfo; - XImage *const nimage = XShmCreateImage(dpy,DefaultVisual(dpy,DefaultScreen(dpy)), - cimg::X11_attr().nb_bits,ZPixmap,0,nshminfo,ndimx,ndimy); - if (!nimage) { delete nshminfo; return; } - else { - nshminfo->shmid = shmget(IPC_PRIVATE,ndimx*ndimy*sizeof(T),IPC_CREAT | 0777); - if (nshminfo->shmid==-1) { XDestroyImage(nimage); delete nshminfo; return; } - else { - nshminfo->shmaddr = nimage->data = (char*)shmat(nshminfo->shmid,0,0); - if (nshminfo->shmaddr==(char*)-1) { - shmctl(nshminfo->shmid,IPC_RMID,0); XDestroyImage(nimage); delete nshminfo; return; - } else { - nshminfo->readOnly = 0; - cimg::X11_attr().is_shm_enabled = true; - XErrorHandler oldXErrorHandler = XSetErrorHandler(_assign_xshm); - XShmAttach(dpy,nshminfo); - XFlush(dpy); - XSetErrorHandler(oldXErrorHandler); - if (!cimg::X11_attr().is_shm_enabled) { - shmdt(nshminfo->shmaddr); - shmctl(nshminfo->shmid,IPC_RMID,0); - XDestroyImage(nimage); - delete nshminfo; - return; - } else { - T *const ndata = (T*)nimage->data; - if (force_redraw) _render_resize((T*)_data,_width,_height,ndata,ndimx,ndimy); - else std::memset(ndata,0,sizeof(T)*ndimx*ndimy); - XShmDetach(dpy,_shminfo); - XDestroyImage(_image); - shmdt(_shminfo->shmaddr); - shmctl(_shminfo->shmid,IPC_RMID,0); - delete _shminfo; - _shminfo = nshminfo; - _image = nimage; - _data = (void*)ndata; - } - } - } - } - } else -#endif - { - T *ndata = (T*)std::malloc(ndimx*ndimy*sizeof(T)); - if (force_redraw) _render_resize((T*)_data,_width,_height,ndata,ndimx,ndimy); - else std::memset(ndata,0,sizeof(T)*ndimx*ndimy); - _data = (void*)ndata; - XDestroyImage(_image); - _image = XCreateImage(dpy,DefaultVisual(dpy,DefaultScreen(dpy)), - cimg::X11_attr().nb_bits,ZPixmap,0,(char*)_data,ndimx,ndimy,8,0); - } - } - - void _init_fullscreen() { - if (!_is_fullscreen || _is_closed) return; - Display *const dpy = cimg::X11_attr().display; - _background_window = 0; - -#ifdef cimg_use_xrandr - int foo; - if (XRRQueryExtension(dpy,&foo,&foo)) { - XRRRotations(dpy,DefaultScreen(dpy),&cimg::X11_attr().curr_rotation); - if (!cimg::X11_attr().resolutions) { - cimg::X11_attr().resolutions = XRRSizes(dpy,DefaultScreen(dpy),&foo); - cimg::X11_attr().nb_resolutions = (unsigned int)foo; - } - if (cimg::X11_attr().resolutions) { - cimg::X11_attr().curr_resolution = 0; - for (unsigned int i = 0; i=_width && nh>=_height && - nw<=(unsigned int)(cimg::X11_attr().resolutions[cimg::X11_attr().curr_resolution].width) && - nh<=(unsigned int)(cimg::X11_attr().resolutions[cimg::X11_attr().curr_resolution].height)) - cimg::X11_attr().curr_resolution = i; - } - if (cimg::X11_attr().curr_resolution>0) { - XRRScreenConfiguration *config = XRRGetScreenInfo(dpy,DefaultRootWindow(dpy)); - XRRSetScreenConfig(dpy,config,DefaultRootWindow(dpy), - cimg::X11_attr().curr_resolution,cimg::X11_attr().curr_rotation,CurrentTime); - XRRFreeScreenConfigInfo(config); - XSync(dpy,0); - } - } - } - if (!cimg::X11_attr().resolutions) - cimg::warn(_cimgdisplay_instance - "init_fullscreen(): Xrandr extension not supported by the X server.", - cimgdisplay_instance); -#endif - - const unsigned int sx = screen_width(), sy = screen_height(); - if (sx==_width && sy==_height) return; - XSetWindowAttributes winattr; - winattr.override_redirect = 1; - _background_window = XCreateWindow(dpy,DefaultRootWindow(dpy),0,0,sx,sy,0,0, - InputOutput,CopyFromParent,CWOverrideRedirect,&winattr); - const unsigned long buf_size = (unsigned long)sx*sy*(cimg::X11_attr().nb_bits==8?1: - (cimg::X11_attr().nb_bits==16?2:4)); - void *background_data = std::malloc(buf_size); - std::memset(background_data,0,buf_size); - XImage *background_image = XCreateImage(dpy,DefaultVisual(dpy,DefaultScreen(dpy)),cimg::X11_attr().nb_bits, - ZPixmap,0,(char*)background_data,sx,sy,8,0); - XEvent event; - XSelectInput(dpy,_background_window,StructureNotifyMask); - XMapRaised(dpy,_background_window); - do XWindowEvent(dpy,_background_window,StructureNotifyMask,&event); - while (event.type!=MapNotify); - GC gc = DefaultGC(dpy,DefaultScreen(dpy)); -#ifdef cimg_use_xshm - if (_shminfo) XShmPutImage(dpy,_background_window,gc,background_image,0,0,0,0,sx,sy,0); - else XPutImage(dpy,_background_window,gc,background_image,0,0,0,0,sx,sy); -#else - XPutImage(dpy,_background_window,gc,background_image,0,0,0,0,sx,sy); -#endif - XWindowAttributes attr; - XGetWindowAttributes(dpy,_background_window,&attr); - while (attr.map_state!=IsViewable) XSync(dpy,0); - XDestroyImage(background_image); - } - - void _desinit_fullscreen() { - if (!_is_fullscreen) return; - Display *const dpy = cimg::X11_attr().display; - XUngrabKeyboard(dpy,CurrentTime); -#ifdef cimg_use_xrandr - if (cimg::X11_attr().resolutions && cimg::X11_attr().curr_resolution) { - XRRScreenConfiguration *config = XRRGetScreenInfo(dpy,DefaultRootWindow(dpy)); - XRRSetScreenConfig(dpy,config,DefaultRootWindow(dpy),0,cimg::X11_attr().curr_rotation,CurrentTime); - XRRFreeScreenConfigInfo(config); - XSync(dpy,0); - cimg::X11_attr().curr_resolution = 0; - } -#endif - if (_background_window) XDestroyWindow(dpy,_background_window); - _background_window = 0; - _is_fullscreen = false; - } - - static int _assign_xshm(Display *dpy, XErrorEvent *error) { - cimg::unused(dpy,error); - cimg::X11_attr().is_shm_enabled = false; - return 0; - } - - void _assign(const unsigned int dimw, const unsigned int dimh, const char *const ptitle=0, - const unsigned int normalization_type=3, - const bool fullscreen_flag=false, const bool closed_flag=false) { - cimg::mutex(14); - - // Allocate space for window title - const char *const nptitle = ptitle?ptitle:""; - const unsigned int s = (unsigned int)std::strlen(nptitle) + 1; - char *const tmp_title = s?new char[s]:0; - if (s) std::memcpy(tmp_title,nptitle,s*sizeof(char)); - - // Destroy previous display window if existing - if (!is_empty()) assign(); - - // Open X11 display and retrieve graphical properties. - Display* &dpy = cimg::X11_attr().display; - if (!dpy) { - dpy = XOpenDisplay(0); - if (!dpy) - throw CImgDisplayException(_cimgdisplay_instance - "assign(): Failed to open X11 display.", - cimgdisplay_instance); - - cimg::X11_attr().nb_bits = DefaultDepth(dpy,DefaultScreen(dpy)); - if (cimg::X11_attr().nb_bits!=8 && cimg::X11_attr().nb_bits!=16 && - cimg::X11_attr().nb_bits!=24 && cimg::X11_attr().nb_bits!=32) - throw CImgDisplayException(_cimgdisplay_instance - "assign(): Invalid %u bits screen mode detected " - "(only 8, 16, 24 and 32 bits modes are managed).", - cimgdisplay_instance, - cimg::X11_attr().nb_bits); - XVisualInfo vtemplate; - vtemplate.visualid = XVisualIDFromVisual(DefaultVisual(dpy,DefaultScreen(dpy))); - int nb_visuals; - XVisualInfo *vinfo = XGetVisualInfo(dpy,VisualIDMask,&vtemplate,&nb_visuals); - if (vinfo && vinfo->red_maskblue_mask) cimg::X11_attr().is_blue_first = true; - cimg::X11_attr().byte_order = ImageByteOrder(dpy); - XFree(vinfo); - - cimg_lock_display(); - cimg::X11_attr().events_thread = new pthread_t; - pthread_create(cimg::X11_attr().events_thread,0,_events_thread,0); - } else cimg_lock_display(); - - // Set display variables. - _width = cimg::min(dimw,(unsigned int)screen_width()); - _height = cimg::min(dimh,(unsigned int)screen_height()); - _normalization = normalization_type<4?normalization_type:3; - _is_fullscreen = fullscreen_flag; - _window_x = _window_y = 0; - _is_closed = closed_flag; - _title = tmp_title; - flush(); - - // Create X11 window (and LUT, if 8bits display) - if (_is_fullscreen) { - if (!_is_closed) _init_fullscreen(); - const unsigned int sx = screen_width(), sy = screen_height(); - XSetWindowAttributes winattr; - winattr.override_redirect = 1; - _window = XCreateWindow(dpy,DefaultRootWindow(dpy),(sx - _width)/2,(sy - _height)/2,_width,_height,0,0, - InputOutput,CopyFromParent,CWOverrideRedirect,&winattr); - } else - _window = XCreateSimpleWindow(dpy,DefaultRootWindow(dpy),0,0,_width,_height,0,0L,0L); - - XSelectInput(dpy,_window, - ExposureMask | StructureNotifyMask | ButtonPressMask | KeyPressMask | PointerMotionMask | - EnterWindowMask | LeaveWindowMask | ButtonReleaseMask | KeyReleaseMask); - - XStoreName(dpy,_window,_title?_title:" "); - if (cimg::X11_attr().nb_bits==8) { - _colormap = XCreateColormap(dpy,_window,DefaultVisual(dpy,DefaultScreen(dpy)),AllocAll); - _set_colormap(_colormap,3); - XSetWindowColormap(dpy,_window,_colormap); - } - - static const char *const _window_class = cimg_appname; - XClassHint *const window_class = XAllocClassHint(); - window_class->res_name = (char*)_window_class; - window_class->res_class = (char*)_window_class; - XSetClassHint(dpy,_window,window_class); - XFree(window_class); - - _window_width = _width; - _window_height = _height; - - // Create XImage -#ifdef cimg_use_xshm - _shminfo = 0; - if (XShmQueryExtension(dpy)) { - _shminfo = new XShmSegmentInfo; - _image = XShmCreateImage(dpy,DefaultVisual(dpy,DefaultScreen(dpy)),cimg::X11_attr().nb_bits, - ZPixmap,0,_shminfo,_width,_height); - if (!_image) { delete _shminfo; _shminfo = 0; } - else { - _shminfo->shmid = shmget(IPC_PRIVATE,_image->bytes_per_line*_image->height,IPC_CREAT|0777); - if (_shminfo->shmid==-1) { XDestroyImage(_image); delete _shminfo; _shminfo = 0; } - else { - _shminfo->shmaddr = _image->data = (char*)(_data = shmat(_shminfo->shmid,0,0)); - if (_shminfo->shmaddr==(char*)-1) { - shmctl(_shminfo->shmid,IPC_RMID,0); XDestroyImage(_image); delete _shminfo; _shminfo = 0; - } else { - _shminfo->readOnly = 0; - cimg::X11_attr().is_shm_enabled = true; - XErrorHandler oldXErrorHandler = XSetErrorHandler(_assign_xshm); - XShmAttach(dpy,_shminfo); - XSync(dpy,0); - XSetErrorHandler(oldXErrorHandler); - if (!cimg::X11_attr().is_shm_enabled) { - shmdt(_shminfo->shmaddr); shmctl(_shminfo->shmid,IPC_RMID,0); XDestroyImage(_image); - delete _shminfo; _shminfo = 0; - } - } - } - } - } - if (!_shminfo) -#endif - { - const unsigned long buf_size = (unsigned long)_width*_height*(cimg::X11_attr().nb_bits==8?1: - (cimg::X11_attr().nb_bits==16?2:4)); - _data = std::malloc(buf_size); - _image = XCreateImage(dpy,DefaultVisual(dpy,DefaultScreen(dpy)),cimg::X11_attr().nb_bits, - ZPixmap,0,(char*)_data,_width,_height,8,0); - } - - _wm_window_atom = XInternAtom(dpy,"WM_DELETE_WINDOW",0); - _wm_protocol_atom = XInternAtom(dpy,"WM_PROTOCOLS",0); - XSetWMProtocols(dpy,_window,&_wm_window_atom,1); - - if (_is_fullscreen) XGrabKeyboard(dpy,_window,1,GrabModeAsync,GrabModeAsync,CurrentTime); - cimg::X11_attr().wins[cimg::X11_attr().nb_wins++]=this; - if (!_is_closed) _map_window(); else { _window_x = _window_y = cimg::type::min(); } - cimg_unlock_display(); - cimg::mutex(14,0); - } - - CImgDisplay& assign() { - if (is_empty()) return flush(); - Display *const dpy = cimg::X11_attr().display; - cimg_lock_display(); - - // Remove display window from event thread list. - unsigned int i; - for (i = 0; ishmaddr); - shmctl(_shminfo->shmid,IPC_RMID,0); - delete _shminfo; - _shminfo = 0; - } else -#endif - XDestroyImage(_image); - _data = 0; _image = 0; - if (cimg::X11_attr().nb_bits==8) XFreeColormap(dpy,_colormap); - _colormap = 0; - XSync(dpy,0); - - // Reset display variables. - delete[] _title; - _width = _height = _normalization = _window_width = _window_height = 0; - _window_x = _window_y = 0; - _is_fullscreen = false; - _is_closed = true; - _min = _max = 0; - _title = 0; - flush(); - - cimg_unlock_display(); - return *this; - } - - CImgDisplay& assign(const unsigned int dimw, const unsigned int dimh, const char *const title=0, - const unsigned int normalization_type=3, - const bool fullscreen_flag=false, const bool closed_flag=false) { - if (!dimw || !dimh) return assign(); - _assign(dimw,dimh,title,normalization_type,fullscreen_flag,closed_flag); - _min = _max = 0; - std::memset(_data,0,(cimg::X11_attr().nb_bits==8?sizeof(unsigned char): - (cimg::X11_attr().nb_bits==16?sizeof(unsigned short):sizeof(unsigned int)))* - (unsigned long)_width*_height); - return paint(); - } - - template - CImgDisplay& assign(const CImg& img, const char *const title=0, - const unsigned int normalization_type=3, - const bool fullscreen_flag=false, const bool closed_flag=false) { - if (!img) return assign(); - CImg tmp; - const CImg& nimg = (img._depth==1)?img:(tmp=img.get_projections2d((img._width - 1)/2, - (img._height - 1)/2, - (img._depth - 1)/2)); - _assign(nimg._width,nimg._height,title,normalization_type,fullscreen_flag,closed_flag); - if (_normalization==2) _min = (float)nimg.min_max(_max); - return render(nimg).paint(); - } - - template - CImgDisplay& assign(const CImgList& list, const char *const title=0, - const unsigned int normalization_type=3, - const bool fullscreen_flag=false, const bool closed_flag=false) { - if (!list) return assign(); - CImg tmp; - const CImg img = list>'x', &nimg = (img._depth==1)?img:(tmp=img.get_projections2d((img._width - 1)/2, - (img._height - 1)/2, - (img._depth - 1)/2)); - _assign(nimg._width,nimg._height,title,normalization_type,fullscreen_flag,closed_flag); - if (_normalization==2) _min = (float)nimg.min_max(_max); - return render(nimg).paint(); - } - - CImgDisplay& assign(const CImgDisplay& disp) { - if (!disp) return assign(); - _assign(disp._width,disp._height,disp._title,disp._normalization,disp._is_fullscreen,disp._is_closed); - std::memcpy(_data,disp._data,(cimg::X11_attr().nb_bits==8?sizeof(unsigned char): - cimg::X11_attr().nb_bits==16?sizeof(unsigned short): - sizeof(unsigned int))*(unsigned long)_width*_height); - return paint(); - } - - CImgDisplay& resize(const int nwidth, const int nheight, const bool force_redraw=true) { - if (!nwidth || !nheight || (is_empty() && (nwidth<0 || nheight<0))) return assign(); - if (is_empty()) return assign(nwidth,nheight); - Display *const dpy = cimg::X11_attr().display; - const unsigned int - tmpdimx = (nwidth>0)?nwidth:(-nwidth*width()/100), - tmpdimy = (nheight>0)?nheight:(-nheight*height()/100), - dimx = tmpdimx?tmpdimx:1, - dimy = tmpdimy?tmpdimy:1; - if (_width!=dimx || _height!=dimy || _window_width!=dimx || _window_height!=dimy) { - show(); - cimg_lock_display(); - if (_window_width!=dimx || _window_height!=dimy) { - XWindowAttributes attr; - for (unsigned int i = 0; i<10; ++i) { - XResizeWindow(dpy,_window,dimx,dimy); - XGetWindowAttributes(dpy,_window,&attr); - if (attr.width==(int)dimx && attr.height==(int)dimy) break; - cimg::wait(5); - } - } - if (_width!=dimx || _height!=dimy) switch (cimg::X11_attr().nb_bits) { - case 8 : { unsigned char pixel_type = 0; _resize(pixel_type,dimx,dimy,force_redraw); } break; - case 16 : { unsigned short pixel_type = 0; _resize(pixel_type,dimx,dimy,force_redraw); } break; - default : { unsigned int pixel_type = 0; _resize(pixel_type,dimx,dimy,force_redraw); } - } - _window_width = _width = dimx; _window_height = _height = dimy; - cimg_unlock_display(); - } - _is_resized = false; - if (_is_fullscreen) move((screen_width() - _width)/2,(screen_height() - _height)/2); - if (force_redraw) return paint(); - return *this; - } - - CImgDisplay& toggle_fullscreen(const bool force_redraw=true) { - if (is_empty()) return *this; - if (force_redraw) { - const unsigned long buf_size = (unsigned long)_width*_height* - (cimg::X11_attr().nb_bits==8?1:(cimg::X11_attr().nb_bits==16?2:4)); - void *image_data = std::malloc(buf_size); - std::memcpy(image_data,_data,buf_size); - assign(_width,_height,_title,_normalization,!_is_fullscreen,false); - std::memcpy(_data,image_data,buf_size); - std::free(image_data); - return paint(); - } - return assign(_width,_height,_title,_normalization,!_is_fullscreen,false); - } - - CImgDisplay& show() { - if (is_empty() || !_is_closed) return *this; - cimg_lock_display(); - if (_is_fullscreen) _init_fullscreen(); - _map_window(); - _is_closed = false; - cimg_unlock_display(); - return paint(); - } - - CImgDisplay& close() { - if (is_empty() || _is_closed) return *this; - Display *const dpy = cimg::X11_attr().display; - cimg_lock_display(); - if (_is_fullscreen) _desinit_fullscreen(); - XUnmapWindow(dpy,_window); - _window_x = _window_y = -1; - _is_closed = true; - cimg_unlock_display(); - return *this; - } - - CImgDisplay& move(const int posx, const int posy) { - if (is_empty()) return *this; - if (_window_x!=posx || _window_y!=posy) { - show(); - Display *const dpy = cimg::X11_attr().display; - cimg_lock_display(); - XMoveWindow(dpy,_window,posx,posy); - _window_x = posx; _window_y = posy; - cimg_unlock_display(); - } - _is_moved = false; - return paint(); - } - - CImgDisplay& show_mouse() { - if (is_empty()) return *this; - Display *const dpy = cimg::X11_attr().display; - cimg_lock_display(); - XUndefineCursor(dpy,_window); - cimg_unlock_display(); - return *this; - } - - CImgDisplay& hide_mouse() { - if (is_empty()) return *this; - Display *const dpy = cimg::X11_attr().display; - cimg_lock_display(); - static const char pix_data[8] = { 0 }; - XColor col; - col.red = col.green = col.blue = 0; - Pixmap pix = XCreateBitmapFromData(dpy,_window,pix_data,8,8); - Cursor cur = XCreatePixmapCursor(dpy,pix,pix,&col,&col,0,0); - XFreePixmap(dpy,pix); - XDefineCursor(dpy,_window,cur); - cimg_unlock_display(); - return *this; - } - - CImgDisplay& set_mouse(const int posx, const int posy) { - if (is_empty() || _is_closed) return *this; - Display *const dpy = cimg::X11_attr().display; - cimg_lock_display(); - XWarpPointer(dpy,0L,_window,0,0,0,0,posx,posy); - _mouse_x = posx; _mouse_y = posy; - _is_moved = false; - XSync(dpy,0); - cimg_unlock_display(); - return *this; - } - - CImgDisplay& set_title(const char *const format, ...) { - if (is_empty()) return *this; - char *const tmp = new char[1024]; - va_list ap; - va_start(ap, format); - cimg_vsnprintf(tmp,1024,format,ap); - va_end(ap); - if (!std::strcmp(_title,tmp)) { delete[] tmp; return *this; } - delete[] _title; - const unsigned int s = (unsigned int)std::strlen(tmp) + 1; - _title = new char[s]; - std::memcpy(_title,tmp,s*sizeof(char)); - Display *const dpy = cimg::X11_attr().display; - cimg_lock_display(); - XStoreName(dpy,_window,tmp); - cimg_unlock_display(); - delete[] tmp; - return *this; - } - - template - CImgDisplay& display(const CImg& img) { - if (!img) - throw CImgArgumentException(_cimgdisplay_instance - "display(): Empty specified image.", - cimgdisplay_instance); - if (is_empty()) return assign(img); - return render(img).paint(false); - } - - CImgDisplay& paint(const bool wait_expose=true) { - if (is_empty()) return *this; - cimg_lock_display(); - _paint(wait_expose); - cimg_unlock_display(); - return *this; - } - - template - CImgDisplay& render(const CImg& img, const bool flag8=false) { - if (!img) - throw CImgArgumentException(_cimgdisplay_instance - "render(): Empty specified image.", - cimgdisplay_instance); - if (is_empty()) return *this; - if (img._depth!=1) return render(img.get_projections2d((img._width - 1)/2,(img._height - 1)/2, - (img._depth - 1)/2)); - if (cimg::X11_attr().nb_bits==8 && (img._width!=_width || img._height!=_height)) - return render(img.get_resize(_width,_height,1,-100,1)); - if (cimg::X11_attr().nb_bits==8 && !flag8 && img._spectrum==3) { - static const CImg::ucharT> default_colormap = CImg::ucharT>::default_LUT256(); - return render(img.get_index(default_colormap,1,false)); - } - - const T - *data1 = img._data, - *data2 = (img._spectrum>1)?img.data(0,0,0,1):data1, - *data3 = (img._spectrum>2)?img.data(0,0,0,2):data1; - - if (cimg::X11_attr().is_blue_first) cimg::swap(data1,data3); - cimg_lock_display(); - - if (!_normalization || (_normalization==3 && cimg::type::string()==cimg::type::string())) { - _min = _max = 0; - switch (cimg::X11_attr().nb_bits) { - case 8 : { // 256 colormap, no normalization - _set_colormap(_colormap,img._spectrum); - unsigned char - *const ndata = (img._width==_width && img._height==_height)?(unsigned char*)_data: - new unsigned char[(unsigned long)img._width*img._height], - *ptrd = (unsigned char*)ndata; - switch (img._spectrum) { - case 1 : - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) - (*ptrd++) = (unsigned char)*(data1++); - break; - case 2 : for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char R = (unsigned char)*(data1++), G = (unsigned char)*(data2++); - (*ptrd++) = (R&0xf0) | (G>>4); - } break; - default : for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char - R = (unsigned char)*(data1++), - G = (unsigned char)*(data2++), - B = (unsigned char)*(data3++); - (*ptrd++) = (R&0xe0) | ((G>>5)<<2) | (B>>6); - } - } - if (ndata!=_data) { - _render_resize(ndata,img._width,img._height,(unsigned char*)_data,_width,_height); - delete[] ndata; - } - } break; - case 16 : { // 16 bits colors, no normalization - unsigned short *const ndata = (img._width==_width && img._height==_height)?(unsigned short*)_data: - new unsigned short[(unsigned long)img._width*img._height]; - unsigned char *ptrd = (unsigned char*)ndata; - const unsigned int M = 248; - switch (img._spectrum) { - case 1 : - if (cimg::X11_attr().byte_order) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = (unsigned char)*(data1++), G = val>>2; - *(ptrd++) = (val&M) | (G>>3); - *(ptrd++) = (G<<5) | (G>>1); - } else for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = (unsigned char)*(data1++), G = val>>2; - *(ptrd++) = (G<<5) | (G>>1); - *(ptrd++) = (val&M) | (G>>3); - } - break; - case 2 : - if (cimg::X11_attr().byte_order) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char G = (unsigned char)*(data2++)>>2; - *(ptrd++) = ((unsigned char)*(data1++)&M) | (G>>3); - *(ptrd++) = (G<<5); - } else for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char G = (unsigned char)*(data2++)>>2; - *(ptrd++) = (G<<5); - *(ptrd++) = ((unsigned char)*(data1++)&M) | (G>>3); - } - break; - default : - if (cimg::X11_attr().byte_order) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char G = (unsigned char)*(data2++)>>2; - *(ptrd++) = ((unsigned char)*(data1++)&M) | (G>>3); - *(ptrd++) = (G<<5) | ((unsigned char)*(data3++)>>3); - } else for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char G = (unsigned char)*(data2++)>>2; - *(ptrd++) = (G<<5) | ((unsigned char)*(data3++)>>3); - *(ptrd++) = ((unsigned char)*(data1++)&M) | (G>>3); - } - } - if (ndata!=_data) { - _render_resize(ndata,img._width,img._height,(unsigned short*)_data,_width,_height); - delete[] ndata; - } - } break; - default : { // 24 bits colors, no normalization - unsigned int *const ndata = (img._width==_width && img._height==_height)?(unsigned int*)_data: - new unsigned int[(unsigned long)img._width*img._height]; - if (sizeof(int)==4) { // 32 bits int uses optimized version - unsigned int *ptrd = ndata; - switch (img._spectrum) { - case 1 : - if (cimg::X11_attr().byte_order==cimg::endianness()) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = (unsigned char)*(data1++); - *(ptrd++) = (val<<16) | (val<<8) | val; - } - else - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = (unsigned char)*(data1++); - *(ptrd++) = (val<<16) | (val<<8) | val; - } - break; - case 2 : - if (cimg::X11_attr().byte_order==cimg::endianness()) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) - *(ptrd++) = ((unsigned char)*(data1++)<<16) | ((unsigned char)*(data2++)<<8); - else - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) - *(ptrd++) = ((unsigned char)*(data2++)<<16) | ((unsigned char)*(data1++)<<8); - break; - default : - if (cimg::X11_attr().byte_order==cimg::endianness()) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) - *(ptrd++) = ((unsigned char)*(data1++)<<16) | ((unsigned char)*(data2++)<<8) | - (unsigned char)*(data3++); - else - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) - *(ptrd++) = ((unsigned char)*(data3++)<<24) | ((unsigned char)*(data2++)<<16) | - ((unsigned char)*(data1++)<<8); - } - } else { - unsigned char *ptrd = (unsigned char*)ndata; - switch (img._spectrum) { - case 1 : - if (cimg::X11_attr().byte_order) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - *(ptrd++) = 0; - *(ptrd++) = (unsigned char)*(data1++); - *(ptrd++) = 0; - *(ptrd++) = 0; - } else for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - *(ptrd++) = 0; - *(ptrd++) = 0; - *(ptrd++) = (unsigned char)*(data1++); - *(ptrd++) = 0; - } - break; - case 2 : - if (cimg::X11_attr().byte_order) cimg::swap(data1,data2); - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - *(ptrd++) = 0; - *(ptrd++) = (unsigned char)*(data2++); - *(ptrd++) = (unsigned char)*(data1++); - *(ptrd++) = 0; - } - break; - default : - if (cimg::X11_attr().byte_order) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - *(ptrd++) = 0; - *(ptrd++) = (unsigned char)*(data1++); - *(ptrd++) = (unsigned char)*(data2++); - *(ptrd++) = (unsigned char)*(data3++); - } else for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - *(ptrd++) = (unsigned char)*(data3++); - *(ptrd++) = (unsigned char)*(data2++); - *(ptrd++) = (unsigned char)*(data1++); - *(ptrd++) = 0; - } - } - } - if (ndata!=_data) { - _render_resize(ndata,img._width,img._height,(unsigned int*)_data,_width,_height); - delete[] ndata; - } - } - } - } else { - if (_normalization==3) { - if (cimg::type::is_float()) _min = (float)img.min_max(_max); - else { _min = (float)cimg::type::min(); _max = (float)cimg::type::max(); } - } else if ((_min>_max) || _normalization==1) _min = (float)img.min_max(_max); - const float delta = _max - _min, mm = 255/(delta?delta:1.0f); - switch (cimg::X11_attr().nb_bits) { - case 8 : { // 256 colormap, with normalization - _set_colormap(_colormap,img._spectrum); - unsigned char *const ndata = (img._width==_width && img._height==_height)?(unsigned char*)_data: - new unsigned char[(unsigned long)img._width*img._height]; - unsigned char *ptrd = (unsigned char*)ndata; - switch (img._spectrum) { - case 1 : for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char R = (unsigned char)((*(data1++) - _min)*mm); - *(ptrd++) = R; - } break; - case 2 : for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char - R = (unsigned char)((*(data1++) - _min)*mm), - G = (unsigned char)((*(data2++) - _min)*mm); - (*ptrd++) = (R&0xf0) | (G>>4); - } break; - default : - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char - R = (unsigned char)((*(data1++) - _min)*mm), - G = (unsigned char)((*(data2++) - _min)*mm), - B = (unsigned char)((*(data3++) - _min)*mm); - *(ptrd++) = (R&0xe0) | ((G>>5)<<2) | (B>>6); - } - } - if (ndata!=_data) { - _render_resize(ndata,img._width,img._height,(unsigned char*)_data,_width,_height); - delete[] ndata; - } - } break; - case 16 : { // 16 bits colors, with normalization - unsigned short *const ndata = (img._width==_width && img._height==_height)?(unsigned short*)_data: - new unsigned short[(unsigned long)img._width*img._height]; - unsigned char *ptrd = (unsigned char*)ndata; - const unsigned int M = 248; - switch (img._spectrum) { - case 1 : - if (cimg::X11_attr().byte_order) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = (unsigned char)((*(data1++) - _min)*mm), G = val>>2; - *(ptrd++) = (val&M) | (G>>3); - *(ptrd++) = (G<<5) | (val>>3); - } else for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = (unsigned char)((*(data1++) - _min)*mm), G = val>>2; - *(ptrd++) = (G<<5) | (val>>3); - *(ptrd++) = (val&M) | (G>>3); - } - break; - case 2 : - if (cimg::X11_attr().byte_order) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char G = (unsigned char)((*(data2++) - _min)*mm)>>2; - *(ptrd++) = ((unsigned char)((*(data1++) - _min)*mm)&M) | (G>>3); - *(ptrd++) = (G<<5); - } else for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char G = (unsigned char)((*(data2++) - _min)*mm)>>2; - *(ptrd++) = (G<<5); - *(ptrd++) = ((unsigned char)((*(data1++) - _min)*mm)&M) | (G>>3); - } - break; - default : - if (cimg::X11_attr().byte_order) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char G = (unsigned char)((*(data2++) - _min)*mm)>>2; - *(ptrd++) = ((unsigned char)((*(data1++) - _min)*mm)&M) | (G>>3); - *(ptrd++) = (G<<5) | ((unsigned char)((*(data3++) - _min)*mm)>>3); - } else for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char G = (unsigned char)((*(data2++) - _min)*mm)>>2; - *(ptrd++) = (G<<5) | ((unsigned char)((*(data3++) - _min)*mm)>>3); - *(ptrd++) = ((unsigned char)((*(data1++) - _min)*mm)&M) | (G>>3); - } - } - if (ndata!=_data) { - _render_resize(ndata,img._width,img._height,(unsigned short*)_data,_width,_height); - delete[] ndata; - } - } break; - default : { // 24 bits colors, with normalization - unsigned int *const ndata = (img._width==_width && img._height==_height)?(unsigned int*)_data: - new unsigned int[(unsigned long)img._width*img._height]; - if (sizeof(int)==4) { // 32 bits int uses optimized version - unsigned int *ptrd = ndata; - switch (img._spectrum) { - case 1 : - if (cimg::X11_attr().byte_order==cimg::endianness()) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = (unsigned char)((*(data1++) - _min)*mm); - *(ptrd++) = (val<<16) | (val<<8) | val; - } - else - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = (unsigned char)((*(data1++) - _min)*mm); - *(ptrd++) = (val<<24) | (val<<16) | (val<<8); - } - break; - case 2 : - if (cimg::X11_attr().byte_order==cimg::endianness()) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) - *(ptrd++) = - ((unsigned char)((*(data1++) - _min)*mm)<<16) | - ((unsigned char)((*(data2++) - _min)*mm)<<8); - else - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) - *(ptrd++) = - ((unsigned char)((*(data2++) - _min)*mm)<<16) | - ((unsigned char)((*(data1++) - _min)*mm)<<8); - break; - default : - if (cimg::X11_attr().byte_order==cimg::endianness()) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) - *(ptrd++) = - ((unsigned char)((*(data1++) - _min)*mm)<<16) | - ((unsigned char)((*(data2++) - _min)*mm)<<8) | - (unsigned char)((*(data3++) - _min)*mm); - else - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) - *(ptrd++) = - ((unsigned char)((*(data3++) - _min)*mm)<<24) | - ((unsigned char)((*(data2++) - _min)*mm)<<16) | - ((unsigned char)((*(data1++) - _min)*mm)<<8); - } - } else { - unsigned char *ptrd = (unsigned char*)ndata; - switch (img._spectrum) { - case 1 : - if (cimg::X11_attr().byte_order) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = (unsigned char)((*(data1++) - _min)*mm); - (*ptrd++) = 0; - (*ptrd++) = val; - (*ptrd++) = val; - (*ptrd++) = val; - } else for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = (unsigned char)((*(data1++) - _min)*mm); - (*ptrd++) = val; - (*ptrd++) = val; - (*ptrd++) = val; - (*ptrd++) = 0; - } - break; - case 2 : - if (cimg::X11_attr().byte_order) cimg::swap(data1,data2); - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - (*ptrd++) = 0; - (*ptrd++) = (unsigned char)((*(data2++) - _min)*mm); - (*ptrd++) = (unsigned char)((*(data1++) - _min)*mm); - (*ptrd++) = 0; - } - break; - default : - if (cimg::X11_attr().byte_order) - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - (*ptrd++) = 0; - (*ptrd++) = (unsigned char)((*(data1++) - _min)*mm); - (*ptrd++) = (unsigned char)((*(data2++) - _min)*mm); - (*ptrd++) = (unsigned char)((*(data3++) - _min)*mm); - } else for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - (*ptrd++) = (unsigned char)((*(data3++) - _min)*mm); - (*ptrd++) = (unsigned char)((*(data2++) - _min)*mm); - (*ptrd++) = (unsigned char)((*(data1++) - _min)*mm); - (*ptrd++) = 0; - } - } - } - if (ndata!=_data) { - _render_resize(ndata,img._width,img._height,(unsigned int*)_data,_width,_height); - delete[] ndata; - } - } - } - } - cimg_unlock_display(); - return *this; - } - - template - const CImgDisplay& snapshot(CImg& img) const { - if (is_empty()) { img.assign(); return *this; } - const unsigned char *ptrs = (unsigned char*)_data; - img.assign(_width,_height,1,3); - T - *data1 = img.data(0,0,0,0), - *data2 = img.data(0,0,0,1), - *data3 = img.data(0,0,0,2); - if (cimg::X11_attr().is_blue_first) cimg::swap(data1,data3); - switch (cimg::X11_attr().nb_bits) { - case 8 : { - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = *(ptrs++); - *(data1++) = (T)(val&0xe0); - *(data2++) = (T)((val&0x1c)<<3); - *(data3++) = (T)(val<<6); - } - } break; - case 16 : { - if (cimg::X11_attr().byte_order) for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val0 = *(ptrs++), val1 = *(ptrs++); - *(data1++) = (T)(val0&0xf8); - *(data2++) = (T)((val0<<5) | ((val1&0xe0)>>5)); - *(data3++) = (T)(val1<<3); - } else for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned short val0 = *(ptrs++), val1 = *(ptrs++); - *(data1++) = (T)(val1&0xf8); - *(data2++) = (T)((val1<<5) | ((val0&0xe0)>>5)); - *(data3++) = (T)(val0<<3); - } - } break; - default : { - if (cimg::X11_attr().byte_order) for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - ++ptrs; - *(data1++) = (T)*(ptrs++); - *(data2++) = (T)*(ptrs++); - *(data3++) = (T)*(ptrs++); - } else for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - *(data3++) = (T)*(ptrs++); - *(data2++) = (T)*(ptrs++); - *(data1++) = (T)*(ptrs++); - ++ptrs; - } - } - } - return *this; - } - - // Windows-based implementation. - //------------------------------- -#elif cimg_display==2 - - bool _is_mouse_tracked, _is_cursor_visible; - HANDLE _thread, _is_created, _mutex; - HWND _window, _background_window; - CLIENTCREATESTRUCT _ccs; - unsigned int *_data; - DEVMODE _curr_mode; - BITMAPINFO _bmi; - HDC _hdc; - - static int screen_width() { - DEVMODE mode; - mode.dmSize = sizeof(DEVMODE); - mode.dmDriverExtra = 0; - EnumDisplaySettings(0,ENUM_CURRENT_SETTINGS,&mode); - return (int)mode.dmPelsWidth; - } - - static int screen_height() { - DEVMODE mode; - mode.dmSize = sizeof(DEVMODE); - mode.dmDriverExtra = 0; - EnumDisplaySettings(0,ENUM_CURRENT_SETTINGS,&mode); - return (int)mode.dmPelsHeight; - } - - static void wait_all() { - WaitForSingleObject(cimg::Win32_attr().wait_event,INFINITE); - } - - static LRESULT APIENTRY _handle_events(HWND window, UINT msg, WPARAM wParam, LPARAM lParam) { -#ifdef _WIN64 - CImgDisplay *const disp = (CImgDisplay*)GetWindowLongPtr(window,GWLP_USERDATA); -#else - CImgDisplay *const disp = (CImgDisplay*)GetWindowLong(window,GWL_USERDATA); -#endif - MSG st_msg; - switch (msg) { - case WM_CLOSE : - disp->_mouse_x = disp->_mouse_y = -1; - disp->_window_x = disp->_window_y = 0; - disp->set_button().set_key(0).set_key(0,false)._is_closed = true; - ReleaseMutex(disp->_mutex); - ShowWindow(disp->_window,SW_HIDE); - disp->_is_event = true; - SetEvent(cimg::Win32_attr().wait_event); - return 0; - case WM_SIZE : { - while (PeekMessage(&st_msg,window,WM_SIZE,WM_SIZE,PM_REMOVE)) {} - WaitForSingleObject(disp->_mutex,INFINITE); - const unsigned int nw = LOWORD(lParam),nh = HIWORD(lParam); - if (nw && nh && (nw!=disp->_width || nh!=disp->_height)) { - disp->_window_width = nw; - disp->_window_height = nh; - disp->_mouse_x = disp->_mouse_y = -1; - disp->_is_resized = disp->_is_event = true; - SetEvent(cimg::Win32_attr().wait_event); - } - ReleaseMutex(disp->_mutex); - } break; - case WM_MOVE : { - while (PeekMessage(&st_msg,window,WM_SIZE,WM_SIZE,PM_REMOVE)) {} - WaitForSingleObject(disp->_mutex,INFINITE); - const int nx = (int)(short)(LOWORD(lParam)), ny = (int)(short)(HIWORD(lParam)); - if (nx!=disp->_window_x || ny!=disp->_window_y) { - disp->_window_x = nx; - disp->_window_y = ny; - disp->_is_moved = disp->_is_event = true; - SetEvent(cimg::Win32_attr().wait_event); - } - ReleaseMutex(disp->_mutex); - } break; - case WM_PAINT : - disp->paint(); - cimg::mutex(15); - if (disp->_is_cursor_visible) while (ShowCursor(TRUE)<0); else while (ShowCursor(FALSE)>=0); - cimg::mutex(15,0); - break; - case WM_ERASEBKGND : - // return 0; - break; - case WM_KEYDOWN : - disp->set_key((unsigned int)wParam); - SetEvent(cimg::Win32_attr().wait_event); - break; - case WM_KEYUP : - disp->set_key((unsigned int)wParam,false); - SetEvent(cimg::Win32_attr().wait_event); - break; - case WM_MOUSEMOVE : { - while (PeekMessage(&st_msg,window,WM_MOUSEMOVE,WM_MOUSEMOVE,PM_REMOVE)) {} - disp->_mouse_x = LOWORD(lParam); - disp->_mouse_y = HIWORD(lParam); -#if (_WIN32_WINNT>=0x0400) && !defined(NOTRACKMOUSEEVENT) - if (!disp->_is_mouse_tracked) { - TRACKMOUSEEVENT tme; - tme.cbSize = sizeof(TRACKMOUSEEVENT); - tme.dwFlags = TME_LEAVE; - tme.hwndTrack = disp->_window; - if (TrackMouseEvent(&tme)) disp->_is_mouse_tracked = true; - } -#endif - if (disp->_mouse_x<0 || disp->_mouse_y<0 || disp->_mouse_x>=disp->width() || disp->_mouse_y>=disp->height()) - disp->_mouse_x = disp->_mouse_y = -1; - disp->_is_event = true; - SetEvent(cimg::Win32_attr().wait_event); - cimg::mutex(15); - if (disp->_is_cursor_visible) while (ShowCursor(TRUE)<0); else while (ShowCursor(FALSE)>=0); - cimg::mutex(15,0); - } break; - case WM_MOUSELEAVE : { - disp->_mouse_x = disp->_mouse_y = -1; - disp->_is_mouse_tracked = false; - cimg::mutex(15); - while (ShowCursor(TRUE)<0); - cimg::mutex(15,0); - } break; - case WM_LBUTTONDOWN : - disp->set_button(1); - SetEvent(cimg::Win32_attr().wait_event); - break; - case WM_RBUTTONDOWN : - disp->set_button(2); - SetEvent(cimg::Win32_attr().wait_event); - break; - case WM_MBUTTONDOWN : - disp->set_button(3); - SetEvent(cimg::Win32_attr().wait_event); - break; - case WM_LBUTTONUP : - disp->set_button(1,false); - SetEvent(cimg::Win32_attr().wait_event); - break; - case WM_RBUTTONUP : - disp->set_button(2,false); - SetEvent(cimg::Win32_attr().wait_event); - break; - case WM_MBUTTONUP : - disp->set_button(3,false); - SetEvent(cimg::Win32_attr().wait_event); - break; - case 0x020A : // WM_MOUSEWHEEL: - disp->set_wheel((int)((short)HIWORD(wParam))/120); - SetEvent(cimg::Win32_attr().wait_event); - } - return DefWindowProc(window,msg,wParam,lParam); - } - - static DWORD WINAPI _events_thread(void* arg) { - CImgDisplay *const disp = (CImgDisplay*)(((void**)arg)[0]); - const char *const title = (const char*)(((void**)arg)[1]); - MSG msg; - delete[] (void**)arg; - disp->_bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - disp->_bmi.bmiHeader.biWidth = disp->width(); - disp->_bmi.bmiHeader.biHeight = -disp->height(); - disp->_bmi.bmiHeader.biPlanes = 1; - disp->_bmi.bmiHeader.biBitCount = 32; - disp->_bmi.bmiHeader.biCompression = BI_RGB; - disp->_bmi.bmiHeader.biSizeImage = 0; - disp->_bmi.bmiHeader.biXPelsPerMeter = 1; - disp->_bmi.bmiHeader.biYPelsPerMeter = 1; - disp->_bmi.bmiHeader.biClrUsed = 0; - disp->_bmi.bmiHeader.biClrImportant = 0; - disp->_data = new unsigned int[(unsigned long)disp->_width*disp->_height]; - if (!disp->_is_fullscreen) { // Normal window - RECT rect; - rect.left = rect.top = 0; rect.right = (LONG)disp->_width - 1; rect.bottom = (LONG)disp->_height - 1; - AdjustWindowRect(&rect,WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,false); - const int - border1 = (int)((rect.right - rect.left + 1 - disp->_width)/2), - border2 = (int)(rect.bottom - rect.top + 1 - disp->_height - border1); - disp->_window = CreateWindowA("MDICLIENT",title?title:" ", - WS_OVERLAPPEDWINDOW | (disp->_is_closed?0:WS_VISIBLE), CW_USEDEFAULT,CW_USEDEFAULT, - disp->_width + 2*border1, disp->_height + border1 + border2, - 0,0,0,&(disp->_ccs)); - if (!disp->_is_closed) { - GetWindowRect(disp->_window,&rect); - disp->_window_x = rect.left + border1; - disp->_window_y = rect.top + border2; - } else disp->_window_x = disp->_window_y = 0; - } else { // Fullscreen window - const unsigned int - sx = (unsigned int)screen_width(), - sy = (unsigned int)screen_height(); - disp->_window = CreateWindowA("MDICLIENT",title?title:" ", - WS_POPUP | (disp->_is_closed?0:WS_VISIBLE), - (sx - disp->_width)/2, - (sy - disp->_height)/2, - disp->_width,disp->_height,0,0,0,&(disp->_ccs)); - disp->_window_x = disp->_window_y = 0; - } - SetForegroundWindow(disp->_window); - disp->_hdc = GetDC(disp->_window); - disp->_window_width = disp->_width; - disp->_window_height = disp->_height; - disp->flush(); -#ifdef _WIN64 - SetWindowLongPtr(disp->_window,GWLP_USERDATA,(LONG_PTR)disp); - SetWindowLongPtr(disp->_window,GWLP_WNDPROC,(LONG_PTR)_handle_events); -#else - SetWindowLong(disp->_window,GWL_USERDATA,(LONG)disp); - SetWindowLong(disp->_window,GWL_WNDPROC,(LONG)_handle_events); -#endif - SetEvent(disp->_is_created); - while (GetMessage(&msg,0,0,0)) DispatchMessage(&msg); - return 0; - } - - CImgDisplay& _update_window_pos() { - if (_is_closed) _window_x = _window_y = -1; - else { - RECT rect; - rect.left = rect.top = 0; rect.right = (LONG)_width - 1; rect.bottom = (LONG)_height - 1; - AdjustWindowRect(&rect,WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,false); - const int - border1 = (int)((rect.right - rect.left + 1 - _width)/2), - border2 = (int)(rect.bottom - rect.top + 1 - _height - border1); - GetWindowRect(_window,&rect); - _window_x = rect.left + border1; - _window_y = rect.top + border2; - } - return *this; - } - - void _init_fullscreen() { - _background_window = 0; - if (!_is_fullscreen || _is_closed) _curr_mode.dmSize = 0; - else { - DEVMODE mode; - unsigned int imode = 0, ibest = 0, bestbpp = 0, bw = ~0U, bh = ~0U; - for (mode.dmSize = sizeof(DEVMODE), mode.dmDriverExtra = 0; EnumDisplaySettings(0,imode,&mode); ++imode) { - const unsigned int nw = mode.dmPelsWidth, nh = mode.dmPelsHeight; - if (nw>=_width && nh>=_height && mode.dmBitsPerPel>=bestbpp && nw<=bw && nh<=bh) { - bestbpp = mode.dmBitsPerPel; - ibest = imode; - bw = nw; bh = nh; - } - } - if (bestbpp) { - _curr_mode.dmSize = sizeof(DEVMODE); _curr_mode.dmDriverExtra = 0; - EnumDisplaySettings(0,ENUM_CURRENT_SETTINGS,&_curr_mode); - EnumDisplaySettings(0,ibest,&mode); - ChangeDisplaySettings(&mode,0); - } else _curr_mode.dmSize = 0; - - const unsigned int - sx = (unsigned int)screen_width(), - sy = (unsigned int)screen_height(); - if (sx!=_width || sy!=_height) { - CLIENTCREATESTRUCT background_ccs; - _background_window = CreateWindowA("MDICLIENT","",WS_POPUP | WS_VISIBLE, 0,0,sx,sy,0,0,0,&background_ccs); - SetForegroundWindow(_background_window); - } - } - } - - void _desinit_fullscreen() { - if (!_is_fullscreen) return; - if (_background_window) DestroyWindow(_background_window); - _background_window = 0; - if (_curr_mode.dmSize) ChangeDisplaySettings(&_curr_mode,0); - _is_fullscreen = false; - } - - CImgDisplay& _assign(const unsigned int dimw, const unsigned int dimh, const char *const ptitle=0, - const unsigned int normalization_type=3, - const bool fullscreen_flag=false, const bool closed_flag=false) { - - // Allocate space for window title - const char *const nptitle = ptitle?ptitle:""; - const unsigned int s = (unsigned int)std::strlen(nptitle) + 1; - char *const tmp_title = s?new char[s]:0; - if (s) std::memcpy(tmp_title,nptitle,s*sizeof(char)); - - // Destroy previous window if existing - if (!is_empty()) assign(); - - // Set display variables - _width = cimg::min(dimw,(unsigned int)screen_width()); - _height = cimg::min(dimh,(unsigned int)screen_height()); - _normalization = normalization_type<4?normalization_type:3; - _is_fullscreen = fullscreen_flag; - _window_x = _window_y = 0; - _is_closed = closed_flag; - _is_cursor_visible = true; - _is_mouse_tracked = false; - _title = tmp_title; - flush(); - if (_is_fullscreen) _init_fullscreen(); - - // Create event thread - void *const arg = (void*)(new void*[2]); - ((void**)arg)[0] = (void*)this; - ((void**)arg)[1] = (void*)_title; - _mutex = CreateMutex(0,FALSE,0); - _is_created = CreateEvent(0,FALSE,FALSE,0); - _thread = CreateThread(0,0,_events_thread,arg,0,0); - WaitForSingleObject(_is_created,INFINITE); - return *this; - } - - CImgDisplay& assign() { - if (is_empty()) return flush(); - DestroyWindow(_window); - TerminateThread(_thread,0); - delete[] _data; - delete[] _title; - _data = 0; - _title = 0; - if (_is_fullscreen) _desinit_fullscreen(); - _width = _height = _normalization = _window_width = _window_height = 0; - _window_x = _window_y = 0; - _is_fullscreen = false; - _is_closed = true; - _min = _max = 0; - _title = 0; - flush(); - return *this; - } - - CImgDisplay& assign(const unsigned int dimw, const unsigned int dimh, const char *const title=0, - const unsigned int normalization_type=3, - const bool fullscreen_flag=false, const bool closed_flag=false) { - if (!dimw || !dimh) return assign(); - _assign(dimw,dimh,title,normalization_type,fullscreen_flag,closed_flag); - _min = _max = 0; - std::memset(_data,0,sizeof(unsigned int)*_width*_height); - return paint(); - } - - template - CImgDisplay& assign(const CImg& img, const char *const title=0, - const unsigned int normalization_type=3, - const bool fullscreen_flag=false, const bool closed_flag=false) { - if (!img) return assign(); - CImg tmp; - const CImg& nimg = (img._depth==1)?img:(tmp=img.get_projections2d((img._width - 1)/2, - (img._height - 1)/2, - (img._depth - 1)/2)); - _assign(nimg._width,nimg._height,title,normalization_type,fullscreen_flag,closed_flag); - if (_normalization==2) _min = (float)nimg.min_max(_max); - return display(nimg); - } - - template - CImgDisplay& assign(const CImgList& list, const char *const title=0, - const unsigned int normalization_type=3, - const bool fullscreen_flag=false, const bool closed_flag=false) { - if (!list) return assign(); - CImg tmp; - const CImg img = list>'x', &nimg = (img._depth==1)?img:(tmp=img.get_projections2d((img._width - 1)/2, - (img._height - 1)/2, - (img._depth - 1)/2)); - _assign(nimg._width,nimg._height,title,normalization_type,fullscreen_flag,closed_flag); - if (_normalization==2) _min = (float)nimg.min_max(_max); - return display(nimg); - } - - CImgDisplay& assign(const CImgDisplay& disp) { - if (!disp) return assign(); - _assign(disp._width,disp._height,disp._title,disp._normalization,disp._is_fullscreen,disp._is_closed); - std::memcpy(_data,disp._data,sizeof(unsigned int)*_width*_height); - return paint(); - } - - CImgDisplay& resize(const int nwidth, const int nheight, const bool force_redraw=true) { - if (!nwidth || !nheight || (is_empty() && (nwidth<0 || nheight<0))) return assign(); - if (is_empty()) return assign(nwidth,nheight); - const unsigned int - tmpdimx = (nwidth>0)?nwidth:(-nwidth*_width/100), - tmpdimy = (nheight>0)?nheight:(-nheight*_height/100), - dimx = tmpdimx?tmpdimx:1, - dimy = tmpdimy?tmpdimy:1; - if (_width!=dimx || _height!=dimy || _window_width!=dimx || _window_height!=dimy) { - if (_window_width!=dimx || _window_height!=dimy) { - RECT rect; rect.left = rect.top = 0; rect.right = (LONG)dimx - 1; rect.bottom = (LONG)dimy - 1; - AdjustWindowRect(&rect,WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,false); - const int cwidth = rect.right - rect.left + 1, cheight = rect.bottom - rect.top + 1; - SetWindowPos(_window,0,0,0,cwidth,cheight,SWP_NOMOVE | SWP_NOZORDER | SWP_NOCOPYBITS); - } - if (_width!=dimx || _height!=dimy) { - unsigned int *const ndata = new unsigned int[dimx*dimy]; - if (force_redraw) _render_resize(_data,_width,_height,ndata,dimx,dimy); - else std::memset(ndata,0x80,sizeof(unsigned int)*dimx*dimy); - delete[] _data; - _data = ndata; - _bmi.bmiHeader.biWidth = (LONG)dimx; - _bmi.bmiHeader.biHeight = -(int)dimy; - _width = dimx; - _height = dimy; - } - _window_width = dimx; _window_height = dimy; - show(); - } - _is_resized = false; - if (_is_fullscreen) move((screen_width() - width())/2,(screen_height() - height())/2); - if (force_redraw) return paint(); - return *this; - } - - CImgDisplay& toggle_fullscreen(const bool force_redraw=true) { - if (is_empty()) return *this; - if (force_redraw) { - const unsigned long buf_size = _width*_height*4UL; - void *odata = std::malloc(buf_size); - if (odata) { - std::memcpy(odata,_data,buf_size); - assign(_width,_height,_title,_normalization,!_is_fullscreen,false); - std::memcpy(_data,odata,buf_size); - std::free(odata); - } - return paint(); - } - return assign(_width,_height,_title,_normalization,!_is_fullscreen,false); - } - - CImgDisplay& show() { - if (is_empty() || !_is_closed) return *this; - _is_closed = false; - if (_is_fullscreen) _init_fullscreen(); - ShowWindow(_window,SW_SHOW); - _update_window_pos(); - return paint(); - } - - CImgDisplay& close() { - if (is_empty() || _is_closed) return *this; - _is_closed = true; - if (_is_fullscreen) _desinit_fullscreen(); - ShowWindow(_window,SW_HIDE); - _window_x = _window_y = 0; - return *this; - } - - CImgDisplay& move(const int posx, const int posy) { - if (is_empty()) return *this; - if (_window_x!=posx || _window_y!=posy) { - if (!_is_fullscreen) { - RECT rect; - rect.left = rect.top = 0; rect.right = (LONG)_window_width - 1; rect.bottom = (LONG)_window_height - 1; - AdjustWindowRect(&rect,WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,false); - const int - border1 = (int)((rect.right - rect.left + 1 -_width)/2), - border2 = (int)(rect.bottom - rect.top + 1 - _height - border1); - SetWindowPos(_window,0,posx - border1,posy - border2,0,0,SWP_NOSIZE | SWP_NOZORDER); - } else SetWindowPos(_window,0,posx,posy,0,0,SWP_NOSIZE | SWP_NOZORDER); - _window_x = posx; - _window_y = posy; - show(); - } - _is_moved = false; - return *this; - } - - CImgDisplay& show_mouse() { - if (is_empty()) return *this; - _is_cursor_visible = true; - return *this; - } - - CImgDisplay& hide_mouse() { - if (is_empty()) return *this; - _is_cursor_visible = false; - return *this; - } - - CImgDisplay& set_mouse(const int posx, const int posy) { - if (is_empty() || _is_closed || posx<0 || posy<0) return *this; - _update_window_pos(); - const int res = (int)SetCursorPos(_window_x + posx,_window_y + posy); - if (res) { _mouse_x = posx; _mouse_y = posy; } - return *this; - } - - CImgDisplay& set_title(const char *const format, ...) { - if (is_empty()) return *this; - char *const tmp = new char[1024]; - va_list ap; - va_start(ap, format); - cimg_vsnprintf(tmp,1024,format,ap); - va_end(ap); - if (!std::strcmp(_title,tmp)) { delete[] tmp; return *this; } - delete[] _title; - const unsigned int s = (unsigned int)std::strlen(tmp) + 1; - _title = new char[s]; - std::memcpy(_title,tmp,s*sizeof(char)); - SetWindowTextA(_window, tmp); - delete[] tmp; - return *this; - } - - template - CImgDisplay& display(const CImg& img) { - if (!img) - throw CImgArgumentException(_cimgdisplay_instance - "display(): Empty specified image.", - cimgdisplay_instance); - if (is_empty()) return assign(img); - return render(img).paint(); - } - - CImgDisplay& paint() { - if (_is_closed) return *this; - WaitForSingleObject(_mutex,INFINITE); - SetDIBitsToDevice(_hdc,0,0,_width,_height,0,0,0,_height,_data,&_bmi,DIB_RGB_COLORS); - ReleaseMutex(_mutex); - return *this; - } - - template - CImgDisplay& render(const CImg& img) { - if (!img) - throw CImgArgumentException(_cimgdisplay_instance - "render(): Empty specified image.", - cimgdisplay_instance); - - if (is_empty()) return *this; - if (img._depth!=1) return render(img.get_projections2d((img._width - 1)/2,(img._height - 1)/2, - (img._depth - 1)/2)); - - const T - *data1 = img._data, - *data2 = (img._spectrum>=2)?img.data(0,0,0,1):data1, - *data3 = (img._spectrum>=3)?img.data(0,0,0,2):data1; - - WaitForSingleObject(_mutex,INFINITE); - unsigned int - *const ndata = (img._width==_width && img._height==_height)?_data: - new unsigned int[(unsigned long)img._width*img._height], - *ptrd = ndata; - - if (!_normalization || (_normalization==3 && cimg::type::string()==cimg::type::string())) { - _min = _max = 0; - switch (img._spectrum) { - case 1 : { - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = (unsigned char)*(data1++); - *(ptrd++) = (unsigned int)((val<<16) | (val<<8) | val); - } - } break; - case 2 : { - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char - R = (unsigned char)*(data1++), - G = (unsigned char)*(data2++); - *(ptrd++) = (unsigned int)((R<<16) | (G<<8)); - } - } break; - default : { - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char - R = (unsigned char)*(data1++), - G = (unsigned char)*(data2++), - B = (unsigned char)*(data3++); - *(ptrd++) = (unsigned int)((R<<16) | (G<<8) | B); - } - } - } - } else { - if (_normalization==3) { - if (cimg::type::is_float()) _min = (float)img.min_max(_max); - else { _min = (float)cimg::type::min(); _max = (float)cimg::type::max(); } - } else if ((_min>_max) || _normalization==1) _min = (float)img.min_max(_max); - const float delta = _max - _min, mm = 255/(delta?delta:1.0f); - switch (img._spectrum) { - case 1 : { - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char val = (unsigned char)((*(data1++) - _min)*mm); - *(ptrd++) = (unsigned int)((val<<16) | (val<<8) | val); - } - } break; - case 2 : { - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char - R = (unsigned char)((*(data1++) - _min)*mm), - G = (unsigned char)((*(data2++) - _min)*mm); - *(ptrd++) = (unsigned int)((R<<16) | (G<<8)); - } - } break; - default : { - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned char - R = (unsigned char)((*(data1++) - _min)*mm), - G = (unsigned char)((*(data2++) - _min)*mm), - B = (unsigned char)((*(data3++) - _min)*mm); - *(ptrd++) = (unsigned int)((R<<16) | (G<<8) | B); - } - } - } - } - if (ndata!=_data) { _render_resize(ndata,img._width,img._height,_data,_width,_height); delete[] ndata; } - ReleaseMutex(_mutex); - return *this; - } - - template - const CImgDisplay& snapshot(CImg& img) const { - if (is_empty()) { img.assign(); return *this; } - const unsigned int *ptrs = _data; - img.assign(_width,_height,1,3); - T - *data1 = img.data(0,0,0,0), - *data2 = img.data(0,0,0,1), - *data3 = img.data(0,0,0,2); - for (unsigned long xy = (unsigned long)img._width*img._height; xy>0; --xy) { - const unsigned int val = *(ptrs++); - *(data1++) = (T)(unsigned char)(val>>16); - *(data2++) = (T)(unsigned char)((val>>8)&0xFF); - *(data3++) = (T)(unsigned char)(val&0xFF); - } - return *this; - } -#endif - - //@} - }; - - /* - #-------------------------------------- - # - # - # - # Definition of the CImg structure - # - # - # - #-------------------------------------- - */ - - //! Class representing an image (up to 4 dimensions wide), each pixel being of type \c T. - /** - This is the main class of the %CImg Library. It declares and constructs - an image, allows access to its pixel values, and is able to perform various image operations. - - \par Image representation - - A %CImg image is defined as an instance of the container \c CImg, which contains a regular grid of pixels, - each pixel value being of type \c T. The image grid can have up to 4 dimensions: width, height, depth - and number of channels. - Usually, the three first dimensions are used to describe spatial coordinates (x,y,z), - while the number of channels is rather used as a vector-valued dimension - (it may describe the R,G,B color channels for instance). - If you need a fifth dimension, you can use image lists \c CImgList rather than simple images \c CImg. - - Thus, the \c CImg class is able to represent volumetric images of vector-valued pixels, - as well as images with less dimensions (1d scalar signal, 2d color images, ...). - Most member functions of the class CImg<\c T> are designed to handle this maximum case of (3+1) dimensions. - - Concerning the pixel value type \c T: - fully supported template types are the basic C++ types: unsigned char, char, short, unsigned int, int, - unsigned long, long, float, double, ... . - Typically, fast image display can be done using CImg images, - while complex image processing algorithms may be rather coded using CImg or CImg - images that have floating-point pixel values. The default value for the template T is \c float. - Using your own template types may be possible. However, you will certainly have to define the complete set - of arithmetic and logical operators for your class. - - \par Image structure - - The \c CImg structure contains \e six fields: - - \c _width defines the number of \a columns of the image (size along the X-axis). - - \c _height defines the number of \a rows of the image (size along the Y-axis). - - \c _depth defines the number of \a slices of the image (size along the Z-axis). - - \c _spectrum defines the number of \a channels of the image (size along the C-axis). - - \c _data defines a \a pointer to the \a pixel \a data (of type \c T). - - \c _is_shared is a boolean that tells if the memory buffer \c data is shared with - another image. - - You can access these fields publicly although it is recommended to use the dedicated functions - width(), height(), depth(), spectrum() and ptr() to do so. - Image dimensions are not limited to a specific range (as long as you got enough available memory). - A value of \e 1 usually means that the corresponding dimension is \a flat. - If one of the dimensions is \e 0, or if the data pointer is null, the image is considered as \e empty. - Empty images should not contain any pixel data and thus, will not be processed by CImg member functions - (a CImgInstanceException will be thrown instead). - Pixel data are stored in memory, in a non interlaced mode (See \ref cimg_storage). - - \par Image declaration and construction - - Declaring an image can be done by using one of the several available constructors. - Here is a list of the most used: - - - Construct images from arbitrary dimensions: - - CImg img; declares an empty image. - - CImg img(128,128); declares a 128x128 greyscale image with - \c unsigned \c char pixel values. - - CImg img(3,3); declares a 3x3 matrix with \c double coefficients. - - CImg img(256,256,1,3); declares a 256x256x1x3 (color) image - (colors are stored as an image with three channels). - - CImg img(128,128,128); declares a 128x128x128 volumetric and greyscale image - (with \c double pixel values). - - CImg<> img(128,128,128,3); declares a 128x128x128 volumetric color image - (with \c float pixels, which is the default value of the template parameter \c T). - - \b Note: images pixels are not automatically initialized to 0. You may use the function \c fill() to - do it, or use the specific constructor taking 5 parameters like this: - CImg<> img(128,128,128,3,0); declares a 128x128x128 volumetric color image with all pixel values to 0. - - - Construct images from filenames: - - CImg img("image.jpg"); reads a JPEG color image from the file "image.jpg". - - CImg img("analyze.hdr"); reads a volumetric image (ANALYZE7.5 format) from the - file "analyze.hdr". - - \b Note: You need to install ImageMagick - to be able to read common compressed image formats (JPG,PNG, ...) (See \ref cimg_files_io). - - - Construct images from C-style arrays: - - CImg img(data_buffer,256,256); constructs a 256x256 greyscale image from a \c int* buffer - \c data_buffer (of size 256x256=65536). - - CImg img(data_buffer,256,256,1,3); constructs a 256x256 color image - from a \c unsigned \c char* buffer \c data_buffer (where R,G,B channels follow each others). - - The complete list of constructors can be found here. - - \par Most useful functions - - The \c CImg class contains a lot of functions that operates on images. - Some of the most useful are: - - - operator()(): Read or write pixel values. - - display(): displays the image in a new window. - **/ - template - struct CImg { - - unsigned int _width, _height, _depth, _spectrum; - bool _is_shared; - T *_data; - - //! Simple iterator type, to loop through each pixel value of an image instance. - /** - \note - - The \c CImg::iterator type is defined to be a T*. - - You will seldom have to use iterators in %CImg, most classical operations - being achieved (often in a faster way) using methods of \c CImg. - \par Example - \code - CImg img("reference.jpg"); // Load image from file. - for (CImg::iterator it = img.begin(), it::const_iterator type is defined to be a \c const \c T*. - - You will seldom have to use iterators in %CImg, most classical operations - being achieved (often in a faster way) using methods of \c CImg. - \par Example - \code - const CImg img("reference.jpg"); // Load image from file. - float sum = 0; - for (CImg::iterator it = img.begin(), it::value_type type of a \c CImg is defined to be a \c T. - - \c CImg::value_type is actually not used in %CImg methods. It has been mainly defined for - compatibility with STL naming conventions. - **/ - typedef T value_type; - - // Define common types related to template type T. - typedef typename cimg::superset::type Tbool; - typedef typename cimg::superset::type Tuchar; - typedef typename cimg::superset::type Tchar; - typedef typename cimg::superset::type Tushort; - typedef typename cimg::superset::type Tshort; - typedef typename cimg::superset::type Tuint; - typedef typename cimg::superset::type Tint; - typedef typename cimg::superset::type Tulong; - typedef typename cimg::superset::type Tlong; - typedef typename cimg::superset::type Tfloat; - typedef typename cimg::superset::type Tdouble; - typedef typename cimg::last::type boolT; - typedef typename cimg::last::type ucharT; - typedef typename cimg::last::type charT; - typedef typename cimg::last::type ushortT; - typedef typename cimg::last::type shortT; - typedef typename cimg::last::type uintT; - typedef typename cimg::last::type intT; - typedef typename cimg::last::type ulongT; - typedef typename cimg::last::type longT; - typedef typename cimg::last::type floatT; - typedef typename cimg::last::type doubleT; -#if cimg_OS==2 - typedef typename cimg::last::type uptrT; // Unsigned integer type that can store a pointer. - typedef typename cimg::last::type ptrT; // Signed integer type that can store a pointer. -#else - typedef typename cimg::last::type uptrT; - typedef typename cimg::last::type ptrT; -#endif - - //@} - //--------------------------- - // - //! \name Plugins - //@{ - //--------------------------- -#ifdef cimg_plugin -#include cimg_plugin -#endif -#ifdef cimg_plugin1 -#include cimg_plugin1 -#endif -#ifdef cimg_plugin2 -#include cimg_plugin2 -#endif -#ifdef cimg_plugin3 -#include cimg_plugin3 -#endif -#ifdef cimg_plugin4 -#include cimg_plugin4 -#endif -#ifdef cimg_plugin5 -#include cimg_plugin5 -#endif -#ifdef cimg_plugin6 -#include cimg_plugin6 -#endif -#ifdef cimg_plugin7 -#include cimg_plugin7 -#endif -#ifdef cimg_plugin8 -#include cimg_plugin8 -#endif - - //@} - //--------------------------------------------------------- - // - //! \name Constructors / Destructor / Instance Management - //@{ - //--------------------------------------------------------- - - //! Destroy image. - /** - \note - - The pixel buffer data() is deallocated if necessary, e.g. for non-empty and non-shared image instances. - - Destroying an empty or shared image does nothing actually. - \warning - - When destroying a non-shared image, make sure that you will \e not operate on a remaining shared image - that shares its buffer with the destroyed instance, in order to avoid further invalid memory access - (to a deallocated buffer). - **/ - ~CImg() { - if (!_is_shared) delete[] _data; - } - - //! Construct empty image. - /** - \note - - An empty image has no pixel data and all of its dimensions width(), height(), depth(), spectrum() - are set to \c 0, as well as its pixel buffer pointer data(). - - An empty image may be re-assigned afterwards, e.g. with the family of - assign(unsigned int,unsigned int,unsigned int,unsigned int) methods, - or by operator=(const CImg&). In all cases, the type of pixels stays \c T. - - An empty image is never shared. - \par Example - \code - CImg img1, img2; // Construct two empty images. - img1.assign(256,256,1,3); // Re-assign 'img1' to be a 256x256x1x3 (color) image. - img2 = img1.get_rand(0,255); // Re-assign 'img2' to be a random-valued version of 'img1'. - img2.assign(); // Re-assign 'img2' to be an empty image again. - \endcode - **/ - CImg():_width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) {} - - //! Construct image with specified size. - /** - \param size_x Image width(). - \param size_y Image height(). - \param size_z Image depth(). - \param size_c Image spectrum() (number of channels). - \note - - It is able to create only \e non-shared images, and allocates thus a pixel buffer data() - for each constructed image instance. - - Setting one dimension \c size_x,\c size_y,\c size_z or \c size_c to \c 0 leads to the construction of - an \e empty image. - - A \c CImgInstanceException is thrown when the pixel buffer cannot be allocated - (e.g. when requested size is too big for available memory). - \warning - - The allocated pixel buffer is \e not filled with a default value, and is likely to contain garbage values. - In order to initialize pixel values during construction (e.g. with \c 0), use constructor - CImg(unsigned int,unsigned int,unsigned int,unsigned int,T) instead. - \par Example - \code - CImg img1(256,256,1,3); // Construct a 256x256x1x3 (color) image, filled with garbage values. - CImg img2(256,256,1,3,0); // Construct a 256x256x1x3 (color) image, filled with value '0'. - \endcode - **/ - explicit CImg(const unsigned int size_x, const unsigned int size_y=1, - const unsigned int size_z=1, const unsigned int size_c=1): - _is_shared(false) { - const unsigned long siz = (unsigned long)size_x*size_y*size_z*size_c; - if (siz) { - _width = size_x; _height = size_y; _depth = size_z; _spectrum = size_c; - try { _data = new T[siz]; } catch (...) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgInstanceException(_cimg_instance - "CImg(): Failed to allocate memory (%s) for image (%u,%u,%u,%u).", - cimg_instance, - cimg::strbuffersize(sizeof(T)*size_x*size_y*size_z*size_c), - size_x,size_y,size_z,size_c); - } - } else { _width = _height = _depth = _spectrum = 0; _data = 0; } - } - - //! Construct image with specified size and initialize pixel values. - /** - \param size_x Image width(). - \param size_y Image height(). - \param size_z Image depth(). - \param size_c Image spectrum() (number of channels). - \param value Initialization value. - \note - - Similar to CImg(unsigned int,unsigned int,unsigned int,unsigned int), - but it also fills the pixel buffer with the specified \c value. - \warning - - It cannot be used to construct a vector-valued image and initialize it with \e vector-valued pixels - (e.g. RGB vector, for color images). - For this task, you may use fillC() after construction. - **/ - CImg(const unsigned int size_x, const unsigned int size_y, - const unsigned int size_z, const unsigned int size_c, const T& value): - _is_shared(false) { - const unsigned long siz = (unsigned long)size_x*size_y*size_z*size_c; - if (siz) { - _width = size_x; _height = size_y; _depth = size_z; _spectrum = size_c; - try { _data = new T[siz]; } catch (...) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgInstanceException(_cimg_instance - "CImg(): Failed to allocate memory (%s) for image (%u,%u,%u,%u).", - cimg_instance, - cimg::strbuffersize(sizeof(T)*size_x*size_y*size_z*size_c), - size_x,size_y,size_z,size_c); - } - fill(value); - } else { _width = _height = _depth = _spectrum = 0; _data = 0; } - } - - //! Construct image with specified size and initialize pixel values from a sequence of integers. - /** - Construct a new image instance of size \c size_x x \c size_y x \c size_z x \c size_c, - with pixels of type \c T, and initialize pixel - values from the specified sequence of integers \c value0,\c value1,\c ... - \param size_x Image width(). - \param size_y Image height(). - \param size_z Image depth(). - \param size_c Image spectrum() (number of channels). - \param value0 First value of the initialization sequence (must be an \e integer). - \param value1 Second value of the initialization sequence (must be an \e integer). - \param ... - \note - - Similar to CImg(unsigned int,unsigned int,unsigned int,unsigned int), but it also fills - the pixel buffer with a sequence of specified integer values. - \warning - - You must specify \e exactly \c size_x*\c size_y*\c size_z*\c size_c integers in the initialization sequence. - Otherwise, the constructor may crash or fill your image pixels with garbage. - \par Example - \code - const CImg img(2,2,1,3, // Construct a 2x2 color (RGB) image. - 0,255,0,255, // Set the 4 values for the red component. - 0,0,255,255, // Set the 4 values for the green component. - 64,64,64,64); // Set the 4 values for the blue component. - img.resize(150,150).display(); - \endcode - \image html ref_constructor1.jpg - **/ - CImg(const unsigned int size_x, const unsigned int size_y, const unsigned int size_z, const unsigned int size_c, - const int value0, const int value1, ...): - _width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) { -#define _CImg_stdarg(img,a0,a1,N,t) { \ - unsigned long _siz = (unsigned long)N; \ - if (_siz--) { \ - va_list ap; \ - va_start(ap,a1); \ - T *ptrd = (img)._data; \ - *(ptrd++) = (T)a0; \ - if (_siz--) { \ - *(ptrd++) = (T)a1; \ - for ( ; _siz; --_siz) *(ptrd++) = (T)va_arg(ap,t); \ - } \ - va_end(ap); \ - } \ - } - assign(size_x,size_y,size_z,size_c); - _CImg_stdarg(*this,value0,value1,(unsigned long)size_x*size_y*size_z*size_c,int); - } - -#if defined(cimg_use_cpp11) && cimg_use_cpp11!=0 - //! Construct image with specified size and initialize pixel values from an initializer list of integers. - /** - Construct a new image instance of size \c size_x x \c size_y x \c size_z x \c size_c, - with pixels of type \c T, and initialize pixel - values from the specified initializer list of integers { \c value0,\c value1,\c ... } - \param size_x Image width(). - \param size_y Image height(). - \param size_z Image depth(). - \param size_c Image spectrum() (number of channels). - \param { value0, value1, ... } Initialization list - \param repeat_values Tells if the value filling process is repeated over the image. - - \note - - Similar to CImg(unsigned int,unsigned int,unsigned int,unsigned int), but it also fills - the pixel buffer with a sequence of specified integer values. - \par Example - \code - const CImg img(2,2,1,3, // Construct a 2x2 color (RGB) image. - { 0,255,0,255, // Set the 4 values for the red component. - 0,0,255,255, // Set the 4 values for the green component. - 64,64,64,64 }); // Set the 4 values for the blue component. - img.resize(150,150).display(); - \endcode - \image html ref_constructor1.jpg - **/ - template - CImg(const unsigned int size_x, const unsigned int size_y, const unsigned int size_z, const unsigned int size_c, - const std::initializer_list values, - const bool repeat_values=true): - _width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) { -#define _cimg_constructor_cpp11(repeat_values) \ - auto it = values.begin(); \ - unsigned long siz = size(); \ - if (repeat_values) for (T *ptrd = _data; siz--; ) { \ - *(ptrd++) = (T)(*(it++)); if (it==values.end()) it = values.begin(); } \ - else { siz = cimg::min(siz,values.size()); for (T *ptrd = _data; siz--; ) *(ptrd++) = (T)(*(it++)); } - assign(size_x,size_y,size_z,size_c); - _cimg_constructor_cpp11(repeat_values); - } - - template - CImg(const unsigned int size_x, const unsigned int size_y, const unsigned int size_z, - std::initializer_list values, - const bool repeat_values=true): - _width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) { - assign(size_x,size_y,size_z); - _cimg_constructor_cpp11(repeat_values); - } - - template - CImg(const unsigned int size_x, const unsigned int size_y, - std::initializer_list values, - const bool repeat_values=true): - _width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) { - assign(size_x,size_y); - _cimg_constructor_cpp11(repeat_values); - } - - template - CImg(const unsigned int size_x, - std::initializer_list values, - const bool repeat_values=true):_width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) { - assign(size_x); - _cimg_constructor_cpp11(repeat_values); - } - - //! Construct single channel 1D image with pixel values and width obtained from an initializer list of integers. - /** - Construct a new image instance of size \c width x \c 1 x \c 1 x \c 1, - with pixels of type \c T, and initialize pixel - values from the specified initializer list of integers { \c value0,\c value1,\c ... }. Image width is - given by the size of the initializer list. - \param { value0, value1, ... } Initialization list - \note - - Similar to CImg(unsigned int,unsigned int,unsigned int,unsigned int) with height=1, depth=1, and spectrum=1, - but it also fills the pixel buffer with a sequence of specified integer values. - \par Example - \code - const CImg img = {10,20,30,20,10 }; // Construct a 5x1 image with one channel, and set its pixel values. - img.resize(150,150).display(); - \endcode - \image html ref_constructor1.jpg - **/ - template - CImg(const std::initializer_list values): - _width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) { - assign(values.size(),1,1,1); - auto it = values.begin(); - unsigned long siz = _width; - for (T *ptrd = _data; siz--; ) *(ptrd++) = (T)(*(it++)); - } - - template - CImg & operator=(std::initializer_list values) { - _cimg_constructor_cpp11(siz>values.size()); - return *this; - } -#endif - - //! Construct image with specified size and initialize pixel values from a sequence of doubles. - /** - Construct a new image instance of size \c size_x x \c size_y x \c size_z x \c size_c, with pixels of type \c T, - and initialize pixel values from the specified sequence of doubles \c value0,\c value1,\c ... - \param size_x Image width(). - \param size_y Image height(). - \param size_z Image depth(). - \param size_c Image spectrum() (number of channels). - \param value0 First value of the initialization sequence (must be a \e double). - \param value1 Second value of the initialization sequence (must be a \e double). - \param ... - \note - - Similar to CImg(unsigned int,unsigned int,unsigned int,unsigned int,int,int,...), but - takes a sequence of double values instead of integers. - \warning - - You must specify \e exactly \c dx*\c dy*\c dz*\c dc doubles in the initialization sequence. - Otherwise, the constructor may crash or fill your image with garbage. - For instance, the code below will probably crash on most platforms: - \code - const CImg img(2,2,1,1, 0.5,0.5,255,255); // FAIL: The two last arguments are 'int', not 'double'! - \endcode - **/ - CImg(const unsigned int size_x, const unsigned int size_y, const unsigned int size_z, const unsigned int size_c, - const double value0, const double value1, ...): - _width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) { - assign(size_x,size_y,size_z,size_c); - _CImg_stdarg(*this,value0,value1,(unsigned long)size_x*size_y*size_z*size_c,double); - } - - //! Construct image with specified size and initialize pixel values from a value string. - /** - Construct a new image instance of size \c size_x x \c size_y x \c size_z x \c size_c, with pixels of type \c T, - and initializes pixel values from the specified string \c values. - \param size_x Image width(). - \param size_y Image height(). - \param size_z Image depth(). - \param size_c Image spectrum() (number of channels). - \param values Value string describing the way pixel values are set. - \param repeat_values Tells if the value filling process is repeated over the image. - \note - - Similar to CImg(unsigned int,unsigned int,unsigned int,unsigned int), but it also fills - the pixel buffer with values described in the value string \c values. - - Value string \c values may describe two different filling processes: - - Either \c values is a sequences of values assigned to the image pixels, as in "1,2,3,7,8,2". - In this case, set \c repeat_values to \c true to periodically fill the image with the value sequence. - - Either, \c values is a formula, as in "cos(x/10)*sin(y/20)". - In this case, parameter \c repeat_values is pointless. - - For both cases, specifying \c repeat_values is mandatory. - It disambiguates the possible overloading of constructor - CImg(unsigned int,unsigned int,unsigned int,unsigned int,T) with \c T being a const char*. - - A \c CImgArgumentException is thrown when an invalid value string \c values is specified. - \par Example - \code - const CImg img1(129,129,1,3,"0,64,128,192,255",true), // Construct image filled from a value sequence. - img2(129,129,1,3,"if(c==0,255*abs(cos(x/10)),1.8*y)",false); // Construct image filled from a formula. - (img1,img2).display(); - \endcode - \image html ref_constructor2.jpg - **/ - CImg(const unsigned int size_x, const unsigned int size_y, const unsigned int size_z, const unsigned int size_c, - const char *const values, const bool repeat_values):_is_shared(false) { - const unsigned long siz = (unsigned long)size_x*size_y*size_z*size_c; - if (siz) { - _width = size_x; _height = size_y; _depth = size_z; _spectrum = size_c; - try { _data = new T[siz]; } catch (...) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgInstanceException(_cimg_instance - "CImg(): Failed to allocate memory (%s) for image (%u,%u,%u,%u).", - cimg_instance, - cimg::strbuffersize(sizeof(T)*size_x*size_y*size_z*size_c), - size_x,size_y,size_z,size_c); - } - fill(values,repeat_values); - } else { _width = _height = _depth = _spectrum = 0; _data = 0; } - } - - //! Construct image with specified size and initialize pixel values from a memory buffer. - /** - Construct a new image instance of size \c size_x x \c size_y x \c size_z x \c size_c, with pixels of type \c T, - and initializes pixel values from the specified \c t* memory buffer. - \param values Pointer to the input memory buffer. - \param size_x Image width(). - \param size_y Image height(). - \param size_z Image depth(). - \param size_c Image spectrum() (number of channels). - \param is_shared Tells if input memory buffer must be shared by the current instance. - \note - - If \c is_shared is \c false, the image instance allocates its own pixel buffer, - and values from the specified input buffer are copied to the instance buffer. - If buffer types \c T and \c t are different, a regular static cast is performed during buffer copy. - - Otherwise, the image instance does \e not allocate a new buffer, and uses the input memory buffer as its - own pixel buffer. This case requires that types \c T and \c t are the same. Later, destroying such a shared - image will not deallocate the pixel buffer, this task being obviously charged to the initial buffer allocator. - - A \c CImgInstanceException is thrown when the pixel buffer cannot be allocated - (e.g. when requested size is too big for available memory). - \warning - - You must take care when operating on a shared image, since it may have an invalid pixel buffer pointer data() - (e.g. already deallocated). - \par Example - \code - unsigned char tab[256*256] = { 0 }; - CImg img1(tab,256,256,1,1,false), // Construct new non-shared image from buffer 'tab'. - img2(tab,256,256,1,1,true); // Construct new shared-image from buffer 'tab'. - tab[1024] = 255; // Here, 'img2' is indirectly modified, but not 'img1'. - \endcode - **/ - template - CImg(const t *const values, const unsigned int size_x, const unsigned int size_y=1, - const unsigned int size_z=1, const unsigned int size_c=1, const bool is_shared=false):_is_shared(false) { - if (is_shared) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgArgumentException(_cimg_instance - "CImg(): Invalid construction request of a (%u,%u,%u,%u) shared instance " - "from a (%s*) buffer (pixel types are different).", - cimg_instance, - size_x,size_y,size_z,size_c,CImg::pixel_type()); - } - const unsigned long siz = (unsigned long)size_x*size_y*size_z*size_c; - if (values && siz) { - _width = size_x; _height = size_y; _depth = size_z; _spectrum = size_c; - try { _data = new T[siz]; } catch (...) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgInstanceException(_cimg_instance - "CImg(): Failed to allocate memory (%s) for image (%u,%u,%u,%u).", - cimg_instance, - cimg::strbuffersize(sizeof(T)*size_x*size_y*size_z*size_c), - size_x,size_y,size_z,size_c); - - } - const t *ptrs = values; cimg_for(*this,ptrd,T) *ptrd = (T)*(ptrs++); - } else { _width = _height = _depth = _spectrum = 0; _data = 0; } - } - - //! Construct image with specified size and initialize pixel values from a memory buffer \specialization. - CImg(const T *const values, const unsigned int size_x, const unsigned int size_y=1, - const unsigned int size_z=1, const unsigned int size_c=1, const bool is_shared=false) { - const unsigned long siz = (unsigned long)size_x*size_y*size_z*size_c; - if (values && siz) { - _width = size_x; _height = size_y; _depth = size_z; _spectrum = size_c; _is_shared = is_shared; - if (_is_shared) _data = const_cast(values); - else { - try { _data = new T[siz]; } catch (...) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgInstanceException(_cimg_instance - "CImg(): Failed to allocate memory (%s) for image (%u,%u,%u,%u).", - cimg_instance, - cimg::strbuffersize(sizeof(T)*size_x*size_y*size_z*size_c), - size_x,size_y,size_z,size_c); - } - std::memcpy(_data,values,siz*sizeof(T)); - } - } else { _width = _height = _depth = _spectrum = 0; _is_shared = false; _data = 0; } - } - - //! Construct image from reading an image file. - /** - Construct a new image instance with pixels of type \c T, and initialize pixel values with the data read from - an image file. - \param filename Filename, as a C-string. - \note - - Similar to CImg(unsigned int,unsigned int,unsigned int,unsigned int), but it reads the image - dimensions and pixel values from the specified image file. - - The recognition of the image file format by %CImg higly depends on the tools installed on your system - and on the external libraries you used to link your code against. - - Considered pixel type \c T should better fit the file format specification, or data loss may occur during - file load (e.g. constructing a \c CImg from a float-valued image file). - - A \c CImgIOException is thrown when the specified \c filename cannot be read, or if the file format is not - recognized. - \par Example - \code - const CImg img("reference.jpg"); - img.display(); - \endcode - \image html ref_image.jpg - **/ - explicit CImg(const char *const filename):_width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) { - assign(filename); - } - - //! Construct image copy. - /** - Construct a new image instance with pixels of type \c T, as a copy of an existing \c CImg instance. - \param img Input image to copy. - \note - - Constructed copy has the same size width() x height() x depth() x spectrum() and pixel values as the - input image \c img. - - If input image \c img is \e shared and if types \c T and \c t are the same, the constructed copy is also - \e shared, and shares its pixel buffer with \c img. - Modifying a pixel value in the constructed copy will thus also modifies it in the input image \c img. - This behavior is needful to allow functions to return shared images. - - Otherwise, the constructed copy allocates its own pixel buffer, and copies pixel values from the input - image \c img into its buffer. The copied pixel values may be eventually statically casted if types \c T and - \c t are different. - - Constructing a copy from an image \c img when types \c t and \c T are the same is significantly faster than - with different types. - - A \c CImgInstanceException is thrown when the pixel buffer cannot be allocated - (e.g. not enough available memory). - **/ - template - CImg(const CImg& img):_is_shared(false) { - const unsigned long siz = img.size(); - if (img._data && siz) { - _width = img._width; _height = img._height; _depth = img._depth; _spectrum = img._spectrum; - try { _data = new T[siz]; } catch (...) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgInstanceException(_cimg_instance - "CImg(): Failed to allocate memory (%s) for image (%u,%u,%u,%u).", - cimg_instance, - cimg::strbuffersize(sizeof(T)*img._width*img._height*img._depth*img._spectrum), - img._width,img._height,img._depth,img._spectrum); - } - const t *ptrs = img._data; cimg_for(*this,ptrd,T) *ptrd = (T)*(ptrs++); - } else { _width = _height = _depth = _spectrum = 0; _data = 0; } - } - - //! Construct image copy \specialization. - CImg(const CImg& img) { - const unsigned long siz = img.size(); - if (img._data && siz) { - _width = img._width; _height = img._height; _depth = img._depth; _spectrum = img._spectrum; - _is_shared = img._is_shared; - if (_is_shared) _data = const_cast(img._data); - else { - try { _data = new T[siz]; } catch (...) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgInstanceException(_cimg_instance - "CImg(): Failed to allocate memory (%s) for image (%u,%u,%u,%u).", - cimg_instance, - cimg::strbuffersize(sizeof(T)*img._width*img._height*img._depth*img._spectrum), - img._width,img._height,img._depth,img._spectrum); - - } - std::memcpy(_data,img._data,siz*sizeof(T)); - } - } else { _width = _height = _depth = _spectrum = 0; _is_shared = false; _data = 0; } - } - - //! Advanced copy constructor. - /** - Construct a new image instance with pixels of type \c T, as a copy of an existing \c CImg instance, - while forcing the shared state of the constructed copy. - \param img Input image to copy. - \param is_shared Tells about the shared state of the constructed copy. - \note - - Similar to CImg(const CImg&), except that it allows to decide the shared state of - the constructed image, which does not depend anymore on the shared state of the input image \c img: - - If \c is_shared is \c true, the constructed copy will share its pixel buffer with the input image \c img. - For that case, the pixel types \c T and \c t \e must be the same. - - If \c is_shared is \c false, the constructed copy will allocate its own pixel buffer, whether the input - image \c img is shared or not. - - A \c CImgArgumentException is thrown when a shared copy is requested with different pixel types \c T and \c t. - **/ - template - CImg(const CImg& img, const bool is_shared):_is_shared(false) { - if (is_shared) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgArgumentException(_cimg_instance - "CImg(): Invalid construction request of a shared instance from a " - "CImg<%s> image (%u,%u,%u,%u,%p) (pixel types are different).", - cimg_instance, - CImg::pixel_type(),img._width,img._height,img._depth,img._spectrum,img._data); - } - const unsigned long siz = img.size(); - if (img._data && siz) { - _width = img._width; _height = img._height; _depth = img._depth; _spectrum = img._spectrum; - try { _data = new T[siz]; } catch (...) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgInstanceException(_cimg_instance - "CImg(): Failed to allocate memory (%s) for image (%u,%u,%u,%u).", - cimg_instance, - cimg::strbuffersize(sizeof(T)*img._width*img._height*img._depth*img._spectrum), - img._width,img._height,img._depth,img._spectrum); - } - const t *ptrs = img._data; cimg_for(*this,ptrd,T) *ptrd = (T)*(ptrs++); - } else { _width = _height = _depth = _spectrum = 0; _data = 0; } - } - - //! Advanced copy constructor \specialization. - CImg(const CImg& img, const bool is_shared) { - const unsigned long siz = img.size(); - if (img._data && siz) { - _width = img._width; _height = img._height; _depth = img._depth; _spectrum = img._spectrum; - _is_shared = is_shared; - if (_is_shared) _data = const_cast(img._data); - else { - try { _data = new T[siz]; } catch (...) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgInstanceException(_cimg_instance - "CImg(): Failed to allocate memory (%s) for image (%u,%u,%u,%u).", - cimg_instance, - cimg::strbuffersize(sizeof(T)*img._width*img._height*img._depth*img._spectrum), - img._width,img._height,img._depth,img._spectrum); - } - std::memcpy(_data,img._data,siz*sizeof(T)); - } - } else { _width = _height = _depth = _spectrum = 0; _is_shared = false; _data = 0; } - } - - //! Construct image with dimensions borrowed from another image. - /** - Construct a new image instance with pixels of type \c T, and size get from some dimensions of an existing - \c CImg instance. - \param img Input image from which dimensions are borrowed. - \param dimensions C-string describing the image size along the X,Y,Z and C-dimensions. - \note - - Similar to CImg(unsigned int,unsigned int,unsigned int,unsigned int), but it takes the image dimensions - (\e not its pixel values) from an existing \c CImg instance. - - The allocated pixel buffer is \e not filled with a default value, and is likely to contain garbage values. - In order to initialize pixel values (e.g. with \c 0), use constructor CImg(const CImg&,const char*,T) - instead. - \par Example - \code - const CImg img1(256,128,1,3), // 'img1' is a 256x128x1x3 image. - img2(img1,"xyzc"), // 'img2' is a 256x128x1x3 image. - img3(img1,"y,x,z,c"), // 'img3' is a 128x256x1x3 image. - img4(img1,"c,x,y,3",0), // 'img4' is a 3x128x256x3 image (with pixels initialized to '0'). - \endcode - **/ - template - CImg(const CImg& img, const char *const dimensions): - _width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) { - assign(img,dimensions); - } - - //! Construct image with dimensions borrowed from another image and initialize pixel values. - /** - Construct a new image instance with pixels of type \c T, and size get from the dimensions of an existing - \c CImg instance, and set all pixel values to specified \c value. - \param img Input image from which dimensions are borrowed. - \param dimensions String describing the image size along the X,Y,Z and V-dimensions. - \param value Value used for initialization. - \note - - Similar to CImg(const CImg&,const char*), but it also fills the pixel buffer with the specified \c value. - **/ - template - CImg(const CImg& img, const char *const dimensions, const T& value): - _width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) { - assign(img,dimensions).fill(value); - } - - //! Construct image from a display window. - /** - Construct a new image instance with pixels of type \c T, as a snapshot of an existing \c CImgDisplay instance. - \param disp Input display window. - \note - - The width() and height() of the constructed image instance are the same as the specified \c CImgDisplay. - - The depth() and spectrum() of the constructed image instance are respectively set to \c 1 and \c 3 - (i.e. a 2d color image). - - The image pixels are read as 8-bits RGB values. - **/ - explicit CImg(const CImgDisplay &disp):_width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) { - disp.snapshot(*this); - } - - // Constructor and assignment operator for rvalue references (c++11). - // This avoids an additional image copy for methods returning new images. Can save RAM for big images ! -#if defined(cimg_use_cpp11) && cimg_use_cpp11!=0 - CImg(CImg&& img):_width(0),_height(0),_depth(0),_spectrum(0),_is_shared(false),_data(0) { - swap(img); - } - CImg& operator=(CImg&& img) { - if (_is_shared) return assign(img); - return img.swap(*this); - } -#endif - - //! Construct empty image \inplace. - /** - In-place version of the default constructor CImg(). It simply resets the instance to an empty image. - **/ - CImg& assign() { - if (!_is_shared) delete[] _data; - _width = _height = _depth = _spectrum = 0; _is_shared = false; _data = 0; - return *this; - } - - //! Construct image with specified size \inplace. - /** - In-place version of the constructor CImg(unsigned int,unsigned int,unsigned int,unsigned int). - **/ - CImg& assign(const unsigned int size_x, const unsigned int size_y=1, - const unsigned int size_z=1, const unsigned int size_c=1) { - const unsigned long siz = (unsigned long)size_x*size_y*size_z*size_c; - if (!siz) return assign(); - const unsigned long curr_siz = size(); - if (siz!=curr_siz) { - if (_is_shared) - throw CImgArgumentException(_cimg_instance - "assign(): Invalid assignement request of shared instance from specified " - "image (%u,%u,%u,%u).", - cimg_instance, - size_x,size_y,size_z,size_c); - else { - delete[] _data; - try { _data = new T[siz]; } catch (...) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgInstanceException(_cimg_instance - "assign(): Failed to allocate memory (%s) for image (%u,%u,%u,%u).", - cimg_instance, - cimg::strbuffersize(sizeof(T)*size_x*size_y*size_z*size_c), - size_x,size_y,size_z,size_c); - } - } - } - _width = size_x; _height = size_y; _depth = size_z; _spectrum = size_c; - return *this; - } - - //! Construct image with specified size and initialize pixel values \inplace. - /** - In-place version of the constructor CImg(unsigned int,unsigned int,unsigned int,unsigned int,T). - **/ - CImg& assign(const unsigned int size_x, const unsigned int size_y, - const unsigned int size_z, const unsigned int size_c, const T& value) { - return assign(size_x,size_y,size_z,size_c).fill(value); - } - - //! Construct image with specified size and initialize pixel values from a sequence of integers \inplace. - /** - In-place version of the constructor CImg(unsigned int,unsigned int,unsigned int,unsigned int,int,int,...). - **/ - CImg& assign(const unsigned int size_x, const unsigned int size_y, - const unsigned int size_z, const unsigned int size_c, - const int value0, const int value1, ...) { - assign(size_x,size_y,size_z,size_c); - _CImg_stdarg(*this,value0,value1,(unsigned long)size_x*size_y*size_z*size_c,int); - return *this; - } - - //! Construct image with specified size and initialize pixel values from a sequence of doubles \inplace. - /** - In-place version of the constructor CImg(unsigned int,unsigned int,unsigned int,unsigned int,double,double,...). - **/ - CImg& assign(const unsigned int size_x, const unsigned int size_y, - const unsigned int size_z, const unsigned int size_c, - const double value0, const double value1, ...) { - assign(size_x,size_y,size_z,size_c); - _CImg_stdarg(*this,value0,value1,(unsigned long)size_x*size_y*size_z*size_c,double); - return *this; - } - - //! Construct image with specified size and initialize pixel values from a value string \inplace. - /** - In-place version of the constructor CImg(unsigned int,unsigned int,unsigned int,unsigned int,const char*,bool). - **/ - CImg& assign(const unsigned int size_x, const unsigned int size_y, - const unsigned int size_z, const unsigned int size_c, - const char *const values, const bool repeat_values) { - return assign(size_x,size_y,size_z,size_c).fill(values,repeat_values); - } - - //! Construct image with specified size and initialize pixel values from a memory buffer \inplace. - /** - In-place version of the constructor CImg(const t*,unsigned int,unsigned int,unsigned int,unsigned int). - **/ - template - CImg& assign(const t *const values, const unsigned int size_x, const unsigned int size_y=1, - const unsigned int size_z=1, const unsigned int size_c=1) { - const unsigned long siz = (unsigned long)size_x*size_y*size_z*size_c; - if (!values || !siz) return assign(); - assign(size_x,size_y,size_z,size_c); - const t *ptrs = values; cimg_for(*this,ptrd,T) *ptrd = (T)*(ptrs++); - return *this; - } - - //! Construct image with specified size and initialize pixel values from a memory buffer \specialization. - CImg& assign(const T *const values, const unsigned int size_x, const unsigned int size_y=1, - const unsigned int size_z=1, const unsigned int size_c=1) { - const unsigned long siz = (unsigned long)size_x*size_y*size_z*size_c; - if (!values || !siz) return assign(); - const unsigned long curr_siz = size(); - if (values==_data && siz==curr_siz) return assign(size_x,size_y,size_z,size_c); - if (_is_shared || values + siz<_data || values>=_data + size()) { - assign(size_x,size_y,size_z,size_c); - if (_is_shared) std::memmove(_data,values,siz*sizeof(T)); - else std::memcpy(_data,values,siz*sizeof(T)); - } else { - T *new_data = 0; - try { new_data = new T[siz]; } catch (...) { - _width = _height = _depth = _spectrum = 0; _data = 0; - throw CImgInstanceException(_cimg_instance - "assign(): Failed to allocate memory (%s) for image (%u,%u,%u,%u).", - cimg_instance, - cimg::strbuffersize(sizeof(T)*size_x*size_y*size_z*size_c), - size_x,size_y,size_z,size_c); - } - std::memcpy(new_data,values,siz*sizeof(T)); - delete[] _data; _data = new_data; _width = size_x; _height = size_y; _depth = size_z; _spectrum = size_c; - } - return *this; - } - - //! Construct image with specified size and initialize pixel values from a memory buffer \overloading. - template - CImg& assign(const t *const values, const unsigned int size_x, const unsigned int size_y, - const unsigned int size_z, const unsigned int size_c, const bool is_shared) { - if (is_shared) - throw CImgArgumentException(_cimg_instance - "assign(): Invalid assignment request of shared instance from (%s*) buffer" - "(pixel types are different).", - cimg_instance, - CImg::pixel_type()); - return assign(values,size_x,size_y,size_z,size_c); - } - - //! Construct image with specified size and initialize pixel values from a memory buffer \overloading. - CImg& assign(const T *const values, const unsigned int size_x, const unsigned int size_y, - const unsigned int size_z, const unsigned int size_c, const bool is_shared) { - const unsigned long siz = (unsigned long)size_x*size_y*size_z*size_c; - if (!values || !siz) return assign(); - if (!is_shared) { if (_is_shared) assign(); assign(values,size_x,size_y,size_z,size_c); } - else { - if (!_is_shared) { - if (values + siz<_data || values>=_data + size()) assign(); - else cimg::warn(_cimg_instance - "assign(): Shared image instance has overlapping memory.", - cimg_instance); - } - _width = size_x; _height = size_y; _depth = size_z; _spectrum = size_c; _is_shared = true; - _data = const_cast(values); - } - return *this; - } - - //! Construct image from reading an image file \inplace. - /** - In-place version of the constructor CImg(const char*). - **/ - CImg& assign(const char *const filename) { - return load(filename); - } - - //! Construct image copy \inplace. - /** - In-place version of the constructor CImg(const CImg&). - **/ - template - CImg& assign(const CImg& img) { - return assign(img._data,img._width,img._height,img._depth,img._spectrum); - } - - //! In-place version of the advanced copy constructor. - /** - In-place version of the constructor CImg(const CImg&,bool). - **/ - template - CImg& assign(const CImg& img, const bool is_shared) { - return assign(img._data,img._width,img._height,img._depth,img._spectrum,is_shared); - } - - //! Construct image with dimensions borrowed from another image \inplace. - /** - In-place version of the constructor CImg(const CImg&,const char*). - **/ - template - CImg& assign(const CImg& img, const char *const dimensions) { - if (!dimensions || !*dimensions) return assign(img._width,img._height,img._depth,img._spectrum); - unsigned int siz[4] = { 0,1,1,1 }, k = 0; - CImg item(256); - for (const char *s = dimensions; *s && k<4; ++k) { - if (cimg_sscanf(s,"%255[^0-9%xyzvwhdcXYZVWHDC]",item._data)>0) s+=std::strlen(item); - if (*s) { - unsigned int val = 0; char sep = 0; - if (cimg_sscanf(s,"%u%c",&val,&sep)>0) { - if (sep=='%') siz[k] = val*(k==0?_width:k==1?_height:k==2?_depth:_spectrum)/100; - else siz[k] = val; - while (*s>='0' && *s<='9') ++s; if (sep=='%') ++s; - } else switch (cimg::uncase(*s)) { - case 'x' : case 'w' : siz[k] = img._width; ++s; break; - case 'y' : case 'h' : siz[k] = img._height; ++s; break; - case 'z' : case 'd' : siz[k] = img._depth; ++s; break; - case 'c' : case 's' : siz[k] = img._spectrum; ++s; break; - default : - throw CImgArgumentException(_cimg_instance - "assign(): Invalid character '%c' detected in specified dimension string '%s'.", - cimg_instance, - *s,dimensions); - } - } - } - return assign(siz[0],siz[1],siz[2],siz[3]); - } - - //! Construct image with dimensions borrowed from another image and initialize pixel values \inplace. - /** - In-place version of the constructor CImg(const CImg&,const char*,T). - **/ - template - CImg& assign(const CImg& img, const char *const dimensions, const T& value) { - return assign(img,dimensions).fill(value); - } - - //! Construct image from a display window \inplace. - /** - In-place version of the constructor CImg(const CImgDisplay&). - **/ - CImg& assign(const CImgDisplay &disp) { - disp.snapshot(*this); - return *this; - } - - //! Construct empty image \inplace. - /** - Equivalent to assign(). - \note - - It has been defined for compatibility with STL naming conventions. - **/ - CImg& clear() { - return assign(); - } - - //! Transfer content of an image instance into another one. - /** - Transfer the dimensions and the pixel buffer content of an image instance into another one, - and replace instance by an empty image. It avoids the copy of the pixel buffer - when possible. - \param img Destination image. - \note - - Pixel types \c T and \c t of source and destination images can be different, though the process is - designed to be instantaneous when \c T and \c t are the same. - \par Example - \code - CImg src(256,256,1,3,0), // Construct a 256x256x1x3 (color) image filled with value '0'. - dest(16,16); // Construct a 16x16x1x1 (scalar) image. - src.move_to(dest); // Now, 'src' is empty and 'dest' is the 256x256x1x3 image. - \endcode - **/ - template - CImg& move_to(CImg& img) { - img.assign(*this); - assign(); - return img; - } - - //! Transfer content of an image instance into another one \specialization. - CImg& move_to(CImg& img) { - if (_is_shared || img._is_shared) img.assign(*this); - else swap(img); - assign(); - return img; - } - - //! Transfer content of an image instance into a new image in an image list. - /** - Transfer the dimensions and the pixel buffer content of an image instance - into a newly inserted image at position \c pos in specified \c CImgList instance. - \param list Destination list. - \param pos Position of the newly inserted image in the list. - \note - - When optionnal parameter \c pos is ommited, the image instance is transfered as a new - image at the end of the specified \c list. - - It is convenient to sequentially insert new images into image lists, with no - additional copies of memory buffer. - \par Example - \code - CImgList list; // Construct an empty image list. - CImg img("reference.jpg"); // Read image from filename. - img.move_to(list); // Transfer image content as a new item in the list (no buffer copy). - \endcode - **/ - template - CImgList& move_to(CImgList& list, const unsigned int pos=~0U) { - const unsigned int npos = pos>list._width?list._width:pos; - move_to(list.insert(1,npos)[npos]); - return list; - } - - //! Swap fields of two image instances. - /** - \param img Image to swap fields with. - \note - - It can be used to interchange the content of two images in a very fast way. Can be convenient when dealing - with algorithms requiring two swapping buffers. - \par Example - \code - CImg img1("lena.jpg"), - img2("milla.jpg"); - img1.swap(img2); // Now, 'img1' is 'milla' and 'img2' is 'lena'. - \endcode - **/ - CImg& swap(CImg& img) { - cimg::swap(_width,img._width,_height,img._height,_depth,img._depth,_spectrum,img._spectrum); - cimg::swap(_data,img._data); - cimg::swap(_is_shared,img._is_shared); - return img; - } - - //! Return a reference to an empty image. - /** - \note - This function is useful mainly to declare optional parameters having type \c CImg in functions prototypes, - e.g. - \code - void f(const int x=0, const int y=0, const CImg& img=CImg::empty()); - \endcode - **/ - static CImg& empty() { - static CImg _empty; - return _empty.assign(); - } - - //! Return a reference to an empty image \const. - static const CImg& const_empty() { - static const CImg _empty; - return _empty; - } - - //@} - //------------------------------------------ - // - //! \name Overloaded Operators - //@{ - //------------------------------------------ - - //! Access to a pixel value. - /** - Return a reference to a located pixel value of the image instance, - being possibly \e const, whether the image instance is \e const or not. - This is the standard method to get/set pixel values in \c CImg images. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note - - Range of pixel coordinates start from (0,0,0,0) to - (width() - 1,height() - 1,depth() - 1,spectrum() - 1). - - Due to the particular arrangement of the pixel buffers defined in %CImg, you can omit one coordinate if the - corresponding dimension is equal to \c 1. - For instance, pixels of a 2d image (depth() equal to \c 1) can be accessed by img(x,y,c) instead of - img(x,y,0,c). - \warning - - There is \e no boundary checking done in this operator, to make it as fast as possible. - You \e must take care of out-of-bounds access by yourself, if necessary. - For debuging purposes, you may want to define macro \c 'cimg_verbosity'>=3 to enable additional boundary - checking operations in this operator. In that case, warning messages will be printed on the error output - when accessing out-of-bounds pixels. - \par Example - \code - CImg img(100,100,1,3,0); // Construct a 100x100x1x3 (color) image with pixels set to '0'. - const float - valR = img(10,10,0,0), // Read red value at coordinates (10,10). - valG = img(10,10,0,1), // Read green value at coordinates (10,10) - valB = img(10,10,2), // Read blue value at coordinates (10,10) (Z-coordinate can be omitted). - avg = (valR + valG + valB)/3; // Compute average pixel value. - img(10,10,0) = img(10,10,1) = img(10,10,2) = avg; // Replace the color pixel (10,10) by the average grey value. - \endcode - **/ -#if cimg_verbosity>=3 - T& operator()(const unsigned int x, const unsigned int y=0, - const unsigned int z=0, const unsigned int c=0) { - const unsigned long off = (unsigned long)offset(x,y,z,c); - if (!_data || off>=size()) { - cimg::warn(_cimg_instance - "operator(): Invalid pixel request, at coordinates (%d,%d,%d,%d) [offset=%u].", - cimg_instance, - (int)x,(int)y,(int)z,(int)c,off); - return *_data; - } - else return _data[off]; - } - - //! Access to a pixel value \const. - const T& operator()(const unsigned int x, const unsigned int y=0, - const unsigned int z=0, const unsigned int c=0) const { - return const_cast*>(this)->operator()(x,y,z,c); - } - - //! Access to a pixel value. - /** - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \param wh Precomputed offset, must be equal to width()*\ref height(). - \param whd Precomputed offset, must be equal to width()*\ref height()*\ref depth(). - \note - - Similar to (but faster than) operator()(). - It uses precomputed offsets to optimize memory access. You may use it to optimize - the reading/writing of several pixel values in the same image (e.g. in a loop). - **/ - T& operator()(const unsigned int x, const unsigned int y, const unsigned int z, const unsigned int c, - const unsigned long wh, const unsigned long whd=0) { - cimg::unused(wh,whd); - return (*this)(x,y,z,c); - } - - //! Access to a pixel value \const. - const T& operator()(const unsigned int x, const unsigned int y, const unsigned int z, const unsigned int c, - const unsigned long wh, const unsigned long whd=0) const { - cimg::unused(wh,whd); - return (*this)(x,y,z,c); - } -#else - T& operator()(const unsigned int x) { - return _data[x]; - } - - const T& operator()(const unsigned int x) const { - return _data[x]; - } - - T& operator()(const unsigned int x, const unsigned int y) { - return _data[x + y*_width]; - } - - const T& operator()(const unsigned int x, const unsigned int y) const { - return _data[x + y*_width]; - } - - T& operator()(const unsigned int x, const unsigned int y, const unsigned int z) { - return _data[x + y*(unsigned long)_width + z*(unsigned long)_width*_height]; - } - - const T& operator()(const unsigned int x, const unsigned int y, const unsigned int z) const { - return _data[x + y*(unsigned long)_width + z*(unsigned long)_width*_height]; - } - - T& operator()(const unsigned int x, const unsigned int y, const unsigned int z, const unsigned int c) { - return _data[x + y*(unsigned long)_width + z*(unsigned long)_width*_height + - c*(unsigned long)_width*_height*_depth]; - } - - const T& operator()(const unsigned int x, const unsigned int y, const unsigned int z, const unsigned int c) const { - return _data[x + y*(unsigned long)_width + z*(unsigned long)_width*_height + - c*(unsigned long)_width*_height*_depth]; - } - - T& operator()(const unsigned int x, const unsigned int y, const unsigned int z, const unsigned int, - const unsigned long wh) { - return _data[x + y*_width + z*wh]; - } - - const T& operator()(const unsigned int x, const unsigned int y, const unsigned int z, const unsigned int, - const unsigned long wh) const { - return _data[x + y*_width + z*wh]; - } - - T& operator()(const unsigned int x, const unsigned int y, const unsigned int z, const unsigned int c, - const unsigned long wh, const unsigned long whd) { - return _data[x + y*_width + z*wh + c*whd]; - } - - const T& operator()(const unsigned int x, const unsigned int y, const unsigned int z, const unsigned int c, - const unsigned long wh, const unsigned long whd) const { - return _data[x + y*_width + z*wh + c*whd]; - } -#endif - - //! Implicitely cast an image into a \c T*. - /** - Implicitely cast a \c CImg instance into a \c T* or \c const \c T* pointer, whether the image instance - is \e const or not. The returned pointer points on the first value of the image pixel buffer. - \note - - It simply returns the pointer data() to the pixel buffer. - - This implicit conversion is convenient to test the empty state of images (data() being \c 0 in this case), e.g. - \code - CImg img1(100,100), img2; // 'img1' is a 100x100 image, 'img2' is an empty image. - if (img1) { // Test succeeds, 'img1' is not an empty image. - if (!img2) { // Test succeeds, 'img2' is an empty image. - std::printf("'img1' is not empty, 'img2' is empty."); - } - } - \endcode - - It also allows to use brackets to access pixel values, without need for a \c CImg::operator[](), e.g. - \code - CImg img(100,100); - const float value = img[99]; // Access to value of the last pixel on the first row. - img[510] = 255; // Set pixel value at (10,5). - \endcode - **/ - operator T*() { - return _data; - } - - //! Implicitely cast an image into a \c T* \const. - operator const T*() const { - return _data; - } - - //! Assign a value to all image pixels. - /** - Assign specified \c value to each pixel value of the image instance. - \param value Value that will be assigned to image pixels. - \note - - The image size is never modified. - - The \c value may be casted to pixel type \c T if necessary. - \par Example - \code - CImg img(100,100); // Declare image (with garbage values). - img = 0; // Set all pixel values to '0'. - img = 1.2; // Set all pixel values to '1' (cast of '1.2' as a 'char'). - \endcode - **/ - CImg& operator=(const T& value) { - return fill(value); - } - - //! Assign pixels values from a specified expression. - /** - Initialize all pixel values from the specified string \c expression. - \param expression Value string describing the way pixel values are set. - \note - - String parameter \c expression may describe different things: - - If \c expression is a list of values (as in \c "1,2,3,8,3,2"), or a formula (as in \c "(x*y)%255"), - the pixel values are set from specified \c expression and the image size is not modified. - - If \c expression is a filename (as in \c "reference.jpg"), the corresponding image file is loaded and - replace the image instance. The image size is modified if necessary. - \par Example - \code - CImg img1(100,100), img2(img1), img3(img1); // Declare three 100x100 scalar images with unitialized pixel values. - img1 = "0,50,100,150,200,250,200,150,100,50"; // Set pixel values of 'img1' from a value sequence. - img2 = "10*((x*y)%25)"; // Set pixel values of 'img2' from a formula. - img3 = "reference.jpg"; // Set pixel values of 'img3' from a file (image size is modified). - (img1,img2,img3).display(); - \endcode - \image html ref_operator_eq.jpg - **/ - CImg& operator=(const char *const expression) { - const unsigned int omode = cimg::exception_mode(); - cimg::exception_mode(0); - try { - _fill(expression,true,true,0,0,"operator=",0); - } catch (CImgException&) { - cimg::exception_mode(omode); - load(expression); - } - cimg::exception_mode(omode); - return *this; - } - - //! Copy an image into the current image instance. - /** - Similar to the in-place copy constructor assign(const CImg&). - **/ - template - CImg& operator=(const CImg& img) { - return assign(img); - } - - //! Copy an image into the current image instance \specialization. - CImg& operator=(const CImg& img) { - return assign(img); - } - - //! Copy the content of a display window to the current image instance. - /** - Similar to assign(const CImgDisplay&). - **/ - CImg& operator=(const CImgDisplay& disp) { - disp.snapshot(*this); - return *this; - } - - //! In-place addition operator. - /** - Add specified \c value to all pixels of an image instance. - \param value Value to add. - \note - - Resulting pixel values are casted to fit the pixel type \c T. - For instance, adding \c 0.2 to a \c CImg is possible but does nothing indeed. - - Overflow values are treated as with standard C++ numeric types. For instance, - \code - CImg img(100,100,1,1,255); // Construct a 100x100 image with pixel values '255'. - img+=1; // Add '1' to each pixels -> Overflow. - // here all pixels of image 'img' are equal to '0'. - \endcode - - To prevent value overflow, you may want to consider pixel type \c T as \c float or \c double, - and use cut() after addition. - \par Example - \code - CImg img1("reference.jpg"); // Load a 8-bits RGB image (values in [0,255]). - CImg img2(img1); // Construct a float-valued copy of 'img1'. - img2+=100; // Add '100' to pixel values -> goes out of [0,255] but no problems with floats. - img2.cut(0,255); // Cut values in [0,255] to fit the 'unsigned char' constraint. - img1 = img2; // Rewrite safe result in 'unsigned char' version 'img1'. - const CImg img3 = (img1 + 100).cut(0,255); // Do the same in a more simple and elegant way. - (img1,img2,img3).display(); - \endcode - \image html ref_operator_plus.jpg - **/ - template - CImg& operator+=(const t value) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=524288) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)(*ptrd + value); - return *this; - } - - //! In-place addition operator. - /** - Add values to image pixels, according to the specified string \c expression. - \param expression Value string describing the way pixel values are added. - \note - - Similar to operator=(const char*), except that it adds values to the pixels of the current image instance, - instead of assigning them. - **/ - CImg& operator+=(const char *const expression) { - return *this+=(+*this)._fill(expression,true,true,0,0,"operator+=",this); - } - - //! In-place addition operator. - /** - Add values to image pixels, according to the values of the input image \c img. - \param img Input image to add. - \note - - The size of the image instance is never modified. - - It is not mandatory that input image \c img has the same size as the image instance. - If less values are available in \c img, then the values are added periodically. For instance, adding one - WxH scalar image (spectrum() equal to \c 1) to one WxH color image (spectrum() equal to \c 3) - means each color channel will be incremented with the same values at the same locations. - \par Example - \code - CImg img1("reference.jpg"); // Load a RGB color image (img1.spectrum()==3) - const CImg img2(img1.width(),img.height(),1,1,"255*(x/w)^2"); // Construct a scalar shading (img2.spectrum()==1). - img1+=img2; // Add shading to each channel of 'img1'. - img1.cut(0,255); // Prevent [0,255] overflow. - (img2,img1).display(); - \endcode - \image html ref_operator_plus1.jpg - **/ - template - CImg& operator+=(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return *this+=+img; - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs& operator++() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=524288) -#endif - cimg_rof(*this,ptrd,T) ++*ptrd; - return *this; - } - - //! In-place increment operator (postfix). - /** - Add \c 1 to all image pixels, and return a new copy of the initial (pre-incremented) image instance. - \note - - Use the prefixed version operator++() if you don't need a copy of the initial - (pre-incremented) image instance, since a useless image copy may be expensive in terms of memory usage. - **/ - CImg operator++(int) { - const CImg copy(*this,false); - ++*this; - return copy; - } - - //! Return a non-shared copy of the image instance. - /** - \note - - Use this operator to ensure you get a non-shared copy of an image instance with same pixel type \c T. - Indeed, the usual copy constructor CImg(const CImg&) returns a shared copy of a shared input image, - and it may be not desirable to work on a regular copy (e.g. for a resize operation) if you have no - information about the shared state of the input image. - - Writing \c (+img) is equivalent to \c CImg(img,false). - **/ - CImg operator+() const { - return CImg(*this,false); - } - - //! Addition operator. - /** - Similar to operator+=(const t), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - template - CImg<_cimg_Tt> operator+(const t value) const { - return CImg<_cimg_Tt>(*this,false)+=value; - } - - //! Addition operator. - /** - Similar to operator+=(const char*), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - CImg operator+(const char *const expression) const { - return CImg(*this,false)+=expression; - } - - //! Addition operator. - /** - Similar to operator+=(const CImg&), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - template - CImg<_cimg_Tt> operator+(const CImg& img) const { - return CImg<_cimg_Tt>(*this,false)+=img; - } - - //! In-place substraction operator. - /** - Similar to operator+=(const t), except that it performs a substraction instead of an addition. - **/ - template - CImg& operator-=(const t value) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=524288) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)(*ptrd - value); - return *this; - } - - //! In-place substraction operator. - /** - Similar to operator+=(const char*), except that it performs a substraction instead of an addition. - **/ - CImg& operator-=(const char *const expression) { - return *this-=(+*this)._fill(expression,true,true,0,0,"operator-=",this); - } - - //! In-place substraction operator. - /** - Similar to operator+=(const CImg&), except that it performs a substraction instead of an addition. - **/ - template - CImg& operator-=(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return *this-=+img; - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs& operator--() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=524288) -#endif - cimg_rof(*this,ptrd,T) *ptrd = *ptrd - (T)1; - return *this; - } - - //! In-place decrement operator (postfix). - /** - Similar to operator++(int), except that it performs a decrement instead of an increment. - **/ - CImg operator--(int) { - const CImg copy(*this,false); - --*this; - return copy; - } - - //! Replace each pixel by its opposite value. - /** - \note - - If the computed opposite values are out-of-range, they are treated as with standard C++ numeric types. - For instance, the \c unsigned \c char opposite of \c 1 is \c 255. - \par Example - \code - const CImg - img1("reference.jpg"), // Load a RGB color image. - img2 = -img1; // Compute its opposite (in 'unsigned char'). - (img1,img2).display(); - \endcode - \image html ref_operator_minus.jpg - **/ - CImg operator-() const { - return CImg(_width,_height,_depth,_spectrum,(T)0)-=*this; - } - - //! Substraction operator. - /** - Similar to operator-=(const t), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - template - CImg<_cimg_Tt> operator-(const t value) const { - return CImg<_cimg_Tt>(*this,false)-=value; - } - - //! Substraction operator. - /** - Similar to operator-=(const char*), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - CImg operator-(const char *const expression) const { - return CImg(*this,false)-=expression; - } - - //! Substraction operator. - /** - Similar to operator-=(const CImg&), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - template - CImg<_cimg_Tt> operator-(const CImg& img) const { - return CImg<_cimg_Tt>(*this,false)-=img; - } - - //! In-place multiplication operator. - /** - Similar to operator+=(const t), except that it performs a multiplication instead of an addition. - **/ - template - CImg& operator*=(const t value) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=262144) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)(*ptrd * value); - return *this; - } - - //! In-place multiplication operator. - /** - Similar to operator+=(const char*), except that it performs a multiplication instead of an addition. - **/ - CImg& operator*=(const char *const expression) { - return mul((+*this)._fill(expression,true,true,0,0,"operator*=",this)); - } - - //! In-place multiplication operator. - /** - Replace the image instance by the matrix multiplication between the image instance and the specified matrix - \c img. - \param img Second operand of the matrix multiplication. - \note - - It does \e not compute a pointwise multiplication between two images. For this purpose, use - mul(const CImg&) instead. - - The size of the image instance can be modified by this operator. - \par Example - \code - CImg A(2,2,1,1, 1,2,3,4); // Construct 2x2 matrix A = [1,2;3,4]. - const CImg X(1,2,1,1, 1,2); // Construct 1x2 vector X = [1;2]. - A*=X; // Assign matrix multiplication A*X to 'A'. - // 'A' is now a 1x2 vector whose values are [5;11]. - \endcode - **/ - template - CImg& operator*=(const CImg& img) { - return ((*this)*img).move_to(*this); - } - - //! Multiplication operator. - /** - Similar to operator*=(const t), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - template - CImg<_cimg_Tt> operator*(const t value) const { - return CImg<_cimg_Tt>(*this,false)*=value; - } - - //! Multiplication operator. - /** - Similar to operator*=(const char*), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - CImg operator*(const char *const expression) const { - return CImg(*this,false)*=expression; - } - - //! Multiplication operator. - /** - Similar to operator*=(const CImg&), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - template - CImg<_cimg_Tt> operator*(const CImg& img) const { - if (_width!=img._height || _depth!=1 || _spectrum!=1) - throw CImgArgumentException(_cimg_instance - "operator*(): Invalid multiplication of instance by specified " - "matrix (%u,%u,%u,%u,%p)", - cimg_instance, - img._width,img._height,img._depth,img._spectrum,img._data); - CImg<_cimg_Tt> res(img._width,_height); -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) cimg_openmp_if(size()>1024 && img.size()>1024) - cimg_forXY(res,i,j) { - _cimg_Ttdouble value = 0; cimg_forX(*this,k) value+=(*this)(k,j)*img(i,k); res(i,j) = (_cimg_Tt)value; - } -#else - _cimg_Tt *ptrd = res._data; - cimg_forXY(res,i,j) { - _cimg_Ttdouble value = 0; cimg_forX(*this,k) value+=(*this)(k,j)*img(i,k); *(ptrd++) = (_cimg_Tt)value; - } -#endif - return res; - } - - //! In-place division operator. - /** - Similar to operator+=(const t), except that it performs a division instead of an addition. - **/ - template - CImg& operator/=(const t value) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)(*ptrd / value); - return *this; - } - - //! In-place division operator. - /** - Similar to operator+=(const char*), except that it performs a division instead of an addition. - **/ - CImg& operator/=(const char *const expression) { - return div((+*this)._fill(expression,true,true,0,0,"operator/=",this)); - } - - //! In-place division operator. - /** - Replace the image instance by the (right) matrix division between the image instance and the specified - matrix \c img. - \param img Second operand of the matrix division. - \note - - It does \e not compute a pointwise division between two images. For this purpose, use - div(const CImg&) instead. - - It returns the matrix operation \c A*inverse(img). - - The size of the image instance can be modified by this operator. - **/ - template - CImg& operator/=(const CImg& img) { - return (*this*img.get_invert()).move_to(*this); - } - - //! Division operator. - /** - Similar to operator/=(const t), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - template - CImg<_cimg_Tt> operator/(const t value) const { - return CImg<_cimg_Tt>(*this,false)/=value; - } - - //! Division operator. - /** - Similar to operator/=(const char*), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - CImg operator/(const char *const expression) const { - return CImg(*this,false)/=expression; - } - - //! Division operator. - /** - Similar to operator/=(const CImg&), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - template - CImg<_cimg_Tt> operator/(const CImg& img) const { - return (*this)*img.get_invert(); - } - - //! In-place modulo operator. - /** - Similar to operator+=(const t), except that it performs a modulo operation instead of an addition. - **/ - template - CImg& operator%=(const t value) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=16384) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)cimg::mod(*ptrd,(T)value); - return *this; - } - - //! In-place modulo operator. - /** - Similar to operator+=(const char*), except that it performs a modulo operation instead of an addition. - **/ - CImg& operator%=(const char *const expression) { - return *this%=(+*this)._fill(expression,true,true,0,0,"operator%=",this); - } - - //! In-place modulo operator. - /** - Similar to operator+=(const CImg&), except that it performs a modulo operation instead of an addition. - **/ - template - CImg& operator%=(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return *this%=+img; - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg<_cimg_Tt> operator%(const t value) const { - return CImg<_cimg_Tt>(*this,false)%=value; - } - - //! Modulo operator. - /** - Similar to operator%=(const char*), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - CImg operator%(const char *const expression) const { - return CImg(*this,false)%=expression; - } - - //! Modulo operator. - /** - Similar to operator%=(const CImg&), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image may be a superset of the initial pixel type \c T, if necessary. - **/ - template - CImg<_cimg_Tt> operator%(const CImg& img) const { - return CImg<_cimg_Tt>(*this,false)%=img; - } - - //! In-place bitwise AND operator. - /** - Similar to operator+=(const t), except that it performs a bitwise AND operation instead of an addition. - **/ - template - CImg& operator&=(const t value) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)((unsigned long)*ptrd & (unsigned long)value); - return *this; - } - - //! In-place bitwise AND operator. - /** - Similar to operator+=(const char*), except that it performs a bitwise AND operation instead of an addition. - **/ - CImg& operator&=(const char *const expression) { - return *this&=(+*this)._fill(expression,true,true,0,0,"operator&=",this); - } - - //! In-place bitwise AND operator. - /** - Similar to operator+=(const CImg&), except that it performs a bitwise AND operation instead of an addition. - **/ - template - CImg& operator&=(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return *this&=+img; - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg operator&(const t value) const { - return (+*this)&=value; - } - - //! Bitwise AND operator. - /** - Similar to operator&=(const char*), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image is \c T. - **/ - CImg operator&(const char *const expression) const { - return (+*this)&=expression; - } - - //! Bitwise AND operator. - /** - Similar to operator&=(const CImg&), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image is \c T. - **/ - template - CImg operator&(const CImg& img) const { - return (+*this)&=img; - } - - //! In-place bitwise OR operator. - /** - Similar to operator+=(const t), except that it performs a bitwise OR operation instead of an addition. - **/ - template - CImg& operator|=(const t value) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)((unsigned long)*ptrd | (unsigned long)value); - return *this; - } - - //! In-place bitwise OR operator. - /** - Similar to operator+=(const char*), except that it performs a bitwise OR operation instead of an addition. - **/ - CImg& operator|=(const char *const expression) { - return *this|=(+*this)._fill(expression,true,true,0,0,"operator|=",this); - } - - //! In-place bitwise OR operator. - /** - Similar to operator+=(const CImg&), except that it performs a bitwise OR operation instead of an addition. - **/ - template - CImg& operator|=(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return *this|=+img; - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg operator|(const t value) const { - return (+*this)|=value; - } - - //! Bitwise OR operator. - /** - Similar to operator|=(const char*), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image is \c T. - **/ - CImg operator|(const char *const expression) const { - return (+*this)|=expression; - } - - //! Bitwise OR operator. - /** - Similar to operator|=(const CImg&), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image is \c T. - **/ - template - CImg operator|(const CImg& img) const { - return (+*this)|=img; - } - - //! In-place bitwise XOR operator. - /** - Similar to operator+=(const t), except that it performs a bitwise XOR operation instead of an addition. - \warning - - It does \e not compute the \e power of pixel values. For this purpose, use pow(const t) instead. - **/ - template - CImg& operator^=(const t value) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)((unsigned long)*ptrd ^ (unsigned long)value); - return *this; - } - - //! In-place bitwise XOR operator. - /** - Similar to operator+=(const char*), except that it performs a bitwise XOR operation instead of an addition. - \warning - - It does \e not compute the \e power of pixel values. For this purpose, use pow(const char*) instead. - **/ - CImg& operator^=(const char *const expression) { - return *this^=(+*this)._fill(expression,true,true,0,0,"operator^=",this); - } - - //! In-place bitwise XOR operator. - /** - Similar to operator+=(const CImg&), except that it performs a bitwise XOR operation instead of an addition. - \warning - - It does \e not compute the \e power of pixel values. For this purpose, use pow(const CImg&) instead. - **/ - template - CImg& operator^=(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return *this^=+img; - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg operator^(const t value) const { - return (+*this)^=value; - } - - //! Bitwise XOR operator. - /** - Similar to operator^=(const char*), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image is \c T. - **/ - CImg operator^(const char *const expression) const { - return (+*this)^=expression; - } - - //! Bitwise XOR operator. - /** - Similar to operator^=(const CImg&), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image is \c T. - **/ - template - CImg operator^(const CImg& img) const { - return (+*this)^=img; - } - - //! In-place bitwise left shift operator. - /** - Similar to operator+=(const t), except that it performs a bitwise left shift instead of an addition. - **/ - template - CImg& operator<<=(const t value) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=65536) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)(((long)*ptrd) << (int)value); - return *this; - } - - //! In-place bitwise left shift operator. - /** - Similar to operator+=(const char*), except that it performs a bitwise left shift instead of an addition. - **/ - CImg& operator<<=(const char *const expression) { - return *this<<=(+*this)._fill(expression,true,true,0,0,"operator<<=",this); - } - - //! In-place bitwise left shift operator. - /** - Similar to operator+=(const CImg&), except that it performs a bitwise left shift instead of an addition. - **/ - template - CImg& operator<<=(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return *this^=+img; - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg operator<<(const t value) const { - return (+*this)<<=value; - } - - //! Bitwise left shift operator. - /** - Similar to operator<<=(const char*), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image is \c T. - **/ - CImg operator<<(const char *const expression) const { - return (+*this)<<=expression; - } - - //! Bitwise left shift operator. - /** - Similar to operator<<=(const CImg&), except that it returns a new image instance instead of - operating in-place. - The pixel type of the returned image is \c T. - **/ - template - CImg operator<<(const CImg& img) const { - return (+*this)<<=img; - } - - //! In-place bitwise right shift operator. - /** - Similar to operator+=(const t), except that it performs a bitwise right shift instead of an addition. - **/ - template - CImg& operator>>=(const t value) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=65536) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)(((long)*ptrd) >> (int)value); - return *this; - } - - //! In-place bitwise right shift operator. - /** - Similar to operator+=(const char*), except that it performs a bitwise right shift instead of an addition. - **/ - CImg& operator>>=(const char *const expression) { - return *this>>=(+*this)._fill(expression,true,true,0,0,"operator>>=",this); - } - - //! In-place bitwise right shift operator. - /** - Similar to operator+=(const CImg&), except that it performs a bitwise right shift instead of an addition. - **/ - template - CImg& operator>>=(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return *this^=+img; - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs> (int)*(ptrs++)); - for (const t *ptrs = img._data; ptrd> (int)*(ptrs++)); - } - return *this; - } - - //! Bitwise right shift operator. - /** - Similar to operator>>=(const t), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image is \c T. - **/ - template - CImg operator>>(const t value) const { - return (+*this)>>=value; - } - - //! Bitwise right shift operator. - /** - Similar to operator>>=(const char*), except that it returns a new image instance instead of operating in-place. - The pixel type of the returned image is \c T. - **/ - CImg operator>>(const char *const expression) const { - return (+*this)>>=expression; - } - - //! Bitwise right shift operator. - /** - Similar to operator>>=(const CImg&), except that it returns a new image instance instead of - operating in-place. - The pixel type of the returned image is \c T. - **/ - template - CImg operator>>(const CImg& img) const { - return (+*this)>>=img; - } - - //! Bitwise inversion operator. - /** - Similar to operator-(), except that it compute the bitwise inverse instead of the opposite value. - **/ - CImg operator~() const { - CImg res(_width,_height,_depth,_spectrum); - const T *ptrs = _data; - cimg_for(res,ptrd,T) { const unsigned long value = (unsigned long)*(ptrs++); *ptrd = (T)~value; } - return res; - } - - //! Test if all pixels of an image have the same value. - /** - Return \c true is all pixels of the image instance are equal to the specified \c value. - \param value Reference value to compare with. - **/ - template - bool operator==(const t value) const { - if (is_empty()) return false; - typedef _cimg_Tt Tt; - bool is_equal = true; - for (T *ptrd = _data + size(); is_equal && ptrd>_data; is_equal = ((Tt)*(--ptrd)==(Tt)value)) {} - return is_equal; - } - - //! Test if all pixel values of an image follow a specified expression. - /** - Return \c true is all pixels of the image instance are equal to the specified \c expression. - \param expression Value string describing the way pixel values are compared. - **/ - bool operator==(const char *const expression) const { - return *this==(+*this)._fill(expression,true,true,0,0,"operator==",this); - } - - //! Test if two images have the same size and values. - /** - Return \c true if the image instance and the input image \c img have the same dimensions and pixel values, - and \c false otherwise. - \param img Input image to compare with. - \note - - The pixel buffer pointers data() of the two compared images do not have to be the same for operator==() - to return \c true. - Only the dimensions and the pixel values matter. Thus, the comparison can be \c true even for different - pixel types \c T and \c t. - \par Example - \code - const CImg img1(1,3,1,1, 0,1,2); // Construct a 1x3 vector [0;1;2] (with 'float' pixel values). - const CImg img2(1,3,1,1, 0,1,2); // Construct a 1x3 vector [0;1;2] (with 'char' pixel values). - if (img1==img2) { // Test succeeds, image dimensions and values are the same. - std::printf("'img1' and 'img2' have same dimensions and values."); - } - \endcode - **/ - template - bool operator==(const CImg& img) const { - typedef _cimg_Tt Tt; - const unsigned long siz = size(); - bool is_equal = true; - if (siz!=img.size()) return false; - t *ptrs = img._data + siz; - for (T *ptrd = _data + siz; is_equal && ptrd>_data; is_equal = ((Tt)*(--ptrd)==(Tt)*(--ptrs))) {} - return is_equal; - } - - //! Test if pixels of an image are all different from a value. - /** - Return \c true is all pixels of the image instance are different than the specified \c value. - \param value Reference value to compare with. - **/ - template - bool operator!=(const t value) const { - return !((*this)==value); - } - - //! Test if all pixel values of an image are different from a specified expression. - /** - Return \c true is all pixels of the image instance are different to the specified \c expression. - \param expression Value string describing the way pixel values are compared. - **/ - bool operator!=(const char *const expression) const { - return !((*this)==expression); - } - - //! Test if two images have different sizes or values. - /** - Return \c true if the image instance and the input image \c img have different dimensions or pixel values, - and \c false otherwise. - \param img Input image to compare with. - \note - - Writing \c img1!=img2 is equivalent to \c !(img1==img2). - **/ - template - bool operator!=(const CImg& img) const { - return !((*this)==img); - } - - //! Construct an image list from two images. - /** - Return a new list of image (\c CImgList instance) containing exactly two elements: - - A copy of the image instance, at position [\c 0]. - - A copy of the specified image \c img, at position [\c 1]. - - \param img Input image that will be the second image of the resulting list. - \note - - The family of operator,() is convenient to easily create list of images, but it is also \e quite \e slow - in practice (see warning below). - - Constructed lists contain no shared images. If image instance or input image \c img are shared, they are - inserted as new non-shared copies in the resulting list. - - The pixel type of the returned list may be a superset of the initial pixel type \c T, if necessary. - \warning - - Pipelining operator,() \c N times will perform \c N copies of the entire content of a (growing) image list. - This may become very expensive in terms of speed and used memory. You should avoid using this technique to - build a new CImgList instance from several images, if you are seeking for performance. - Fast insertions of images in an image list are possible with - CImgList::insert(const CImg&,unsigned int,bool) or move_to(CImgList&,unsigned int). - \par Example - \code - const CImg - img1("reference.jpg"), - img2 = img1.get_mirror('x'), - img3 = img2.get_blur(5); - const CImgList list = (img1,img2); // Create list of two elements from 'img1' and 'img2'. - (list,img3).display(); // Display image list containing copies of 'img1','img2' and 'img3'. - \endcode - \image html ref_operator_comma.jpg - **/ - template - CImgList<_cimg_Tt> operator,(const CImg& img) const { - return CImgList<_cimg_Tt>(*this,img); - } - - //! Construct an image list from image instance and an input image list. - /** - Return a new list of images (\c CImgList instance) containing exactly \c list.size() \c + \c 1 elements: - - A copy of the image instance, at position [\c 0]. - - A copy of the specified image list \c list, from positions [\c 1] to [\c list.size()]. - - \param list Input image list that will be appended to the image instance. - \note - - Similar to operator,(const CImg&) const, except that it takes an image list as an argument. - **/ - template - CImgList<_cimg_Tt> operator,(const CImgList& list) const { - return CImgList<_cimg_Tt>(list,false).insert(*this,0); - } - - //! Split image along specified axis. - /** - Return a new list of images (\c CImgList instance) containing the splitted components - of the instance image along the specified axis. - \param axis Splitting axis (can be '\c x','\c y','\c z' or '\c c') - \note - - Similar to get_split(char,int) const, with default second argument. - \par Example - \code - const CImg img("reference.jpg"); // Load a RGB color image. - const CImgList list = (img<'c'); // Get a list of its three R,G,B channels. - (img,list).display(); - \endcode - \image html ref_operator_less.jpg - **/ - CImgList operator<(const char axis) const { - return get_split(axis); - } - - //@} - //------------------------------------- - // - //! \name Instance Characteristics - //@{ - //------------------------------------- - - //! Return the type of image pixel values as a C string. - /** - Return a \c char* string containing the usual type name of the image pixel values - (i.e. a stringified version of the template parameter \c T). - \note - - The returned string may contain spaces (as in \c "unsigned char"). - - If the pixel type \c T does not correspond to a registered type, the string "unknown" is returned. - **/ - static const char* pixel_type() { - return cimg::type::string(); - } - - //! Return the number of image columns. - /** - Return the image width, i.e. the image dimension along the X-axis. - \note - - The width() of an empty image is equal to \c 0. - - width() is typically equal to \c 1 when considering images as \e vectors for matrix calculations. - - width() returns an \c int, although the image width is internally stored as an \c unsigned \c int. - Using an \c int is safer and prevents arithmetic traps possibly encountered when doing calculations involving - \c unsigned \c int variables. - Access to the initial \c unsigned \c int variable is possible (though not recommended) by - (*this)._width. - **/ - int width() const { - return (int)_width; - } - - //! Return the number of image rows. - /** - Return the image height, i.e. the image dimension along the Y-axis. - \note - - The height() of an empty image is equal to \c 0. - - height() returns an \c int, although the image height is internally stored as an \c unsigned \c int. - Using an \c int is safer and prevents arithmetic traps possibly encountered when doing calculations involving - \c unsigned \c int variables. - Access to the initial \c unsigned \c int variable is possible (though not recommended) by - (*this)._height. - **/ - int height() const { - return (int)_height; - } - - //! Return the number of image slices. - /** - Return the image depth, i.e. the image dimension along the Z-axis. - \note - - The depth() of an empty image is equal to \c 0. - - depth() is typically equal to \c 1 when considering usual 2d images. When depth()\c > \c 1, the image - is said to be \e volumetric. - - depth() returns an \c int, although the image depth is internally stored as an \c unsigned \c int. - Using an \c int is safer and prevents arithmetic traps possibly encountered when doing calculations involving - \c unsigned \c int variables. - Access to the initial \c unsigned \c int variable is possible (though not recommended) by - (*this)._depth. - **/ - int depth() const { - return (int)_depth; - } - - //! Return the number of image channels. - /** - Return the number of image channels, i.e. the image dimension along the C-axis. - \note - - The spectrum() of an empty image is equal to \c 0. - - spectrum() is typically equal to \c 1 when considering scalar-valued images, to \c 3 - for RGB-coded color images, and to \c 4 for RGBA-coded color images (with alpha-channel). - The number of channels of an image instance is not limited. The meaning of the pixel values is not linked - up to the number of channels (e.g. a 4-channel image may indifferently stands for a RGBA or CMYK color image). - - spectrum() returns an \c int, although the image spectrum is internally stored as an \c unsigned \c int. - Using an \c int is safer and prevents arithmetic traps possibly encountered when doing calculations involving - \c unsigned \c int variables. - Access to the initial \c unsigned \c int variable is possible (though not recommended) by - (*this)._spectrum. - **/ - int spectrum() const { - return (int)_spectrum; - } - - //! Return the total number of pixel values. - /** - Return width()*\ref height()*\ref depth()*\ref spectrum(), - i.e. the total number of values of type \c T in the pixel buffer of the image instance. - \note - - The size() of an empty image is equal to \c 0. - - The allocated memory size for a pixel buffer of a non-shared \c CImg instance is equal to - size()*sizeof(T). - \par Example - \code - const CImg img(100,100,1,3); // Construct new 100x100 color image. - if (img.size()==30000) // Test succeeds. - std::printf("Pixel buffer uses %lu bytes", - img.size()*sizeof(float)); - \endcode - **/ - unsigned long size() const { - return (unsigned long)_width*_height*_depth*_spectrum; - } - - //! Return a pointer to the first pixel value. - /** - Return a \c T*, or a \c const \c T* pointer to the first value in the pixel buffer of the image instance, - whether the instance is \c const or not. - \note - - The data() of an empty image is equal to \c 0 (null pointer). - - The allocated pixel buffer for the image instance starts from \c data() - and goes to data()+\ref size() - 1 (included). - - To get the pointer to one particular location of the pixel buffer, use - data(unsigned int,unsigned int,unsigned int,unsigned int) instead. - **/ - T* data() { - return _data; - } - - //! Return a pointer to the first pixel value \const. - const T* data() const { - return _data; - } - - //! Return a pointer to a located pixel value. - /** - Return a \c T*, or a \c const \c T* pointer to the value located at (\c x,\c y,\c z,\c c) in the pixel buffer - of the image instance, - whether the instance is \c const or not. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note - - Writing \c img.data(x,y,z,c) is equivalent to &(img(x,y,z,c)). Thus, this method has the same - properties as operator()(unsigned int,unsigned int,unsigned int,unsigned int). - **/ -#if cimg_verbosity>=3 - T *data(const unsigned int x, const unsigned int y=0, const unsigned int z=0, const unsigned int c=0) { - const unsigned long off = (unsigned long)offset(x,y,z,c); - if (off>=size()) - cimg::warn(_cimg_instance - "data(): Invalid pointer request, at coordinates (%u,%u,%u,%u) [offset=%u].", - cimg_instance, - x,y,z,c,off); - return _data + off; - } - - //! Return a pointer to a located pixel value \const. - const T* data(const unsigned int x, const unsigned int y=0, const unsigned int z=0, const unsigned int c=0) const { - return const_cast*>(this)->data(x,y,z,c); - } -#else - T* data(const unsigned int x, const unsigned int y=0, const unsigned int z=0, const unsigned int c=0) { - return _data + x + y*(unsigned long)_width + z*(unsigned long)_width*_height + - c*(unsigned long)_width*_height*_depth; - } - - const T* data(const unsigned int x, const unsigned int y=0, const unsigned int z=0, const unsigned int c=0) const { - return _data + x + y*_width + z*(unsigned long)_width*_height + c*(unsigned long)_width*_height*_depth; - } -#endif - - //! Return the offset to a located pixel value, with respect to the beginning of the pixel buffer. - /** - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note - - Writing \c img.data(x,y,z,c) is equivalent to &(img(x,y,z,c)) - img.data(). - Thus, this method has the same properties as operator()(unsigned int,unsigned int,unsigned int,unsigned int). - \par Example - \code - const CImg img(100,100,1,3); // Define a 100x100 RGB-color image. - const long off = img.offset(10,10,0,2); // Get the offset of the blue value of the pixel located at (10,10). - const float val = img[off]; // Get the blue value of this pixel. - \endcode - **/ - long offset(const int x, const int y=0, const int z=0, const int c=0) const { - return x + y*(long)_width + z*(long)(_width*_height) + c*(long)(_width*_height*_depth); - } - - //! Return a CImg::iterator pointing to the first pixel value. - /** - \note - - Equivalent to data(). - - It has been mainly defined for compatibility with STL naming conventions. - **/ - iterator begin() { - return _data; - } - - //! Return a CImg::iterator pointing to the first value of the pixel buffer \const. - const_iterator begin() const { - return _data; - } - - //! Return a CImg::iterator pointing next to the last pixel value. - /** - \note - - Writing \c img.end() is equivalent to img.data() + img.size(). - - It has been mainly defined for compatibility with STL naming conventions. - \warning - - The returned iterator actually points to a value located \e outside the acceptable bounds of the pixel buffer. - Trying to read or write the content of the returned iterator will probably result in a crash. - Use it mainly as a strict upper bound for a CImg::iterator. - \par Example - \code - CImg img(100,100,1,3); // Define a 100x100 RGB color image. - for (CImg::iterator it = img.begin(); it::iterator pointing next to the last pixel value \const. - const_iterator end() const { - return _data + size(); - } - - //! Return a reference to the first pixel value. - /** - \note - - Writing \c img.front() is equivalent to img[0], or img(0,0,0,0). - - It has been mainly defined for compatibility with STL naming conventions. - **/ - T& front() { - return *_data; - } - - //! Return a reference to the first pixel value \const. - const T& front() const { - return *_data; - } - - //! Return a reference to the last pixel value. - /** - \note - - Writing \c img.end() is equivalent to img[img.size() - 1], or - img(img.width() - 1,img.height() - 1,img.depth() - 1,img.spectrum() - 1). - - It has been mainly defined for compatibility with STL naming conventions. - **/ - T& back() { - return *(_data + size() - 1); - } - - //! Return a reference to the last pixel value \const. - const T& back() const { - return *(_data + size() - 1); - } - - //! Access to a pixel value at a specified offset, using Dirichlet boundary conditions. - /** - Return a reference to the pixel value of the image instance located at a specified \c offset, - or to a specified default value in case of out-of-bounds access. - \param offset Offset to the desired pixel value. - \param out_value Default value returned if \c offset is outside image bounds. - \note - - Writing \c img.at(offset,out_value) is similar to img[offset], except that if \c offset - is outside bounds (e.g. \c offset<0 or \c offset>=img.size()), a reference to a value \c out_value - is safely returned instead. - - Due to the additional boundary checking operation, this method is slower than operator()(). Use it when - you are \e not sure about the validity of the specified pixel offset. - **/ - T& at(const int offset, const T& out_value) { - return (offset<0 || offset>=(int)size())?(cimg::temporary(out_value)=out_value):(*this)[offset]; - } - - //! Access to a pixel value at a specified offset, using Dirichlet boundary conditions \const. - T at(const int offset, const T& out_value) const { - return (offset<0 || offset>=(int)size())?out_value:(*this)[offset]; - } - - //! Access to a pixel value at a specified offset, using Neumann boundary conditions. - /** - Return a reference to the pixel value of the image instance located at a specified \c offset, - or to the nearest pixel location in the image instance in case of out-of-bounds access. - \param offset Offset to the desired pixel value. - \note - - Similar to at(int,const T), except that an out-of-bounds access returns the value of the - nearest pixel in the image instance, regarding the specified offset, i.e. - - If \c offset<0, then \c img[0] is returned. - - If \c offset>=img.size(), then \c img[img.size() - 1] is returned. - - Due to the additional boundary checking operation, this method is slower than operator()(). Use it when - you are \e not sure about the validity of the specified pixel offset. - - If you know your image instance is \e not empty, you may rather use the slightly faster method \c _at(int). - **/ - T& at(const int offset) { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "at(): Empty instance.", - cimg_instance); - return _at(offset); - } - - T& _at(const int offset) { - const unsigned int siz = (unsigned int)size(); - return (*this)[offset<0?0:(unsigned int)offset>=siz?siz - 1:offset]; - } - - //! Access to a pixel value at a specified offset, using Neumann boundary conditions \const. - const T& at(const int offset) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "at(): Empty instance.", - cimg_instance); - return _at(offset); - } - - const T& _at(const int offset) const { - const unsigned int siz = (unsigned int)size(); - return (*this)[offset<0?0:(unsigned int)offset>=siz?siz - 1:offset]; - } - - //! Access to a pixel value, using Dirichlet boundary conditions for the X-coordinate. - /** - Return a reference to the pixel value of the image instance located at (\c x,\c y,\c z,\c c), - or to a specified default value in case of out-of-bounds access along the X-axis. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \param out_value Default value returned if \c (\c x,\c y,\c z,\c c) is outside image bounds. - \note - - Similar to operator()(), except that an out-of-bounds access along the X-axis returns the specified value - \c out_value. - - Due to the additional boundary checking operation, this method is slower than operator()(). Use it when - you are \e not sure about the validity of the specified pixel coordinates. - \warning - - There is \e no boundary checking performed for the Y,Z and C-coordinates, so they must be inside image bounds. - **/ - T& atX(const int x, const int y, const int z, const int c, const T& out_value) { - return (x<0 || x>=width())?(cimg::temporary(out_value)=out_value):(*this)(x,y,z,c); - } - - //! Access to a pixel value, using Dirichlet boundary conditions for the X-coordinate \const. - T atX(const int x, const int y, const int z, const int c, const T& out_value) const { - return (x<0 || x>=width())?out_value:(*this)(x,y,z,c); - } - - //! Access to a pixel value, using Neumann boundary conditions for the X-coordinate. - /** - Return a reference to the pixel value of the image instance located at (\c x,\c y,\c z,\c c), - or to the nearest pixel location in the image instance in case of out-of-bounds access along the X-axis. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note - - Similar to at(int,int,int,int,const T), except that an out-of-bounds access returns the value of the - nearest pixel in the image instance, regarding the specified X-coordinate. - - Due to the additional boundary checking operation, this method is slower than operator()(). Use it when - you are \e not sure about the validity of the specified pixel coordinates. - - If you know your image instance is \e not empty, you may rather use the slightly faster method - \c _at(int,int,int,int). - \warning - - There is \e no boundary checking performed for the Y,Z and C-coordinates, so they must be inside image bounds. - **/ - T& atX(const int x, const int y=0, const int z=0, const int c=0) { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "atX(): Empty instance.", - cimg_instance); - return _atX(x,y,z,c); - } - - T& _atX(const int x, const int y=0, const int z=0, const int c=0) { - return (*this)(x<0?0:(x>=width()?width() - 1:x),y,z,c); - } - - //! Access to a pixel value, using Neumann boundary conditions for the X-coordinate \const. - const T& atX(const int x, const int y=0, const int z=0, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "atX(): Empty instance.", - cimg_instance); - return _atX(x,y,z,c); - } - - const T& _atX(const int x, const int y=0, const int z=0, const int c=0) const { - return (*this)(x<0?0:(x>=width()?width() - 1:x),y,z,c); - } - - //! Access to a pixel value, using Dirichlet boundary conditions for the X and Y-coordinates. - /** - Similar to atX(int,int,int,int,const T), except that boundary checking is performed both on X and Y-coordinates. - **/ - T& atXY(const int x, const int y, const int z, const int c, const T& out_value) { - return (x<0 || y<0 || x>=width() || y>=height())?(cimg::temporary(out_value)=out_value):(*this)(x,y,z,c); - } - - //! Access to a pixel value, using Dirichlet boundary conditions for the X and Y coordinates \const. - T atXY(const int x, const int y, const int z, const int c, const T& out_value) const { - return (x<0 || y<0 || x>=width() || y>=height())?out_value:(*this)(x,y,z,c); - } - - //! Access to a pixel value, using Neumann boundary conditions for the X and Y-coordinates. - /** - Similar to atX(int,int,int,int), except that boundary checking is performed both on X and Y-coordinates. - \note - - If you know your image instance is \e not empty, you may rather use the slightly faster method - \c _atXY(int,int,int,int). - **/ - T& atXY(const int x, const int y, const int z=0, const int c=0) { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "atXY(): Empty instance.", - cimg_instance); - return _atXY(x,y,z,c); - } - - T& _atXY(const int x, const int y, const int z=0, const int c=0) { - return (*this)(x<0?0:(x>=width()?width() - 1:x), y<0?0:(y>=height()?height() - 1:y),z,c); - } - - //! Access to a pixel value, using Neumann boundary conditions for the X and Y-coordinates \const. - const T& atXY(const int x, const int y, const int z=0, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "atXY(): Empty instance.", - cimg_instance); - return _atXY(x,y,z,c); - } - - const T& _atXY(const int x, const int y, const int z=0, const int c=0) const { - return (*this)(x<0?0:(x>=width()?width() - 1:x), y<0?0:(y>=height()?height() - 1:y),z,c); - } - - //! Access to a pixel value, using Dirichlet boundary conditions for the X,Y and Z-coordinates. - /** - Similar to atX(int,int,int,int,const T), except that boundary checking is performed both on - X,Y and Z-coordinates. - **/ - T& atXYZ(const int x, const int y, const int z, const int c, const T& out_value) { - return (x<0 || y<0 || z<0 || x>=width() || y>=height() || z>=depth())? - (cimg::temporary(out_value)=out_value):(*this)(x,y,z,c); - } - - //! Access to a pixel value, using Dirichlet boundary conditions for the X,Y and Z-coordinates \const. - T atXYZ(const int x, const int y, const int z, const int c, const T& out_value) const { - return (x<0 || y<0 || z<0 || x>=width() || y>=height() || z>=depth())?out_value:(*this)(x,y,z,c); - } - - //! Access to a pixel value, using Neumann boundary conditions for the X,Y and Z-coordinates. - /** - Similar to atX(int,int,int,int), except that boundary checking is performed both on X,Y and Z-coordinates. - \note - - If you know your image instance is \e not empty, you may rather use the slightly faster method - \c _atXYZ(int,int,int,int). - **/ - T& atXYZ(const int x, const int y, const int z, const int c=0) { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "atXYZ(): Empty instance.", - cimg_instance); - return _atXYZ(x,y,z,c); - } - - T& _atXYZ(const int x, const int y, const int z, const int c=0) { - return (*this)(x<0?0:x>=width()?width() - 1:x,y<0?0:y>=height()?height() - 1:y, - z<0?0:z>=depth()?depth() - 1:z,c); - } - - //! Access to a pixel value, using Neumann boundary conditions for the X,Y and Z-coordinates \const. - const T& atXYZ(const int x, const int y, const int z, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "atXYZ(): Empty instance.", - cimg_instance); - return _atXYZ(x,y,z,c); - } - - const T& _atXYZ(const int x, const int y, const int z, const int c=0) const { - return (*this)(x<0?0:(x>=width()?width() - 1:x),y<0?0:(y>=height()?height() - 1:y), - z<0?0:(z>=depth()?depth() - 1:z),c); - } - - //! Access to a pixel value, using Dirichlet boundary conditions. - /** - Similar to atX(int,int,int,int,const T), except that boundary checking is performed on all - X,Y,Z and C-coordinates. - **/ - T& atXYZC(const int x, const int y, const int z, const int c, const T& out_value) { - return (x<0 || y<0 || z<0 || c<0 || x>=width() || y>=height() || z>=depth() || c>=spectrum())? - (cimg::temporary(out_value)=out_value):(*this)(x,y,z,c); - } - - //! Access to a pixel value, using Dirichlet boundary conditions \const. - T atXYZC(const int x, const int y, const int z, const int c, const T& out_value) const { - return (x<0 || y<0 || z<0 || c<0 || x>=width() || y>=height() || z>=depth() || c>=spectrum())?out_value: - (*this)(x,y,z,c); - } - - //! Access to a pixel value, using Neumann boundary conditions. - /** - Similar to atX(int,int,int,int), except that boundary checking is performed on all X,Y,Z and C-coordinates. - \note - - If you know your image instance is \e not empty, you may rather use the slightly faster method - \c _atXYZC(int,int,int,int). - **/ - T& atXYZC(const int x, const int y, const int z, const int c) { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "atXYZC(): Empty instance.", - cimg_instance); - return _atXYZC(x,y,z,c); - } - - T& _atXYZC(const int x, const int y, const int z, const int c) { - return (*this)(x<0?0:(x>=width()?width() - 1:x), y<0?0:(y>=height()?height() - 1:y), - z<0?0:(z>=depth()?depth() - 1:z), c<0?0:(c>=spectrum()?spectrum() - 1:c)); - } - - //! Access to a pixel value, using Neumann boundary conditions \const. - const T& atXYZC(const int x, const int y, const int z, const int c) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "atXYZC(): Empty instance.", - cimg_instance); - return _atXYZC(x,y,z,c); - } - - const T& _atXYZC(const int x, const int y, const int z, const int c) const { - return (*this)(x<0?0:(x>=width()?width() - 1:x), y<0?0:(y>=height()?height() - 1:y), - z<0?0:(z>=depth()?depth() - 1:z), c<0?0:(c>=spectrum()?spectrum() - 1:c)); - } - - //! Return pixel value, using linear interpolation and Dirichlet boundary conditions for the X-coordinate. - /** - Return a linearly-interpolated pixel value of the image instance located at (\c fx,\c y,\c z,\c c), - or a specified default value in case of out-of-bounds access along the X-axis. - \param fx X-coordinate of the pixel value (float-valued). - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \param out_value Default value returned if \c (\c fx,\c y,\c z,\c c) is outside image bounds. - \note - - Similar to atX(int,int,int,int,const T), except that the returned pixel value is approximated by - a linear interpolation along the X-axis, if corresponding coordinates are not integers. - - The type of the returned pixel value is extended to \c float, if the pixel type \c T is not float-valued. - \warning - - There is \e no boundary checking performed for the Y,Z and C-coordinates, so they must be inside image bounds. - **/ - Tfloat linear_atX(const float fx, const int y, const int z, const int c, const T& out_value) const { - const int - x = (int)fx - (fx>=0?0:1), nx = x + 1; - const float - dx = fx - x; - const Tfloat - Ic = (Tfloat)atX(x,y,z,c,out_value), In = (Tfloat)atXY(nx,y,z,c,out_value); - return Ic + dx*(In - Ic); - } - - //! Return pixel value, using linear interpolation and Neumann boundary conditions for the X-coordinate. - /** - Return a linearly-interpolated pixel value of the image instance located at (\c fx,\c y,\c z,\c c), - or the value of the nearest pixel location in the image instance in case of out-of-bounds access along - the X-axis. - \param fx X-coordinate of the pixel value (float-valued). - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note - - Similar to linear_atX(float,int,int,int,const T) const, except that an out-of-bounds access returns - the value of the nearest pixel in the image instance, regarding the specified X-coordinate. - - If you know your image instance is \e not empty, you may rather use the slightly faster method - \c _linear_atX(float,int,int,int). - \warning - - There is \e no boundary checking performed for the Y,Z and C-coordinates, so they must be inside image bounds. - **/ - Tfloat linear_atX(const float fx, const int y=0, const int z=0, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "linear_atX(): Empty instance.", - cimg_instance); - - return _linear_atX(fx,y,z,c); - } - - Tfloat _linear_atX(const float fx, const int y=0, const int z=0, const int c=0) const { - const float - nfx = fx<0?0:(fx>_width - 1?_width - 1:fx); - const unsigned int - x = (unsigned int)nfx; - const float - dx = nfx - x; - const unsigned int - nx = dx>0?x + 1:x; - const Tfloat - Ic = (Tfloat)(*this)(x,y,z,c), In = (Tfloat)(*this)(nx,y,z,c); - return Ic + dx*(In - Ic); - } - - //! Return pixel value, using linear interpolation and Dirichlet boundary conditions for the X and Y-coordinates. - /** - Similar to linear_atX(float,int,int,int,const T) const, except that the linear interpolation and the - boundary checking are achieved both for X and Y-coordinates. - **/ - Tfloat linear_atXY(const float fx, const float fy, const int z, const int c, const T& out_value) const { - const int - x = (int)fx - (fx>=0?0:1), nx = x + 1, - y = (int)fy - (fy>=0?0:1), ny = y + 1; - const float - dx = fx - x, - dy = fy - y; - const Tfloat - Icc = (Tfloat)atXY(x,y,z,c,out_value), Inc = (Tfloat)atXY(nx,y,z,c,out_value), - Icn = (Tfloat)atXY(x,ny,z,c,out_value), Inn = (Tfloat)atXY(nx,ny,z,c,out_value); - return Icc + dx*(Inc - Icc + dy*(Icc + Inn - Icn - Inc)) + dy*(Icn - Icc); - } - - //! Return pixel value, using linear interpolation and Neumann boundary conditions for the X and Y-coordinates. - /** - Similar to linear_atX(float,int,int,int) const, except that the linear interpolation and the boundary checking - are achieved both for X and Y-coordinates. - \note - - If you know your image instance is \e not empty, you may rather use the slightly faster method - \c _linear_atXY(float,float,int,int). - **/ - Tfloat linear_atXY(const float fx, const float fy, const int z=0, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "linear_atXY(): Empty instance.", - cimg_instance); - - return _linear_atXY(fx,fy,z,c); - } - - Tfloat _linear_atXY(const float fx, const float fy, const int z=0, const int c=0) const { - const float - nfx = fx<0?0:(fx>_width - 1?_width - 1:fx), - nfy = fy<0?0:(fy>_height - 1?_height - 1:fy); - const unsigned int - x = (unsigned int)nfx, - y = (unsigned int)nfy; - const float - dx = nfx - x, - dy = nfy - y; - const unsigned int - nx = dx>0?x + 1:x, - ny = dy>0?y + 1:y; - const Tfloat - Icc = (Tfloat)(*this)(x,y,z,c), Inc = (Tfloat)(*this)(nx,y,z,c), - Icn = (Tfloat)(*this)(x,ny,z,c), Inn = (Tfloat)(*this)(nx,ny,z,c); - return Icc + dx*(Inc - Icc + dy*(Icc + Inn - Icn - Inc)) + dy*(Icn - Icc); - } - - //! Return pixel value, using linear interpolation and Dirichlet boundary conditions for the X,Y and Z-coordinates. - /** - Similar to linear_atX(float,int,int,int,const T) const, except that the linear interpolation and the - boundary checking are achieved both for X,Y and Z-coordinates. - **/ - Tfloat linear_atXYZ(const float fx, const float fy, const float fz, const int c, const T& out_value) const { - const int - x = (int)fx - (fx>=0?0:1), nx = x + 1, - y = (int)fy - (fy>=0?0:1), ny = y + 1, - z = (int)fz - (fz>=0?0:1), nz = z + 1; - const float - dx = fx - x, - dy = fy - y, - dz = fz - z; - const Tfloat - Iccc = (Tfloat)atXYZ(x,y,z,c,out_value), Incc = (Tfloat)atXYZ(nx,y,z,c,out_value), - Icnc = (Tfloat)atXYZ(x,ny,z,c,out_value), Innc = (Tfloat)atXYZ(nx,ny,z,c,out_value), - Iccn = (Tfloat)atXYZ(x,y,nz,c,out_value), Incn = (Tfloat)atXYZ(nx,y,nz,c,out_value), - Icnn = (Tfloat)atXYZ(x,ny,nz,c,out_value), Innn = (Tfloat)atXYZ(nx,ny,nz,c,out_value); - return Iccc + - dx*(Incc - Iccc + - dy*(Iccc + Innc - Icnc - Incc + - dz*(Iccn + Innn + Icnc + Incc - Icnn - Incn - Iccc - Innc)) + - dz*(Iccc + Incn - Iccn - Incc)) + - dy*(Icnc - Iccc + - dz*(Iccc + Icnn - Iccn - Icnc)) + - dz*(Iccn - Iccc); - } - - //! Return pixel value, using linear interpolation and Neumann boundary conditions for the X,Y and Z-coordinates. - /** - Similar to linear_atX(float,int,int,int) const, except that the linear interpolation and the boundary checking - are achieved both for X,Y and Z-coordinates. - \note - - If you know your image instance is \e not empty, you may rather use the slightly faster method - \c _linear_atXYZ(float,float,float,int). - **/ - Tfloat linear_atXYZ(const float fx, const float fy=0, const float fz=0, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "linear_atXYZ(): Empty instance.", - cimg_instance); - - return _linear_atXYZ(fx,fy,fz,c); - } - - Tfloat _linear_atXYZ(const float fx, const float fy=0, const float fz=0, const int c=0) const { - const float - nfx = fx<0?0:(fx>_width - 1?_width - 1:fx), - nfy = fy<0?0:(fy>_height - 1?_height - 1:fy), - nfz = fz<0?0:(fz>_depth - 1?_depth - 1:fz); - const unsigned int - x = (unsigned int)nfx, - y = (unsigned int)nfy, - z = (unsigned int)nfz; - const float - dx = nfx - x, - dy = nfy - y, - dz = nfz - z; - const unsigned int - nx = dx>0?x + 1:x, - ny = dy>0?y + 1:y, - nz = dz>0?z + 1:z; - const Tfloat - Iccc = (Tfloat)(*this)(x,y,z,c), Incc = (Tfloat)(*this)(nx,y,z,c), - Icnc = (Tfloat)(*this)(x,ny,z,c), Innc = (Tfloat)(*this)(nx,ny,z,c), - Iccn = (Tfloat)(*this)(x,y,nz,c), Incn = (Tfloat)(*this)(nx,y,nz,c), - Icnn = (Tfloat)(*this)(x,ny,nz,c), Innn = (Tfloat)(*this)(nx,ny,nz,c); - return Iccc + - dx*(Incc - Iccc + - dy*(Iccc + Innc - Icnc - Incc + - dz*(Iccn + Innn + Icnc + Incc - Icnn - Incn - Iccc - Innc)) + - dz*(Iccc + Incn - Iccn - Incc)) + - dy*(Icnc - Iccc + - dz*(Iccc + Icnn - Iccn - Icnc)) + - dz*(Iccn - Iccc); - } - - //! Return pixel value, using linear interpolation and Dirichlet boundary conditions for all X,Y,Z,C-coordinates. - /** - Similar to linear_atX(float,int,int,int,const T) const, except that the linear interpolation and the - boundary checking are achieved for all X,Y,Z and C-coordinates. - **/ - Tfloat linear_atXYZC(const float fx, const float fy, const float fz, const float fc, const T& out_value) const { - const int - x = (int)fx - (fx>=0?0:1), nx = x + 1, - y = (int)fy - (fy>=0?0:1), ny = y + 1, - z = (int)fz - (fz>=0?0:1), nz = z + 1, - c = (int)fc - (fc>=0?0:1), nc = c + 1; - const float - dx = fx - x, - dy = fy - y, - dz = fz - z, - dc = fc - c; - const Tfloat - Icccc = (Tfloat)atXYZC(x,y,z,c,out_value), Inccc = (Tfloat)atXYZC(nx,y,z,c,out_value), - Icncc = (Tfloat)atXYZC(x,ny,z,c,out_value), Inncc = (Tfloat)atXYZC(nx,ny,z,c,out_value), - Iccnc = (Tfloat)atXYZC(x,y,nz,c,out_value), Incnc = (Tfloat)atXYZC(nx,y,nz,c,out_value), - Icnnc = (Tfloat)atXYZC(x,ny,nz,c,out_value), Innnc = (Tfloat)atXYZC(nx,ny,nz,c,out_value), - Icccn = (Tfloat)atXYZC(x,y,z,nc,out_value), Inccn = (Tfloat)atXYZC(nx,y,z,nc,out_value), - Icncn = (Tfloat)atXYZC(x,ny,z,nc,out_value), Inncn = (Tfloat)atXYZC(nx,ny,z,nc,out_value), - Iccnn = (Tfloat)atXYZC(x,y,nz,nc,out_value), Incnn = (Tfloat)atXYZC(nx,y,nz,nc,out_value), - Icnnn = (Tfloat)atXYZC(x,ny,nz,nc,out_value), Innnn = (Tfloat)atXYZC(nx,ny,nz,nc,out_value); - return Icccc + - dx*(Inccc - Icccc + - dy*(Icccc + Inncc - Icncc - Inccc + - dz*(Iccnc + Innnc + Icncc + Inccc - Icnnc - Incnc - Icccc - Inncc + - dc*(Iccnn + Innnn + Icncn + Inccn + Icnnc + Incnc + Icccc + Inncc - - Icnnn - Incnn - Icccn - Inncn - Iccnc - Innnc - Icncc - Inccc)) + - dc*(Icccn + Inncn + Icncc + Inccc - Icncn - Inccn - Icccc - Inncc)) + - dz*(Icccc + Incnc - Iccnc - Inccc + - dc*(Icccn + Incnn + Iccnc + Inccc - Iccnn - Inccn - Icccc - Incnc)) + - dc*(Icccc + Inccn - Inccc - Icccn)) + - dy*(Icncc - Icccc + - dz*(Icccc + Icnnc - Iccnc - Icncc + - dc*(Icccn + Icnnn + Iccnc + Icncc - Iccnn - Icncn - Icccc - Icnnc)) + - dc*(Icccc + Icncn - Icncc - Icccn)) + - dz*(Iccnc - Icccc + - dc*(Icccc + Iccnn - Iccnc - Icccn)) + - dc*(Icccn -Icccc); - } - - //! Return pixel value, using linear interpolation and Neumann boundary conditions for all X,Y,Z and C-coordinates. - /** - Similar to linear_atX(float,int,int,int) const, except that the linear interpolation and the boundary checking - are achieved for all X,Y,Z and C-coordinates. - \note - - If you know your image instance is \e not empty, you may rather use the slightly faster method - \c _linear_atXYZC(float,float,float,float). - **/ - Tfloat linear_atXYZC(const float fx, const float fy=0, const float fz=0, const float fc=0) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "linear_atXYZC(): Empty instance.", - cimg_instance); - - return _linear_atXYZC(fx,fy,fz,fc); - } - - Tfloat _linear_atXYZC(const float fx, const float fy=0, const float fz=0, const float fc=0) const { - const float - nfx = fx<0?0:(fx>_width - 1?_width - 1:fx), - nfy = fy<0?0:(fy>_height - 1?_height - 1:fy), - nfz = fz<0?0:(fz>_depth - 1?_depth - 1:fz), - nfc = fc<0?0:(fc>_spectrum - 1?_spectrum - 1:fc); - const unsigned int - x = (unsigned int)nfx, - y = (unsigned int)nfy, - z = (unsigned int)nfz, - c = (unsigned int)nfc; - const float - dx = nfx - x, - dy = nfy - y, - dz = nfz - z, - dc = nfc - c; - const unsigned int - nx = dx>0?x + 1:x, - ny = dy>0?y + 1:y, - nz = dz>0?z + 1:z, - nc = dc>0?c + 1:c; - const Tfloat - Icccc = (Tfloat)(*this)(x,y,z,c), Inccc = (Tfloat)(*this)(nx,y,z,c), - Icncc = (Tfloat)(*this)(x,ny,z,c), Inncc = (Tfloat)(*this)(nx,ny,z,c), - Iccnc = (Tfloat)(*this)(x,y,nz,c), Incnc = (Tfloat)(*this)(nx,y,nz,c), - Icnnc = (Tfloat)(*this)(x,ny,nz,c), Innnc = (Tfloat)(*this)(nx,ny,nz,c), - Icccn = (Tfloat)(*this)(x,y,z,nc), Inccn = (Tfloat)(*this)(nx,y,z,nc), - Icncn = (Tfloat)(*this)(x,ny,z,nc), Inncn = (Tfloat)(*this)(nx,ny,z,nc), - Iccnn = (Tfloat)(*this)(x,y,nz,nc), Incnn = (Tfloat)(*this)(nx,y,nz,nc), - Icnnn = (Tfloat)(*this)(x,ny,nz,nc), Innnn = (Tfloat)(*this)(nx,ny,nz,nc); - return Icccc + - dx*(Inccc - Icccc + - dy*(Icccc + Inncc - Icncc - Inccc + - dz*(Iccnc + Innnc + Icncc + Inccc - Icnnc - Incnc - Icccc - Inncc + - dc*(Iccnn + Innnn + Icncn + Inccn + Icnnc + Incnc + Icccc + Inncc - - Icnnn - Incnn - Icccn - Inncn - Iccnc - Innnc - Icncc - Inccc)) + - dc*(Icccn + Inncn + Icncc + Inccc - Icncn - Inccn - Icccc - Inncc)) + - dz*(Icccc + Incnc - Iccnc - Inccc + - dc*(Icccn + Incnn + Iccnc + Inccc - Iccnn - Inccn - Icccc - Incnc)) + - dc*(Icccc + Inccn - Inccc - Icccn)) + - dy*(Icncc - Icccc + - dz*(Icccc + Icnnc - Iccnc - Icncc + - dc*(Icccn + Icnnn + Iccnc + Icncc - Iccnn - Icncn - Icccc - Icnnc)) + - dc*(Icccc + Icncn - Icncc - Icccn)) + - dz*(Iccnc - Icccc + - dc*(Icccc + Iccnn - Iccnc - Icccn)) + - dc*(Icccn - Icccc); - } - - //! Return pixel value, using cubic interpolation and Dirichlet boundary conditions for the X-coordinate. - /** - Return a cubicly-interpolated pixel value of the image instance located at (\c fx,\c y,\c z,\c c), - or a specified default value in case of out-of-bounds access along the X-axis. - The cubic interpolation uses Hermite splines. - \param fx d X-coordinate of the pixel value (float-valued). - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \param out_value Default value returned if \c (\c fx,\c y,\c z,\c c) is outside image bounds. - \note - - Similar to linear_atX(float,int,int,int,const T) const, except that the returned pixel value is - approximated by a \e cubic interpolation along the X-axis. - - The type of the returned pixel value is extended to \c float, if the pixel type \c T is not float-valued. - \warning - - There is \e no boundary checking performed for the Y,Z and C-coordinates, so they must be inside image bounds. - **/ - Tfloat cubic_atX(const float fx, const int y, const int z, const int c, const T& out_value) const { - const int - x = (int)fx - (fx>=0?0:1), px = x - 1, nx = x + 1, ax = x + 2; - const float - dx = fx - x; - const Tfloat - Ip = (Tfloat)atX(px,y,z,c,out_value), Ic = (Tfloat)atX(x,y,z,c,out_value), - In = (Tfloat)atX(nx,y,z,c,out_value), Ia = (Tfloat)atX(ax,y,z,c,out_value); - return Ic + 0.5f*(dx*(-Ip + In) + dx*dx*(2*Ip - 5*Ic + 4*In - Ia) + dx*dx*dx*(-Ip + 3*Ic - 3*In + Ia)); - } - - //! Return damped pixel value, using cubic interpolation and Dirichlet boundary conditions for the X-coordinate. - /** - Similar to cubic_atX(float,int,int,int,const T) const, except that you can specify the authorized minimum - and maximum of the returned value. - **/ - Tfloat cubic_atX(const float fx, const int y, const int z, const int c, const T& out_value, - const Tfloat min_value, const Tfloat max_value) const { - const Tfloat val = cubic_atX(fx,y,z,c,out_value); - return valmax_value?max_value:val; - } - - //! Return pixel value, using cubic interpolation and Neumann boundary conditions for the X-coordinate. - /** - Return a cubicly-interpolated pixel value of the image instance located at (\c fx,\c y,\c z,\c c), - or the value of the nearest pixel location in the image instance in case of out-of-bounds access - along the X-axis. The cubic interpolation uses Hermite splines. - \param fx X-coordinate of the pixel value (float-valued). - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note - - Similar to cubic_atX(float,int,int,int,const T) const, except that the returned pixel value is - approximated by a cubic interpolation along the X-axis. - - If you know your image instance is \e not empty, you may rather use the slightly faster method - \c _cubic_atX(float,int,int,int). - \warning - - There is \e no boundary checking performed for the Y,Z and C-coordinates, so they must be inside image bounds. - **/ - Tfloat cubic_atX(const float fx, const int y=0, const int z=0, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "cubic_atX(): Empty instance.", - cimg_instance); - return _cubic_atX(fx,y,z,c); - } - - Tfloat _cubic_atX(const float fx, const int y=0, const int z=0, const int c=0) const { - const float - nfx = fx<0?0:(fx>_width - 1?_width - 1:fx); - const int - x = (int)nfx; - const float - dx = nfx - x; - const int - px = x - 1<0?0:x - 1, nx = dx>0?x + 1:x, ax = x + 2>=width()?width() - 1:x + 2; - const Tfloat - Ip = (Tfloat)(*this)(px,y,z,c), Ic = (Tfloat)(*this)(x,y,z,c), - In = (Tfloat)(*this)(nx,y,z,c), Ia = (Tfloat)(*this)(ax,y,z,c); - return Ic + 0.5f*(dx*(-Ip + In) + dx*dx*(2*Ip - 5*Ic + 4*In - Ia) + dx*dx*dx*(-Ip + 3*Ic - 3*In + Ia)); - } - - //! Return damped pixel value, using cubic interpolation and Neumann boundary conditions for the X-coordinate. - /** - Similar to cubic_atX(float,int,int,int) const, except that you can specify the authorized minimum and maximum - of the returned value. - **/ - Tfloat cubic_atX(const float fx, const int y, const int z, const int c, - const Tfloat min_value, const Tfloat max_value) const { - const Tfloat val = cubic_atX(fx,y,z,c); - return valmax_value?max_value:val; - } - - Tfloat _cubic_atX(const float fx, const int y, const int z, const int c, - const Tfloat min_value, const Tfloat max_value) const { - const Tfloat val = _cubic_atX(fx,y,z,c); - return valmax_value?max_value:val; - } - - //! Return pixel value, using cubic interpolation and Dirichlet boundary conditions for the X and Y-coordinates. - /** - Similar to cubic_atX(float,int,int,int,const T) const, except that the cubic interpolation and boundary checking - are achieved both for X and Y-coordinates. - **/ - Tfloat cubic_atXY(const float fx, const float fy, const int z, const int c, const T& out_value) const { - const int - x = (int)fx - (fx>=0?0:1), px = x - 1, nx = x + 1, ax = x + 2, - y = (int)fy - (fy>=0?0:1), py = y - 1, ny = y + 1, ay = y + 2; - const float dx = fx - x, dy = fy - y; - const Tfloat - Ipp = (Tfloat)atXY(px,py,z,c,out_value), Icp = (Tfloat)atXY(x,py,z,c,out_value), - Inp = (Tfloat)atXY(nx,py,z,c,out_value), Iap = (Tfloat)atXY(ax,py,z,c,out_value), - Ip = Icp + 0.5f*(dx*(-Ipp + Inp) + dx*dx*(2*Ipp - 5*Icp + 4*Inp - Iap) + dx*dx*dx*(-Ipp + 3*Icp - 3*Inp + Iap)), - Ipc = (Tfloat)atXY(px,y,z,c,out_value), Icc = (Tfloat)atXY(x, y,z,c,out_value), - Inc = (Tfloat)atXY(nx,y,z,c,out_value), Iac = (Tfloat)atXY(ax,y,z,c,out_value), - Ic = Icc + 0.5f*(dx*(-Ipc + Inc) + dx*dx*(2*Ipc - 5*Icc + 4*Inc - Iac) + dx*dx*dx*(-Ipc + 3*Icc - 3*Inc + Iac)), - Ipn = (Tfloat)atXY(px,ny,z,c,out_value), Icn = (Tfloat)atXY(x,ny,z,c,out_value), - Inn = (Tfloat)atXY(nx,ny,z,c,out_value), Ian = (Tfloat)atXY(ax,ny,z,c,out_value), - In = Icn + 0.5f*(dx*(-Ipn + Inn) + dx*dx*(2*Ipn - 5*Icn + 4*Inn - Ian) + dx*dx*dx*(-Ipn + 3*Icn - 3*Inn + Ian)), - Ipa = (Tfloat)atXY(px,ay,z,c,out_value), Ica = (Tfloat)atXY(x,ay,z,c,out_value), - Ina = (Tfloat)atXY(nx,ay,z,c,out_value), Iaa = (Tfloat)atXY(ax,ay,z,c,out_value), - Ia = Ica + 0.5f*(dx*(-Ipa + Ina) + dx*dx*(2*Ipa - 5*Ica + 4*Ina - Iaa) + dx*dx*dx*(-Ipa + 3*Ica - 3*Ina + Iaa)); - return Ic + 0.5f*(dy*(-Ip + In) + dy*dy*(2*Ip - 5*Ic + 4*In - Ia) + dy*dy*dy*(-Ip + 3*Ic - 3*In + Ia)); - } - - //! Return damped pixel value, using cubic interpolation and Dirichlet boundary conditions for the X,Y-coordinates. - /** - Similar to cubic_atXY(float,float,int,int,const T) const, except that you can specify the authorized - minimum and maximum of the returned value. - **/ - Tfloat cubic_atXY(const float fx, const float fy, const int z, const int c, const T& out_value, - const Tfloat min_value, const Tfloat max_value) const { - const Tfloat val = cubic_atXY(fx,fy,z,c,out_value); - return valmax_value?max_value:val; - } - - //! Return pixel value, using cubic interpolation and Neumann boundary conditions for the X and Y-coordinates. - /** - Similar to cubic_atX(float,int,int,int) const, except that the cubic interpolation and boundary checking - are achieved for both X and Y-coordinates. - \note - - If you know your image instance is \e not empty, you may rather use the slightly faster method - \c _cubic_atXY(float,float,int,int). - **/ - Tfloat cubic_atXY(const float fx, const float fy, const int z=0, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "cubic_atXY(): Empty instance.", - cimg_instance); - return _cubic_atXY(fx,fy,z,c); - } - - Tfloat _cubic_atXY(const float fx, const float fy, const int z=0, const int c=0) const { - const float - nfx = fx<0?0:(fx>_width - 1?_width - 1:fx), - nfy = fy<0?0:(fy>_height - 1?_height - 1:fy); - const int x = (int)nfx, y = (int)nfy; - const float dx = nfx - x, dy = nfy - y; - const int - px = x - 1<0?0:x - 1, nx = dx>0?x + 1:x, ax = x + 2>=width()?width() - 1:x + 2, - py = y - 1<0?0:y - 1, ny = dy>0?y + 1:y, ay = y + 2>=height()?height() - 1:y + 2; - const Tfloat - Ipp = (Tfloat)(*this)(px,py,z,c), Icp = (Tfloat)(*this)(x,py,z,c), Inp = (Tfloat)(*this)(nx,py,z,c), - Iap = (Tfloat)(*this)(ax,py,z,c), - Ip = Icp + 0.5f*(dx*(-Ipp + Inp) + dx*dx*(2*Ipp - 5*Icp + 4*Inp - Iap) + dx*dx*dx*(-Ipp + 3*Icp - 3*Inp + Iap)), - Ipc = (Tfloat)(*this)(px,y,z,c), Icc = (Tfloat)(*this)(x, y,z,c), Inc = (Tfloat)(*this)(nx,y,z,c), - Iac = (Tfloat)(*this)(ax,y,z,c), - Ic = Icc + 0.5f*(dx*(-Ipc + Inc) + dx*dx*(2*Ipc - 5*Icc + 4*Inc - Iac) + dx*dx*dx*(-Ipc + 3*Icc - 3*Inc + Iac)), - Ipn = (Tfloat)(*this)(px,ny,z,c), Icn = (Tfloat)(*this)(x,ny,z,c), Inn = (Tfloat)(*this)(nx,ny,z,c), - Ian = (Tfloat)(*this)(ax,ny,z,c), - In = Icn + 0.5f*(dx*(-Ipn + Inn) + dx*dx*(2*Ipn - 5*Icn + 4*Inn - Ian) + dx*dx*dx*(-Ipn + 3*Icn - 3*Inn + Ian)), - Ipa = (Tfloat)(*this)(px,ay,z,c), Ica = (Tfloat)(*this)(x,ay,z,c), Ina = (Tfloat)(*this)(nx,ay,z,c), - Iaa = (Tfloat)(*this)(ax,ay,z,c), - Ia = Ica + 0.5f*(dx*(-Ipa + Ina) + dx*dx*(2*Ipa - 5*Ica + 4*Ina - Iaa) + dx*dx*dx*(-Ipa + 3*Ica - 3*Ina + Iaa)); - return Ic + 0.5f*(dy*(-Ip + In) + dy*dy*(2*Ip - 5*Ic + 4*In - Ia) + dy*dy*dy*(-Ip + 3*Ic - 3*In + Ia)); - } - - //! Return damped pixel value, using cubic interpolation and Neumann boundary conditions for the X,Y-coordinates. - /** - Similar to cubic_atXY(float,float,int,int) const, except that you can specify the authorized minimum and - maximum of the returned value. - **/ - Tfloat cubic_atXY(const float fx, const float fy, const int z, const int c, - const Tfloat min_value, const Tfloat max_value) const { - const Tfloat val = cubic_atXY(fx,fy,z,c); - return valmax_value?max_value:val; - } - - Tfloat _cubic_atXY(const float fx, const float fy, const int z, const int c, - const Tfloat min_value, const Tfloat max_value) const { - const Tfloat val = _cubic_atXY(fx,fy,z,c); - return valmax_value?max_value:val; - } - - //! Return pixel value, using cubic interpolation and Dirichlet boundary conditions for the X,Y and Z-coordinates. - /** - Similar to cubic_atX(float,int,int,int,const T) const, except that the cubic interpolation and boundary checking - are achieved both for X,Y and Z-coordinates. - **/ - Tfloat cubic_atXYZ(const float fx, const float fy, const float fz, const int c, const T& out_value) const { - const int - x = (int)fx - (fx>=0?0:1), px = x - 1, nx = x + 1, ax = x + 2, - y = (int)fy - (fy>=0?0:1), py = y - 1, ny = y + 1, ay = y + 2, - z = (int)fz - (fz>=0?0:1), pz = z - 1, nz = z + 1, az = z + 2; - const float dx = fx - x, dy = fy - y, dz = fz - z; - const Tfloat - Ippp = (Tfloat)atXYZ(px,py,pz,c,out_value), Icpp = (Tfloat)atXYZ(x,py,pz,c,out_value), - Inpp = (Tfloat)atXYZ(nx,py,pz,c,out_value), Iapp = (Tfloat)atXYZ(ax,py,pz,c,out_value), - Ipp = Icpp + 0.5f*(dx*(-Ippp + Inpp) + dx*dx*(2*Ippp - 5*Icpp + 4*Inpp - Iapp) + - dx*dx*dx*(-Ippp + 3*Icpp - 3*Inpp + Iapp)), - Ipcp = (Tfloat)atXYZ(px,y,pz,c,out_value), Iccp = (Tfloat)atXYZ(x, y,pz,c,out_value), - Incp = (Tfloat)atXYZ(nx,y,pz,c,out_value), Iacp = (Tfloat)atXYZ(ax,y,pz,c,out_value), - Icp = Iccp + 0.5f*(dx*(-Ipcp + Incp) + dx*dx*(2*Ipcp - 5*Iccp + 4*Incp - Iacp) + - dx*dx*dx*(-Ipcp + 3*Iccp - 3*Incp + Iacp)), - Ipnp = (Tfloat)atXYZ(px,ny,pz,c,out_value), Icnp = (Tfloat)atXYZ(x,ny,pz,c,out_value), - Innp = (Tfloat)atXYZ(nx,ny,pz,c,out_value), Ianp = (Tfloat)atXYZ(ax,ny,pz,c,out_value), - Inp = Icnp + 0.5f*(dx*(-Ipnp + Innp) + dx*dx*(2*Ipnp - 5*Icnp + 4*Innp - Ianp) + - dx*dx*dx*(-Ipnp + 3*Icnp - 3*Innp + Ianp)), - Ipap = (Tfloat)atXYZ(px,ay,pz,c,out_value), Icap = (Tfloat)atXYZ(x,ay,pz,c,out_value), - Inap = (Tfloat)atXYZ(nx,ay,pz,c,out_value), Iaap = (Tfloat)atXYZ(ax,ay,pz,c,out_value), - Iap = Icap + 0.5f*(dx*(-Ipap + Inap) + dx*dx*(2*Ipap - 5*Icap + 4*Inap - Iaap) + - dx*dx*dx*(-Ipap + 3*Icap - 3*Inap + Iaap)), - Ip = Icp + 0.5f*(dy*(-Ipp + Inp) + dy*dy*(2*Ipp - 5*Icp + 4*Inp - Iap) + - dy*dy*dy*(-Ipp + 3*Icp - 3*Inp + Iap)), - Ippc = (Tfloat)atXYZ(px,py,z,c,out_value), Icpc = (Tfloat)atXYZ(x,py,z,c,out_value), - Inpc = (Tfloat)atXYZ(nx,py,z,c,out_value), Iapc = (Tfloat)atXYZ(ax,py,z,c,out_value), - Ipc = Icpc + 0.5f*(dx*(-Ippc + Inpc) + dx*dx*(2*Ippc - 5*Icpc + 4*Inpc - Iapc) + - dx*dx*dx*(-Ippc + 3*Icpc - 3*Inpc + Iapc)), - Ipcc = (Tfloat)atXYZ(px,y,z,c,out_value), Iccc = (Tfloat)atXYZ(x, y,z,c,out_value), - Incc = (Tfloat)atXYZ(nx,y,z,c,out_value), Iacc = (Tfloat)atXYZ(ax,y,z,c,out_value), - Icc = Iccc + 0.5f*(dx*(-Ipcc + Incc) + dx*dx*(2*Ipcc - 5*Iccc + 4*Incc - Iacc) + - dx*dx*dx*(-Ipcc + 3*Iccc - 3*Incc + Iacc)), - Ipnc = (Tfloat)atXYZ(px,ny,z,c,out_value), Icnc = (Tfloat)atXYZ(x,ny,z,c,out_value), - Innc = (Tfloat)atXYZ(nx,ny,z,c,out_value), Ianc = (Tfloat)atXYZ(ax,ny,z,c,out_value), - Inc = Icnc + 0.5f*(dx*(-Ipnc + Innc) + dx*dx*(2*Ipnc - 5*Icnc + 4*Innc - Ianc) + - dx*dx*dx*(-Ipnc + 3*Icnc - 3*Innc + Ianc)), - Ipac = (Tfloat)atXYZ(px,ay,z,c,out_value), Icac = (Tfloat)atXYZ(x,ay,z,c,out_value), - Inac = (Tfloat)atXYZ(nx,ay,z,c,out_value), Iaac = (Tfloat)atXYZ(ax,ay,z,c,out_value), - Iac = Icac + 0.5f*(dx*(-Ipac + Inac) + dx*dx*(2*Ipac - 5*Icac + 4*Inac - Iaac) + - dx*dx*dx*(-Ipac + 3*Icac - 3*Inac + Iaac)), - Ic = Icc + 0.5f*(dy*(-Ipc + Inc) + dy*dy*(2*Ipc - 5*Icc + 4*Inc - Iac) + - dy*dy*dy*(-Ipc + 3*Icc - 3*Inc + Iac)), - Ippn = (Tfloat)atXYZ(px,py,nz,c,out_value), Icpn = (Tfloat)atXYZ(x,py,nz,c,out_value), - Inpn = (Tfloat)atXYZ(nx,py,nz,c,out_value), Iapn = (Tfloat)atXYZ(ax,py,nz,c,out_value), - Ipn = Icpn + 0.5f*(dx*(-Ippn + Inpn) + dx*dx*(2*Ippn - 5*Icpn + 4*Inpn - Iapn) + - dx*dx*dx*(-Ippn + 3*Icpn - 3*Inpn + Iapn)), - Ipcn = (Tfloat)atXYZ(px,y,nz,c,out_value), Iccn = (Tfloat)atXYZ(x, y,nz,c,out_value), - Incn = (Tfloat)atXYZ(nx,y,nz,c,out_value), Iacn = (Tfloat)atXYZ(ax,y,nz,c,out_value), - Icn = Iccn + 0.5f*(dx*(-Ipcn + Incn) + dx*dx*(2*Ipcn - 5*Iccn + 4*Incn - Iacn) + - dx*dx*dx*(-Ipcn + 3*Iccn - 3*Incn + Iacn)), - Ipnn = (Tfloat)atXYZ(px,ny,nz,c,out_value), Icnn = (Tfloat)atXYZ(x,ny,nz,c,out_value), - Innn = (Tfloat)atXYZ(nx,ny,nz,c,out_value), Iann = (Tfloat)atXYZ(ax,ny,nz,c,out_value), - Inn = Icnn + 0.5f*(dx*(-Ipnn + Innn) + dx*dx*(2*Ipnn - 5*Icnn + 4*Innn - Iann) + - dx*dx*dx*(-Ipnn + 3*Icnn - 3*Innn + Iann)), - Ipan = (Tfloat)atXYZ(px,ay,nz,c,out_value), Ican = (Tfloat)atXYZ(x,ay,nz,c,out_value), - Inan = (Tfloat)atXYZ(nx,ay,nz,c,out_value), Iaan = (Tfloat)atXYZ(ax,ay,nz,c,out_value), - Ian = Ican + 0.5f*(dx*(-Ipan + Inan) + dx*dx*(2*Ipan - 5*Ican + 4*Inan - Iaan) + - dx*dx*dx*(-Ipan + 3*Ican - 3*Inan + Iaan)), - In = Icn + 0.5f*(dy*(-Ipn + Inn) + dy*dy*(2*Ipn - 5*Icn + 4*Inn - Ian) + - dy*dy*dy*(-Ipn + 3*Icn - 3*Inn + Ian)), - Ippa = (Tfloat)atXYZ(px,py,az,c,out_value), Icpa = (Tfloat)atXYZ(x,py,az,c,out_value), - Inpa = (Tfloat)atXYZ(nx,py,az,c,out_value), Iapa = (Tfloat)atXYZ(ax,py,az,c,out_value), - Ipa = Icpa + 0.5f*(dx*(-Ippa + Inpa) + dx*dx*(2*Ippa - 5*Icpa + 4*Inpa - Iapa) + - dx*dx*dx*(-Ippa + 3*Icpa - 3*Inpa + Iapa)), - Ipca = (Tfloat)atXYZ(px,y,az,c,out_value), Icca = (Tfloat)atXYZ(x, y,az,c,out_value), - Inca = (Tfloat)atXYZ(nx,y,az,c,out_value), Iaca = (Tfloat)atXYZ(ax,y,az,c,out_value), - Ica = Icca + 0.5f*(dx*(-Ipca + Inca) + dx*dx*(2*Ipca - 5*Icca + 4*Inca - Iaca) + - dx*dx*dx*(-Ipca + 3*Icca - 3*Inca + Iaca)), - Ipna = (Tfloat)atXYZ(px,ny,az,c,out_value), Icna = (Tfloat)atXYZ(x,ny,az,c,out_value), - Inna = (Tfloat)atXYZ(nx,ny,az,c,out_value), Iana = (Tfloat)atXYZ(ax,ny,az,c,out_value), - Ina = Icna + 0.5f*(dx*(-Ipna + Inna) + dx*dx*(2*Ipna - 5*Icna + 4*Inna - Iana) + - dx*dx*dx*(-Ipna + 3*Icna - 3*Inna + Iana)), - Ipaa = (Tfloat)atXYZ(px,ay,az,c,out_value), Icaa = (Tfloat)atXYZ(x,ay,az,c,out_value), - Inaa = (Tfloat)atXYZ(nx,ay,az,c,out_value), Iaaa = (Tfloat)atXYZ(ax,ay,az,c,out_value), - Iaa = Icaa + 0.5f*(dx*(-Ipaa + Inaa) + dx*dx*(2*Ipaa - 5*Icaa + 4*Inaa - Iaaa) + - dx*dx*dx*(-Ipaa + 3*Icaa - 3*Inaa + Iaaa)), - Ia = Ica + 0.5f*(dy*(-Ipa + Ina) + dy*dy*(2*Ipa - 5*Ica + 4*Ina - Iaa) + - dy*dy*dy*(-Ipa + 3*Ica - 3*Ina + Iaa)); - return Ic + 0.5f*(dz*(-Ip + In) + dz*dz*(2*Ip - 5*Ic + 4*In - Ia) + dz*dz*dz*(-Ip + 3*Ic - 3*In + Ia)); - } - - //! Return damped pixel value, using cubic interpolation and Dirichlet boundary conditions for the XYZ-coordinates. - /** - Similar to cubic_atXYZ(float,float,float,int,const T) const, except that you can specify the authorized - minimum and maximum of the returned value. - **/ - Tfloat cubic_atXYZ(const float fx, const float fy, const float fz, const int c, const T& out_value, - const Tfloat min_value, const Tfloat max_value) const { - const Tfloat val = cubic_atXYZ(fx,fy,fz,c,out_value); - return valmax_value?max_value:val; - } - - //! Return pixel value, using cubic interpolation and Neumann boundary conditions for the X,Y and Z-coordinates. - /** - Similar to cubic_atX(float,int,int,int) const, except that the cubic interpolation and boundary checking - are achieved both for X,Y and Z-coordinates. - \note - - If you know your image instance is \e not empty, you may rather use the slightly faster method - \c _cubic_atXYZ(float,float,float,int). - **/ - Tfloat cubic_atXYZ(const float fx, const float fy, const float fz, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "cubic_atXYZ(): Empty instance.", - cimg_instance); - return _cubic_atXYZ(fx,fy,fz,c); - } - - Tfloat _cubic_atXYZ(const float fx, const float fy, const float fz, const int c=0) const { - const float - nfx = fx<0?0:(fx>_width - 1?_width - 1:fx), - nfy = fy<0?0:(fy>_height - 1?_height - 1:fy), - nfz = fz<0?0:(fz>_depth - 1?_depth - 1:fz); - const int x = (int)nfx, y = (int)nfy, z = (int)nfz; - const float dx = nfx - x, dy = nfy - y, dz = nfz - z; - const int - px = x - 1<0?0:x - 1, nx = dx>0?x + 1:x, ax = x + 2>=width()?width() - 1:x + 2, - py = y - 1<0?0:y - 1, ny = dy>0?y + 1:y, ay = y + 2>=height()?height() - 1:y + 2, - pz = z - 1<0?0:z - 1, nz = dz>0?z + 1:z, az = z + 2>=depth()?depth() - 1:z + 2; - const Tfloat - Ippp = (Tfloat)(*this)(px,py,pz,c), Icpp = (Tfloat)(*this)(x,py,pz,c), - Inpp = (Tfloat)(*this)(nx,py,pz,c), Iapp = (Tfloat)(*this)(ax,py,pz,c), - Ipp = Icpp + 0.5f*(dx*(-Ippp + Inpp) + dx*dx*(2*Ippp - 5*Icpp + 4*Inpp - Iapp) + - dx*dx*dx*(-Ippp + 3*Icpp - 3*Inpp + Iapp)), - Ipcp = (Tfloat)(*this)(px,y,pz,c), Iccp = (Tfloat)(*this)(x, y,pz,c), - Incp = (Tfloat)(*this)(nx,y,pz,c), Iacp = (Tfloat)(*this)(ax,y,pz,c), - Icp = Iccp + 0.5f*(dx*(-Ipcp + Incp) + dx*dx*(2*Ipcp - 5*Iccp + 4*Incp - Iacp) + - dx*dx*dx*(-Ipcp + 3*Iccp - 3*Incp + Iacp)), - Ipnp = (Tfloat)(*this)(px,ny,pz,c), Icnp = (Tfloat)(*this)(x,ny,pz,c), - Innp = (Tfloat)(*this)(nx,ny,pz,c), Ianp = (Tfloat)(*this)(ax,ny,pz,c), - Inp = Icnp + 0.5f*(dx*(-Ipnp + Innp) + dx*dx*(2*Ipnp - 5*Icnp + 4*Innp - Ianp) + - dx*dx*dx*(-Ipnp + 3*Icnp - 3*Innp + Ianp)), - Ipap = (Tfloat)(*this)(px,ay,pz,c), Icap = (Tfloat)(*this)(x,ay,pz,c), - Inap = (Tfloat)(*this)(nx,ay,pz,c), Iaap = (Tfloat)(*this)(ax,ay,pz,c), - Iap = Icap + 0.5f*(dx*(-Ipap + Inap) + dx*dx*(2*Ipap - 5*Icap + 4*Inap - Iaap) + - dx*dx*dx*(-Ipap + 3*Icap - 3*Inap + Iaap)), - Ip = Icp + 0.5f*(dy*(-Ipp + Inp) + dy*dy*(2*Ipp - 5*Icp + 4*Inp - Iap) + - dy*dy*dy*(-Ipp + 3*Icp - 3*Inp + Iap)), - Ippc = (Tfloat)(*this)(px,py,z,c), Icpc = (Tfloat)(*this)(x,py,z,c), - Inpc = (Tfloat)(*this)(nx,py,z,c), Iapc = (Tfloat)(*this)(ax,py,z,c), - Ipc = Icpc + 0.5f*(dx*(-Ippc + Inpc) + dx*dx*(2*Ippc - 5*Icpc + 4*Inpc - Iapc) + - dx*dx*dx*(-Ippc + 3*Icpc - 3*Inpc + Iapc)), - Ipcc = (Tfloat)(*this)(px,y,z,c), Iccc = (Tfloat)(*this)(x, y,z,c), - Incc = (Tfloat)(*this)(nx,y,z,c), Iacc = (Tfloat)(*this)(ax,y,z,c), - Icc = Iccc + 0.5f*(dx*(-Ipcc + Incc) + dx*dx*(2*Ipcc - 5*Iccc + 4*Incc - Iacc) + - dx*dx*dx*(-Ipcc + 3*Iccc - 3*Incc + Iacc)), - Ipnc = (Tfloat)(*this)(px,ny,z,c), Icnc = (Tfloat)(*this)(x,ny,z,c), - Innc = (Tfloat)(*this)(nx,ny,z,c), Ianc = (Tfloat)(*this)(ax,ny,z,c), - Inc = Icnc + 0.5f*(dx*(-Ipnc + Innc) + dx*dx*(2*Ipnc - 5*Icnc + 4*Innc - Ianc) + - dx*dx*dx*(-Ipnc + 3*Icnc - 3*Innc + Ianc)), - Ipac = (Tfloat)(*this)(px,ay,z,c), Icac = (Tfloat)(*this)(x,ay,z,c), - Inac = (Tfloat)(*this)(nx,ay,z,c), Iaac = (Tfloat)(*this)(ax,ay,z,c), - Iac = Icac + 0.5f*(dx*(-Ipac + Inac) + dx*dx*(2*Ipac - 5*Icac + 4*Inac - Iaac) + - dx*dx*dx*(-Ipac + 3*Icac - 3*Inac + Iaac)), - Ic = Icc + 0.5f*(dy*(-Ipc + Inc) + dy*dy*(2*Ipc - 5*Icc + 4*Inc - Iac) + - dy*dy*dy*(-Ipc + 3*Icc - 3*Inc + Iac)), - Ippn = (Tfloat)(*this)(px,py,nz,c), Icpn = (Tfloat)(*this)(x,py,nz,c), - Inpn = (Tfloat)(*this)(nx,py,nz,c), Iapn = (Tfloat)(*this)(ax,py,nz,c), - Ipn = Icpn + 0.5f*(dx*(-Ippn + Inpn) + dx*dx*(2*Ippn - 5*Icpn + 4*Inpn - Iapn) + - dx*dx*dx*(-Ippn + 3*Icpn - 3*Inpn + Iapn)), - Ipcn = (Tfloat)(*this)(px,y,nz,c), Iccn = (Tfloat)(*this)(x, y,nz,c), - Incn = (Tfloat)(*this)(nx,y,nz,c), Iacn = (Tfloat)(*this)(ax,y,nz,c), - Icn = Iccn + 0.5f*(dx*(-Ipcn + Incn) + dx*dx*(2*Ipcn - 5*Iccn + 4*Incn - Iacn) + - dx*dx*dx*(-Ipcn + 3*Iccn - 3*Incn + Iacn)), - Ipnn = (Tfloat)(*this)(px,ny,nz,c), Icnn = (Tfloat)(*this)(x,ny,nz,c), - Innn = (Tfloat)(*this)(nx,ny,nz,c), Iann = (Tfloat)(*this)(ax,ny,nz,c), - Inn = Icnn + 0.5f*(dx*(-Ipnn + Innn) + dx*dx*(2*Ipnn - 5*Icnn + 4*Innn - Iann) + - dx*dx*dx*(-Ipnn + 3*Icnn - 3*Innn + Iann)), - Ipan = (Tfloat)(*this)(px,ay,nz,c), Ican = (Tfloat)(*this)(x,ay,nz,c), - Inan = (Tfloat)(*this)(nx,ay,nz,c), Iaan = (Tfloat)(*this)(ax,ay,nz,c), - Ian = Ican + 0.5f*(dx*(-Ipan + Inan) + dx*dx*(2*Ipan - 5*Ican + 4*Inan - Iaan) + - dx*dx*dx*(-Ipan + 3*Ican - 3*Inan + Iaan)), - In = Icn + 0.5f*(dy*(-Ipn + Inn) + dy*dy*(2*Ipn - 5*Icn + 4*Inn - Ian) + - dy*dy*dy*(-Ipn + 3*Icn - 3*Inn + Ian)), - Ippa = (Tfloat)(*this)(px,py,az,c), Icpa = (Tfloat)(*this)(x,py,az,c), - Inpa = (Tfloat)(*this)(nx,py,az,c), Iapa = (Tfloat)(*this)(ax,py,az,c), - Ipa = Icpa + 0.5f*(dx*(-Ippa + Inpa) + dx*dx*(2*Ippa - 5*Icpa + 4*Inpa - Iapa) + - dx*dx*dx*(-Ippa + 3*Icpa - 3*Inpa + Iapa)), - Ipca = (Tfloat)(*this)(px,y,az,c), Icca = (Tfloat)(*this)(x, y,az,c), - Inca = (Tfloat)(*this)(nx,y,az,c), Iaca = (Tfloat)(*this)(ax,y,az,c), - Ica = Icca + 0.5f*(dx*(-Ipca + Inca) + dx*dx*(2*Ipca - 5*Icca + 4*Inca - Iaca) + - dx*dx*dx*(-Ipca + 3*Icca - 3*Inca + Iaca)), - Ipna = (Tfloat)(*this)(px,ny,az,c), Icna = (Tfloat)(*this)(x,ny,az,c), - Inna = (Tfloat)(*this)(nx,ny,az,c), Iana = (Tfloat)(*this)(ax,ny,az,c), - Ina = Icna + 0.5f*(dx*(-Ipna + Inna) + dx*dx*(2*Ipna - 5*Icna + 4*Inna - Iana) + - dx*dx*dx*(-Ipna + 3*Icna - 3*Inna + Iana)), - Ipaa = (Tfloat)(*this)(px,ay,az,c), Icaa = (Tfloat)(*this)(x,ay,az,c), - Inaa = (Tfloat)(*this)(nx,ay,az,c), Iaaa = (Tfloat)(*this)(ax,ay,az,c), - Iaa = Icaa + 0.5f*(dx*(-Ipaa + Inaa) + dx*dx*(2*Ipaa - 5*Icaa + 4*Inaa - Iaaa) + - dx*dx*dx*(-Ipaa + 3*Icaa - 3*Inaa + Iaaa)), - Ia = Ica + 0.5f*(dy*(-Ipa + Ina) + dy*dy*(2*Ipa - 5*Ica + 4*Ina - Iaa) + - dy*dy*dy*(-Ipa + 3*Ica - 3*Ina + Iaa)); - return Ic + 0.5f*(dz*(-Ip + In) + dz*dz*(2*Ip - 5*Ic + 4*In - Ia) + dz*dz*dz*(-Ip + 3*Ic - 3*In + Ia)); - } - - //! Return damped pixel value, using cubic interpolation and Neumann boundary conditions for the XYZ-coordinates. - /** - Similar to cubic_atXYZ(float,float,float,int) const, except that you can specify the authorized minimum and - maximum of the returned value. - **/ - Tfloat cubic_atXYZ(const float fx, const float fy, const float fz, const int c, - const Tfloat min_value, const Tfloat max_value) const { - const Tfloat val = cubic_atXYZ(fx,fy,fz,c); - return valmax_value?max_value:val; - } - - Tfloat _cubic_atXYZ(const float fx, const float fy, const float fz, const int c, - const Tfloat min_value, const Tfloat max_value) const { - const Tfloat val = _cubic_atXYZ(fx,fy,fz,c); - return valmax_value?max_value:val; - } - - //! Set pixel value, using linear interpolation for the X-coordinates. - /** - Set pixel value at specified coordinates (\c fx,\c y,\c z,\c c) in the image instance, in a way that - the value is spread amongst several neighbors if the pixel coordinates are float-valued. - \param value Pixel value to set. - \param fx X-coordinate of the pixel value (float-valued). - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \param is_added Tells if the pixel value is added to (\c true), or simply replace (\c false) the current image - pixel(s). - \return A reference to the current image instance. - \note - - Calling this method with out-of-bounds coordinates does nothing. - **/ - CImg& set_linear_atX(const T& value, const float fx, const int y=0, const int z=0, const int c=0, - const bool is_added=false) { - const int - x = (int)fx - (fx>=0?0:1), nx = x + 1; - const float - dx = fx - x; - if (y>=0 && y=0 && z=0 && c=0 && x=0 && nx& set_linear_atXY(const T& value, const float fx, const float fy=0, const int z=0, const int c=0, - const bool is_added=false) { - const int - x = (int)fx - (fx>=0?0:1), nx = x + 1, - y = (int)fy - (fy>=0?0:1), ny = y + 1; - const float - dx = fx - x, - dy = fy - y; - if (z>=0 && z=0 && c=0 && y=0 && x=0 && nx=0 && ny=0 && x=0 && nx& set_linear_atXYZ(const T& value, const float fx, const float fy=0, const float fz=0, const int c=0, - const bool is_added=false) { - const int - x = (int)fx - (fx>=0?0:1), nx = x + 1, - y = (int)fy - (fy>=0?0:1), ny = y + 1, - z = (int)fz - (fz>=0?0:1), nz = z + 1; - const float - dx = fx - x, - dy = fy - y, - dz = fz - z; - if (c>=0 && c=0 && z=0 && y=0 && x=0 && nx=0 && ny=0 && x=0 && nx=0 && nz=0 && y=0 && x=0 && nx=0 && ny=0 && x=0 && nx image whose buffer data() is a \c char* string describing the list of all pixel values - of the image instance (written in base 10), separated by specified \c separator character. - \param separator A \c char character which specifies the separator between values in the returned C-string. - \param max_size Maximum size of the returned image. - \param format For float-values, tell the printf format used to generate the ascii representation of the numbers. - (or \c 0 for default representation). - \note - - The returned image is never empty. - - For an empty image instance, the returned string is "". - - If \c max_size is equal to \c 0, there are no limits on the size of the returned string. - - Otherwise, if the maximum number of string characters is exceeded, the value string is cut off - and terminated by character \c '\0'. In that case, the returned image size is max_size + 1. - **/ - CImg value_string(const char separator=',', const unsigned int max_size=0, - const char *const format=0) const { - if (is_empty()) return CImg::string(""); - CImgList items; - CImg s_item(256); *s_item = 0; - const T *ptrs = _data; - unsigned int string_size = 0; - const char *const _format = format?format:cimg::type::format(); - - for (unsigned long off = 0, siz = (unsigned int)size(); off::format(*(ptrs++))); - CImg item(s_item._data,printed_size); - item[printed_size - 1] = separator; - item.move_to(items); - if (max_size) string_size+=printed_size; - } - CImg res; - (items>'x').move_to(res); - if (max_size && res._width>max_size) res.crop(0,max_size); - res.back() = 0; - return res; - } - - //@} - //------------------------------------- - // - //! \name Instance Checking - //@{ - //------------------------------------- - - //! Test shared state of the pixel buffer. - /** - Return \c true if image instance has a shared memory buffer, and \c false otherwise. - \note - - A shared image do not own his pixel buffer data() and will not deallocate it on destruction. - - Most of the time, a \c CImg image instance will \e not be shared. - - A shared image can only be obtained by a limited set of constructors and methods (see list below). - **/ - bool is_shared() const { - return _is_shared; - } - - //! Test if image instance is empty. - /** - Return \c true, if image instance is empty, i.e. does \e not contain any pixel values, has dimensions - \c 0 x \c 0 x \c 0 x \c 0 and a pixel buffer pointer set to \c 0 (null pointer), and \c false otherwise. - **/ - bool is_empty() const { - return !(_data && _width && _height && _depth && _spectrum); - } - - //! Test if image instance contains a 'inf' value. - /** - Return \c true, if image instance contains a 'inf' value, and \c false otherwise. - **/ - bool is_inf() const { - if (cimg::type::is_float()) cimg_for(*this,p,T) if (cimg::type::is_inf((float)*p)) return true; - return false; - } - - //! Test if image instance contains a NaN value. - /** - Return \c true, if image instance contains a NaN value, and \c false otherwise. - **/ - bool is_nan() const { - if (cimg::type::is_float()) cimg_for(*this,p,T) if (cimg::type::is_nan((float)*p)) return true; - return false; - } - - //! Test if image width is equal to specified value. - bool is_sameX(const unsigned int size_x) const { - return _width==size_x; - } - - //! Test if image width is equal to specified value. - template - bool is_sameX(const CImg& img) const { - return is_sameX(img._width); - } - - //! Test if image width is equal to specified value. - bool is_sameX(const CImgDisplay& disp) const { - return is_sameX(disp._width); - } - - //! Test if image height is equal to specified value. - bool is_sameY(const unsigned int size_y) const { - return _height==size_y; - } - - //! Test if image height is equal to specified value. - template - bool is_sameY(const CImg& img) const { - return is_sameY(img._height); - } - - //! Test if image height is equal to specified value. - bool is_sameY(const CImgDisplay& disp) const { - return is_sameY(disp._height); - } - - //! Test if image depth is equal to specified value. - bool is_sameZ(const unsigned int size_z) const { - return _depth==size_z; - } - - //! Test if image depth is equal to specified value. - template - bool is_sameZ(const CImg& img) const { - return is_sameZ(img._depth); - } - - //! Test if image spectrum is equal to specified value. - bool is_sameC(const unsigned int size_c) const { - return _spectrum==size_c; - } - - //! Test if image spectrum is equal to specified value. - template - bool is_sameC(const CImg& img) const { - return is_sameC(img._spectrum); - } - - //! Test if image width and height are equal to specified values. - /** - Test if is_sameX(unsigned int) const and is_sameY(unsigned int) const are both verified. - **/ - bool is_sameXY(const unsigned int size_x, const unsigned int size_y) const { - return _width==size_x && _height==size_y; - } - - //! Test if image width and height are the same as that of another image. - /** - Test if is_sameX(const CImg&) const and is_sameY(const CImg&) const are both verified. - **/ - template - bool is_sameXY(const CImg& img) const { - return is_sameXY(img._width,img._height); - } - - //! Test if image width and height are the same as that of an existing display window. - /** - Test if is_sameX(const CImgDisplay&) const and is_sameY(const CImgDisplay&) const are both verified. - **/ - bool is_sameXY(const CImgDisplay& disp) const { - return is_sameXY(disp._width,disp._height); - } - - //! Test if image width and depth are equal to specified values. - /** - Test if is_sameX(unsigned int) const and is_sameZ(unsigned int) const are both verified. - **/ - bool is_sameXZ(const unsigned int size_x, const unsigned int size_z) const { - return _width==size_x && _depth==size_z; - } - - //! Test if image width and depth are the same as that of another image. - /** - Test if is_sameX(const CImg&) const and is_sameZ(const CImg&) const are both verified. - **/ - template - bool is_sameXZ(const CImg& img) const { - return is_sameXZ(img._width,img._depth); - } - - //! Test if image width and spectrum are equal to specified values. - /** - Test if is_sameX(unsigned int) const and is_sameC(unsigned int) const are both verified. - **/ - bool is_sameXC(const unsigned int size_x, const unsigned int size_c) const { - return _width==size_x && _spectrum==size_c; - } - - //! Test if image width and spectrum are the same as that of another image. - /** - Test if is_sameX(const CImg&) const and is_sameC(const CImg&) const are both verified. - **/ - template - bool is_sameXC(const CImg& img) const { - return is_sameXC(img._width,img._spectrum); - } - - //! Test if image height and depth are equal to specified values. - /** - Test if is_sameY(unsigned int) const and is_sameZ(unsigned int) const are both verified. - **/ - bool is_sameYZ(const unsigned int size_y, const unsigned int size_z) const { - return _height==size_y && _depth==size_z; - } - - //! Test if image height and depth are the same as that of another image. - /** - Test if is_sameY(const CImg&) const and is_sameZ(const CImg&) const are both verified. - **/ - template - bool is_sameYZ(const CImg& img) const { - return is_sameYZ(img._height,img._depth); - } - - //! Test if image height and spectrum are equal to specified values. - /** - Test if is_sameY(unsigned int) const and is_sameC(unsigned int) const are both verified. - **/ - bool is_sameYC(const unsigned int size_y, const unsigned int size_c) const { - return _height==size_y && _spectrum==size_c; - } - - //! Test if image height and spectrum are the same as that of another image. - /** - Test if is_sameY(const CImg&) const and is_sameC(const CImg&) const are both verified. - **/ - template - bool is_sameYC(const CImg& img) const { - return is_sameYC(img._height,img._spectrum); - } - - //! Test if image depth and spectrum are equal to specified values. - /** - Test if is_sameZ(unsigned int) const and is_sameC(unsigned int) const are both verified. - **/ - bool is_sameZC(const unsigned int size_z, const unsigned int size_c) const { - return _depth==size_z && _spectrum==size_c; - } - - //! Test if image depth and spectrum are the same as that of another image. - /** - Test if is_sameZ(const CImg&) const and is_sameC(const CImg&) const are both verified. - **/ - template - bool is_sameZC(const CImg& img) const { - return is_sameZC(img._depth,img._spectrum); - } - - //! Test if image width, height and depth are equal to specified values. - /** - Test if is_sameXY(unsigned int,unsigned int) const and is_sameZ(unsigned int) const are both verified. - **/ - bool is_sameXYZ(const unsigned int size_x, const unsigned int size_y, const unsigned int size_z) const { - return is_sameXY(size_x,size_y) && _depth==size_z; - } - - //! Test if image width, height and depth are the same as that of another image. - /** - Test if is_sameXY(const CImg&) const and is_sameZ(const CImg&) const are both verified. - **/ - template - bool is_sameXYZ(const CImg& img) const { - return is_sameXYZ(img._width,img._height,img._depth); - } - - //! Test if image width, height and spectrum are equal to specified values. - /** - Test if is_sameXY(unsigned int,unsigned int) const and is_sameC(unsigned int) const are both verified. - **/ - bool is_sameXYC(const unsigned int size_x, const unsigned int size_y, const unsigned int size_c) const { - return is_sameXY(size_x,size_y) && _spectrum==size_c; - } - - //! Test if image width, height and spectrum are the same as that of another image. - /** - Test if is_sameXY(const CImg&) const and is_sameC(const CImg&) const are both verified. - **/ - template - bool is_sameXYC(const CImg& img) const { - return is_sameXYC(img._width,img._height,img._spectrum); - } - - //! Test if image width, depth and spectrum are equal to specified values. - /** - Test if is_sameXZ(unsigned int,unsigned int) const and is_sameC(unsigned int) const are both verified. - **/ - bool is_sameXZC(const unsigned int size_x, const unsigned int size_z, const unsigned int size_c) const { - return is_sameXZ(size_x,size_z) && _spectrum==size_c; - } - - //! Test if image width, depth and spectrum are the same as that of another image. - /** - Test if is_sameXZ(const CImg&) const and is_sameC(const CImg&) const are both verified. - **/ - template - bool is_sameXZC(const CImg& img) const { - return is_sameXZC(img._width,img._depth,img._spectrum); - } - - //! Test if image height, depth and spectrum are equal to specified values. - /** - Test if is_sameYZ(unsigned int,unsigned int) const and is_sameC(unsigned int) const are both verified. - **/ - bool is_sameYZC(const unsigned int size_y, const unsigned int size_z, const unsigned int size_c) const { - return is_sameYZ(size_y,size_z) && _spectrum==size_c; - } - - //! Test if image height, depth and spectrum are the same as that of another image. - /** - Test if is_sameYZ(const CImg&) const and is_sameC(const CImg&) const are both verified. - **/ - template - bool is_sameYZC(const CImg& img) const { - return is_sameYZC(img._height,img._depth,img._spectrum); - } - - //! Test if image width, height, depth and spectrum are equal to specified values. - /** - Test if is_sameXYZ(unsigned int,unsigned int,unsigned int) const and is_sameC(unsigned int) const are both - verified. - **/ - bool is_sameXYZC(const unsigned int size_x, const unsigned int size_y, - const unsigned int size_z, const unsigned int size_c) const { - return is_sameXYZ(size_x,size_y,size_z) && _spectrum==size_c; - } - - //! Test if image width, height, depth and spectrum are the same as that of another image. - /** - Test if is_sameXYZ(const CImg&) const and is_sameC(const CImg&) const are both verified. - **/ - template - bool is_sameXYZC(const CImg& img) const { - return is_sameXYZC(img._width,img._height,img._depth,img._spectrum); - } - - //! Test if specified coordinates are inside image bounds. - /** - Return \c true if pixel located at (\c x,\c y,\c z,\c c) is inside bounds of the image instance, - and \c false otherwise. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note - - Return \c true only if all these conditions are verified: - - The image instance is \e not empty. - - 0<=x<=\ref width() - 1. - - 0<=y<=\ref height() - 1. - - 0<=z<=\ref depth() - 1. - - 0<=c<=\ref spectrum() - 1. - **/ - bool containsXYZC(const int x, const int y=0, const int z=0, const int c=0) const { - return !is_empty() && x>=0 && x=0 && y=0 && z=0 && c img(100,100,1,3); // Construct a 100x100 RGB color image. - const unsigned long offset = 1249; // Offset to the pixel (49,12,0,0). - unsigned int x,y,z,c; - if (img.contains(img[offset],x,y,z,c)) { // Convert offset to (x,y,z,c) coordinates. - std::printf("Offset %u refers to pixel located at (%u,%u,%u,%u).\n", - offset,x,y,z,c); - } - \endcode - **/ - template - bool contains(const T& pixel, t& x, t& y, t& z, t& c) const { - const unsigned long wh = (unsigned long)_width*_height, whd = wh*_depth, siz = whd*_spectrum; - const T *const ppixel = &pixel; - if (is_empty() || ppixel<_data || ppixel>=_data + siz) return false; - unsigned long off = (unsigned long)(ppixel - _data); - const unsigned long nc = off/whd; - off%=whd; - const unsigned long nz = off/wh; - off%=wh; - const unsigned long ny = off/_width, nx = off%_width; - x = (t)nx; y = (t)ny; z = (t)nz; c = (t)nc; - return true; - } - - //! Test if pixel value is inside image bounds and get its X,Y and Z-coordinates. - /** - Similar to contains(const T&,t&,t&,t&,t&) const, except that only the X,Y and Z-coordinates are set. - **/ - template - bool contains(const T& pixel, t& x, t& y, t& z) const { - const unsigned long wh = (unsigned long)_width*_height, whd = wh*_depth, siz = whd*_spectrum; - const T *const ppixel = &pixel; - if (is_empty() || ppixel<_data || ppixel>=_data + siz) return false; - unsigned long off = ((unsigned long)(ppixel - _data))%whd; - const unsigned long nz = off/wh; - off%=wh; - const unsigned long ny = off/_width, nx = off%_width; - x = (t)nx; y = (t)ny; z = (t)nz; - return true; - } - - //! Test if pixel value is inside image bounds and get its X and Y-coordinates. - /** - Similar to contains(const T&,t&,t&,t&,t&) const, except that only the X and Y-coordinates are set. - **/ - template - bool contains(const T& pixel, t& x, t& y) const { - const unsigned long wh = (unsigned long)_width*_height, siz = wh*_depth*_spectrum; - const T *const ppixel = &pixel; - if (is_empty() || ppixel<_data || ppixel>=_data + siz) return false; - unsigned long off = ((unsigned int)(ppixel - _data))%wh; - const unsigned long ny = off/_width, nx = off%_width; - x = (t)nx; y = (t)ny; - return true; - } - - //! Test if pixel value is inside image bounds and get its X-coordinate. - /** - Similar to contains(const T&,t&,t&,t&,t&) const, except that only the X-coordinate is set. - **/ - template - bool contains(const T& pixel, t& x) const { - const T *const ppixel = &pixel; - if (is_empty() || ppixel<_data || ppixel>=_data + size()) return false; - x = (t)(((unsigned long)(ppixel - _data))%_width); - return true; - } - - //! Test if pixel value is inside image bounds. - /** - Similar to contains(const T&,t&,t&,t&,t&) const, except that no pixel coordinates are set. - **/ - bool contains(const T& pixel) const { - const T *const ppixel = &pixel; - return !is_empty() && ppixel>=_data && ppixel<_data + size(); - } - - //! Test if pixel buffers of instance and input images overlap. - /** - Return \c true, if pixel buffers attached to image instance and input image \c img overlap, - and \c false otherwise. - \param img Input image to compare with. - \note - - Buffer overlapping may happen when manipulating \e shared images. - - If two image buffers overlap, operating on one of the image will probably modify the other one. - - Most of the time, \c CImg instances are \e non-shared and do not overlap between each others. - \par Example - \code - const CImg - img1("reference.jpg"), // Load RGB-color image. - img2 = img1.get_shared_channel(1); // Get shared version of the green channel. - if (img1.is_overlapped(img2)) { // Test succeeds, 'img1' and 'img2' overlaps. - std::printf("Buffers overlap!\n"); - } - \endcode - **/ - template - bool is_overlapped(const CImg& img) const { - const unsigned long csiz = size(), isiz = img.size(); - return !((void*)(_data + csiz)<=(void*)img._data || (void*)_data>=(void*)(img._data + isiz)); - } - - //! Test if the set {\c *this,\c primitives,\c colors,\c opacities} defines a valid 3d object. - /** - Return \c true is the 3d object represented by the set {\c *this,\c primitives,\c colors,\c opacities} defines a - valid 3d object, and \c false otherwise. The vertex coordinates are defined by the instance image. - \param primitives List of primitives of the 3d object. - \param colors List of colors of the 3d object. - \param opacities List (or image) of opacities of the 3d object. - \param full_check Tells if full checking of the 3d object must be performed. - \param[out] error_message C-string to contain the error message, if the test does not succeed. - \note - - Set \c full_checking to \c false to speed-up the 3d object checking. In this case, only the size of - each 3d object component is checked. - - Size of the string \c error_message should be at least 128-bytes long, to be able to contain the error message. - **/ - template - bool is_object3d(const CImgList& primitives, - const CImgList& colors, - const to& opacities, - const bool full_check=true, - char *const error_message=0) const { - if (error_message) *error_message = 0; - - // Check consistency for the particular case of an empty 3d object. - if (is_empty()) { - if (primitives || colors || opacities) { - if (error_message) cimg_sprintf(error_message, - "3d object (%u,%u) defines no vertices but %u primitives, " - "%u colors and %lu opacities", - _width,primitives._width,primitives._width, - colors._width,(unsigned long)opacities.size()); - return false; - } - return true; - } - - // Check consistency of vertices. - if (_height!=3 || _depth>1 || _spectrum>1) { // Check vertices dimensions. - if (error_message) cimg_sprintf(error_message, - "3d object (%u,%u) has invalid vertex dimensions (%u,%u,%u,%u)", - _width,primitives._width,_width,_height,_depth,_spectrum); - return false; - } - if (colors._width>primitives._width + 1) { - if (error_message) cimg_sprintf(error_message, - "3d object (%u,%u) defines %u colors", - _width,primitives._width,colors._width); - return false; - } - if (opacities.size()>primitives._width) { - if (error_message) cimg_sprintf(error_message, - "3d object (%u,%u) defines %lu opacities", - _width,primitives._width,(unsigned long)opacities.size()); - return false; - } - if (!full_check) return true; - - // Check consistency of primitives. - cimglist_for(primitives,l) { - const CImg& primitive = primitives[l]; - const unsigned long psiz = primitive.size(); - switch (psiz) { - case 1 : { // Point. - const unsigned int i0 = (unsigned int)primitive(0); - if (i0>=_width) { - if (error_message) cimg_sprintf(error_message, - "3d object (%u,%u) refers to invalid vertex indice %u in " - "point primitive [%u]", - _width,primitives._width,i0,l); - return false; - } - } break; - case 5 : { // Sphere. - const unsigned int - i0 = (unsigned int)primitive(0), - i1 = (unsigned int)primitive(1); - if (i0>=_width || i1>=_width) { - if (error_message) cimg_sprintf(error_message, - "3d object (%u,%u) refers to invalid vertex indices (%u,%u) in " - "sphere primitive [%u]", - _width,primitives._width,i0,i1,l); - return false; - } - } break; - case 2 : // Segment. - case 6 : { - const unsigned int - i0 = (unsigned int)primitive(0), - i1 = (unsigned int)primitive(1); - if (i0>=_width || i1>=_width) { - if (error_message) cimg_sprintf(error_message, - "3d object (%u,%u) refers to invalid vertex indices (%u,%u) in " - "segment primitive [%u]", - _width,primitives._width,i0,i1,l); - return false; - } - } break; - case 3 : // Triangle. - case 9 : { - const unsigned int - i0 = (unsigned int)primitive(0), - i1 = (unsigned int)primitive(1), - i2 = (unsigned int)primitive(2); - if (i0>=_width || i1>=_width || i2>=_width) { - if (error_message) cimg_sprintf(error_message, - "3d object (%u,%u) refers to invalid vertex indices (%u,%u,%u) in " - "triangle primitive [%u]", - _width,primitives._width,i0,i1,i2,l); - return false; - } - } break; - case 4 : // Quadrangle. - case 12 : { - const unsigned int - i0 = (unsigned int)primitive(0), - i1 = (unsigned int)primitive(1), - i2 = (unsigned int)primitive(2), - i3 = (unsigned int)primitive(3); - if (i0>=_width || i1>=_width || i2>=_width || i3>=_width) { - if (error_message) cimg_sprintf(error_message, - "3d object (%u,%u) refers to invalid vertex indices (%u,%u,%u,%u) in " - "quadrangle primitive [%u]", - _width,primitives._width,i0,i1,i2,i3,l); - return false; - } - } break; - default : - if (error_message) cimg_sprintf(error_message, - "3d object (%u,%u) defines an invalid primitive [%u] of size %u", - _width,primitives._width,l,(unsigned int)psiz); - return false; - } - } - - // Check consistency of colors. - cimglist_for(colors,c) { - const CImg& color = colors[c]; - if (!color) { - if (error_message) cimg_sprintf(error_message, - "3d object (%u,%u) defines no color for primitive [%u]", - _width,primitives._width,c); - return false; - } - } - - // Check consistency of light texture. - if (colors._width>primitives._width) { - const CImg &light = colors.back(); - if (!light || light._depth>1) { - if (error_message) cimg_sprintf(error_message, - "3d object (%u,%u) defines an invalid light texture (%u,%u,%u,%u)", - _width,primitives._width,light._width, - light._height,light._depth,light._spectrum); - return false; - } - } - - return true; - } - - //! Test if image instance represents a valid serialization of a 3d object. - /** - Return \c true if the image instance represents a valid serialization of a 3d object, and \c false otherwise. - \param full_check Tells if full checking of the instance must be performed. - \param[out] error_message C-string to contain the error message, if the test does not succeed. - \note - - Set \c full_check to \c false to speed-up the 3d object checking. In this case, only the size of - each 3d object component is checked. - - Size of the string \c error_message should be at least 128-bytes long, to be able to contain the error message. - **/ - bool is_CImg3d(const bool full_check=true, char *const error_message=0) const { - if (error_message) *error_message = 0; - - // Check instance dimension and header. - if (_width!=1 || _height<8 || _depth!=1 || _spectrum!=1) { - if (error_message) cimg_sprintf(error_message, - "CImg3d has invalid dimensions (%u,%u,%u,%u)", - _width,_height,_depth,_spectrum); - return false; - } - const T *ptrs = _data, *const ptre = end(); - if (!_is_CImg3d(*(ptrs++),'C') || !_is_CImg3d(*(ptrs++),'I') || !_is_CImg3d(*(ptrs++),'m') || - !_is_CImg3d(*(ptrs++),'g') || !_is_CImg3d(*(ptrs++),'3') || !_is_CImg3d(*(ptrs++),'d')) { - if (error_message) cimg_sprintf(error_message, - "CImg3d header not found"); - return false; - } - const unsigned int - nb_points = cimg::float2uint((float)*(ptrs++)), - nb_primitives = cimg::float2uint((float)*(ptrs++)); - - // Check consistency of number of vertices / primitives. - if (!full_check) { - const unsigned long minimal_size = 8UL + 3*nb_points + 6*nb_primitives; - if (_data + minimal_size>ptre) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) has only %lu values, while at least %lu values were expected", - nb_points,nb_primitives,size(),minimal_size); - return false; - } - } - - // Check consistency of vertex data. - if (!nb_points) { - if (nb_primitives) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) defines no vertices but %u primitives", - nb_points,nb_primitives,nb_primitives); - return false; - } - if (ptrs!=ptre) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) is an empty object but contains %u value%s " - "more than expected", - nb_points,nb_primitives,(unsigned int)(ptre - ptrs),(ptre - ptrs)>1?"s":""); - return false; - } - return true; - } - if (ptrs + 3*nb_points>ptre) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) defines only %u vertices data", - nb_points,nb_primitives,(unsigned int)(ptre - ptrs)/3); - return false; - } - ptrs+=3*nb_points; - - // Check consistency of primitive data. - if (ptrs==ptre) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) defines %u vertices but no primitive", - nb_points,nb_primitives,nb_points); - return false; - } - - if (!full_check) return true; - - for (unsigned int p = 0; p=nb_points) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) refers to invalid vertex indice %u in point primitive [%u]", - nb_points,nb_primitives,i0,p); - return false; - } - } break; - case 5 : { // Sphere. - const unsigned int - i0 = cimg::float2uint((float)*(ptrs++)), - i1 = cimg::float2uint((float)*(ptrs++)); - ptrs+=3; - if (i0>=nb_points || i1>=nb_points) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) refers to invalid vertex indices (%u,%u) in " - "sphere primitive [%u]", - nb_points,nb_primitives,i0,i1,p); - return false; - } - } break; - case 2 : case 6 : { // Segment. - const unsigned int - i0 = cimg::float2uint((float)*(ptrs++)), - i1 = cimg::float2uint((float)*(ptrs++)); - if (nb_inds==6) ptrs+=4; - if (i0>=nb_points || i1>=nb_points) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) refers to invalid vertex indices (%u,%u) in " - "segment primitive [%u]", - nb_points,nb_primitives,i0,i1,p); - return false; - } - } break; - case 3 : case 9 : { // Triangle. - const unsigned int - i0 = cimg::float2uint((float)*(ptrs++)), - i1 = cimg::float2uint((float)*(ptrs++)), - i2 = cimg::float2uint((float)*(ptrs++)); - if (nb_inds==9) ptrs+=6; - if (i0>=nb_points || i1>=nb_points || i2>=nb_points) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) refers to invalid vertex indices (%u,%u,%u) in " - "triangle primitive [%u]", - nb_points,nb_primitives,i0,i1,i2,p); - return false; - } - } break; - case 4 : case 12 : { // Quadrangle. - const unsigned int - i0 = cimg::float2uint((float)*(ptrs++)), - i1 = cimg::float2uint((float)*(ptrs++)), - i2 = cimg::float2uint((float)*(ptrs++)), - i3 = cimg::float2uint((float)*(ptrs++)); - if (nb_inds==12) ptrs+=8; - if (i0>=nb_points || i1>=nb_points || i2>=nb_points || i3>=nb_points) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) refers to invalid vertex indices (%u,%u,%u,%u) in " - "quadrangle primitive [%u]", - nb_points,nb_primitives,i0,i1,i2,i3,p); - return false; - } - } break; - default : - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) defines an invalid primitive [%u] of size %u", - nb_points,nb_primitives,p,nb_inds); - return false; - } - if (ptrs>ptre) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) has incomplete primitive data for primitive [%u], " - "%u values missing", - nb_points,nb_primitives,p,(unsigned int)(ptrs - ptre)); - return false; - } - } - - // Check consistency of color data. - if (ptrs==ptre) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) defines no color/texture data", - nb_points,nb_primitives); - return false; - } - for (unsigned int c = 0; c=c) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) refers to invalid shared sprite/texture indice %u " - "for primitive [%u]", - nb_points,nb_primitives,w,c); - return false; - } - } else ptrs+=w*h*s; - } - if (ptrs>ptre) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) has incomplete color/texture data for primitive [%u], " - "%u values missing", - nb_points,nb_primitives,c,(unsigned int)(ptrs - ptre)); - return false; - } - } - - // Check consistency of opacity data. - if (ptrs==ptre) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) defines no opacity data", - nb_points,nb_primitives); - return false; - } - for (unsigned int o = 0; o=o) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) refers to invalid shared opacity indice %u " - "for primitive [%u]", - nb_points,nb_primitives,w,o); - return false; - } - } else ptrs+=w*h*s; - } - if (ptrs>ptre) { - if (error_message) cimg_sprintf(error_message, - "CImg3d (%u,%u) has incomplete opacity data for primitive [%u]", - nb_points,nb_primitives,o); - return false; - } - } - - // Check end of data. - if (ptrs1?"s":""); - return false; - } - return true; - } - - static bool _is_CImg3d(const T val, const char c) { - return val>=(T)c && val<(T)(c + 1); - } - - //@} - //------------------------------------- - // - //! \name Mathematical Functions - //@{ - //------------------------------------- - - // Define the math formula parser/compiler and expression evaluator. - struct _cimg_math_parser { - CImg mem; - CImg memtype; - CImgList _code, &code; - CImg opcode; - const CImg *p_code_begin, *p_code_end, *p_code; - - CImg expr, pexpr; - const CImg& imgin; - const CImgList& listin; - CImg &imgout; - CImgList& listout; - - CImg _img_stats, &img_stats; - CImgList _list_stats, &list_stats, _list_median, &list_median; - CImg mem_img_stats; - - CImg level, variable_pos, reserved_label; - CImgList variable_def, function_def, function_body; - char *user_function; - - unsigned int mempos, mem_img_median, debug_indent, init_size, result_dim; - bool is_parallelizable, need_input_copy; - double *result; - const char *const calling_function, *s_op, *ss_op; - typedef double (*mp_func)(_cimg_math_parser&); - -#define _cimg_mp_is_constant(arg) (memtype[arg]==1) // Is constant? -#define _cimg_mp_is_scalar(arg) (memtype[arg]<2) // Is scalar? -#define _cimg_mp_is_temp(arg) (!memtype[arg]) // Is temporary scalar? -#define _cimg_mp_is_variable(arg) (memtype[arg]==-1) // Is scalar variable? -#define _cimg_mp_is_vector(arg) (memtype[arg]>1) // Is vector? -#define _cimg_mp_vector_size(arg) (_cimg_mp_is_scalar(arg)?0U:(unsigned int)memtype[arg] - 1) // Vector size -#define _cimg_mp_calling_function calling_function_s()._data -#define _cimg_mp_op(s) s_op = s; ss_op = ss -#define _cimg_mp_check_type(arg,n_arg,mode,N) check_type(arg,n_arg,mode,N,ss,se,saved_char) -#define _cimg_mp_check_constant(arg,n_arg,is_strict) check_constant(arg,n_arg,is_strict,ss,se,saved_char) -#define _cimg_mp_check_matrix_square(arg,n_arg) check_matrix_square(arg,n_arg,ss,se,saved_char) -#define _cimg_mp_check_vector0(dim) check_vector0(dim,ss,se,saved_char) -#define _cimg_mp_check_list(is_out) check_list(is_out,ss,se,saved_char) -#define _cimg_mp_defunc(mp) (*(mp_func)(*(mp).opcode))(mp) -#define _cimg_mp_return(x) { *se = saved_char; s_op = previous_s_op; ss_op = previous_ss_op; return x; } -#define _cimg_mp_constant(val) _cimg_mp_return(constant(val)) -#define _cimg_mp_scalar0(op) _cimg_mp_return(scalar0(op)) -#define _cimg_mp_scalar1(op,i1) _cimg_mp_return(scalar1(op,i1)) -#define _cimg_mp_scalar2(op,i1,i2) _cimg_mp_return(scalar2(op,i1,i2)) -#define _cimg_mp_scalar3(op,i1,i2,i3) _cimg_mp_return(scalar3(op,i1,i2,i3)) -#define _cimg_mp_scalar6(op,i1,i2,i3,i4,i5,i6) _cimg_mp_return(scalar6(op,i1,i2,i3,i4,i5,i6)) -#define _cimg_mp_scalar7(op,i1,i2,i3,i4,i5,i6,i7) _cimg_mp_return(scalar7(op,i1,i2,i3,i4,i5,i6,i7)) -#define _cimg_mp_vector1_v(op,i1) _cimg_mp_return(vector1_v(op,i1)) -#define _cimg_mp_vector2_sv(op,i1,i2) _cimg_mp_return(vector2_sv(op,i1,i2)) -#define _cimg_mp_vector2_vs(op,i1,i2) _cimg_mp_return(vector2_vs(op,i1,i2)) -#define _cimg_mp_vector2_vv(op,i1,i2) _cimg_mp_return(vector2_vv(op,i1,i2)) -#define _cimg_mp_vector3_vss(op,i1,i2,i3) _cimg_mp_return(vector3_vss(op,i1,i2,i3)) - - // Constructors. - _cimg_math_parser(const char *const expression, const char *const funcname=0, - const CImg& img_input=CImg::const_empty(), CImg *const img_output=0, - const CImgList *const list_input=0, CImgList *const list_output=0): - code(_code),imgin(img_input),listin(list_input?*list_input:CImgList::const_empty()), - imgout(img_output?*img_output:CImg::empty()),listout(list_output?*list_output:CImgList::empty()), - img_stats(_img_stats),list_stats(_list_stats),list_median(_list_median),user_function(0), - mem_img_median(~0U),debug_indent(0),init_size(0),result_dim(0),is_parallelizable(true), - need_input_copy(false),calling_function(funcname?funcname:"cimg_math_parser") { - if (!expression || !*expression) - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: Empty expression.", - pixel_type(),_cimg_mp_calling_function); - const char *_expression = expression; - while (*_expression && (*_expression<=' ' || *_expression==';')) ++_expression; - CImg::string(_expression).move_to(expr); - char *ps = &expr.back() - 1; - while (ps>expr._data && (*ps==' ' || *ps==';')) --ps; - *(++ps) = 0; expr._width = ps - expr._data + 1; - - // Ease the retrieval of previous non-space characters afterwards. - pexpr.assign(expr._width); - - char c, *pe = pexpr._data; - for (ps = expr._data, c = ' '; *ps; ++ps) { - if (*ps!=' ') c = *ps; - *(pe++) = c; - } - *pe = 0; - - // Count parentheses/brackets level of expression. - level.assign(expr._width - 1); - int lv = 0; - unsigned int *pd = level._data; - for (ps = expr._data; *ps && lv>=0; ++ps) - *(pd++) = (unsigned int)(*ps=='('||*ps=='['?lv++:*ps==')'||*ps==']'?--lv:lv); - if (lv!=0) { - cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: Unbalanced parentheses/brackets, in expression '%s'.", - pixel_type(),_cimg_mp_calling_function, - expr._data); - } - - // Init constant values. - mem.assign(96); - memtype.assign(96); - double *p_mem = mem._data; - for (unsigned int i = 0; i<=10; ++i) *(p_mem++) = (double)i; // mem[0-10] - for (unsigned int i = 1; i<=5; ++i) *(p_mem++) = -(double)i; // mem[11-15] - *(p_mem++) = 0.5; // mem[16] - *(p_mem++) = 0; // mem[17] = thread_id - *(p_mem++) = (double)imgin._width; // mem[18] - *(p_mem++) = (double)imgin._height; // mem[19] - *(p_mem++) = (double)imgin._depth; // mem[20] - *(p_mem++) = (double)imgin._spectrum; // mem[21] - *(p_mem++) = (double)imgin._is_shared; // mem[22] - *(p_mem++) = (double)imgin._width*imgin._height; // mem[23] - *(p_mem++) = (double)imgin._width*imgin._height*imgin._depth; // mem[24] - *(p_mem++) = (double)imgin._width*imgin._height*imgin._depth*imgin._spectrum; // mem[25] - *(p_mem++) = cimg::PI; // mem[26] - *(p_mem++) = std::exp(1.0); // mem[27] - *(p_mem++) = cimg::type::nan(); // mem[28] - - // Then, [29] = x, [30] = y, [31] = z and [32] = c. -#define _cimg_mp_x 29 -#define _cimg_mp_y 30 -#define _cimg_mp_z 31 -#define _cimg_mp_c 32 - - // Set value property : - // { -1 = variable | 0 = regular value | 1 = compile time constant | N>1 = constant ptr to vector[N-1] }. - std::memset(memtype._data,0,sizeof(int)*memtype._width); - int *p_memtype = memtype._data; for (unsigned int i = 0; i<_cimg_mp_x; ++i) *(p_memtype++) = 1; - memtype[17] = 0; - - mempos = _cimg_mp_c + 1; - variable_pos.assign(8); - reserved_label.assign(128,1,1,1,~0U); - reserved_label['t'] = 17; - reserved_label['w'] = 18; - reserved_label['h'] = 19; - reserved_label['d'] = 20; - reserved_label['s'] = 21; - reserved_label['r'] = 22; - reserved_label[0] = 23; // wh - reserved_label[1] = 24; // whd - reserved_label[2] = 25; // whds - reserved_label[3] = 26; // pi - reserved_label['e'] = 27; - reserved_label[29] = 0; // interpolation - reserved_label[30] = 0; // boundary - reserved_label['x'] = _cimg_mp_x; - reserved_label['y'] = _cimg_mp_y; - reserved_label['z'] = _cimg_mp_z; - reserved_label['c'] = _cimg_mp_c; - // reserved_label[4-28] store also two-char variables: - // [4] = im, [5] = iM, [6] = ia, [7] = iv, [8] = is, [9] = ip, [10] = ic, - // [11] = xm, [12] = ym, [13] = zm, [14] = cm, [15] = xM, [16] = yM, [17] = zM, [18]=cM, [19]=i0...[28]=i9, - - // Compile expression into a serie of opcodes. - s_op = ""; ss_op = expr._data; - const unsigned int ind_result = compile(expr._data,expr._data + expr._width - 1,0,0); - p_code_end = code.end(); - - // Free resources used for parsing and prepare for evaluation. - if (_cimg_mp_is_vector(ind_result)) result_dim = _cimg_mp_vector_size(ind_result); - mem.resize(mempos,1,1,1,-1); - result = mem._data + ind_result; - memtype.assign(); - level.assign(); - variable_pos.assign(); - reserved_label.assign(); - expr.assign(); - pexpr.assign(); - opcode.assign(); - opcode._width = opcode._depth = opcode._spectrum = 1; - opcode._is_shared = true; - - // Execute init() function if any specified. - p_code_begin = code._data + init_size; - if (init_size) { - mem[_cimg_mp_x] = mem[_cimg_mp_y] = mem[_cimg_mp_z] = mem[_cimg_mp_c] = 0; - for (p_code = code._data; p_code &op = *p_code; - opcode._data = op._data; opcode._height = op._height; - const uptrT target = opcode[1]; - mem[target] = _cimg_mp_defunc(*this); - } - } - } - - _cimg_math_parser(): - code(_code),p_code_begin(0),p_code_end(0), - imgin(CImg::const_empty()),listin(CImgList::const_empty()), - imgout(CImg::empty()),listout(CImgList::empty()), - img_stats(_img_stats),list_stats(_list_stats),list_median(_list_median),debug_indent(0), - result_dim(0),is_parallelizable(true),need_input_copy(false),calling_function(0) { - mem.assign(1 + _cimg_mp_c,1,1,1,0); // Allow to skip 'is_empty?' test in operator()() - result = mem._data; - } - - _cimg_math_parser(const _cimg_math_parser& mp): - mem(mp.mem),code(mp.code),p_code_begin(mp.p_code_begin),p_code_end(mp.p_code_end), - imgin(mp.imgin),listin(mp.listin),imgout(mp.imgout),listout(mp.listout),img_stats(mp.img_stats), - list_stats(mp.list_stats),list_median(mp.list_median),debug_indent(0),result_dim(mp.result_dim), - is_parallelizable(mp.is_parallelizable), need_input_copy(mp.need_input_copy), - result(mem._data + (mp.result - mp.mem._data)),calling_function(0) { -#ifdef cimg_use_openmp - mem[17] = omp_get_thread_num(); -#endif - opcode._width = opcode._depth = opcode._spectrum = 1; - opcode._is_shared = true; - } - - // Compilation procedure. - unsigned int compile(char *ss, char *se, const unsigned int depth, unsigned int *const p_ref) { - if (depth>256) { - cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: Call stack overflow (infinite recursion?), " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - - const char *const ss0 = ss; - char c1, c2, c3, c4; - - if (ssss && (c1=*(se - 1))>0 && (c1<=' ' || c1==';')) --se; - } - if (se>ss && *(se - 1)==';') --se; - while (*ss=='(' && *(se - 1)==')' && std::strchr(ss,')')==se - 1) { // Detect simple content around parentheses. - ++ss; --se; - } - if (se<=ss || !*ss) { - cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s%s Missing %s, in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op,*s_op?":":"", - *s_op=='F'?"argument":"item", - (ss_op - 4)>expr._data?"...":"", - (ss_op - 4)>expr._data?ss_op - 4:expr._data, - ss_op + std::strlen(ss_op)<&expr.back()?"...":""); - } - - const char *const previous_s_op = s_op, *const previous_ss_op = ss_op; - const unsigned int depth1 = depth + 1; - unsigned int pos, p1, p2, p3, arg1, arg2, arg3, arg4, arg5, arg6; - char - *const se1 = se - 1, *const se2 = se - 2, *const se3 = se - 3, - *const ss1 = ss + 1, *const ss2 = ss + 2, *const ss3 = ss + 3, *const ss4 = ss + 4, - *const ss5 = ss + 5, *const ss6 = ss + 6, *const ss7 = ss + 7, *const ss8 = ss + 8, - *s, *ps, *ns, *s0, *s1, *s2, *s3, sep = 0, end = 0; - double val, val1, val2; - mp_func op; - - // 'p_ref' is a 'unsigned int[7]' used to return a reference to an image or vector value - // linked to the returned memory slot (reference that cannot be determined at compile time). - // p_ref[0] can be { 0 = scalar (unlinked) | 1 = vector value | 2 = image value (offset) | - // 3 = image value (coordinates) | 4 = image value as a vector (offsets) | - // 5 = image value as a vector (coordinates) }. - // Depending on p_ref[0], the remaining p_ref[k] have the following meaning: - // When p_ref[0]==0, p_ref is actually unlinked. - // When p_ref[0]==1, p_ref = [ 1, vector_ind, offset ]. - // When p_ref[0]==2, p_ref = [ 2, image_ind (or ~0U), is_relative, offset ]. - // When p_ref[0]==3, p_ref = [ 3, image_ind (or ~0U), is_relative, x, y, z, c ]. - // When p_ref[0]==4, p_ref = [ 4, image_ind (or ~0U), is_relative, offset ]. - // When p_ref[0]==5, p_ref = [ 5, image_ind (or ~0U), is_relative, x, y, z ]. - if (p_ref) { *p_ref = 0; p_ref[1] = p_ref[2] = p_ref[3] = p_ref[4] = p_ref[5] = p_ref[6] = ~0U; } - - const char saved_char = *se; *se = 0; - const unsigned int clevel = level[ss - expr._data], clevel1 = clevel + 1; - bool is_sth, is_relative; - CImg ref; - CImgList _opcode; - CImg variable_name; - - // Look for a single value or a pre-defined variable. - int nb = cimg_sscanf(ss,"%lf%c%c",&val,&(sep=0),&(end=0)); - -#if cimg_OS==2 - // Check for +/-NaN and +/-inf as Microsoft's sscanf() version is not able - // to read those particular values. - if (!nb && (*ss=='+' || *ss=='-' || *ss=='i' || *ss=='I' || *ss=='n' || *ss=='N')) { - is_sth = true; - s = ss; - if (*s=='+') ++s; else if (*s=='-') { ++s; is_sth = false; } - if (!cimg::strcasecmp(s,"inf")) { val = cimg::type::inf(); nb = 1; } - else if (!cimg::strcasecmp(s,"nan")) { val = cimg::type::nan(); nb = 1; } - if (nb==1 && !is_sth) val = -val; - } -#endif - if (nb==1) _cimg_mp_constant(val); - if (nb==2 && sep=='%') _cimg_mp_constant(val/100); - - if (ss1==se) switch (*ss) { // One-char variable - case 't' : case 'w' : case 'h' : case 'd' : case 's' : case 'r' : - case 'x' : case 'y' : case 'z' : case 'c' : case 'e' : - _cimg_mp_return(reserved_label[*ss]); - case 'u' : - if (reserved_label['u']!=~0U) _cimg_mp_return(reserved_label['u']); - _cimg_mp_scalar2(mp_u,0,1); - case 'g' : - if (reserved_label['g']!=~0U) _cimg_mp_return(reserved_label['g']); - _cimg_mp_scalar0(mp_g); - case 'i' : - if (reserved_label['i']!=~0U) _cimg_mp_return(reserved_label['i']); - _cimg_mp_scalar0(mp_i); - case 'I' : - _cimg_mp_op("Variable 'I'"); - if (reserved_label['I']!=~0U) _cimg_mp_return(reserved_label['I']); - _cimg_mp_check_vector0(imgin._spectrum); - need_input_copy = true; - pos = vector(imgin._spectrum); - CImg::vector((uptrT)mp_Joff,pos,0,0).move_to(code); - _cimg_mp_return(pos); - case 'R' : - if (reserved_label['R']!=~0U) _cimg_mp_return(reserved_label['R']); - need_input_copy = true; - _cimg_mp_scalar6(mp_ixyzc,_cimg_mp_x,_cimg_mp_y,_cimg_mp_z,0,0,0); - case 'G' : - if (reserved_label['G']!=~0U) _cimg_mp_return(reserved_label['G']); - need_input_copy = true; - _cimg_mp_scalar6(mp_ixyzc,_cimg_mp_x,_cimg_mp_y,_cimg_mp_z,1,0,0); - case 'B' : - if (reserved_label['B']!=~0U) _cimg_mp_return(reserved_label['B']); - need_input_copy = true; - _cimg_mp_scalar6(mp_ixyzc,_cimg_mp_x,_cimg_mp_y,_cimg_mp_z,2,0,0); - case 'A' : - if (reserved_label['A']!=~0U) _cimg_mp_return(reserved_label['A']); - need_input_copy = true; - _cimg_mp_scalar6(mp_ixyzc,_cimg_mp_x,_cimg_mp_y,_cimg_mp_z,3,0,0); - } - else if (ss2==se) { // Two-chars variable - arg1 = arg2 = ~0U; - if (*ss=='w' && *ss1=='h') _cimg_mp_return(reserved_label[0]); // wh - if (*ss=='p' && *ss1=='i') _cimg_mp_return(reserved_label[3]); // pi - if (*ss=='i') { - if (*ss1>='0' && *ss1<='9') { // i0...i9 - pos = 19 + *ss1 - '0'; - if (reserved_label[pos]!=~0U) _cimg_mp_return(reserved_label[pos]); - need_input_copy = true; - _cimg_mp_scalar6(mp_ixyzc,_cimg_mp_x,_cimg_mp_y,_cimg_mp_z,pos - 19,0,0); - } - switch (*ss1) { - case 'm' : arg1 = 4; arg2 = 0; break; // im - case 'M' : arg1 = 5; arg2 = 1; break; // iM - case 'a' : arg1 = 6; arg2 = 2; break; // ia - case 'v' : arg1 = 7; arg2 = 3; break; // iv - case 's' : arg1 = 8; arg2 = 12; break; // is - case 'p' : arg1 = 9; arg2 = 13; break; // is - case 'c' : // ic - if (reserved_label[10]!=~0U) _cimg_mp_return(reserved_label[10]); - if (mem_img_median==~0U) mem_img_median = imgin?constant(imgin.median()):0; - _cimg_mp_return(mem_img_median); - break; - } - } - else if (*ss1=='m') switch (*ss) { - case 'x' : arg1 = 11; arg2 = 4; break; // xm - case 'y' : arg1 = 12; arg2 = 5; break; // ym - case 'z' : arg1 = 13; arg2 = 6; break; // zm - case 'c' : arg1 = 14; arg2 = 7; break; // cm - } - else if (*ss1=='M') switch (*ss) { - case 'x' : arg1 = 15; arg2 = 8; break; // xM - case 'y' : arg1 = 16; arg2 = 9; break; // yM - case 'z' : arg1 = 17; arg2 = 10; break; // zM - case 'c' : arg1 = 18; arg2 = 11; break; // cM - } - if (arg1!=~0U) { - if (reserved_label[arg1]!=~0U) _cimg_mp_return(reserved_label[arg1]); - if (!img_stats) { - img_stats.assign(1,14,1,1,0).fill(imgin.get_stats(),false); - mem_img_stats.assign(1,14,1,1,~0U); - } - if (mem_img_stats[arg2]==~0U) mem_img_stats[arg2] = constant(img_stats[arg2]); - _cimg_mp_return(mem_img_stats[arg2]); - } - } else if (ss3==se) { // Three-chars variable - if (*ss=='w' && *ss1=='h' && *ss2=='d') _cimg_mp_return(reserved_label[1]); // whd - } else if (ss4==se) { // Four-chars variable - if (*ss=='w' && *ss1=='h' && *ss2=='d' && *ss3=='s') _cimg_mp_return(reserved_label[2]); // whds - } - - pos = ~0U; - for (s0 = ss, s = ss1; s='i'?1:3,p2); - - if (p_ref) { - *p_ref = _cimg_mp_is_vector(arg2)?4:2; - p_ref[1] = p1; - p_ref[2] = (unsigned int)is_relative; - p_ref[3] = arg1; - if (_cimg_mp_is_vector(arg2)) - set_variable_vector(arg2); // Prevent from being used in further optimization - else if (_cimg_mp_is_temp(arg2)) memtype[arg2] = -1; - if (p1!=~0U && _cimg_mp_is_temp(p1)) memtype[p1] = -1; - if (_cimg_mp_is_temp(arg1)) memtype[arg1] = -1; - } - if (p1!=~0U) { - if (!listout) _cimg_mp_return(arg2); - if (*ss>='i') - CImg::vector((uptrT)(is_relative?mp_list_set_joff:mp_list_set_ioff), - arg2,p1,arg1).move_to(code); - else if (_cimg_mp_is_scalar(arg2)) - CImg::vector((uptrT)(is_relative?mp_list_set_Joff_s:mp_list_set_Ioff_s), - arg2,p1,arg1).move_to(code); - else - CImg::vector((uptrT)(is_relative?mp_list_set_Joff_v:mp_list_set_Ioff_v), - arg2,p1,arg1).move_to(code); - } else { - if (!imgout) _cimg_mp_return(arg2); - if (*ss>='i') - CImg::vector((uptrT)(is_relative?mp_set_joff:mp_set_ioff), - arg2,arg1).move_to(code); - if (_cimg_mp_is_scalar(arg2)) - CImg::vector((uptrT)(is_relative?mp_set_Joff_s:mp_set_Ioff_s), - arg2,arg1).move_to(code); - else - CImg::vector((uptrT)(is_relative?mp_set_Joff_v:mp_set_Ioff_v), - arg2,arg1).move_to(code); - } - _cimg_mp_return(arg2); - } - - if (*ss1=='(' && *ve1==')') { // i/j/I/J(_#ind,_x,_y,_z,_c) = value - is_parallelizable = false; - if (*ss2=='#') { // Index specified - s0 = ss3; while (s01) { - arg2 = arg1 + 1; - if (p2>2) { - arg3 = arg2 + 1; - if (p2>3) arg4 = arg3 + 1; - } - } - } else if (s1='i'?1:3,p2); - - if (p_ref) { - *p_ref = _cimg_mp_is_vector(arg5)?5:3; - p_ref[1] = p1; - p_ref[2] = (unsigned int)is_relative; - p_ref[3] = arg1; - p_ref[4] = arg2; - p_ref[5] = arg3; - p_ref[6] = arg4; - if (_cimg_mp_is_vector(arg5)) - set_variable_vector(arg5); // Prevent from being used in further optimization - else if (_cimg_mp_is_temp(arg5)) memtype[arg5] = -1; - if (p1!=~0U && _cimg_mp_is_temp(p1)) memtype[p1] = -1; - if (_cimg_mp_is_temp(arg1)) memtype[arg1] = -1; - if (_cimg_mp_is_temp(arg2)) memtype[arg2] = -1; - if (_cimg_mp_is_temp(arg3)) memtype[arg3] = -1; - if (_cimg_mp_is_temp(arg4)) memtype[arg4] = -1; - } - if (p1!=~0U) { - if (!listout) _cimg_mp_return(arg5); - if (*ss>='i') - CImg::vector((uptrT)(is_relative?mp_list_set_jxyzc:mp_list_set_ixyzc), - arg5,p1,arg1,arg2,arg3,arg4).move_to(code); - else if (_cimg_mp_is_scalar(arg5)) - CImg::vector((uptrT)(is_relative?mp_list_set_Jxyz_s:mp_list_set_Ixyz_s), - arg5,p1,arg1,arg2,arg3).move_to(code); - else - CImg::vector((uptrT)(is_relative?mp_list_set_Jxyz_v:mp_list_set_Ixyz_v), - arg5,p1,arg1,arg2,arg3).move_to(code); - } else { - if (!imgout) _cimg_mp_return(arg5); - if (*ss>='i') - CImg::vector((uptrT)(is_relative?mp_set_jxyzc:mp_set_ixyzc), - arg5,arg1,arg2,arg3,arg4).move_to(code); - else if (_cimg_mp_is_scalar(arg5)) - CImg::vector((uptrT)(is_relative?mp_set_Jxyz_s:mp_set_Ixyz_s), - arg5,arg1,arg2,arg3).move_to(code); - else - CImg::vector((uptrT)(is_relative?mp_set_Jxyz_v:mp_set_Ixyz_v), - arg5,arg1,arg2,arg3).move_to(code); - } - _cimg_mp_return(arg5); - } - } - - // Assign vector value (direct). - if (l_variable_name>3 && *ve1==']' && *ss!='[') { - s0 = ve1; while (s0>ss && *s0!='[') --s0; - is_sth = true; // is_valid_variable_name? - if (*ss>='0' && *ss<='9') is_sth = false; - else for (ns = ss; nsss) { - variable_name[s0 - ss] = 0; // Remove brackets in variable name - arg1 = ~0U; // Vector slot - arg2 = compile(++s0,ve1,depth1,0); // Index - arg3 = compile(s + 1,se,depth1,0); // Value to assign - _cimg_mp_check_type(arg3,2,1,0); - - if (variable_name[1]) { // Multi-char variable - cimglist_for(variable_def,i) if (!std::strcmp(variable_name,variable_def[i])) { - arg1 = variable_pos[i]; break; - } - } else arg1 = reserved_label[*variable_name]; // Single-char variable - if (arg1==~0U) compile(ss,s0 - 1,depth1,0); // Variable does not exist -> error - else { // Variable already exists - if (_cimg_mp_is_scalar(arg1)) compile(ss,s,depth1,0); // Variable is not a vector -> error - if (_cimg_mp_is_constant(arg2)) { // Constant index -> return corresponding variable slot directly - nb = (int)mem[arg2]; - if (nb>=0 && nb<(int)_cimg_mp_vector_size(arg1)) { - arg1+=nb + 1; - CImg::vector((uptrT)mp_copy,arg1,arg3).move_to(code); - _cimg_mp_return(arg1); - } - compile(ss,s,depth1,0); // Out-of-bounds reference -> error - } - - // Case of non-constant index -> return assigned value + linked reference - if (p_ref) { - *p_ref = 1; - p_ref[1] = arg1; - p_ref[2] = arg2; - if (_cimg_mp_is_temp(arg3)) memtype[arg3] = -1; // Prevent from being used in further optimization - if (_cimg_mp_is_temp(arg2)) memtype[arg2] = -1; - } - CImg::vector((uptrT)mp_vector_set_off,arg3,arg1,(uptrT)_cimg_mp_vector_size(arg1),arg2,arg3). - move_to(code); - _cimg_mp_return(arg3); - } - } - } - - // Assign user-defined macro. - if (l_variable_name>2 && *ve1==')' && *ss!='(') { - s0 = ve1; while (s0>ss && *s0!='(') --s0; - is_sth = std::strncmp(variable_name,"debug(",6) && - std::strncmp(variable_name,"print(",6); // is_valid_function_name? - if (*ss>='0' && *ss<='9') is_sth = false; - else for (ns = ss; nsss) { // Looks like a valid function declaration - s0 = variable_name._data + (s0 - ss); - *s0 = 0; - s1 = variable_name._data + l_variable_name - 1; // Pointer to closing parenthesis - CImg(variable_name._data,s0 - variable_name._data + 1).move_to(function_def,0); - ++s; while (*s && *s<=' ') ++s; - CImg(s,se - s + 1).move_to(function_body,0); - - p1 = 1; // Indice of current parsed argument - for (s = s0 + 1; s<=s1; ++p1, s = ns + 1) { // Parse function arguments - if (p1>24) { - *se = saved_char; cimg::strellipsize(variable_name,64); cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: Too much specified arguments (>24) when defining " - "function '%s()', in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - variable_name._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - while (*s && *s<=' ') ++s; - if (*s==')' && p1==1) break; // Function has no arguments - - s2 = s; // Start of the argument name - is_sth = true; // is_valid_argument_name? - if (*s>='0' && *s<='9') is_sth = false; - else for (ns = s; ns' '; ++ns) - if (!is_varchar(*ns)) { is_sth = false; break; } - s3 = ns; // End of the argument name - while (*ns && *ns<=' ') ++ns; - if (!is_sth || s2==s3 || (*ns!=',' && ns!=s1)) { - *se = saved_char; cimg::strellipsize(variable_name,64); cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: %s name specified for argument %u when defining " - "function '%s()', in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - is_sth?"Empty":"Invalid",p1, - variable_name._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - if (ns==s1 || *ns==',') { // New argument found - *s3 = 0; - p2 = s3 - s2; // Argument length - p3 = function_body[0]._width - p2 + 1; // Related to copy length - for (ps = std::strstr(function_body[0],s2); ps; ps = std::strstr(ps,s2)) { // Replace by arg number - if (!((ps>function_body[0]._data && is_varchar(*(ps - 1))) || - (ps + p21) { - std::memmove(ps,ps + p2 - 1,function_body[0]._data + p3 - ps); - function_body[0]._width-=p2 - 1; - } - } else ++ps; - } - } - } - // Store number of arguments - function_def[0].resize(function_def[0]._width + 1,1,1,1,0).back() = (char)(p1 - 1); - _cimg_mp_return(28); - } - } - - // Check if the variable name could be valid. If not, this is probably an lvalue assignment. - is_sth = true; // is_valid_variable_name? - if (*variable_name>='0' && *variable_name<='9') is_sth = false; - else for (ns = variable_name._data; *ns; ++ns) - if (!is_varchar(*ns)) { is_sth = false; break; } - - // Assign variable (direct). - if (is_sth) { - if (variable_name[1] && !variable_name[2]) { // Two-chars variable - c1 = variable_name[0]; - c2 = variable_name[1]; - if (c1=='w' && c2=='h') variable_name.fill((char)0,(char)0); // wh - else if (c1=='p' && c2=='i') variable_name.fill(3,0); // pi - else if (c1=='i') { - if (c2>='0' && c2<='9') variable_name.fill(19 + c2 - '0',0); // i0...i9 - else if (c2=='m') variable_name.fill(4,0); // im - else if (c2=='M') variable_name.fill(5,0); // iM - else if (c2=='a') variable_name.fill(6,0); // ia - else if (c2=='v') variable_name.fill(7,0); // iv - else if (c2=='s') variable_name.fill(8,0); // is - else if (c2=='p') variable_name.fill(9,0); // ip - else if (c2=='c') variable_name.fill(10,0); // ic - } else if (c2=='m') { - if (c1=='x') variable_name.fill(11,0); // xm - else if (c1=='y') variable_name.fill(12,0); // ym - else if (c1=='z') variable_name.fill(13,0); // zm - else if (c1=='c') variable_name.fill(14,0); // cm - } else if (c2=='M') { - if (c1=='x') variable_name.fill(15,0); // xM - else if (c1=='y') variable_name.fill(16,0); // yM - else if (c1=='z') variable_name.fill(17,0); // zM - else if (c1=='c') variable_name.fill(18,0); // cM - } - } else if (variable_name[1] && variable_name[2] && !variable_name[3]) { // Three-chars variable - c1 = variable_name[0]; - c2 = variable_name[1]; - c3 = variable_name[2]; - if (c1=='w' && c2=='h' && c3=='d') variable_name.fill(1,0); // whd - } else if (variable_name[1] && variable_name[2] && variable_name[3] && - !variable_name[4]) { // Four-chars variable - c1 = variable_name[0]; - c2 = variable_name[1]; - c3 = variable_name[2]; - c4 = variable_name[3]; - if (c1=='w' && c2=='h' && c3=='d' && c4=='s') variable_name.fill(2,0); // whds - } else if (!std::strcmp(variable_name,"interpolation")) variable_name.fill(29,0); - else if (!std::strcmp(variable_name,"boundary")) variable_name.fill(30,0); - - arg1 = ~0U; - arg2 = compile(s + 1,se,depth1,0); - if (!variable_name[1]) // One-char variable, or variable in reserved_labels - arg1 = reserved_label[*variable_name]; - else // Multi-char variable name : check for existing variable with same name - cimglist_for(variable_def,i) - if (!std::strcmp(variable_name,variable_def[i])) { arg1 = variable_pos[i]; break; } - - if (arg1==~0U || arg1<=_cimg_mp_c) { // Create new variable - if (_cimg_mp_is_vector(arg2)) { // Vector variable - arg1 = vector_copy(arg2); - set_variable_vector(arg1); - } else { // Scalar variable - arg1 = scalar1(mp_copy,arg2); - memtype[arg1] = -1; - } - - if (!variable_name[1]) reserved_label[*variable_name] = arg1; - else { - if (variable_def._width>=variable_pos._width) variable_pos.resize(-200,1,1,1,0); - variable_pos[variable_def._width] = arg1; - variable_name.move_to(variable_def); - } - - } else { // Variable already exists -> assign a new value - _cimg_mp_check_type(arg2,2,_cimg_mp_is_vector(arg1)?3:1,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1)) { // Vector - if (_cimg_mp_is_vector(arg2)) // From vector - CImg::vector((uptrT)mp_vector_copy,arg1,arg2,(uptrT)_cimg_mp_vector_size(arg1)). - move_to(code); - else // From scalar - CImg::vector((uptrT)mp_vector_init,arg1,(uptrT)_cimg_mp_vector_size(arg1),arg2). - move_to(code); - } else // Scalar - CImg::vector((uptrT)mp_copy,arg1,arg2).move_to(code); - } - _cimg_mp_return(arg1); - } - - // Assign lvalue (variable name was not valid). - is_sth = (bool)std::strchr(variable_name,'?'); // Contains_ternary_operator? - if (is_sth) break; // Do nothing and make ternary operator prioritary over assignment - - if (l_variable_name>2 && (std::strchr(variable_name,'(') || std::strchr(variable_name,'['))) { - ref.assign(7); - arg1 = compile(ss,s,depth1,ref); // Lvalue slot - arg2 = compile(s + 1,se,depth1,0); // Value to assign - - if (*ref==1) { // Vector value (scalar): V[k] = scalar - _cimg_mp_check_type(arg2,2,1,0); - arg3 = ref[1]; // Vector slot - arg4 = ref[2]; // Index - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - CImg::vector((uptrT)mp_vector_set_off,arg2,arg3,(uptrT)_cimg_mp_vector_size(arg3),arg4,arg2). - move_to(code); - _cimg_mp_return(arg2); - } - - if (*ref==2) { // Image value (scalar): i/j[_#ind,off] = scalar - _cimg_mp_check_type(arg2,2,1,0); - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // Offset - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(arg2); - CImg::vector((uptrT)(is_relative?mp_list_set_joff:mp_list_set_ioff), - arg2,p1,arg3).move_to(code); - } else { - if (!imgout) _cimg_mp_return(arg2); - CImg::vector((uptrT)(is_relative?mp_set_joff:mp_set_ioff), - arg2,arg3).move_to(code); - } - _cimg_mp_return(arg2); - } - - if (*ref==3) { // Image value (scalar): i/j(_#ind,_x,_y,_z,_c) = scalar - _cimg_mp_check_type(arg2,2,1,0); - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // X - arg4 = ref[4]; // Y - arg5 = ref[5]; // Z - arg6 = ref[6]; // C - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(arg2); - CImg::vector((uptrT)(is_relative?mp_list_set_jxyzc:mp_list_set_ixyzc), - arg2,p1,arg3,arg4,arg5,arg6).move_to(code); - } else { - if (!imgout) _cimg_mp_return(arg2); - CImg::vector((uptrT)(is_relative?mp_set_jxyzc:mp_set_ixyzc), - arg2,arg3,arg4,arg5,arg6).move_to(code); - } - _cimg_mp_return(arg2); - } - - if (*ref==4) { // Image value (vector): I/J[_#ind,off] = value - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // Offset - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(arg2); - if (_cimg_mp_is_scalar(arg2)) - CImg::vector((uptrT)(is_relative?mp_list_set_Joff_s:mp_list_set_Ioff_s), - arg2,p1,arg3).move_to(code); - else - CImg::vector((uptrT)(is_relative?mp_list_set_Joff_v:mp_list_set_Ioff_v), - arg2,p1,arg3).move_to(code); - } else { - if (!imgout) _cimg_mp_return(arg2); - if (_cimg_mp_is_scalar(arg2)) - CImg::vector((uptrT)(is_relative?mp_set_Joff_s:mp_set_Ioff_s), - arg2,arg3).move_to(code); - else - CImg::vector((uptrT)(is_relative?mp_set_Joff_v:mp_set_Ioff_v), - arg2,arg3).move_to(code); - } - _cimg_mp_return(arg2); - } - - if (*ref==5) { // Image value (vector): I/J(_#ind,_x,_y,_z,_c) = value - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // X - arg4 = ref[4]; // Y - arg5 = ref[5]; // Z - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(arg2); - if (_cimg_mp_is_scalar(arg2)) - CImg::vector((uptrT)(is_relative?mp_list_set_Jxyz_s:mp_list_set_Ixyz_s), - arg2,p1,arg3,arg4,arg5).move_to(code); - else - CImg::vector((uptrT)(is_relative?mp_list_set_Jxyz_v:mp_list_set_Ixyz_v), - arg2,p1,arg3,arg4,arg5).move_to(code); - } else { - if (!imgout) _cimg_mp_return(arg2); - if (_cimg_mp_is_scalar(arg2)) - CImg::vector((uptrT)(is_relative?mp_set_Jxyz_s:mp_set_Ixyz_s), - arg2,arg3,arg4,arg5).move_to(code); - else - CImg::vector((uptrT)(is_relative?mp_set_Jxyz_v:mp_set_Ixyz_v), - arg2,arg3,arg4,arg5).move_to(code); - } - _cimg_mp_return(arg2); - } - - if (_cimg_mp_is_vector(arg1)) { // Vector variable: V = value - _cimg_mp_check_type(arg2,2,1,0); - if (_cimg_mp_is_vector(arg2)) // From vector - CImg::vector((uptrT)mp_vector_copy,arg1,arg2,(uptrT)_cimg_mp_vector_size(arg1)). - move_to(code); - else // From scalar - CImg::vector((uptrT)mp_vector_init,arg1,(uptrT)_cimg_mp_vector_size(arg1),arg2). - move_to(code); - _cimg_mp_return(arg1); - } - - if (_cimg_mp_is_variable(arg1)) { // Scalar variable: s = scalar - _cimg_mp_check_type(arg2,2,1,0); - CImg::vector((uptrT)mp_copy,arg1,arg2).move_to(code); - _cimg_mp_return(arg1); - - } - } - - // No assignment expressions match -> error - *se = saved_char; cimg::strellipsize(variable_name,64); cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: Invalid left-hand operand '%s', " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - variable_name._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - - // Apply unary/binary/ternary operators. The operator precedences should be roughly the same as in C++. - for (s = se2, ps = se3, ns = ps - 1; s>ss1; --s, --ps, --ns) // Here, ns = ps - 1 - if (*s=='=' && (*ps=='*' || *ps=='/' || *ps=='^') && *ns==*ps && - level[s - expr._data]==clevel) { // Self-operators for complex numbers only (**=,//=,^^=) - _cimg_mp_op(*ps=='*'?"Operator '**='":*ps=='/'?"Operator '//='":"Operator '^^='"); - - ref.assign(7); - arg1 = compile(ss,ns,depth1,ref); // Vector slot - arg2 = compile(s + 1,se,depth1,0); // Right operand - if (*ps!='*') { - _cimg_mp_check_type(arg1,2,2,2); - _cimg_mp_check_type(arg2,2,2,2); - } - if (_cimg_mp_is_vector(arg2)) { // Complex **= complex or Matrix **= matrix - if (*ps=='*') { - if (_cimg_mp_vector_size(arg1)==2 && _cimg_mp_vector_size(arg2)==2) - CImg::vector((uptrT)mp_complex_mul,arg1,arg1,arg2).move_to(code); - else { - _cimg_mp_check_matrix_square(arg2,2); - p3 = _cimg_mp_vector_size(arg1); - p2 = (unsigned int)std::sqrt((float)_cimg_mp_vector_size(arg2)); - p1 = p3/p2; - if (p1*p2!=p3) { - *se = saved_char; cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: Types of left-hand and right-hand operands " - "('%s' and '%s') do not match, in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - s_type(arg1)._data,s_type(arg2)._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - CImg::vector((uptrT)mp_matrix_mul,arg1,arg1,arg2,p1,p2,p2).move_to(code); - } - } else if (*ps=='/') - CImg::vector((uptrT)mp_complex_div_vv,arg1,arg1,arg2).move_to(code); - else - CImg::vector((uptrT)mp_complex_pow_vv,arg1,arg1,arg2).move_to(code); - } else { // Complex **= scalar - if (*ps=='*') self_vector_s(arg1,mp_self_mul,arg2); - else if (*ps=='/') self_vector_s(arg1,mp_self_div,arg2); - else CImg::vector((uptrT)mp_complex_pow_vs,arg1,arg1,arg2).move_to(code); - } - - // Write computed value back in image if necessary. - if (*ref==4) { // Image value (vector): I/J[_#ind,off] **= value - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // Offset - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(arg1); - CImg::vector((uptrT)(is_relative?mp_list_set_Joff_v:mp_list_set_Ioff_v), - arg1,p1,arg3).move_to(code); - } else { - if (!imgout) _cimg_mp_return(arg1); - CImg::vector((uptrT)(is_relative?mp_set_Joff_v:mp_set_Ioff_v), - arg1,arg3).move_to(code); - } - - } else if (*ref==5) { // Image value (vector): I/J(_#ind,_x,_y,_z,_c) **= value - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // X - arg4 = ref[4]; // Y - arg5 = ref[5]; // Z - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(arg1); - CImg::vector((uptrT)(is_relative?mp_list_set_Jxyz_v:mp_list_set_Ixyz_v), - arg1,p1,arg3,arg4,arg5).move_to(code); - } else { - if (!imgout) _cimg_mp_return(arg1); - CImg::vector((uptrT)(is_relative?mp_set_Jxyz_v:mp_set_Ixyz_v), - arg1,arg3,arg4,arg5).move_to(code); - } - } - - _cimg_mp_return(arg1); - } - - for (s = se2, ps = se3, ns = ps - 1; s>ss1; --s, --ps, --ns) // Here, ns = ps - 1 - if (*s=='=' && (*ps=='+' || *ps=='-' || *ps=='*' || *ps=='/' || *ps=='%' || - *ps=='&' || *ps=='^' || *ps=='|' || - (*ps=='>' && *ns=='>') || (*ps=='<' && *ns=='<')) && - level[s - expr._data]==clevel) { // Self-operators (+=,-=,*=,/=,%=,>>=,<<=,&=,^=,|=) - switch (*ps) { - case '+' : op = mp_self_add; _cimg_mp_op("Operator '+='"); break; - case '-' : op = mp_self_sub; _cimg_mp_op("Operator '-='"); break; - case '*' : op = mp_self_mul; _cimg_mp_op("Operator '*='"); break; - case '/' : op = mp_self_div; _cimg_mp_op("Operator '/='"); break; - case '%' : op = mp_self_modulo; _cimg_mp_op("Operator '%='"); break; - case '<' : op = mp_self_bitwise_left_shift; _cimg_mp_op("Operator '<<='"); break; - case '>' : op = mp_self_bitwise_right_shift; _cimg_mp_op("Operator '>=='"); break; - case '&' : op = mp_self_bitwise_and; _cimg_mp_op("Operator '&='"); break; - case '|' : op = mp_self_bitwise_or; _cimg_mp_op("Operator '|='"); break; - default : op = mp_self_pow; _cimg_mp_op("Operator '^='"); break; - } - s1 = *ps=='>' || *ps=='<'?ns:ps; - - ref.assign(7); - arg1 = compile(ss,s1,depth1,ref); // Variable slot - arg2 = compile(s + 1,se,depth1,0); // Value to apply - - if (*ref>0 && !_cimg_mp_is_temp(arg1)) { // Apply operator on a copy if necessary. - if (_cimg_mp_is_vector(arg1)) arg1 = vector_copy(arg1); - else arg1 = scalar1(mp_copy,arg1); - } - - if (*ref==1) { // Vector value (scalar): V[k] += scalar - _cimg_mp_check_type(arg2,2,1,0); - arg3 = ref[1]; // Vector slot - arg4 = ref[2]; // Index - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - CImg::vector((uptrT)op,arg1,arg2).move_to(code); - CImg::vector((uptrT)mp_vector_set_off,arg1,arg3,(uptrT)_cimg_mp_vector_size(arg3),arg4,arg1). - move_to(code); - _cimg_mp_return(arg1); - } - - if (*ref==2) { // Image value (scalar): i/j[_#ind,off] += scalar - _cimg_mp_check_type(arg2,2,1,0); - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // Offset - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - CImg::vector((uptrT)op,arg1,arg2).move_to(code); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(arg1); - CImg::vector((uptrT)(is_relative?mp_list_set_joff:mp_list_set_ioff), - arg1,p1,arg3).move_to(code); - } else { - if (!imgout) _cimg_mp_return(arg1); - CImg::vector((uptrT)(is_relative?mp_set_joff:mp_set_ioff), - arg1,arg3).move_to(code); - } - _cimg_mp_return(arg1); - } - - if (*ref==3) { // Image value (scalar): i/j(_#ind,_x,_y,_z,_c) += scalar - _cimg_mp_check_type(arg2,2,1,0); - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // X - arg4 = ref[4]; // Y - arg5 = ref[5]; // Z - arg6 = ref[6]; // C - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - CImg::vector((uptrT)op,arg1,arg2).move_to(code); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(arg1); - CImg::vector((uptrT)(is_relative?mp_list_set_jxyzc:mp_list_set_ixyzc), - arg1,p1,arg3,arg4,arg5,arg6).move_to(code); - } else { - if (!imgout) _cimg_mp_return(arg1); - CImg::vector((uptrT)(is_relative?mp_set_jxyzc:mp_set_ixyzc), - arg1,arg3,arg4,arg5,arg6).move_to(code); - } - _cimg_mp_return(arg1); - } - - if (*ref==4) { // Image value (vector): I/J[_#ind,off] += value - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // Offset - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - if (_cimg_mp_is_scalar(arg2)) self_vector_s(arg1,op,arg2); else self_vector_v(arg1,op,arg2); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(arg1); - CImg::vector((uptrT)(is_relative?mp_list_set_Joff_v:mp_list_set_Ioff_v), - arg1,p1,arg3).move_to(code); - } else { - if (!imgout) _cimg_mp_return(arg1); - CImg::vector((uptrT)(is_relative?mp_set_Joff_v:mp_set_Ioff_v), - arg1,arg3).move_to(code); - } - _cimg_mp_return(arg1); - } - - if (*ref==5) { // Image value (vector): I/J(_#ind,_x,_y,_z,_c) += value - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // X - arg4 = ref[4]; // Y - arg5 = ref[5]; // Z - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - if (_cimg_mp_is_scalar(arg2)) self_vector_s(arg1,op,arg2); else self_vector_v(arg1,op,arg2); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(arg1); - CImg::vector((uptrT)(is_relative?mp_list_set_Jxyz_v:mp_list_set_Ixyz_v), - arg1,p1,arg3,arg4,arg5).move_to(code); - } else { - if (!imgout) _cimg_mp_return(arg1); - CImg::vector((uptrT)(is_relative?mp_set_Jxyz_v:mp_set_Ixyz_v), - arg1,arg3,arg4,arg5).move_to(code); - } - _cimg_mp_return(arg1); - } - - if (_cimg_mp_is_vector(arg1)) { // Vector variable: V += value - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg2)) self_vector_v(arg1,op,arg2); // Vector += vector - else self_vector_s(arg1,op,arg2); // Vector += scalar - _cimg_mp_return(arg1); - } - - if (_cimg_mp_is_variable(arg1)) { // Scalar variable: s += scalar - _cimg_mp_check_type(arg2,2,1,0); - CImg::vector((uptrT)op,arg1,arg2).move_to(code); - _cimg_mp_return(arg1); - } - - variable_name.assign(ss,(unsigned int)(s - ss)).back() = 0; - *se = saved_char; cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: Invalid left-hand operand '%s', " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - variable_name._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - - for (s = ss1; s::vector((uptrT)mp_if,pos,arg1,arg2,arg3, - p3 - p2,code._width - p3,arg4).move_to(code,p2); - _cimg_mp_return(pos); - } - - for (s = se3, ns = se2; s>ss; --s, --ns) - if (*s=='|' && *ns=='|' && level[s - expr._data]==clevel) { // Logical or ('||') - _cimg_mp_op("Operator '||'"); - arg1 = compile(ss,s,depth1,0); - p2 = code._width; - arg2 = compile(s + 2,se,depth1,0); - _cimg_mp_check_type(arg1,1,1,0); - _cimg_mp_check_type(arg2,2,1,0); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) - _cimg_mp_constant(mem[arg1] || mem[arg2]); - pos = scalar(); - CImg::vector((uptrT)mp_logical_or,pos,arg1,arg2,code._width - p2). - move_to(code,p2); - _cimg_mp_return(pos); - } - - for (s = se3, ns = se2; s>ss; --s, --ns) - if (*s=='&' && *ns=='&' && level[s - expr._data]==clevel) { // Logical and ('&&') - _cimg_mp_op("Operator '&&'"); - arg1 = compile(ss,s,depth1,0); - p2 = code._width; - arg2 = compile(s + 2,se,depth1,0); - _cimg_mp_check_type(arg1,1,1,0); - _cimg_mp_check_type(arg2,2,1,0); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) - _cimg_mp_constant(mem[arg1] && mem[arg2]); - pos = scalar(); - CImg::vector((uptrT)mp_logical_and,pos,arg1,arg2,code._width - p2). - move_to(code,p2); - _cimg_mp_return(pos); - } - - for (s = se2; s>ss; --s) - if (*s=='|' && level[s - expr._data]==clevel) { // Bitwise or ('|') - _cimg_mp_op("Operator '|'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 1,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_bitwise_or,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_bitwise_or,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_bitwise_or,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) - _cimg_mp_constant((unsigned long)mem[arg1] | (unsigned long)mem[arg2]); - _cimg_mp_scalar2(mp_bitwise_or,arg1,arg2); - } - - for (s = se2; s>ss; --s) - if (*s=='&' && level[s - expr._data]==clevel) { // Bitwise and ('&') - _cimg_mp_op("Operator '&'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 1,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_bitwise_and,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_bitwise_and,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_bitwise_and,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) - _cimg_mp_constant((unsigned long)mem[arg1] & (unsigned long)mem[arg2]); - _cimg_mp_scalar2(mp_bitwise_and,arg1,arg2); - } - - for (s = se3, ns = se2; s>ss; --s, --ns) - if (*s=='!' && *ns=='=' && level[s - expr._data]==clevel) { // Not equal to ('!=') - _cimg_mp_op("Operator '!='"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 2,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_neq,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_neq,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_neq,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) _cimg_mp_constant(mem[arg1]!=mem[arg2]); - _cimg_mp_scalar2(mp_neq,arg1,arg2); - } - - for (s = se3, ns = se2; s>ss; --s, --ns) - if (*s=='=' && *ns=='=' && level[s - expr._data]==clevel) { // Equal to ('==') - _cimg_mp_op("Operator '=='"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 2,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_eq,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_eq,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_eq,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) _cimg_mp_constant(mem[arg1]==mem[arg2]); - _cimg_mp_scalar2(mp_eq,arg1,arg2); - } - - for (s = se3, ns = se2; s>ss; --s, --ns) - if (*s=='<' && *ns=='=' && level[s - expr._data]==clevel) { // Less or equal than ('<=') - _cimg_mp_op("Operator '<='"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 2,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_lte,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_lte,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_lte,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) _cimg_mp_constant(mem[arg1]<=mem[arg2]); - _cimg_mp_scalar2(mp_lte,arg1,arg2); - } - - for (s = se3, ns = se2; s>ss; --s, --ns) - if (*s=='>' && *ns=='=' && level[s - expr._data]==clevel) { // Greater or equal than ('>=') - _cimg_mp_op("Operator '>='"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 2,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_gte,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_gte,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_gte,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) _cimg_mp_constant(mem[arg1]>=mem[arg2]); - _cimg_mp_scalar2(mp_gte,arg1,arg2); - } - - for (s = se2, ns = se1, ps = se3; s>ss; --s, --ns, --ps) - if (*s=='<' && *ns!='<' && *ps!='<' && level[s - expr._data]==clevel) { // Less than ('<') - _cimg_mp_op("Operator '<'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 1,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_lt,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_lt,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_lt,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) _cimg_mp_constant(mem[arg1]ss; --s, --ns, --ps) - if (*s=='>' && *ns!='>' && *ps!='>' && level[s - expr._data]==clevel) { // Greather than ('>') - _cimg_mp_op("Operator '>'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 1,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_gt,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_gt,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_gt,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) _cimg_mp_constant(mem[arg1]>mem[arg2]); - _cimg_mp_scalar2(mp_gt,arg1,arg2); - } - - for (s = se3, ns = se2; s>ss; --s, --ns) - if (*s=='<' && *ns=='<' && level[s - expr._data]==clevel) { // Left bit shift ('<<') - _cimg_mp_op("Operator '<<'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 2,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) - _cimg_mp_vector2_vv(mp_bitwise_left_shift,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) - _cimg_mp_vector2_vs(mp_bitwise_left_shift,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) - _cimg_mp_vector2_sv(mp_bitwise_left_shift,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) - _cimg_mp_constant((long)mem[arg1]<<(unsigned int)mem[arg2]); - _cimg_mp_scalar2(mp_bitwise_left_shift,arg1,arg2); - } - - for (s = se3, ns = se2; s>ss; --s, --ns) - if (*s=='>' && *ns=='>' && level[s - expr._data]==clevel) { // Right bit shift ('>>') - _cimg_mp_op("Operator '>>'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 2,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) - _cimg_mp_vector2_vv(mp_bitwise_right_shift,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) - _cimg_mp_vector2_vs(mp_bitwise_right_shift,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) - _cimg_mp_vector2_sv(mp_bitwise_right_shift,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) - _cimg_mp_constant((long)mem[arg1]>>(unsigned int)mem[arg2]); - _cimg_mp_scalar2(mp_bitwise_right_shift,arg1,arg2); - } - - for (ns = se1, s = se2, ps = pexpr._data + (se3 - expr._data); s>ss; --ns, --s, --ps) - if (*s=='+' && (*ns!='+' || ns!=se1) && *ps!='-' && *ps!='+' && *ps!='*' && *ps!='/' && *ps!='%' && - *ps!='&' && *ps!='|' && *ps!='^' && *ps!='!' && *ps!='~' && *ps!='#' && - (*ps!='e' || !(ps - pexpr._data>ss - expr._data && (*(ps - 1)=='.' || (*(ps - 1)>='0' && - *(ps - 1)<='9')))) && - level[s - expr._data]==clevel) { // Addition ('+') - _cimg_mp_op("Operator '+'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 1,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_add,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_add,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_add,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) _cimg_mp_constant(mem[arg1] + mem[arg2]); - if (arg2==1) _cimg_mp_scalar1(mp_increment,arg1); - if (arg1==1) _cimg_mp_scalar1(mp_increment,arg2); - _cimg_mp_scalar2(mp_add,arg1,arg2); - } - - for (ns = se1, s = se2, ps = pexpr._data + (se3 - expr._data); s>ss; --ns, --s, --ps) - if (*s=='-' && (*ns!='-' || ns!=se1) && *ps!='-' && *ps!='+' && *ps!='*' && *ps!='/' && *ps!='%' && - *ps!='&' && *ps!='|' && *ps!='^' && *ps!='!' && *ps!='~' && *ps!='#' && - (*ps!='e' || !(ps - pexpr._data>ss - expr._data && (*(ps - 1)=='.' || (*(ps - 1)>='0' && - *(ps - 1)<='9')))) && - level[s - expr._data]==clevel) { // Subtraction ('-') - _cimg_mp_op("Operator '-'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 1,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_sub,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_sub,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_sub,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) _cimg_mp_constant(mem[arg1] - mem[arg2]); - if (arg2==1) _cimg_mp_scalar1(mp_decrement,arg1); - _cimg_mp_scalar2(mp_sub,arg1,arg2); - } - - for (s = se3, ns = se2; s>ss; --s, --ns) - if (*s=='*' && *ns=='*' && level[s - expr._data]==clevel) { // Complex/matrix multiplication ('**') - _cimg_mp_op("Operator '**'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 2,se,depth1,0); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) { - if (_cimg_mp_vector_size(arg1)==2 && _cimg_mp_vector_size(arg2)==2) { // Complex multiplication - pos = vector(2); - CImg::vector((uptrT)mp_complex_mul,pos,arg1,arg2).move_to(code); - _cimg_mp_return(pos); - } else { // Matrix multiplication - p1 = _cimg_mp_vector_size(arg1); - p2 = _cimg_mp_vector_size(arg2); - arg4 = p1/p2; - if (arg4*p2!=p1) { - *se = saved_char; cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: Types of left-hand and right-hand operands " - "('%s' and '%s') do not match, in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - s_type(arg1)._data,s_type(arg2)._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - pos = vector(arg4); - CImg::vector((uptrT)mp_matrix_mul,pos,arg1,arg2,arg4,p2,1).move_to(code); - _cimg_mp_return(pos); - } - } - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_mul,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_mul,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) _cimg_mp_constant(mem[arg1]*mem[arg2]); - _cimg_mp_scalar2(mp_mul,arg1,arg2); - } - - for (s = se3, ns = se2; s>ss; --s, --ns) - if (*s=='/' && *ns=='/' && level[s - expr._data]==clevel) { // Complex division ('//') - _cimg_mp_op("Operator '//'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 2,se,depth1,0); - _cimg_mp_check_type(arg1,1,3,2); - _cimg_mp_check_type(arg2,2,3,2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) { - pos = vector(2); - CImg::vector((uptrT)mp_complex_div_vv,pos,arg1,arg2).move_to(code); - _cimg_mp_return(pos); - } - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_div,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) { - pos = vector(2); - CImg::vector((uptrT)mp_complex_div_sv,pos,arg1,arg2).move_to(code); - _cimg_mp_return(pos); - } - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) _cimg_mp_constant(mem[arg1]/mem[arg2]); - _cimg_mp_scalar2(mp_div,arg1,arg2); - } - - for (s = se2; s>ss; --s) if (*s=='*' && level[s - expr._data]==clevel) { // Multiplication ('*') - _cimg_mp_op("Operator '*'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 1,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_mul,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_mul,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_mul,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) _cimg_mp_constant(mem[arg1]*mem[arg2]); - _cimg_mp_scalar2(mp_mul,arg1,arg2); - } - - - for (s = se2; s>ss; --s) if (*s=='/' && level[s - expr._data]==clevel) { // Division ('/') - _cimg_mp_op("Operator '/'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 1,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_div,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_div,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_div,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) _cimg_mp_constant(mem[arg1]/mem[arg2]); - _cimg_mp_scalar2(mp_div,arg1,arg2); - } - - for (s = se2, ns = se1; s>ss; --s, --ns) - if (*s=='%' && *ns!='^' && level[s - expr._data]==clevel) { // Modulo ('%') - _cimg_mp_op("Operator '%'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 1,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_modulo,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_modulo,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_modulo,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) - _cimg_mp_constant(cimg::mod(mem[arg1],mem[arg2])); - _cimg_mp_scalar2(mp_modulo,arg1,arg2); - } - - if (se1>ss) { - if (*ss=='+' && (*ss1!='+' || (ss2='0' && *ss2<='9'))) { // Unary plus ('+') - _cimg_mp_op("Operator '+'"); - _cimg_mp_return(compile(ss1,se,depth1,0)); - } - - if (*ss=='-' && (*ss1!='-' || (ss2='0' && *ss2<='9'))) { // Unary minus ('-') - _cimg_mp_op("Operator '-'"); - arg1 = compile(ss1,se,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_minus,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(-mem[arg1]); - _cimg_mp_scalar1(mp_minus,arg1); - } - - if (*ss=='!') { // Logical not ('!') - _cimg_mp_op("Operator '!'"); - arg1 = compile(ss1,se,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_logical_not,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(!mem[arg1]); - _cimg_mp_scalar1(mp_logical_not,arg1); - } - - if (*ss=='~') { // Bitwise not ('~') - _cimg_mp_op("Operator '~'"); - arg1 = compile(ss1,se,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_bitwise_not,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(~(unsigned long)mem[arg1]); - _cimg_mp_scalar1(mp_bitwise_not,arg1); - } - } - - for (s = se3, ns = se2; s>ss; --s, --ns) - if (*s=='^' && *ns=='^' && level[s - expr._data]==clevel) { // Complex power ('^^') - _cimg_mp_op("Operator '^^'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 2,se,depth1,0); - _cimg_mp_check_type(arg1,1,3,2); - _cimg_mp_check_type(arg2,2,3,2); - pos = (_cimg_mp_is_vector(arg1) || _cimg_mp_is_vector(arg2))?vector(2):0; - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) { - CImg::vector((uptrT)mp_complex_pow_vv,pos,arg1,arg2).move_to(code); - _cimg_mp_return(pos); - } - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) { - CImg::vector((uptrT)mp_complex_pow_vs,pos,arg1,arg2).move_to(code); - _cimg_mp_return(pos); - } - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) { - CImg::vector((uptrT)mp_complex_pow_sv,pos,arg1,arg2).move_to(code); - _cimg_mp_return(pos); - } - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) - _cimg_mp_constant(std::pow(mem[arg1],mem[arg2])); - switch (arg2) { - case 0 : _cimg_mp_return(1); - case 1 : _cimg_mp_return(arg1); - case 2 : _cimg_mp_scalar1(mp_sqr,arg1); - case 3 : _cimg_mp_scalar1(mp_pow3,arg1); - case 4 : _cimg_mp_scalar1(mp_pow4,arg1); - default : _cimg_mp_scalar2(mp_pow,arg1,arg2); - } - } - - for (s = se2; s>ss; --s) - if (*s=='^' && level[s - expr._data]==clevel) { // Power ('^') - _cimg_mp_op("Operator '^'"); - arg1 = compile(ss,s,depth1,0); - arg2 = compile(s + 1,se,depth1,0); - _cimg_mp_check_type(arg2,2,3,_cimg_mp_vector_size(arg1)); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_vv(mp_pow,arg1,arg2); - if (_cimg_mp_is_vector(arg1) && _cimg_mp_is_scalar(arg2)) _cimg_mp_vector2_vs(mp_pow,arg1,arg2); - if (_cimg_mp_is_scalar(arg1) && _cimg_mp_is_vector(arg2)) _cimg_mp_vector2_sv(mp_pow,arg1,arg2); - if (_cimg_mp_is_constant(arg1) && _cimg_mp_is_constant(arg2)) - _cimg_mp_constant(std::pow(mem[arg1],mem[arg2])); - switch (arg2) { - case 0 : _cimg_mp_return(1); - case 1 : _cimg_mp_return(arg1); - case 2 : _cimg_mp_scalar1(mp_sqr,arg1); - case 3 : _cimg_mp_scalar1(mp_pow3,arg1); - case 4 : _cimg_mp_scalar1(mp_pow4,arg1); - default : _cimg_mp_scalar2(mp_pow,arg1,arg2); - } - } - - is_sth = ss1ss && (*se1=='+' || *se1=='-') && *se2==*se1)) { // Pre/post-decrement and increment - if ((is_sth && *ss=='+') || (!is_sth && *se1=='+')) { - _cimg_mp_op("Operator '++'"); - op = mp_self_increment; - } else { - _cimg_mp_op("Operator '--'"); - op = mp_self_decrement; - } - ref.assign(7); - arg1 = is_sth?compile(ss2,se,depth1,ref):compile(ss,se2,depth1,ref); // Variable slot - - if (*ref>0 && !_cimg_mp_is_temp(arg1)) { // Apply operator on a copy if necessary. - if (_cimg_mp_is_vector(arg1)) arg1 = vector_copy(arg1); - else arg1 = scalar1(mp_copy,arg1); - } - - if (is_sth) pos = arg1; // Determine return indice, depending on pre/post action - else { - if (_cimg_mp_is_vector(arg1)) pos = vector_copy(arg1); - else pos = scalar1(mp_copy,arg1); - } - - if (*ref==1) { // Vector value (scalar): V[k]++ - arg3 = ref[1]; // Vector slot - arg4 = ref[2]; // Index - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - CImg::vector((uptrT)op,arg1,1).move_to(code); - CImg::vector((uptrT)mp_vector_set_off,arg1,arg3,(uptrT)_cimg_mp_vector_size(arg3),arg4,arg1). - move_to(code); - _cimg_mp_return(pos); - } - - if (*ref==2) { // Image value (scalar): i/j[_#ind,off]++ - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // Offset - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - CImg::vector((uptrT)op,arg1).move_to(code); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(pos); - CImg::vector((uptrT)(is_relative?mp_list_set_joff:mp_list_set_ioff), - arg1,p1,arg3).move_to(code); - } else { - if (!imgout) _cimg_mp_return(pos); - CImg::vector((uptrT)(is_relative?mp_set_joff:mp_set_ioff), - arg1,arg3).move_to(code); - } - _cimg_mp_return(pos); - } - - if (*ref==3) { // Image value (scalar): i/j(_#ind,_x,_y,_z,_c)++ - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // X - arg4 = ref[4]; // Y - arg5 = ref[5]; // Z - arg6 = ref[6]; // C - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - CImg::vector((uptrT)op,arg1).move_to(code); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(pos); - CImg::vector((uptrT)(is_relative?mp_list_set_jxyzc:mp_list_set_ixyzc), - arg1,p1,arg3,arg4,arg5,arg6).move_to(code); - } else { - if (!imgout) _cimg_mp_return(pos); - CImg::vector((uptrT)(is_relative?mp_set_jxyzc:mp_set_ixyzc), - arg1,arg3,arg4,arg5,arg6).move_to(code); - } - _cimg_mp_return(pos); - } - - if (*ref==4) { // Image value (vector): I/J[_#ind,off]++ - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // Offset - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - self_vector_s(arg1,op==mp_self_increment?mp_self_add:mp_self_sub,1); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(pos); - CImg::vector((uptrT)(is_relative?mp_list_set_Joff_v:mp_list_set_Ioff_v), - arg1,p1,arg3).move_to(code); - } else { - if (!imgout) _cimg_mp_return(pos); - CImg::vector((uptrT)(is_relative?mp_set_Joff_v:mp_set_Ioff_v), - arg1,arg3).move_to(code); - } - _cimg_mp_return(pos); - } - - if (*ref==5) { // Image value (vector): I/J(_#ind,_x,_y,_z,_c)++ - is_parallelizable = false; - p1 = ref[1]; // Index - is_relative = (bool)ref[2]; - arg3 = ref[3]; // X - arg4 = ref[4]; // Y - arg5 = ref[5]; // Z - if (p_ref) std::memcpy(p_ref,ref,ref._width*sizeof(unsigned int)); - self_vector_s(arg1,op==mp_self_increment?mp_self_add:mp_self_sub,1); - if (p1!=~0U) { - if (!listout) _cimg_mp_return(pos); - CImg::vector((uptrT)(is_relative?mp_list_set_Jxyz_v:mp_list_set_Ixyz_v), - arg1,p1,arg3,arg4,arg5).move_to(code); - } else { - if (!imgout) _cimg_mp_return(pos); - CImg::vector((uptrT)(is_relative?mp_set_Jxyz_v:mp_set_Ixyz_v), - arg1,arg3,arg4,arg5).move_to(code); - } - _cimg_mp_return(pos); - } - - if (_cimg_mp_is_vector(arg1)) { // Vector variable: V++ - self_vector_s(arg1,op==mp_self_increment?mp_self_add:mp_self_sub,1); - _cimg_mp_return(pos); - } - - if (_cimg_mp_is_variable(arg1)) { // Scalar variable: s++ - CImg::vector((uptrT)op,arg1).move_to(code); - _cimg_mp_return(pos); - } - - if (is_sth) variable_name.assign(ss2,(unsigned int)(se - ss1)); - else variable_name.assign(ss,(unsigned int)(se1 - ss)); - variable_name.back() = 0; - *se = saved_char; cimg::strellipsize(variable_name,64); cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: Invalid operand '%s', " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - variable_name._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - - // Array-like access to vectors and image values 'i/j[_#ind,offset,_boundary]' and 'vector[offset]'. - if (*se1==']' && *ss!='[') { - _cimg_mp_op("Operator '[]'"); - is_relative = *ss=='j' || *ss=='J'; - - if ((*ss=='I' || *ss=='J') && *ss1=='[' && - (reserved_label[*ss]==~0U || !_cimg_mp_is_vector(reserved_label[*ss]))) { // Image value as a vector - if (*ss2=='#') { // Index specified - s0 = ss3; while (s0::vector((uptrT)(is_relative?mp_list_Joff:mp_list_Ioff), - pos,p1,arg1,arg2==~0U?reserved_label[30]:arg2).move_to(code); - } else { - need_input_copy = true; - CImg::vector((uptrT)(is_relative?mp_Joff:mp_Ioff), - pos,arg1,arg2==~0U?reserved_label[30]:arg2).move_to(code); - } - _cimg_mp_return(pos); - } - - if ((*ss=='i' || *ss=='j') && *ss1=='[' && - (reserved_label[*ss]==~0U || !_cimg_mp_is_vector(reserved_label[*ss]))) { // Image value as a scalar - if (*ss2=='#') { // Index specified - s0 = ss3; while (s0ss && *s0!='[') --s0; - if (s0>ss) { // Vector value - arg1 = compile(ss,s0,depth1,0); - s1 = s0 + 1; while (s1 sub-vector extraction - arg2 = compile(++s0,s1,depth1,0); - arg3 = compile(++s1,se1,depth1,0); - _cimg_mp_check_constant(arg2,1,false); - _cimg_mp_check_constant(arg3,2,false); - p1 = (unsigned int)mem[arg2]; - p2 = (unsigned int)mem[arg3]; - p3 = _cimg_mp_vector_size(arg1); - if (p1>=p3 || p2>=p3) { - variable_name.assign(ss,(unsigned int)(s0 - ss)).back() = 0; - *se = saved_char; cimg::strellipsize(variable_name,64); cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: Out-of-bounds request for sub-vector '%s[%d,%d]' " - "(vector '%s' has dimension %u), " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - variable_name._data,(int)mem[arg2],(int)mem[arg3], - variable_name._data,p3, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - if (p1>p2) cimg::swap(p1,p2); - (p2-=p1)++; - pos = vector(p2); - CImg::vector((uptrT)mp_vector_crop,pos,arg1,p1,p2).move_to(code); - _cimg_mp_return(pos); - } - - // One argument -> vector value reference - if (_cimg_mp_is_scalar(arg1)) { - variable_name.assign(ss,(unsigned int)(s0 - ss)).back() = 0; - *se = saved_char; cimg::strellipsize(variable_name,64); cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: Array brackets used on non-vector variable '%s', " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - variable_name._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - - arg2 = compile(++s0,se1,depth1,0); - if (_cimg_mp_is_constant(arg2)) { // Constant index - nb = (int)mem[arg2]; - if (nb>=0 && nb<(int)_cimg_mp_vector_size(arg1)) _cimg_mp_return(arg1 + 1 + nb); - variable_name.assign(ss,(unsigned int)(s0 - ss)).back() = 0; - *se = saved_char; cimg::strellipsize(variable_name,64); cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: Out-of-bounds reference '%s[%d]' " - "(vector '%s' has dimension %u), " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function, - variable_name._data,nb, - variable_name._data,_cimg_mp_vector_size(arg1), - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - if (p_ref) { - *p_ref = 1; - p_ref[1] = arg1; - p_ref[2] = arg2; - if (_cimg_mp_is_temp(arg2)) memtype[arg2] = -1; // Prevent from being used in further optimization - } - _cimg_mp_scalar3(mp_vector_off,arg1,(uptrT)_cimg_mp_vector_size(arg1),arg2); - } - } - - // Look for a function call, an access to image value, or a parenthesis. - if (*se1==')') { - if (*ss=='(') _cimg_mp_return(compile(ss1,se1,depth1,p_ref)); // Simple parentheses - is_relative = *ss=='j' || *ss=='J'; - _cimg_mp_op("Operator '()'"); - - // I/J(_#ind,_x,_y,_z,_interpolation,_boundary) - if ((*ss=='I' || *ss=='J') && *ss1=='(') { // Image value as scalar - if (*ss2=='#') { // Index specified - s0 = ss3; while (s01) { - arg2 = arg1 + 1; - if (p2>2) arg3 = arg2 + 1; - } - if (s1::vector((uptrT)(is_relative?mp_list_Jxyz:mp_list_Ixyz), - pos,p1,arg1,arg2,arg3, - arg4==~0U?reserved_label[29]:arg4, - arg5==~0U?reserved_label[30]:arg5).move_to(code); - else { - need_input_copy = true; - CImg::vector((uptrT)(is_relative?mp_Jxyz:mp_Ixyz), - pos,arg1,arg2,arg3, - arg4==~0U?reserved_label[29]:arg4, - arg5==~0U?reserved_label[30]:arg5).move_to(code); - } - _cimg_mp_return(pos); - } - - // i/j(_#ind,_x,_y,_z,_c,_interpolation,_boundary) - if ((*ss=='i' || *ss=='j') && *ss1=='(') { // Image value as scalar - if (*ss2=='#') { // Index specified - s0 = ss3; while (s01) { - arg2 = arg1 + 1; - if (p2>2) { - arg3 = arg2 + 1; - if (p2>3) arg4 = arg3 + 1; - } - } - if (s1::vector((uptrT)mp_complex_conj,pos,arg1).move_to(code); - _cimg_mp_return(pos); - } - - if (!std::strncmp(ss,"cexp(",5)) { // Complex exponential - _cimg_mp_op("Function 'cexp()'"); - arg1 = compile(ss5,se1,depth1,0); - _cimg_mp_check_type(arg1,0,2,2); - pos = vector(2); - CImg::vector((uptrT)mp_complex_exp,pos,arg1).move_to(code); - _cimg_mp_return(pos); - } - - if (!std::strncmp(ss,"clog(",5)) { // Complex logarithm - _cimg_mp_op("Function 'clog()'"); - arg1 = compile(ss5,se1,depth1,0); - _cimg_mp_check_type(arg1,0,2,2); - pos = vector(2); - CImg::vector((uptrT)mp_complex_log,pos,arg1).move_to(code); - _cimg_mp_return(pos); - } - - if (!std::strncmp(ss,"copy(",5)) { // Memory copy - _cimg_mp_op("Function 'copy()'"); - ref.assign(14); - s1 = ss5; while (s1(1,21).move_to(code); - code.back().get_shared_rows(0,6).fill((uptrT)mp_memcopy,p1,arg1,arg2,arg3,arg4,arg5); - code.back().get_shared_rows(7,20).fill(ref); - _cimg_mp_return(p1); - } - - if (!std::strncmp(ss,"cos(",4)) { // Cosine - _cimg_mp_op("Function 'cos()'"); - arg1 = compile(ss4,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_cos,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(std::cos(mem[arg1])); - _cimg_mp_scalar1(mp_cos,arg1); - } - - if (!std::strncmp(ss,"cosh(",5)) { // Hyperbolic cosine - _cimg_mp_op("Function 'cosh()'"); - arg1 = compile(ss5,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_cosh,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(std::cosh(mem[arg1])); - _cimg_mp_scalar1(mp_cosh,arg1); - } - - if (!std::strncmp(ss,"crop(",5)) { // Image crop - _cimg_mp_op("Function 'crop()'"); - if (*ss5=='#') { // Index specified - s0 = ss6; while (s0::sequence((uptrT)_cimg_mp_vector_size(arg1),arg1 + 1, - arg1 + (uptrT)_cimg_mp_vector_size(arg1)); - opcode.resize(1,cimg::min(opcode._height,4U),1,1,0).move_to(_opcode); - is_sth = true; - } else { - _cimg_mp_check_type(arg1,pos + 1,1,0); - CImg::vector(arg1).move_to(_opcode); - } - s = ns; - } - (_opcode>'y').move_to(opcode); - - arg1 = 0; arg2 = p1!=~0U?1:0; - switch (opcode._height) { - case 0 : case 1 : - CImg::vector(0,0,0,0,~0U,~0U,~0U,~0U,0).move_to(opcode); - break; - case 2 : - CImg::vector(*opcode,0,0,0,opcode[1],~0U,~0U,~0U,reserved_label[30]).move_to(opcode); - arg1 = arg2?3:2; - break; - case 3 : - CImg::vector(*opcode,0,0,0,opcode[1],~0U,~0U,~0U,opcode[2]).move_to(opcode); - arg1 = arg2?3:2; - break; - case 4 : - CImg::vector(*opcode,opcode[1],0,0,opcode[2],opcode[3],~0U,~0U,reserved_label[30]). - move_to(opcode); - arg1 = (is_sth?2:1) + arg2; - break; - case 5 : - CImg::vector(*opcode,opcode[1],0,0,opcode[2],opcode[3],~0U,~0U,opcode[4]). - move_to(opcode); - arg1 = (is_sth?2:1) + arg2; - break; - case 6 : - CImg::vector(*opcode,opcode[1],opcode[2],0,opcode[3],opcode[4],opcode[5],~0U, - reserved_label[30]).move_to(opcode); - arg1 = (is_sth?2:4) + arg2; - break; - case 7 : - CImg::vector(*opcode,opcode[1],opcode[2],0,opcode[3],opcode[4],opcode[5],~0U, - opcode[6]).move_to(opcode); - arg1 = (is_sth?2:4) + arg2; - break; - case 8 : - CImg::vector(*opcode,opcode[1],opcode[2],opcode[3],opcode[4],opcode[5],opcode[6], - opcode[7],reserved_label[30]).move_to(opcode); - arg1 = (is_sth?2:5) + arg2; - break; - case 9 : - arg1 = (is_sth?2:5) + arg2; - break; - default : // Error -> too much arguments - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: Too much arguments specified, " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - _cimg_mp_check_type(*opcode,arg2 + 1,1,0); - _cimg_mp_check_type(opcode[1],arg2 + (is_sth?0:1),1,0); - _cimg_mp_check_type(opcode[2],arg2 + (is_sth?0:2),1,0); - _cimg_mp_check_type(opcode[3],arg2 + (is_sth?0:3),1,0); - - if (opcode[4]!=(uptrT)~0U) { - _cimg_mp_check_constant(opcode[4],arg1,true); - opcode[4] = (uptrT)mem[opcode[4]]; - } - if (opcode[5]!=(uptrT)~0U) { - _cimg_mp_check_constant(opcode[5],arg1 + 1,true); - opcode[5] = (uptrT)mem[opcode[5]]; - } - if (opcode[6]!=(uptrT)~0U) { - _cimg_mp_check_constant(opcode[6],arg1 + 2,true); - opcode[6] = (uptrT)mem[opcode[6]]; - } - if (opcode[7]!=(uptrT)~0U) { - _cimg_mp_check_constant(opcode[7],arg1 + 3,true); - opcode[7] = (uptrT)mem[opcode[7]]; - } - _cimg_mp_check_type(opcode[8],arg1 + 4,1,0); - - if (opcode[4]==(uptrT)~0U || opcode[5]==(uptrT)~0U || - opcode[6]==(uptrT)~0U || opcode[7]==(uptrT)~0U) { - if (p1!=~0U) { - _cimg_mp_check_constant(p1,1,false); - p1 = (unsigned int)cimg::mod((int)mem[p1],listin.width()); - } - const CImg &img = p1!=~0U?listin[p1]:imgin; - if (!img) - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: Cannot crop empty image when " - "some xyzc-coordinates are unspecified, in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - if (opcode[4]==(uptrT)~0U) opcode[4] = (uptrT)img._width; - if (opcode[5]==(uptrT)~0U) opcode[5] = (uptrT)img._height; - if (opcode[6]==(uptrT)~0U) opcode[6] = (uptrT)img._depth; - if (opcode[7]==(uptrT)~0U) opcode[7] = (uptrT)img._spectrum; - } - - pos = vector(opcode[4]*opcode[5]*opcode[6]*opcode[7]); - CImg::vector((uptrT)mp_crop, - pos,p1, - *opcode,opcode[1],opcode[2],opcode[3], - opcode[4],opcode[5],opcode[6],opcode[7], - opcode[8]).move_to(code); - _cimg_mp_return(pos); - } - - if (!std::strncmp(ss,"cross(",6)) { // Cross product - _cimg_mp_op("Function 'cross()'"); - s1 = ss6; while (s1::vector((uptrT)mp_cross,pos,arg1,arg2).move_to(code); - _cimg_mp_return(pos); - } - - if (!std::strncmp(ss,"cut(",4)) { // Cut - _cimg_mp_op("Function 'cut()'"); - s1 = ss4; while (s1val2?val2:val); - } - _cimg_mp_scalar3(mp_cut,arg1,arg2,arg3); - } - break; - - case 'd' : - if (!std::strncmp(ss,"date(",5)) { // Date and file date - _cimg_mp_op("Function 'date()'"); - s1 = ss5; while (s1::vector((uptrT)mp_debug,arg1,code._width - p1), - CImg::string(ss6).unroll('y'))>'y').move_to(code,p1); - *se1 = ')'; - _cimg_mp_return(arg1); - } - - if (!std::strncmp(ss,"det(",4)) { // Matrix determinant - _cimg_mp_op("Function 'det()'"); - arg1 = compile(ss4,se1,depth1,0); - _cimg_mp_check_matrix_square(arg1,1); - p1 = (unsigned int)std::sqrt((float)_cimg_mp_vector_size(arg1)); - _cimg_mp_scalar2(mp_det,arg1,p1); - } - - if (!std::strncmp(ss,"diag(",5)) { // Diagonal matrix - _cimg_mp_op("Function 'diag()'"); - arg1 = compile(ss5,se1,depth1,0); - _cimg_mp_check_type(arg1,1,2,0); - p1 = _cimg_mp_vector_size(arg1); - pos = vector(p1*p1); - CImg::vector((uptrT)mp_diag,pos,arg1,p1).move_to(code); - _cimg_mp_return(pos); - } - - if (!std::strncmp(ss,"dot(",4)) { // Dot product - _cimg_mp_op("Function 'dot()'"); - s1 = ss4; while (s1::vector((uptrT)mp_dowhile,arg1,arg2,code._width - p1).move_to(code,p1); - _cimg_mp_return(arg1); - } - - if (!std::strncmp(ss,"draw(",5)) { // Draw image - _cimg_mp_op("Function 'draw()'"); - is_parallelizable = false; - if (*ss5=='#') { // Index specified - s0 = ss6; while (s01) { - arg3 = arg2 + 1; - if (p2>2) { - arg4 = arg3 + 1; - if (p2>3) arg5 = arg4 + 1; - } - } - ++s0; - is_sth = true; - } else { - if (s0::vector((uptrT)mp_draw,arg1,p1,arg2,arg3,arg4,arg5,0,0,0,0,1,(uptrT)-1,0,1). - move_to(opcode); - - arg2 = arg3 = arg4 = arg5 = ~0U; - p2 = p1!=~0U?0:1; - if (s0 &img = p1!=~0U?listout[p1]:imgout; - if (arg2==~0U) arg2 = img._width; - if (arg3==~0U) arg3 = img._height; - if (arg4==~0U) arg4 = img._depth; - if (arg5==~0U) arg5 = img._spectrum; - } - if (arg2*arg3*arg4*arg5!=_cimg_mp_vector_size(arg1)) { - *se = saved_char; cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: Type of %s argument ('%s') and specified size " - "(%u,%u,%u,%u) do not match, in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - p1==~0U?"first":"second",s_type(arg1)._data, - arg2,arg3,arg4,arg5, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - opcode[7] = (uptrT)arg2; - opcode[8] = (uptrT)arg3; - opcode[9] = (uptrT)arg4; - opcode[10] = (uptrT)arg5; - - if (s0::%s: %s: Type of opacity mask ('%s') and specified size " - "(%u,%u,%u,%u) do not match, in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - s_type(p2)._data, - arg2,arg3,arg4,arg5, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - opcode[12] = p2; - opcode[13] = _cimg_mp_vector_size(p2)/(arg2*arg3*arg4); - p3 = s0::vector((uptrT)mp_eig,pos,arg1,p1).move_to(code); - _cimg_mp_return(pos); - } - - if (!std::strncmp(ss,"exp(",4)) { // Exponential - _cimg_mp_op("Function 'exp()'"); - arg1 = compile(ss4,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_exp,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(std::exp(mem[arg1])); - _cimg_mp_scalar1(mp_exp,arg1); - } - - if (!std::strncmp(ss,"eye(",4)) { // Identity matrix - _cimg_mp_op("Function 'eye()'"); - arg1 = compile(ss4,se1,depth1,0); - _cimg_mp_check_constant(arg1,1,true); - p1 = (unsigned int)mem[arg1]; - pos = vector(p1*p1); - CImg::vector((uptrT)mp_eye,pos,p1).move_to(code); - _cimg_mp_return(pos); - } - break; - - case 'f' : - if (*ss1=='o' && *ss2=='r' && (*ss3=='(' || (*ss3 && *ss3<=' ' && *ss4=='('))) { // For loop - _cimg_mp_op("Function 'for()'"); - if (*ss3<=' ') cimg::swap(*ss3,*ss4); // Allow space before opening brace - s1 = ss4; while (s1::vector((uptrT)mp_whiledo,pos,arg1,p2 - p1,code._width - p2,arg2).move_to(code,p1); - _cimg_mp_return(pos); - } - break; - - case 'g' : - if (!std::strncmp(ss,"gauss(",6)) { // Gaussian function - _cimg_mp_op("Function 'gauss()'"); - s1 = ss6; while (s10) { val/=val1; _cimg_mp_constant(val1*std::sqrt(1+val*val)); } - _cimg_mp_constant(0); - } - _cimg_mp_scalar2(mp_hypot,arg1,arg2); - } - break; - - case 'i' : - if (*ss1=='f' && (*ss2=='(' || (*ss2 && *ss2<=' ' && *ss3=='('))) { // If..then[..else.] - _cimg_mp_op("Function 'if()'"); - if (*ss2<=' ') cimg::swap(*ss2,*ss3); // Allow space before opening brace - s1 = ss3; while (s1::vector((uptrT)mp_if,pos,arg1,arg2,arg3, - p3 - p2,code._width - p3,arg4).move_to(code,p2); - _cimg_mp_return(pos); - } - - if (!std::strncmp(ss,"init(",5)) { // Init - _cimg_mp_op("Function 'init()'"); - if (ss0!=expr._data || code.width()) { // (only allowed as the first instruction) - *se = saved_char; cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: %s: Init invokation not done at the " - "beginning of expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - arg1 = compile(ss5,se1,depth1,p_ref); - init_size = code.width(); - _cimg_mp_return(arg1); - } - - if (!std::strncmp(ss,"int(",4)) { // Integer cast - _cimg_mp_op("Function 'int()'"); - arg1 = compile(ss4,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_int,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant((long)mem[arg1]); - _cimg_mp_scalar1(mp_int,arg1); - } - - if (!std::strncmp(ss,"inv(",4)) { // Matrix/scalar inversion - _cimg_mp_op("Function 'inv()'"); - arg1 = compile(ss4,se1,depth1,0); - _cimg_mp_check_matrix_square(arg1,1); - p1 = (unsigned int)std::sqrt((float)_cimg_mp_vector_size(arg1)); - pos = vector(p1*p1); - CImg::vector((uptrT)mp_inv,pos,arg1,p1).move_to(code); - _cimg_mp_return(pos); - } - - if (*ss1=='s') { // Family of 'is_?()' functions - - if (!std::strncmp(ss,"isbool(",7)) { // Is boolean? - _cimg_mp_op("Function 'isbool()'"); - if (ss7==se1) _cimg_mp_return(0); - arg1 = compile(ss7,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_isbool,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_return(mem[arg1]==0.0 || mem[arg1]==1.0); - _cimg_mp_scalar1(mp_isbool,arg1); - } - - if (!std::strncmp(ss,"isdir(",6)) { // Is directory? - _cimg_mp_op("Function 'isdir()'"); - *se1 = 0; - is_sth = cimg::is_directory(ss6); - *se1 = ')'; - _cimg_mp_return(is_sth?1U:0U); - } - - if (!std::strncmp(ss,"isfile(",7)) { // Is file? - _cimg_mp_op("Function 'isfile()'"); - *se1 = 0; - is_sth = cimg::is_file(ss7); - *se1 = ')'; - _cimg_mp_return(is_sth?1U:0U); - } - - if (!std::strncmp(ss,"isin(",5)) { // Is in sequence/vector? - if (ss5>=se1) _cimg_mp_return(0); - _cimg_mp_op("Function 'isin()'"); - pos = scalar(); - CImg::vector((uptrT)mp_isin,pos).move_to(_opcode); - for (s = ss5; s::sequence((uptrT)_cimg_mp_vector_size(arg1),arg1 + 1, - arg1 + (uptrT)_cimg_mp_vector_size(arg1)). - move_to(_opcode); - else CImg::vector(arg1).move_to(_opcode); - s = ns; - } - (_opcode>'y').move_to(code); - _cimg_mp_return(pos); - } - - if (!std::strncmp(ss,"isinf(",6)) { // Is infinite? - _cimg_mp_op("Function 'isinf()'"); - if (ss6==se1) _cimg_mp_return(0); - arg1 = compile(ss6,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_isinf,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_return((unsigned int)cimg::type::is_inf(mem[arg1])); - _cimg_mp_scalar1(mp_isinf,arg1); - } - - if (!std::strncmp(ss,"isint(",6)) { // Is integer? - _cimg_mp_op("Function 'isint()'"); - if (ss6==se1) _cimg_mp_return(0); - arg1 = compile(ss6,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_isint,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_return((unsigned int)cimg::mod(mem[arg1],1.0)==0); - _cimg_mp_scalar1(mp_isint,arg1); - } - - if (!std::strncmp(ss,"isnan(",6)) { // Is NaN? - _cimg_mp_op("Function 'isnan()'"); - if (ss6==se1) _cimg_mp_return(0); - arg1 = compile(ss6,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_isnan,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_return((unsigned int)cimg::type::is_nan(mem[arg1])); - _cimg_mp_scalar1(mp_isnan,arg1); - } - - if (!std::strncmp(ss,"isval(",6)) { // Is value? - _cimg_mp_op("Function 'isval()'"); - val = 0; - if (cimg_sscanf(ss6,"%lf%c%c",&val,&sep,&end)==2 && sep==')') _cimg_mp_return(1); - _cimg_mp_return(0); - } - - } - break; - - case 'l' : - if (!std::strncmp(ss,"log(",4)) { // Natural logarithm - _cimg_mp_op("Function 'log()'"); - arg1 = compile(ss4,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_log,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(std::log(mem[arg1])); - _cimg_mp_scalar1(mp_log,arg1); - } - - if (!std::strncmp(ss,"log2(",5)) { // Base-2 logarithm - _cimg_mp_op("Function 'log2()'"); - arg1 = compile(ss5,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_log2,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(cimg::log2(mem[arg1])); - _cimg_mp_scalar1(mp_log2,arg1); - } - - if (!std::strncmp(ss,"log10(",6)) { // Base-10 logarithm - _cimg_mp_op("Function 'log10()'"); - arg1 = compile(ss6,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_log10,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(std::log10(mem[arg1])); - _cimg_mp_scalar1(mp_log10,arg1); - } - break; - - case 'm' : - if (!std::strncmp(ss,"mul(",4)) { // Matrix multiplication - _cimg_mp_op("Function 'mul()'"); - s1 = ss4; while (s1::%s: %s: Types of first and second arguments ('%s' and '%s') " - "do not match for third argument 'nb_colsB=%u', " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - s_type(arg1)._data,s_type(arg2)._data,p3, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - pos = vector(arg4*p3); - CImg::vector((uptrT)mp_matrix_mul,pos,arg1,arg2,arg4,arg5,p3).move_to(code); - _cimg_mp_return(pos); - } - break; - - case 'n' : - if (!std::strncmp(ss,"narg(",5)) { // Number of arguments - _cimg_mp_op("Function 'narg()'"); - if (ss5>=se1) _cimg_mp_return(0); - arg1 = 0; - for (s = ss5; s::vector((uptrT)mp_norm0,pos).move_to(_opcode); break; - case 1 : CImg::vector((uptrT)mp_norm1,pos).move_to(_opcode); break; - case 2 : CImg::vector((uptrT)mp_norm2,pos).move_to(_opcode); break; - case ~0U : CImg::vector((uptrT)mp_norminf,pos).move_to(_opcode); break; - default : - CImg::vector((uptrT)mp_normp,pos,(uptrT)(arg1==~0U?-1:(int)arg1)). - move_to(_opcode); - } - for (s = std::strchr(ss5,'(') + 1; s::sequence((uptrT)_cimg_mp_vector_size(arg2),arg2 + 1, - arg2 + (uptrT)_cimg_mp_vector_size(arg2)). - move_to(_opcode); - else CImg::vector(arg2).move_to(_opcode); - s = ns; - } - (_opcode>'y').move_to(code); - _cimg_mp_return(pos); - } - break; - - case 'p' : - if (!std::strncmp(ss,"print(",6)) { // Print expression - _cimg_mp_op("Function 'print()'"); - pos = compile(ss6,se1,depth1,p_ref); - *se1 = 0; - if (_cimg_mp_is_vector(pos)) // Vector - ((CImg::vector((uptrT)mp_vector_print,pos,(uptrT)_cimg_mp_vector_size(pos)), - CImg::string(ss6).unroll('y'))>'y').move_to(code); - else // Scalar - ((CImg::vector((uptrT)mp_print,pos), - CImg::string(ss6).unroll('y'))>'y').move_to(code); - *se1 = ')'; - _cimg_mp_return(pos); - } - break; - - case 'r' : - if (!std::strncmp(ss,"rol(",4) || !std::strncmp(ss,"ror(",4)) { // Bitwise rotation - _cimg_mp_op(ss[2]=='l'?"Function 'rol()'":"Function 'ror()'"); - s1 = ss4; while (s11) { - arg2 = arg1 + 1; - if (p2>2) arg3 = arg2 + 1; - } - arg4 = compile(++s1,se1,depth1,0); - } else { - s2 = s1 + 1; while (s2::vector((uptrT)mp_rot3d,pos,arg1,arg2,arg3,arg4).move_to(code); - } else { // 2d rotation - _cimg_mp_check_type(arg1,1,1,0); - pos = vector(4); - CImg::vector((uptrT)mp_rot2d,pos,arg1).move_to(code); - } - _cimg_mp_return(pos); - } - - if (!std::strncmp(ss,"round(",6)) { // Value rounding - _cimg_mp_op("Function 'round()'"); - s1 = ss6; while (s1::vector((uptrT)mp_single,arg1,code._width - p1).move_to(code,p1); - _cimg_mp_return(arg1); - } - - if (!std::strncmp(ss,"sinh(",5)) { // Hyperbolic sine - _cimg_mp_op("Function 'sinh()'"); - arg1 = compile(ss5,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_sinh,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(std::sinh(mem[arg1])); - _cimg_mp_scalar1(mp_sinh,arg1); - } - - if (!std::strncmp(ss,"size(",5)) { // Vector size. - _cimg_mp_op("Function 'size()'"); - arg1 = compile(ss5,se1,depth1,0); - _cimg_mp_constant(_cimg_mp_is_scalar(arg1)?0:_cimg_mp_vector_size(arg1)); - } - - if (!std::strncmp(ss,"solve(",6)) { // Solve linear system - _cimg_mp_op("Function 'solve()'"); - s1 = ss6; while (s1::%s: %s: Types of first and second arguments ('%s' and '%s') " - "do not match for third argument 'nb_colsB=%u', " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - s_type(arg1)._data,s_type(arg2)._data,p3, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - pos = vector(arg4*p3); - CImg::vector((uptrT)mp_solve,pos,arg1,arg2,arg4,arg5,p3).move_to(code); - _cimg_mp_return(pos); - } - - if (!std::strncmp(ss,"sort(",5)) { // Sort vector - _cimg_mp_op("Function 'sort()'"); - s1 = ss6; while (s1::%s: %s: Invalid specified chunk size (%u) for first argument " - "('%s'), in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - arg3,s_type(arg1)._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - pos = vector(p1); - CImg::vector((uptrT)mp_sort,pos,arg1,p1,arg2,arg3).move_to(code); - _cimg_mp_return(pos); - } - - if (!std::strncmp(ss,"sqr(",4)) { // Square - _cimg_mp_op("Function 'sqr()'"); - arg1 = compile(ss4,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_sqr,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(cimg::sqr(mem[arg1])); - _cimg_mp_scalar1(mp_sqr,arg1); - } - - if (!std::strncmp(ss,"sqrt(",5)) { // Square root - _cimg_mp_op("Function 'sqrt()'"); - arg1 = compile(ss5,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_sqrt,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(std::sqrt(mem[arg1])); - _cimg_mp_scalar1(mp_sqrt,arg1); - } - break; - - case 't' : - if (!std::strncmp(ss,"tan(",4)) { // Tangent - _cimg_mp_op("Function 'tan()'"); - arg1 = compile(ss4,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_tan,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(std::tan(mem[arg1])); - _cimg_mp_scalar1(mp_tan,arg1); - } - - if (!std::strncmp(ss,"tanh(",5)) { // Hyperbolic tangent - _cimg_mp_op("Function 'tanh()'"); - arg1 = compile(ss5,se1,depth1,0); - if (_cimg_mp_is_vector(arg1)) _cimg_mp_vector1_v(mp_tanh,arg1); - if (_cimg_mp_is_constant(arg1)) _cimg_mp_constant(std::tanh(mem[arg1])); - _cimg_mp_scalar1(mp_tanh,arg1); - } - - if (!std::strncmp(ss,"trace(",6)) { // Matrix trace - _cimg_mp_op("Function 'trace()'"); - arg1 = compile(ss6,se1,depth1,0); - _cimg_mp_check_matrix_square(arg1,1); - p1 = (unsigned int)std::sqrt((float)_cimg_mp_vector_size(arg1)); - _cimg_mp_scalar2(mp_trace,arg1,p1); - } - - if (!std::strncmp(ss,"transp(",7)) { // Matrix transpose - _cimg_mp_op("Function 'transp()'"); - s1 = ss7; while (s1::%s: %s: Size of first argument ('%s') does not match" - "for second specified argument 'nb_cols=%u', " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op, - s_type(arg1)._data,p2, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - pos = vector(p3*p2); - CImg::vector((uptrT)mp_transp,pos,arg1,p2,p3).move_to(code); - _cimg_mp_return(pos); - } - break; - - case 'u' : - if (*ss1=='(') { // Random value with uniform distribution - _cimg_mp_op("Function 'u()'"); - if (*ss2==')') _cimg_mp_scalar2(mp_u,0,1); - s1 = ss2; while (s10) || - !std::strncmp(ss,"vector(",7)) { // Vector - _cimg_mp_op("Function 'vector()'"); - arg2 = 0; // Number of specified values. - s = std::strchr(ss6,'(') + 1; - if (s::sequence(arg4,arg3 + 1,arg3 + arg4).move_to(_opcode); - arg2+=arg4; - } else { CImg::vector(arg3).move_to(_opcode); ++arg2; } - s = ns; - } - if (arg1==~0U) arg1 = arg2; - _cimg_mp_check_vector0(arg1); - pos = vector(arg1); - _opcode.insert(CImg::vector((uptrT)mp_vector_init,pos,arg1),0); - (_opcode>'y').move_to(code); - _cimg_mp_return(pos); - } - break; - - case 'w' : - if (!std::strncmp(ss,"whiledo",7) && (*ss7=='(' || (*ss7 && *ss7<=' ' && *ss8=='('))) { // While...do - _cimg_mp_op("Function 'whiledo()'"); - if (*ss7<=' ') cimg::swap(*ss7,*ss8); // Allow space before opening brace - s1 = ss8; while (s1::vector((uptrT)mp_whiledo,pos,arg1,p2 - p1,code._width - p2,arg2).move_to(code,p1); - _cimg_mp_return(pos); - } - break; - } - - if (!std::strncmp(ss,"min(",4) || !std::strncmp(ss,"max(",4) || - !std::strncmp(ss,"med(",4) || !std::strncmp(ss,"kth(",4) || - !std::strncmp(ss,"arg(",4) || !std::strncmp(ss,"sum(",4) || - !std::strncmp(ss,"std(",4) || !std::strncmp(ss,"var(",4) || - !std::strncmp(ss,"prod(",5) || !std::strncmp(ss,"mean(",5) || - !std::strncmp(ss,"argmin(",7) || !std::strncmp(ss,"argmax(",7)) { // Multi-argument functions - _cimg_mp_op(*ss=='a'?(ss[3]=='('?"Function 'arg()'":ss[4]=='i'?"Function 'argmin()'": - "Function 'argmax()'"): - *ss=='s'?(ss[1]=='u'?"Function 'sum()'":"Function 'std()'"): - *ss=='k'?"Function 'kth()'": - *ss=='p'?"Function 'prod()'": - *ss=='v'?"Function 'var()'": - ss[1]=='i'?"Function 'min()'": - ss[1]=='a'?"Function 'max()'": - ss[2]=='a'?"Function 'mean()'":"Function 'med()'"); - pos = scalar(); - CImg::vector((uptrT)(*ss=='a'?(ss[3]=='('?mp_arg:ss[4]=='i'?mp_argmin:mp_argmax): - *ss=='s'?(ss[1]=='u'?mp_sum:mp_std): - *ss=='k'?mp_kth: - *ss=='p'?mp_prod: - *ss=='v'?mp_var: - ss[1]=='i'?mp_min: - ss[1]=='a'?mp_max: - ss[2]=='a'?mp_mean: - mp_med),pos). - move_to(_opcode); - for (s = std::strchr(ss,'(') + 1; s::sequence((uptrT)_cimg_mp_vector_size(arg2),arg2 + 1, - arg2 + (uptrT)_cimg_mp_vector_size(arg2)). - move_to(_opcode); - else CImg::vector(arg2).move_to(_opcode); - s = ns; - } - (_opcode>'y').move_to(code); - _cimg_mp_return(pos); - } - - // No corresponding built-in function -> Look for a user-defined macro. - s0 = strchr(ss,'('); - if (s0) { - variable_name.assign(ss,s0 - ss + 1).back() = 0; - cimglist_for(function_def,l) if (!std::strcmp(function_def[l],variable_name)) { - p2 = (unsigned int)function_def[l].back(); // Number of required arguments - CImg _expr = function_body[l]; // Expression to be substituted - p1 = 1; // Indice of current parsed argument - for (s = s0 + 1; s<=se1; ++p1, s = ns + 1) { // Parse function arguments - while (*s && *s<=' ') ++s; - if (*s==')' && p1==1) break; // Function has no arguments - if (p1>p2) { ++p1; break; } - ns = s; while (ns::%s: Function '%s()': Number of specified arguments does not " - "match function declaration (%u argument%s required), " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,variable_name._data, - p2,p2!=1?"s":"", - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - - // Recompute 'pexpr' and 'level' for evaluating substituted expression. - CImg _pexpr(_expr._width); - ns = _pexpr._data; - for (ps = _expr._data, c1 = ' '; *ps; ++ps) { - if (*ps!=' ') c1 = *ps; - *(ns++) = c1; - } - *ns = 0; - - CImg _level(_expr._width - 1); - unsigned int *pd = _level._data; - nb = 0; - for (ps = _expr._data; *ps && nb>=0; ++ps) - *(pd++) = (unsigned int)(*ps=='('||*ps=='['?nb++:*ps==')'||*ps==']'?--nb:nb); - - expr.swap(_expr); pexpr.swap(_pexpr); level.swap(_level); - s0 = user_function; - user_function = function_def[l]; - pos = compile(expr._data,expr._data + expr._width - 1,depth1,p_ref); - user_function = s0; - expr.swap(_expr); pexpr.swap(_pexpr); level.swap(_level); - _cimg_mp_return(pos); - } - } - } // if (se1==')') - - // Vector specification using initializer '[ ... ]'. - if (*ss=='[' && *se1==']') { - _cimg_mp_op("Operator '[]'"); - arg1 = 0; // Number of specified values. - if (*ss1!=']') for (s = ss1; s::sequence(arg3,arg2 + 1,arg2 + arg3).move_to(_opcode); - arg1+=arg3; - } else { CImg::vector(arg2).move_to(_opcode); ++arg1; } - s = ns; - } - _cimg_mp_check_vector0(arg1); - pos = vector(arg1); - _opcode.insert(CImg::vector((uptrT)mp_vector_init,pos,arg1),0); - (_opcode>'y').move_to(code); - _cimg_mp_return(pos); - } - - // Variables related to the input list of images. - if (*ss1=='#' && ss2::vector(listin[p1].median()).move_to(list_median[p1]); - _cimg_mp_constant(*list_median[p1]); - } - _cimg_mp_scalar1(mp_list_median,arg1); - } - if (*ss1>='0' && *ss1<='9') { // i0#ind...i9#ind - if (!listin) _cimg_mp_return(0); - _cimg_mp_scalar7(mp_list_ixyzc,arg1,_cimg_mp_x,_cimg_mp_y,_cimg_mp_z,*ss1 - '0', - reserved_label[29],reserved_label[30]); - } - switch (*ss1) { - case 'm' : arg2 = 0; break; // im#ind - case 'M' : arg2 = 1; break; // iM#ind - case 'a' : arg2 = 2; break; // ia#ind - case 'v' : arg2 = 3; break; // iv#ind - case 's' : arg2 = 12; break; // is#ind - case 'p' : arg2 = 13; break; // ip#ind - } - } else if (*ss1=='m') switch (*ss) { - case 'x' : arg2 = 4; break; // xm#ind - case 'y' : arg2 = 5; break; // ym#ind - case 'z' : arg2 = 6; break; // zm#ind - case 'c' : arg2 = 7; break; // cm#ind - } else if (*ss1=='M') switch (*ss) { - case 'x' : arg2 = 8; break; // xM#ind - case 'y' : arg2 = 9; break; // yM#ind - case 'z' : arg2 = 10; break; // zM#ind - case 'c' : arg2 = 11; break; // cM#ind - } - if (arg2!=~0U) { - if (!listin) _cimg_mp_return(0); - if (_cimg_mp_is_constant(arg1)) { - if (!list_stats) list_stats.assign(listin._width); - if (!list_stats[p1]) list_stats[p1].assign(1,14,1,1,0).fill(listin[p1].get_stats(),false); - _cimg_mp_constant(list_stats(p1,arg2)); - } - _cimg_mp_scalar2(mp_list_stats,arg1,arg2); - } - } - - if (*ss=='w' && *ss1=='h' && *ss2=='d' && *ss3=='#' && ss4 error. - is_sth = true; // is_valid_variable_name - if (*variable_name>='0' && *variable_name<='9') is_sth = false; - else for (ns = variable_name._data; *ns; ++ns) - if (!is_varchar(*ns)) { is_sth = false; break; } - - *se = saved_char; cimg::strellipsize(variable_name,64); cimg::strellipsize(expr,64); - if (is_sth) - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: Undefined variable '%s' in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function, - variable_name._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - s0 = std::strchr(ss,'('); - if (s0 && *se1==')') s_op = "function call"; else s_op = "item"; - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s: Unrecognized %s '%s' in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function, - s_op,variable_name._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - - // Evaluation procedure. - double operator()(const double x, const double y, const double z, const double c) { - mem[_cimg_mp_x] = x; mem[_cimg_mp_y] = y; mem[_cimg_mp_z] = z; mem[_cimg_mp_c] = c; - for (p_code = p_code_begin; p_code &op = *p_code; - opcode._data = op._data; opcode._height = op._height; - const uptrT target = opcode[1]; - mem[target] = _cimg_mp_defunc(*this); - } - return *result; - } - - // Evaluation procedure (return output values in vector 'output'). - template - void operator()(const double x, const double y, const double z, const double c, t *const output) { - mem[_cimg_mp_x] = x; mem[_cimg_mp_y] = y; mem[_cimg_mp_z] = z; mem[_cimg_mp_c] = c; - for (p_code = p_code_begin; p_code &op = *p_code; - opcode._data = op._data; opcode._height = op._height; - const uptrT target = opcode[1]; - mem[target] = _cimg_mp_defunc(*this); - } - if (result_dim) { - const double *ptrs = result + 1; - t *ptrd = output; - for (unsigned int k = 0; k s_type(const unsigned int arg) const { - CImg res; - if (_cimg_mp_is_vector(arg)) { // Vector - CImg::string("vectorXXXXXXXXXXXXXXXX").move_to(res); - std::sprintf(res._data + 6,"%u",_cimg_mp_vector_size(arg)); - } else CImg::string("scalar").move_to(res); - return res; - } - - // Insert constant value in memory. - unsigned int constant(const double val) { - if (val==(double)(int)val) { - if (val>=0 && val<=9) return (unsigned int)val; - if (val<0 && val>=-5) return (unsigned int)(10 - val); - } - if (val==0.5) return 16; - if (cimg::type::is_nan(val)) return 28; - if (mempos>=mem._width) { mem.resize(-200,1,1,1,0); memtype.resize(-200,1,1,1,0); } - const unsigned int pos = mempos++; - mem[pos] = val; - memtype[pos] = 1; // Set constant property - return pos; - } - - // Insert code instructions for processing scalars. - unsigned int scalar() { // Insert new scalar in memory. - if (mempos>=mem._width) { mem.resize(-200,1,1,1,0); memtype.resize(mem._width,1,1,1,0); } - return mempos++; - } - - unsigned int scalar0(const mp_func op) { - const unsigned int pos = scalar(); - CImg::vector((uptrT)op,pos).move_to(code); - return pos; - } - - unsigned int scalar1(const mp_func op, const unsigned int arg1) { - const unsigned int pos = - arg1>_cimg_mp_c && _cimg_mp_is_temp(arg1)?arg1:scalar(); - CImg::vector((uptrT)op,pos,arg1).move_to(code); - return pos; - } - - unsigned int scalar2(const mp_func op, const unsigned int arg1, const unsigned int arg2) { - const unsigned int pos = - arg1>_cimg_mp_c && _cimg_mp_is_temp(arg1)?arg1: - arg2>_cimg_mp_c && _cimg_mp_is_temp(arg2)?arg2:scalar(); - CImg::vector((uptrT)op,pos,arg1,arg2).move_to(code); - return pos; - } - - unsigned int scalar3(const mp_func op, - const unsigned int arg1, const unsigned int arg2, const unsigned int arg3) { - const unsigned int pos = - arg1>_cimg_mp_c && _cimg_mp_is_temp(arg1)?arg1: - arg2>_cimg_mp_c && _cimg_mp_is_temp(arg2)?arg2: - arg3>_cimg_mp_c && _cimg_mp_is_temp(arg3)?arg3:scalar(); - CImg::vector((uptrT)op,pos,arg1,arg2,arg3).move_to(code); - return pos; - } - - unsigned int scalar6(const mp_func op, - const unsigned int arg1, const unsigned int arg2, const unsigned int arg3, - const unsigned int arg4, const unsigned int arg5, const unsigned int arg6) { - const unsigned int pos = - arg1>_cimg_mp_c && _cimg_mp_is_temp(arg1)?arg1: - arg2>_cimg_mp_c && _cimg_mp_is_temp(arg2)?arg2: - arg3>_cimg_mp_c && _cimg_mp_is_temp(arg3)?arg3: - arg4>_cimg_mp_c && _cimg_mp_is_temp(arg4)?arg4: - arg5>_cimg_mp_c && _cimg_mp_is_temp(arg5)?arg5: - arg6>_cimg_mp_c && _cimg_mp_is_temp(arg6)?arg6:scalar(); - CImg::vector((uptrT)op,pos,arg1,arg2,arg3,arg4,arg5,arg6).move_to(code); - return pos; - } - - unsigned int scalar7(const mp_func op, - const unsigned int arg1, const unsigned int arg2, const unsigned int arg3, - const unsigned int arg4, const unsigned int arg5, const unsigned int arg6, - const unsigned int arg7) { - const unsigned int pos = - arg1>_cimg_mp_c && _cimg_mp_is_temp(arg1)?arg1: - arg2>_cimg_mp_c && _cimg_mp_is_temp(arg2)?arg2: - arg3>_cimg_mp_c && _cimg_mp_is_temp(arg3)?arg3: - arg4>_cimg_mp_c && _cimg_mp_is_temp(arg4)?arg4: - arg5>_cimg_mp_c && _cimg_mp_is_temp(arg5)?arg5: - arg6>_cimg_mp_c && _cimg_mp_is_temp(arg6)?arg6: - arg7>_cimg_mp_c && _cimg_mp_is_temp(arg7)?arg7:scalar(); - CImg::vector((uptrT)op,pos,arg1,arg2,arg3,arg4,arg5,arg6,arg7).move_to(code); - return pos; - } - - // Return a string that defines the calling function + the user-defined function scope. - CImg calling_function_s() const { - CImg res; - const unsigned int - l1 = calling_function?std::strlen(calling_function):0, - l2 = user_function?std::strlen(user_function):0; - if (l2) { - res.assign(l1 + l2 + 48); - cimg_snprintf(res,res._width,"%s(): When substituting function '%s()'",calling_function,user_function); - } else { - res.assign(l1 + l2 + 4); - cimg_snprintf(res,res._width,"%s()",calling_function); - } - return res; - } - - // Return true if specified argument can be a part of an allowed variable name. - bool is_varchar(const char c) const { - return (c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9') || c=='_'; - } - - // Insert code instructions for processing vectors. - bool is_tmp_vector(const unsigned int arg) const { - unsigned int siz = _cimg_mp_vector_size(arg); - if (siz>8) return false; - const int *ptr = memtype.data(arg + 1); - bool is_tmp = true; - while (siz-->0) if (*(ptr++)) { is_tmp = false; break; } - return is_tmp; - } - - void set_variable_vector(const unsigned int arg) { - unsigned int siz = _cimg_mp_vector_size(arg); - int *ptr = memtype.data(arg + 1); - while (siz-->0) *(ptr++) = -1; - } - - unsigned int vector(const unsigned int siz) { // Insert new vector of specified size in memory - if (mempos + siz>=mem._width) { - mem.resize(2*mem._width + siz,1,1,1,0); - memtype.resize(mem._width,1,1,1,0); - } - const unsigned int pos = mempos++; - mem[pos] = cimg::type::nan(); - memtype[pos] = siz + 1; - mempos+=siz; - return pos; - } - - unsigned int vector(const unsigned int siz, const double value) { // Insert new initialized vector - const unsigned int pos = vector(siz); - double *ptr = &mem[pos] + 1; - for (unsigned int i = 0; i::vector((uptrT)mp_vector_copy,pos,arg,siz).move_to(code); - return pos; - } - - void self_vector_s(const unsigned int pos, const mp_func op, const unsigned int arg1) { - const unsigned int siz = _cimg_mp_vector_size(pos); - if (siz>24) CImg::vector((uptrT)mp_self_map_vector_s,pos,siz,(uptrT)op,arg1).move_to(code); - else { - code.insert(siz); - for (unsigned int k = 1; k<=siz; ++k) - CImg::vector((uptrT)op,pos + k,arg1).move_to(code[code._width - 1 - siz + k]); - } - } - - void self_vector_v(const unsigned int pos, const mp_func op, const unsigned int arg1) { - const unsigned int siz = _cimg_mp_vector_size(pos); - if (siz>24) CImg::vector((uptrT)mp_self_map_vector_v,pos,siz,(uptrT)op,arg1).move_to(code); - else { - code.insert(siz); - for (unsigned int k = 1; k<=siz; ++k) - CImg::vector((uptrT)op,pos + k,arg1 + k).move_to(code[code._width - 1 - siz + k]); - } - } - - unsigned int vector1_v(const mp_func op, const unsigned int arg1) { - const unsigned int - siz = _cimg_mp_vector_size(arg1), - pos = is_tmp_vector(arg1)?arg1:vector(siz); - if (siz>24) CImg::vector((uptrT)mp_vector_map_v,pos,siz,(uptrT)op,arg1).move_to(code); - else { - code.insert(siz); - for (unsigned int k = 1; k<=siz; ++k) - CImg::vector((uptrT)op,pos + k,arg1 + k).move_to(code[code._width - 1 - siz + k]); - } - return pos; - } - - unsigned int vector2_vv(const mp_func op, const unsigned int arg1, const unsigned int arg2) { - const unsigned int - siz = _cimg_mp_vector_size(arg1), - pos = is_tmp_vector(arg1)?arg1:is_tmp_vector(arg2)?arg2:vector(siz); - if (siz>24) CImg::vector((uptrT)mp_vector_map_vv,pos,siz,(uptrT)op,arg1,arg2).move_to(code); - else { - code.insert(siz); - for (unsigned int k = 1; k<=siz; ++k) - CImg::vector((uptrT)op,pos + k,arg1 + k,arg2 + k).move_to(code[code._width - 1 - siz + k]); - } - return pos; - } - - unsigned int vector2_vs(const mp_func op, const unsigned int arg1, const unsigned int arg2) { - const unsigned int - siz = _cimg_mp_vector_size(arg1), - pos = is_tmp_vector(arg1)?arg1:vector(siz); - if (siz>24) CImg::vector((uptrT)mp_vector_map_vs,pos,siz,(uptrT)op,arg1,arg2).move_to(code); - else { - code.insert(siz); - for (unsigned int k = 1; k<=siz; ++k) - CImg::vector((uptrT)op,pos + k,arg1 + k,arg2).move_to(code[code._width - 1 - siz + k]); - } - return pos; - } - - unsigned int vector2_sv(const mp_func op, const unsigned int arg1, const unsigned int arg2) { - const unsigned int - siz = _cimg_mp_vector_size(arg2), - pos = is_tmp_vector(arg2)?arg2:vector(siz); - if (siz>24) CImg::vector((uptrT)mp_vector_map_sv,pos,siz,(uptrT)op,arg1,arg2).move_to(code); - else { - code.insert(siz); - for (unsigned int k = 1; k<=siz; ++k) - CImg::vector((uptrT)op,pos + k,arg1,arg2 + k).move_to(code[code._width - 1 - siz + k]); - } - return pos; - } - - unsigned int vector3_vss(const mp_func op, const unsigned int arg1, const unsigned int arg2, - const unsigned int arg3) { - const unsigned int - siz = _cimg_mp_vector_size(arg1), - pos = is_tmp_vector(arg1)?arg1:vector(siz); - if (siz>24) CImg::vector((uptrT)mp_vector_map_vss,pos,siz,(uptrT)op,arg1,arg2,arg3).move_to(code); - else { - code.insert(siz); - for (unsigned int k = 1; k<=siz; ++k) - CImg::vector((uptrT)op,pos + k,arg1 + k,arg2,arg3).move_to(code[code._width - 1 - siz + k]); - } - return pos; - } - - // Check if a memory slot is a positive integer constant scalar value. - void check_constant(const unsigned int arg, const unsigned int n_arg, - const bool is_strictly_positive, - const char *const ss, char *const se, const char saved_char) { - _cimg_mp_check_type(arg,n_arg,1,0); - if (!_cimg_mp_is_constant(arg) || mem[arg]<(is_strictly_positive?1:0) || (double)(int)mem[arg]!=mem[arg]) { - const char *s_arg = !n_arg?"":n_arg==1?"First ":n_arg==2?"Second ":n_arg==3?"Third ": - n_arg==4?"Fourth ":n_arg==5?"Fifth ":n_arg==6?"Sixth ":n_arg==7?"Seventh ":n_arg==8?"Eighth ": - n_arg==9?"Ninth ":"One of the "; - *se = saved_char; cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s(): %s%s %s%s (of type '%s') is not a %spositive integer constant, " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op,*s_op?":":"", - s_arg,*s_arg?"argument":"Argument",s_type(arg)._data, - is_strictly_positive?"strictly ":"", - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - } - - // Check a matrix is square. - void check_matrix_square(const unsigned int arg, const unsigned int n_arg, - const char *const ss, char *const se, const char saved_char) { - _cimg_mp_check_type(arg,n_arg,2,0); - const unsigned int - siz = _cimg_mp_vector_size(arg), - n = (unsigned int)std::sqrt((float)siz); - if (n*n!=siz) { - const char *s_arg; - if (*s_op!='F') s_arg = !n_arg?"":n_arg==1?"Left-hand ":"Right-hand "; - else s_arg = !n_arg?"":n_arg==1?"First ":n_arg==2?"Second ":n_arg==3?"Third ":"One "; - *se = saved_char; cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s(): %s%s %s%s (of type '%s') " - "cannot be considered as a square matrix, in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op,*s_op?":":"", - s_arg,*s_op=='F'?(*s_arg?"argument":"Argument"):(*s_arg?"operand":"Operand"), - s_type(arg)._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - } - - // Check type compatibility for one argument. - // Bits of 'mode' tells what types are allowed: - // { 1 = scalar | 2 = vectorN }. - // If 'N' is not zero, it also restricts the vectors to be of size N only. - void check_type(const unsigned int arg, const unsigned int n_arg, - const unsigned int mode, const unsigned int N, - const char *const ss, char *const se, const char saved_char) { - const bool - is_scalar = _cimg_mp_is_scalar(arg), - is_vector = _cimg_mp_is_vector(arg) && (!N || _cimg_mp_vector_size(arg)==N); - bool cond = false; - if (mode&1) cond|=is_scalar; - if (mode&2) cond|=is_vector; - if (!cond) { - const char *s_arg; - if (*s_op!='F') s_arg = !n_arg?"":n_arg==1?"Left-hand ":"Right-hand "; - else s_arg = !n_arg?"":n_arg==1?"First ":n_arg==2?"Second ":n_arg==3?"Third ": - n_arg==4?"Fourth ":n_arg==5?"Fifth ":n_arg==6?"Sixth ":n_arg==7?"Seventh ":n_arg==8?"Eighth": - n_arg==9?"Ninth":"One of the "; - CImg sb_type(32); - if (mode==1) cimg_snprintf(sb_type,sb_type._width,"'scalar'"); - else if (mode==2) { - if (N) cimg_snprintf(sb_type,sb_type._width,"'vector%u'",N); - else cimg_snprintf(sb_type,sb_type._width,"'vector'"); - } else { - if (N) cimg_snprintf(sb_type,sb_type._width,"'scalar' or 'vector%u'",N); - else cimg_snprintf(sb_type,sb_type._width,"'scalar' or 'vector'"); - } - *se = saved_char; cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s(): %s%s %s%s has invalid type '%s' (should be %s), " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op,*s_op?":":"", - s_arg,*s_op=='F'?(*s_arg?"argument":"Argument"):(*s_arg?"operand":"Operand"), - s_type(arg)._data,sb_type._data, - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - } - - // Check is listin is not empty. - void check_list(const bool is_out, - const char *const ss, char *const se, const char saved_char) { - if ((!is_out && !listin) || (is_out && !listout)) { - *se = saved_char; cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s(): %s%s Invalid call with an empty image list, " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op,*s_op?":":"", - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - } - - // Check a vector is not 0-dimensional, or with unknown dimension at compile time. - void check_vector0(const unsigned int dim, - const char *const ss, char *const se, const char saved_char) { - if (!dim) { - *se = saved_char; cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s(): %s%s Invalid construction of a 0-dimensional vector, " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op,*s_op?":":"", - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } else if (dim==~0U) { - *se = saved_char; cimg::strellipsize(expr,64); - throw CImgArgumentException("[_cimg_math_parser] " - "CImg<%s>::%s(): %s%s Invalid construction of a vector with dynamic size, " - "in expression '%s%s%s'.", - pixel_type(),_cimg_mp_calling_function,s_op,*s_op?":":"", - (ss - 4)>expr._data?"...":"", - (ss - 4)>expr._data?ss - 4:expr._data, - se<&expr.back()?"...":""); - } - } - - // Evaluation functions, known by the parser. - // Defining these functions 'static' ensures that sizeof(mp_func)==sizeof(uptrT), - // so we can store pointers to them directly in the opcode vectors. -#ifdef _mp_arg -#undef _mp_arg -#endif -#define _mp_arg(x) mp.mem[mp.opcode[x]] - - static double mp_abs(_cimg_math_parser& mp) { - return cimg::abs(_mp_arg(2)); - } - - static double mp_add(_cimg_math_parser& mp) { - return _mp_arg(2) + _mp_arg(3); - } - - static double mp_acos(_cimg_math_parser& mp) { - return std::acos(_mp_arg(2)); - } - - static double mp_arg(_cimg_math_parser& mp) { - const int _ind = (int)_mp_arg(2); - const unsigned int nb_args = mp.opcode._height - 2, ind = _ind<0?_ind + nb_args:(unsigned int)_ind; - if (ind>=nb_args) return 0; - return _mp_arg(ind + 2); - } - - static double mp_argmin(_cimg_math_parser& mp) { - double val = _mp_arg(2); - unsigned int argval = 0; - for (unsigned int i = 3; ival) { val = _val; argval = i - 2; } - } - return (double)argval; - } - - static double mp_asin(_cimg_math_parser& mp) { - return std::asin(_mp_arg(2)); - } - - static double mp_atan(_cimg_math_parser& mp) { - return std::atan(_mp_arg(2)); - } - - static double mp_atan2(_cimg_math_parser& mp) { - return std::atan2(_mp_arg(2),_mp_arg(3)); - } - - static double mp_bitwise_and(_cimg_math_parser& mp) { - return (double)((unsigned long)_mp_arg(2) & (unsigned long)_mp_arg(3)); - } - - static double mp_bitwise_left_shift(_cimg_math_parser& mp) { - return (double)((long)_mp_arg(2)<<(unsigned int)_mp_arg(3)); - } - - static double mp_bitwise_not(_cimg_math_parser& mp) { - return (double)~(unsigned long)_mp_arg(2); - } - - static double mp_bitwise_or(_cimg_math_parser& mp) { - return (double)((unsigned long)_mp_arg(2) | (unsigned long)_mp_arg(3)); - } - - static double mp_bitwise_right_shift(_cimg_math_parser& mp) { - return (double)((long)_mp_arg(2)>>(unsigned int)_mp_arg(3)); - } - - static double mp_cbrt(_cimg_math_parser& mp) { - return std::pow(_mp_arg(2),1.0/3); - } - - static double mp_complex_conj(_cimg_math_parser& mp) { - const double *ptrs = &_mp_arg(2) + 1; - double *ptrd = &_mp_arg(1) + 1; - *(ptrd++) = *(ptrs++); - *ptrd = -*(ptrs); - return cimg::type::nan(); - } - - static double mp_complex_div_sv(_cimg_math_parser& mp) { - const double - *ptr2 = &_mp_arg(3) + 1, - r1 = _mp_arg(2), - r2 = *(ptr2++), i2 = *ptr2; - double *ptrd = &_mp_arg(1) + 1; - const double denom = r2*r2 + i2*i2; - *(ptrd++) = r1*r2/denom; - *ptrd = -r1*i2/denom; - return cimg::type::nan(); - } - - static double mp_complex_div_vv(_cimg_math_parser& mp) { - const double - *ptr1 = &_mp_arg(2) + 1, *ptr2 = &_mp_arg(3) + 1, - r1 = *(ptr1++), i1 = *ptr1, - r2 = *(ptr2++), i2 = *ptr2; - double *ptrd = &_mp_arg(1) + 1; - const double denom = r2*r2 + i2*i2; - *(ptrd++) = (r1*r2 + i1*i2)/denom; - *ptrd = (r2*i1 - r1*i2)/denom; - return cimg::type::nan(); - } - - static double mp_complex_exp(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const double *ptrs = &_mp_arg(2) + 1, r = *(ptrs++), i = *(ptrs), er = std::exp(r); - *(ptrd++) = er*std::cos(i); - *(ptrd++) = er*std::sin(i); - return cimg::type::nan(); - } - - static double mp_complex_log(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const double *ptrs = &_mp_arg(2) + 1, r = *(ptrs++), i = *(ptrs); - *(ptrd++) = std::log(std::sqrt(r*r + i*i)); - *(ptrd++) = std::atan2(i,r); - return cimg::type::nan(); - } - - static double mp_complex_mul(_cimg_math_parser& mp) { - const double - *ptr1 = &_mp_arg(2) + 1, *ptr2 = &_mp_arg(3) + 1, - r1 = *(ptr1++), i1 = *ptr1, - r2 = *(ptr2++), i2 = *ptr2; - double *ptrd = &_mp_arg(1) + 1; - *(ptrd++) = r1*r2 - i1*i2; - *(ptrd++) = r1*i2 + r2*i1; - return cimg::type::nan(); - } - - static void _mp_complex_pow(const double r1, const double i1, - const double r2, const double i2, - double *ptrd) { - double ro, io; - if (cimg::abs(i2)<1e-15) { // Exponent is real - if (cimg::abs(r1)<1e-15 && cimg::abs(i1)<1e-15) { - if (cimg::abs(r2)<1e-15) { ro = 1; io = 0; } - else ro = io = 0; - } else { - const double - mod1_2 = r1*r1 + i1*i1, - phi1 = std::atan2(i1,r1), - modo = std::pow(mod1_2,0.5*r2), - phio = r2*phi1; - ro = modo*std::cos(phio); - io = modo*std::sin(phio); - } - } else { // Exponent is complex - if (cimg::abs(r1)<1e-15 && cimg::abs(i1)<1e-15) ro = io = 0; - const double - mod1_2 = r1*r1 + i1*i1, - phi1 = std::atan2(i1,r1), - modo = std::pow(mod1_2,0.5*r2)*std::exp(-i2*phi1), - phio = r2*phi1 + 0.5*i2*std::log(mod1_2); - ro = modo*std::cos(phio); - io = modo*std::sin(phio); - } - *(ptrd++) = ro; - *ptrd = io; - } - - static double mp_complex_pow_sv(_cimg_math_parser& mp) { - const double val1 = _mp_arg(2), *ptr2 = &_mp_arg(3) + 1; - double *ptrd = &_mp_arg(1) + 1; - _mp_complex_pow(val1,0,ptr2[0],ptr2[1],ptrd); - return cimg::type::nan(); - } - - static double mp_complex_pow_vs(_cimg_math_parser& mp) { - const double *ptr1 = &_mp_arg(2) + 1, val2 = _mp_arg(3); - double *ptrd = &_mp_arg(1) + 1; - _mp_complex_pow(ptr1[0],ptr1[1],val2,0,ptrd); - return cimg::type::nan(); - } - - static double mp_complex_pow_vv(_cimg_math_parser& mp) { - const double *ptr1 = &_mp_arg(2) + 1, *ptr2 = &_mp_arg(3) + 1; - double *ptrd = &_mp_arg(1) + 1; - _mp_complex_pow(ptr1[0],ptr1[1],ptr2[0],ptr2[1],ptrd); - return cimg::type::nan(); - } - - static double mp_cos(_cimg_math_parser& mp) { - return std::cos(_mp_arg(2)); - } - - static double mp_cosh(_cimg_math_parser& mp) { - return std::cosh(_mp_arg(2)); - } - - static double mp_crop(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const int x = (int)_mp_arg(3), y = (int)_mp_arg(4), z = (int)_mp_arg(5), c = (int)_mp_arg(6); - const unsigned int - dx = (unsigned int)mp.opcode[7], - dy = (unsigned int)mp.opcode[8], - dz = (unsigned int)mp.opcode[9], - dc = (unsigned int)mp.opcode[10]; - const bool boundary_conditions = (bool)_mp_arg(11); - unsigned int ind = (unsigned int)mp.opcode[2]; - if (ind!=~0U) ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - const CImg &img = ind==~0U?mp.imgin:mp.listin[ind]; - if (!img) std::memset(ptrd,0,dx*dy*dz*dc*sizeof(double)); - else CImg(ptrd,dx,dy,dz,dc,true) = img.get_crop(x,y,z,c, - x + dx - 1,y + dy - 1, - z + dz - 1,c + dc - 1, - boundary_conditions); - return cimg::type::nan(); - } - - static double mp_cross(_cimg_math_parser& mp) { - CImg - vout(&_mp_arg(1) + 1,1,3,1,1,true), - v1(&_mp_arg(2) + 1,1,3,1,1,true), - v2(&_mp_arg(3) + 1,1,3,1,1,true); - (vout = v1).cross(v2); - return cimg::type::nan(); - } - - static double mp_cut(_cimg_math_parser& mp) { - double val = _mp_arg(2), cmin = _mp_arg(3), cmax = _mp_arg(4); - return valcmax?cmax:val; - } - - static double mp_debug(_cimg_math_parser& mp) { - CImg expr(mp.opcode._height - 3); - const uptrT *ptrs = mp.opcode._data + 3; - cimg_for(expr,ptrd,char) *ptrd = (char)*(ptrs++); - cimg::strellipsize(expr); - const uptrT g_target = mp.opcode[1]; - -#ifndef cimg_use_openmp - const unsigned int n_thread = 0; -#else - const unsigned int n_thread = omp_get_thread_num(); -#pragma omp critical -#endif - { - std::fprintf(cimg::output(), - "\n[_cimg_math_parser] %p[thread #%u]:%*c" - "Start debugging expression '%s', code length %u -> mem[%u] (memsize: %u)", - (void*)&mp,n_thread,mp.debug_indent,' ', - expr._data,(unsigned int)mp.opcode[2],(unsigned int)g_target,mp.mem._width); - std::fflush(cimg::output()); - const CImg *const p_end = (++mp.p_code) + mp.opcode[2]; - CImg _op; - mp.debug_indent+=3; - for ( ; mp.p_code &op = *mp.p_code; - mp.opcode._data = op._data; mp.opcode._height = op._height; - - _op.assign(1,op._height - 1); - const uptrT *ptrs = op._data + 1; - for (uptrT *ptrd = _op._data, *const ptrde = _op._data + _op._height; ptrd mem[%u] = %g", - (void*)&mp,n_thread,mp.debug_indent,' ', - (void*)mp.opcode._data,(void*)*mp.opcode,_op.value_string().data(), - (unsigned int)target,mp.mem[target]); - std::fflush(cimg::output()); - } - mp.debug_indent-=3; - std::fprintf(cimg::output(), - "\n[_cimg_math_parser] %p[thread #%u]:%*c" - "End debugging expression '%s' -> mem[%u] = %g (memsize: %u)", - (void*)&mp,n_thread,mp.debug_indent,' ', - expr._data,(unsigned int)g_target,mp.mem[g_target],mp.mem._width); - std::fflush(cimg::output()); - --mp.p_code; - } - return mp.mem[g_target]; - } - - static double mp_decrement(_cimg_math_parser& mp) { - return _mp_arg(2) - 1; - } - - static double mp_det(_cimg_math_parser& mp) { - const double *ptrs = &_mp_arg(2) + 1; - const unsigned int k = (unsigned int)mp.opcode(3); - return CImg(ptrs,k,k,1,1,true).det(); - } - - static double mp_diag(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const double *ptrs = &_mp_arg(2) + 1; - const unsigned int k = (unsigned int)mp.opcode(3); - CImg(ptrd,k,k,1,1,true) = CImg(ptrs,1,k,1,1,true).get_diagonal(); - return cimg::type::nan(); - } - - static double mp_div(_cimg_math_parser& mp) { - return _mp_arg(2)/_mp_arg(3); - } - - static double mp_dot(_cimg_math_parser& mp) { - const unsigned int siz = (unsigned int)mp.opcode[4]; - return CImg(&_mp_arg(2) + 1,1,siz,1,1,true). - dot(CImg(&_mp_arg(3) + 1,1,siz,1,1,true)); - } - - static double mp_dowhile(_cimg_math_parser& mp) { - const uptrT - mem_proc = mp.opcode[1], - mem_cond = mp.opcode[2]; - const CImg - *const p_proc = ++mp.p_code, - *const p_end = p_proc + mp.opcode[3]; - do { - for (mp.p_code = p_proc; mp.p_code &op = *mp.p_code; - mp.opcode._data = op._data; mp.opcode._height = op._height; - const uptrT target = mp.opcode[1]; - mp.mem[target] = _cimg_mp_defunc(mp); - } - } while (mp.mem[mem_cond]); - --mp.p_code; - return mp.mem[mem_proc]; - } - - static double mp_draw(_cimg_math_parser& mp) { - const int x = (int)_mp_arg(3), y = (int)_mp_arg(4), z = (int)_mp_arg(5), c = (int)_mp_arg(6); - const unsigned int - dx = (unsigned int)mp.opcode[7], - dy = (unsigned int)mp.opcode[8], - dz = (unsigned int)mp.opcode[9], - dc = (unsigned int)mp.opcode[10]; - const CImg S(&_mp_arg(1) + 1,dx,dy,dz,dc,true); - const float opacity = (float)_mp_arg(11); - unsigned int ind = (unsigned int)mp.opcode[2]; - if (ind!=~0U) ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - CImg &img = ind==~0U?mp.imgout:mp.listout[ind]; - if (img) { - if (mp.opcode[12]!=(uptrT)-1) { - const CImg M(&_mp_arg(12) + 1,dx,dy,dz,(unsigned int)mp.opcode[13],true); - img.draw_image(x,y,z,c,S,M,opacity,(float)_mp_arg(14)); - } else img.draw_image(x,y,z,c,S,opacity); - } - return cimg::type::nan(); - } - - static double mp_eig(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const double *ptr1 = &_mp_arg(2) + 1; - const unsigned int k = (unsigned int)mp.opcode(3); - CImg val, vec; - CImg(ptr1,k,k,1,1,true).symmetric_eigen(val,vec); - CImg(ptrd,k,1,1,1,true) = val.unroll('x'); - CImg(ptrd + k,k,k,1,1,true) = vec.get_transpose(); - return cimg::type::nan(); - } - - static double mp_eq(_cimg_math_parser& mp) { - return (double)(_mp_arg(2)==_mp_arg(3)); - } - - static double mp_exp(_cimg_math_parser& mp) { - return std::exp(_mp_arg(2)); - } - - static double mp_eye(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const unsigned int k = (unsigned int)mp.opcode(2); - CImg(ptrd,k,k,1,1,true).identity_matrix(); - return cimg::type::nan(); - } - - static double mp_g(_cimg_math_parser& mp) { - cimg::unused(mp); - return cimg::grand(); - } - - static double mp_gauss(_cimg_math_parser& mp) { - const double x = _mp_arg(2), s = _mp_arg(3); - return std::exp(-x*x/(2*s*s))/std::sqrt(2*s*s*cimg::PI); - } - - static double mp_gt(_cimg_math_parser& mp) { - return (double)(_mp_arg(2)>_mp_arg(3)); - } - - static double mp_gte(_cimg_math_parser& mp) { - return (double)(_mp_arg(2)>=_mp_arg(3)); - } - - static double mp_hypot(_cimg_math_parser& mp) { - return cimg::hypot(_mp_arg(2),_mp_arg(3)); - } - - static double mp_i(_cimg_math_parser& mp) { - return (double)mp.imgin.atXYZC((int)mp.mem[_cimg_mp_x],(int)mp.mem[_cimg_mp_y], - (int)mp.mem[_cimg_mp_z],(int)mp.mem[_cimg_mp_c],0); - } - - static double mp_if(_cimg_math_parser& mp) { - const bool is_cond = (bool)_mp_arg(2); - const uptrT - mem_left = mp.opcode[3], - mem_right = mp.opcode[4]; - const CImg - *const p_right = ++mp.p_code + mp.opcode[5], - *const p_end = p_right + mp.opcode[6]; - const unsigned int vtarget = mp.opcode[1], vsiz = mp.opcode[7]; - if (is_cond) { - for ( ; mp.p_code &op = *mp.p_code; - mp.opcode._data = op._data; mp.opcode._height = op._height; - const uptrT target = mp.opcode[1]; - mp.mem[target] = _cimg_mp_defunc(mp); - } - mp.p_code = p_end - 1; - if (vsiz) std::memcpy(&mp.mem[vtarget] + 1,&mp.mem[mem_left] + 1,sizeof(double)*vsiz); - return mp.mem[mem_left]; - } - for (mp.p_code = p_right; mp.p_code &op = *mp.p_code; - mp.opcode._data = op._data; mp.opcode._height = op._height; - const uptrT target = mp.opcode[1]; - mp.mem[target] = _cimg_mp_defunc(mp); - } - --mp.p_code; - if (vsiz) std::memcpy(&mp.mem[vtarget] + 1,&mp.mem[mem_right] + 1,sizeof(double)*vsiz); - return mp.mem[mem_right]; - } - - static double mp_increment(_cimg_math_parser& mp) { - return _mp_arg(2) + 1; - } - - static double mp_int(_cimg_math_parser& mp) { - return (double)(long)_mp_arg(2); - } - - static double mp_inv(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const double *ptr1 = &_mp_arg(2) + 1; - const unsigned int k = (unsigned int)mp.opcode(3); - CImg(ptrd,k,k,1,1,true) = CImg(ptr1,k,k,1,1,true).get_invert(); - return cimg::type::nan(); - } - - static double mp_ioff(_cimg_math_parser& mp) { - const unsigned int - boundary_conditions = (unsigned int)_mp_arg(3); - const CImg &img = mp.imgin; - const long - off = (long)_mp_arg(2), - whds = (long)img.size(); - if (off<0 || off>=whds) - switch (boundary_conditions) { - case 2 : // Periodic boundary - if (img) return (double)img[cimg::mod(off,whds)]; - return 0; - case 1 : // Neumann boundary - if (img) return (double)(off<0?*img:img.back()); - return 0; - default : // Dirichet boundary - return 0; - } - return (double)img[off]; - } - - static double mp_isbool(_cimg_math_parser& mp) { - const double val = _mp_arg(2); - return (double)(val==0.0 || val==1.0); - } - - static double mp_isin(_cimg_math_parser& mp) { - const double val = _mp_arg(2); - for (unsigned int i = 3; i::is_inf(_mp_arg(2)); - } - - static double mp_isint(_cimg_math_parser& mp) { - return (double)(cimg::mod(_mp_arg(2),1.0)==0); - } - - static double mp_isnan(_cimg_math_parser& mp) { - return (double)cimg::type::is_nan(_mp_arg(2)); - } - - static double mp_ixyzc(_cimg_math_parser& mp) { - const unsigned int - interpolation = (unsigned int)_mp_arg(6), - boundary_conditions = (unsigned int)_mp_arg(7); - const CImg &img = mp.imgin; - const double - x = _mp_arg(2), y = _mp_arg(3), - z = _mp_arg(4), c = _mp_arg(5); - if (interpolation==0) { // Nearest neighbor interpolation - if (boundary_conditions==2) - return (double)img.atXYZC(cimg::mod((int)x,img.width()), - cimg::mod((int)y,img.height()), - cimg::mod((int)z,img.depth()), - cimg::mod((int)c,img.spectrum())); - if (boundary_conditions==1) - return (double)img.atXYZC((int)x,(int)y,(int)z,(int)c); - return (double)img.atXYZC((int)x,(int)y,(int)z,(int)c,0); - } else { // Linear interpolation - if (boundary_conditions==2) - return (double)img.linear_atXYZC(cimg::mod((float)x,(float)img.width()), - cimg::mod((float)y,(float)img.height()), - cimg::mod((float)z,(float)img.depth()), - cimg::mod((float)c,(float)img.spectrum())); - if (boundary_conditions==1) - return (double)img.linear_atXYZC((float)x,(float)y,(float)z,(float)c); - return (double)img.linear_atXYZC((float)x,(float)y,(float)z,(float)c,0); - } - } - - static double mp_joff(_cimg_math_parser& mp) { - const unsigned int - boundary_conditions = (unsigned int)_mp_arg(3); - const int - ox = (int)mp.mem[_cimg_mp_x], oy = (int)mp.mem[_cimg_mp_y], - oz = (int)mp.mem[_cimg_mp_z], oc = (int)mp.mem[_cimg_mp_c]; - const CImg &img = mp.imgin; - const long - off = img.offset(ox,oy,oz,oc) + (long)_mp_arg(2), - whds = (long)img.size(); - if (off<0 || off>=whds) - switch (boundary_conditions) { - case 2 : // Periodic boundary - if (img) return (double)img[cimg::mod(off,whds)]; - return 0; - case 1 : // Neumann boundary - if (img) return (double)(off<0?*img:img.back()); - return 0; - default : // Dirichet boundary - return 0; - } - return (double)img[off]; - } - - static double mp_jxyzc(_cimg_math_parser& mp) { - const unsigned int - interpolation = (unsigned int)_mp_arg(6), - boundary_conditions = (unsigned int)_mp_arg(7); - const CImg &img = mp.imgin; - const double - ox = mp.mem[_cimg_mp_x], oy = mp.mem[_cimg_mp_y], - oz = mp.mem[_cimg_mp_z], oc = mp.mem[_cimg_mp_c], - x = ox + _mp_arg(2), y = oy + _mp_arg(3), - z = oz + _mp_arg(4), c = oc + _mp_arg(5); - if (interpolation==0) { // Nearest neighbor interpolation - if (boundary_conditions==2) - return (double)img.atXYZC(cimg::mod((int)x,img.width()), - cimg::mod((int)y,img.height()), - cimg::mod((int)z,img.depth()), - cimg::mod((int)c,img.spectrum())); - if (boundary_conditions==1) - return (double)img.atXYZC((int)x,(int)y,(int)z,(int)c); - return (double)img.atXYZC((int)x,(int)y,(int)z,(int)c,0); - } else { // Linear interpolation - if (boundary_conditions==2) - return (double)img.linear_atXYZC(cimg::mod((float)x,(float)img.width()), - cimg::mod((float)y,(float)img.height()), - cimg::mod((float)z,(float)img.depth()), - cimg::mod((float)c,(float)img.spectrum())); - if (boundary_conditions==1) - return (double)img.linear_atXYZC((float)x,(float)y,(float)z,(float)c); - return (double)img.linear_atXYZC((float)x,(float)y,(float)z,(float)c,0); - } - } - - static double mp_kth(_cimg_math_parser& mp) { - CImg vals(mp.opcode._height - 3); - double *p = vals.data(); - for (unsigned int i = 3; i &img = mp.listin[ind]; - const long - off = (long)_mp_arg(3), - whds = (long)img.size(); - if (off<0 || off>=whds) - switch (boundary_conditions) { - case 2 : // Periodic boundary - if (img) return (double)img[cimg::mod(off,whds)]; - return 0; - case 1 : // Neumann boundary - if (img) return (double)(off<0?*img:img.back()); - return 0; - default : // Dirichet boundary - return 0; - } - return (double)img[off]; - } - - static double mp_list_is_shared(_cimg_math_parser& mp) { - const unsigned int ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - return (double)mp.listin[ind]._is_shared; - } - - static double mp_list_ixyzc(_cimg_math_parser& mp) { - const unsigned int - ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()), - interpolation = (unsigned int)_mp_arg(7), - boundary_conditions = (unsigned int)_mp_arg(8); - const CImg &img = mp.listin[ind]; - const double - x = _mp_arg(3), y = _mp_arg(4), - z = _mp_arg(5), c = _mp_arg(6); - if (interpolation==0) { // Nearest neighbor interpolation - if (boundary_conditions==2) - return (double)img.atXYZC(cimg::mod((int)x,img.width()), - cimg::mod((int)y,img.height()), - cimg::mod((int)z,img.depth()), - cimg::mod((int)c,img.spectrum())); - if (boundary_conditions==1) - return (double)img.atXYZC((int)x,(int)y,(int)z,(int)c); - return (double)img.atXYZC((int)x,(int)y,(int)z,(int)c,0); - } else { // Linear interpolation - if (boundary_conditions==2) - return (double)img.linear_atXYZC(cimg::mod((float)x,(float)img.width()), - cimg::mod((float)y,(float)img.height()), - cimg::mod((float)z,(float)img.depth()), - cimg::mod((float)c,(float)img.spectrum())); - if (boundary_conditions==1) - return (double)img.linear_atXYZC((float)x,(float)y,(float)z,(float)c); - return (double)img.linear_atXYZC((float)x,(float)y,(float)z,(float)c,0); - } - } - - static double mp_list_joff(_cimg_math_parser& mp) { - const unsigned int - ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()), - boundary_conditions = (unsigned int)_mp_arg(4); - const int - ox = (int)mp.mem[_cimg_mp_x], oy = (int)mp.mem[_cimg_mp_y], - oz = (int)mp.mem[_cimg_mp_z], oc = (int)mp.mem[_cimg_mp_c]; - const CImg &img = mp.listin[ind]; - const long - off = img.offset(ox,oy,oz,oc) + (long)_mp_arg(3), - whds = (long)img.size(); - if (off<0 || off>=whds) - switch (boundary_conditions) { - case 2 : // Periodic boundary - if (img) return (double)img(ind,cimg::mod(off,whds)); - return 0; - case 1 : // Neumann boundary - if (img) return (double)(off<0?*img:img.back()); - return 0; - default : // Dirichet boundary - return 0; - } - return (double)img[off]; - } - - static double mp_list_jxyzc(_cimg_math_parser& mp) { - const unsigned int - ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()), - interpolation = (unsigned int)_mp_arg(7), - boundary_conditions = (unsigned int)_mp_arg(8); - const CImg &img = mp.listin[ind]; - const double - ox = mp.mem[_cimg_mp_x], oy = mp.mem[_cimg_mp_y], - oz = mp.mem[_cimg_mp_z], oc = mp.mem[_cimg_mp_c], - x = ox + _mp_arg(3), y = oy + _mp_arg(4), - z = oz + _mp_arg(5), c = oc + _mp_arg(6); - if (interpolation==0) { // Nearest neighbor interpolation - if (boundary_conditions==2) - return (double)img.atXYZC(cimg::mod((int)x,img.width()), - cimg::mod((int)y,img.height()), - cimg::mod((int)z,img.depth()), - cimg::mod((int)c,img.spectrum())); - if (boundary_conditions==1) - return (double)img.atXYZC((int)x,(int)y,(int)z,(int)c); - return (double)img.atXYZC((int)x,(int)y,(int)z,(int)c,0); - } else { // Linear interpolation - if (boundary_conditions==2) - return (double)img.linear_atXYZC(cimg::mod((float)x,(float)img.width()), - cimg::mod((float)y,(float)img.height()), - cimg::mod((float)z,(float)img.depth()), - cimg::mod((float)c,(float)img.spectrum())); - if (boundary_conditions==1) - return (double)img.linear_atXYZC((float)x,(float)y,(float)z,(float)c); - return (double)img.linear_atXYZC((float)x,(float)y,(float)z,(float)c,0); - } - } - - static double mp_list_median(_cimg_math_parser& mp) { - const unsigned int ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - if (!mp.list_median) mp.list_median.assign(mp.listin._width); - if (!mp.list_median[ind]) CImg::vector(mp.listin[ind].median()).move_to(mp.list_median[ind]); - return *mp.list_median[ind]; - } - - static double mp_list_set_ioff(_cimg_math_parser& mp) { - const unsigned int ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - CImg &img = mp.listout[ind]; - const long - off = (long)_mp_arg(3), - whds = (long)img.size(); - const double val = _mp_arg(1); - if (off>=0 && off &img = mp.listout[ind]; - const int - x = (int)_mp_arg(3), y = (int)_mp_arg(4), - z = (int)_mp_arg(5), c = (int)_mp_arg(6); - const double val = _mp_arg(1); - if (x>=0 && x=0 && y=0 && z=0 && c &img = mp.listout[ind]; - const int - ox = (int)mp.mem[_cimg_mp_x], oy = (int)mp.mem[_cimg_mp_y], - oz = (int)mp.mem[_cimg_mp_z], oc = (int)mp.mem[_cimg_mp_c]; - const long - off = img.offset(ox,oy,oz,oc) + (long)_mp_arg(3), - whds = (long)img.size(); - const double val = _mp_arg(1); - if (off>=0 && off &img = mp.listout[ind]; - const double - ox = mp.mem[_cimg_mp_x], oy = mp.mem[_cimg_mp_y], - oz = mp.mem[_cimg_mp_z], oc = mp.mem[_cimg_mp_c]; - const int - x = (int)(ox + _mp_arg(3)), y = (int)(oy + _mp_arg(4)), - z = (int)(oz + _mp_arg(5)), c = (int)(oc + _mp_arg(6)); - const double val = _mp_arg(1); - if (x>=0 && x=0 && y=0 && z=0 && c &img = mp.listout[ind]; - const long - off = (long)_mp_arg(3), - whd = img.width()*img.height()*img.depth(); - const T val = (T)_mp_arg(1); - if (off>=0 && off &img = mp.listout[ind]; - const long - off = (long)_mp_arg(3), - whd = img.width()*img.height()*img.depth(); - const double *ptrs = &_mp_arg(1) + 1; - if (off>=0 && off::nan(); - } - - static double mp_list_set_Ixyz_s(_cimg_math_parser& mp) { - const unsigned int ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - CImg &img = mp.listout[ind]; - const int x = (int)_mp_arg(3), y = (int)_mp_arg(4), z = (int)_mp_arg(5); - const T val = (T)_mp_arg(1); - if (x>=0 && x=0 && y=0 && z &img = mp.listout[ind]; - const int x = (int)_mp_arg(3), y = (int)_mp_arg(4), z = (int)_mp_arg(5); - const double *ptrs = &_mp_arg(1) + 1; - if (x>=0 && x=0 && y=0 && z::nan(); - } - - static double mp_list_set_Joff_s(_cimg_math_parser& mp) { - const unsigned int ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - CImg &img = mp.listout[ind]; - const int - ox = (int)mp.mem[_cimg_mp_x], oy = (int)mp.mem[_cimg_mp_y], - oz = (int)mp.mem[_cimg_mp_z], oc = (int)mp.mem[_cimg_mp_c]; - const long - off = img.offset(ox,oy,oz,oc) + (long)_mp_arg(3), - whd = img.width()*img.height()*img.depth(); - const T val = (T)_mp_arg(1); - if (off>=0 && off &img = mp.listout[ind]; - const int - ox = (int)mp.mem[_cimg_mp_x], oy = (int)mp.mem[_cimg_mp_y], - oz = (int)mp.mem[_cimg_mp_z], oc = (int)mp.mem[_cimg_mp_c]; - const long - off = img.offset(ox,oy,oz,oc) + (long)_mp_arg(3), - whd = img.width()*img.height()*img.depth(); - const double *ptrs = &_mp_arg(1) + 1; - if (off>=0 && off::nan(); - } - - static double mp_list_set_Jxyz_s(_cimg_math_parser& mp) { - const unsigned int ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - CImg &img = mp.listout[ind]; - const double ox = mp.mem[_cimg_mp_x], oy = mp.mem[_cimg_mp_y], oz = mp.mem[_cimg_mp_z]; - const int x = (int)(ox + _mp_arg(3)), y = (int)(oy + _mp_arg(4)), z = (int)(oz + _mp_arg(5)); - const T val = (T)_mp_arg(1); - if (x>=0 && x=0 && y=0 && z &img = mp.listout[ind]; - const double ox = mp.mem[_cimg_mp_x], oy = mp.mem[_cimg_mp_y], oz = mp.mem[_cimg_mp_z]; - const int x = (int)(ox + _mp_arg(3)), y = (int)(oy + _mp_arg(4)), z = (int)(oz + _mp_arg(5)); - const double *ptrs = &_mp_arg(1) + 1; - if (x>=0 && x=0 && y=0 && z::nan(); - } - - static double mp_list_spectrum(_cimg_math_parser& mp) { - const unsigned int ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - return (double)mp.listin[ind]._spectrum; - } - - static double mp_list_stats(_cimg_math_parser& mp) { - const unsigned int - ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()), - k = (unsigned int)_mp_arg(3); - if (!mp.list_stats) mp.list_stats.assign(mp.listin._width); - if (!mp.list_stats[ind]) mp.list_stats[ind].assign(1,14,1,1,0).fill(mp.listin[ind].get_stats(),false); - return mp.list_stats(ind,k); - } - - static double mp_list_wh(_cimg_math_parser& mp) { - const unsigned int ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - return (double)mp.listin[ind]._width*mp.listin[ind]._height; - } - - static double mp_list_whd(_cimg_math_parser& mp) { - const unsigned int ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - return (double)mp.listin[ind]._width*mp.listin[ind]._height*mp.listin[ind]._depth; - } - - static double mp_list_whds(_cimg_math_parser& mp) { - const unsigned int ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - return (double)mp.listin[ind]._width*mp.listin[ind]._height*mp.listin[ind]._depth*mp.listin[ind]._spectrum; - } - - static double mp_list_width(_cimg_math_parser& mp) { - const unsigned int ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()); - return (double)mp.listin[ind]._width; - } - - static double mp_list_Ioff(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const unsigned int - ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()), - boundary_conditions = (unsigned int)_mp_arg(4); - const CImg &img = mp.listin[ind]; - const long - off = (long)_mp_arg(3), - whd = img.width()*img.height()*img.depth(); - const T *ptrs; - if (off<0 || off>=whd) - switch (boundary_conditions) { - case 2 : // Periodic boundary - if (!img) { - ptrs = &img[cimg::mod(off,whd)]; - cimg_forC(img,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - } else std::memset(ptrd,0,img._spectrum*sizeof(double)); - return cimg::type::nan(); - case 1 : // Neumann boundary - if (img) { - ptrs = off<0?img._data:&img.back(); - cimg_forC(img,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - } else std::memset(ptrd,0,img._spectrum*sizeof(double)); - return cimg::type::nan(); - default : // Dirichet boundary - std::memset(ptrd,0,img._spectrum*sizeof(double)); - return cimg::type::nan(); - } - ptrs = &img[off]; - cimg_forC(img,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - return cimg::type::nan(); - } - - static double mp_list_Ixyz(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const unsigned int - ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()), - interpolation = (unsigned int)_mp_arg(6), - boundary_conditions = (unsigned int)_mp_arg(7); - const CImg &img = mp.listin[ind]; - const double x = _mp_arg(3), y = _mp_arg(4), z = _mp_arg(5); - if (interpolation==0) { // Nearest neighbor interpolation - if (boundary_conditions==2) - cimg_forC(img,c) - *(ptrd++) = (double)img.atXYZ(cimg::mod((int)x,img.width()), - cimg::mod((int)y,img.height()), - cimg::mod((int)z,img.depth()), - c); - else if (boundary_conditions==1) - cimg_forC(img,c) - *(ptrd++) = (double)img.atXYZ((int)x,(int)y,(int)z,c); - else - cimg_forC(img,c) - *(ptrd++) = (double)img.atXYZ((int)x,(int)y,(int)z,c,0); - } else { // Linear interpolation - if (boundary_conditions==2) - cimg_forC(img,c) - *(ptrd++) = (double)img.linear_atXYZ(cimg::mod((float)x,(float)img.width()), - cimg::mod((float)y,(float)img.height()), - cimg::mod((float)z,(float)img.depth()),c); - else if (boundary_conditions==1) - cimg_forC(img,c) - *(ptrd++) = (double)img.linear_atXYZ((float)x,(float)y,(float)z,c); - else - cimg_forC(img,c) - *(ptrd++) = (double)img.linear_atXYZ((float)x,(float)y,(float)z,c,0); - } - return cimg::type::nan(); - } - - static double mp_list_Joff(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const unsigned int - ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()), - boundary_conditions = (unsigned int)_mp_arg(4); - const int - ox = (int)mp.mem[_cimg_mp_x], oy = (int)mp.mem[_cimg_mp_y], oz = (int)mp.mem[_cimg_mp_z]; - const CImg &img = mp.listin[ind]; - const long - off = img.offset(ox,oy,oz) + (long)_mp_arg(3), - whd = img.width()*img.height()*img.depth(); - const T *ptrs; - if (off<0 || off>=whd) - switch (boundary_conditions) { - case 2 : // Periodic boundary - if (!img) { - ptrs = &img[cimg::mod(off,whd)]; - cimg_forC(img,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - } else std::memset(ptrd,0,img._spectrum*sizeof(double)); - return cimg::type::nan(); - case 1 : // Neumann boundary - if (img) { - ptrs = off<0?img._data:&img.back(); - cimg_forC(img,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - } else std::memset(ptrd,0,img._spectrum*sizeof(double)); - return cimg::type::nan(); - default : // Dirichet boundary - std::memset(ptrd,0,img._spectrum*sizeof(double)); - return cimg::type::nan(); - } - ptrs = &img[off]; - cimg_forC(img,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - return cimg::type::nan(); - } - - static double mp_list_Jxyz(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const unsigned int - ind = (unsigned int)cimg::mod((int)_mp_arg(2),mp.listin.width()), - interpolation = (unsigned int)_mp_arg(6), - boundary_conditions = (unsigned int)_mp_arg(7); - const CImg &img = mp.listin[ind]; - const double - ox = mp.mem[_cimg_mp_x], oy = mp.mem[_cimg_mp_y], oz = mp.mem[_cimg_mp_z], - x = ox + _mp_arg(3), y = oy + _mp_arg(4), z = oz + _mp_arg(5); - if (interpolation==0) { // Nearest neighbor interpolation - if (boundary_conditions==2) - cimg_forC(img,c) - *(ptrd++) = (double)img.atXYZ(cimg::mod((int)x,img.width()), - cimg::mod((int)y,img.height()), - cimg::mod((int)z,img.depth()), - c); - else if (boundary_conditions==1) - cimg_forC(img,c) - *(ptrd++) = (double)img.atXYZ((int)x,(int)y,(int)z,c); - else - cimg_forC(img,c) - *(ptrd++) = (double)img.atXYZ((int)x,(int)y,(int)z,c,0); - } else { // Linear interpolation - if (boundary_conditions==2) - cimg_forC(img,c) - *(ptrd++) = (double)img.linear_atXYZ(cimg::mod((float)x,(float)img.width()), - cimg::mod((float)y,(float)img.height()), - cimg::mod((float)z,(float)img.depth()),c); - else if (boundary_conditions==1) - cimg_forC(img,c) - *(ptrd++) = (double)img.linear_atXYZ((float)x,(float)y,(float)z,c); - else - cimg_forC(img,c) - *(ptrd++) = (double)img.linear_atXYZ((float)x,(float)y,(float)z,c,0); - } - return cimg::type::nan(); - } - - static double mp_log(_cimg_math_parser& mp) { - return std::log(_mp_arg(2)); - } - - static double mp_log10(_cimg_math_parser& mp) { - return std::log10(_mp_arg(2)); - } - - static double mp_log2(_cimg_math_parser& mp) { - return cimg::log2(_mp_arg(2)); - } - - static double mp_logical_and(_cimg_math_parser& mp) { - const bool val_left = (bool)_mp_arg(2); - const CImg *const p_end = ++mp.p_code + mp.opcode[4]; - if (!val_left) { mp.p_code = p_end - 1; return 0; } - const uptrT mem_right = mp.opcode[3]; - for ( ; mp.p_code &op = *mp.p_code; - mp.opcode._data = op._data; mp.opcode._height = op._height; - const uptrT target = mp.opcode[1]; - mp.mem[target] = _cimg_mp_defunc(mp); - } - --mp.p_code; - return (double)(bool)mp.mem[mem_right]; - } - - static double mp_logical_not(_cimg_math_parser& mp) { - return (double)!_mp_arg(2); - } - - static double mp_logical_or(_cimg_math_parser& mp) { - const bool val_left = (bool)_mp_arg(2); - const CImg *const p_end = ++mp.p_code + mp.opcode[4]; - if (val_left) { mp.p_code = p_end - 1; return 1; } - const uptrT mem_right = mp.opcode[3]; - for ( ; mp.p_code &op = *mp.p_code; - mp.opcode._data = op._data; mp.opcode._height = op._height; - const uptrT target = mp.opcode[1]; - mp.mem[target] = _cimg_mp_defunc(mp); - } - --mp.p_code; - return (double)(bool)mp.mem[mem_right]; - } - - - static double mp_lt(_cimg_math_parser& mp) { - return (double)(_mp_arg(2)<_mp_arg(3)); - } - - static double mp_lte(_cimg_math_parser& mp) { - return (double)(_mp_arg(2)<=_mp_arg(3)); - } - - static double mp_matrix_mul(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const double - *ptr1 = &_mp_arg(2) + 1, - *ptr2 = &_mp_arg(3) + 1; - const unsigned int - k = (unsigned int)mp.opcode(4), - l = (unsigned int)mp.opcode(5), - m = (unsigned int)mp.opcode(6); - CImg(ptrd,m,k,1,1,true) = CImg(ptr1,l,k,1,1,true)*CImg(ptr2,m,l,1,1,true); - return cimg::type::nan(); - } - - static double mp_max(_cimg_math_parser& mp) { - double val = _mp_arg(2); - for (unsigned int i = 3; i=mp.mem.width()) - throw CImgArgumentException("[_cimg_math_parser] CImg<%s>: 'copy()': " - "Out-of-bounds variable pointer " - "(length: %ld, increment: %ld, offset start: %ld, " - "offset end: %ld, offset max: %u).", - mp.imgin.pixel_type(),siz,inc,off,eoff,mp.mem._width - 1); - return &mp.mem[off]; - } - - static float* _mp_memcopy_float(_cimg_math_parser& mp, const uptrT *const p_ref, - const long siz, const long inc) { - const unsigned ind = p_ref[1]; - const CImg &img = ind==~0U?mp.imgin:mp.listin[cimg::mod((int)mp.mem[ind],mp.listin.width())]; - const bool is_relative = (bool)p_ref[2]; - int ox, oy, oz, oc; - long off = 0; - if (is_relative) { - ox = (int)mp.mem[_cimg_mp_x]; - oy = (int)mp.mem[_cimg_mp_y]; - oz = (int)mp.mem[_cimg_mp_z]; - oc = (int)mp.mem[_cimg_mp_c]; - off = img.offset(ox,oy,oz,oc); - } - if ((*p_ref)%2) { - const int - x = (int)mp.mem[p_ref[3]], - y = (int)mp.mem[p_ref[4]], - z = (int)mp.mem[p_ref[5]], - c = *p_ref==5?0:(int)mp.mem[p_ref[6]]; - off+=(long)img.offset(x,y,z,c); - } else off+=(long)mp.mem[p_ref[3]]; - const long eoff = off + (siz - 1)*inc; - if (off<0 || eoff>=(long)img.size()) - throw CImgArgumentException("[_cimg_math_parser] CImg<%s>: Function 'copy()': " - "Out-of-bounds image pointer " - "(length: %ld, increment: %ld, offset start: %ld, " - "offset end: %ld, offset max: %lu).", - mp.imgin.pixel_type(),siz,inc,off,eoff,img.size() - 1); - return (float*)&img[off]; - } - - static double mp_memcopy(_cimg_math_parser& mp) { - long siz = (long)_mp_arg(4); - const long inc_d = (long)_mp_arg(5), inc_s = (long)_mp_arg(6); - if (siz>0) { - const bool - is_doubled = mp.opcode[7]<=1, - is_doubles = mp.opcode[14]<=1; - if (is_doubled && is_doubles) { // (double*) <- (double*) - double *ptrd = _mp_memcopy_double(mp,mp.opcode[2],&mp.opcode[7],siz,inc_d); - const double *ptrs = _mp_memcopy_double(mp,mp.opcode[3],&mp.opcode[14],siz,inc_s); - if (inc_d==1 && inc_s==1) { - if (ptrs + siz - 1ptrd + siz - 1) std::memcpy(ptrd,ptrs,siz*sizeof(double)); - else std::memmove(ptrd,ptrs,siz*sizeof(double)); - } else { - if (ptrs + (siz - 1)*inc_sptrd + (siz - 1)*inc_d) - while (siz-->0) { *ptrd = (double)*ptrs; ptrd+=inc_d; ptrs+=inc_s; } - else { // Overlapping buffers - CImg buf(siz); - cimg_for(buf,ptr,double) { *ptr = *ptrs; ptrs+=inc_s; } - ptrs = buf; - while (siz-->0) { *ptrd = *(ptrs++); ptrd+=inc_d; } - } - } - } else if (is_doubled && !is_doubles) { // (double*) <- (float*) - double *ptrd = _mp_memcopy_double(mp,mp.opcode[2],&mp.opcode[7],siz,inc_d); - const float *ptrs = _mp_memcopy_float(mp,&mp.opcode[14],siz,inc_s); - while (siz-->0) { *ptrd = (double)*ptrs; ptrd+=inc_d; ptrs+=inc_s; } - } else if (!is_doubled && is_doubles) { // (float*) <- (double*) - float *ptrd = _mp_memcopy_float(mp,&mp.opcode[7],siz,inc_d); - const double *ptrs = _mp_memcopy_double(mp,mp.opcode[3],&mp.opcode[14],siz,inc_s); - while (siz-->0) { *ptrd = (float)*ptrs; ptrd+=inc_d; ptrs+=inc_s; } - } else { // (float*) <- (float*) - float *ptrd = _mp_memcopy_float(mp,&mp.opcode[7],siz,inc_d); - const float *ptrs = _mp_memcopy_float(mp,&mp.opcode[14],siz,inc_s); - if (inc_d==1 && inc_s==1) { - if (ptrs + siz - 1ptrd + siz - 1) std::memcpy(ptrd,ptrs,siz*sizeof(float)); - else std::memmove(ptrd,ptrs,siz*sizeof(float)); - } else { - if (ptrs + (siz - 1)*inc_sptrd + (siz - 1)*inc_d) - while (siz-->0) { *ptrd = (float)*ptrs; ptrd+=inc_d; ptrs+=inc_s; } - else { // Overlapping buffers - CImg buf(siz); - cimg_for(buf,ptr,float) { *ptr = *ptrs; ptrs+=inc_s; } - ptrs = buf; - while (siz-->0) { *ptrd = *(ptrs++); ptrd+=inc_d; } - } - } - } - } - return _mp_arg(1); - } - - static double mp_min(_cimg_math_parser& mp) { - double val = _mp_arg(2); - for (unsigned int i = 3; i vals(mp.opcode._height - 2); - double *p = vals.data(); - for (unsigned int i = 2; ires) res = val; - } - return res; - } - - static double mp_normp(_cimg_math_parser& mp) { - const double p = (double)mp.opcode[2]; - double res = 0; - for (unsigned int i = 3; i0?res:0.0; - } - - static double mp_pow(_cimg_math_parser& mp) { - const double v = _mp_arg(2), p = _mp_arg(3); - return std::pow(v,p); - } - - static double mp_pow3(_cimg_math_parser& mp) { - const double val = _mp_arg(2); - return val*val*val; - } - - static double mp_pow4(_cimg_math_parser& mp) { - const double val = _mp_arg(2); - return val*val*val*val; - } - - static double mp_print(_cimg_math_parser& mp) { - cimg::mutex(6); - CImg expr(mp.opcode._height - 2); - const uptrT *ptrs = mp.opcode._data + 2; - cimg_for(expr,ptrd,char) *ptrd = (char)*(ptrs++); - cimg::strellipsize(expr); - const double val = _mp_arg(1); -#ifdef cimg_use_openmp -#pragma omp critical -#endif - { - std::fprintf(cimg::output(),"\n[_cimg_math_parser] %s = %g",expr._data,val); - std::fflush(cimg::output()); - } - cimg::mutex(6,0); - return val; - } - - static double mp_prod(_cimg_math_parser& mp) { - double val = _mp_arg(2); - for (unsigned int i = 3; i::nan(); - } - - static double mp_rot3d(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const float x = (float)_mp_arg(2), y = (float)_mp_arg(3), z = (float)_mp_arg(4), theta = (float)_mp_arg(5); - CImg(ptrd,3,3,1,1,true) = CImg::rotation_matrix(x,y,z,theta); - return cimg::type::nan(); - } - - static double mp_round(_cimg_math_parser& mp) { - return cimg::round(_mp_arg(2),_mp_arg(3),(int)_mp_arg(4)); - } - - static double mp_self_add(_cimg_math_parser& mp) { - return _mp_arg(1)+=_mp_arg(2); - } - - static double mp_self_bitwise_and(_cimg_math_parser& mp) { - double &val = _mp_arg(1); - return val = (double)((unsigned long)val & (unsigned long)_mp_arg(2)); - } - - static double mp_self_bitwise_left_shift(_cimg_math_parser& mp) { - double &val = _mp_arg(1); - return val = (double)((long)val<<(unsigned int)_mp_arg(2)); - } - - static double mp_self_bitwise_or(_cimg_math_parser& mp) { - double &val = _mp_arg(1); - return val = (double)((unsigned long)val | (unsigned long)_mp_arg(2)); - } - - static double mp_self_bitwise_right_shift(_cimg_math_parser& mp) { - double &val = _mp_arg(1); - return val = (double)((long)val>>(unsigned int)_mp_arg(2)); - } - - static double mp_self_decrement(_cimg_math_parser& mp) { - return --_mp_arg(1); - } - - static double mp_self_increment(_cimg_math_parser& mp) { - return ++_mp_arg(1); - } - - static double mp_self_map_vector_s(_cimg_math_parser& mp) { // Vector += scalar - unsigned int - ptrd = (unsigned int)mp.opcode[1] + 1, - siz = (unsigned int)mp.opcode[2]; - mp_func op = (mp_func)mp.opcode[3]; - CImg l_opcode(1,3); - l_opcode[2] = mp.opcode[4]; // Scalar argument. - l_opcode.swap(mp.opcode); - uptrT &target = mp.opcode[1]; - while (siz-->0) { target = ptrd++; (*op)(mp); } - l_opcode.swap(mp.opcode); - return cimg::type::nan(); - } - - static double mp_self_map_vector_v(_cimg_math_parser& mp) { // Vector += vector - unsigned int - ptrd = (unsigned int)mp.opcode[1] + 1, - siz = (unsigned int)mp.opcode[2], - ptrs = (unsigned int)mp.opcode[4] + 1; - mp_func op = (mp_func)mp.opcode[3]; - CImg l_opcode(1,4); - l_opcode.swap(mp.opcode); - uptrT &target = mp.opcode[1], &argument = mp.opcode[2]; - while (siz-->0) { target = ptrd++; argument = ptrs++; (*op)(mp); } - l_opcode.swap(mp.opcode); - return cimg::type::nan(); - } - - static double mp_self_mul(_cimg_math_parser& mp) { - return _mp_arg(1)*=_mp_arg(2); - } - - static double mp_self_div(_cimg_math_parser& mp) { - return _mp_arg(1)/=_mp_arg(2); - } - - static double mp_self_modulo(_cimg_math_parser& mp) { - double &val = _mp_arg(1); - return val = cimg::mod(val,_mp_arg(2)); - } - - static double mp_self_pow(_cimg_math_parser& mp) { - double &val = _mp_arg(1); - return val = std::pow(val,_mp_arg(2)); - } - - static double mp_self_sub(_cimg_math_parser& mp) { - return _mp_arg(1)-=_mp_arg(2); - } - - static double mp_set_ioff(_cimg_math_parser& mp) { - CImg &img = mp.imgout; - const long - off = (long)_mp_arg(2), - whds = (long)img.size(); - const double val = _mp_arg(1); - if (off>=0 && off &img = mp.imgout; - const int - x = (int)_mp_arg(2), y = (int)_mp_arg(3), - z = (int)_mp_arg(4), c = (int)_mp_arg(5); - const double val = _mp_arg(1); - if (x>=0 && x=0 && y=0 && z=0 && c &img = mp.imgout; - const int - ox = (int)mp.mem[_cimg_mp_x], oy = (int)mp.mem[_cimg_mp_y], - oz = (int)mp.mem[_cimg_mp_z], oc = (int)mp.mem[_cimg_mp_c]; - const long - off = img.offset(ox,oy,oz,oc) + (long)_mp_arg(2), - whds = (long)img.size(); - const double val = _mp_arg(1); - if (off>=0 && off &img = mp.imgout; - const double - ox = mp.mem[_cimg_mp_x], oy = mp.mem[_cimg_mp_y], - oz = mp.mem[_cimg_mp_z], oc = mp.mem[_cimg_mp_c]; - const int - x = (int)(ox + _mp_arg(2)), y = (int)(oy + _mp_arg(3)), - z = (int)(oz + _mp_arg(4)), c = (int)(oc + _mp_arg(5)); - const double val = _mp_arg(1); - if (x>=0 && x=0 && y=0 && z=0 && c &img = mp.imgout; - const long - off = (long)_mp_arg(2), - whd = img.width()*img.height()*img.depth(); - const T val = (T)_mp_arg(1); - if (off>=0 && off &img = mp.imgout; - const long - off = (long)_mp_arg(2), - whd = img.width()*img.height()*img.depth(); - const double *ptrs = &_mp_arg(1) + 1; - if (off>=0 && off::nan(); - } - - static double mp_set_Ixyz_s(_cimg_math_parser& mp) { - CImg &img = mp.imgout; - const int x = (int)_mp_arg(2), y = (int)_mp_arg(3), z = (int)_mp_arg(4); - const T val = (T)_mp_arg(1); - if (x>=0 && x=0 && y=0 && z &img = mp.imgout; - const int x = (int)_mp_arg(2), y = (int)_mp_arg(3), z = (int)_mp_arg(4); - const double *ptrs = &_mp_arg(1) + 1; - if (x>=0 && x=0 && y=0 && z::nan(); - } - - static double mp_set_Joff_s(_cimg_math_parser& mp) { - CImg &img = mp.imgout; - const int - ox = (int)mp.mem[_cimg_mp_x], oy = (int)mp.mem[_cimg_mp_y], - oz = (int)mp.mem[_cimg_mp_z], oc = (int)mp.mem[_cimg_mp_c]; - const long - off = img.offset(ox,oy,oz,oc) + (long)_mp_arg(2), - whd = img.width()*img.height()*img.depth(); - const T val = (T)_mp_arg(1); - if (off>=0 && off &img = mp.imgout; - const int - ox = (int)mp.mem[_cimg_mp_x], oy = (int)mp.mem[_cimg_mp_y], - oz = (int)mp.mem[_cimg_mp_z], oc = (int)mp.mem[_cimg_mp_c]; - const long - off = img.offset(ox,oy,oz,oc) + (long)_mp_arg(2), - whd = img.width()*img.height()*img.depth(); - const double *ptrs = &_mp_arg(1) + 1; - if (off>=0 && off::nan(); - } - - static double mp_set_Jxyz_s(_cimg_math_parser& mp) { - CImg &img = mp.imgout; - const double ox = mp.mem[_cimg_mp_x], oy = mp.mem[_cimg_mp_y], oz = mp.mem[_cimg_mp_z]; - const int x = (int)(ox + _mp_arg(2)), y = (int)(oy + _mp_arg(3)), z = (int)(oz + _mp_arg(4)); - const T val = (T)_mp_arg(1); - if (x>=0 && x=0 && y=0 && z &img = mp.imgout; - const double ox = mp.mem[_cimg_mp_x], oy = mp.mem[_cimg_mp_y], oz = mp.mem[_cimg_mp_z]; - const int x = (int)(ox + _mp_arg(2)), y = (int)(oy + _mp_arg(3)), z = (int)(oz + _mp_arg(4)); - const double *ptrs = &_mp_arg(1) + 1; - if (x>=0 && x=0 && y=0 && z::nan(); - } - - static double mp_sign(_cimg_math_parser& mp) { - return cimg::sign(_mp_arg(2)); - } - - static double mp_sin(_cimg_math_parser& mp) { - return std::sin(_mp_arg(2)); - } - - static double mp_sinc(_cimg_math_parser& mp) { - return cimg::sinc(_mp_arg(2)); - } - - static double mp_single(_cimg_math_parser& mp) { - const double res = _mp_arg(1); -#ifdef cimg_use_openmp -#pragma omp critical -#endif - { - for (const CImg *const p_end = ++mp.p_code + mp.opcode[2]; - mp.p_code &op = *mp.p_code; - mp.opcode._data = op._data; mp.opcode._height = op._height; - const uptrT target = mp.opcode[1]; - mp.mem[target] = _cimg_mp_defunc(mp); - } - } - --mp.p_code; - return res; - } - - static double mp_sinh(_cimg_math_parser& mp) { - return std::sinh(_mp_arg(2)); - } - - static double mp_solve(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const double - *ptr1 = &_mp_arg(2) + 1, - *ptr2 = &_mp_arg(3) + 1; - const unsigned int - k = (unsigned int)mp.opcode(4), - l = (unsigned int)mp.opcode(5), - m = (unsigned int)mp.opcode(6); - CImg(ptrd,m,k,1,1,true) = CImg(ptr2,m,l,1,1,true).get_solve(CImg(ptr1,k,l,1,1,true)); - return cimg::type::nan(); - } - - static double mp_sort(_cimg_math_parser& mp) { - double *const ptrd = &_mp_arg(1) + 1; - const double *const ptrs = &_mp_arg(2) + 1; - const unsigned int - siz = mp.opcode[3], - chunk_siz = mp.opcode[5]; - const bool is_increasing = (bool)_mp_arg(4); - CImg(ptrd,chunk_siz,siz/chunk_siz,1,1,true) = CImg(ptrs,chunk_siz,siz/chunk_siz,1,1,true). - get_sort(is_increasing,chunk_siz>1?'y':0); - return cimg::type::nan(); - } - - static double mp_sqr(_cimg_math_parser& mp) { - return cimg::sqr(_mp_arg(2)); - } - - static double mp_sqrt(_cimg_math_parser& mp) { - return std::sqrt(_mp_arg(2)); - } - - static double mp_std(_cimg_math_parser& mp) { - CImg vals(mp.opcode._height - 2); - double *p = vals.data(); - for (unsigned int i = 2; i(ptrs,k,k,1,1,true).trace(); - } - - static double mp_transp(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const double *ptr1 = &_mp_arg(2) + 1; - const unsigned int - k = (unsigned int)mp.opcode(3), - l = (unsigned int)mp.opcode(4); - CImg(ptrd,l,k,1,1,true) = CImg(ptr1,k,l,1,1,true).get_transpose(); - return cimg::type::nan(); - } - - static double mp_u(_cimg_math_parser& mp) { - return cimg::rand(_mp_arg(2),_mp_arg(3)); - } - - static double mp_var(_cimg_math_parser& mp) { - CImg vals(mp.opcode._height - 2); - double *p = vals.data(); - for (unsigned int i = 2; i::nan(); - } - - static double mp_vector_crop(_cimg_math_parser& mp) { - double *const ptrd = &_mp_arg(1) + 1; - const double *const ptrs = &_mp_arg(2) + 1; - const unsigned int p1 = mp.opcode[3], p2 = mp.opcode[4]; - std::memcpy(ptrd,ptrs + p1,p2*sizeof(double)); - return cimg::type::nan(); - } - - static double mp_vector_init(_cimg_math_parser& mp) { - unsigned int - ptrs = 3U, - ptrd = (unsigned int)mp.opcode[1] + 1, - siz = (unsigned int)mp.opcode[2]; - switch (mp.opcode._height) { - case 3 : std::memset(mp.mem._data + ptrd,0,siz*sizeof(double)); break; // 0 values given - case 4 : { const double val = _mp_arg(ptrs); while (siz-->0) mp.mem[ptrd++] = val; } break; - default : while (siz-->0) { mp.mem[ptrd++] = _mp_arg(ptrs++); if (ptrs>=mp.opcode._height) ptrs = 3U; } - } - return cimg::type::nan(); - } - - static double mp_vector_map_sv(_cimg_math_parser& mp) { // Operator(scalar,vector) - unsigned int - siz = (unsigned int)mp.opcode[2], - ptrs = (unsigned int)mp.opcode[5] + 1; - double *ptrd = &_mp_arg(1) + 1; - mp_func op = (mp_func)mp.opcode[3]; - CImg l_opcode(4); - l_opcode[2] = mp.opcode[4]; // Scalar argument1 - l_opcode.swap(mp.opcode); - uptrT &argument2 = mp.opcode[3]; - while (siz-->0) { argument2 = ptrs++; *(ptrd++) = (*op)(mp); } - l_opcode.swap(mp.opcode); - return cimg::type::nan(); - } - - static double mp_vector_map_v(_cimg_math_parser& mp) { // Operator(vector) - unsigned int - siz = (unsigned int)mp.opcode[2], - ptrs = (unsigned int)mp.opcode[4] + 1; - double *ptrd = &_mp_arg(1) + 1; - mp_func op = (mp_func)mp.opcode[3]; - CImg l_opcode(1,3); - l_opcode.swap(mp.opcode); - uptrT &argument = mp.opcode[2]; - while (siz-->0) { argument = ptrs++; *(ptrd++) = (*op)(mp); } - l_opcode.swap(mp.opcode); - return cimg::type::nan(); - } - - static double mp_vector_map_vs(_cimg_math_parser& mp) { // Operator(vector,scalar) - unsigned int - siz = (unsigned int)mp.opcode[2], - ptrs = (unsigned int)mp.opcode[4] + 1; - double *ptrd = &_mp_arg(1) + 1; - mp_func op = (mp_func)mp.opcode[3]; - CImg l_opcode(1,4); - l_opcode[3] = mp.opcode[5]; // Scalar argument2 - l_opcode.swap(mp.opcode); - uptrT &argument1 = mp.opcode[2]; - while (siz-->0) { argument1 = ptrs++; *(ptrd++) = (*op)(mp); } - l_opcode.swap(mp.opcode); - return cimg::type::nan(); - } - - static double mp_vector_map_vss(_cimg_math_parser& mp) { // Operator(vector,scalar,scalar) - unsigned int - siz = (unsigned int)mp.opcode[2], - ptrs = (unsigned int)mp.opcode[4] + 1; - double *ptrd = &_mp_arg(1) + 1; - mp_func op = (mp_func)mp.opcode[3]; - CImg l_opcode(1,5); - l_opcode[3] = mp.opcode[5]; // Scalar argument2 - l_opcode[4] = mp.opcode[6]; // Scalar argument3 - l_opcode.swap(mp.opcode); - uptrT &argument1 = mp.opcode[2]; - while (siz-->0) { argument1 = ptrs++; *(ptrd++) = (*op)(mp); } - l_opcode.swap(mp.opcode); - return cimg::type::nan(); - } - - static double mp_vector_map_vv(_cimg_math_parser& mp) { // Operator(vector,vector) - unsigned int - siz = (unsigned int)mp.opcode[2], - ptrs1 = (unsigned int)mp.opcode[4] + 1, - ptrs2 = (unsigned int)mp.opcode[5] + 1; - double *ptrd = &_mp_arg(1) + 1; - mp_func op = (mp_func)mp.opcode[3]; - CImg l_opcode(1,4); - l_opcode.swap(mp.opcode); - uptrT &argument1 = mp.opcode[2], &argument2 = mp.opcode[3]; - while (siz-->0) { argument1 = ptrs1++; argument2 = ptrs2++; *(ptrd++) = (*op)(mp); } - l_opcode.swap(mp.opcode); - return cimg::type::nan(); - } - - static double mp_vector_off(_cimg_math_parser& mp) { - const unsigned int - ptr = mp.opcode[2] + 1, - siz = (int)mp.opcode[3]; - const int off = (int)_mp_arg(4); - return off>=0 && off<(int)siz?mp.mem[ptr + off]:cimg::type::nan(); - } - - static double mp_vector_set_off(_cimg_math_parser& mp) { - const unsigned int - ptr = mp.opcode[2] + 1, - siz = mp.opcode[3]; - const int off = (int)_mp_arg(4); - if (off>=0 && off<(int)siz) mp.mem[ptr + off] = _mp_arg(5); - return _mp_arg(5); - } - - static double mp_vector_print(_cimg_math_parser& mp) { - CImg expr(mp.opcode._height - 3); - const uptrT *ptrs = mp.opcode._data + 3; - cimg_for(expr,ptrd,char) *ptrd = (char)*(ptrs++); - cimg::strellipsize(expr); - unsigned int - ptr = mp.opcode[1] + 1, - siz = mp.opcode[2]; - std::fprintf(cimg::output(),"\n[_cimg_math_parser] %s = [",expr._data); - while (siz-->0) std::fprintf(cimg::output(),"%g%s",mp.mem[ptr++],siz?",":""); - std::fputc(']',cimg::output()); - std::fflush(cimg::output()); - return cimg::type::nan(); - } - - static double mp_whiledo(_cimg_math_parser& mp) { // Used also by 'for()' - const uptrT - mem_proc = mp.opcode[1], - mem_cond = mp.opcode[2]; - const CImg - *const p_cond = ++mp.p_code, - *const p_proc = p_cond + mp.opcode[3], - *const p_end = p_proc + mp.opcode[4]; - const unsigned int vsiz = mp.opcode[5]; - bool is_first_iter = true, is_cond = false; - do { - for (mp.p_code = p_cond; mp.p_code &op = *mp.p_code; - mp.opcode._data = op._data; mp.opcode._height = op._height; - const uptrT target = mp.opcode[1]; - mp.mem[target] = _cimg_mp_defunc(mp); - } - is_cond = (bool)mp.mem[mem_cond]; - if (is_cond) { // Evaluate loop iteration - for ( ; mp.p_code &op = *mp.p_code; - mp.opcode._data = op._data; mp.opcode._height = op._height; - const uptrT target = mp.opcode[1]; - mp.mem[target] = _cimg_mp_defunc(mp); - } - is_first_iter = false; - } - } while (is_cond); - mp.p_code = p_end - 1; - if (vsiz && is_first_iter) std::memset(&mp.mem[mem_proc] + 1,0,vsiz*sizeof(double)); - return is_first_iter?0:mp.mem[mem_proc]; - } - - static double mp_Ioff(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const unsigned int - boundary_conditions = (unsigned int)_mp_arg(3); - const CImg &img = mp.imgin; - const long - off = (long)_mp_arg(2), - whd = img.width()*img.height()*img.depth(); - const T *ptrs; - if (off<0 || off>=whd) - switch (boundary_conditions) { - case 2 : // Periodic boundary - if (!img) { - ptrs = &img[cimg::mod(off,whd)]; - cimg_forC(img,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - } else std::memset(ptrd,0,img._spectrum*sizeof(double)); - return cimg::type::nan(); - case 1 : // Neumann boundary - if (img) { - ptrs = off<0?img._data:&img.back(); - cimg_forC(img,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - } else std::memset(ptrd,0,img._spectrum*sizeof(double)); - return cimg::type::nan(); - default : // Dirichet boundary - std::memset(ptrd,0,img._spectrum*sizeof(double)); - return cimg::type::nan(); - } - ptrs = &img[off]; - cimg_forC(img,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - return cimg::type::nan(); - } - - static double mp_Ixyz(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const unsigned int - interpolation = (unsigned int)_mp_arg(5), - boundary_conditions = (unsigned int)_mp_arg(6); - const CImg &img = mp.imgin; - const double x = _mp_arg(2), y = _mp_arg(3), z = _mp_arg(4); - if (interpolation==0) { // Nearest neighbor interpolation - if (boundary_conditions==2) - cimg_forC(img,c) - *(ptrd++) = (double)img.atXYZ(cimg::mod((int)x,img.width()), - cimg::mod((int)y,img.height()), - cimg::mod((int)z,img.depth()), - c); - else if (boundary_conditions==1) - cimg_forC(img,c) - *(ptrd++) = (double)img.atXYZ((int)x,(int)y,(int)z,c); - else - cimg_forC(img,c) - *(ptrd++) = (double)img.atXYZ((int)x,(int)y,(int)z,c,0); - } else { // Linear interpolation - if (boundary_conditions==2) - cimg_forC(img,c) - *(ptrd++) = (double)img.linear_atXYZ(cimg::mod((float)x,(float)img.width()), - cimg::mod((float)y,(float)img.height()), - cimg::mod((float)z,(float)img.depth()),c); - else if (boundary_conditions==1) - cimg_forC(img,c) - *(ptrd++) = (double)img.linear_atXYZ((float)x,(float)y,(float)z,c); - else - cimg_forC(img,c) - *(ptrd++) = (double)img.linear_atXYZ((float)x,(float)y,(float)z,c,0); - } - return cimg::type::nan(); - } - - static double mp_Joff(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const unsigned int - boundary_conditions = (unsigned int)_mp_arg(3); - const CImg &img = mp.imgin; - const int ox = (int)mp.mem[_cimg_mp_x], oy = (int)mp.mem[_cimg_mp_y], oz = (int)mp.mem[_cimg_mp_z]; - const long - off = img.offset(ox,oy,oz) + (long)_mp_arg(2), - whd = img.width()*img.height()*img.depth(); - const T *ptrs; - if (off<0 || off>=whd) - switch (boundary_conditions) { - case 2 : // Periodic boundary - if (!img) { - ptrs = &img[cimg::mod(off,whd)]; - cimg_forC(img,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - } else std::memset(ptrd,0,img._spectrum*sizeof(double)); - return cimg::type::nan(); - case 1 : // Neumann boundary - if (img) { - ptrs = off<0?img._data:&img.back(); - cimg_forC(img,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - } else std::memset(ptrd,0,img._spectrum*sizeof(double)); - return cimg::type::nan(); - default : // Dirichet boundary - std::memset(ptrd,0,img._spectrum*sizeof(double)); - return cimg::type::nan(); - } - ptrs = &img[off]; - cimg_forC(img,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - return cimg::type::nan(); - } - - static double mp_Jxyz(_cimg_math_parser& mp) { - double *ptrd = &_mp_arg(1) + 1; - const unsigned int - interpolation = (unsigned int)_mp_arg(5), - boundary_conditions = (unsigned int)_mp_arg(6); - const CImg &img = mp.imgin; - const double - ox = mp.mem[_cimg_mp_x], oy = mp.mem[_cimg_mp_y], oz = mp.mem[_cimg_mp_z], - x = ox + _mp_arg(2), y = oy + _mp_arg(3), z = oz + _mp_arg(4); - if (interpolation==0) { // Nearest neighbor interpolation - if (boundary_conditions==2) - cimg_forC(img,c) - *(ptrd++) = (double)img.atXYZ(cimg::mod((int)x,img.width()), - cimg::mod((int)y,img.height()), - cimg::mod((int)z,img.depth()), - c); - else if (boundary_conditions==1) - cimg_forC(img,c) - *(ptrd++) = (double)img.atXYZ((int)x,(int)y,(int)z,c); - else - cimg_forC(img,c) - *(ptrd++) = (double)img.atXYZ((int)x,(int)y,(int)z,c,0); - } else { // Linear interpolation - if (boundary_conditions==2) - cimg_forC(img,c) - *(ptrd++) = (double)img.linear_atXYZ(cimg::mod((float)x,(float)img.width()), - cimg::mod((float)y,(float)img.height()), - cimg::mod((float)z,(float)img.depth()),c); - else if (boundary_conditions==1) - cimg_forC(img,c) - *(ptrd++) = (double)img.linear_atXYZ((float)x,(float)y,(float)z,c); - else - cimg_forC(img,c) - *(ptrd++) = (double)img.linear_atXYZ((float)x,(float)y,(float)z,c,0); - } - return cimg::type::nan(); - } - -#undef _mp_arg - - }; // struct _cimg_math_parser {} - - //! Compute the square value of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its square value \f$I_{(x,y,z,c)}^2\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - \par Example - \code - const CImg img("reference.jpg"); - (img,img.get_sqr().normalize(0,255)).display(); - \endcode - \image html ref_sqr.jpg - **/ - CImg& sqr() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=524288) -#endif - cimg_rof(*this,ptrd,T) { const T val = *ptrd; *ptrd = (T)(val*val); }; - return *this; - } - - //! Compute the square value of each pixel value \newinstance. - CImg get_sqr() const { - return CImg(*this,false).sqr(); - } - - //! Compute the square root of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its square root \f$\sqrt{I_{(x,y,z,c)}}\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - \par Example - \code - const CImg img("reference.jpg"); - (img,img.get_sqrt().normalize(0,255)).display(); - \endcode - \image html ref_sqrt.jpg - **/ - CImg& sqrt() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=8192) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::sqrt((double)*ptrd); - return *this; - } - - //! Compute the square root of each pixel value \newinstance. - CImg get_sqrt() const { - return CImg(*this,false).sqrt(); - } - - //! Compute the exponential of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its exponential \f$e^{I_{(x,y,z,c)}}\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& exp() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=4096) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::exp((double)*ptrd); - return *this; - } - - //! Compute the exponential of each pixel value \newinstance. - CImg get_exp() const { - return CImg(*this,false).exp(); - } - - //! Compute the logarithm of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its logarithm - \f$\mathrm{log}_{e}(I_{(x,y,z,c)})\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& log() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=262144) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::log((double)*ptrd); - return *this; - } - - //! Compute the logarithm of each pixel value \newinstance. - CImg get_log() const { - return CImg(*this,false).log(); - } - - //! Compute the base-2 logarithm of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its base-2 logarithm - \f$\mathrm{log}_{2}(I_{(x,y,z,c)})\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& log2() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=4096) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)cimg::log2((double)*ptrd); - return *this; - } - - //! Compute the base-10 logarithm of each pixel value \newinstance. - CImg get_log2() const { - return CImg(*this,false).log2(); - } - - //! Compute the base-10 logarithm of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its base-10 logarithm - \f$\mathrm{log}_{10}(I_{(x,y,z,c)})\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& log10() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=4096) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::log10((double)*ptrd); - return *this; - } - - //! Compute the base-10 logarithm of each pixel value \newinstance. - CImg get_log10() const { - return CImg(*this,false).log10(); - } - - //! Compute the absolute value of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its absolute value \f$|I_{(x,y,z,c)}|\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& abs() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=524288) -#endif - cimg_rof(*this,ptrd,T) *ptrd = cimg::abs(*ptrd); - return *this; - } - - //! Compute the absolute value of each pixel value \newinstance. - CImg get_abs() const { - return CImg(*this,false).abs(); - } - - //! Compute the sign of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its sign - \f$\mathrm{sign}(I_{(x,y,z,c)})\f$. - \note - - The sign is set to: - - \c 1 if pixel value is strictly positive. - - \c -1 if pixel value is strictly negative. - - \c 0 if pixel value is equal to \c 0. - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& sign() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) *ptrd = cimg::sign(*ptrd); - return *this; - } - - //! Compute the sign of each pixel value \newinstance. - CImg get_sign() const { - return CImg(*this,false).sign(); - } - - //! Compute the cosine of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its cosine \f$\cos(I_{(x,y,z,c)})\f$. - \note - - Pixel values are regarded as being in \e radian. - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& cos() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=8192) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::cos((double)*ptrd); - return *this; - } - - //! Compute the cosine of each pixel value \newinstance. - CImg get_cos() const { - return CImg(*this,false).cos(); - } - - //! Compute the sine of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its sine \f$\sin(I_{(x,y,z,c)})\f$. - \note - - Pixel values are regarded as being in \e radian. - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& sin() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=8192) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::sin((double)*ptrd); - return *this; - } - - //! Compute the sine of each pixel value \newinstance. - CImg get_sin() const { - return CImg(*this,false).sin(); - } - - //! Compute the sinc of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its sinc - \f$\mathrm{sinc}(I_{(x,y,z,c)})\f$. - \note - - Pixel values are regarded as being exin \e radian. - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& sinc() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=2048) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)cimg::sinc((double)*ptrd); - return *this; - } - - //! Compute the sinc of each pixel value \newinstance. - CImg get_sinc() const { - return CImg(*this,false).sinc(); - } - - //! Compute the tangent of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its tangent \f$\tan(I_{(x,y,z,c)})\f$. - \note - - Pixel values are regarded as being exin \e radian. - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& tan() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=2048) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::tan((double)*ptrd); - return *this; - } - - //! Compute the tangent of each pixel value \newinstance. - CImg get_tan() const { - return CImg(*this,false).tan(); - } - - //! Compute the hyperbolic cosine of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its hyperbolic cosine - \f$\mathrm{cosh}(I_{(x,y,z,c)})\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& cosh() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=2048) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::cosh((double)*ptrd); - return *this; - } - - //! Compute the hyperbolic cosine of each pixel value \newinstance. - CImg get_cosh() const { - return CImg(*this,false).cosh(); - } - - //! Compute the hyperbolic sine of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its hyperbolic sine - \f$\mathrm{sinh}(I_{(x,y,z,c)})\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& sinh() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=2048) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::sinh((double)*ptrd); - return *this; - } - - //! Compute the hyperbolic sine of each pixel value \newinstance. - CImg get_sinh() const { - return CImg(*this,false).sinh(); - } - - //! Compute the hyperbolic tangent of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its hyperbolic tangent - \f$\mathrm{tanh}(I_{(x,y,z,c)})\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& tanh() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=2048) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::tanh((double)*ptrd); - return *this; - } - - //! Compute the hyperbolic tangent of each pixel value \newinstance. - CImg get_tanh() const { - return CImg(*this,false).tanh(); - } - - //! Compute the arccosine of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its arccosine - \f$\mathrm{acos}(I_{(x,y,z,c)})\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& acos() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=8192) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::acos((double)*ptrd); - return *this; - } - - //! Compute the arccosine of each pixel value \newinstance. - CImg get_acos() const { - return CImg(*this,false).acos(); - } - - //! Compute the arcsine of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its arcsine - \f$\mathrm{asin}(I_{(x,y,z,c)})\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& asin() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=8192) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::asin((double)*ptrd); - return *this; - } - - //! Compute the arcsine of each pixel value \newinstance. - CImg get_asin() const { - return CImg(*this,false).asin(); - } - - //! Compute the arctangent of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its arctangent - \f$\mathrm{atan}(I_{(x,y,z,c)})\f$. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - **/ - CImg& atan() { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=8192) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::atan((double)*ptrd); - return *this; - } - - //! Compute the arctangent of each pixel value \newinstance. - CImg get_atan() const { - return CImg(*this,false).atan(); - } - - //! Compute the arctangent2 of each pixel value. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its arctangent2 - \f$\mathrm{atan2}(I_{(x,y,z,c)})\f$. - \param img Image whose pixel values specify the second argument of the \c atan2() function. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - \par Example - \code - const CImg - img_x(100,100,1,1,"x-w/2",false), // Define an horizontal centered gradient, from '-width/2' to 'width/2'. - img_y(100,100,1,1,"y-h/2",false), // Define a vertical centered gradient, from '-height/2' to 'height/2'. - img_atan2 = img_y.get_atan2(img_x); // Compute atan2(y,x) for each pixel value. - (img_x,img_y,img_atan2).display(); - \endcode - **/ - template - CImg& atan2(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return atan2(+img); - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg get_atan2(const CImg& img) const { - return CImg(*this,false).atan2(img); - } - - //! In-place pointwise multiplication. - /** - Compute the pointwise multiplication between the image instance and the specified input image \c img. - \param img Input image, as the second operand of the multiplication. - \note - - Similar to operator+=(const CImg&), except that it performs a pointwise multiplication - instead of an addition. - - It does \e not perform a \e matrix multiplication. For this purpose, use operator*=(const CImg&) instead. - \par Example - \code - CImg - img("reference.jpg"), - shade(img.width,img.height(),1,1,"-(x-w/2)^2-(y-h/2)^2",false); - shade.normalize(0,1); - (img,shade,img.get_mul(shade)).display(); - \endcode - **/ - template - CImg& mul(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return mul(+img); - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg<_cimg_Tt> get_mul(const CImg& img) const { - return CImg<_cimg_Tt>(*this,false).mul(img); - } - - //! In-place pointwise division. - /** - Similar to mul(const CImg&), except that it performs a pointwise division instead of a multiplication. - **/ - template - CImg& div(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return div(+img); - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg<_cimg_Tt> get_div(const CImg& img) const { - return CImg<_cimg_Tt>(*this,false).div(img); - } - - //! Raise each pixel value to a specified power. - /** - Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by its power \f$I_{(x,y,z,c)}^p\f$. - \param p Exponent value. - \note - - The \inplace of this method statically casts the computed values to the pixel type \c T. - - The \newinstance returns a \c CImg image, if the pixel type \c T is \e not float-valued. - \par Example - \code - const CImg - img0("reference.jpg"), // Load reference color image. - img1 = (img0/255).pow(1.8)*=255, // Compute gamma correction, with gamma = 1.8. - img2 = (img0/255).pow(0.5)*=255; // Compute gamma correction, with gamma = 0.5. - (img0,img1,img2).display(); - \endcode - **/ - CImg& pow(const double p) { - if (is_empty()) return *this; - if (p==-4) { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) { const T val = *ptrd; *ptrd = (T)(1.0/(val*val*val*val)); } - return *this; - } - if (p==-3) { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) { const T val = *ptrd; *ptrd = (T)(1.0/(val*val*val)); } - return *this; - } - if (p==-2) { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) { const T val = *ptrd; *ptrd = (T)(1.0/(val*val)); } - return *this; - } - if (p==-1) { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) { const T val = *ptrd; *ptrd = (T)(1.0/val); } - return *this; - } - if (p==-0.5) { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=8192) -#endif - cimg_rof(*this,ptrd,T) { const T val = *ptrd; *ptrd = (T)(1/std::sqrt((double)val)); } - return *this; - } - if (p==0) return fill(1); - if (p==0.5) return sqrt(); - if (p==1) return *this; - if (p==2) return sqr(); - if (p==3) { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=262144) -#endif - cimg_rof(*this,ptrd,T) { const T val = *ptrd; *ptrd = val*val*val; } - return *this; - } - if (p==4) { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=131072) -#endif - cimg_rof(*this,ptrd,T) { const T val = *ptrd; *ptrd = val*val*val*val; } - return *this; - } -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=1024) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)std::pow((double)*ptrd,p); - return *this; - } - - //! Raise each pixel value to a specified power \newinstance. - CImg get_pow(const double p) const { - return CImg(*this,false).pow(p); - } - - //! Raise each pixel value to a power, specified from an expression. - /** - Similar to operator+=(const char*), except it performs a pointwise exponentiation instead of an addition. - **/ - CImg& pow(const char *const expression) { - return pow((+*this)._fill(expression,true,true,0,0,"pow",this)); - } - - //! Raise each pixel value to a power, specified from an expression \newinstance. - CImg get_pow(const char *const expression) const { - return CImg(*this,false).pow(expression); - } - - //! Raise each pixel value to a power, pointwisely specified from another image. - /** - Similar to operator+=(const CImg& img), except that it performs an exponentiation instead of an addition. - **/ - template - CImg& pow(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return pow(+img); - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg get_pow(const CImg& img) const { - return CImg(*this,false).pow(img); - } - - //! Compute the bitwise left rotation of each pixel value. - /** - Similar to operator<<=(unsigned int), except that it performs a left rotation instead of a left shift. - **/ - CImg& rol(const unsigned int n=1) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)cimg::rol(*ptrd,n); - return *this; - } - - //! Compute the bitwise left rotation of each pixel value \newinstance. - CImg get_rol(const unsigned int n=1) const { - return (+*this).rol(n); - } - - //! Compute the bitwise left rotation of each pixel value. - /** - Similar to operator<<=(const char*), except that it performs a left rotation instead of a left shift. - **/ - CImg& rol(const char *const expression) { - return rol((+*this)._fill(expression,true,true,0,0,"rol",this)); - } - - //! Compute the bitwise left rotation of each pixel value \newinstance. - CImg get_rol(const char *const expression) const { - return (+*this).rol(expression); - } - - //! Compute the bitwise left rotation of each pixel value. - /** - Similar to operator<<=(const CImg&), except that it performs a left rotation instead of a left shift. - **/ - template - CImg& rol(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return rol(+img); - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg get_rol(const CImg& img) const { - return (+*this).rol(img); - } - - //! Compute the bitwise right rotation of each pixel value. - /** - Similar to operator>>=(unsigned int), except that it performs a right rotation instead of a right shift. - **/ - CImg& ror(const unsigned int n=1) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)cimg::ror(*ptrd,n); - return *this; - } - - //! Compute the bitwise right rotation of each pixel value \newinstance. - CImg get_ror(const unsigned int n=1) const { - return (+*this).ror(n); - } - - //! Compute the bitwise right rotation of each pixel value. - /** - Similar to operator>>=(const char*), except that it performs a right rotation instead of a right shift. - **/ - CImg& ror(const char *const expression) { - return ror((+*this)._fill(expression,true,true,0,0,"ror",this)); - } - - //! Compute the bitwise right rotation of each pixel value \newinstance. - CImg get_ror(const char *const expression) const { - return (+*this).ror(expression); - } - - //! Compute the bitwise right rotation of each pixel value. - /** - Similar to operator>>=(const CImg&), except that it performs a right rotation instead of a right shift. - **/ - template - CImg& ror(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return ror(+img); - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg get_ror(const CImg& img) const { - return (+*this).ror(img); - } - - //! Pointwise min operator between instance image and a value. - /** - \param val Value used as the reference argument of the min operator. - \note Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by - \f$\mathrm{min}(I_{(x,y,z,c)},\mathrm{val})\f$. - **/ - CImg& min(const T& val) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=65536) -#endif - cimg_rof(*this,ptrd,T) *ptrd = cimg::min(*ptrd,val); - return *this; - } - - //! Pointwise min operator between instance image and a value \newinstance. - CImg get_min(const T& val) const { - return (+*this).min(val); - } - - //! Pointwise min operator between two images. - /** - \param img Image used as the reference argument of the min operator. - \note Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by - \f$\mathrm{min}(I_{(x,y,z,c)},\mathrm{img}_{(x,y,z,c)})\f$. - **/ - template - CImg& min(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return min(+img); - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg<_cimg_Tt> get_min(const CImg& img) const { - return CImg<_cimg_Tt>(*this,false).min(img); - } - - //! Pointwise min operator between an image and an expression. - /** - \param expression Math formula as a C-string. - \note Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by - \f$\mathrm{min}(I_{(x,y,z,c)},\mathrm{expr}_{(x,y,z,c)})\f$. - **/ - CImg& min(const char *const expression) { - return min((+*this)._fill(expression,true,true,0,0,"min",this)); - } - - //! Pointwise min operator between an image and an expression \newinstance. - CImg get_min(const char *const expression) const { - return CImg(*this,false).min(expression); - } - - //! Pointwise max operator between instance image and a value. - /** - \param val Value used as the reference argument of the max operator. - \note Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by - \f$\mathrm{max}(I_{(x,y,z,c)},\mathrm{val})\f$. - **/ - CImg& max(const T& val) { - if (is_empty()) return *this; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=65536) -#endif - cimg_rof(*this,ptrd,T) *ptrd = cimg::max(*ptrd,val); - return *this; - } - - //! Pointwise max operator between instance image and a value \newinstance. - CImg get_max(const T& val) const { - return (+*this).max(val); - } - - //! Pointwise max operator between two images. - /** - \param img Image used as the reference argument of the max operator. - \note Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by - \f$\mathrm{max}(I_{(x,y,z,c)},\mathrm{img}_{(x,y,z,c)})\f$. - **/ - template - CImg& max(const CImg& img) { - const unsigned long siz = size(), isiz = img.size(); - if (siz && isiz) { - if (is_overlapped(img)) return max(+img); - T *ptrd = _data, *const ptre = _data + siz; - if (siz>isiz) for (unsigned long n = siz/isiz; n; --n) - for (const t *ptrs = img._data, *ptrs_end = ptrs + isiz; ptrs - CImg<_cimg_Tt> get_max(const CImg& img) const { - return CImg<_cimg_Tt>(*this,false).max(img); - } - - //! Pointwise max operator between an image and an expression. - /** - \param expression Math formula as a C-string. - \note Replace each pixel value \f$I_{(x,y,z,c)}\f$ of the image instance by - \f$\mathrm{max}(I_{(x,y,z,c)},\mathrm{expr}_{(x,y,z,c)})\f$. - **/ - CImg& max(const char *const expression) { - return max((+*this)._fill(expression,true,true,0,0,"max",this)); - } - - //! Pointwise max operator between an image and an expression \newinstance. - CImg get_max(const char *const expression) const { - return CImg(*this,false).max(expression); - } - - //! Return a reference to the minimum pixel value. - /** - **/ - T& min() { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "min(): Empty instance.", - cimg_instance); - T *ptr_min = _data; - T min_value = *ptr_min; - cimg_for(*this,ptrs,T) if (*ptrsmax_value) max_value = *(ptr_max=ptrs); - return *ptr_max; - } - - //! Return a reference to the maximum pixel value \const. - const T& max() const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "max(): Empty instance.", - cimg_instance); - const T *ptr_max = _data; - T max_value = *ptr_max; - cimg_for(*this,ptrs,T) if (*ptrs>max_value) max_value = *(ptr_max=ptrs); - return *ptr_max; - } - - //! Return a reference to the minimum pixel value as well as the maximum pixel value. - /** - \param[out] max_val Maximum pixel value. - **/ - template - T& min_max(t& max_val) { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "min_max(): Empty instance.", - cimg_instance); - T *ptr_min = _data; - T min_value = *ptr_min, max_value = min_value; - cimg_for(*this,ptrs,T) { - const T val = *ptrs; - if (valmax_value) max_value = val; - } - max_val = (t)max_value; - return *ptr_min; - } - - //! Return a reference to the minimum pixel value as well as the maximum pixel value \const. - template - const T& min_max(t& max_val) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "min_max(): Empty instance.", - cimg_instance); - const T *ptr_min = _data; - T min_value = *ptr_min, max_value = min_value; - cimg_for(*this,ptrs,T) { - const T val = *ptrs; - if (valmax_value) max_value = val; - } - max_val = (t)max_value; - return *ptr_min; - } - - //! Return a reference to the maximum pixel value as well as the minimum pixel value. - /** - \param[out] min_val Minimum pixel value. - **/ - template - T& max_min(t& min_val) { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "max_min(): Empty instance.", - cimg_instance); - T *ptr_max = _data; - T max_value = *ptr_max, min_value = max_value; - cimg_for(*this,ptrs,T) { - const T val = *ptrs; - if (val>max_value) { max_value = val; ptr_max = ptrs; } - if (val - const T& max_min(t& min_val) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "max_min(): Empty instance.", - cimg_instance); - const T *ptr_max = _data; - T max_value = *ptr_max, min_value = max_value; - cimg_for(*this,ptrs,T) { - const T val = *ptrs; - if (val>max_value) { max_value = val; ptr_max = ptrs; } - if (val arr(*this); - unsigned int l = 0, ir = size() - 1; - for ( ; ; ) { - if (ir<=l + 1) { - if (ir==l + 1 && arr[ir]>1; - cimg::swap(arr[mid],arr[l + 1]); - if (arr[l]>arr[ir]) cimg::swap(arr[l],arr[ir]); - if (arr[l + 1]>arr[ir]) cimg::swap(arr[l + 1],arr[ir]); - if (arr[l]>arr[l + 1]) cimg::swap(arr[l],arr[l + 1]); - unsigned int i = l + 1, j = ir; - const T pivot = arr[l + 1]; - for ( ; ; ) { - do ++i; while (arr[i]pivot); - if (j=k) ir = j - 1; - if (j<=k) l = i; - } - } - } - - //! Return the median pixel value. - /** - **/ - T median() const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "median(): Empty instance.", - cimg_instance); - const unsigned int s = size(); - const T res = kth_smallest(s>>1); - return (s%2)?res:((res + kth_smallest((s>>1) - 1))/2); - } - - //! Return the product of all the pixel values. - /** - **/ - double product() const { - if (is_empty()) return 0; - double res = 1; - cimg_for(*this,ptrs,T) res*=(double)*ptrs; - return res; - } - - //! Return the sum of all the pixel values. - /** - **/ - double sum() const { - double res = 0; - cimg_for(*this,ptrs,T) res+=(double)*ptrs; - return res; - } - - //! Return the average pixel value. - /** - **/ - double mean() const { - double res = 0; - cimg_for(*this,ptrs,T) res+=(double)*ptrs; - return res/size(); - } - - //! Return the variance of the pixel values. - /** - \param variance_method Method used to estimate the variance. Can be: - - \c 0: Second moment, computed as - \f$1/N \sum\limits_{k=1}^{N} (x_k - \bar x)^2 = - 1/N \left( \sum\limits_{k=1}^N x_k^2 - \left( \sum\limits_{k=1}^N x_k \right)^2 / N \right)\f$ - with \f$ \bar x = 1/N \sum\limits_{k=1}^N x_k \f$. - - \c 1: Best unbiased estimator, computed as \f$\frac{1}{N - 1} \sum\limits_{k=1}^{N} (x_k - \bar x)^2 \f$. - - \c 2: Least median of squares. - - \c 3: Least trimmed of squares. - **/ - double variance(const unsigned int variance_method=1) const { - double foo; - return variance_mean(variance_method,foo); - } - - //! Return the variance as well as the average of the pixel values. - /** - \param variance_method Method used to estimate the variance (see variance(const unsigned int) const). - \param[out] mean Average pixel value. - **/ - template - double variance_mean(const unsigned int variance_method, t& mean) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "variance_mean(): Empty instance.", - cimg_instance); - - double variance = 0, average = 0; - const unsigned long siz = size(); - switch (variance_method) { - case 0 : { // Least mean square (standard definition) - double S = 0, S2 = 0; - cimg_for(*this,ptrs,T) { const double val = (double)*ptrs; S+=val; S2+=val*val; } - variance = (S2 - S*S/siz)/siz; - average = S; - } break; - case 1 : { // Least mean square (robust definition) - double S = 0, S2 = 0; - cimg_for(*this,ptrs,T) { const double val = (double)*ptrs; S+=val; S2+=val*val; } - variance = siz>1?(S2 - S*S/siz)/(siz - 1):0; - average = S; - } break; - case 2 : { // Least Median of Squares (MAD) - CImg buf(*this,false); - buf.sort(); - const unsigned long siz2 = siz>>1; - const double med_i = (double)buf[siz2]; - cimg_for(buf,ptrs,Tfloat) { - const double val = (double)*ptrs; *ptrs = (Tfloat)cimg::abs(val - med_i); average+=val; - } - buf.sort(); - const double sig = (double)(1.4828*buf[siz2]); - variance = sig*sig; - } break; - default : { // Least trimmed of Squares - CImg buf(*this,false); - const unsigned long siz2 = siz>>1; - cimg_for(buf,ptrs,Tfloat) { - const double val = (double)*ptrs; (*ptrs)=(Tfloat)((*ptrs)*val); average+=val; - } - buf.sort(); - double a = 0; - const Tfloat *ptrs = buf._data; - for (unsigned long j = 0; j0?variance:0; - } - - //! Return estimated variance of the noise. - /** - \param variance_method Method used to compute the variance (see variance(const unsigned int) const). - \note Because of structures such as edges in images it is - recommanded to use a robust variance estimation. The variance of the - noise is estimated by computing the variance of the Laplacian \f$(\Delta - I)^2 \f$ scaled by a factor \f$c\f$ insuring \f$ c E[(\Delta I)^2]= - \sigma^2\f$ where \f$\sigma\f$ is the noise variance. - **/ - double variance_noise(const unsigned int variance_method=2) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "variance_noise(): Empty instance.", - cimg_instance); - - const unsigned long siz = size(); - if (!siz || !_data) return 0; - if (variance_method>1) { // Compute a scaled version of the Laplacian. - CImg tmp(*this); - if (_depth==1) { - const double cste = 1.0/std::sqrt(20.0); // Depends on how the Laplacian is computed. -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height>=262144 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - CImg_3x3(I,T); - cimg_for3x3(*this,x,y,0,c,I,T) { - tmp(x,y,c) = cste*((double)Inc + (double)Ipc + (double)Icn + - (double)Icp - 4*(double)Icc); - } - } - } else { - const double cste = 1.0/std::sqrt(42.0); // Depends on how the Laplacian is computed. -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height*_depth>=262144 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - CImg_3x3x3(I,T); - cimg_for3x3x3(*this,x,y,z,c,I,T) { - tmp(x,y,z,c) = cste*( - (double)Incc + (double)Ipcc + (double)Icnc + (double)Icpc + - (double)Iccn + (double)Iccp - 6*(double)Iccc); - } - } - } - return tmp.variance(variance_method); - } - - // Version that doesn't need intermediate images. - double variance = 0, S = 0, S2 = 0; - if (_depth==1) { - const double cste = 1.0/std::sqrt(20.0); - CImg_3x3(I,T); - cimg_forC(*this,c) cimg_for3x3(*this,x,y,0,c,I,T) { - const double val = cste*((double)Inc + (double)Ipc + - (double)Icn + (double)Icp - 4*(double)Icc); - S+=val; S2+=val*val; - } - } else { - const double cste = 1.0/std::sqrt(42.0); - CImg_3x3x3(I,T); - cimg_forC(*this,c) cimg_for3x3x3(*this,x,y,z,c,I,T) { - const double val = cste * - ((double)Incc + (double)Ipcc + (double)Icnc + - (double)Icpc + - (double)Iccn + (double)Iccp - 6*(double)Iccc); - S+=val; S2+=val*val; - } - } - if (variance_method) variance = siz>1?(S2 - S*S/siz)/(siz - 1):0; - else variance = (S2 - S*S/siz)/siz; - return variance>0?variance:0; - } - - //! Compute the MSE (Mean-Squared Error) between two images. - /** - \param img Image used as the second argument of the MSE operator. - **/ - template - double MSE(const CImg& img) const { - if (img.size()!=size()) - throw CImgArgumentException(_cimg_instance - "MSE(): Instance and specified image (%u,%u,%u,%u,%p) have different dimensions.", - cimg_instance, - img._width,img._height,img._depth,img._spectrum,img._data); - double vMSE = 0; - const t* ptr2 = img._data; - cimg_for(*this,ptr1,T) { - const double diff = (double)*ptr1 - (double)*(ptr2++); - vMSE+=diff*diff; - } - const unsigned long siz = img.size(); - if (siz) vMSE/=siz; - return vMSE; - } - - //! Compute the PSNR (Peak Signal-to-Noise Ratio) between two images. - /** - \param img Image used as the second argument of the PSNR operator. - \param max_value Maximum theoretical value of the signal. - **/ - template - double PSNR(const CImg& img, const double max_value=255) const { - const double vMSE = (double)std::sqrt(MSE(img)); - return (vMSE!=0)?(double)(20*std::log10(max_value/vMSE)):(double)(cimg::type::max()); - } - - //! Evaluate math formula. - /** - \param expression Math formula, as a C-string. - \param x Value of the pre-defined variable \c x. - \param y Value of the pre-defined variable \c y. - \param z Value of the pre-defined variable \c z. - \param c Value of the pre-defined variable \c c. - \param list_inputs A list of input images attached to the specified math formula. - \param list_outputs A pointer to a list of output images attached to the specified math formula. - **/ - double eval(const char *const expression, - const double x=0, const double y=0, const double z=0, const double c=0, - const CImgList *const list_inputs=0, CImgList *const list_outputs=0) { - return _eval(this,expression,x,y,z,c,list_inputs,list_outputs); - } - - //! Evaluate math formula \const. - double eval(const char *const expression, - const double x=0, const double y=0, const double z=0, const double c=0, - const CImgList *const list_inputs=0, CImgList *const list_outputs=0) const { - return _eval(0,expression,x,y,z,c,list_inputs,list_outputs); - } - - double _eval(CImg *const img_output, const char *const expression, - const double x, const double y, const double z, const double c, - const CImgList *const list_inputs, CImgList *const list_outputs) const { - if (!expression) return 0; - if (!expression[1]) switch (*expression) { // Single-char optimization. - case 'w' : return (double)_width; - case 'h' : return (double)_height; - case 'd' : return (double)_depth; - case 's' : return (double)_spectrum; - case 'r' : return (double)_is_shared; - } - _cimg_math_parser mp(expression + (*expression=='>' || *expression=='<' || - *expression=='*' || *expression==':'?1:0),"eval", - *this,img_output,list_inputs,list_outputs); - return mp(x,y,z,c); - } - - //! Evaluate math formula. - /** - \param[out] output Contains values of output vector returned by the evaluated expression - (or is empty if the returned type is scalar). - \param expression Math formula, as a C-string. - \param x Value of the pre-defined variable \c x. - \param y Value of the pre-defined variable \c y. - \param z Value of the pre-defined variable \c z. - \param c Value of the pre-defined variable \c c. - \param list_inputs A list of input images attached to the specified math formula. - \param list_outputs A pointer to a list of output images attached to the specified math formula. - **/ - template - void eval(CImg &output, const char *const expression, - const double x=0, const double y=0, const double z=0, const double c=0, - const CImgList *const list_inputs=0, CImgList *const list_outputs=0) { - _eval(output,this,expression,x,y,z,c,list_inputs,list_outputs); - } - - //! Evaluate math formula \const. - template - void eval(CImg& output, const char *const expression, - const double x=0, const double y=0, const double z=0, const double c=0, - const CImgList *const list_inputs=0, CImgList *const list_outputs=0) const { - _eval(output,0,expression,x,y,z,c,list_inputs,list_outputs); - } - - template - void _eval(CImg& output, CImg *const img_output, const char *const expression, - const double x, const double y, const double z, const double c, - const CImgList *const list_inputs, CImgList *const list_outputs) const { - if (!expression) { output.assign(1); *output = 0; } - if (!expression[1]) switch (*expression) { // Single-char optimization. - case 'w' : output.assign(1); *output = (t)_width; - case 'h' : output.assign(1); *output = (t)_height; - case 'd' : output.assign(1); *output = (t)_depth; - case 's' : output.assign(1); *output = (t)_spectrum; - case 'r' : output.assign(1); *output = (t)_is_shared; - } - _cimg_math_parser mp(expression + (*expression=='>' || *expression=='<' || - *expression=='*' || *expression==':'?1:0),"eval", - *this,img_output,list_inputs,list_outputs); - output.assign(1,cimg::max(1U,mp.result_dim)); - mp(x,y,z,c,output._data); - } - - //! Evaluate math formula on a set of variables. - /** - \param expression Math formula, as a C-string. - \param xyzc Set of values (x,y,z,c) used for the evaluation. - **/ - template - CImg eval(const char *const expression, const CImg& xyzc, - const CImgList *const list_inputs=0, CImgList *const list_outputs=0) { - return _eval(this,expression,xyzc,list_inputs,list_outputs); - } - - //! Evaluate math formula on a set of variables \const. - template - CImg eval(const char *const expression, const CImg& xyzc, - const CImgList *const list_inputs=0, CImgList *const list_outputs=0) const { - return _eval(0,expression,xyzc,list_inputs,list_outputs); - } - - template - CImg _eval(CImg *const output, const char *const expression, const CImg& xyzc, - const CImgList *const list_inputs=0, CImgList *const list_outputs=0) const { - CImg res(1,xyzc.size()/4); - if (!expression) return res.fill(0); - _cimg_math_parser mp(expression,"eval",*this,output,list_inputs,list_outputs); -#ifdef cimg_use_openmp -#pragma omp parallel if (res._height>=512 && std::strlen(expression)>=6) - { - _cimg_math_parser _mp = omp_get_thread_num()?mp:_cimg_math_parser(), &lmp = omp_get_thread_num()?_mp:mp; -#pragma omp for - for (unsigned int i = 0; i[min; max; mean; variance; xmin; ymin; zmin; cmin; xmax; ymax; zmax; cmax; sum; product]. - **/ - CImg get_stats(const unsigned int variance_method=1) const { - if (is_empty()) return CImg(); - const unsigned long siz = size(); - const T *const odata = _data; - const T *pm = odata, *pM = odata; - double S = 0, S2 = 0, P = _data?1:0; - T m = *pm, M = m; - cimg_for(*this,ptrs,T) { - const T val = *ptrs; - const double _val = (double)val; - if (valM) { M = val; pM = ptrs; } - S+=_val; - S2+=_val*_val; - P*=_val; - } - const double - mean_value = S/siz, - _variance_value = variance_method==0?(S2 - S*S/siz)/siz: - (variance_method==1?(siz>1?(S2 - S*S/siz)/(siz - 1):0): - variance(variance_method)), - variance_value = _variance_value>0?_variance_value:0; - int - xm = 0, ym = 0, zm = 0, cm = 0, - xM = 0, yM = 0, zM = 0, cM = 0; - contains(*pm,xm,ym,zm,cm); - contains(*pM,xM,yM,zM,cM); - return CImg(1,14).fill((double)m,(double)M,mean_value,variance_value, - (double)xm,(double)ym,(double)zm,(double)cm, - (double)xM,(double)yM,(double)zM,(double)cM, - S,P); - } - - //! Compute statistics vector from the pixel values \inplace. - CImg& stats(const unsigned int variance_method=1) { - return get_stats(variance_method).move_to(*this); - } - - //@} - //------------------------------------- - // - //! \name Vector / Matrix Operations - //@{ - //------------------------------------- - - //! Compute norm of the image, viewed as a matrix. - /** - \param magnitude_type Norm type. Can be: - - \c -1: Linf-norm - - \c 0: L2-norm - - \c 1: L1-norm - **/ - double magnitude(const int magnitude_type=2) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "magnitude(): Empty instance.", - cimg_instance); - double res = 0; - switch (magnitude_type) { - case -1 : { - cimg_for(*this,ptrs,T) { const double val = (double)cimg::abs(*ptrs); if (val>res) res = val; } - } break; - case 1 : { - cimg_for(*this,ptrs,T) res+=(double)cimg::abs(*ptrs); - } break; - default : { - cimg_for(*this,ptrs,T) res+=(double)cimg::sqr(*ptrs); - res = (double)std::sqrt(res); - } - } - return res; - } - - //! Compute the trace of the image, viewed as a matrix. - /** - **/ - double trace() const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "trace(): Empty instance.", - cimg_instance); - double res = 0; - cimg_forX(*this,k) res+=(double)(*this)(k,k); - return res; - } - - //! Compute the determinant of the image, viewed as a matrix. - /** - **/ - double det() const { - if (is_empty() || _width!=_height || _depth!=1 || _spectrum!=1) - throw CImgInstanceException(_cimg_instance - "det(): Instance is not a square matrix.", - cimg_instance); - - switch (_width) { - case 1 : return (double)((*this)(0,0)); - case 2 : return (double)((*this)(0,0))*(double)((*this)(1,1)) - (double)((*this)(0,1))*(double)((*this)(1,0)); - case 3 : { - const double - a = (double)_data[0], d = (double)_data[1], g = (double)_data[2], - b = (double)_data[3], e = (double)_data[4], h = (double)_data[5], - c = (double)_data[6], f = (double)_data[7], i = (double)_data[8]; - return i*a*e - a*h*f - i*b*d + b*g*f + c*d*h - c*g*e; - } - default : { - CImg lu(*this); - CImg indx; - bool d; - lu._LU(indx,d); - double res = d?(double)1:(double)-1; - cimg_forX(lu,i) res*=lu(i,i); - return res; - } - } - } - - //! Compute the dot product between instance and argument, viewed as matrices. - /** - \param img Image used as a second argument of the dot product. - **/ - template - double dot(const CImg& img) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "dot(): Empty instance.", - cimg_instance); - if (!img) - throw CImgArgumentException(_cimg_instance - "dot(): Empty specified image.", - cimg_instance); - - const unsigned int nb = cimg::min(size(),img.size()); - double res = 0; - for (unsigned int off = 0; off get_vector_at(const unsigned int x, const unsigned int y=0, const unsigned int z=0) const { - CImg res; - if (res._height!=_spectrum) res.assign(1,_spectrum); - const unsigned long whd = (unsigned long)_width*_height*_depth; - const T *ptrs = data(x,y,z); - T *ptrd = res._data; - cimg_forC(*this,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - return res; - } - - //! Get (square) matrix-valued pixel located at specified position. - /** - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \note - The spectrum() of the image must be a square. - **/ - CImg get_matrix_at(const unsigned int x=0, const unsigned int y=0, const unsigned int z=0) const { - const int n = (int)std::sqrt((double)_spectrum); - const T *ptrs = data(x,y,z,0); - const unsigned long whd = (unsigned long)_width*_height*_depth; - CImg res(n,n); - T *ptrd = res._data; - cimg_forC(*this,c) { *(ptrd++) = *ptrs; ptrs+=whd; } - return res; - } - - //! Get tensor-valued pixel located at specified position. - /** - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - **/ - CImg get_tensor_at(const unsigned int x, const unsigned int y=0, const unsigned int z=0) const { - const T *ptrs = data(x,y,z,0); - const unsigned long whd = (unsigned long)_width*_height*_depth; - if (_spectrum==6) - return tensor(*ptrs,*(ptrs + whd),*(ptrs + 2*whd),*(ptrs + 3*whd),*(ptrs + 4*whd),*(ptrs + 5*whd)); - if (_spectrum==3) - return tensor(*ptrs,*(ptrs + whd),*(ptrs + 2*whd)); - return tensor(*ptrs); - } - - //! Set vector-valued pixel at specified position. - /** - \param vec Vector to put on the instance image. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - **/ - template - CImg& set_vector_at(const CImg& vec, const unsigned int x, const unsigned int y=0, const unsigned int z=0) { - if (x<_width && y<_height && z<_depth) { - const t *ptrs = vec._data; - const unsigned long whd = (unsigned long)_width*_height*_depth; - T *ptrd = data(x,y,z); - for (unsigned int k = cimg::min((unsigned int)vec.size(),_spectrum); k; --k) { - *ptrd = (T)*(ptrs++); ptrd+=whd; - } - } - return *this; - } - - //! Set (square) matrix-valued pixel at specified position. - /** - \param mat Matrix to put on the instance image. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - **/ - template - CImg& set_matrix_at(const CImg& mat, const unsigned int x=0, const unsigned int y=0, const unsigned int z=0) { - return set_vector_at(mat,x,y,z); - } - - //! Set tensor-valued pixel at specified position. - /** - \param ten Tensor to put on the instance image. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - **/ - template - CImg& set_tensor_at(const CImg& ten, const unsigned int x=0, const unsigned int y=0, const unsigned int z=0) { - T *ptrd = data(x,y,z,0); - const unsigned long siz = (unsigned long)_width*_height*_depth; - if (ten._height==2) { - *ptrd = (T)ten[0]; ptrd+=siz; - *ptrd = (T)ten[1]; ptrd+=siz; - *ptrd = (T)ten[3]; - } - else { - *ptrd = (T)ten[0]; ptrd+=siz; - *ptrd = (T)ten[1]; ptrd+=siz; - *ptrd = (T)ten[2]; ptrd+=siz; - *ptrd = (T)ten[4]; ptrd+=siz; - *ptrd = (T)ten[5]; ptrd+=siz; - *ptrd = (T)ten[8]; - } - return *this; - } - - //! Unroll pixel values along axis \c y. - /** - \note Equivalent to \code unroll('y'); \endcode. - **/ - CImg& vector() { - return unroll('y'); - } - - //! Unroll pixel values along axis \c y \newinstance. - CImg get_vector() const { - return get_unroll('y'); - } - - //! Resize image to become a scalar square matrix. - /** - **/ - CImg& matrix() { - const unsigned long siz = size(); - switch (siz) { - case 1 : break; - case 4 : _width = _height = 2; break; - case 9 : _width = _height = 3; break; - case 16 : _width = _height = 4; break; - case 25 : _width = _height = 5; break; - case 36 : _width = _height = 6; break; - case 49 : _width = _height = 7; break; - case 64 : _width = _height = 8; break; - case 81 : _width = _height = 9; break; - case 100 : _width = _height = 10; break; - default : { - unsigned long i = 11, i2 = i*i; - while (i2 get_matrix() const { - return (+*this).matrix(); - } - - //! Resize image to become a symmetric tensor. - /** - **/ - CImg& tensor() { - return get_tensor().move_to(*this); - } - - //! Resize image to become a symmetric tensor \newinstance. - CImg get_tensor() const { - CImg res; - const unsigned long siz = size(); - switch (siz) { - case 1 : break; - case 3 : - res.assign(2,2); - res(0,0) = (*this)(0); - res(1,0) = res(0,1) = (*this)(1); - res(1,1) = (*this)(2); - break; - case 6 : - res.assign(3,3); - res(0,0) = (*this)(0); - res(1,0) = res(0,1) = (*this)(1); - res(2,0) = res(0,2) = (*this)(2); - res(1,1) = (*this)(3); - res(2,1) = res(1,2) = (*this)(4); - res(2,2) = (*this)(5); - break; - default : - throw CImgInstanceException(_cimg_instance - "tensor(): Invalid instance size (does not define a 1x1, 2x2 or 3x3 tensor).", - cimg_instance); - } - return res; - } - - //! Resize image to become a diagonal matrix. - /** - \note Transform the image as a diagonal matrix so that each of its initial value becomes a diagonal coefficient. - **/ - CImg& diagonal() { - return get_diagonal().move_to(*this); - } - - //! Resize image to become a diagonal matrix \newinstance. - CImg get_diagonal() const { - if (is_empty()) return *this; - CImg res(size(),size(),1,1,0); - cimg_foroff(*this,off) res(off,off) = (*this)(off); - return res; - } - - //! Replace the image by an identity matrix. - /** - \note If the instance image is not square, it is resized to a square matrix using its maximum - dimension as a reference. - **/ - CImg& identity_matrix() { - return identity_matrix(cimg::max(_width,_height)).move_to(*this); - } - - //! Replace the image by an identity matrix \newinstance. - CImg get_identity_matrix() const { - return identity_matrix(cimg::max(_width,_height)); - } - - //! Fill image with a linear sequence of values. - /** - \param a0 Starting value of the sequence. - \param a1 Ending value of the sequence. - **/ - CImg& sequence(const T& a0, const T& a1) { - if (is_empty()) return *this; - const unsigned int siz = size() - 1; - T* ptr = _data; - if (siz) { - const double delta = (double)a1 - (double)a0; - cimg_foroff(*this,l) *(ptr++) = (T)(a0 + delta*l/siz); - } else *ptr = a0; - return *this; - } - - //! Fill image with a linear sequence of values \newinstance. - CImg get_sequence(const T& a0, const T& a1) const { - return (+*this).sequence(a0,a1); - } - - //! Transpose the image, viewed as a matrix. - /** - \note Equivalent to \code permute_axes("yxzc"); \endcode - **/ - CImg& transpose() { - if (_width==1) { _width = _height; _height = 1; return *this; } - if (_height==1) { _height = _width; _width = 1; return *this; } - if (_width==_height) { - cimg_forYZC(*this,y,z,c) for (int x = y; x get_transpose() const { - return get_permute_axes("yxzc"); - } - - //! Compute the cross product between two \c 1x3 images, viewed as 3d vectors. - /** - \param img Image used as the second argument of the cross product. - \note The first argument of the cross product is \c *this. - **/ - template - CImg& cross(const CImg& img) { - if (_width!=1 || _height<3 || img._width!=1 || img._height<3) - throw CImgInstanceException(_cimg_instance - "cross(): Instance and/or specified image (%u,%u,%u,%u,%p) are not 3d vectors.", - cimg_instance, - img._width,img._height,img._depth,img._spectrum,img._data); - - const T x = (*this)[0], y = (*this)[1], z = (*this)[2]; - (*this)[0] = (T)(y*img[2] - z*img[1]); - (*this)[1] = (T)(z*img[0] - x*img[2]); - (*this)[2] = (T)(x*img[1] - y*img[0]); - return *this; - } - - //! Compute the cross product between two \c 1x3 images, viewed as 3d vectors \newinstance. - template - CImg<_cimg_Tt> get_cross(const CImg& img) const { - return CImg<_cimg_Tt>(*this).cross(img); - } - - //! Invert the instance image, viewed as a matrix. - /** - \param use_LU Choose the inverting algorithm. Can be: - - \c true: LU-based matrix inversion. - - \c false: SVD-based matrix inversion. - **/ - CImg& invert(const bool use_LU=true) { - if (_width!=_height || _depth!=1 || _spectrum!=1) - throw CImgInstanceException(_cimg_instance - "invert(): Instance is not a square matrix.", - cimg_instance); -#ifdef cimg_use_lapack - int INFO = (int)use_LU, N = _width, LWORK = 4*N, *const IPIV = new int[N]; - Tfloat - *const lapA = new Tfloat[N*N], - *const WORK = new Tfloat[LWORK]; - cimg_forXY(*this,k,l) lapA[k*N + l] = (Tfloat)((*this)(k,l)); - cimg::getrf(N,lapA,IPIV,INFO); - if (INFO) - cimg::warn(_cimg_instance - "invert(): LAPACK function dgetrf_() returned error code %d.", - cimg_instance, - INFO); - else { - cimg::getri(N,lapA,IPIV,WORK,LWORK,INFO); - if (INFO) - cimg::warn(_cimg_instance - "invert(): LAPACK function dgetri_() returned error code %d.", - cimg_instance, - INFO); - } - if (!INFO) cimg_forXY(*this,k,l) (*this)(k,l) = (T)(lapA[k*N + l]); else fill(0); - delete[] IPIV; delete[] lapA; delete[] WORK; -#else - const double dete = _width>3?-1.0:det(); - if (dete!=0.0 && _width==2) { - const double - a = _data[0], c = _data[1], - b = _data[2], d = _data[3]; - _data[0] = (T)(d/dete); _data[1] = (T)(-c/dete); - _data[2] = (T)(-b/dete); _data[3] = (T)(a/dete); - } else if (dete!=0.0 && _width==3) { - const double - a = _data[0], d = _data[1], g = _data[2], - b = _data[3], e = _data[4], h = _data[5], - c = _data[6], f = _data[7], i = _data[8]; - _data[0] = (T)((i*e-f*h)/dete), _data[1] = (T)((g*f-i*d)/dete), _data[2] = (T)((d*h-g*e)/dete); - _data[3] = (T)((h*c-i*b)/dete), _data[4] = (T)((i*a-c*g)/dete), _data[5] = (T)((g*b-a*h)/dete); - _data[6] = (T)((b*f-e*c)/dete), _data[7] = (T)((d*c-a*f)/dete), _data[8] = (T)((a*e-d*b)/dete); - } else { - if (use_LU) { // LU-based inverse computation - CImg A(*this), indx, col(1,_width); - bool d; - A._LU(indx,d); - cimg_forX(*this,j) { - col.fill(0); - col(j) = 1; - col._solve(A,indx); - cimg_forX(*this,i) (*this)(j,i) = (T)col(i); - } - } else { // SVD-based inverse computation - CImg U(_width,_width), S(1,_width), V(_width,_width); - SVD(U,S,V,false); - U.transpose(); - cimg_forY(S,k) if (S[k]!=0) S[k]=1/S[k]; - S.diagonal(); - *this = V*S*U; - } - } -#endif - return *this; - } - - //! Invert the instance image, viewed as a matrix \newinstance. - CImg get_invert(const bool use_LU=true) const { - return CImg(*this,false).invert(use_LU); - } - - //! Compute the Moore-Penrose pseudo-inverse of the instance image, viewed as a matrix. - /** - **/ - CImg& pseudoinvert() { - return get_pseudoinvert().move_to(*this); - } - - //! Compute the Moore-Penrose pseudo-inverse of the instance image, viewed as a matrix \newinstance. - CImg get_pseudoinvert() const { - CImg U, S, V; - SVD(U,S,V); - const Tfloat tolerance = (sizeof(Tfloat)<=4?5.96e-8f:1.11e-16f)*cimg::max(_width,_height)*S.max(); - cimg_forX(V,x) { - const Tfloat s = S(x), invs = s>tolerance?1/s:(Tfloat)0; - cimg_forY(V,y) V(x,y)*=invs; - } - return V*U.transpose(); - } - - //! Solve a system of linear equations. - /** - \param A Matrix of the linear system. - \note Solve \c AX=B where \c B=*this. - **/ - template - CImg& solve(const CImg& A) { - if (_depth!=1 || _spectrum!=1 || _height!=A._height || A._depth!=1 || A._spectrum!=1) - throw CImgArgumentException(_cimg_instance - "solve(): Instance and specified matrix (%u,%u,%u,%u,%p) have " - "incompatible dimensions.", - cimg_instance, - A._width,A._height,A._depth,A._spectrum,A._data); - typedef _cimg_Ttfloat Ttfloat; - if (A._width==A._height) { // Classical linear system - if (_width!=1) { - CImg res(_width,A._width); - cimg_forX(*this,i) res.draw_image(i,get_column(i).solve(A)); - return res.move_to(*this); - } -#ifdef cimg_use_lapack - char TRANS = 'N'; - int INFO, N = _height, LWORK = 4*N, *const IPIV = new int[N]; - Ttfloat - *const lapA = new Ttfloat[N*N], - *const lapB = new Ttfloat[N], - *const WORK = new Ttfloat[LWORK]; - cimg_forXY(A,k,l) lapA[k*N + l] = (Ttfloat)(A(k,l)); - cimg_forY(*this,i) lapB[i] = (Ttfloat)((*this)(i)); - cimg::getrf(N,lapA,IPIV,INFO); - if (INFO) - cimg::warn(_cimg_instance - "solve(): LAPACK library function dgetrf_() returned error code %d.", - cimg_instance, - INFO); - - if (!INFO) { - cimg::getrs(TRANS,N,lapA,IPIV,lapB,INFO); - if (INFO) - cimg::warn(_cimg_instance - "solve(): LAPACK library function dgetrs_() returned error code %d.", - cimg_instance, - INFO); - } - if (!INFO) cimg_forY(*this,i) (*this)(i) = (T)(lapB[i]); else fill(0); - delete[] IPIV; delete[] lapA; delete[] lapB; delete[] WORK; -#else - CImg lu(A,false); - CImg indx; - bool d; - lu._LU(indx,d); - _solve(lu,indx); -#endif - } else { // Least-square solution for non-square systems. -#ifdef cimg_use_lapack - if (_width!=1) { - CImg res(_width,A._width); - cimg_forX(*this,i) res.draw_image(i,get_column(i).solve(A)); - return res.move_to(*this); - } - char TRANS = 'N'; - int INFO, N = A._width, M = A._height, LWORK = -1, LDA = M, LDB = M, NRHS = _width; - Ttfloat WORK_QUERY; - Ttfloat - * const lapA = new Ttfloat[M*N], - * const lapB = new Ttfloat[M*NRHS]; - cimg::sgels(TRANS, M, N, NRHS, lapA, LDA, lapB, LDB, &WORK_QUERY, LWORK, INFO); - LWORK = (int) WORK_QUERY; - Ttfloat *const WORK = new Ttfloat[LWORK]; - cimg_forXY(A,k,l) lapA[k*M + l] = (Ttfloat)(A(k,l)); - cimg_forXY(*this,k,l) lapB[k*M + l] = (Ttfloat)((*this)(k,l)); - cimg::sgels(TRANS, M, N, NRHS, lapA, LDA, lapB, LDB, WORK, LWORK, INFO); - if (INFO != 0) - cimg::warn(_cimg_instance - "solve(): LAPACK library function sgels() returned error code %d.", - cimg_instance, - INFO); - assign(NRHS, N); - if (!INFO) - cimg_forXY(*this,k,l) (*this)(k,l) = (T)lapB[k*M + l]; - else - assign(A.get_pseudoinvert()*(*this)); - delete[] lapA; delete[] lapB; delete[] WORK; -#else - assign(A.get_pseudoinvert()*(*this)); -#endif - } - return *this; - } - - //! Solve a system of linear equations \newinstance. - template - CImg<_cimg_Ttfloat> get_solve(const CImg& A) const { - return CImg<_cimg_Ttfloat>(*this,false).solve(A); - } - - template - CImg& _solve(const CImg& A, const CImg& indx) { - typedef _cimg_Ttfloat Ttfloat; - const int N = (int)size(); - int ii = -1; - Ttfloat sum; - for (int i = 0; i=0) for (int j = ii; j<=i - 1; ++j) sum-=A(j,i)*(*this)(j); - else if (sum!=0) ii = i; - (*this)(i) = (T)sum; - } - for (int i = N - 1; i>=0; --i) { - sum = (*this)(i); - for (int j = i + 1; j - CImg& solve_tridiagonal(const CImg& A) { - const unsigned int siz = (unsigned int)size(); - if (A._width!=3 || A._height!=siz) - throw CImgArgumentException(_cimg_instance - "solve_tridiagonal(): Instance and tridiagonal matrix " - "(%u,%u,%u,%u,%p) have incompatible dimensions.", - cimg_instance, - A._width,A._height,A._depth,A._spectrum,A._data); - typedef _cimg_Ttfloat Ttfloat; - const Ttfloat epsilon = 1e-4f; - CImg B = A.get_column(1), V(*this,false); - for (int i = 1; i<(int)siz; ++i) { - const Ttfloat m = A(0,i)/(B[i - 1]?B[i - 1]:epsilon); - B[i] -= m*A(2,i - 1); - V[i] -= m*V[i - 1]; - } - (*this)[siz - 1] = (T)(V[siz - 1]/(B[siz - 1]?B[siz - 1]:epsilon)); - for (int i = (int)siz - 2; i>=0; --i) (*this)[i] = (T)((V[i] - A(2,i)*(*this)[i + 1])/(B[i]?B[i]:epsilon)); - return *this; - } - - //! Solve a tridiagonal system of linear equations \newinstance. - template - CImg<_cimg_Ttfloat> get_solve_tridiagonal(const CImg& A) const { - return CImg<_cimg_Ttfloat>(*this,false).solve_tridiagonal(A); - } - - //! Compute eigenvalues and eigenvectors of the instance image, viewed as a matrix. - /** - \param[out] val Vector of the estimated eigenvalues, in decreasing order. - \param[out] vec Matrix of the estimated eigenvectors, sorted by columns. - **/ - template - const CImg& eigen(CImg& val, CImg &vec) const { - if (is_empty()) { val.assign(); vec.assign(); } - else { - if (_width!=_height || _depth>1 || _spectrum>1) - throw CImgInstanceException(_cimg_instance - "eigen(): Instance is not a square matrix.", - cimg_instance); - - if (val.size()<(unsigned long)_width) val.assign(1,_width); - if (vec.size()<(unsigned long)_width*_width) vec.assign(_width,_width); - switch (_width) { - case 1 : { val[0] = (t)(*this)[0]; vec[0] = (t)1; } break; - case 2 : { - const double a = (*this)[0], b = (*this)[1], c = (*this)[2], d = (*this)[3], e = a + d; - double f = e*e - 4*(a*d - b*c); - if (f<0) - cimg::warn(_cimg_instance - "eigen(): Complex eigenvalues found.", - cimg_instance); - - f = std::sqrt(f); - const double l1 = 0.5*(e-f), l2 = 0.5*(e+f); - const double theta1 = std::atan2(l2-a,b), theta2 = std::atan2(l1-a,b); - val[0] = (t)l2; - val[1] = (t)l1; - vec(0,0) = (t)std::cos(theta1); - vec(0,1) = (t)std::sin(theta1); - vec(1,0) = (t)std::cos(theta2); - vec(1,1) = (t)std::sin(theta2); - } break; - default : - throw CImgInstanceException(_cimg_instance - "eigen(): Eigenvalues computation of general matrices is limited " - "to 2x2 matrices.", - cimg_instance); - } - } - return *this; - } - - //! Compute eigenvalues and eigenvectors of the instance image, viewed as a matrix. - /** - \return A list of two images [val; vec], whose meaning is similar as in eigen(CImg&,CImg&) const. - **/ - CImgList get_eigen() const { - CImgList res(2); - eigen(res[0],res[1]); - return res; - } - - //! Compute eigenvalues and eigenvectors of the instance image, viewed as a symmetric matrix. - /** - \param[out] val Vector of the estimated eigenvalues, in decreasing order. - \param[out] vec Matrix of the estimated eigenvectors, sorted by columns. - **/ - template - const CImg& symmetric_eigen(CImg& val, CImg& vec) const { - if (is_empty()) { val.assign(); vec.assign(); } - else { -#ifdef cimg_use_lapack - char JOB = 'V', UPLO = 'U'; - int N = _width, LWORK = 4*N, INFO; - Tfloat - *const lapA = new Tfloat[N*N], - *const lapW = new Tfloat[N], - *const WORK = new Tfloat[LWORK]; - cimg_forXY(*this,k,l) lapA[k*N + l] = (Tfloat)((*this)(k,l)); - cimg::syev(JOB,UPLO,N,lapA,lapW,WORK,LWORK,INFO); - if (INFO) - cimg::warn(_cimg_instance - "symmetric_eigen(): LAPACK library function dsyev_() returned error code %d.", - cimg_instance, - INFO); - - val.assign(1,N); - vec.assign(N,N); - if (!INFO) { - cimg_forY(val,i) val(i) = (T)lapW[N - 1 -i]; - cimg_forXY(vec,k,l) vec(k,l) = (T)(lapA[(N - 1 - k)*N + l]); - } else { val.fill(0); vec.fill(0); } - delete[] lapA; delete[] lapW; delete[] WORK; -#else - if (_width!=_height || _depth>1 || _spectrum>1) - throw CImgInstanceException(_cimg_instance - "eigen(): Instance is not a square matrix.", - cimg_instance); - - val.assign(1,_width); - if (vec._data) vec.assign(_width,_width); - if (_width<3) { - eigen(val,vec); - if (_width==2) { vec[1] = -vec[2]; vec[3] = vec[0]; } // Force orthogonality for 2x2 matrices. - return *this; - } - CImg V(_width,_width); - Tfloat M = 0, m = (Tfloat)min_max(M), maxabs = cimg::max((Tfloat)1.0f,cimg::abs(m),cimg::abs(M)); - (CImg(*this,false)/=maxabs).SVD(vec,val,V,false); - if (maxabs!=1) val*=maxabs; - - bool is_ambiguous = false; - float eig = 0; - cimg_forY(val,p) { // check for ambiguous cases. - if (val[p]>eig) eig = (float)val[p]; - t scal = 0; - cimg_forY(vec,y) scal+=vec(p,y)*V(p,y); - if (cimg::abs(scal)<0.9f) is_ambiguous = true; - if (scal<0) val[p] = -val[p]; - } - if (is_ambiguous) { - ++(eig*=2); - SVD(vec,val,V,false,40,eig); - val-=eig; - } - CImg permutations; // sort eigenvalues in decreasing order - CImg tmp(_width); - val.sort(permutations,false); - cimg_forY(vec,k) { - cimg_forY(permutations,y) tmp(y) = vec(permutations(y),k); - std::memcpy(vec.data(0,k),tmp._data,sizeof(t)*_width); - } -#endif - } - return *this; - } - - //! Compute eigenvalues and eigenvectors of the instance image, viewed as a symmetric matrix. - /** - \return A list of two images [val; vec], whose meaning are similar as in - symmetric_eigen(CImg&,CImg&) const. - **/ - CImgList get_symmetric_eigen() const { - CImgList res(2); - symmetric_eigen(res[0],res[1]); - return res; - } - - //! Sort pixel values and get sorting permutations. - /** - \param[out] permutations Permutation map used for the sorting. - \param is_increasing Tells if pixel values are sorted in an increasing (\c true) or decreasing (\c false) way. - **/ - template - CImg& sort(CImg& permutations, const bool is_increasing=true) { - permutations.assign(_width,_height,_depth,_spectrum); - if (is_empty()) return *this; - cimg_foroff(permutations,off) permutations[off] = (t)off; - return _quicksort(0,size() - 1,permutations,is_increasing,true); - } - - //! Sort pixel values and get sorting permutations \newinstance. - template - CImg get_sort(CImg& permutations, const bool is_increasing=true) const { - return (+*this).sort(permutations,is_increasing); - } - - //! Sort pixel values. - /** - \param is_increasing Tells if pixel values are sorted in an increasing (\c true) or decreasing (\c false) way. - \param axis Tells if the value sorting must be done along a specific axis. Can be: - - \c 0: All pixel values are sorted, independently on their initial position. - - \c 'x': Image columns are sorted, according to the first value in each column. - - \c 'y': Image rows are sorted, according to the first value in each row. - - \c 'z': Image slices are sorted, according to the first value in each slice. - - \c 'c': Image channels are sorted, according to the first value in each channel. - **/ - CImg& sort(const bool is_increasing=true, const char axis=0) { - if (is_empty()) return *this; - CImg perm; - switch (cimg::uncase(axis)) { - case 0 : - _quicksort(0,size() - 1,perm,is_increasing,false); - break; - case 'x' : { - perm.assign(_width); - get_crop(0,0,0,0,_width - 1,0,0,0).sort(perm,is_increasing); - CImg img(*this,false); - cimg_forXYZC(*this,x,y,z,c) (*this)(x,y,z,c) = img(perm[x],y,z,c); - } break; - case 'y' : { - perm.assign(_height); - get_crop(0,0,0,0,0,_height - 1,0,0).sort(perm,is_increasing); - CImg img(*this,false); - cimg_forXYZC(*this,x,y,z,c) (*this)(x,y,z,c) = img(x,perm[y],z,c); - } break; - case 'z' : { - perm.assign(_depth); - get_crop(0,0,0,0,0,0,_depth - 1,0).sort(perm,is_increasing); - CImg img(*this,false); - cimg_forXYZC(*this,x,y,z,c) (*this)(x,y,z,c) = img(x,y,perm[z],c); - } break; - case 'c' : { - perm.assign(_spectrum); - get_crop(0,0,0,0,0,0,0,_spectrum - 1).sort(perm,is_increasing); - CImg img(*this,false); - cimg_forXYZC(*this,x,y,z,c) (*this)(x,y,z,c) = img(x,y,z,perm[c]); - } break; - default : - throw CImgArgumentException(_cimg_instance - "sort(): Invalid specified axis '%c' " - "(should be { x | y | z | c }).", - cimg_instance,axis); - } - return *this; - } - - //! Sort pixel values \newinstance. - CImg get_sort(const bool is_increasing=true, const char axis=0) const { - return (+*this).sort(is_increasing,axis); - } - - template - CImg& _quicksort(const int indm, const int indM, CImg& permutations, - const bool is_increasing, const bool is_permutations) { - if (indm(*this)[mid]) { - cimg::swap((*this)[indm],(*this)[mid]); - if (is_permutations) cimg::swap(permutations[indm],permutations[mid]); - } - if ((*this)[mid]>(*this)[indM]) { - cimg::swap((*this)[indM],(*this)[mid]); - if (is_permutations) cimg::swap(permutations[indM],permutations[mid]); - } - if ((*this)[indm]>(*this)[mid]) { - cimg::swap((*this)[indm],(*this)[mid]); - if (is_permutations) cimg::swap(permutations[indm],permutations[mid]); - } - } else { - if ((*this)[indm]<(*this)[mid]) { - cimg::swap((*this)[indm],(*this)[mid]); - if (is_permutations) cimg::swap(permutations[indm],permutations[mid]); - } - if ((*this)[mid]<(*this)[indM]) { - cimg::swap((*this)[indM],(*this)[mid]); - if (is_permutations) cimg::swap(permutations[indM],permutations[mid]); - } - if ((*this)[indm]<(*this)[mid]) { - cimg::swap((*this)[indm],(*this)[mid]); - if (is_permutations) cimg::swap(permutations[indm],permutations[mid]); - } - } - if (indM - indm>=3) { - const T pivot = (*this)[mid]; - int i = indm, j = indM; - if (is_increasing) { - do { - while ((*this)[i]pivot) --j; - if (i<=j) { - if (is_permutations) cimg::swap(permutations[i],permutations[j]); - cimg::swap((*this)[i++],(*this)[j--]); - } - } while (i<=j); - } else { - do { - while ((*this)[i]>pivot) ++i; - while ((*this)[j] A; // Input matrix (assumed to contain some values). - CImg<> U,S,V; - A.SVD(U,S,V) - \endcode - **/ - template - const CImg& SVD(CImg& U, CImg& S, CImg& V, const bool sorting=true, - const unsigned int max_iteration=40, const float lambda=0) const { - if (is_empty()) { U.assign(); S.assign(); V.assign(); } - else { - U = *this; - if (lambda!=0) { - const unsigned int delta = cimg::min(U._width,U._height); - for (unsigned int i = 0; i rv1(_width); - t anorm = 0, c, f, g = 0, h, s, scale = 0; - int l = 0, nm = 0; - - cimg_forX(U,i) { - l = i + 1; rv1[i] = scale*g; g = s = scale = 0; - if (i=0?-1:1)*std::sqrt(s)); h=f*g-s; U(i,i) = f-g; - for (int j = l; j=0?-1:1)*std::sqrt(s)); h = f*g-s; U(l,i) = f-g; - for (int k = l; k=0; --i) { - if (i=0; --i) { - l = i + 1; g = S[i]; - for (int j = l; j=0; --k) { - for (unsigned int its = 0; its=1; --l) { - nm = l - 1; - if ((cimg::abs(rv1[l]) + anorm)==anorm) { flag = false; break; } - if ((cimg::abs(S[nm]) + anorm)==anorm) break; - } - if (flag) { - c = 0; s = 1; - for (int i = l; i<=k; ++i) { - f = s*rv1[i]; rv1[i] = c*rv1[i]; - if ((cimg::abs(f) + anorm)==anorm) break; - g = S[i]; h = (t)cimg::_pythagore(f,g); S[i] = h; h = 1/h; c = g*h; s = -f*h; - cimg_forY(U,j) { const t y = U(nm,j), z = U(i,j); U(nm,j) = y*c + z*s; U(i,j) = z*c - y*s; } - } - } - - const t z = S[k]; - if (l==k) { if (z<0) { S[k] = -z; cimg_forX(U,j) V(k,j) = -V(k,j); } break; } - nm = k - 1; - t x = S[l], y = S[nm]; - g = rv1[nm]; h = rv1[k]; - f = ((y - z)*(y + z)+(g - h)*(g + h))/cimg::max((t)1e-25,2*h*y); - g = (t)cimg::_pythagore(f,1.0); - f = ((x - z)*(x + z)+h*((y/(f + (f>=0?g:-g))) - h))/cimg::max((t)1e-25,x); - c = s = 1; - for (int j = l; j<=nm; ++j) { - const int i = j + 1; - g = rv1[i]; h = s*g; g = c*g; - t y = S[i]; - t z = (t)cimg::_pythagore(f,h); - rv1[j] = z; c = f/cimg::max((t)1e-25,z); s = h/cimg::max((t)1e-25,z); - f = x*c + g*s; g = g*c - x*s; h = y*s; y*=c; - cimg_forX(U,jj) { const t x = V(j,jj), z = V(i,jj); V(j,jj) = x*c + z*s; V(i,jj) = z*c - x*s; } - z = (t)cimg::_pythagore(f,h); S[j] = z; - if (z) { z = 1/cimg::max((t)1e-25,z); c = f*z; s = h*z; } - f = c*g + s*y; x = c*y - s*g; - cimg_forY(U,jj) { const t y = U(j,jj); z = U(i,jj); U(j,jj) = y*c + z*s; U(i,jj) = z*c - y*s; } - } - rv1[l] = 0; rv1[k]=f; S[k]=x; - } - } - - if (sorting) { - CImg permutations; - CImg tmp(_width); - S.sort(permutations,false); - cimg_forY(U,k) { - cimg_forY(permutations,y) tmp(y) = U(permutations(y),k); - std::memcpy(U.data(0,k),tmp._data,sizeof(t)*_width); - } - cimg_forY(V,k) { - cimg_forY(permutations,y) tmp(y) = V(permutations(y),k); - std::memcpy(V.data(0,k),tmp._data,sizeof(t)*_width); - } - } - } - return *this; - } - - //! Compute the SVD of the instance image, viewed as a general matrix. - /** - \return A list of three images [U; S; V], whose meaning is similar as in - SVD(CImg&,CImg&,CImg&,bool,unsigned int,float) const. - **/ - CImgList get_SVD(const bool sorting=true, - const unsigned int max_iteration=40, const float lambda=0) const { - CImgList res(3); - SVD(res[0],res[1],res[2],sorting,max_iteration,lambda); - return res; - } - - // [internal] Compute the LU decomposition of a permuted matrix. - template - CImg& _LU(CImg& indx, bool& d) { - const int N = width(); - int imax = 0; - CImg vv(N); - indx.assign(N); - d = true; - cimg_forX(*this,i) { - Tfloat vmax = 0; - cimg_forX(*this,j) { - const Tfloat tmp = cimg::abs((*this)(j,i)); - if (tmp>vmax) vmax = tmp; - } - if (vmax==0) { indx.fill(0); return fill(0); } - vv[i] = 1/vmax; - } - cimg_forX(*this,j) { - for (int i = 0; i=vmax) { vmax=tmp; imax=i; } - } - if (j!=imax) { - cimg_forX(*this,k) cimg::swap((*this)(k,imax),(*this)(k,j)); - d =!d; - vv[imax] = vv[j]; - } - indx[j] = (t)imax; - if ((*this)(j,j)==0) (*this)(j,j) = (T)1e-20; - if (j - static CImg dijkstra(const tf& distance, const unsigned int nb_nodes, - const unsigned int starting_node, const unsigned int ending_node, - CImg& previous_node) { - if (starting_node>=nb_nodes) - throw CImgArgumentException("CImg<%s>::dijkstra(): Specified indice of starting node %u is higher " - "than number of nodes %u.", - pixel_type(),starting_node,nb_nodes); - CImg dist(1,nb_nodes,1,1,cimg::type::max()); - dist(starting_node) = 0; - previous_node.assign(1,nb_nodes,1,1,(t)-1); - previous_node(starting_node) = (t)starting_node; - CImg Q(nb_nodes); - cimg_forX(Q,u) Q(u) = (unsigned int)u; - cimg::swap(Q(starting_node),Q(0)); - unsigned int sizeQ = nb_nodes; - while (sizeQ) { - // Update neighbors from minimal vertex - const unsigned int umin = Q(0); - if (umin==ending_node) sizeQ = 0; - else { - const T dmin = dist(umin); - const T infty = cimg::type::max(); - for (unsigned int q = 1; qdist(Q(left))) || - (rightdist(Q(right)));) { - if (right - static CImg dijkstra(const tf& distance, const unsigned int nb_nodes, - const unsigned int starting_node, const unsigned int ending_node=~0U) { - CImg foo; - return dijkstra(distance,nb_nodes,starting_node,ending_node,foo); - } - - //! Return minimal path in a graph, using the Dijkstra algorithm. - /** - \param starting_node Indice of the starting node. - \param ending_node Indice of the ending node. - \param previous_node Array that gives the previous node indice in the path to the starting node - (optional parameter). - \return Array of distances of each node to the starting node. - \note image instance corresponds to the adjacency matrix of the graph. - **/ - template - CImg& dijkstra(const unsigned int starting_node, const unsigned int ending_node, - CImg& previous_node) { - return get_dijkstra(starting_node,ending_node,previous_node).move_to(*this); - } - - //! Return minimal path in a graph, using the Dijkstra algorithm \newinstance. - template - CImg get_dijkstra(const unsigned int starting_node, const unsigned int ending_node, - CImg& previous_node) const { - if (_width!=_height || _depth!=1 || _spectrum!=1) - throw CImgInstanceException(_cimg_instance - "dijkstra(): Instance is not a graph adjacency matrix.", - cimg_instance); - - return dijkstra(*this,_width,starting_node,ending_node,previous_node); - } - - //! Return minimal path in a graph, using the Dijkstra algorithm. - CImg& dijkstra(const unsigned int starting_node, const unsigned int ending_node=~0U) { - return get_dijkstra(starting_node,ending_node).move_to(*this); - } - - //! Return minimal path in a graph, using the Dijkstra algorithm \newinstance. - CImg get_dijkstra(const unsigned int starting_node, const unsigned int ending_node=~0U) const { - CImg foo; - return get_dijkstra(starting_node,ending_node,foo); - } - - //! Return an image containing the ascii codes of the specified string. - /** - \param str input C-string to encode as an image. - \param is_last_zero Tells if the ending \c '0' character appear in the resulting image. - **/ - static CImg string(const char *const str, const bool is_last_zero=true, const bool is_shared=false) { - if (!str) return CImg(); - return CImg(str,(unsigned int)std::strlen(str) + (is_last_zero?1:0),1,1,1,is_shared); - } - - //! Return a \c 1x1 image containing specified value. - /** - \param a0 First vector value. - **/ - static CImg vector(const T& a0) { - CImg r(1,1); - r[0] = a0; - return r; - } - - //! Return a \c 1x2 image containing specified values. - /** - \param a0 First vector value. - \param a1 Second vector value. - **/ - static CImg vector(const T& a0, const T& a1) { - CImg r(1,2); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; - return r; - } - - //! Return a \c 1x3 image containing specified values. - /** - \param a0 First vector value. - \param a1 Second vector value. - \param a2 Third vector value. - **/ - static CImg vector(const T& a0, const T& a1, const T& a2) { - CImg r(1,3); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; - return r; - } - - //! Return a \c 1x4 image containing specified values. - /** - \param a0 First vector value. - \param a1 Second vector value. - \param a2 Third vector value. - \param a3 Fourth vector value. - **/ - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3) { - CImg r(1,4); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; - return r; - } - - //! Return a \c 1x5 image containing specified values. - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3, const T& a4) { - CImg r(1,5); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; *(ptr++) = a4; - return r; - } - - //! Return a \c 1x6 image containing specified values. - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3, const T& a4, const T& a5) { - CImg r(1,6); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; *(ptr++) = a4; *(ptr++) = a5; - return r; - } - - //! Return a \c 1x7 image containing specified values. - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3, - const T& a4, const T& a5, const T& a6) { - CImg r(1,7); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; - *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; - return r; - } - - //! Return a \c 1x8 image containing specified values. - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3, - const T& a4, const T& a5, const T& a6, const T& a7) { - CImg r(1,8); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; - *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; - return r; - } - - //! Return a \c 1x9 image containing specified values. - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3, - const T& a4, const T& a5, const T& a6, const T& a7, - const T& a8) { - CImg r(1,9); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; - *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; - *(ptr++) = a8; - return r; - } - - //! Return a \c 1x10 image containing specified values. - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3, - const T& a4, const T& a5, const T& a6, const T& a7, - const T& a8, const T& a9) { - CImg r(1,10); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; - *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; - *(ptr++) = a8; *(ptr++) = a9; - return r; - } - - //! Return a \c 1x11 image containing specified values. - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3, - const T& a4, const T& a5, const T& a6, const T& a7, - const T& a8, const T& a9, const T& a10) { - CImg r(1,11); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; - *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; - *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; - return r; - } - - //! Return a \c 1x12 image containing specified values. - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3, - const T& a4, const T& a5, const T& a6, const T& a7, - const T& a8, const T& a9, const T& a10, const T& a11) { - CImg r(1,12); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; - *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; - *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; *(ptr++) = a11; - return r; - } - - //! Return a \c 1x13 image containing specified values. - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3, - const T& a4, const T& a5, const T& a6, const T& a7, - const T& a8, const T& a9, const T& a10, const T& a11, - const T& a12) { - CImg r(1,13); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; - *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; - *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; *(ptr++) = a11; - *(ptr++) = a12; - return r; - } - - //! Return a \c 1x14 image containing specified values. - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3, - const T& a4, const T& a5, const T& a6, const T& a7, - const T& a8, const T& a9, const T& a10, const T& a11, - const T& a12, const T& a13) { - CImg r(1,14); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; - *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; - *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; *(ptr++) = a11; - *(ptr++) = a12; *(ptr++) = a13; - return r; - } - - //! Return a \c 1x15 image containing specified values. - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3, - const T& a4, const T& a5, const T& a6, const T& a7, - const T& a8, const T& a9, const T& a10, const T& a11, - const T& a12, const T& a13, const T& a14) { - CImg r(1,15); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; - *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; - *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; *(ptr++) = a11; - *(ptr++) = a12; *(ptr++) = a13; *(ptr++) = a14; - return r; - } - - //! Return a \c 1x16 image containing specified values. - static CImg vector(const T& a0, const T& a1, const T& a2, const T& a3, - const T& a4, const T& a5, const T& a6, const T& a7, - const T& a8, const T& a9, const T& a10, const T& a11, - const T& a12, const T& a13, const T& a14, const T& a15) { - CImg r(1,16); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; - *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; - *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; *(ptr++) = a11; - *(ptr++) = a12; *(ptr++) = a13; *(ptr++) = a14; *(ptr++) = a15; - return r; - } - - //! Return a 1x1 matrix containing specified coefficients. - /** - \param a0 First matrix value. - \note Equivalent to vector(const T&). - **/ - static CImg matrix(const T& a0) { - return vector(a0); - } - - //! Return a 2x2 matrix containing specified coefficients. - /** - \param a0 First matrix value. - \param a1 Second matrix value. - \param a2 Third matrix value. - \param a3 Fourth matrix value. - **/ - static CImg matrix(const T& a0, const T& a1, - const T& a2, const T& a3) { - CImg r(2,2); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; - *(ptr++) = a2; *(ptr++) = a3; - return r; - } - - //! Return a 3x3 matrix containing specified coefficients. - /** - \param a0 First matrix value. - \param a1 Second matrix value. - \param a2 Third matrix value. - \param a3 Fourth matrix value. - \param a4 Fifth matrix value. - \param a5 Sixth matrix value. - \param a6 Seventh matrix value. - \param a7 Eighth matrix value. - \param a8 Nineth matrix value. - **/ - static CImg matrix(const T& a0, const T& a1, const T& a2, - const T& a3, const T& a4, const T& a5, - const T& a6, const T& a7, const T& a8) { - CImg r(3,3); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; - *(ptr++) = a3; *(ptr++) = a4; *(ptr++) = a5; - *(ptr++) = a6; *(ptr++) = a7; *(ptr++) = a8; - return r; - } - - //! Return a 4x4 matrix containing specified coefficients. - static CImg matrix(const T& a0, const T& a1, const T& a2, const T& a3, - const T& a4, const T& a5, const T& a6, const T& a7, - const T& a8, const T& a9, const T& a10, const T& a11, - const T& a12, const T& a13, const T& a14, const T& a15) { - CImg r(4,4); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; - *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; - *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; *(ptr++) = a11; - *(ptr++) = a12; *(ptr++) = a13; *(ptr++) = a14; *(ptr++) = a15; - return r; - } - - //! Return a 5x5 matrix containing specified coefficients. - static CImg matrix(const T& a0, const T& a1, const T& a2, const T& a3, const T& a4, - const T& a5, const T& a6, const T& a7, const T& a8, const T& a9, - const T& a10, const T& a11, const T& a12, const T& a13, const T& a14, - const T& a15, const T& a16, const T& a17, const T& a18, const T& a19, - const T& a20, const T& a21, const T& a22, const T& a23, const T& a24) { - CImg r(5,5); T *ptr = r._data; - *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; *(ptr++) = a4; - *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; *(ptr++) = a8; *(ptr++) = a9; - *(ptr++) = a10; *(ptr++) = a11; *(ptr++) = a12; *(ptr++) = a13; *(ptr++) = a14; - *(ptr++) = a15; *(ptr++) = a16; *(ptr++) = a17; *(ptr++) = a18; *(ptr++) = a19; - *(ptr++) = a20; *(ptr++) = a21; *(ptr++) = a22; *(ptr++) = a23; *(ptr++) = a24; - return r; - } - - //! Return a 1x1 symmetric matrix containing specified coefficients. - /** - \param a0 First matrix value. - \note Equivalent to vector(const T&). - **/ - static CImg tensor(const T& a0) { - return matrix(a0); - } - - //! Return a 2x2 symmetric matrix tensor containing specified coefficients. - static CImg tensor(const T& a0, const T& a1, const T& a2) { - return matrix(a0,a1,a1,a2); - } - - //! Return a 3x3 symmetric matrix containing specified coefficients. - static CImg tensor(const T& a0, const T& a1, const T& a2, const T& a3, const T& a4, const T& a5) { - return matrix(a0,a1,a2,a1,a3,a4,a2,a4,a5); - } - - //! Return a 1x1 diagonal matrix containing specified coefficients. - static CImg diagonal(const T& a0) { - return matrix(a0); - } - - //! Return a 2x2 diagonal matrix containing specified coefficients. - static CImg diagonal(const T& a0, const T& a1) { - return matrix(a0,0,0,a1); - } - - //! Return a 3x3 diagonal matrix containing specified coefficients. - static CImg diagonal(const T& a0, const T& a1, const T& a2) { - return matrix(a0,0,0,0,a1,0,0,0,a2); - } - - //! Return a 4x4 diagonal matrix containing specified coefficients. - static CImg diagonal(const T& a0, const T& a1, const T& a2, const T& a3) { - return matrix(a0,0,0,0,0,a1,0,0,0,0,a2,0,0,0,0,a3); - } - - //! Return a 5x5 diagonal matrix containing specified coefficients. - static CImg diagonal(const T& a0, const T& a1, const T& a2, const T& a3, const T& a4) { - return matrix(a0,0,0,0,0,0,a1,0,0,0,0,0,a2,0,0,0,0,0,a3,0,0,0,0,0,a4); - } - - //! Return a NxN identity matrix. - /** - \param N Dimension of the matrix. - **/ - static CImg identity_matrix(const unsigned int N) { - CImg res(N,N,1,1,0); - cimg_forX(res,x) res(x,x) = 1; - return res; - } - - //! Return a N-numbered sequence vector from \p a0 to \p a1. - /** - \param N Size of the resulting vector. - \param a0 Starting value of the sequence. - \param a1 Ending value of the sequence. - **/ - static CImg sequence(const unsigned int N, const T& a0, const T& a1) { - if (N) return CImg(1,N).sequence(a0,a1); - return CImg(); - } - - //! Return a 3x3 rotation matrix along the (x,y,z)-axis with an angle w. - /** - \param x X-coordinate of the rotation axis, or first quaternion coordinate. - \param y Y-coordinate of the rotation axis, or second quaternion coordinate. - \param z Z-coordinate of the rotation axis, or third quaternion coordinate. - \param w Angle of the rotation axis, or fourth quaternion coordinate. - \param is_quaternion Tell is the four arguments denotes a set { axis + angle } or a quaternion. - **/ - static CImg rotation_matrix(const float x, const float y, const float z, const float w, - const bool is_quaternion=false) { - float X,Y,Z,W; - if (!is_quaternion) { - const float norm = (float)std::sqrt(x*x + y*y + z*z), - nx = norm>0?x/norm:0, - ny = norm>0?y/norm:0, - nz = norm>0?z/norm:1, - nw = norm>0?w:0, - sina = (float)std::sin(nw/2), - cosa = (float)std::cos(nw/2); - X = nx*sina; - Y = ny*sina; - Z = nz*sina; - W = cosa; - } else { - const float norm = (float)std::sqrt(x*x + y*y + z*z + w*w); - if (norm>0) { X = x/norm; Y = y/norm; Z = z/norm; W = w/norm; } - else { X = Y = Z = 0; W = 1; } - } - const float xx = X*X, xy = X*Y, xz = X*Z, xw = X*W, yy = Y*Y, yz = Y*Z, yw = Y*W, zz = Z*Z, zw = Z*W; - return CImg::matrix((T)(1 - 2*(yy + zz)), (T)(2*(xy + zw)), (T)(2*(xz - yw)), - (T)(2*(xy - zw)), (T)(1 - 2*(xx + zz)), (T)(2*(yz + xw)), - (T)(2*(xz + yw)), (T)(2*(yz - xw)), (T)(1 - 2*(xx + yy))); - } - - //@} - //----------------------------------- - // - //! \name Value Manipulation - //@{ - //----------------------------------- - - //! Fill all pixel values with specified value. - /** - \param val Fill value. - **/ - CImg& fill(const T& val) { - if (is_empty()) return *this; - if (val && sizeof(T)!=1) cimg_for(*this,ptrd,T) *ptrd = val; - else std::memset(_data,(int)val,sizeof(T)*size()); - return *this; - } - - //! Fill all pixel values with specified value \newinstance. - CImg get_fill(const T& val) const { - return CImg(_width,_height,_depth,_spectrum).fill(val); - } - - //! Fill sequentially all pixel values with specified values. - /** - \param val0 First fill value. - \param val1 Second fill value. - **/ - CImg& fill(const T& val0, const T& val1) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 1; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 2; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 3; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 4; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3,val4); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 5; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3,val4,val5); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 6; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3,val4,val5,val6); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 7; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3,val4,val5,val6,val7); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 8; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 9; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9, const T& val10) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 10; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9, const T& val10) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9,val10); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9, const T& val10, const T& val11) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 11; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9, const T& val10, const T& val11) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9,val10, - val11); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9, const T& val10, const T& val11, - const T& val12) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 12; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9, const T& val10, const T& val11, - const T& val12) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9,val10, - val11,val12); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9, const T& val10, const T& val11, - const T& val12, const T& val13) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 13; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9, const T& val10, const T& val11, - const T& val12, const T& val13) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9,val10, - val11,val12,val13); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9, const T& val10, const T& val11, - const T& val12, const T& val13, const T& val14) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 14; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9, const T& val10, const T& val11, - const T& val12, const T& val13, const T& val14) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9,val10, - val11,val12,val13,val14); - } - - //! Fill sequentially all pixel values with specified values \overloading. - CImg& fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9, const T& val10, const T& val11, - const T& val12, const T& val13, const T& val14, const T& val15) { - if (is_empty()) return *this; - T *ptrd, *ptre = end() - 15; - for (ptrd = _data; ptrd get_fill(const T& val0, const T& val1, const T& val2, const T& val3, const T& val4, const T& val5, - const T& val6, const T& val7, const T& val8, const T& val9, const T& val10, const T& val11, - const T& val12, const T& val13, const T& val14, const T& val15) const { - return CImg(_width,_height,_depth,_spectrum).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9,val10, - val11,val12,val13,val14,val15); - } - - //! Fill sequentially pixel values according to a given expression. - /** - \param expression C-string describing a math formula, or a list of values. - \param repeat_values In case a list of values is provided, tells if this list must be repeated for the filling. - \param allow_formula tells if a formula is allowed or only a list of values. - \param list_inputs In case of a mathematical expression, attach a list of images to the specified expression. - \param list_outputs In case of a mathematical expression, attach a list of images to the specified expression. - **/ - CImg& fill(const char *const expression, const bool repeat_values, const bool allow_formula=true, - const CImgList *const list_inputs=0, CImgList *const list_outputs=0) { - return _fill(expression,repeat_values,allow_formula,list_inputs,list_outputs,"fill",0); - } - - CImg& _fill(const char *const expression, const bool repeat_values, const bool allow_formula, - const CImgList *const list_inputs, CImgList *const list_outputs, - const char *const calling_function, const CImg *provides_copy) { - if (is_empty() || !expression || !*expression) return *this; - const unsigned int omode = cimg::exception_mode(); - cimg::exception_mode(0); - CImg is_error; - - if (allow_formula) try { // Try to fill values according to a formula - CImg base = provides_copy?provides_copy->get_shared():get_shared(); - _cimg_math_parser mp(expression + (*expression=='>' || *expression=='<' || - *expression=='*' || *expression==':'?1:0), - calling_function,base,this,list_inputs,list_outputs); - if (!provides_copy && expression && *expression!='>' && *expression!='<' && *expression!=':' && - mp.need_input_copy) - base.assign().assign(*this); // Needs input copy - - bool do_in_parallel = false; -#ifdef cimg_use_openmp - cimg_openmp_if(*expression=='*' || *expression==':' || - (mp.is_parallelizable && _width>=320 && _height*_depth*_spectrum>=2 && - std::strlen(expression)>=6)) - do_in_parallel = true; -#endif - if (mp.result_dim) { // Vector-valued expression - const unsigned int N = cimg::min(mp.result_dim,_spectrum); - const unsigned long whd = _width*_height*_depth; - T *ptrd = *expression=='<'?_data + _width*_height*_depth - 1:_data; - if (*expression=='<') { - CImg res(1,mp.result_dim); - cimg_rofXYZ(*this,x,y,z) { - mp(x,y,z,0,res._data); - const double *ptrs = res._data; - T *_ptrd = ptrd--; for (unsigned int n = N; n>0; --n) { *_ptrd = (T)(*ptrs++); _ptrd+=whd; } - } - } else if (*expression=='>' || !do_in_parallel) { - CImg res(1,mp.result_dim); - cimg_forXYZ(*this,x,y,z) { - mp(x,y,z,0,res._data); - const double *ptrs = res._data; - T *_ptrd = ptrd++; for (unsigned int n = N; n>0; --n) { *_ptrd = (T)(*ptrs++); _ptrd+=whd; } - } - } else { -#ifdef cimg_use_openmp -#pragma omp parallel - { - _cimg_math_parser _mp = omp_get_thread_num()?mp:_cimg_math_parser(), &lmp = omp_get_thread_num()?_mp:mp; -#pragma omp for collapse(2) - cimg_forYZ(*this,y,z) { - CImg res(1,lmp.result_dim); - T *ptrd = data(0,y,z,0); - cimg_forX(*this,x) { - lmp(x,y,z,0,res._data); - const double *ptrs = res._data; - T *_ptrd = ptrd++; for (unsigned int n = N; n>0; --n) { *_ptrd = (T)(*ptrs++); _ptrd+=whd; } - } - } - } -#endif - } - - } else { // Scalar-valued expression - T *ptrd = *expression=='<'?end() - 1:_data; - if (*expression=='<') - cimg_rofXYZC(*this,x,y,z,c) *(ptrd--) = (T)mp(x,y,z,c); - else if (*expression=='>' || !do_in_parallel) - cimg_forXYZC(*this,x,y,z,c) *(ptrd++) = (T)mp(x,y,z,c); - else { -#ifdef cimg_use_openmp -#pragma omp parallel - { - _cimg_math_parser _mp = omp_get_thread_num()?mp:_cimg_math_parser(), &lmp = omp_get_thread_num()?_mp:mp; -#pragma omp for collapse(3) - cimg_forYZC(*this,y,z,c) { - T *ptrd = data(0,y,z,c); - cimg_forX(*this,x) *ptrd++ = (T)lmp(x,y,z,c); - } - } -#endif - } - } - } catch (CImgException& e) { CImg::string(e._message).move_to(is_error); } - - // If failed, try to recognize a list of values. - if (!allow_formula || is_error) { - char *const item = new char[16384], sep = 0; - const char *nexpression = expression; - unsigned long nb = 0; - const unsigned long siz = size(); - T *ptrd = _data; - for (double val = 0; *nexpression && nb0 && cimg_sscanf(item,"%lf",&val)==1 && (sep==',' || sep==';' || err==1)) { - nexpression+=std::strlen(item) + (err>1?1:0); - *(ptrd++) = (T)val; - } else break; - } - delete[] item; - cimg::exception_mode(omode); - if (nb get_fill(const char *const expression, const bool repeat_values, const bool allow_formula=true, - const CImgList *const list_inputs=0, CImgList *const list_outputs=0) const { - return (+*this).fill(expression,repeat_values,allow_formula,list_inputs,list_outputs); - } - - //! Fill sequentially pixel values according to the values found in another image. - /** - \param values Image containing the values used for the filling. - \param repeat_values In case there are less values than necessary in \c values, tells if these values must be - repeated for the filling. - **/ - template - CImg& fill(const CImg& values, const bool repeat_values=true) { - if (is_empty() || !values) return *this; - T *ptrd = _data, *ptre = ptrd + size(); - for (t *ptrs = values._data, *ptrs_end = ptrs + values.size(); ptrs - CImg get_fill(const CImg& values, const bool repeat_values=true) const { - return repeat_values?CImg(_width,_height,_depth,_spectrum).fill(values,repeat_values): - (+*this).fill(values,repeat_values); - } - - //! Fill pixel values along the X-axis at a specified pixel position. - /** - \param y Y-coordinate of the filled column. - \param z Z-coordinate of the filled column. - \param c C-coordinate of the filled column. - \param a0 First fill value. - **/ - CImg& fillX(const unsigned int y, const unsigned int z, const unsigned int c, const int a0, ...) { -#define _cimg_fill1(x,y,z,c,off,siz,t) { \ - va_list ap; va_start(ap,a0); T *ptrd = data(x,y,z,c); *ptrd = (T)a0; \ - for (unsigned long k = 1; k& fillX(const unsigned int y, const unsigned int z, const unsigned int c, const double a0, ...) { - if (y<_height && z<_depth && c<_spectrum) _cimg_fill1(0,y,z,c,1,_width,double); - return *this; - } - - //! Fill pixel values along the Y-axis at a specified pixel position. - /** - \param x X-coordinate of the filled row. - \param z Z-coordinate of the filled row. - \param c C-coordinate of the filled row. - \param a0 First fill value. - **/ - CImg& fillY(const unsigned int x, const unsigned int z, const unsigned int c, const int a0, ...) { - if (x<_width && z<_depth && c<_spectrum) _cimg_fill1(x,0,z,c,_width,_height,int); - return *this; - } - - //! Fill pixel values along the Y-axis at a specified pixel position \overloading. - CImg& fillY(const unsigned int x, const unsigned int z, const unsigned int c, const double a0, ...) { - if (x<_width && z<_depth && c<_spectrum) _cimg_fill1(x,0,z,c,_width,_height,double); - return *this; - } - - //! Fill pixel values along the Z-axis at a specified pixel position. - /** - \param x X-coordinate of the filled slice. - \param y Y-coordinate of the filled slice. - \param c C-coordinate of the filled slice. - \param a0 First fill value. - **/ - CImg& fillZ(const unsigned int x, const unsigned int y, const unsigned int c, const int a0, ...) { - const unsigned long wh = (unsigned long)_width*_height; - if (x<_width && y<_height && c<_spectrum) _cimg_fill1(x,y,0,c,wh,_depth,int); - return *this; - } - - //! Fill pixel values along the Z-axis at a specified pixel position \overloading. - CImg& fillZ(const unsigned int x, const unsigned int y, const unsigned int c, const double a0, ...) { - const unsigned long wh = (unsigned long)_width*_height; - if (x<_width && y<_height && c<_spectrum) _cimg_fill1(x,y,0,c,wh,_depth,double); - return *this; - } - - //! Fill pixel values along the C-axis at a specified pixel position. - /** - \param x X-coordinate of the filled channel. - \param y Y-coordinate of the filled channel. - \param z Z-coordinate of the filled channel. - \param a0 First filling value. - **/ - CImg& fillC(const unsigned int x, const unsigned int y, const unsigned int z, const int a0, ...) { - const unsigned long whd = (unsigned long)_width*_height*_depth; - if (x<_width && y<_height && z<_depth) _cimg_fill1(x,y,z,0,whd,_spectrum,int); - return *this; - } - - //! Fill pixel values along the C-axis at a specified pixel position \overloading. - CImg& fillC(const unsigned int x, const unsigned int y, const unsigned int z, const double a0, ...) { - const unsigned long whd = (unsigned long)_width*_height*_depth; - if (x<_width && y<_height && z<_depth) _cimg_fill1(x,y,z,0,whd,_spectrum,double); - return *this; - } - - //! Discard specified sequence of values in the image buffer, along a specific axis. - /** - \param values Sequence of values to discard. - \param axis Axis along which the values are discarded. If set to \c 0 (default value) - the method does it for all the buffer values and returns a one-column vector. - \note Discarded values will change the image geometry, so the resulting image - is returned as a one-column vector. - **/ - template - CImg& discard(const CImg& values, const char axis=0) { - if (is_empty() || !values) return *this; - return get_discard(values,axis).move_to(*this); - } - - template - CImg get_discard(const CImg& values, const char axis=0) const { - CImg res; - if (!values) return +*this; - if (is_empty()) return res; - const unsigned long vsiz = values.size(); - const char _axis = cimg::uncase(axis); - unsigned long j = 0; - unsigned int k = 0; - int i0 = 0; - res.assign(width(),height(),depth(),spectrum()); - switch (_axis) { - case 'x' : { - cimg_forX(*this,i) { - if ((*this)(i)!=(T)values[j]) { - if (j) --i; - res.draw_image(k,get_columns(i0,i)); - k+=i - i0 + 1; i0 = i + 1; j = 0; - } else { ++j; if (j>=vsiz) { j = 0; i0 = i + 1; } } - } - if (i0=vsiz) { j = 0; i0 = i + 1; } } - } - if (i0=vsiz) { j = 0; i0 = i + 1; } } - } - if (i0=vsiz) { j = 0; i0 = i + 1; } } - } - if (i0=vsiz) { j = 0; i0 = (int)i + 1; }} - } - const unsigned long siz = size(); - if ((unsigned long)i0& discard(const char axis=0) { - return get_discard(axis).move_to(*this); - } - - //! Discard neighboring duplicates in the image buffer, along the specified axis \newinstance. - CImg get_discard(const char axis=0) const { - CImg res; - if (is_empty()) return res; - const char _axis = cimg::uncase(axis); - T current = *_data?0:(T)1; - int j = 0; - res.assign(width(),height(),depth(),spectrum()); - switch (_axis) { - case 'x' : { - cimg_forX(*this,i) - if ((*this)(i)!=current) { res.draw_image(j++,get_column(i)); current = (*this)(i); } - res.resize(j,-100,-100,-100,0); - } break; - case 'y' : { - cimg_forY(*this,i) - if ((*this)(0,i)!=current) { res.draw_image(0,j++,get_row(i)); current = (*this)(0,i); } - res.resize(-100,j,-100,-100,0); - } break; - case 'z' : { - cimg_forZ(*this,i) - if ((*this)(0,0,i)!=current) { res.draw_image(0,0,j++,get_slice(i)); current = (*this)(0,0,i); } - res.resize(-100,-100,j,-100,0); - } break; - case 'c' : { - cimg_forC(*this,i) - if ((*this)(0,0,0,i)!=current) { res.draw_image(0,0,0,j++,get_channel(i)); current = (*this)(0,0,0,i); } - res.resize(-100,-100,-100,j,0); - } break; - default : { - res.unroll('y'); - cimg_foroff(*this,i) - if ((*this)[i]!=current) res[j++] = current = (*this)[i]; - res.resize(-100,j,-100,-100,0); - } - } - return res; - } - - //! Invert endianness of all pixel values. - /** - **/ - CImg& invert_endianness() { - cimg::invert_endianness(_data,size()); - return *this; - } - - //! Invert endianness of all pixel values \newinstance. - CImg get_invert_endianness() const { - return (+*this).invert_endianness(); - } - - //! Fill image with random values in specified range. - /** - \param val_min Minimal authorized random value. - \param val_max Maximal authorized random value. - \note Random variables are uniformely distributed in [val_min,val_max]. - **/ - CImg& rand(const T& val_min, const T& val_max) { - const float delta = (float)val_max - (float)val_min + (cimg::type::is_float()?0:1); - if (cimg::type::is_float()) cimg_for(*this,ptrd,T) *ptrd = (T)(val_min + cimg::rand()*delta); - else cimg_for(*this,ptrd,T) *ptrd = cimg::min(val_max,(T)(val_min + cimg::rand()*delta)); - return *this; - } - - //! Fill image with random values in specified range \newinstance. - CImg get_rand(const T& val_min, const T& val_max) const { - return (+*this).rand(val_min,val_max); - } - - //! Round pixel values. - /** - \param y Rounding precision. - \param rounding_type Rounding type. Can be: - - \c -1: Backward. - - \c 0: Nearest. - - \c 1: Forward. - **/ - CImg& round(const double y=1, const int rounding_type=0) { - if (y>0) -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=8192) -#endif - cimg_rof(*this,ptrd,T) *ptrd = cimg::round(*ptrd,y,rounding_type); - return *this; - } - - //! Round pixel values \newinstance. - CImg get_round(const double y=1, const unsigned int rounding_type=0) const { - return (+*this).round(y,rounding_type); - } - - //! Add random noise to pixel values. - /** - \param sigma Amplitude of the random additive noise. If \p sigma<0, it stands for a percentage of the - global value range. - \param noise_type Type of additive noise (can be \p 0=gaussian, \p 1=uniform, \p 2=Salt and Pepper, - \p 3=Poisson or \p 4=Rician). - \return A reference to the modified image instance. - \note - - For Poisson noise (\p noise_type=3), parameter \p sigma is ignored, as Poisson noise only depends on - the image value itself. - - Function \p CImg::get_noise() is also defined. It returns a non-shared modified copy of the image instance. - \par Example - \code - const CImg img("reference.jpg"), res = img.get_noise(40); - (img,res.normalize(0,255)).display(); - \endcode - \image html ref_noise.jpg - **/ - CImg& noise(const double sigma, const unsigned int noise_type=0) { - if (is_empty()) return *this; - const Tfloat vmin = (Tfloat)cimg::type::min(), vmax = (Tfloat)cimg::type::max(); - Tfloat nsigma = (Tfloat)sigma, m = 0, M = 0; - if (nsigma==0 && noise_type!=3) return *this; - if (nsigma<0 || noise_type==2) m = (Tfloat)min_max(M); - if (nsigma<0) nsigma = (Tfloat)(-nsigma*(M-m)/100.0); - switch (noise_type) { - case 0 : { // Gaussian noise - cimg_rof(*this,ptrd,T) { - Tfloat val = (Tfloat)(*ptrd + nsigma*cimg::grand()); - if (val>vmax) val = vmax; - if (valvmax) val = vmax; - if (val::is_float()?1:cimg::type::max()); } - cimg_rof(*this,ptrd,T) if (cimg::rand(100)vmax) val = vmax; - if (val get_noise(const double sigma, const unsigned int noise_type=0) const { - return (+*this).noise(sigma,noise_type); - } - - //! Linearly normalize pixel values. - /** - \param min_value Minimum desired value of the resulting image. - \param max_value Maximum desired value of the resulting image. - \par Example - \code - const CImg img("reference.jpg"), res = img.get_normalize(160,220); - (img,res).display(); - \endcode - \image html ref_normalize2.jpg - **/ - CImg& normalize(const T& min_value, const T& max_value) { - if (is_empty()) return *this; - const T a = min_value=65536) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (T)((*ptrd - fm)/(fM - fm)*(b - a) + a); - return *this; - } - - //! Linearly normalize pixel values \newinstance. - CImg get_normalize(const T& min_value, const T& max_value) const { - return CImg(*this,false).normalize((Tfloat)min_value,(Tfloat)max_value); - } - - //! Normalize multi-valued pixels of the image instance, with respect to their L2-norm. - /** - \par Example - \code - const CImg img("reference.jpg"), res = img.get_normalize(); - (img,res.normalize(0,255)).display(); - \endcode - \image html ref_normalize.jpg - **/ - CImg& normalize() { - const unsigned long whd = (unsigned long)_width*_height*_depth; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=512 && _height*_depth>=16) -#endif - cimg_forYZ(*this,y,z) { - T *ptrd = data(0,y,z,0); - cimg_forX(*this,x) { - const T *ptrs = ptrd; - float n = 0; - cimg_forC(*this,c) { n+=cimg::sqr((float)*ptrs); ptrs+=whd; } - n = (float)std::sqrt(n); - T *_ptrd = ptrd++; - if (n>0) cimg_forC(*this,c) { *_ptrd = (T)(*_ptrd/n); _ptrd+=whd; } - else cimg_forC(*this,c) { *_ptrd = (T)0; _ptrd+=whd; } - } - } - return *this; - } - - //! Normalize multi-valued pixels of the image instance, with respect to their L2-norm \newinstance. - CImg get_normalize() const { - return CImg(*this,false).normalize(); - } - - //! Compute Lp-norm of each multi-valued pixel of the image instance. - /** - \param norm_type Type of computed vector norm (can be \p -1=Linf, or \p>=0). - \par Example - \code - const CImg img("reference.jpg"), res = img.get_norm(); - (img,res.normalize(0,255)).display(); - \endcode - \image html ref_norm.jpg - **/ - CImg& norm(const int norm_type=2) { - if (_spectrum==1 && norm_type) return abs(); - return get_norm(norm_type).move_to(*this); - } - - //! Compute L2-norm of each multi-valued pixel of the image instance \newinstance. - CImg get_norm(const int norm_type=2) const { - if (is_empty()) return *this; - if (_spectrum==1 && norm_type) return get_abs(); - const unsigned long whd = (unsigned long)_width*_height*_depth; - CImg res(_width,_height,_depth); - switch (norm_type) { - case -1 : { // Linf-norm. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=512 && _height*_depth>=16) -#endif - cimg_forYZ(*this,y,z) { - const unsigned long off = (unsigned long)offset(0,y,z); - const T *ptrs = _data + off; - Tfloat *ptrd = res._data + off; - cimg_forX(*this,x) { - Tfloat n = 0; - const T *_ptrs = ptrs++; - cimg_forC(*this,c) { const Tfloat val = (Tfloat)cimg::abs(*_ptrs); if (val>n) n = val; _ptrs+=whd; } - *(ptrd++) = n; - } - } - } break; - case 0 : { // L0-norm. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=512 && _height*_depth>=16) -#endif - cimg_forYZ(*this,y,z) { - const unsigned long off = (unsigned long)offset(0,y,z); - const T *ptrs = _data + off; - Tfloat *ptrd = res._data + off; - cimg_forX(*this,x) { - unsigned int n = 0; - const T *_ptrs = ptrs++; - cimg_forC(*this,c) { n+=*_ptrs==0?0:1; _ptrs+=whd; } - *(ptrd++) = (Tfloat)n; - } - } - } break; - case 1 : { // L1-norm. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=512 && _height*_depth>=16) -#endif - cimg_forYZ(*this,y,z) { - const unsigned long off = (unsigned long)offset(0,y,z); - const T *ptrs = _data + off; - Tfloat *ptrd = res._data + off; - cimg_forX(*this,x) { - Tfloat n = 0; - const T *_ptrs = ptrs++; - cimg_forC(*this,c) { n+=cimg::abs(*_ptrs); _ptrs+=whd; } - *(ptrd++) = n; - } - } - } break; - case 2 : { // L2-norm. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=512 && _height*_depth>=16) -#endif - cimg_forYZ(*this,y,z) { - const unsigned long off = (unsigned long)offset(0,y,z); - const T *ptrs = _data + off; - Tfloat *ptrd = res._data + off; - cimg_forX(*this,x) { - Tfloat n = 0; - const T *_ptrs = ptrs++; - cimg_forC(*this,c) { n+=cimg::sqr((Tfloat)*_ptrs); _ptrs+=whd; } - *(ptrd++) = (Tfloat)std::sqrt((Tfloat)n); - } - } - } break; - default : { // Linf-norm. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=512 && _height*_depth>=16) -#endif - cimg_forYZ(*this,y,z) { - const unsigned long off = (unsigned long)offset(0,y,z); - const T *ptrs = _data + off; - Tfloat *ptrd = res._data + off; - cimg_forX(*this,x) { - Tfloat n = 0; - const T *_ptrs = ptrs++; - cimg_forC(*this,c) { n+=std::pow(cimg::abs((Tfloat)*_ptrs),(Tfloat)norm_type); _ptrs+=whd; } - *(ptrd++) = (Tfloat)std::pow((Tfloat)n,1/(Tfloat)norm_type); - } - } - } - } - return res; - } - - //! Cut pixel values in specified range. - /** - \param min_value Minimum desired value of the resulting image. - \param max_value Maximum desired value of the resulting image. - \par Example - \code - const CImg img("reference.jpg"), res = img.get_cut(160,220); - (img,res).display(); - \endcode - \image html ref_cut.jpg - **/ - CImg& cut(const T& min_value, const T& max_value) { - if (is_empty()) return *this; - const T a = min_value=32768) -#endif - cimg_rof(*this,ptrd,T) *ptrd = (*ptrdb)?b:*ptrd); - return *this; - } - - //! Cut pixel values in specified range \newinstance. - CImg get_cut(const T& min_value, const T& max_value) const { - return (+*this).cut(min_value,max_value); - } - - //! Uniformly quantize pixel values. - /** - \param nb_levels Number of quantization levels. - \param keep_range Tells if resulting values keep the same range as the original ones. - \par Example - \code - const CImg img("reference.jpg"), res = img.get_quantize(4); - (img,res).display(); - \endcode - \image html ref_quantize.jpg - **/ - CImg& quantize(const unsigned int nb_levels, const bool keep_range=true) { - if (!nb_levels) - throw CImgArgumentException(_cimg_instance - "quantize(): Invalid quantization request with 0 values.", - cimg_instance); - - if (is_empty()) return *this; - Tfloat m, M = (Tfloat)max_min(m), range = M - m; - if (range>0) { - if (keep_range) -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) { - const unsigned int val = (unsigned int)((*ptrd-m)*nb_levels/range); - *ptrd = (T)(m + cimg::min(val,nb_levels - 1)*range/nb_levels); - } else -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) { - const unsigned int val = (unsigned int)((*ptrd-m)*nb_levels/range); - *ptrd = (T)cimg::min(val,nb_levels - 1); - } - } - return *this; - } - - //! Uniformly quantize pixel values \newinstance. - CImg get_quantize(const unsigned int n, const bool keep_range=true) const { - return (+*this).quantize(n,keep_range); - } - - //! Threshold pixel values. - /** - \param value Threshold value - \param soft_threshold Tells if soft thresholding must be applied (instead of hard one). - \param strict_threshold Tells if threshold value is strict. - \par Example - \code - const CImg img("reference.jpg"), res = img.get_threshold(128); - (img,res.normalize(0,255)).display(); - \endcode - \image html ref_threshold.jpg - **/ - CImg& threshold(const T& value, const bool soft_threshold=false, const bool strict_threshold=false) { - if (is_empty()) return *this; - if (strict_threshold) { - if (soft_threshold) -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) { - const T v = *ptrd; - *ptrd = v>value?(T)(v-value):v<-(float)value?(T)(v + value):(T)0; - } - else -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=65536) -#endif - cimg_rof(*this,ptrd,T) *ptrd = *ptrd>value?(T)1:(T)0; - } else { - if (soft_threshold) -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=32768) -#endif - cimg_rof(*this,ptrd,T) { - const T v = *ptrd; - *ptrd = v>=value?(T)(v-value):v<=-(float)value?(T)(v + value):(T)0; - } - else -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=65536) -#endif - cimg_rof(*this,ptrd,T) *ptrd = *ptrd>=value?(T)1:(T)0; - } - return *this; - } - - //! Threshold pixel values \newinstance. - CImg get_threshold(const T& value, const bool soft_threshold=false, const bool strict_threshold=false) const { - return (+*this).threshold(value,soft_threshold,strict_threshold); - } - - //! Compute the histogram of pixel values. - /** - \param nb_levels Number of desired histogram levels. - \param min_value Minimum pixel value considered for the histogram computation. - All pixel values lower than \p min_value will not be counted. - \param max_value Maximum pixel value considered for the histogram computation. - All pixel values higher than \p max_value will not be counted. - \note - - The histogram H of an image I is the 1d function where H(x) counts the number of occurences of the value x - in the image I. - - The resulting histogram is always defined in 1d. Histograms of multi-valued images are not multi-dimensional. - \par Example - \code - const CImg img = CImg("reference.jpg").histogram(256); - img.display_graph(0,3); - \endcode - \image html ref_histogram.jpg - **/ - CImg& histogram(const unsigned int nb_levels, const T& min_value, const T& max_value) { - return get_histogram(nb_levels,min_value,max_value).move_to(*this); - } - - //! Compute the histogram of pixel values \overloading. - CImg& histogram(const unsigned int nb_levels) { - return get_histogram(nb_levels).move_to(*this); - } - - //! Compute the histogram of pixel values \newinstance. - CImg get_histogram(const unsigned int nb_levels, const T& min_value, const T& max_value) const { - if (!nb_levels || is_empty()) return CImg(); - const double - vmin = (double)(min_value res(nb_levels,1,1,1,0); - cimg_rof(*this,ptrs,T) { - const T val = *ptrs; - if (val>=vmin && val<=vmax) ++res[val==vmax?nb_levels - 1:(unsigned int)((val - vmin)*nb_levels/(vmax - vmin))]; - } - return res; - } - - //! Compute the histogram of pixel values \newinstance. - CImg get_histogram(const unsigned int nb_levels) const { - if (!nb_levels || is_empty()) return CImg(); - T vmax = 0, vmin = min_max(vmax); - return get_histogram(nb_levels,vmin,vmax); - } - - //! Equalize histogram of pixel values. - /** - \param nb_levels Number of histogram levels used for the equalization. - \param min_value Minimum pixel value considered for the histogram computation. - All pixel values lower than \p min_value will not be counted. - \param max_value Maximum pixel value considered for the histogram computation. - All pixel values higher than \p max_value will not be counted. - \par Example - \code - const CImg img("reference.jpg"), res = img.get_equalize(256); - (img,res).display(); - \endcode - \image html ref_equalize.jpg - **/ - CImg& equalize(const unsigned int nb_levels, const T& min_value, const T& max_value) { - if (!nb_levels || is_empty()) return *this; - const T - vmin = min_value hist = get_histogram(nb_levels,vmin,vmax); - unsigned long cumul = 0; - cimg_forX(hist,pos) { cumul+=hist[pos]; hist[pos] = cumul; } - if (!cumul) cumul = 1; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(size()>=1048576) -#endif - cimg_rof(*this,ptrd,T) { - const int pos = (int)((*ptrd-vmin)*(nb_levels - 1.)/(vmax-vmin)); - if (pos>=0 && pos<(int)nb_levels) *ptrd = (T)(vmin + (vmax-vmin)*hist[pos]/cumul); - } - return *this; - } - - //! Equalize histogram of pixel values \overloading. - CImg& equalize(const unsigned int nb_levels) { - if (!nb_levels || is_empty()) return *this; - T vmax = 0, vmin = min_max(vmax); - return equalize(nb_levels,vmin,vmax); - } - - //! Equalize histogram of pixel values \newinstance. - CImg get_equalize(const unsigned int nblevels, const T& val_min, const T& val_max) const { - return (+*this).equalize(nblevels,val_min,val_max); - } - - //! Equalize histogram of pixel values \newinstance. - CImg get_equalize(const unsigned int nblevels) const { - return (+*this).equalize(nblevels); - } - - //! Index multi-valued pixels regarding to a specified colormap. - /** - \param colormap Multi-valued colormap used as the basis for multi-valued pixel indexing. - \param dithering Level of dithering (0=disable, 1=standard level). - \param map_indexes Tell if the values of the resulting image are the colormap indices or the colormap vectors. - \note - - \p img.index(colormap,dithering,1) is equivalent to img.index(colormap,dithering,0).map(colormap). - \par Example - \code - const CImg img("reference.jpg"), colormap(3,1,1,3, 0,128,255, 0,128,255, 0,128,255); - const CImg res = img.get_index(colormap,1,true); - (img,res).display(); - \endcode - \image html ref_index.jpg - **/ - template - CImg& index(const CImg& colormap, const float dithering=1, const bool map_indexes=false) { - return get_index(colormap,dithering,map_indexes).move_to(*this); - } - - //! Index multi-valued pixels regarding to a specified colormap \newinstance. - template - CImg::Tuint> - get_index(const CImg& colormap, const float dithering=1, const bool map_indexes=true) const { - if (colormap._spectrum!=_spectrum) - throw CImgArgumentException(_cimg_instance - "index(): Instance and specified colormap (%u,%u,%u,%u,%p) " - "have incompatible dimensions.", - cimg_instance, - colormap._width,colormap._height,colormap._depth,colormap._spectrum,colormap._data); - - typedef typename CImg::Tuint tuint; - if (is_empty()) return CImg(); - const unsigned long - whd = (unsigned long)_width*_height*_depth, - pwhd = (unsigned long)colormap._width*colormap._height*colormap._depth; - CImg res(_width,_height,_depth,map_indexes?_spectrum:1); - tuint *ptrd = res._data; - if (dithering>0) { // Dithered versions. - const float ndithering = (dithering<0?0:dithering>1?1:dithering)/16; - Tfloat valm = 0, valM = (Tfloat)max_min(valm); - if (valm==valM && valm>=0 && valM<=255) { valm = 0; valM = 255; } - CImg cache = get_crop(-1,0,0,0,_width,1,0,_spectrum - 1); - Tfloat *cache_current = cache.data(1,0,0,0), *cache_next = cache.data(1,1,0,0); - const unsigned long cwhd = (unsigned long)cache._width*cache._height*cache._depth; - switch (_spectrum) { - case 1 : { // Optimized for scalars. - cimg_forYZ(*this,y,z) { - if (yvalM?valM:_val0; - Tfloat distmin = cimg::type::max(); const t *ptrmin0 = colormap._data; - for (const t *ptrp0 = colormap._data, *ptrp_end = ptrp0 + pwhd; ptrp0valM?valM:_val0, - _val1 = (Tfloat)*ptrs1, val1 = _val1valM?valM:_val1; - Tfloat distmin = cimg::type::max(); const t *ptrmin0 = colormap._data; - for (const t *ptrp0 = colormap._data, *ptrp1 = ptrp0 + pwhd, *ptrp_end = ptrp1; ptrp0valM?valM:_val0, - _val1 = (Tfloat)*ptrs1, val1 = _val1valM?valM:_val1, - _val2 = (Tfloat)*ptrs2, val2 = _val2valM?valM:_val2; - Tfloat distmin = cimg::type::max(); const t *ptrmin0 = colormap._data; - for (const t *ptrp0 = colormap._data, *ptrp1 = ptrp0 + pwhd, *ptrp2 = ptrp1 + pwhd, - *ptrp_end = ptrp1; ptrp0::max(); const t *ptrmin = colormap._data; - for (const t *ptrp = colormap._data, *ptrp_end = ptrp + pwhd; ptrpvalM?valM:_val; - dist+=cimg::sqr((*_ptrs=val) - (Tfloat)*_ptrp); _ptrs+=cwhd; _ptrp+=pwhd; - } - if (dist=64 && _height*_depth>=16 && pwhd>=16) -#endif - cimg_forYZ(*this,y,z) { - tuint *ptrd = res.data(0,y,z); - for (const T *ptrs0 = data(0,y,z), *ptrs_end = ptrs0 + _width; ptrs0::max(); const t *ptrmin0 = colormap._data; - for (const t *ptrp0 = colormap._data, *ptrp_end = ptrp0 + pwhd; ptrp0=64 && _height*_depth>=16 && pwhd>=16) -#endif - cimg_forYZ(*this,y,z) { - tuint *ptrd = res.data(0,y,z), *ptrd1 = ptrd + whd; - for (const T *ptrs0 = data(0,y,z), *ptrs1 = ptrs0 + whd, *ptrs_end = ptrs0 + _width; ptrs0::max(); const t *ptrmin0 = colormap._data; - for (const t *ptrp0 = colormap._data, *ptrp1 = ptrp0 + pwhd, *ptrp_end = ptrp1; ptrp0=64 && _height*_depth>=16 && pwhd>=16) -#endif - cimg_forYZ(*this,y,z) { - tuint *ptrd = res.data(0,y,z), *ptrd1 = ptrd + whd, *ptrd2 = ptrd1 + whd; - for (const T *ptrs0 = data(0,y,z), *ptrs1 = ptrs0 + whd, *ptrs2 = ptrs1 + whd, - *ptrs_end = ptrs0 + _width; ptrs0::max(); const t *ptrmin0 = colormap._data; - for (const t *ptrp0 = colormap._data, *ptrp1 = ptrp0 + pwhd, *ptrp2 = ptrp1 + pwhd, - *ptrp_end = ptrp1; ptrp0=64 && _height*_depth>=16 && pwhd>=16) -#endif - cimg_forYZ(*this,y,z) { - tuint *ptrd = res.data(0,y,z); - for (const T *ptrs = data(0,y,z), *ptrs_end = ptrs + _width; ptrs::max(); const t *ptrmin = colormap._data; - for (const t *ptrp = colormap._data, *ptrp_end = ptrp + pwhd; ptrp img("reference.jpg"), - colormap1(3,1,1,3, 0,128,255, 0,128,255, 0,128,255), - colormap2(3,1,1,3, 255,0,0, 0,255,0, 0,0,255), - res = img.get_index(colormap1,0).map(colormap2); - (img,res).display(); - \endcode - \image html ref_map.jpg - **/ - template - CImg& map(const CImg& colormap, const unsigned int boundary_conditions=0) { - return get_map(colormap,boundary_conditions).move_to(*this); - } - - //! Map predefined colormap on the scalar (indexed) image instance \newinstance. - template - CImg get_map(const CImg& colormap, const unsigned int boundary_conditions=0) const { - if (_spectrum!=1 && colormap._spectrum!=1) - throw CImgArgumentException(_cimg_instance - "map(): Instance and specified colormap (%u,%u,%u,%u,%p) " - "have incompatible dimensions.", - cimg_instance, - colormap._width,colormap._height,colormap._depth,colormap._spectrum,colormap._data); - - const unsigned long - whd = (unsigned long)_width*_height*_depth, - pwhd = (unsigned long)colormap._width*colormap._height*colormap._depth; - CImg res(_width,_height,_depth,colormap._spectrum==1?_spectrum:colormap._spectrum); - switch (colormap._spectrum) { - - case 1 : { // Optimized for scalars. - const T *ptrs = _data; - switch (boundary_conditions) { - case 2 : // Periodic boundaries. - cimg_for(res,ptrd,t) { - const unsigned long ind = (unsigned long)*(ptrs++); - *ptrd = colormap[ind%pwhd]; - } break; - case 1 : // Neumann boundaries. - cimg_for(res,ptrd,t) { - const long ind = (long)*(ptrs++); - *ptrd = colormap[ind<0?0:ind>=(long)pwhd?pwhd - 1:ind]; - } break; - default : // Dirichlet boundaries. - cimg_for(res,ptrd,t) { - const unsigned long ind = (unsigned long)*(ptrs++); - *ptrd = ind=(long)pwhd?(long)pwhd - 1:_ind; - *(ptrd0++) = ptrp0[ind]; *(ptrd1++) = ptrp1[ind]; - } - } break; - default : { // Dirichlet boundaries. - const t *const ptrp0 = colormap._data, *ptrp1 = ptrp0 + pwhd; - t *ptrd0 = res._data, *ptrd1 = ptrd0 + whd; - for (const T *ptrs = _data, *ptrs_end = ptrs + whd; ptrs=(long)pwhd?(long)pwhd - 1:_ind; - *(ptrd0++) = ptrp0[ind]; *(ptrd1++) = ptrp1[ind]; *(ptrd2++) = ptrp2[ind]; - } - } break; - default : { // Dirichlet boundaries. - const t *const ptrp0 = colormap._data, *ptrp1 = ptrp0 + pwhd, *ptrp2 = ptrp1 + pwhd; - t *ptrd0 = res._data, *ptrd1 = ptrd0 + whd, *ptrd2 = ptrd1 + whd; - for (const T *ptrs = _data, *ptrs_end = ptrs + whd; ptrs=(long)pwhd?(long)pwhd - 1:_ind; - const t *ptrp = colormap._data + ind; - t *_ptrd = ptrd++; cimg_forC(res,c) { *_ptrd = *ptrp; _ptrd+=whd; ptrp+=pwhd; } - } - } break; - default : { // Dirichlet boundaries. - t *ptrd = res._data; - for (const T *ptrs = _data, *ptrs_end = ptrs + whd; ptrs& label(const bool is_high_connectivity=false, const Tfloat tolerance=0) { - return get_label(is_high_connectivity,tolerance).move_to(*this); - } - - //! Label connected components \newinstance. - CImg get_label(const bool is_high_connectivity=false, - const Tfloat tolerance=0) const { - if (is_empty()) return CImg(); - - // Create neighborhood tables. - int dx[13], dy[13], dz[13], nb = 0; - dx[nb] = 1; dy[nb] = 0; dz[nb++] = 0; - dx[nb] = 0; dy[nb] = 1; dz[nb++] = 0; - if (is_high_connectivity) { - dx[nb] = 1; dy[nb] = 1; dz[nb++] = 0; - dx[nb] = 1; dy[nb] = -1; dz[nb++] = 0; - } - if (_depth>1) { // 3d version. - dx[nb] = 0; dy[nb] = 0; dz[nb++]=1; - if (is_high_connectivity) { - dx[nb] = 1; dy[nb] = 1; dz[nb++] = -1; - dx[nb] = 1; dy[nb] = 0; dz[nb++] = -1; - dx[nb] = 1; dy[nb] = -1; dz[nb++] = -1; - dx[nb] = 0; dy[nb] = 1; dz[nb++] = -1; - - dx[nb] = 0; dy[nb] = 1; dz[nb++] = 1; - dx[nb] = 1; dy[nb] = -1; dz[nb++] = 1; - dx[nb] = 1; dy[nb] = 0; dz[nb++] = 1; - dx[nb] = 1; dy[nb] = 1; dz[nb++] = 1; - } - } - return _get_label(nb,dx,dy,dz,tolerance); - } - - //! Label connected components \overloading. - /** - \param connectivity_mask Mask of the neighboring pixels. - \param tolerance Tolerance used to determine if two neighboring pixels belong to the same region. - **/ - template - CImg& label(const CImg& connectivity_mask, const Tfloat tolerance=0) { - return get_label(connectivity_mask,tolerance).move_to(*this); - } - - //! Label connected components \newinstance. - template - CImg get_label(const CImg& connectivity_mask, - const Tfloat tolerance=0) const { - int nb = 0; - cimg_for(connectivity_mask,ptr,t) if (*ptr) ++nb; - CImg dx(nb,1,1,1,0), dy(nb,1,1,1,0), dz(nb,1,1,1,0); - nb = 0; - cimg_forXYZ(connectivity_mask,x,y,z) if ((x || y || z) && - connectivity_mask(x,y,z)) { - dx[nb] = x; dy[nb] = y; dz[nb++] = z; - } - return _get_label(nb,dx,dy,dz,tolerance); - } - - CImg _get_label(const unsigned int nb, const int - *const dx, const int *const dy, const int *const dz, - const Tfloat tolerance) const { - CImg res(_width,_height,_depth,_spectrum); - cimg_forC(*this,c) { - CImg _res = res.get_shared_channel(c); - - // Init label numbers. - unsigned long *ptr = _res.data(); - cimg_foroff(_res,p) *(ptr++) = p; - - // For each neighbour-direction, label. - for (unsigned int n = 0; n& _system_strescape() { -#define cimg_system_strescape(c,s) case c : if (p!=ptrs) CImg(ptrs,(unsigned int)(p-ptrs),1,1,1,false).\ - move_to(list); \ - CImg(s,(unsigned int)std::strlen(s),1,1,1,false).move_to(list); ptrs = p + 1; break - CImgList list; - const T *ptrs = _data; - cimg_for(*this,p,T) switch ((int)*p) { - cimg_system_strescape('\\',"\\\\"); - cimg_system_strescape('\"',"\\\""); - cimg_system_strescape('!',"\"\\!\""); - cimg_system_strescape('`',"\\`"); - cimg_system_strescape('$',"\\$"); - } - if (ptrs(ptrs,(unsigned int)(end()-ptrs),1,1,1,false).move_to(list); - return (list>'x').move_to(*this); - } - - //@} - //--------------------------------- - // - //! \name Color Base Management - //@{ - //--------------------------------- - - //! Return colormap \e "default", containing 256 colors entries in RGB. - /** - \return The following \c 256x1x1x3 colormap is returned: - \image html ref_colormap_default.jpg - **/ - static const CImg& default_LUT256() { - static CImg colormap; - cimg::mutex(8); - if (!colormap) { - colormap.assign(1,256,1,3); - for (unsigned int index = 0, r = 16; r<256; r+=32) - for (unsigned int g = 16; g<256; g+=32) - for (unsigned int b = 32; b<256; b+=64) { - colormap(0,index,0) = (Tuchar)r; - colormap(0,index,1) = (Tuchar)g; - colormap(0,index++,2) = (Tuchar)b; - } - } - cimg::mutex(8,0); - return colormap; - } - - //! Return colormap \e "HSV", containing 256 colors entries in RGB. - /** - \return The following \c 256x1x1x3 colormap is returned: - \image html ref_colormap_hsv.jpg - **/ - static const CImg& HSV_LUT256() { - static CImg colormap; - cimg::mutex(8); - if (!colormap) { - CImg tmp(1,256,1,3,1); - tmp.get_shared_channel(0).sequence(0,359); - colormap = tmp.HSVtoRGB(); - } - cimg::mutex(8,0); - return colormap; - } - - //! Return colormap \e "lines", containing 256 colors entries in RGB. - /** - \return The following \c 256x1x1x3 colormap is returned: - \image html ref_colormap_lines.jpg - **/ - static const CImg& lines_LUT256() { - static const unsigned char pal[] = { - 217,62,88,75,1,237,240,12,56,160,165,116,1,1,204,2,15,248,148,185,133,141,46,246,222,116,16,5,207,226, - 17,114,247,1,214,53,238,0,95,55,233,235,109,0,17,54,33,0,90,30,3,0,94,27,19,0,68,212,166,130,0,15,7,119, - 238,2,246,198,0,3,16,10,13,2,25,28,12,6,2,99,18,141,30,4,3,140,12,4,30,233,7,10,0,136,35,160,168,184,20, - 233,0,1,242,83,90,56,180,44,41,0,6,19,207,5,31,214,4,35,153,180,75,21,76,16,202,218,22,17,2,136,71,74, - 81,251,244,148,222,17,0,234,24,0,200,16,239,15,225,102,230,186,58,230,110,12,0,7,129,249,22,241,37,219, - 1,3,254,210,3,212,113,131,197,162,123,252,90,96,209,60,0,17,0,180,249,12,112,165,43,27,229,77,40,195,12, - 87,1,210,148,47,80,5,9,1,137,2,40,57,205,244,40,8,252,98,0,40,43,206,31,187,0,180,1,69,70,227,131,108,0, - 223,94,228,35,248,243,4,16,0,34,24,2,9,35,73,91,12,199,51,1,249,12,103,131,20,224,2,70,32, - 233,1,165,3,8,154,246,233,196,5,0,6,183,227,247,195,208,36,0,0,226,160,210,198,69,153,210,1,23,8,192,2,4, - 137,1,0,52,2,249,241,129,0,0,234,7,238,71,7,32,15,157,157,252,158,2,250,6,13,30,11,162,0,199,21,11,27,224, - 4,157,20,181,111,187,218,3,0,11,158,230,196,34,223,22,248,135,254,210,157,219,0,117,239,3,255,4,227,5,247, - 11,4,3,188,111,11,105,195,2,0,14,1,21,219,192,0,183,191,113,241,1,12,17,248,0,48,7,19,1,254,212,0,239,246, - 0,23,0,250,165,194,194,17,3,253,0,24,6,0,141,167,221,24,212,2,235,243,0,0,205,1,251,133,204,28,4,6,1,10, - 141,21,74,12,236,254,228,19,1,0,214,1,186,13,13,6,13,16,27,209,6,216,11,207,251,59,32,9,155,23,19,235,143, - 116,6,213,6,75,159,23,6,0,228,4,10,245,249,1,7,44,234,4,102,174,0,19,239,103,16,15,18,8,214,22,4,47,244, - 255,8,0,251,173,1,212,252,250,251,252,6,0,29,29,222,233,246,5,149,0,182,180,13,151,0,203,183,0,35,149,0, - 235,246,254,78,9,17,203,73,11,195,0,3,5,44,0,0,237,5,106,6,130,16,214,20,168,247,168,4,207,11,5,1,232,251, - 129,210,116,231,217,223,214,27,45,38,4,177,186,249,7,215,172,16,214,27,249,230,236,2,34,216,217,0,175,30, - 243,225,244,182,20,212,2,226,21,255,20,0,2,13,62,13,191,14,76,64,20,121,4,118,0,216,1,147,0,2,210,1,215, - 95,210,236,225,184,46,0,248,24,11,1,9,141,250,243,9,221,233,160,11,147,2,55,8,23,12,253,9,0,54,0,231,6,3, - 141,8,2,246,9,180,5,11,8,227,8,43,110,242,1,130,5,97,36,10,6,219,86,133,11,108,6,1,5,244,67,19,28,0,174, - 154,16,127,149,252,188,196,196,228,244,9,249,0,0,0,37,170,32,250,0,73,255,23,3,224,234,38,195,198,0,255,87, - 33,221,174,31,3,0,189,228,6,153,14,144,14,108,197,0,9,206,245,254,3,16,253,178,248,0,95,125,8,0,3,168,21, - 23,168,19,50,240,244,185,0,1,144,10,168,31,82,1,13 }; - static const CImg colormap(pal,1,256,1,3,false); - return colormap; - } - - //! Return colormap \e "hot", containing 256 colors entries in RGB. - /** - \return The following \c 256x1x1x3 colormap is returned: - \image html ref_colormap_hot.jpg - **/ - static const CImg& hot_LUT256() { - static CImg colormap; - cimg::mutex(8); - if (!colormap) { - colormap.assign(1,4,1,3,0); - colormap[1] = colormap[2] = colormap[3] = colormap[6] = colormap[7] = colormap[11] = 255; - colormap.resize(1,256,1,3,3); - } - cimg::mutex(8,0); - return colormap; - } - - //! Return colormap \e "cool", containing 256 colors entries in RGB. - /** - \return The following \c 256x1x1x3 colormap is returned: - \image html ref_colormap_cool.jpg - **/ - static const CImg& cool_LUT256() { - static CImg colormap; - cimg::mutex(8); - if (!colormap) colormap.assign(1,2,1,3).fill(0,255,255,0,255,255).resize(1,256,1,3,3); - cimg::mutex(8,0); - return colormap; - } - - //! Return colormap \e "jet", containing 256 colors entries in RGB. - /** - \return The following \c 256x1x1x3 colormap is returned: - \image html ref_colormap_jet.jpg - **/ - static const CImg& jet_LUT256() { - static CImg colormap; - cimg::mutex(8); - if (!colormap) { - colormap.assign(1,4,1,3,0); - colormap[2] = colormap[3] = colormap[5] = colormap[6] = colormap[8] = colormap[9] = 255; - colormap.resize(1,256,1,3,3); - } - cimg::mutex(8,0); - return colormap; - } - - //! Return colormap \e "flag", containing 256 colors entries in RGB. - /** - \return The following \c 256x1x1x3 colormap is returned: - \image html ref_colormap_flag.jpg - **/ - static const CImg& flag_LUT256() { - static CImg colormap; - cimg::mutex(8); - if (!colormap) { - colormap.assign(1,4,1,3,0); - colormap[0] = colormap[1] = colormap[5] = colormap[9] = colormap[10] = 255; - colormap.resize(1,256,1,3,0,2); - } - cimg::mutex(8,0); - return colormap; - } - - //! Return colormap \e "cube", containing 256 colors entries in RGB. - /** - \return The following \c 256x1x1x3 colormap is returned: - \image html ref_colormap_cube.jpg - **/ - static const CImg& cube_LUT256() { - static CImg colormap; - cimg::mutex(8); - if (!colormap) { - colormap.assign(1,8,1,3,0); - colormap[1] = colormap[3] = colormap[5] = colormap[7] = - colormap[10] = colormap[11] = colormap[12] = colormap[13] = - colormap[20] = colormap[21] = colormap[22] = colormap[23] = 255; - colormap.resize(1,256,1,3,3); - } - cimg::mutex(8,0); - return colormap; - } - - //! Convert pixel values from sRGB to RGB color spaces. - CImg& sRGBtoRGB() { - cimg_for(*this,ptr,T) { - const Tfloat - sval = (Tfloat)*ptr, - nsval = (sval<0?0:sval>255?255:sval)/255, - val = (Tfloat)(nsval<=0.04045f?nsval/12.92f:std::pow((nsval + 0.055f)/(1.055f),2.4f)); - *ptr = (T)(val*255); - } - return *this; - } - - //! Convert pixel values from sRGB to RGB color spaces \newinstance. - CImg get_sRGBtoRGB() const { - return CImg(*this,false).sRGBtoRGB(); - } - - //! Convert pixel values from RGB to sRGB color spaces. - CImg& RGBtosRGB() { - cimg_for(*this,ptr,T) { - const Tfloat - val = (Tfloat)*ptr, - nval = (val<0?0:val>255?255:val)/255, - sval = (Tfloat)(nval<=0.0031308f?nval*12.92f:1.055f*std::pow(nval,0.416667f)-0.055f); - *ptr = (T)(sval*255); - } - return *this; - } - - //! Convert pixel values from RGB to sRGB color spaces \newinstance. - CImg get_RGBtosRGB() const { - return CImg(*this,false).RGBtosRGB(); - } - - //! Convert pixel values from RGB to HSV color spaces. - CImg& RGBtoHSV() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "RGBtoHSV(): Instance is not a RGB image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - R = (Tfloat)*p1, - G = (Tfloat)*p2, - B = (Tfloat)*p3, - nR = (R<0?0:(R>255?255:R))/255, - nG = (G<0?0:(G>255?255:G))/255, - nB = (B<0?0:(B>255?255:B))/255, - m = cimg::min(nR,nG,nB), - M = cimg::max(nR,nG,nB); - Tfloat H = 0, S = 0; - if (M!=m) { - const Tfloat - f = (nR==m)?(nG-nB):((nG==m)?(nB-nR):(nR-nG)), - i = (Tfloat)((nR==m)?3:((nG==m)?5:1)); - H = (i-f/(M-m)); - if (H>=6) H-=6; - H*=60; - S = (M-m)/M; - } - *(p1++) = (T)H; - *(p2++) = (T)S; - *(p3++) = (T)M; - } - return *this; - } - - //! Convert pixel values from RGB to HSV color spaces \newinstance. - CImg get_RGBtoHSV() const { - return CImg(*this,false).RGBtoHSV(); - } - - //! Convert pixel values from HSV to RGB color spaces. - CImg& HSVtoRGB() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "HSVtoRGB(): Instance is not a HSV image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - Tfloat - H = cimg::mod((Tfloat)*p1,(Tfloat)360), - S = (Tfloat)*p2, - V = (Tfloat)*p3, - R = 0, G = 0, B = 0; - if (H==0 && S==0) R = G = B = V; - else { - H/=60; - const int i = (int)std::floor(H); - const Tfloat - f = (i&1)?(H - i):(1 - H + i), - m = V*(1 - S), - n = V*(1 - S*f); - switch (i) { - case 6 : - case 0 : R = V; G = n; B = m; break; - case 1 : R = n; G = V; B = m; break; - case 2 : R = m; G = V; B = n; break; - case 3 : R = m; G = n; B = V; break; - case 4 : R = n; G = m; B = V; break; - case 5 : R = V; G = m; B = n; break; - } - } - R*=255; G*=255; B*=255; - *(p1++) = (T)(R<0?0:(R>255?255:R)); - *(p2++) = (T)(G<0?0:(G>255?255:G)); - *(p3++) = (T)(B<0?0:(B>255?255:B)); - } - return *this; - } - - //! Convert pixel values from HSV to RGB color spaces \newinstance. - CImg get_HSVtoRGB() const { - return CImg(*this,false).HSVtoRGB(); - } - - //! Convert pixel values from RGB to HSL color spaces. - CImg& RGBtoHSL() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "RGBtoHSL(): Instance is not a RGB image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - R = (Tfloat)*p1, - G = (Tfloat)*p2, - B = (Tfloat)*p3, - nR = (R<0?0:(R>255?255:R))/255, - nG = (G<0?0:(G>255?255:G))/255, - nB = (B<0?0:(B>255?255:B))/255, - m = cimg::min(nR,nG,nB), - M = cimg::max(nR,nG,nB), - L = (m + M)/2; - Tfloat H = 0, S = 0; - if (M==m) H = S = 0; - else { - const Tfloat - f = (nR==m)?(nG-nB):((nG==m)?(nB-nR):(nR-nG)), - i = (nR==m)?3.0f:((nG==m)?5.0f:1.0f); - H = (i-f/(M-m)); - if (H>=6) H-=6; - H*=60; - S = (2*L<=1)?((M - m)/(M + m)):((M - m)/(2 - M - m)); - } - *(p1++) = (T)H; - *(p2++) = (T)S; - *(p3++) = (T)L; - } - return *this; - } - - //! Convert pixel values from RGB to HSL color spaces \newinstance. - CImg get_RGBtoHSL() const { - return CImg< Tfloat>(*this,false).RGBtoHSL(); - } - - //! Convert pixel values from HSL to RGB color spaces. - CImg& HSLtoRGB() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "HSLtoRGB(): Instance is not a HSL image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - H = cimg::mod((Tfloat)*p1,(Tfloat)360), - S = (Tfloat)*p2, - L = (Tfloat)*p3, - q = 2*L<1?L*(1 + S):(L + S - L*S), - p = 2*L - q, - h = H/360, - tr = h + 1.0f/3, - tg = h, - tb = h - 1.0f/3, - ntr = tr<0?tr + 1:(tr>1?tr - 1:tr), - ntg = tg<0?tg + 1:(tg>1?tg - 1:tg), - ntb = tb<0?tb + 1:(tb>1?tb - 1:tb), - R = 255*(6*ntr<1?p + (q - p)*6*ntr:(2*ntr<1?q:(3*ntr<2?p + (q - p)*6*(2.0f/3 - ntr):p))), - G = 255*(6*ntg<1?p + (q - p)*6*ntg:(2*ntg<1?q:(3*ntg<2?p + (q - p)*6*(2.0f/3 - ntg):p))), - B = 255*(6*ntb<1?p + (q - p)*6*ntb:(2*ntb<1?q:(3*ntb<2?p + (q - p)*6*(2.0f/3 - ntb):p))); - *(p1++) = (T)(R<0?0:(R>255?255:R)); - *(p2++) = (T)(G<0?0:(G>255?255:G)); - *(p3++) = (T)(B<0?0:(B>255?255:B)); - } - return *this; - } - - //! Convert pixel values from HSL to RGB color spaces \newinstance. - CImg get_HSLtoRGB() const { - return CImg(*this,false).HSLtoRGB(); - } - - //! Convert pixel values from RGB to HSI color spaces. - CImg& RGBtoHSI() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "RGBtoHSI(): Instance is not a RGB image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - R = (Tfloat)*p1, - G = (Tfloat)*p2, - B = (Tfloat)*p3, - nR = (R<0?0:(R>255?255:R))/255, - nG = (G<0?0:(G>255?255:G))/255, - nB = (B<0?0:(B>255?255:B))/255, - m = cimg::min(nR,nG,nB), - theta = (Tfloat)(std::acos(0.5f*((nR - nG) + (nR - nB))/ - std::sqrt(std::pow(nR - nG,2) + (nR - nB)*(nG - nB)))*180/cimg::PI), - sum = nR + nG + nB; - Tfloat H = 0, S = 0, I = 0; - if (theta>0) H = (nB<=nG)?theta:360 - theta; - if (sum>0) S = 1 - 3/sum*m; - I = sum/3; - *(p1++) = (T)H; - *(p2++) = (T)S; - *(p3++) = (T)I; - } - return *this; - } - - //! Convert pixel values from RGB to HSI color spaces \newinstance. - CImg get_RGBtoHSI() const { - return CImg(*this,false).RGBtoHSI(); - } - - //! Convert pixel values from HSI to RGB color spaces. - CImg& HSItoRGB() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "HSItoRGB(): Instance is not a HSI image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - Tfloat - H = cimg::mod((Tfloat)*p1,(Tfloat)360), - S = (Tfloat)*p2, - I = (Tfloat)*p3, - a = I*(1-S), - R = 0, G = 0, B = 0; - if (H<120) { - B = a; - R = (Tfloat)(I*(1 + S*std::cos(H*cimg::PI/180)/std::cos((60 - H)*cimg::PI/180))); - G = 3*I - (R + B); - } else if (H<240) { - H-=120; - R = a; - G = (Tfloat)(I*(1 + S*std::cos(H*cimg::PI/180)/std::cos((60 - H)*cimg::PI/180))); - B = 3*I - (R + G); - } else { - H-=240; - G = a; - B = (Tfloat)(I*(1 + S*std::cos(H*cimg::PI/180)/std::cos((60 - H)*cimg::PI/180))); - R = 3*I - (G + B); - } - R*=255; G*=255; B*=255; - *(p1++) = (T)(R<0?0:(R>255?255:R)); - *(p2++) = (T)(G<0?0:(G>255?255:G)); - *(p3++) = (T)(B<0?0:(B>255?255:B)); - } - return *this; - } - - //! Convert pixel values from HSI to RGB color spaces \newinstance. - CImg get_HSItoRGB() const { - return CImg< Tuchar>(*this,false).HSItoRGB(); - } - - //! Convert pixel values from RGB to YCbCr color spaces. - CImg& RGBtoYCbCr() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "RGBtoYCbCr(): Instance is not a RGB image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - R = (Tfloat)*p1, - G = (Tfloat)*p2, - B = (Tfloat)*p3, - Y = (66*R + 129*G + 25*B + 128)/256 + 16, - Cb = (-38*R - 74*G + 112*B + 128)/256 + 128, - Cr = (112*R - 94*G - 18*B + 128)/256 + 128; - *(p1++) = (T)(Y<0?0:(Y>255?255:Y)); - *(p2++) = (T)(Cb<0?0:(Cb>255?255:Cb)); - *(p3++) = (T)(Cr<0?0:(Cr>255?255:Cr)); - } - return *this; - } - - //! Convert pixel values from RGB to YCbCr color spaces \newinstance. - CImg get_RGBtoYCbCr() const { - return CImg(*this,false).RGBtoYCbCr(); - } - - //! Convert pixel values from RGB to YCbCr color spaces. - CImg& YCbCrtoRGB() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "YCbCrtoRGB(): Instance is not a YCbCr image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - Y = (Tfloat)*p1 - 16, - Cb = (Tfloat)*p2 - 128, - Cr = (Tfloat)*p3 - 128, - R = (298*Y + 409*Cr + 128)/256, - G = (298*Y - 100*Cb - 208*Cr + 128)/256, - B = (298*Y + 516*Cb + 128)/256; - *(p1++) = (T)(R<0?0:(R>255?255:R)); - *(p2++) = (T)(G<0?0:(G>255?255:G)); - *(p3++) = (T)(B<0?0:(B>255?255:B)); - } - return *this; - } - - //! Convert pixel values from RGB to YCbCr color spaces \newinstance. - CImg get_YCbCrtoRGB() const { - return CImg(*this,false).YCbCrtoRGB(); - } - - //! Convert pixel values from RGB to YUV color spaces. - CImg& RGBtoYUV() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "RGBtoYUV(): Instance is not a RGB image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - R = (Tfloat)*p1/255, - G = (Tfloat)*p2/255, - B = (Tfloat)*p3/255, - Y = 0.299f*R + 0.587f*G + 0.114f*B; - *(p1++) = (T)Y; - *(p2++) = (T)(0.492f*(B-Y)); - *(p3++) = (T)(0.877*(R-Y)); - } - return *this; - } - - //! Convert pixel values from RGB to YUV color spaces \newinstance. - CImg get_RGBtoYUV() const { - return CImg(*this,false).RGBtoYUV(); - } - - //! Convert pixel values from YUV to RGB color spaces. - CImg& YUVtoRGB() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "YUVtoRGB(): Instance is not a YUV image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - Y = (Tfloat)*p1, - U = (Tfloat)*p2, - V = (Tfloat)*p3, - R = (Y + 1.140f*V)*255, - G = (Y - 0.395f*U - 0.581f*V)*255, - B = (Y + 2.032f*U)*255; - *(p1++) = (T)(R<0?0:(R>255?255:R)); - *(p2++) = (T)(G<0?0:(G>255?255:G)); - *(p3++) = (T)(B<0?0:(B>255?255:B)); - } - return *this; - } - - //! Convert pixel values from YUV to RGB color spaces \newinstance. - CImg get_YUVtoRGB() const { - return CImg< Tuchar>(*this,false).YUVtoRGB(); - } - - //! Convert pixel values from RGB to CMY color spaces. - CImg& RGBtoCMY() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "RGBtoCMY(): Instance is not a RGB image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - R = (Tfloat)*p1, - G = (Tfloat)*p2, - B = (Tfloat)*p3, - C = 255 - R, - M = 255 - G, - Y = 255 - B; - *(p1++) = (T)(C<0?0:(C>255?255:C)); - *(p2++) = (T)(M<0?0:(M>255?255:M)); - *(p3++) = (T)(Y<0?0:(Y>255?255:Y)); - } - return *this; - } - - //! Convert pixel values from RGB to CMY color spaces \newinstance. - CImg get_RGBtoCMY() const { - return CImg(*this,false).RGBtoCMY(); - } - - //! Convert pixel values from CMY to RGB color spaces. - CImg& CMYtoRGB() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "CMYtoRGB(): Instance is not a CMY image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - C = (Tfloat)*p1, - M = (Tfloat)*p2, - Y = (Tfloat)*p3, - R = 255 - C, - G = 255 - M, - B = 255 - Y; - *(p1++) = (T)(R<0?0:(R>255?255:R)); - *(p2++) = (T)(G<0?0:(G>255?255:G)); - *(p3++) = (T)(B<0?0:(B>255?255:B)); - } - return *this; - } - - //! Convert pixel values from CMY to RGB color spaces \newinstance. - CImg get_CMYtoRGB() const { - return CImg(*this,false).CMYtoRGB(); - } - - //! Convert pixel values from CMY to CMYK color spaces. - CImg& CMYtoCMYK() { - return get_CMYtoCMYK().move_to(*this); - } - - //! Convert pixel values from CMY to CMYK color spaces \newinstance. - CImg get_CMYtoCMYK() const { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "CMYtoCMYK(): Instance is not a CMY image.", - cimg_instance); - - CImg res(_width,_height,_depth,4); - const T *ps1 = data(0,0,0,0), *ps2 = data(0,0,0,1), *ps3 = data(0,0,0,2); - Tfloat *pd1 = res.data(0,0,0,0), *pd2 = res.data(0,0,0,1), *pd3 = res.data(0,0,0,2), *pd4 = res.data(0,0,0,3); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - Tfloat - C = (Tfloat)*(ps1++), - M = (Tfloat)*(ps2++), - Y = (Tfloat)*(ps3++), - K = cimg::min(C,M,Y); - if (K>=255) C = M = Y = 0; - else { const Tfloat K1 = 255 - K; C = 255*(C - K)/K1; M = 255*(M - K)/K1; Y = 255*(Y - K)/K1; } - *(pd1++) = (Tfloat)(C<0?0:(C>255?255:C)); - *(pd2++) = (Tfloat)(M<0?0:(M>255?255:M)); - *(pd3++) = (Tfloat)(Y<0?0:(Y>255?255:Y)); - *(pd4++) = (Tfloat)(K<0?0:(K>255?255:K)); - } - return res; - } - - //! Convert pixel values from CMYK to CMY color spaces. - CImg& CMYKtoCMY() { - return get_CMYKtoCMY().move_to(*this); - } - - //! Convert pixel values from CMYK to CMY color spaces \newinstance. - CImg get_CMYKtoCMY() const { - if (_spectrum!=4) - throw CImgInstanceException(_cimg_instance - "CMYKtoCMY(): Instance is not a CMYK image.", - cimg_instance); - - CImg res(_width,_height,_depth,3); - const T *ps1 = data(0,0,0,0), *ps2 = data(0,0,0,1), *ps3 = data(0,0,0,2), *ps4 = data(0,0,0,3); - Tfloat *pd1 = res.data(0,0,0,0), *pd2 = res.data(0,0,0,1), *pd3 = res.data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - C = (Tfloat)*(ps1++), - M = (Tfloat)*(ps2++), - Y = (Tfloat)*(ps3++), - K = (Tfloat)*(ps4++), - K1 = 1 - K/255, - nC = C*K1 + K, - nM = M*K1 + K, - nY = Y*K1 + K; - *(pd1++) = (Tfloat)(nC<0?0:(nC>255?255:nC)); - *(pd2++) = (Tfloat)(nM<0?0:(nM>255?255:nM)); - *(pd3++) = (Tfloat)(nY<0?0:(nY>255?255:nY)); - } - return res; - } - - //! Convert pixel values from RGB to XYZ_709 color spaces. - /** - \note Uses the standard D65 white point. - **/ - CImg& RGBtoXYZ() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "RGBtoXYZ(): Instance is not a RGB image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - R = (Tfloat)*p1/255, - G = (Tfloat)*p2/255, - B = (Tfloat)*p3/255; - *(p1++) = (T)(0.412453f*R + 0.357580f*G + 0.180423f*B); - *(p2++) = (T)(0.212671f*R + 0.715160f*G + 0.072169f*B); - *(p3++) = (T)(0.019334f*R + 0.119193f*G + 0.950227f*B); - } - return *this; - } - - //! Convert pixel values from RGB to XYZ_709 color spaces \newinstance. - CImg get_RGBtoXYZ() const { - return CImg(*this,false).RGBtoXYZ(); - } - - //! Convert pixel values from XYZ_709 to RGB color spaces. - CImg& XYZtoRGB() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "XYZtoRGB(): Instance is not a XYZ image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - X = (Tfloat)*p1*255, - Y = (Tfloat)*p2*255, - Z = (Tfloat)*p3*255, - R = 3.240479f*X - 1.537150f*Y - 0.498535f*Z, - G = -0.969256f*X + 1.875992f*Y + 0.041556f*Z, - B = 0.055648f*X - 0.204043f*Y + 1.057311f*Z; - *(p1++) = (T)(R<0?0:(R>255?255:R)); - *(p2++) = (T)(G<0?0:(G>255?255:G)); - *(p3++) = (T)(B<0?0:(B>255?255:B)); - } - return *this; - } - - //! Convert pixel values from XYZ_709 to RGB color spaces \newinstance. - CImg get_XYZtoRGB() const { - return CImg(*this,false).XYZtoRGB(); - } - - //! Convert pixel values from XYZ_709 to Lab color spaces. - CImg& XYZtoLab() { -#define _cimg_Labf(x) ((x)>=0.008856f?(std::pow(x,(Tfloat)1/3)):(7.787f*(x) + 16.0f/116)) - - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "XYZtoLab(): Instance is not a XYZ image.", - cimg_instance); - - const Tfloat - Xn = (Tfloat)(0.412453f + 0.357580f + 0.180423f), - Yn = (Tfloat)(0.212671f + 0.715160f + 0.072169f), - Zn = (Tfloat)(0.019334f + 0.119193f + 0.950227f); - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - X = (Tfloat)*p1, - Y = (Tfloat)*p2, - Z = (Tfloat)*p3, - XXn = X/Xn, YYn = Y/Yn, ZZn = Z/Zn, - fX = (Tfloat)_cimg_Labf(XXn), - fY = (Tfloat)_cimg_Labf(YYn), - fZ = (Tfloat)_cimg_Labf(ZZn); - *(p1++) = (T)cimg::max(0.0f,116*fY - 16); - *(p2++) = (T)(500*(fX - fY)); - *(p3++) = (T)(200*(fY - fZ)); - } - return *this; - } - - //! Convert pixel values from XYZ_709 to Lab color spaces \newinstance. - CImg get_XYZtoLab() const { - return CImg(*this,false).XYZtoLab(); - } - - //! Convert pixel values from Lab to XYZ_709 color spaces. - CImg& LabtoXYZ() { -#define _cimg_Labfi(x) ((x)>=0.206893f?((x)*(x)*(x)):(((x)-16.0f/116)/7.787f)) - - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "LabtoXYZ(): Instance is not a Lab image.", - cimg_instance); - - const Tfloat - Xn = (Tfloat)(0.412453f + 0.357580f + 0.180423f), - Yn = (Tfloat)(0.212671f + 0.715160f + 0.072169f), - Zn = (Tfloat)(0.019334f + 0.119193f + 0.950227f); - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - L = (Tfloat)*p1, - a = (Tfloat)*p2, - b = (Tfloat)*p3, - cY = (L + 16)/116, - Y = (Tfloat)(Yn*_cimg_Labfi(cY)), - cX = a/500 + cY, - X = (Tfloat)(Xn*_cimg_Labfi(cX)), - cZ = cY - b/200, - Z = (Tfloat)(Zn*_cimg_Labfi(cZ)); - *(p1++) = (T)(X); - *(p2++) = (T)(Y); - *(p3++) = (T)(Z); - } - return *this; - } - - //! Convert pixel values from Lab to XYZ_709 color spaces \newinstance. - CImg get_LabtoXYZ() const { - return CImg(*this,false).LabtoXYZ(); - } - - //! Convert pixel values from XYZ_709 to xyY color spaces. - CImg& XYZtoxyY() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "XYZtoxyY(): Instance is not a XYZ image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - X = (Tfloat)*p1, - Y = (Tfloat)*p2, - Z = (Tfloat)*p3, - sum = X + Y + Z, - nsum = sum>0?sum:1; - *(p1++) = (T)(X/nsum); - *(p2++) = (T)(Y/nsum); - *(p3++) = (T)Y; - } - return *this; - } - - //! Convert pixel values from XYZ_709 to xyY color spaces \newinstance. - CImg get_XYZtoxyY() const { - return CImg(*this,false).XYZtoxyY(); - } - - //! Convert pixel values from xyY pixels to XYZ_709 color spaces. - CImg& xyYtoXYZ() { - if (_spectrum!=3) - throw CImgInstanceException(_cimg_instance - "xyYtoXYZ(): Instance is not a xyY image.", - cimg_instance); - - T *p1 = data(0,0,0,0), *p2 = data(0,0,0,1), *p3 = data(0,0,0,2); - for (unsigned long N = (unsigned long)_width*_height*_depth; N; --N) { - const Tfloat - px = (Tfloat)*p1, - py = (Tfloat)*p2, - Y = (Tfloat)*p3, - ny = py>0?py:1; - *(p1++) = (T)(px*Y/ny); - *(p2++) = (T)Y; - *(p3++) = (T)((1 - px - py)*Y/ny); - } - return *this; - } - - //! Convert pixel values from xyY pixels to XYZ_709 color spaces \newinstance. - CImg get_xyYtoXYZ() const { - return CImg(*this,false).xyYtoXYZ(); - } - - //! Convert pixel values from RGB to Lab color spaces. - CImg& RGBtoLab() { - return RGBtoXYZ().XYZtoLab(); - } - - //! Convert pixel values from RGB to Lab color spaces \newinstance. - CImg get_RGBtoLab() const { - return CImg(*this,false).RGBtoLab(); - } - - //! Convert pixel values from Lab to RGB color spaces. - CImg& LabtoRGB() { - return LabtoXYZ().XYZtoRGB(); - } - - //! Convert pixel values from Lab to RGB color spaces \newinstance. - CImg get_LabtoRGB() const { - return CImg(*this,false).LabtoRGB(); - } - - //! Convert pixel values from RGB to xyY color spaces. - CImg& RGBtoxyY() { - return RGBtoXYZ().XYZtoxyY(); - } - - //! Convert pixel values from RGB to xyY color spaces \newinstance. - CImg get_RGBtoxyY() const { - return CImg(*this,false).RGBtoxyY(); - } - - //! Convert pixel values from xyY to RGB color spaces. - CImg& xyYtoRGB() { - return xyYtoXYZ().XYZtoRGB(); - } - - //! Convert pixel values from xyY to RGB color spaces \newinstance. - CImg get_xyYtoRGB() const { - return CImg(*this,false).xyYtoRGB(); - } - - //! Convert pixel values from RGB to CMYK color spaces. - CImg& RGBtoCMYK() { - return RGBtoCMY().CMYtoCMYK(); - } - - //! Convert pixel values from RGB to CMYK color spaces \newinstance. - CImg get_RGBtoCMYK() const { - return CImg(*this,false).RGBtoCMYK(); - } - - //! Convert pixel values from CMYK to RGB color spaces. - CImg& CMYKtoRGB() { - return CMYKtoCMY().CMYtoRGB(); - } - - //! Convert pixel values from CMYK to RGB color spaces \newinstance. - CImg get_CMYKtoRGB() const { - return CImg(*this,false).CMYKtoRGB(); - } - - //@} - //------------------------------------------ - // - //! \name Geometric / Spatial Manipulation - //@{ - //------------------------------------------ - - static float _cimg_lanczos(const float x) { - if (x<=-2 || x>=2) return 0; - const float a = (float)cimg::PI*x, b = 0.5f*a; - return (float)(x?std::sin(a)*std::sin(b)/(a*b):1); - } - - //! Resize image to new dimensions. - /** - \param size_x Number of columns (new size along the X-axis). - \param size_y Number of rows (new size along the Y-axis). - \param size_z Number of slices (new size along the Z-axis). - \param size_c Number of vector-channels (new size along the C-axis). - \param interpolation_type Method of interpolation: - - -1 = no interpolation: raw memory resizing. - - 0 = no interpolation: additional space is filled according to \p boundary_conditions. - - 1 = nearest-neighbor interpolation. - - 2 = moving average interpolation. - - 3 = linear interpolation. - - 4 = grid interpolation. - - 5 = cubic interpolation. - - 6 = lanczos interpolation. - \param boundary_conditions Border condition type. - \param centering_x Set centering type (only if \p interpolation_type=0). - \param centering_y Set centering type (only if \p interpolation_type=0). - \param centering_z Set centering type (only if \p interpolation_type=0). - \param centering_c Set centering type (only if \p interpolation_type=0). - \note If pd[x,y,z,v]<0, it corresponds to a percentage of the original size (the default value is -100). - **/ - CImg& resize(const int size_x, const int size_y=-100, - const int size_z=-100, const int size_c=-100, - const int interpolation_type=1, const unsigned int boundary_conditions=0, - const float centering_x = 0, const float centering_y = 0, - const float centering_z = 0, const float centering_c = 0) { - if (!size_x || !size_y || !size_z || !size_c) return assign(); - const unsigned int - _sx = (unsigned int)(size_x<0?-size_x*width()/100:size_x), - _sy = (unsigned int)(size_y<0?-size_y*height()/100:size_y), - _sz = (unsigned int)(size_z<0?-size_z*depth()/100:size_z), - _sc = (unsigned int)(size_c<0?-size_c*spectrum()/100:size_c), - sx = _sx?_sx:1, sy = _sy?_sy:1, sz = _sz?_sz:1, sc = _sc?_sc:1; - if (sx==_width && sy==_height && sz==_depth && sc==_spectrum) return *this; - if (is_empty()) return assign(sx,sy,sz,sc,(T)0); - if (interpolation_type==-1 && sx*sy*sz*sc==size()) { - _width = sx; _height = sy; _depth = sz; _spectrum = sc; - return *this; - } - return get_resize(sx,sy,sz,sc,interpolation_type,boundary_conditions, - centering_x,centering_y,centering_z,centering_c).move_to(*this); - } - - //! Resize image to new dimensions \newinstance. - CImg get_resize(const int size_x, const int size_y = -100, - const int size_z = -100, const int size_c = -100, - const int interpolation_type=1, const unsigned int boundary_conditions=0, - const float centering_x = 0, const float centering_y = 0, - const float centering_z = 0, const float centering_c = 0) const { - if (centering_x<0 || centering_x>1 || centering_y<0 || centering_y>1 || - centering_z<0 || centering_z>1 || centering_c<0 || centering_c>1) - throw CImgArgumentException(_cimg_instance - "resize(): Specified centering arguments (%g,%g,%g,%g) are outside range [0,1].", - cimg_instance, - centering_x,centering_y,centering_z,centering_c); - - if (!size_x || !size_y || !size_z || !size_c) return CImg(); - const unsigned int - _sx = (unsigned int)(size_x<0?-size_x*width()/100:size_x), - _sy = (unsigned int)(size_y<0?-size_y*height()/100:size_y), - _sz = (unsigned int)(size_z<0?-size_z*depth()/100:size_z), - _sc = (unsigned int)(size_c<0?-size_c*spectrum()/100:size_c), - sx = _sx?_sx:1, sy = _sy?_sy:1, sz = _sz?_sz:1, sc = _sc?_sc:1; - if (sx==_width && sy==_height && sz==_depth && sc==_spectrum) return +*this; - if (is_empty()) return CImg(sx,sy,sz,sc,0); - CImg res; - switch (interpolation_type) { - - // Raw resizing. - // - case -1 : - std::memcpy(res.assign(sx,sy,sz,sc,0)._data,_data,sizeof(T)*cimg::min(size(),sx*sy*sz*sc)); - break; - - // No interpolation. - // - case 0 : { - const int - xc = (int)(centering_x*((int)sx - width())), - yc = (int)(centering_y*((int)sy - height())), - zc = (int)(centering_z*((int)sz - depth())), - cc = (int)(centering_c*((int)sc - spectrum())); - - switch (boundary_conditions) { - case 2 : { // Periodic boundary. - res.assign(sx,sy,sz,sc); - const int - x0 = ((int)xc%width()) - width(), - y0 = ((int)yc%height()) - height(), - z0 = ((int)zc%depth()) - depth(), - c0 = ((int)cc%spectrum()) - spectrum(); -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=65536) -#endif - for (int c = c0; c<(int)sc; c+=spectrum()) - for (int z = z0; z<(int)sz; z+=depth()) - for (int y = y0; y<(int)sy; y+=height()) - for (int x = x0; x<(int)sx; x+=width()) - res.draw_image(x,y,z,c,*this); - } break; - case 1 : { // Neumann boundary. - res.assign(sx,sy,sz,sc).draw_image(xc,yc,zc,cc,*this); - CImg sprite; - if (xc>0) { // X-backward - res.get_crop(xc,yc,zc,cc,xc,yc + height() - 1,zc + depth() - 1,cc + spectrum() - 1).move_to(sprite); - for (int x = xc - 1; x>=0; --x) res.draw_image(x,yc,zc,cc,sprite); - } - if (xc + width()<(int)sx) { // X-forward - res.get_crop(xc + width() - 1,yc,zc,cc,xc + width() - 1,yc + height() - 1, - zc + depth() - 1,cc + spectrum() - 1).move_to(sprite); - for (int x = xc + width(); x<(int)sx; ++x) res.draw_image(x,yc,zc,cc,sprite); - } - if (yc>0) { // Y-backward - res.get_crop(0,yc,zc,cc,sx - 1,yc,zc + depth() - 1,cc + spectrum() - 1).move_to(sprite); - for (int y = yc - 1; y>=0; --y) res.draw_image(0,y,zc,cc,sprite); - } - if (yc + height()<(int)sy) { // Y-forward - res.get_crop(0,yc + height() - 1,zc,cc,sx - 1,yc + height() - 1, - zc + depth() - 1,cc + spectrum() - 1).move_to(sprite); - for (int y = yc + height(); y<(int)sy; ++y) res.draw_image(0,y,zc,cc,sprite); - } - if (zc>0) { // Z-backward - res.get_crop(0,0,zc,cc,sx - 1,sy - 1,zc,cc + spectrum() - 1).move_to(sprite); - for (int z = zc - 1; z>=0; --z) res.draw_image(0,0,z,cc,sprite); - } - if (zc + depth()<(int)sz) { // Z-forward - res.get_crop(0,0,zc +depth() - 1,cc,sx - 1,sy - 1,zc + depth() - 1,cc + spectrum() - 1).move_to(sprite); - for (int z = zc + depth(); z<(int)sz; ++z) res.draw_image(0,0,z,cc,sprite); - } - if (cc>0) { // C-backward - res.get_crop(0,0,0,cc,sx - 1,sy - 1,sz - 1,cc).move_to(sprite); - for (int c = cc - 1; c>=0; --c) res.draw_image(0,0,0,c,sprite); - } - if (cc + spectrum()<(int)sc) { // C-forward - res.get_crop(0,0,0,cc + spectrum() - 1,sx - 1,sy - 1,sz - 1,cc + spectrum() - 1).move_to(sprite); - for (int c = cc + spectrum(); c<(int)sc; ++c) res.draw_image(0,0,0,c,sprite); - } - } break; - default : // Dirichlet boundary. - res.assign(sx,sy,sz,sc,0).draw_image(xc,yc,zc,cc,*this); - } - break; - } break; - - // Nearest neighbor interpolation. - // - case 1 : { - res.assign(sx,sy,sz,sc); - CImg off_x(sx), off_y(sy + 1), off_z(sz + 1), off_c(sc + 1); - const unsigned long - wh = (unsigned long)_width*_height, - whd = (unsigned long)_width*_height*_depth, - sxy = (unsigned long)sx*sy, - sxyz = (unsigned long)sx*sy*sz; - if (sx==_width) off_x.fill(1); - else { - unsigned long *poff_x = off_x._data, curr = 0; - cimg_forX(res,x) { - const unsigned long old = curr; - curr = (unsigned long)((x + 1.0)*_width/sx); - *(poff_x++) = curr - old; - } - } - if (sy==_height) off_y.fill(_width); - else { - unsigned long *poff_y = off_y._data, curr = 0; - cimg_forY(res,y) { - const unsigned long old = curr; - curr = (unsigned long)((y + 1.0)*_height/sy); - *(poff_y++) = _width*(curr - old); - } - *poff_y = 0; - } - if (sz==_depth) off_z.fill(wh); - else { - unsigned long *poff_z = off_z._data, curr = 0; - cimg_forZ(res,z) { - const unsigned long old = curr; - curr = (unsigned long)((z + 1.0)*_depth/sz); - *(poff_z++) = wh*(curr - old); - } - *poff_z = 0; - } - if (sc==_spectrum) off_c.fill(whd); - else { - unsigned long *poff_c = off_c._data, curr = 0; - cimg_forC(res,c) { - const unsigned long old = curr; - curr = (unsigned long)((c + 1.0)*_spectrum/sc); - *(poff_c++) = whd*(curr - old); - } - *poff_c = 0; - } - - T *ptrd = res._data; - const T* ptrc = _data; - const unsigned long *poff_c = off_c._data; - for (unsigned int c = 0; c tmp(sx,_height,_depth,_spectrum,0); - for (unsigned int a = _width*sx, b = _width, c = sx, s = 0, t = 0; a; ) { - const unsigned int d = cimg::min(b,c); - a-=d; b-=d; c-=d; - cimg_forYZC(tmp,y,z,v) tmp(t,y,z,v)+=(Tfloat)(*this)(s,y,z,v)*d; - if (!b) { - cimg_forYZC(tmp,y,z,v) tmp(t,y,z,v)/=_width; - ++t; - b = _width; - } - if (!c) { ++s; c = sx; } - } - tmp.move_to(res); - instance_first = false; - } - if (sy!=_height) { - CImg tmp(sx,sy,_depth,_spectrum,0); - for (unsigned int a = _height*sy, b = _height, c = sy, s = 0, t = 0; a; ) { - const unsigned int d = cimg::min(b,c); - a-=d; b-=d; c-=d; - if (instance_first) - cimg_forXZC(tmp,x,z,v) tmp(x,t,z,v)+=(Tfloat)(*this)(x,s,z,v)*d; - else - cimg_forXZC(tmp,x,z,v) tmp(x,t,z,v)+=(Tfloat)res(x,s,z,v)*d; - if (!b) { - cimg_forXZC(tmp,x,z,v) tmp(x,t,z,v)/=_height; - ++t; - b = _height; - } - if (!c) { ++s; c = sy; } - } - tmp.move_to(res); - instance_first = false; - } - if (sz!=_depth) { - CImg tmp(sx,sy,sz,_spectrum,0); - for (unsigned int a = _depth*sz, b = _depth, c = sz, s = 0, t = 0; a; ) { - const unsigned int d = cimg::min(b,c); - a-=d; b-=d; c-=d; - if (instance_first) - cimg_forXYC(tmp,x,y,v) tmp(x,y,t,v)+=(Tfloat)(*this)(x,y,s,v)*d; - else - cimg_forXYC(tmp,x,y,v) tmp(x,y,t,v)+=(Tfloat)res(x,y,s,v)*d; - if (!b) { - cimg_forXYC(tmp,x,y,v) tmp(x,y,t,v)/=_depth; - ++t; - b = _depth; - } - if (!c) { ++s; c = sz; } - } - tmp.move_to(res); - instance_first = false; - } - if (sc!=_spectrum) { - CImg tmp(sx,sy,sz,sc,0); - for (unsigned int a = _spectrum*sc, b = _spectrum, c = sc, s = 0, t = 0; a; ) { - const unsigned int d = cimg::min(b,c); - a-=d; b-=d; c-=d; - if (instance_first) - cimg_forXYZ(tmp,x,y,z) tmp(x,y,z,t)+=(Tfloat)(*this)(x,y,z,s)*d; - else - cimg_forXYZ(tmp,x,y,z) tmp(x,y,z,t)+=(Tfloat)res(x,y,z,s)*d; - if (!b) { - cimg_forXYZ(tmp,x,y,z) tmp(x,y,z,t)/=_spectrum; - ++t; - b = _spectrum; - } - if (!c) { ++s; c = sc; } - } - tmp.move_to(res); - instance_first = false; - } - } break; - - // Linear interpolation. - // - case 3 : { - CImg off(cimg::max(sx,sy,sz,sc)); - CImg foff(off._width); - CImg resx, resy, resz, resc; - - if (sx!=_width) { - if (_width==1) get_resize(sx,_height,_depth,_spectrum,1).move_to(resx); - else { - if (_width>sx) get_resize(sx,_height,_depth,_spectrum,2).move_to(resx); - else { - const float fx = (!boundary_conditions && sx>_width)?(sx>1?(_width - 1.0f)/(sx - 1):0):(float)_width/sx; - resx.assign(sx,_height,_depth,_spectrum); - float curr = 0, old = 0; - unsigned int *poff = off._data; - float *pfoff = foff._data; - cimg_forX(resx,x) { - *(pfoff++) = curr - (unsigned int)curr; - old = curr; - curr+=fx; - *(poff++) = (unsigned int)curr - (unsigned int)old; - } -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (resx.size()>=65536) -#endif - cimg_forYZC(resx,y,z,c) { - const T *ptrs = data(0,y,z,c), *const ptrsmax = ptrs + _width - 1; - T *ptrd = resx.data(0,y,z,c); - const unsigned int *poff = off._data; - const float *pfoff = foff._data; - cimg_forX(resx,x) { - const float alpha = *(pfoff++); - const T val1 = *ptrs, val2 = ptrssy) resx.get_resize(sx,sy,_depth,_spectrum,2).move_to(resy); - else { - const float fy = (!boundary_conditions && sy>_height)?(sy>1?(_height - 1.0f)/(sy - 1):0): - (float)_height/sy; - resy.assign(sx,sy,_depth,_spectrum); - float curr = 0, old = 0; - unsigned int *poff = off._data; - float *pfoff = foff._data; - cimg_forY(resy,y) { - *(pfoff++) = curr - (unsigned int)curr; - old = curr; - curr+=fy; - *(poff++) = sx*((unsigned int)curr-(unsigned int)old); - } -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (resy.size()>=65536) -#endif - cimg_forXZC(resy,x,z,c) { - const T *ptrs = resx.data(x,0,z,c), *const ptrsmax = ptrs + (_height - 1)*sx; - T *ptrd = resy.data(x,0,z,c); - const unsigned int *poff = off._data; - const float *pfoff = foff._data; - cimg_forY(resy,y) { - const float alpha = *(pfoff++); - const T val1 = *ptrs, val2 = ptrssz) resy.get_resize(sx,sy,sz,_spectrum,2).move_to(resz); - else { - const float fz = (!boundary_conditions && sz>_depth)?(sz>1?(_depth - 1.0f)/(sz - 1):0):(float)_depth/sz; - const unsigned int sxy = sx*sy; - resz.assign(sx,sy,sz,_spectrum); - float curr = 0, old = 0; - unsigned int *poff = off._data; - float *pfoff = foff._data; - cimg_forZ(resz,z) { - *(pfoff++) = curr - (unsigned int)curr; - old = curr; - curr+=fz; - *(poff++) = sxy*((unsigned int)curr - (unsigned int)old); - } -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (resz.size()>=65536) -#endif - cimg_forXYC(resz,x,y,c) { - const T *ptrs = resy.data(x,y,0,c), *const ptrsmax = ptrs + (_depth - 1)*sxy; - T *ptrd = resz.data(x,y,0,c); - const unsigned int *poff = off._data; - const float *pfoff = foff._data; - cimg_forZ(resz,z) { - const float alpha = *(pfoff++); - const T val1 = *ptrs, val2 = ptrssc) resz.get_resize(sx,sy,sz,sc,2).move_to(resc); - else { - const float fc = (!boundary_conditions && sc>_spectrum)?(sc>1?(_spectrum - 1.0f)/(sc - 1):0): - (float)_spectrum/sc; - const unsigned int sxyz = sx*sy*sz; - resc.assign(sx,sy,sz,sc); - float curr = 0, old = 0; - unsigned int *poff = off._data; - float *pfoff = foff._data; - cimg_forC(resc,c) { - *(pfoff++) = curr - (unsigned int)curr; - old = curr; - curr+=fc; - *(poff++) = sxyz*((unsigned int)curr - (unsigned int)old); - } -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (resc.size()>=65536) -#endif - cimg_forXYZ(resc,x,y,z) { - const T *ptrs = resz.data(x,y,z,0), *const ptrsmax = ptrs + (_spectrum - 1)*sxyz; - T *ptrd = resc.data(x,y,z,0); - const unsigned int *poff = off._data; - const float *pfoff = foff._data; - cimg_forC(resc,c) { - const float alpha = *(pfoff++); - const T val1 = *ptrs, val2 = ptrs resx, resy, resz, resc; - if (sx!=_width) { - if (sx<_width) get_resize(sx,_height,_depth,_spectrum,1).move_to(resx); - else { - resx.assign(sx,_height,_depth,_spectrum,0); - const int dx = (int)(2*sx), dy = 2*width(); - int err = (int)(dy + centering_x*(sx*dy/width() - dy)), xs = 0; - cimg_forX(resx,x) if ((err-=dy)<=0) { - cimg_forYZC(resx,y,z,c) resx(x,y,z,c) = (*this)(xs,y,z,c); - ++xs; - err+=dx; - } - } - } else resx.assign(*this,true); - - if (sy!=_height) { - if (sy<_height) resx.get_resize(sx,sy,_depth,_spectrum,1).move_to(resy); - else { - resy.assign(sx,sy,_depth,_spectrum,0); - const int dx = (int)(2*sy), dy = 2*height(); - int err = (int)(dy + centering_y*(sy*dy/height() - dy)), ys = 0; - cimg_forY(resy,y) if ((err-=dy)<=0) { - cimg_forXZC(resy,x,z,c) resy(x,y,z,c) = resx(x,ys,z,c); - ++ys; - err+=dx; - } - } - resx.assign(); - } else resy.assign(resx,true); - - if (sz!=_depth) { - if (sz<_depth) resy.get_resize(sx,sy,sz,_spectrum,1).move_to(resz); - else { - resz.assign(sx,sy,sz,_spectrum,0); - const int dx = (int)(2*sz), dy = 2*depth(); - int err = (int)(dy + centering_z*(sz*dy/depth() - dy)), zs = 0; - cimg_forZ(resz,z) if ((err-=dy)<=0) { - cimg_forXYC(resz,x,y,c) resz(x,y,z,c) = resy(x,y,zs,c); - ++zs; - err+=dx; - } - } - resy.assign(); - } else resz.assign(resy,true); - - if (sc!=_spectrum) { - if (sc<_spectrum) resz.get_resize(sx,sy,sz,sc,1).move_to(resc); - else { - resc.assign(sx,sy,sz,sc,0); - const int dx = (int)(2*sc), dy = 2*spectrum(); - int err = (int)(dy + centering_c*(sc*dy/spectrum() - dy)), cs = 0; - cimg_forC(resc,c) if ((err-=dy)<=0) { - cimg_forXYZ(resc,x,y,z) resc(x,y,z,c) = resz(x,y,z,cs); - ++cs; - err+=dx; - } - } - resz.assign(); - } else resc.assign(resz,true); - - return resc._is_shared?(resz._is_shared?(resy._is_shared?(resx._is_shared?(+(*this)):resx):resy):resz):resc; - } break; - - // Cubic interpolation. - // - case 5 : { - const Tfloat vmin = (Tfloat)cimg::type::min(), vmax = (Tfloat)cimg::type::max(); - CImg off(cimg::max(sx,sy,sz,sc)); - CImg foff(off._width); - CImg resx, resy, resz, resc; - - if (sx!=_width) { - if (_width==1) get_resize(sx,_height,_depth,_spectrum,1).move_to(resx); - else { - if (_width>sx) get_resize(sx,_height,_depth,_spectrum,2).move_to(resx); - else { - const float fx = (!boundary_conditions && sx>_width)?(sx>1?(_width - 1.0f)/(sx - 1):0):(float)_width/sx; - resx.assign(sx,_height,_depth,_spectrum); - float curr = 0, old = 0; - unsigned int *poff = off._data; - float *pfoff = foff._data; - cimg_forX(resx,x) { - *(pfoff++) = curr - (unsigned int)curr; - old = curr; - curr+=fx; - *(poff++) = (unsigned int)curr - (unsigned int)old; - } -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (resx.size()>=65536) -#endif - cimg_forYZC(resx,y,z,c) { - const T *const ptrs0 = data(0,y,z,c), *ptrs = ptrs0, *const ptrsmax = ptrs + (_width - 2); - T *ptrd = resx.data(0,y,z,c); - const unsigned int *poff = off._data; - const float *pfoff = foff._data; - cimg_forX(resx,x) { - const float t = *(pfoff++); - const Tfloat - val1 = (Tfloat)*ptrs, - val0 = ptrs>ptrs0?(Tfloat)*(ptrs - 1):val1, - val2 = ptrs<=ptrsmax?(Tfloat)*(ptrs + 1):val1, - val3 = ptrsvmax?vmax:val); - ptrs+=*(poff++); - } - } - } - } - } else resx.assign(*this,true); - - if (sy!=_height) { - if (_height==1) resx.get_resize(sx,sy,_depth,_spectrum,1).move_to(resy); - else { - if (_height>sy) resx.get_resize(sx,sy,_depth,_spectrum,2).move_to(resy); - else { - const float fy = (!boundary_conditions && sy>_height)?(sy>1?(_height - 1.0f)/(sy - 1):0): - (float)_height/sy; - resy.assign(sx,sy,_depth,_spectrum); - float curr = 0, old = 0; - unsigned int *poff = off._data; - float *pfoff = foff._data; - cimg_forY(resy,y) { - *(pfoff++) = curr - (unsigned int)curr; - old = curr; - curr+=fy; - *(poff++) = sx*((unsigned int)curr - (unsigned int)old); - } -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (resy.size()>=65536) -#endif - cimg_forXZC(resy,x,z,c) { - const T *const ptrs0 = resx.data(x,0,z,c), *ptrs = ptrs0, *const ptrsmax = ptrs + (_height - 2)*sx; - T *ptrd = resy.data(x,0,z,c); - const unsigned int *poff = off._data; - const float *pfoff = foff._data; - cimg_forY(resy,y) { - const float t = *(pfoff++); - const Tfloat - val1 = (Tfloat)*ptrs, - val0 = ptrs>ptrs0?(Tfloat)*(ptrs - sx):val1, - val2 = ptrs<=ptrsmax?(Tfloat)*(ptrs + sx):val1, - val3 = ptrsvmax?vmax:val); - ptrd+=sx; - ptrs+=*(poff++); - } - } - } - } - resx.assign(); - } else resy.assign(resx,true); - - if (sz!=_depth) { - if (_depth==1) resy.get_resize(sx,sy,sz,_spectrum,1).move_to(resz); - else { - if (_depth>sz) resy.get_resize(sx,sy,sz,_spectrum,2).move_to(resz); - else { - const float fz = (!boundary_conditions && sz>_depth)?(sz>1?(_depth - 1.0f)/(sz - 1):0):(float)_depth/sz; - const unsigned int sxy = sx*sy; - resz.assign(sx,sy,sz,_spectrum); - float curr = 0, old = 0; - unsigned int *poff = off._data; - float *pfoff = foff._data; - cimg_forZ(resz,z) { - *(pfoff++) = curr - (unsigned int)curr; - old = curr; - curr+=fz; - *(poff++) = sxy*((unsigned int)curr - (unsigned int)old); - } -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (resz.size()>=65536) -#endif - cimg_forXYC(resz,x,y,c) { - const T *const ptrs0 = resy.data(x,y,0,c), *ptrs = ptrs0, *const ptrsmax = ptrs + (_depth - 2)*sxy; - T *ptrd = resz.data(x,y,0,c); - const unsigned int *poff = off._data; - const float *pfoff = foff._data; - cimg_forZ(resz,z) { - const float t = *(pfoff++); - const Tfloat - val1 = (Tfloat)*ptrs, - val0 = ptrs>ptrs0?(Tfloat)*(ptrs - sxy):val1, - val2 = ptrs<=ptrsmax?(Tfloat)*(ptrs + sxy):val1, - val3 = ptrsvmax?vmax:val); - ptrd+=sxy; - ptrs+=*(poff++); - } - } - } - } - resy.assign(); - } else resz.assign(resy,true); - - if (sc!=_spectrum) { - if (_spectrum==1) resz.get_resize(sx,sy,sz,sc,1).move_to(resc); - else { - if (_spectrum>sc) resz.get_resize(sx,sy,sz,sc,2).move_to(resc); - else { - const float fc = (!boundary_conditions && sc>_spectrum)?(sc>1?(_spectrum - 1.0f)/(sc - 1):0): - (float)_spectrum/sc; - const unsigned int sxyz = sx*sy*sz; - resc.assign(sx,sy,sz,sc); - float curr = 0, old = 0; - unsigned int *poff = off._data; - float *pfoff = foff._data; - cimg_forC(resc,c) { - *(pfoff++) = curr - (unsigned int)curr; - old = curr; - curr+=fc; - *(poff++) = sxyz*((unsigned int)curr - (unsigned int)old); - } -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (resc.size()>=65536) -#endif - cimg_forXYZ(resc,x,y,z) { - const T *const ptrs0 = resz.data(x,y,z,0), *ptrs = ptrs0, *const ptrsmax = ptrs + (_spectrum - 2)*sxyz; - T *ptrd = resc.data(x,y,z,0); - const unsigned int *poff = off._data; - const float *pfoff = foff._data; - cimg_forC(resc,c) { - const float t = *(pfoff++); - const Tfloat - val1 = (Tfloat)*ptrs, - val0 = ptrs>ptrs0?(Tfloat)*(ptrs - sxyz):val1, - val2 = ptrs<=ptrsmax?(Tfloat)*(ptrs + sxyz):val1, - val3 = ptrsvmax?vmax:val); - ptrd+=sxyz; - ptrs+=*(poff++); - } - } - } - } - resz.assign(); - } else resc.assign(resz,true); - - return resc._is_shared?(resz._is_shared?(resy._is_shared?(resx._is_shared?(+(*this)):resx):resy):resz):resc; - } break; - - // Lanczos interpolation. - // - case 6 : { - const Tfloat vmin = (Tfloat)cimg::type::min(), vmax = (Tfloat)cimg::type::max(); - CImg off(cimg::max(sx,sy,sz,sc)); - CImg foff(off._width); - CImg resx, resy, resz, resc; - - if (sx!=_width) { - if (_width==1) get_resize(sx,_height,_depth,_spectrum,1).move_to(resx); - else { - if (_width>sx) get_resize(sx,_height,_depth,_spectrum,2).move_to(resx); - else { - const float fx = (!boundary_conditions && sx>_width)?(sx>1?(_width - 1.0f)/(sx - 1):0):(float)_width/sx; - resx.assign(sx,_height,_depth,_spectrum); - float curr = 0, old = 0; - unsigned int *poff = off._data; - float *pfoff = foff._data; - cimg_forX(resx,x) { - *(pfoff++) = curr - (unsigned int)curr; - old = curr; - curr+=fx; - *(poff++) = (unsigned int)curr - (unsigned int)old; - } -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (resx.size()>=65536) -#endif - cimg_forYZC(resx,y,z,c) { - const T *const ptrs0 = data(0,y,z,c), *ptrs = ptrs0, *const ptrsmin = ptrs0 + 1, - *const ptrsmax = ptrs0 + (_width - 2); - T *ptrd = resx.data(0,y,z,c); - const unsigned int *poff = off._data; - const float *pfoff = foff._data; - cimg_forX(resx,x) { - const float - t = *(pfoff++), - w0 = _cimg_lanczos(t + 2), - w1 = _cimg_lanczos(t + 1), - w2 = _cimg_lanczos(t), - w3 = _cimg_lanczos(t - 1), - w4 = _cimg_lanczos(t - 2); - const Tfloat - val2 = (Tfloat)*ptrs, - val1 = ptrs>=ptrsmin?(Tfloat)*(ptrs - 1):val2, - val0 = ptrs>ptrsmin?(Tfloat)*(ptrs - 2):val1, - val3 = ptrs<=ptrsmax?(Tfloat)*(ptrs + 1):val2, - val4 = ptrsvmax?vmax:val); - ptrs+=*(poff++); - } - } - } - } - } else resx.assign(*this,true); - - if (sy!=_height) { - if (_height==1) resx.get_resize(sx,sy,_depth,_spectrum,1).move_to(resy); - else { - if (_height>sy) resx.get_resize(sx,sy,_depth,_spectrum,2).move_to(resy); - else { - const float fy = (!boundary_conditions && sy>_height)?(sy>1?(_height - 1.0f)/(sy - 1):0): - (float)_height/sy; - resy.assign(sx,sy,_depth,_spectrum); - float curr = 0, old = 0; - unsigned int *poff = off._data; - float *pfoff = foff._data; - cimg_forY(resy,y) { - *(pfoff++) = curr - (unsigned int)curr; - old = curr; - curr+=fy; - *(poff++) = sx*((unsigned int)curr - (unsigned int)old); - } -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (resy.size()>=65536) -#endif - cimg_forXZC(resy,x,z,c) { - const T *const ptrs0 = resx.data(x,0,z,c), *ptrs = ptrs0, *const ptrsmin = ptrs0 + sx, - *const ptrsmax = ptrs0 + (_height - 2)*sx; - T *ptrd = resy.data(x,0,z,c); - const unsigned int *poff = off._data; - const float *pfoff = foff._data; - cimg_forY(resy,y) { - const float - t = *(pfoff++), - w0 = _cimg_lanczos(t + 2), - w1 = _cimg_lanczos(t + 1), - w2 = _cimg_lanczos(t), - w3 = _cimg_lanczos(t - 1), - w4 = _cimg_lanczos(t - 2); - const Tfloat - val2 = (Tfloat)*ptrs, - val1 = ptrs>=ptrsmin?(Tfloat)*(ptrs - sx):val2, - val0 = ptrs>ptrsmin?(Tfloat)*(ptrs - 2*sx):val1, - val3 = ptrs<=ptrsmax?(Tfloat)*(ptrs + sx):val2, - val4 = ptrsvmax?vmax:val); - ptrd+=sx; - ptrs+=*(poff++); - } - } - } - } - resx.assign(); - } else resy.assign(resx,true); - - if (sz!=_depth) { - if (_depth==1) resy.get_resize(sx,sy,sz,_spectrum,1).move_to(resz); - else { - if (_depth>sz) resy.get_resize(sx,sy,sz,_spectrum,2).move_to(resz); - else { - const float fz = (!boundary_conditions && sz>_depth)?(sz>1?(_depth - 1.0f)/(sz - 1):0):(float)_depth/sz; - const unsigned int sxy = sx*sy; - resz.assign(sx,sy,sz,_spectrum); - float curr = 0, old = 0; - unsigned int *poff = off._data; - float *pfoff = foff._data; - cimg_forZ(resz,z) { - *(pfoff++) = curr - (unsigned int)curr; - old = curr; - curr+=fz; - *(poff++) = sxy*((unsigned int)curr - (unsigned int)old); - } -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (resz.size()>=65536) -#endif - cimg_forXYC(resz,x,y,c) { - const T *const ptrs0 = resy.data(x,y,0,c), *ptrs = ptrs0, *const ptrsmin = ptrs0 + sxy, - *const ptrsmax = ptrs0 + (_depth - 2)*sxy; - T *ptrd = resz.data(x,y,0,c); - const unsigned int *poff = off._data; - const float *pfoff = foff._data; - cimg_forZ(resz,z) { - const float - t = *(pfoff++), - w0 = _cimg_lanczos(t + 2), - w1 = _cimg_lanczos(t + 1), - w2 = _cimg_lanczos(t), - w3 = _cimg_lanczos(t - 1), - w4 = _cimg_lanczos(t - 2); - const Tfloat - val2 = (Tfloat)*ptrs, - val1 = ptrs>=ptrsmin?(Tfloat)*(ptrs - sxy):val2, - val0 = ptrs>ptrsmin?(Tfloat)*(ptrs - 2*sxy):val1, - val3 = ptrs<=ptrsmax?(Tfloat)*(ptrs + sxy):val2, - val4 = ptrsvmax?vmax:val); - ptrd+=sxy; - ptrs+=*(poff++); - } - } - } - } - resy.assign(); - } else resz.assign(resy,true); - - if (sc!=_spectrum) { - if (_spectrum==1) resz.get_resize(sx,sy,sz,sc,1).move_to(resc); - else { - if (_spectrum>sc) resz.get_resize(sx,sy,sz,sc,2).move_to(resc); - else { - const float fc = (!boundary_conditions && sc>_spectrum)?(sc>1?(_spectrum - 1.0f)/(sc - 1):0): - (float)_spectrum/sc; - const unsigned int sxyz = sx*sy*sz; - resc.assign(sx,sy,sz,sc); - float curr = 0, old = 0; - unsigned int *poff = off._data; - float *pfoff = foff._data; - cimg_forC(resc,c) { - *(pfoff++) = curr - (unsigned int)curr; - old = curr; - curr+=fc; - *(poff++) = sxyz*((unsigned int)curr - (unsigned int)old); - } -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (resc.size()>=65536) -#endif - cimg_forXYZ(resc,x,y,z) { - const T *const ptrs0 = resz.data(x,y,z,0), *ptrs = ptrs0, *const ptrsmin = ptrs0 + sxyz, - *const ptrsmax = ptrs + (_spectrum - 2)*sxyz; - T *ptrd = resc.data(x,y,z,0); - const unsigned int *poff = off._data; - const float *pfoff = foff._data; - cimg_forC(resc,c) { - const float - t = *(pfoff++), - w0 = _cimg_lanczos(t + 2), - w1 = _cimg_lanczos(t + 1), - w2 = _cimg_lanczos(t), - w3 = _cimg_lanczos(t - 1), - w4 = _cimg_lanczos(t - 2); - const Tfloat - val2 = (Tfloat)*ptrs, - val1 = ptrs>=ptrsmin?(Tfloat)*(ptrs - sxyz):val2, - val0 = ptrs>ptrsmin?(Tfloat)*(ptrs - 2*sxyz):val1, - val3 = ptrs<=ptrsmax?(Tfloat)*(ptrs + sxyz):val2, - val4 = ptrsvmax?vmax:val); - ptrd+=sxyz; - ptrs+=*(poff++); - } - } - } - } - resz.assign(); - } else resc.assign(resz,true); - - return resc._is_shared?(resz._is_shared?(resy._is_shared?(resx._is_shared?(+(*this)):resx):resy):resz):resc; - } break; - - // Unknow interpolation. - // - default : - throw CImgArgumentException(_cimg_instance - "resize(): Invalid specified interpolation %d " - "(should be { -1=raw | 0=none | 1=nearest | 2=average | 3=linear | 4=grid | " - "5=cubic | 6=lanczos }).", - cimg_instance, - interpolation_type); - } - return res; - } - - //! Resize image to dimensions of another image. - /** - \param src Reference image used for dimensions. - \param interpolation_type Interpolation method. - \param boundary_conditions Boundary conditions. - \param centering_x Set centering type (only if \p interpolation_type=0). - \param centering_y Set centering type (only if \p interpolation_type=0). - \param centering_z Set centering type (only if \p interpolation_type=0). - \param centering_c Set centering type (only if \p interpolation_type=0). - **/ - template - CImg& resize(const CImg& src, - const int interpolation_type=1, const unsigned int boundary_conditions=0, - const float centering_x = 0, const float centering_y = 0, - const float centering_z = 0, const float centering_c = 0) { - return resize(src._width,src._height,src._depth,src._spectrum,interpolation_type,boundary_conditions, - centering_x,centering_y,centering_z,centering_c); - } - - //! Resize image to dimensions of another image \newinstance. - template - CImg get_resize(const CImg& src, - const int interpolation_type=1, const unsigned int boundary_conditions=0, - const float centering_x = 0, const float centering_y = 0, - const float centering_z = 0, const float centering_c = 0) const { - return get_resize(src._width,src._height,src._depth,src._spectrum,interpolation_type,boundary_conditions, - centering_x,centering_y,centering_z,centering_c); - } - - //! Resize image to dimensions of a display window. - /** - \param disp Reference display window used for dimensions. - \param interpolation_type Interpolation method. - \param boundary_conditions Boundary conditions. - \param centering_x Set centering type (only if \p interpolation_type=0). - \param centering_y Set centering type (only if \p interpolation_type=0). - \param centering_z Set centering type (only if \p interpolation_type=0). - \param centering_c Set centering type (only if \p interpolation_type=0). - **/ - CImg& resize(const CImgDisplay& disp, - const int interpolation_type=1, const unsigned int boundary_conditions=0, - const float centering_x = 0, const float centering_y = 0, - const float centering_z = 0, const float centering_c = 0) { - return resize(disp.width(),disp.height(),_depth,_spectrum,interpolation_type,boundary_conditions, - centering_x,centering_y,centering_z,centering_c); - } - - //! Resize image to dimensions of a display window \newinstance. - CImg get_resize(const CImgDisplay& disp, - const int interpolation_type=1, const unsigned int boundary_conditions=0, - const float centering_x = 0, const float centering_y = 0, - const float centering_z = 0, const float centering_c = 0) const { - return get_resize(disp.width(),disp.height(),_depth,_spectrum,interpolation_type,boundary_conditions, - centering_x,centering_y,centering_z,centering_c); - } - - //! Resize image to half-size along XY axes, using an optimized filter. - CImg& resize_halfXY() { - return get_resize_halfXY().move_to(*this); - } - - //! Resize image to half-size along XY axes, using an optimized filter \newinstance. - CImg get_resize_halfXY() const { - if (is_empty()) return *this; - static const Tfloat mask[9] = { 0.07842776544f, 0.1231940459f, 0.07842776544f, - 0.1231940459f, 0.1935127547f, 0.1231940459f, - 0.07842776544f, 0.1231940459f, 0.07842776544f }; - CImg I(9), res(_width/2,_height/2,_depth,_spectrum); - T *ptrd = res._data; - cimg_forZC(*this,z,c) cimg_for3x3(*this,x,y,z,c,I,T) - if (x%2 && y%2) *(ptrd++) = (T) - (I[0]*mask[0] + I[1]*mask[1] + I[2]*mask[2] + - I[3]*mask[3] + I[4]*mask[4] + I[5]*mask[5] + - I[6]*mask[6] + I[7]*mask[7] + I[8]*mask[8]); - return res; - } - - //! Resize image to double-size, using the Scale2X algorithm. - /** - \note Use anisotropic upscaling algorithm - described here. - **/ - CImg& resize_doubleXY() { - return get_resize_doubleXY().move_to(*this); - } - - //! Resize image to double-size, using the Scale2X algorithm \newinstance. - CImg get_resize_doubleXY() const { -#define _cimg_gs2x_for3(bound,i) \ - for (int i = 0, _p1##i = 0, \ - _n1##i = 1>=(bound)?(int)(bound) - 1:1; \ - _n1##i<(int)(bound) || i==--_n1##i; \ - _p1##i = i++, ++_n1##i, ptrd1+=(res)._width, ptrd2+=(res)._width) - -#define _cimg_gs2x_for3x3(img,x,y,z,c,I,T) \ - _cimg_gs2x_for3((img)._height,y) for (int x = 0, \ - _p1##x = 0, \ - _n1##x = (int)( \ - (I[1] = (T)(img)(_p1##x,_p1##y,z,c)), \ - (I[3] = I[4] = (T)(img)(0,y,z,c)), \ - (I[7] = (T)(img)(0,_n1##y,z,c)), \ - 1>=(img)._width?(img).width() - 1:1); \ - (_n1##x<(img).width() && ( \ - (I[2] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[5] = (T)(img)(_n1##x,y,z,c)), \ - (I[8] = (T)(img)(_n1##x,_n1##y,z,c)),1)) || \ - x==--_n1##x; \ - I[1] = I[2], \ - I[3] = I[4], I[4] = I[5], \ - I[7] = I[8], \ - _p1##x = x++, ++_n1##x) - - if (is_empty()) return *this; - CImg res(_width<<1,_height<<1,_depth,_spectrum); - CImg_3x3(I,T); - cimg_forZC(*this,z,c) { - T - *ptrd1 = res.data(0,0,z,c), - *ptrd2 = ptrd1 + res._width; - _cimg_gs2x_for3x3(*this,x,y,z,c,I,T) { - if (Icp!=Icn && Ipc!=Inc) { - *(ptrd1++) = Ipc==Icp?Ipc:Icc; - *(ptrd1++) = Icp==Inc?Inc:Icc; - *(ptrd2++) = Ipc==Icn?Ipc:Icc; - *(ptrd2++) = Icn==Inc?Inc:Icc; - } else { *(ptrd1++) = Icc; *(ptrd1++) = Icc; *(ptrd2++) = Icc; *(ptrd2++) = Icc; } - } - } - return res; - } - - //! Resize image to triple-size, using the Scale3X algorithm. - /** - \note Use anisotropic upscaling algorithm - described here. - **/ - CImg& resize_tripleXY() { - return get_resize_tripleXY().move_to(*this); - } - - //! Resize image to triple-size, using the Scale3X algorithm \newinstance. - CImg get_resize_tripleXY() const { -#define _cimg_gs3x_for3(bound,i) \ - for (int i = 0, _p1##i = 0, \ - _n1##i = 1>=(bound)?(int)(bound) - 1:1; \ - _n1##i<(int)(bound) || i==--_n1##i; \ - _p1##i = i++, ++_n1##i, ptrd1+=2*(res)._width, ptrd2+=2*(res)._width, ptrd3+=2*(res)._width) - -#define _cimg_gs3x_for3x3(img,x,y,z,c,I,T) \ - _cimg_gs3x_for3((img)._height,y) for (int x = 0, \ - _p1##x = 0, \ - _n1##x = (int)( \ - (I[0] = I[1] = (T)(img)(_p1##x,_p1##y,z,c)), \ - (I[3] = I[4] = (T)(img)(0,y,z,c)), \ - (I[6] = I[7] = (T)(img)(0,_n1##y,z,c)), \ - 1>=(img)._width?(img).width() - 1:1); \ - (_n1##x<(img).width() && ( \ - (I[2] = (T)(img)(_n1##x,_p1##y,z,c)), \ - (I[5] = (T)(img)(_n1##x,y,z,c)), \ - (I[8] = (T)(img)(_n1##x,_n1##y,z,c)),1)) || \ - x==--_n1##x; \ - I[0] = I[1], I[1] = I[2], \ - I[3] = I[4], I[4] = I[5], \ - I[6] = I[7], I[7] = I[8], \ - _p1##x = x++, ++_n1##x) - - if (is_empty()) return *this; - CImg res(3*_width,3*_height,_depth,_spectrum); - CImg_3x3(I,T); - cimg_forZC(*this,z,c) { - T - *ptrd1 = res.data(0,0,z,c), - *ptrd2 = ptrd1 + res._width, - *ptrd3 = ptrd2 + res._width; - _cimg_gs3x_for3x3(*this,x,y,z,c,I,T) { - if (Icp != Icn && Ipc != Inc) { - *(ptrd1++) = Ipc==Icp?Ipc:Icc; - *(ptrd1++) = (Ipc==Icp && Icc!=Inp) || (Icp==Inc && Icc!=Ipp)?Icp:Icc; - *(ptrd1++) = Icp==Inc?Inc:Icc; - *(ptrd2++) = (Ipc==Icp && Icc!=Ipn) || (Ipc==Icn && Icc!=Ipp)?Ipc:Icc; - *(ptrd2++) = Icc; - *(ptrd2++) = (Icp==Inc && Icc!=Inn) || (Icn==Inc && Icc!=Inp)?Inc:Icc; - *(ptrd3++) = Ipc==Icn?Ipc:Icc; - *(ptrd3++) = (Ipc==Icn && Icc!=Inn) || (Icn==Inc && Icc!=Ipn)?Icn:Icc; - *(ptrd3++) = Icn==Inc?Inc:Icc; - } else { - *(ptrd1++) = Icc; *(ptrd1++) = Icc; *(ptrd1++) = Icc; - *(ptrd2++) = Icc; *(ptrd2++) = Icc; *(ptrd2++) = Icc; - *(ptrd3++) = Icc; *(ptrd3++) = Icc; *(ptrd3++) = Icc; - } - } - } - return res; - } - - //! Mirror image content along specified axis. - /** - \param axis Mirror axis - **/ - CImg& mirror(const char axis) { - if (is_empty()) return *this; - T *pf, *pb, *buf = 0; - switch (cimg::uncase(axis)) { - case 'x' : { - pf = _data; pb = data(_width - 1); - const unsigned int width2 = _width/2; - for (unsigned int yzv = 0; yzv<_height*_depth*_spectrum; ++yzv) { - for (unsigned int x = 0; x get_mirror(const char axis) const { - return (+*this).mirror(axis); - } - - //! Mirror image content along specified axes. - /** - \param axes Mirror axes, as a C-string. - \note \c axes may contains multiple characters, e.g. \c "xyz" - **/ - CImg& mirror(const char *const axes) { - for (const char *s = axes; *s; ++s) mirror(*s); - return *this; - } - - //! Mirror image content along specified axes \newinstance. - CImg get_mirror(const char *const axes) const { - return (+*this).mirror(axes); - } - - //! Shift image content. - /** - \param delta_x Amount of displacement along the X-axis. - \param delta_y Amount of displacement along the Y-axis. - \param delta_z Amount of displacement along the Z-axis. - \param delta_c Amount of displacement along the C-axis. - \param boundary_conditions Border condition. - - - \c boundary_conditions can be: - - 0: Zero border condition (Dirichlet). - - 1: Nearest neighbors (Neumann). - - 2: Repeat Pattern (Fourier style). - **/ - CImg& shift(const int delta_x, const int delta_y=0, const int delta_z=0, const int delta_c=0, - const int boundary_conditions=0) { - if (is_empty()) return *this; - if (delta_x) // Shift along X-axis - switch (boundary_conditions) { - case 0 : - if (cimg::abs(delta_x)>=width()) return fill(0); - if (delta_x<0) cimg_forYZC(*this,y,z,c) { - std::memmove(data(0,y,z,c),data(-delta_x,y,z,c),(_width + delta_x)*sizeof(T)); - std::memset(data(_width + delta_x,y,z,c),0,-delta_x*sizeof(T)); - } else cimg_forYZC(*this,y,z,c) { - std::memmove(data(delta_x,y,z,c),data(0,y,z,c),(_width-delta_x)*sizeof(T)); - std::memset(data(0,y,z,c),0,delta_x*sizeof(T)); - } - break; - case 1 : - if (delta_x<0) { - const int ndelta_x = (-delta_x>=width())?width() - 1:-delta_x; - if (!ndelta_x) return *this; - cimg_forYZC(*this,y,z,c) { - std::memmove(data(0,y,z,c),data(ndelta_x,y,z,c),(_width-ndelta_x)*sizeof(T)); - T *ptrd = data(_width - 1,y,z,c); - const T val = *ptrd; - for (int l = 0; l=width())?width() - 1:delta_x; - if (!ndelta_x) return *this; - cimg_forYZC(*this,y,z,c) { - std::memmove(data(ndelta_x,y,z,c),data(0,y,z,c),(_width-ndelta_x)*sizeof(T)); - T *ptrd = data(0,y,z,c); - const T val = *ptrd; - for (int l = 0; l0) cimg_forYZC(*this,y,z,c) { - std::memcpy(buf,data(0,y,z,c),ndelta_x*sizeof(T)); - std::memmove(data(0,y,z,c),data(ndelta_x,y,z,c),(_width-ndelta_x)*sizeof(T)); - std::memcpy(data(_width-ndelta_x,y,z,c),buf,ndelta_x*sizeof(T)); - } else cimg_forYZC(*this,y,z,c) { - std::memcpy(buf,data(_width + ndelta_x,y,z,c),-ndelta_x*sizeof(T)); - std::memmove(data(-ndelta_x,y,z,c),data(0,y,z,c),(_width + ndelta_x)*sizeof(T)); - std::memcpy(data(0,y,z,c),buf,-ndelta_x*sizeof(T)); - } - delete[] buf; - } - } - - if (delta_y) // Shift along Y-axis - switch (boundary_conditions) { - case 0 : - if (cimg::abs(delta_y)>=height()) return fill(0); - if (delta_y<0) cimg_forZC(*this,z,c) { - std::memmove(data(0,0,z,c),data(0,-delta_y,z,c),_width*(_height + delta_y)*sizeof(T)); - std::memset(data(0,_height + delta_y,z,c),0,-delta_y*_width*sizeof(T)); - } else cimg_forZC(*this,z,c) { - std::memmove(data(0,delta_y,z,c),data(0,0,z,c),_width*(_height-delta_y)*sizeof(T)); - std::memset(data(0,0,z,c),0,delta_y*_width*sizeof(T)); - } - break; - case 1 : - if (delta_y<0) { - const int ndelta_y = (-delta_y>=height())?height() - 1:-delta_y; - if (!ndelta_y) return *this; - cimg_forZC(*this,z,c) { - std::memmove(data(0,0,z,c),data(0,ndelta_y,z,c),_width*(_height-ndelta_y)*sizeof(T)); - T *ptrd = data(0,_height-ndelta_y,z,c), *ptrs = data(0,_height - 1,z,c); - for (int l = 0; l=height())?height() - 1:delta_y; - if (!ndelta_y) return *this; - cimg_forZC(*this,z,c) { - std::memmove(data(0,ndelta_y,z,c),data(0,0,z,c),_width*(_height-ndelta_y)*sizeof(T)); - T *ptrd = data(0,1,z,c), *ptrs = data(0,0,z,c); - for (int l = 0; l0) cimg_forZC(*this,z,c) { - std::memcpy(buf,data(0,0,z,c),_width*ndelta_y*sizeof(T)); - std::memmove(data(0,0,z,c),data(0,ndelta_y,z,c),_width*(_height-ndelta_y)*sizeof(T)); - std::memcpy(data(0,_height-ndelta_y,z,c),buf,_width*ndelta_y*sizeof(T)); - } else cimg_forZC(*this,z,c) { - std::memcpy(buf,data(0,_height + ndelta_y,z,c),-ndelta_y*_width*sizeof(T)); - std::memmove(data(0,-ndelta_y,z,c),data(0,0,z,c),_width*(_height + ndelta_y)*sizeof(T)); - std::memcpy(data(0,0,z,c),buf,-ndelta_y*_width*sizeof(T)); - } - delete[] buf; - } - } - - if (delta_z) // Shift along Z-axis - switch (boundary_conditions) { - case 0 : - if (cimg::abs(delta_z)>=depth()) return fill(0); - if (delta_z<0) cimg_forC(*this,c) { - std::memmove(data(0,0,0,c),data(0,0,-delta_z,c),_width*_height*(_depth + delta_z)*sizeof(T)); - std::memset(data(0,0,_depth + delta_z,c),0,_width*_height*(-delta_z)*sizeof(T)); - } else cimg_forC(*this,c) { - std::memmove(data(0,0,delta_z,c),data(0,0,0,c),_width*_height*(_depth-delta_z)*sizeof(T)); - std::memset(data(0,0,0,c),0,delta_z*_width*_height*sizeof(T)); - } - break; - case 1 : - if (delta_z<0) { - const int ndelta_z = (-delta_z>=depth())?depth() - 1:-delta_z; - if (!ndelta_z) return *this; - cimg_forC(*this,c) { - std::memmove(data(0,0,0,c),data(0,0,ndelta_z,c),_width*_height*(_depth-ndelta_z)*sizeof(T)); - T *ptrd = data(0,0,_depth-ndelta_z,c), *ptrs = data(0,0,_depth - 1,c); - for (int l = 0; l=depth())?depth() - 1:delta_z; - if (!ndelta_z) return *this; - cimg_forC(*this,c) { - std::memmove(data(0,0,ndelta_z,c),data(0,0,0,c),_width*_height*(_depth-ndelta_z)*sizeof(T)); - T *ptrd = data(0,0,1,c), *ptrs = data(0,0,0,c); - for (int l = 0; l0) cimg_forC(*this,c) { - std::memcpy(buf,data(0,0,0,c),_width*_height*ndelta_z*sizeof(T)); - std::memmove(data(0,0,0,c),data(0,0,ndelta_z,c),_width*_height*(_depth-ndelta_z)*sizeof(T)); - std::memcpy(data(0,0,_depth-ndelta_z,c),buf,_width*_height*ndelta_z*sizeof(T)); - } else cimg_forC(*this,c) { - std::memcpy(buf,data(0,0,_depth + ndelta_z,c),-ndelta_z*_width*_height*sizeof(T)); - std::memmove(data(0,0,-ndelta_z,c),data(0,0,0,c),_width*_height*(_depth + ndelta_z)*sizeof(T)); - std::memcpy(data(0,0,0,c),buf,-ndelta_z*_width*_height*sizeof(T)); - } - delete[] buf; - } - } - - if (delta_c) // Shift along C-axis - switch (boundary_conditions) { - case 0 : - if (cimg::abs(delta_c)>=spectrum()) return fill(0); - if (delta_c<0) { - std::memmove(_data,data(0,0,0,-delta_c),_width*_height*_depth*(_spectrum + delta_c)*sizeof(T)); - std::memset(data(0,0,0,_spectrum + delta_c),0,_width*_height*_depth*(-delta_c)*sizeof(T)); - } else { - std::memmove(data(0,0,0,delta_c),_data,_width*_height*_depth*(_spectrum-delta_c)*sizeof(T)); - std::memset(_data,0,delta_c*_width*_height*_depth*sizeof(T)); - } - break; - case 1 : - if (delta_c<0) { - const int ndelta_c = (-delta_c>=spectrum())?spectrum() - 1:-delta_c; - if (!ndelta_c) return *this; - std::memmove(_data,data(0,0,0,ndelta_c),_width*_height*_depth*(_spectrum-ndelta_c)*sizeof(T)); - T *ptrd = data(0,0,0,_spectrum-ndelta_c), *ptrs = data(0,0,0,_spectrum - 1); - for (int l = 0; l=spectrum())?spectrum() - 1:delta_c; - if (!ndelta_c) return *this; - std::memmove(data(0,0,0,ndelta_c),_data,_width*_height*_depth*(_spectrum-ndelta_c)*sizeof(T)); - T *ptrd = data(0,0,0,1); - for (int l = 0; l0) { - std::memcpy(buf,_data,_width*_height*_depth*ndelta_c*sizeof(T)); - std::memmove(_data,data(0,0,0,ndelta_c),_width*_height*_depth*(_spectrum-ndelta_c)*sizeof(T)); - std::memcpy(data(0,0,0,_spectrum-ndelta_c),buf,_width*_height*_depth*ndelta_c*sizeof(T)); - } else { - std::memcpy(buf,data(0,0,0,_spectrum + ndelta_c),-ndelta_c*_width*_height*_depth*sizeof(T)); - std::memmove(data(0,0,0,-ndelta_c),_data,_width*_height*_depth*(_spectrum + ndelta_c)*sizeof(T)); - std::memcpy(_data,buf,-ndelta_c*_width*_height*_depth*sizeof(T)); - } - delete[] buf; - } - } - return *this; - } - - //! Shift image content \newinstance. - CImg get_shift(const int delta_x, const int delta_y=0, const int delta_z=0, const int delta_c=0, - const int boundary_conditions=0) const { - return (+*this).shift(delta_x,delta_y,delta_z,delta_c,boundary_conditions); - } - - //! Permute axes order. - /** - \param order Axes permutations, as a C-string of 4 characters. - This function permutes image content regarding the specified axes permutation. - **/ - CImg& permute_axes(const char *const order) { - return get_permute_axes(order).move_to(*this); - } - - //! Permute axes order \newinstance. - CImg get_permute_axes(const char *const order) const { - const T foo = (T)0; - return _get_permute_axes(order,foo); - } - - template - CImg _get_permute_axes(const char *const permut, const t&) const { - if (is_empty() || !permut) return CImg(*this,false); - CImg res; - const T* ptrs = _data; - if (!cimg::strncasecmp(permut,"xyzc",4)) return +*this; - if (!cimg::strncasecmp(permut,"xycz",4)) { - res.assign(_width,_height,_spectrum,_depth); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(x,y,c,z,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"xzyc",4)) { - res.assign(_width,_depth,_height,_spectrum); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(x,z,y,c,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"xzcy",4)) { - res.assign(_width,_depth,_spectrum,_height); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(x,z,c,y,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"xcyz",4)) { - res.assign(_width,_spectrum,_height,_depth); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(x,c,y,z,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"xczy",4)) { - res.assign(_width,_spectrum,_depth,_height); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(x,c,z,y,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"yxzc",4)) { - res.assign(_height,_width,_depth,_spectrum); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(y,x,z,c,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"yxcz",4)) { - res.assign(_height,_width,_spectrum,_depth); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(y,x,c,z,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"yzxc",4)) { - res.assign(_height,_depth,_width,_spectrum); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(y,z,x,c,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"yzcx",4)) { - res.assign(_height,_depth,_spectrum,_width); - switch (_width) { - case 1 : { - t *ptr_r = res.data(0,0,0,0); - for (unsigned int siz = _height*_depth*_spectrum; siz; --siz) { - *(ptr_r++) = (t)*(ptrs++); - } - } break; - case 2 : { - t *ptr_r = res.data(0,0,0,0), *ptr_g = res.data(0,0,0,1); - for (unsigned int siz = _height*_depth*_spectrum; siz; --siz) { - *(ptr_r++) = (t)*(ptrs++); *(ptr_g++) = (t)*(ptrs++); - } - } break; - case 3 : { // Optimization for the classical conversion from interleaved RGB to planar RGB - t *ptr_r = res.data(0,0,0,0), *ptr_g = res.data(0,0,0,1), *ptr_b = res.data(0,0,0,2); - for (unsigned int siz = _height*_depth*_spectrum; siz; --siz) { - *(ptr_r++) = (t)*(ptrs++); *(ptr_g++) = (t)*(ptrs++); *(ptr_b++) = (t)*(ptrs++); - } - } break; - case 4 : { // Optimization for the classical conversion from interleaved RGBA to planar RGBA - t *ptr_r = res.data(0,0,0,0), *ptr_g = res.data(0,0,0,1), *ptr_b = res.data(0,0,0,2), *ptr_a = res.data(0,0,0,3); - for (unsigned int siz = _height*_depth*_spectrum; siz; --siz) { - *(ptr_r++) = (t)*(ptrs++); *(ptr_g++) = (t)*(ptrs++); *(ptr_b++) = (t)*(ptrs++); *(ptr_a++) = (t)*(ptrs++); - } - } break; - default : { - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(y,z,c,x,wh,whd) = *(ptrs++); - return res; - } - } - } - if (!cimg::strncasecmp(permut,"ycxz",4)) { - res.assign(_height,_spectrum,_width,_depth); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(y,c,x,z,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"yczx",4)) { - res.assign(_height,_spectrum,_depth,_width); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(y,c,z,x,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"zxyc",4)) { - res.assign(_depth,_width,_height,_spectrum); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(z,x,y,c,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"zxcy",4)) { - res.assign(_depth,_width,_spectrum,_height); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(z,x,c,y,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"zyxc",4)) { - res.assign(_depth,_height,_width,_spectrum); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(z,y,x,c,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"zycx",4)) { - res.assign(_depth,_height,_spectrum,_width); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(z,y,c,x,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"zcxy",4)) { - res.assign(_depth,_spectrum,_width,_height); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(z,c,x,y,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"zcyx",4)) { - res.assign(_depth,_spectrum,_height,_width); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(z,c,y,x,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"cxyz",4)) { - res.assign(_spectrum,_width,_height,_depth); - switch (_spectrum) { - case 1 : { - const T *ptr_r = data(0,0,0,0); - t *ptrd = res._data; - for (unsigned long siz = (unsigned long)_width*_height*_depth; siz; --siz) *(ptrd++) = (t)*(ptr_r++); - } break; - case 2 : { - const T *ptr_r = data(0,0,0,0), *ptr_g = data(0,0,0,1); - t *ptrd = res._data; - for (unsigned long siz = (unsigned long)_width*_height*_depth; siz; --siz) { - *(ptrd++) = (t)*(ptr_r++); *(ptrd++) = (t)*(ptr_g++); - } - } break; - case 3 : { // Optimization for the classical conversion from planar RGB to interleaved RGB - const T *ptr_r = data(0,0,0,0), *ptr_g = data(0,0,0,1), *ptr_b = data(0,0,0,2); - t *ptrd = res._data; - for (unsigned long siz = (unsigned long)_width*_height*_depth; siz; --siz) { - *(ptrd++) = (t)*(ptr_r++); *(ptrd++) = (t)*(ptr_g++); *(ptrd++) = (t)*(ptr_b++); - } - } break; - case 4 : { // Optimization for the classical conversion from planar RGBA to interleaved RGBA - const T *ptr_r = data(0,0,0,0), *ptr_g = data(0,0,0,1), *ptr_b = data(0,0,0,2), *ptr_a = data(0,0,0,3); - t *ptrd = res._data; - for (unsigned long siz = (unsigned long)_width*_height*_depth; siz; --siz) { - *(ptrd++) = (t)*(ptr_r++); *(ptrd++) = (t)*(ptr_g++); *(ptrd++) = (t)*(ptr_b++); *(ptrd++) = (t)*(ptr_a++); - } - } break; - default : { - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(c,x,y,z,wh,whd) = (t)*(ptrs++); - } - } - } - if (!cimg::strncasecmp(permut,"cxzy",4)) { - res.assign(_spectrum,_width,_depth,_height); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(c,x,z,y,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"cyxz",4)) { - res.assign(_spectrum,_height,_width,_depth); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(c,y,x,z,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"cyzx",4)) { - res.assign(_spectrum,_height,_depth,_width); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(c,y,z,x,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"czxy",4)) { - res.assign(_spectrum,_depth,_width,_height); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(c,z,x,y,wh,whd) = (t)*(ptrs++); - } - if (!cimg::strncasecmp(permut,"czyx",4)) { - res.assign(_spectrum,_depth,_height,_width); - const unsigned long wh = (unsigned long)res._width*res._height, whd = wh*res._depth; - cimg_forXYZC(*this,x,y,z,c) res(c,z,y,x,wh,whd) = (t)*(ptrs++); - } - if (!res) - throw CImgArgumentException(_cimg_instance - "permute_axes(): Invalid specified permutation '%s'.", - cimg_instance, - permut); - return res; - } - - //! Unroll pixel values along specified axis. - /** - \param axis Unroll axis (can be \c 'x', \c 'y', \c 'z' or c 'c'). - **/ - CImg& unroll(const char axis) { - const unsigned int siz = size(); - if (siz) switch (cimg::uncase(axis)) { - case 'x' : _width = siz; _height = _depth = _spectrum = 1; break; - case 'y' : _height = siz; _width = _depth = _spectrum = 1; break; - case 'z' : _depth = siz; _width = _height = _spectrum = 1; break; - default : _spectrum = siz; _width = _height = _depth = 1; - } - return *this; - } - - //! Unroll pixel values along specified axis \newinstance. - CImg get_unroll(const char axis) const { - return (+*this).unroll(axis); - } - - //! Rotate image with arbitrary angle. - /** - \param angle Rotation angle, in degrees. - \param interpolation Type of interpolation. Can be { 0=nearest | 1=linear | 2=cubic }. - \param boundary Boundary conditions. Can be { 0=dirichlet | 1=neumann | 2=periodic }. - \note Most of the time, size of the image is modified. - **/ - CImg& rotate(const float angle, const unsigned int interpolation=1, - const unsigned int boundary_conditions=0) { - const float nangle = cimg::mod(angle,360.0f); - if (nangle==0.0f) return *this; - return get_rotate(angle,interpolation,boundary_conditions).move_to(*this); - } - - //! Rotate image with arbitrary angle \newinstance. - CImg get_rotate(const float angle, const unsigned int interpolation=1, - const unsigned int boundary_conditions=0) const { - if (is_empty()) return *this; - CImg res; - const float nangle = cimg::mod(angle,360.0f); - if (boundary_conditions!=1 && cimg::mod(nangle,90.0f)==0) { // Optimized version for orthogonal angles. - const int wm1 = width() - 1, hm1 = height() - 1; - const int iangle = (int)nangle/90; - switch (iangle) { - case 1 : { // 90 deg. - res.assign(_height,_width,_depth,_spectrum); - T *ptrd = res._data; - cimg_forXYZC(res,x,y,z,c) *(ptrd++) = (*this)(y,hm1-x,z,c); - } break; - case 2 : { // 180 deg. - res.assign(_width,_height,_depth,_spectrum); - T *ptrd = res._data; - cimg_forXYZC(res,x,y,z,c) *(ptrd++) = (*this)(wm1-x,hm1-y,z,c); - } break; - case 3 : { // 270 deg. - res.assign(_height,_width,_depth,_spectrum); - T *ptrd = res._data; - cimg_forXYZC(res,x,y,z,c) *(ptrd++) = (*this)(wm1-y,x,z,c); - } break; - default : // 0 deg. - return *this; - } - } else { // Generic angle. - const Tfloat vmin = (Tfloat)cimg::type::min(), vmax = (Tfloat)cimg::type::max(); - const float - rad = (float)(nangle*cimg::PI/180.0), - ca = (float)std::cos(rad), - sa = (float)std::sin(rad), - ux = cimg::abs(_width*ca), uy = cimg::abs(_width*sa), - vx = cimg::abs(_height*sa), vy = cimg::abs(_height*ca), - w2 = 0.5f*_width, h2 = 0.5f*_height, - dw2 = 0.5f*(ux + vx), dh2 = 0.5f*(uy + vy); - res.assign((int)(ux + vx),(int)(uy + vy),_depth,_spectrum); - switch (boundary_conditions) { - case 0 : { // Dirichlet boundaries. - switch (interpolation) { - case 2 : { // Cubic interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) { - const Tfloat val = cubic_atXY(w2 + (x-dw2)*ca + (y-dh2)*sa,h2 - (x-dw2)*sa + (y-dh2)*ca,z,c,0); - res(x,y,z,c) = (T)(valvmax?vmax:val); - } - } break; - case 1 : { // Linear interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) - res(x,y,z,c) = (T)linear_atXY(w2 + (x-dw2)*ca + (y-dh2)*sa,h2 - (x-dw2)*sa + (y-dh2)*ca,z,c,0); - } break; - default : { // Nearest-neighbor interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) - res(x,y,z,c) = atXY((int)(w2 + (x-dw2)*ca + (y-dh2)*sa),(int)(h2 - (x-dw2)*sa + (y-dh2)*ca),z,c,0); - } - } - } break; - case 1 : { // Neumann boundaries. - switch (interpolation) { - case 2 : { // Cubic interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) { - const Tfloat val = _cubic_atXY(w2 + (x-dw2)*ca + (y-dh2)*sa,h2 - (x-dw2)*sa + (y-dh2)*ca,z,c); - res(x,y,z,c) = (T)(valvmax?vmax:val); - } - } break; - case 1 : { // Linear interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) - res(x,y,z,c) = (T)_linear_atXY(w2 + (x-dw2)*ca + (y-dh2)*sa,h2 - (x-dw2)*sa + (y-dh2)*ca,z,c); - } break; - default : { // Nearest-neighbor interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) - res(x,y,z,c) = _atXY((int)(w2 + (x-dw2)*ca + (y-dh2)*sa),(int)(h2 - (x-dw2)*sa + (y-dh2)*ca),z,c); - } - } - } break; - case 2 : { // Periodic boundaries. - switch (interpolation) { - case 2 : { // Cubic interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) { - const Tfloat val = _cubic_atXY(cimg::mod(w2 + (x-dw2)*ca + (y-dh2)*sa,(float)width()), - cimg::mod(h2 - (x-dw2)*sa + (y-dh2)*ca,(float)height()),z,c); - res(x,y,z,c) = (T)(valvmax?vmax:val); - } - } break; - case 1 : { // Linear interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) - res(x,y,z,c) = (T)_linear_atXY(cimg::mod(w2 + (x-dw2)*ca + (y-dh2)*sa,(float)width()), - cimg::mod(h2 - (x-dw2)*sa + (y-dh2)*ca,(float)height()),z,c); - } break; - default : { // Nearest-neighbor interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) - res(x,y,z,c) = (*this)(cimg::mod((int)(w2 + (x-dw2)*ca + (y-dh2)*sa),width()), - cimg::mod((int)(h2 - (x-dw2)*sa + (y-dh2)*ca),height()),z,c); - } - } - } break; - default : - throw CImgArgumentException(_cimg_instance - "rotate(): Invalid specified border conditions %d " - "(should be { 0=dirichlet | 1=neumann | 2=periodic }).", - cimg_instance, - boundary_conditions); - } - } - return res; - } - - //! Rotate image with arbitrary angle, around a center point. - /** - \param angle Rotation angle, in degrees. - \param cx X-coordinate of the rotation center. - \param cy Y-coordinate of the rotation center. - \param zoom Zoom factor. - \param boundary_conditions Boundary conditions. Can be { 0=dirichlet | 1=neumann | 2=periodic }. - \param interpolation_type Type of interpolation. Can be { 0=nearest | 1=linear | 2=cubic }. - **/ - CImg& rotate(const float angle, const float cx, const float cy, const float zoom, - const unsigned int interpolation=1, const unsigned int boundary_conditions=0) { - return get_rotate(angle,cx,cy,zoom,interpolation,boundary_conditions).move_to(*this); - } - - //! Rotate image with arbitrary angle, around a center point \newinstance. - CImg get_rotate(const float angle, const float cx, const float cy, const float zoom, - const unsigned int interpolation=1, const unsigned int boundary_conditions=0) const { - if (interpolation>2) - throw CImgArgumentException(_cimg_instance - "rotate(): Invalid specified interpolation type %d " - "(should be { 0=none | 1=linear | 2=cubic }).", - cimg_instance, - interpolation); - if (is_empty()) return *this; - CImg res(_width,_height,_depth,_spectrum); - const Tfloat vmin = (Tfloat)cimg::type::min(), vmax = (Tfloat)cimg::type::max(); - const float - rad = (float)((angle*cimg::PI)/180.0), - ca = (float)std::cos(rad)/zoom, - sa = (float)std::sin(rad)/zoom; - switch (boundary_conditions) { - case 0 : { - switch (interpolation) { - case 2 : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) { - const Tfloat val = cubic_atXY(cx + (x-cx)*ca + (y-cy)*sa,cy - (x-cx)*sa + (y-cy)*ca,z,c,0); - res(x,y,z,c) = (T)(valvmax?vmax:val); - } - } break; - case 1 : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) - res(x,y,z,c) = (T)linear_atXY(cx + (x-cx)*ca + (y-cy)*sa,cy - (x-cx)*sa + (y-cy)*ca,z,c,0); - } break; - default : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) - res(x,y,z,c) = atXY((int)(cx + (x-cx)*ca + (y-cy)*sa),(int)(cy - (x-cx)*sa + (y-cy)*ca),z,c,0); - } - } - } break; - case 1 : { - switch (interpolation) { - case 2 : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) { - const Tfloat val = _cubic_atXY(cx + (x-cx)*ca + (y-cy)*sa,cy - (x-cx)*sa + (y-cy)*ca,z,c); - res(x,y,z,c) = (T)(valvmax?vmax:val); - } - } break; - case 1 : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) - res(x,y,z,c) = (T)_linear_atXY(cx + (x-cx)*ca + (y-cy)*sa,cy - (x-cx)*sa + (y-cy)*ca,z,c); - } break; - default : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) - res(x,y,z,c) = _atXY((int)(cx + (x-cx)*ca + (y-cy)*sa),(int)(cy - (x-cx)*sa + (y-cy)*ca),z,c); - } - } - } break; - case 2 : { - switch (interpolation) { - case 2 : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) { - const Tfloat val = _cubic_atXY(cimg::mod(cx + (x-cx)*ca + (y-cy)*sa,(float)width()), - cimg::mod(cy - (x-cx)*sa + (y-cy)*ca,(float)height()),z,c); - res(x,y,z,c) = (T)(valvmax?vmax:val); - } - } break; - case 1 : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) - res(x,y,z,c) = (T)_linear_atXY(cimg::mod(cx + (x-cx)*ca + (y-cy)*sa,(float)width()), - cimg::mod(cy - (x-cx)*sa + (y-cy)*ca,(float)height()),z,c); - } break; - default : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=2048) -#endif - cimg_forXYZC(res,x,y,z,c) - res(x,y,z,c) = (*this)(cimg::mod((int)(cx + (x-cx)*ca + (y-cy)*sa),width()), - cimg::mod((int)(cy - (x-cx)*sa + (y-cy)*ca),height()),z,c); - } - } - } break; - default : - throw CImgArgumentException(_cimg_instance - "rotate(): Invalid specified border conditions %d " - "(should be { 0=dirichlet | 1=neumann | 2=periodic }).", - cimg_instance, - boundary_conditions); - } - return res; - } - - //! Warp image content by a warping field. - /** - \param warp Warping field. - \param mode Can be { 0=backward-absolute | 1=backward-relative | 2=forward-absolute | 3=foward-relative } - \param is_relative Tells if warping field gives absolute or relative warping coordinates. - \param interpolation Can be { 0=nearest | 1=linear | 2=cubic }. - \param boundary_conditions Boundary conditions. Can be { 0=dirichlet | 1=neumann | 2=periodic }. - **/ - template - CImg& warp(const CImg& warp, const unsigned int mode=0, - const unsigned int interpolation=1, const unsigned int boundary_conditions=0) { - return get_warp(warp,mode,interpolation,boundary_conditions).move_to(*this); - } - - //! Warp image content by a warping field \newinstance - template - CImg get_warp(const CImg& warp, const unsigned int mode=0, - const unsigned int interpolation=1, const unsigned int boundary_conditions=0) const { - if (is_empty() || !warp) return *this; - if (mode && !is_sameXYZ(warp)) - throw CImgArgumentException(_cimg_instance - "warp(): Instance and specified relative warping field (%u,%u,%u,%u,%p) " - "have different XYZ dimensions.", - cimg_instance, - warp._width,warp._height,warp._depth,warp._spectrum,warp._data); - - CImg res(warp._width,warp._height,warp._depth,_spectrum); - - if (warp._spectrum==1) { // 1d warping. - if (mode>=3) { // Forward-relative warp. - res.fill(0); - if (interpolation>=1) // Linear interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); const T *ptrs = data(0,y,z,c); - cimg_forX(res,x) res.set_linear_atX(*(ptrs++),x + (float)*(ptrs0++),y,z,c); - } - else // Nearest-neighbor interpolation. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); const T *ptrs = data(0,y,z,c); - cimg_forX(res,x) { - const int X = x + (int)*(ptrs0++); - if (X>=0 && X=1) // Linear interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); const T *ptrs = data(0,y,z,c); - cimg_forX(res,x) res.set_linear_atX(*(ptrs++),(float)*(ptrs0++),y,z,c); - } - else // Nearest-neighbor interpolation. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); const T *ptrs = data(0,y,z,c); - cimg_forX(res,x) { - const int X = (int)*(ptrs0++); - if (X>=0 && X=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_cubic_atX(cimg::mod(x - (float)*(ptrs0++),(float)_width),y,z,c); - } - else if (boundary_conditions==1) // Neumann boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_cubic_atX(x - (float)*(ptrs0++),y,z,c); - } - else // Dirichlet boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)cubic_atX(x - (float)*(ptrs0++),y,z,c,0); - } - } else if (interpolation==1) { // Linear interpolation. - if (boundary_conditions==2) // Periodic boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_linear_atX(cimg::mod(x - (float)*(ptrs0++),(float)_width),y,z,c); - } - else if (boundary_conditions==1) // Neumann boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_linear_atX(x - (float)*(ptrs0++),y,z,c); - } - else // Dirichlet boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)linear_atX(x - (float)*(ptrs0++),y,z,c,0); - } - } else { // Nearest-neighbor interpolation. - if (boundary_conditions==2) // Periodic boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (*this)(cimg::mod(x - (int)*(ptrs0++),(int)_width),y,z,c); - } - else if (boundary_conditions==1) // Neumann boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = _atX(x - (int)*(ptrs0++),y,z,c); - } - else // Dirichlet boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = atX(x - (int)*(ptrs0++),y,z,c,0); - } - } - } else { // Backward-absolute warp. - if (interpolation==2) { // Cubic interpolation. - if (boundary_conditions==2) // Periodic boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_cubic_atX(cimg::mod((float)*(ptrs0++),(float)_width),0,0,c); - } - else if (boundary_conditions==1) // Neumann boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_cubic_atX((float)*(ptrs0++),0,0,c); - } - else // Dirichlet boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)cubic_atX((float)*(ptrs0++),0,0,c,0); - } - } else if (interpolation==1) { // Linear interpolation. - if (boundary_conditions==2) // Periodic boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_linear_atX(cimg::mod((float)*(ptrs0++),(float)_width),0,0,c); - } - else if (boundary_conditions==1) // Neumann boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_linear_atX((float)*(ptrs0++),0,0,c); - } - else // Dirichlet boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)linear_atX((float)*(ptrs0++),0,0,c,0); - } - } else { // Nearest-neighbor interpolation. - if (boundary_conditions==2) // Periodic boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (*this)(cimg::mod((int)*(ptrs0++),(int)_width),0,0,c); - } - else if (boundary_conditions==1) // Neumann boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = _atX((int)*(ptrs0++),0,0,c); - } - else // Dirichlet boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = atX((int)*(ptrs0++),0,0,c,0); - } - } - } - - } else if (warp._spectrum==2) { // 2d warping. - if (mode>=3) { // Forward-relative warp. - res.fill(0); - if (interpolation>=1) // Linear interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); const T *ptrs = data(0,y,z,c); - cimg_forX(res,x) res.set_linear_atXY(*(ptrs++),x + (float)*(ptrs0++),y + (float)*(ptrs1++),z,c); - } - else // Nearest-neighbor interpolation. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); const T *ptrs = data(0,y,z,c); - cimg_forX(res,x) { - const int X = x + (int)*(ptrs0++), Y = y + (int)*(ptrs1++); - if (X>=0 && X=0 && Y=1) // Linear interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); const T *ptrs = data(0,y,z,c); - cimg_forX(res,x) res.set_linear_atXY(*(ptrs++),(float)*(ptrs0++),(float)*(ptrs1++),z,c); - } - else // Nearest-neighbor interpolation. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); const T *ptrs = data(0,y,z,c); - cimg_forX(res,x) { - const int X = (int)*(ptrs0++), Y = (int)*(ptrs1++); - if (X>=0 && X=0 && Y=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_cubic_atXY(cimg::mod(x - (float)*(ptrs0++),(float)_width), - cimg::mod(y - (float)*(ptrs1++),(float)_height),z,c); - } - else if (boundary_conditions==1) // Neumann boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_cubic_atXY(x - (float)*(ptrs0++),y - (float)*(ptrs1++),z,c); - } - else // Dirichlet boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)cubic_atXY(x - (float)*(ptrs0++),y - (float)*(ptrs1++),z,c,0); - } - } else if (interpolation==1) { // Linear interpolation. - if (boundary_conditions==2) // Periodic boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_linear_atXY(cimg::mod(x - (float)*(ptrs0++),(float)_width), - cimg::mod(y - (float)*(ptrs1++),(float)_height),z,c); - } - else if (boundary_conditions==1) // Neumann boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_linear_atXY(x - (float)*(ptrs0++),y - (float)*(ptrs1++),z,c); - } - else // Dirichlet boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)linear_atXY(x - (float)*(ptrs0++),y - (float)*(ptrs1++),z,c,0); - } - } else { // Nearest-neighbor interpolation. - if (boundary_conditions==2) // Periodic boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (*this)(cimg::mod(x - (int)*(ptrs0++),(int)_width), - cimg::mod(y - (int)*(ptrs1++),(int)_height),z,c); - } - else if (boundary_conditions==1) // Neumann boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = _atXY(x - (int)*(ptrs0++),y - (int)*(ptrs1++),z,c); - } - else // Dirichlet boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = atXY(x - (int)*(ptrs0++),y - (int)*(ptrs1++),z,c,0); - } - } - } else { // Backward-absolute warp. - if (interpolation==2) { // Cubic interpolation. - if (boundary_conditions==2) // Periodic boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_cubic_atXY(cimg::mod((float)*(ptrs0++),(float)_width), - cimg::mod((float)*(ptrs1++),(float)_height),0,c); - } - else if (boundary_conditions==1) // Neumann boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_cubic_atXY((float)*(ptrs0++),(float)*(ptrs1++),0,c); - } - else // Dirichlet boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)cubic_atXY((float)*(ptrs0++),(float)*(ptrs1++),0,c,0); - } - } else if (interpolation==1) { // Linear interpolation. - if (boundary_conditions==2) // Periodic boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_linear_atXY(cimg::mod((float)*(ptrs0++),(float)_width), - cimg::mod((float)*(ptrs1++),(float)_height),0,c); - } - else if (boundary_conditions==1) // Neumann boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_linear_atXY((float)*(ptrs0++),(float)*(ptrs1++),0,c); - } - else // Dirichlet boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)linear_atXY((float)*(ptrs0++),(float)*(ptrs1++),0,c,0); - } - } else { // Nearest-neighbor interpolation. - if (boundary_conditions==2) // Periodic boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (*this)(cimg::mod((int)*(ptrs0++),(int)_width), - cimg::mod((int)*(ptrs1++),(int)_height),0,c); - } - else if (boundary_conditions==1) // Neumann boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = _atXY((int)*(ptrs0++),(int)*(ptrs1++),0,c); - } - else // Dirichlet boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1); T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = atXY((int)*(ptrs0++),(int)*(ptrs1++),0,c,0); - } - } - } - - } else { // 3d warping. - if (mode>=3) { // Forward-relative warp. - res.fill(0); - if (interpolation>=1) // Linear interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - const T *ptrs = data(0,y,z,c); - cimg_forX(res,x) res.set_linear_atXYZ(*(ptrs++),x + (float)*(ptrs0++),y + (float)*(ptrs1++), - z + (float)*(ptrs2++),c); - } - else // Nearest-neighbor interpolation. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - const T *ptrs = data(0,y,z,c); - cimg_forX(res,x) { - const int X = x + (int)*(ptrs0++), Y = y + (int)*(ptrs1++), Z = z + (int)*(ptrs2++); - if (X>=0 && X=0 && Y=0 && Z=1) // Linear interpolation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - const T *ptrs = data(0,y,z,c); - cimg_forX(res,x) res.set_linear_atXYZ(*(ptrs++),(float)*(ptrs0++),(float)*(ptrs1++),(float)*(ptrs2++),c); - } - else // Nearest-neighbor interpolation. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - const T *ptrs = data(0,y,z,c); - cimg_forX(res,x) { - const int X = (int)*(ptrs0++), Y = (int)*(ptrs1++), Z = (int)*(ptrs2++); - if (X>=0 && X=0 && Y=0 && Z=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_cubic_atXYZ(cimg::mod(x - (float)*(ptrs0++),(float)_width), - cimg::mod(y - (float)*(ptrs1++),(float)_height), - cimg::mod(z - (float)*(ptrs2++),(float)_depth),c); - } - else if (boundary_conditions==1) // Neumann boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) - *(ptrd++) = (T)_cubic_atXYZ(x - (float)*(ptrs0++),y - (float)*(ptrs1++),z - (float)*(ptrs2++),c); - } - else // Dirichlet boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) - *(ptrd++) = (T)cubic_atXYZ(x - (float)*(ptrs0++),y - (float)*(ptrs1++),z - (float)*(ptrs2++),c,0); - } - } else if (interpolation==1) { // Linear interpolation. - if (boundary_conditions==2) // Periodic boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_linear_atXYZ(cimg::mod(x - (float)*(ptrs0++),(float)_width), - cimg::mod(y - (float)*(ptrs1++),(float)_height), - cimg::mod(z - (float)*(ptrs2++),(float)_depth),c); - } - else if (boundary_conditions==1) // Neumann boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) - *(ptrd++) = (T)_linear_atXYZ(x - (float)*(ptrs0++),y - (float)*(ptrs1++),z - (float)*(ptrs2++),c); - } - else // Dirichlet boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) - *(ptrd++) = (T)linear_atXYZ(x - (float)*(ptrs0++),y - (float)*(ptrs1++),z - (float)*(ptrs2++),c,0); - } - } else { // Nearest neighbor interpolation. - if (boundary_conditions==2) // Periodic boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (*this)(cimg::mod(x - (int)*(ptrs0++),(int)_width), - cimg::mod(y - (int)*(ptrs1++),(int)_height), - cimg::mod(z - (int)*(ptrs2++),(int)_depth),c); - } - else if (boundary_conditions==1) // Neumann boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = _atXYZ(x - (int)*(ptrs0++),y - (int)*(ptrs1++),z - (int)*(ptrs2++),c); - } - else // Dirichlet boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = atXYZ(x - (int)*(ptrs0++),y - (int)*(ptrs1++),z - (int)*(ptrs2++),c,0); - } - } - } else { // Backward-absolute warp. - if (interpolation==2) { // Cubic interpolation. - if (boundary_conditions==2) // Periodic boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_cubic_atXYZ(cimg::mod((float)*(ptrs0++),(float)_width), - cimg::mod((float)*(ptrs1++),(float)_height), - cimg::mod((float)*(ptrs2++),(float)_depth),c); - } - else if (boundary_conditions==1) // Neumann boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_cubic_atXYZ((float)*(ptrs0++),(float)*(ptrs1++),(float)*(ptrs2++),c); - } - else // Dirichlet boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=4096) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)cubic_atXYZ((float)*(ptrs0++),(float)*(ptrs1++),(float)*(ptrs2++),c,0); - } - } else if (interpolation==1) { // Linear interpolation. - if (boundary_conditions==2) // Periodic boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_linear_atXYZ(cimg::mod((float)*(ptrs0++),(float)_width), - cimg::mod((float)*(ptrs1++),(float)_height), - cimg::mod((float)*(ptrs2++),(float)_depth),c); - } - else if (boundary_conditions==1) // Neumann boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)_linear_atXYZ((float)*(ptrs0++),(float)*(ptrs1++),(float)*(ptrs2++),c); - } - else // Dirichlet boundaries. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (res.size()>=1048576) -#endif - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (T)linear_atXYZ((float)*(ptrs0++),(float)*(ptrs1++),(float)*(ptrs2++),c,0); - } - } else { // Nearest-neighbor interpolation. - if (boundary_conditions==2) // Periodic boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = (*this)(cimg::mod((int)*(ptrs0++),(int)_width), - cimg::mod((int)*(ptrs1++),(int)_height), - cimg::mod((int)*(ptrs2++),(int)_depth),c); - } - else if (boundary_conditions==1) // Neumann boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = _atXYZ((int)*(ptrs0++),(int)*(ptrs1++),(int)*(ptrs2++),c); - } - else // Dirichlet boundaries. - cimg_forYZC(res,y,z,c) { - const t *ptrs0 = warp.data(0,y,z,0), *ptrs1 = warp.data(0,y,z,1), *ptrs2 = warp.data(0,y,z,2); - T *ptrd = res.data(0,y,z,c); - cimg_forX(res,x) *(ptrd++) = atXYZ((int)*(ptrs0++),(int)*(ptrs1++),(int)*(ptrs2++),c,0); - } - } - } - } - return res; - } - - //! Generate a 2d representation of a 3d image, with XY,XZ and YZ views. - /** - \param x0 X-coordinate of the projection point. - \param y0 Y-coordinate of the projection point. - \param z0 Z-coordinate of the projection point. - **/ - CImg get_projections2d(const unsigned int x0, const unsigned int y0, const unsigned int z0) const { - if (is_empty() || _depth<2) return +*this; - const unsigned int - _x0 = (x0>=_width)?_width - 1:x0, - _y0 = (y0>=_height)?_height - 1:y0, - _z0 = (z0>=_depth)?_depth - 1:z0; - const CImg - img_xy = get_crop(0,0,_z0,0,_width - 1,_height - 1,_z0,_spectrum - 1), - img_zy = get_crop(_x0,0,0,0,_x0,_height - 1,_depth - 1,_spectrum - 1).permute_axes("xzyc"). - resize(_depth,_height,1,-100,-1), - img_xz = get_crop(0,_y0,0,0,_width - 1,_y0,_depth - 1,_spectrum - 1).resize(_width,_depth,1,-100,-1); - return CImg(_width + _depth,_height + _depth,1,_spectrum,cimg::min(img_xy.min(),img_zy.min(),img_xz.min())). - draw_image(0,0,img_xy).draw_image(img_xy._width,0,img_zy). - draw_image(0,img_xy._height,img_xz); - } - - //! Construct a 2d representation of a 3d image, with XY,XZ and YZ views \inplace. - CImg& projections2d(const unsigned int x0, const unsigned int y0, const unsigned int z0) { - if (_depth<2) return *this; - return get_projections2d(x0,y0,z0).move_to(*this); - } - - //! Crop image region. - /** - \param x0 = X-coordinate of the upper-left crop rectangle corner. - \param y0 = Y-coordinate of the upper-left crop rectangle corner. - \param z0 = Z-coordinate of the upper-left crop rectangle corner. - \param c0 = C-coordinate of the upper-left crop rectangle corner. - \param x1 = X-coordinate of the lower-right crop rectangle corner. - \param y1 = Y-coordinate of the lower-right crop rectangle corner. - \param z1 = Z-coordinate of the lower-right crop rectangle corner. - \param c1 = C-coordinate of the lower-right crop rectangle corner. - \param boundary_conditions = Dirichlet (false) or Neumann border conditions. - **/ - CImg& crop(const int x0, const int y0, const int z0, const int c0, - const int x1, const int y1, const int z1, const int c1, - const bool boundary_conditions=false) { - return get_crop(x0,y0,z0,c0,x1,y1,z1,c1,boundary_conditions).move_to(*this); - } - - //! Crop image region \newinstance. - CImg get_crop(const int x0, const int y0, const int z0, const int c0, - const int x1, const int y1, const int z1, const int c1, - const bool boundary_conditions=false) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "crop(): Empty instance.", - cimg_instance); - const int - nx0 = x0 res(1U + nx1 - nx0,1U + ny1 - ny0,1U + nz1 - nz0,1U + nc1 - nc0); - if (nx0<0 || nx1>=width() || ny0<0 || ny1>=height() || nz0<0 || nz1>=depth() || nc0<0 || nc1>=spectrum()) { - if (boundary_conditions) cimg_forXYZC(res,x,y,z,c) res(x,y,z,c) = _atXYZC(nx0 + x,ny0 + y,nz0 + z,nc0 + c); - else res.fill(0).draw_image(-nx0,-ny0,-nz0,-nc0,*this); - } else res.draw_image(-nx0,-ny0,-nz0,-nc0,*this); - return res; - } - - //! Crop image region \overloading. - CImg& crop(const int x0, const int y0, const int z0, - const int x1, const int y1, const int z1, - const bool boundary_conditions=false) { - return crop(x0,y0,z0,0,x1,y1,z1,_spectrum - 1,boundary_conditions); - } - - //! Crop image region \newinstance. - CImg get_crop(const int x0, const int y0, const int z0, - const int x1, const int y1, const int z1, - const bool boundary_conditions=false) const { - return get_crop(x0,y0,z0,0,x1,y1,z1,_spectrum - 1,boundary_conditions); - } - - //! Crop image region \overloading. - CImg& crop(const int x0, const int y0, - const int x1, const int y1, - const bool boundary_conditions=false) { - return crop(x0,y0,0,0,x1,y1,_depth - 1,_spectrum - 1,boundary_conditions); - } - - //! Crop image region \newinstance. - CImg get_crop(const int x0, const int y0, - const int x1, const int y1, - const bool boundary_conditions=false) const { - return get_crop(x0,y0,0,0,x1,y1,_depth - 1,_spectrum - 1,boundary_conditions); - } - - //! Crop image region \overloading. - CImg& crop(const int x0, const int x1, const bool boundary_conditions=false) { - return crop(x0,0,0,0,x1,_height - 1,_depth - 1,_spectrum - 1,boundary_conditions); - } - - //! Crop image region \newinstance. - CImg get_crop(const int x0, const int x1, const bool boundary_conditions=false) const { - return get_crop(x0,0,0,0,x1,_height - 1,_depth - 1,_spectrum - 1,boundary_conditions); - } - - //! Autocrop image region, regarding the specified background value. - CImg& autocrop(const T& value, const char *const axes="czyx") { - if (is_empty()) return *this; - for (const char *s = axes; *s; ++s) { - const char axis = cimg::uncase(*s); - const CImg coords = _autocrop(value,axis); - if (coords[0]==-1 && coords[1]==-1) return assign(); // Image has only 'value' pixels. - else switch (axis) { - case 'x' : { - const int x0 = coords[0], x1 = coords[1]; - if (x0>=0 && x1>=0) crop(x0,x1); - } break; - case 'y' : { - const int y0 = coords[0], y1 = coords[1]; - if (y0>=0 && y1>=0) crop(0,y0,_width - 1,y1); - } break; - case 'z' : { - const int z0 = coords[0], z1 = coords[1]; - if (z0>=0 && z1>=0) crop(0,0,z0,_width - 1,_height - 1,z1); - } break; - default : { - const int c0 = coords[0], c1 = coords[1]; - if (c0>=0 && c1>=0) crop(0,0,0,c0,_width - 1,_height - 1,_depth - 1,c1); - } - } - } - return *this; - } - - //! Autocrop image region, regarding the specified background value \newinstance. - CImg get_autocrop(const T& value, const char *const axes="czyx") const { - return (+*this).autocrop(value,axes); - } - - //! Autocrop image region, regarding the specified background color. - /** - \param color Color used for the crop. If \c 0, color is guessed. - \param axes Axes used for the crop. - **/ - CImg& autocrop(const T *const color=0, const char *const axes="zyx") { - if (is_empty()) return *this; - if (!color) { // Guess color. - const CImg col1 = get_vector_at(0,0,0); - const unsigned int w = _width, h = _height, d = _depth, s = _spectrum; - autocrop(col1,axes); - if (_width==w && _height==h && _depth==d && _spectrum==s) { - const CImg col2 = get_vector_at(w - 1,h - 1,d - 1); - autocrop(col2,axes); - } - return *this; - } - for (const char *s = axes; *s; ++s) { - const char axis = cimg::uncase(*s); - switch (axis) { - case 'x' : { - int x0 = width(), x1 = -1; - cimg_forC(*this,c) { - const CImg coords = get_shared_channel(c)._autocrop(color[c],'x'); - const int nx0 = coords[0], nx1 = coords[1]; - if (nx0>=0 && nx1>=0) { x0 = cimg::min(x0,nx0); x1 = cimg::max(x1,nx1); } - } - if (x0==width() && x1==-1) return assign(); else crop(x0,x1); - } break; - case 'y' : { - int y0 = height(), y1 = -1; - cimg_forC(*this,c) { - const CImg coords = get_shared_channel(c)._autocrop(color[c],'y'); - const int ny0 = coords[0], ny1 = coords[1]; - if (ny0>=0 && ny1>=0) { y0 = cimg::min(y0,ny0); y1 = cimg::max(y1,ny1); } - } - if (y0==height() && y1==-1) return assign(); else crop(0,y0,_width - 1,y1); - } break; - default : { - int z0 = depth(), z1 = -1; - cimg_forC(*this,c) { - const CImg coords = get_shared_channel(c)._autocrop(color[c],'z'); - const int nz0 = coords[0], nz1 = coords[1]; - if (nz0>=0 && nz1>=0) { z0 = cimg::min(z0,nz0); z1 = cimg::max(z1,nz1); } - } - if (z0==depth() && z1==-1) return assign(); else crop(0,0,z0,_width - 1,_height - 1,z1); - } - } - } - return *this; - } - - //! Autocrop image region, regarding the specified background color \newinstance. - CImg get_autocrop(const T *const color=0, const char *const axes="zyx") const { - return (+*this).autocrop(color,axes); - } - - //! Autocrop image region, regarding the specified background color \overloading. - template CImg& autocrop(const CImg& color, const char *const axes="zyx") { - return get_autocrop(color,axes).move_to(*this); - } - - //! Autocrop image region, regarding the specified background color \newinstance. - template CImg get_autocrop(const CImg& color, const char *const axes="zyx") const { - return get_autocrop(color._data,axes); - } - - CImg _autocrop(const T& value, const char axis) const { - CImg res; - switch (cimg::uncase(axis)) { - case 'x' : { - int x0 = -1, x1 = -1; - cimg_forX(*this,x) cimg_forYZC(*this,y,z,c) - if ((*this)(x,y,z,c)!=value) { x0 = x; x = width(); y = height(); z = depth(); c = spectrum(); } - if (x0>=0) { - for (int x = width() - 1; x>=0; --x) cimg_forYZC(*this,y,z,c) - if ((*this)(x,y,z,c)!=value) { x1 = x; x = 0; y = height(); z = depth(); c = spectrum(); } - } - res = CImg::vector(x0,x1); - } break; - case 'y' : { - int y0 = -1, y1 = -1; - cimg_forY(*this,y) cimg_forXZC(*this,x,z,c) - if ((*this)(x,y,z,c)!=value) { y0 = y; x = width(); y = height(); z = depth(); c = spectrum(); } - if (y0>=0) { - for (int y = height() - 1; y>=0; --y) cimg_forXZC(*this,x,z,c) - if ((*this)(x,y,z,c)!=value) { y1 = y; x = width(); y = 0; z = depth(); c = spectrum(); } - } - res = CImg::vector(y0,y1); - } break; - case 'z' : { - int z0 = -1, z1 = -1; - cimg_forZ(*this,z) cimg_forXYC(*this,x,y,c) - if ((*this)(x,y,z,c)!=value) { z0 = z; x = width(); y = height(); z = depth(); c = spectrum(); } - if (z0>=0) { - for (int z = depth() - 1; z>=0; --z) cimg_forXYC(*this,x,y,c) - if ((*this)(x,y,z,c)!=value) { z1 = z; x = width(); y = height(); z = 0; c = spectrum(); } - } - res = CImg::vector(z0,z1); - } break; - default : { - int c0 = -1, c1 = -1; - cimg_forC(*this,c) cimg_forXYZ(*this,x,y,z) - if ((*this)(x,y,z,c)!=value) { c0 = c; x = width(); y = height(); z = depth(); c = spectrum(); } - if (c0>=0) { - for (int c = spectrum() - 1; c>=0; --c) cimg_forXYZ(*this,x,y,z) - if ((*this)(x,y,z,c)!=value) { c1 = c; x = width(); y = height(); z = depth(); c = 0; } - } - res = CImg::vector(c0,c1); - } - } - return res; - } - - //! Return specified image column. - /** - \param x0 Image column. - **/ - CImg get_column(const int x0) const { - return get_columns(x0,x0); - } - - //! Return specified image column \inplace. - CImg& column(const int x0) { - return columns(x0,x0); - } - - //! Return specified range of image columns. - /** - \param x0 Starting image column. - \param x1 Ending image column. - **/ - CImg& columns(const int x0, const int x1) { - return get_columns(x0,x1).move_to(*this); - } - - //! Return specified range of image columns \inplace. - CImg get_columns(const int x0, const int x1) const { - return get_crop(x0,0,0,0,x1,height() - 1,depth() - 1,spectrum() - 1); - } - - //! Return specified image row. - CImg get_row(const int y0) const { - return get_rows(y0,y0); - } - - //! Return specified image row \inplace. - /** - \param y0 Image row. - **/ - CImg& row(const int y0) { - return rows(y0,y0); - } - - //! Return specified range of image rows. - /** - \param y0 Starting image row. - \param y1 Ending image row. - **/ - CImg get_rows(const int y0, const int y1) const { - return get_crop(0,y0,0,0,width() - 1,y1,depth() - 1,spectrum() - 1); - } - - //! Return specified range of image rows \inplace. - CImg& rows(const int y0, const int y1) { - return get_rows(y0,y1).move_to(*this); - } - - //! Return specified image slice. - /** - \param z0 Image slice. - **/ - CImg get_slice(const int z0) const { - return get_slices(z0,z0); - } - - //! Return specified image slice \inplace. - CImg& slice(const int z0) { - return slices(z0,z0); - } - - //! Return specified range of image slices. - /** - \param z0 Starting image slice. - \param z1 Ending image slice. - **/ - CImg get_slices(const int z0, const int z1) const { - return get_crop(0,0,z0,0,width() - 1,height() - 1,z1,spectrum() - 1); - } - - //! Return specified range of image slices \inplace. - CImg& slices(const int z0, const int z1) { - return get_slices(z0,z1).move_to(*this); - } - - //! Return specified image channel. - /** - \param c0 Image channel. - **/ - CImg get_channel(const int c0) const { - return get_channels(c0,c0); - } - - //! Return specified image channel \inplace. - CImg& channel(const int c0) { - return channels(c0,c0); - } - - //! Return specified range of image channels. - /** - \param c0 Starting image channel. - \param c1 Ending image channel. - **/ - CImg get_channels(const int c0, const int c1) const { - return get_crop(0,0,0,c0,width() - 1,height() - 1,depth() - 1,c1); - } - - //! Return specified range of image channels \inplace. - CImg& channels(const int c0, const int c1) { - return get_channels(c0,c1).move_to(*this); - } - - //! Return stream line of a 2d or 3d vector field. - CImg get_streamline(const float x, const float y, const float z, - const float L=256, const float dl=0.1f, - const unsigned int interpolation_type=2, const bool is_backward_tracking=false, - const bool is_oriented_only=false) const { - if (_spectrum!=2 && _spectrum!=3) - throw CImgInstanceException(_cimg_instance - "streamline(): Instance is not a 2d or 3d vector field.", - cimg_instance); - if (_spectrum==2) { - if (is_oriented_only) { - typename CImg::_functor4d_streamline2d_oriented func(*this); - return streamline(func,x,y,z,L,dl,interpolation_type,is_backward_tracking,true, - 0,0,0,_width - 1.0f,_height - 1.0f,0.0f); - } else { - typename CImg::_functor4d_streamline2d_directed func(*this); - return streamline(func,x,y,z,L,dl,interpolation_type,is_backward_tracking,false, - 0,0,0,_width - 1.0f,_height - 1.0f,0.0f); - } - } - if (is_oriented_only) { - typename CImg::_functor4d_streamline3d_oriented func(*this); - return streamline(func,x,y,z,L,dl,interpolation_type,is_backward_tracking,true, - 0,0,0,_width - 1.0f,_height - 1.0f,_depth - 1.0f); - } - typename CImg::_functor4d_streamline3d_directed func(*this); - return streamline(func,x,y,z,L,dl,interpolation_type,is_backward_tracking,false, - 0,0,0,_width - 1.0f,_height - 1.0f,_depth - 1.0f); - } - - //! Return stream line of a 3d vector field. - /** - \param func Vector field function. - \param x X-coordinate of the starting point of the streamline. - \param y Y-coordinate of the starting point of the streamline. - \param z Z-coordinate of the starting point of the streamline. - \param L Streamline length. - \param dl Streamline length increment. - \param interpolation_type Type of interpolation. - Can be { 0=nearest int | 1=linear | 2=2nd-order RK | 3=4th-order RK. }. - \param is_backward_tracking Tells if the streamline is estimated forward or backward. - \param is_oriented_only Tells if the direction of the vectors must be ignored. - \param x0 X-coordinate of the first bounding-box vertex. - \param y0 Y-coordinate of the first bounding-box vertex. - \param z0 Z-coordinate of the first bounding-box vertex. - \param x1 X-coordinate of the second bounding-box vertex. - \param y1 Y-coordinate of the second bounding-box vertex. - \param z1 Z-coordinate of the second bounding-box vertex. - **/ - template - static CImg streamline(const tfunc& func, - const float x, const float y, const float z, - const float L=256, const float dl=0.1f, - const unsigned int interpolation_type=2, const bool is_backward_tracking=false, - const bool is_oriented_only=false, - const float x0=0, const float y0=0, const float z0=0, - const float x1=0, const float y1=0, const float z1=0) { - if (dl<=0) - throw CImgArgumentException("CImg<%s>::streamline(): Invalid specified integration length %g " - "(should be >0).", - pixel_type(), - dl); - - const bool is_bounded = (x0!=x1 || y0!=y1 || z0!=z1); - if (L<=0 || (is_bounded && (xx1 || yy1 || zz1))) return CImg(); - const unsigned int size_L = (unsigned int)cimg::round(L/dl + 1); - CImg coordinates(size_L,3); - const float dl2 = dl/2; - float - *ptr_x = coordinates.data(0,0), - *ptr_y = coordinates.data(0,1), - *ptr_z = coordinates.data(0,2), - pu = (float)(dl*func(x,y,z,0)), - pv = (float)(dl*func(x,y,z,1)), - pw = (float)(dl*func(x,y,z,2)), - X = x, Y = y, Z = z; - - switch (interpolation_type) { - case 0 : { // Nearest integer interpolation. - cimg_forX(coordinates,l) { - *(ptr_x++) = X; *(ptr_y++) = Y; *(ptr_z++) = Z; - const int - xi = (int)(X>0?X + 0.5f:X - 0.5f), - yi = (int)(Y>0?Y + 0.5f:Y - 0.5f), - zi = (int)(Z>0?Z + 0.5f:Z - 0.5f); - float - u = (float)(dl*func((float)xi,(float)yi,(float)zi,0)), - v = (float)(dl*func((float)xi,(float)yi,(float)zi,1)), - w = (float)(dl*func((float)xi,(float)yi,(float)zi,2)); - if (is_oriented_only && u*pu + v*pv + w*pw<0) { u = -u; v = -v; w = -w; } - if (is_backward_tracking) { X-=(pu=u); Y-=(pv=v); Z-=(pw=w); } else { X+=(pu=u); Y+=(pv=v); Z+=(pw=w); } - if (is_bounded && (Xx1 || Yy1 || Zz1)) break; - } - } break; - case 1 : { // First-order interpolation. - cimg_forX(coordinates,l) { - *(ptr_x++) = X; *(ptr_y++) = Y; *(ptr_z++) = Z; - float - u = (float)(dl*func(X,Y,Z,0)), - v = (float)(dl*func(X,Y,Z,1)), - w = (float)(dl*func(X,Y,Z,2)); - if (is_oriented_only && u*pu + v*pv + w*pw<0) { u = -u; v = -v; w = -w; } - if (is_backward_tracking) { X-=(pu=u); Y-=(pv=v); Z-=(pw=w); } else { X+=(pu=u); Y+=(pv=v); Z+=(pw=w); } - if (is_bounded && (Xx1 || Yy1 || Zz1)) break; - } - } break; - case 2 : { // Second order interpolation. - cimg_forX(coordinates,l) { - *(ptr_x++) = X; *(ptr_y++) = Y; *(ptr_z++) = Z; - float - u0 = (float)(dl2*func(X,Y,Z,0)), - v0 = (float)(dl2*func(X,Y,Z,1)), - w0 = (float)(dl2*func(X,Y,Z,2)); - if (is_oriented_only && u0*pu + v0*pv + w0*pw<0) { u0 = -u0; v0 = -v0; w0 = -w0; } - float - u = (float)(dl*func(X + u0,Y + v0,Z + w0,0)), - v = (float)(dl*func(X + u0,Y + v0,Z + w0,1)), - w = (float)(dl*func(X + u0,Y + v0,Z + w0,2)); - if (is_oriented_only && u*pu + v*pv + w*pw<0) { u = -u; v = -v; w = -w; } - if (is_backward_tracking) { X-=(pu=u); Y-=(pv=v); Z-=(pw=w); } else { X+=(pu=u); Y+=(pv=v); Z+=(pw=w); } - if (is_bounded && (Xx1 || Yy1 || Zz1)) break; - } - } break; - default : { // Fourth order interpolation. - cimg_forX(coordinates,x) { - *(ptr_x++) = X; *(ptr_y++) = Y; *(ptr_z++) = Z; - float - u0 = (float)(dl2*func(X,Y,Z,0)), - v0 = (float)(dl2*func(X,Y,Z,1)), - w0 = (float)(dl2*func(X,Y,Z,2)); - if (is_oriented_only && u0*pu + v0*pv + w0*pw<0) { u0 = -u0; v0 = -v0; w0 = -w0; } - float - u1 = (float)(dl2*func(X + u0,Y + v0,Z + w0,0)), - v1 = (float)(dl2*func(X + u0,Y + v0,Z + w0,1)), - w1 = (float)(dl2*func(X + u0,Y + v0,Z + w0,2)); - if (is_oriented_only && u1*pu + v1*pv + w1*pw<0) { u1 = -u1; v1 = -v1; w1 = -w1; } - float - u2 = (float)(dl2*func(X + u1,Y + v1,Z + w1,0)), - v2 = (float)(dl2*func(X + u1,Y + v1,Z + w1,1)), - w2 = (float)(dl2*func(X + u1,Y + v1,Z + w1,2)); - if (is_oriented_only && u2*pu + v2*pv + w2*pw<0) { u2 = -u2; v2 = -v2; w2 = -w2; } - float - u3 = (float)(dl2*func(X + u2,Y + v2,Z + w2,0)), - v3 = (float)(dl2*func(X + u2,Y + v2,Z + w2,1)), - w3 = (float)(dl2*func(X + u2,Y + v2,Z + w2,2)); - if (is_oriented_only && u2*pu + v2*pv + w2*pw<0) { u3 = -u3; v3 = -v3; w3 = -w3; } - const float - u = (u0 + u3)/3 + (u1 + u2)/1.5f, - v = (v0 + v3)/3 + (v1 + v2)/1.5f, - w = (w0 + w3)/3 + (w1 + w2)/1.5f; - if (is_backward_tracking) { X-=(pu=u); Y-=(pv=v); Z-=(pw=w); } else { X+=(pu=u); Y+=(pv=v); Z+=(pw=w); } - if (is_bounded && (Xx1 || Yy1 || Zz1)) break; - } - } - } - if (ptr_x!=coordinates.data(0,1)) coordinates.resize((int)(ptr_x-coordinates.data()),3,1,1,0); - return coordinates; - } - - //! Return stream line of a 3d vector field \overloading. - static CImg streamline(const char *const expression, - const float x, const float y, const float z, - const float L=256, const float dl=0.1f, - const unsigned int interpolation_type=2, const bool is_backward_tracking=true, - const bool is_oriented_only=false, - const float x0=0, const float y0=0, const float z0=0, - const float x1=0, const float y1=0, const float z1=0) { - _functor4d_streamline_expr func(expression); - return streamline(func,x,y,z,L,dl,interpolation_type,is_backward_tracking,is_oriented_only,x0,y0,z0,x1,y1,z1); - } - - struct _functor4d_streamline2d_directed { - const CImg& ref; - _functor4d_streamline2d_directed(const CImg& pref):ref(pref) {} - float operator()(const float x, const float y, const float z, const unsigned int c) const { - return c<2?(float)ref._linear_atXY(x,y,(int)z,c):0; - } - }; - - struct _functor4d_streamline3d_directed { - const CImg& ref; - _functor4d_streamline3d_directed(const CImg& pref):ref(pref) {} - float operator()(const float x, const float y, const float z, const unsigned int c) const { - return (float)ref._linear_atXYZ(x,y,z,c); - } - }; - - struct _functor4d_streamline2d_oriented { - const CImg& ref; - CImg *pI; - _functor4d_streamline2d_oriented(const CImg& pref):ref(pref),pI(0) { pI = new CImg(2,2,1,2); } - ~_functor4d_streamline2d_oriented() { delete pI; } - float operator()(const float x, const float y, const float z, const unsigned int c) const { -#define _cimg_vecalign2d(i,j) \ - if (I(i,j,0)*I(0,0,0) + I(i,j,1)*I(0,0,1)<0) { I(i,j,0) = -I(i,j,0); I(i,j,1) = -I(i,j,1); } - int - xi = (int)x - (x>=0?0:1), nxi = xi + 1, - yi = (int)y - (y>=0?0:1), nyi = yi + 1, - zi = (int)z; - const float - dx = x - xi, - dy = y - yi; - if (c==0) { - CImg& I = *pI; - if (xi<0) xi = 0; if (nxi<0) nxi = 0; - if (xi>=ref.width()) xi = ref.width() - 1; if (nxi>=ref.width()) nxi = ref.width() - 1; - if (yi<0) yi = 0; if (nyi<0) nyi = 0; - if (yi>=ref.height()) yi = ref.height() - 1; if (nyi>=ref.height()) nyi = ref.height() - 1; - I(0,0,0) = (float)ref(xi,yi,zi,0); I(0,0,1) = (float)ref(xi,yi,zi,1); - I(1,0,0) = (float)ref(nxi,yi,zi,0); I(1,0,1) = (float)ref(nxi,yi,zi,1); - I(1,1,0) = (float)ref(nxi,nyi,zi,0); I(1,1,1) = (float)ref(nxi,nyi,zi,1); - I(0,1,0) = (float)ref(xi,nyi,zi,0); I(0,1,1) = (float)ref(xi,nyi,zi,1); - _cimg_vecalign2d(1,0); _cimg_vecalign2d(1,1); _cimg_vecalign2d(0,1); - } - return c<2?(float)pI->_linear_atXY(dx,dy,0,c):0; - } - }; - - struct _functor4d_streamline3d_oriented { - const CImg& ref; - CImg *pI; - _functor4d_streamline3d_oriented(const CImg& pref):ref(pref),pI(0) { pI = new CImg(2,2,2,3); } - ~_functor4d_streamline3d_oriented() { delete pI; } - float operator()(const float x, const float y, const float z, const unsigned int c) const { -#define _cimg_vecalign3d(i,j,k) if (I(i,j,k,0)*I(0,0,0,0) + I(i,j,k,1)*I(0,0,0,1) + I(i,j,k,2)*I(0,0,0,2)<0) { \ - I(i,j,k,0) = -I(i,j,k,0); I(i,j,k,1) = -I(i,j,k,1); I(i,j,k,2) = -I(i,j,k,2); } - int - xi = (int)x - (x>=0?0:1), nxi = xi + 1, - yi = (int)y - (y>=0?0:1), nyi = yi + 1, - zi = (int)z - (z>=0?0:1), nzi = zi + 1; - const float - dx = x - xi, - dy = y - yi, - dz = z - zi; - if (c==0) { - CImg& I = *pI; - if (xi<0) xi = 0; if (nxi<0) nxi = 0; - if (xi>=ref.width()) xi = ref.width() - 1; if (nxi>=ref.width()) nxi = ref.width() - 1; - if (yi<0) yi = 0; if (nyi<0) nyi = 0; - if (yi>=ref.height()) yi = ref.height() - 1; if (nyi>=ref.height()) nyi = ref.height() - 1; - if (zi<0) zi = 0; if (nzi<0) nzi = 0; - if (zi>=ref.depth()) zi = ref.depth() - 1; if (nzi>=ref.depth()) nzi = ref.depth() - 1; - I(0,0,0,0) = (float)ref(xi,yi,zi,0); I(0,0,0,1) = (float)ref(xi,yi,zi,1); - I(0,0,0,2) = (float)ref(xi,yi,zi,2); I(1,0,0,0) = (float)ref(nxi,yi,zi,0); - I(1,0,0,1) = (float)ref(nxi,yi,zi,1); I(1,0,0,2) = (float)ref(nxi,yi,zi,2); - I(1,1,0,0) = (float)ref(nxi,nyi,zi,0); I(1,1,0,1) = (float)ref(nxi,nyi,zi,1); - I(1,1,0,2) = (float)ref(nxi,nyi,zi,2); I(0,1,0,0) = (float)ref(xi,nyi,zi,0); - I(0,1,0,1) = (float)ref(xi,nyi,zi,1); I(0,1,0,2) = (float)ref(xi,nyi,zi,2); - I(0,0,1,0) = (float)ref(xi,yi,nzi,0); I(0,0,1,1) = (float)ref(xi,yi,nzi,1); - I(0,0,1,2) = (float)ref(xi,yi,nzi,2); I(1,0,1,0) = (float)ref(nxi,yi,nzi,0); - I(1,0,1,1) = (float)ref(nxi,yi,nzi,1); I(1,0,1,2) = (float)ref(nxi,yi,nzi,2); - I(1,1,1,0) = (float)ref(nxi,nyi,nzi,0); I(1,1,1,1) = (float)ref(nxi,nyi,nzi,1); - I(1,1,1,2) = (float)ref(nxi,nyi,nzi,2); I(0,1,1,0) = (float)ref(xi,nyi,nzi,0); - I(0,1,1,1) = (float)ref(xi,nyi,nzi,1); I(0,1,1,2) = (float)ref(xi,nyi,nzi,2); - _cimg_vecalign3d(1,0,0); _cimg_vecalign3d(1,1,0); _cimg_vecalign3d(0,1,0); - _cimg_vecalign3d(0,0,1); _cimg_vecalign3d(1,0,1); _cimg_vecalign3d(1,1,1); _cimg_vecalign3d(0,1,1); - } - return (float)pI->_linear_atXYZ(dx,dy,dz,c); - } - }; - - struct _functor4d_streamline_expr { - _cimg_math_parser *mp; - ~_functor4d_streamline_expr() { delete mp; } - _functor4d_streamline_expr(const char *const expr):mp(0) { - mp = new _cimg_math_parser(expr,"streamline",CImg::const_empty(),0); - } - float operator()(const float x, const float y, const float z, const unsigned int c) const { - return (float)(*mp)(x,y,z,c); - } - }; - - //! Return a shared-memory image referencing a range of pixels of the image instance. - /** - \param x0 X-coordinate of the starting pixel. - \param x1 X-coordinate of the ending pixel. - \param y0 Y-coordinate. - \param z0 Z-coordinate. - \param c0 C-coordinate. - **/ - CImg get_shared_points(const unsigned int x0, const unsigned int x1, - const unsigned int y0=0, const unsigned int z0=0, const unsigned int c0=0) { - const unsigned int - beg = (unsigned int)offset(x0,y0,z0,c0), - end = (unsigned int)offset(x1,y0,z0,c0); - if (beg>end || beg>=size() || end>=size()) - throw CImgArgumentException(_cimg_instance - "get_shared_points(): Invalid request of a shared-memory subset (%u->%u,%u,%u,%u).", - cimg_instance, - x0,x1,y0,z0,c0); - - return CImg(_data + beg,x1 - x0 + 1,1,1,1,true); - } - - //! Return a shared-memory image referencing a range of pixels of the image instance \const. - const CImg get_shared_points(const unsigned int x0, const unsigned int x1, - const unsigned int y0=0, const unsigned int z0=0, const unsigned int c0=0) const { - const unsigned int - beg = (unsigned int)offset(x0,y0,z0,c0), - end = (unsigned int)offset(x1,y0,z0,c0); - if (beg>end || beg>=size() || end>=size()) - throw CImgArgumentException(_cimg_instance - "get_shared_points(): Invalid request of a shared-memory subset (%u->%u,%u,%u,%u).", - cimg_instance, - x0,x1,y0,z0,c0); - - return CImg(_data + beg,x1 - x0 + 1,1,1,1,true); - } - - //! Return a shared-memory image referencing a range of rows of the image instance. - /** - \param y0 Y-coordinate of the starting row. - \param y1 Y-coordinate of the ending row. - \param z0 Z-coordinate. - \param c0 C-coordinate. - **/ - CImg get_shared_rows(const unsigned int y0, const unsigned int y1, - const unsigned int z0=0, const unsigned int c0=0) { - const unsigned int - beg = (unsigned int)offset(0,y0,z0,c0), - end = (unsigned int)offset(0,y1,z0,c0); - if (beg>end || beg>=size() || end>=size()) - throw CImgArgumentException(_cimg_instance - "get_shared_rows(): Invalid request of a shared-memory subset " - "(0->%u,%u->%u,%u,%u).", - cimg_instance, - _width - 1,y0,y1,z0,c0); - - return CImg(_data + beg,_width,y1 - y0 + 1,1,1,true); - } - - //! Return a shared-memory image referencing a range of rows of the image instance \const. - const CImg get_shared_rows(const unsigned int y0, const unsigned int y1, - const unsigned int z0=0, const unsigned int c0=0) const { - const unsigned int - beg = (unsigned int)offset(0,y0,z0,c0), - end = (unsigned int)offset(0,y1,z0,c0); - if (beg>end || beg>=size() || end>=size()) - throw CImgArgumentException(_cimg_instance - "get_shared_rows(): Invalid request of a shared-memory subset " - "(0->%u,%u->%u,%u,%u).", - cimg_instance, - _width - 1,y0,y1,z0,c0); - - return CImg(_data + beg,_width,y1 - y0 + 1,1,1,true); - } - - //! Return a shared-memory image referencing one row of the image instance. - /** - \param y0 Y-coordinate. - \param z0 Z-coordinate. - \param c0 C-coordinate. - **/ - CImg get_shared_row(const unsigned int y0, const unsigned int z0=0, const unsigned int c0=0) { - return get_shared_rows(y0,y0,z0,c0); - } - - //! Return a shared-memory image referencing one row of the image instance \const. - const CImg get_shared_row(const unsigned int y0, const unsigned int z0=0, const unsigned int c0=0) const { - return get_shared_rows(y0,y0,z0,c0); - } - - //! Return a shared memory image referencing a range of slices of the image instance. - /** - \param z0 Z-coordinate of the starting slice. - \param z1 Z-coordinate of the ending slice. - \param c0 C-coordinate. - **/ - CImg get_shared_slices(const unsigned int z0, const unsigned int z1, const unsigned int c0=0) { - const unsigned int - beg = (unsigned int)offset(0,0,z0,c0), - end = (unsigned int)offset(0,0,z1,c0); - if (beg>end || beg>=size() || end>=size()) - throw CImgArgumentException(_cimg_instance - "get_shared_slices(): Invalid request of a shared-memory subset " - "(0->%u,0->%u,%u->%u,%u).", - cimg_instance, - _width - 1,_height - 1,z0,z1,c0); - - return CImg(_data + beg,_width,_height,z1 - z0 + 1,1,true); - } - - //! Return a shared memory image referencing a range of slices of the image instance \const. - const CImg get_shared_slices(const unsigned int z0, const unsigned int z1, const unsigned int c0=0) const { - const unsigned int - beg = (unsigned int)offset(0,0,z0,c0), - end = (unsigned int)offset(0,0,z1,c0); - if (beg>end || beg>=size() || end>=size()) - throw CImgArgumentException(_cimg_instance - "get_shared_slices(): Invalid request of a shared-memory subset " - "(0->%u,0->%u,%u->%u,%u).", - cimg_instance, - _width - 1,_height - 1,z0,z1,c0); - - return CImg(_data + beg,_width,_height,z1 - z0 + 1,1,true); - } - - //! Return a shared-memory image referencing one slice of the image instance. - /** - \param z0 Z-coordinate. - \param c0 C-coordinate. - **/ - CImg get_shared_slice(const unsigned int z0, const unsigned int c0=0) { - return get_shared_slices(z0,z0,c0); - } - - //! Return a shared-memory image referencing one slice of the image instance \const. - const CImg get_shared_slice(const unsigned int z0, const unsigned int c0=0) const { - return get_shared_slices(z0,z0,c0); - } - - //! Return a shared-memory image referencing a range of channels of the image instance. - /** - \param c0 C-coordinate of the starting channel. - \param c1 C-coordinate of the ending channel. - **/ - CImg get_shared_channels(const unsigned int c0, const unsigned int c1) { - const unsigned int - beg = (unsigned int)offset(0,0,0,c0), - end = (unsigned int)offset(0,0,0,c1); - if (beg>end || beg>=size() || end>=size()) - throw CImgArgumentException(_cimg_instance - "get_shared_channels(): Invalid request of a shared-memory subset " - "(0->%u,0->%u,0->%u,%u->%u).", - cimg_instance, - _width - 1,_height - 1,_depth - 1,c0,c1); - - return CImg(_data + beg,_width,_height,_depth,c1 - c0 + 1,true); - } - - //! Return a shared-memory image referencing a range of channels of the image instance \const. - const CImg get_shared_channels(const unsigned int c0, const unsigned int c1) const { - const unsigned int - beg = (unsigned int)offset(0,0,0,c0), - end = (unsigned int)offset(0,0,0,c1); - if (beg>end || beg>=size() || end>=size()) - throw CImgArgumentException(_cimg_instance - "get_shared_channels(): Invalid request of a shared-memory subset " - "(0->%u,0->%u,0->%u,%u->%u).", - cimg_instance, - _width - 1,_height - 1,_depth - 1,c0,c1); - - return CImg(_data + beg,_width,_height,_depth,c1 - c0 + 1,true); - } - - //! Return a shared-memory image referencing one channel of the image instance. - /** - \param c0 C-coordinate. - **/ - CImg get_shared_channel(const unsigned int c0) { - return get_shared_channels(c0,c0); - } - - //! Return a shared-memory image referencing one channel of the image instance \const. - const CImg get_shared_channel(const unsigned int c0) const { - return get_shared_channels(c0,c0); - } - - //! Return a shared-memory version of the image instance. - CImg get_shared() { - return CImg(_data,_width,_height,_depth,_spectrum,true); - } - - //! Return a shared-memory version of the image instance \const. - const CImg get_shared() const { - return CImg(_data,_width,_height,_depth,_spectrum,true); - } - - //! Split image into a list along specified axis. - /** - \param axis Splitting axis. Can be { 'x' | 'y' | 'z' | 'c' }. - \param nb Number of splitted parts. - \note - - If \c nb==0, instance image is splitted into blocs of egal values along the specified axis. - - If \c nb<=0, instance image is splitted into blocs of -\c nb pixel wide. - - If \c nb>0, instance image is splitted into \c nb blocs. - **/ - CImgList get_split(const char axis, const int nb=-1) const { - CImgList res; - if (is_empty()) return res; - const char _axis = cimg::uncase(axis); - - if (nb<0) { // Split by bloc size. - const unsigned int dp = (unsigned int)(nb?-nb:1); - switch (_axis) { - case 'x': { - if (_width>dp) { - res.assign(_width/dp + (_width%dp?1:0),1,1); - const unsigned int pe = _width - dp; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(res._width>=128 && _height*_depth*_spectrum>=128) -#endif - for (unsigned int p = 0; pdp) { - res.assign(_height/dp + (_height%dp?1:0),1,1); - const unsigned int pe = _height - dp; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(res._width>=128 && _width*_depth*_spectrum>=128) -#endif - for (unsigned int p = 0; pdp) { - res.assign(_depth/dp + (_depth%dp?1:0),1,1); - const unsigned int pe = _depth - dp; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(res._width>=128 && _width*_height*_spectrum>=128) -#endif - for (unsigned int p = 0; pdp) { - res.assign(_spectrum/dp + (_spectrum%dp?1:0),1,1); - const unsigned int pe = _spectrum - dp; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(res._width>=128 && _width*_height*_depth>=128) -#endif - for (unsigned int p = 0; p0) { // Split by number of (non-homogeneous) blocs. - const unsigned int siz = _axis=='x'?_width:_axis=='y'?_height:_axis=='z'?_depth:_axis=='c'?_spectrum:0; - if ((unsigned int)nb>siz) - throw CImgArgumentException(_cimg_instance - "get_split(): Instance cannot be split along %c-axis into %u blocs.", - cimg_instance, - axis,nb); - if (nb==1) res.assign(*this); - else { - int err = (int)siz; - unsigned int _p = 0; - switch (_axis) { - case 'x' : { - cimg_forX(*this,p) if ((err-=nb)<=0) { - get_crop(_p,0,0,0,p,_height - 1,_depth - 1,_spectrum - 1).move_to(res); - err+=(int)siz; - _p = p + 1U; - } - } break; - case 'y' : { - cimg_forY(*this,p) if ((err-=nb)<=0) { - get_crop(0,_p,0,0,_width - 1,p,_depth - 1,_spectrum - 1).move_to(res); - err+=(int)siz; - _p = p + 1U; - } - } break; - case 'z' : { - cimg_forZ(*this,p) if ((err-=nb)<=0) { - get_crop(0,0,_p,0,_width - 1,_height - 1,p,_spectrum - 1).move_to(res); - err+=(int)siz; - _p = p + 1U; - } - } break; - case 'c' : { - cimg_forC(*this,p) if ((err-=nb)<=0) { - get_crop(0,0,0,_p,_width - 1,_height - 1,_depth - 1,p).move_to(res); - err+=(int)siz; - _p = p + 1U; - } - } - } - } - } else { // Split by egal values according to specified axis. - T current = *_data; - switch (_axis) { - case 'x' : { - int i0 = 0; - cimg_forX(*this,i) - if ((*this)(i)!=current) { get_columns(i0,i - 1).move_to(res); i0 = i; current = (*this)(i); } - get_columns(i0,width() - 1).move_to(res); - } break; - case 'y' : { - int i0 = 0; - cimg_forY(*this,i) - if ((*this)(0,i)!=current) { get_rows(i0,i - 1).move_to(res); i0 = i; current = (*this)(0,i); } - get_rows(i0,height() - 1).move_to(res); - } break; - case 'z' : { - int i0 = 0; - cimg_forZ(*this,i) - if ((*this)(0,0,i)!=current) { get_slices(i0,i - 1).move_to(res); i0 = i; current = (*this)(0,0,i); } - get_slices(i0,depth() - 1).move_to(res); - } break; - case 'c' : { - int i0 = 0; - cimg_forC(*this,i) - if ((*this)(0,0,0,i)!=current) { get_channels(i0,i - 1).move_to(res); i0 = i; current = (*this)(0,0,0,i); } - get_channels(i0,spectrum() - 1).move_to(res); - } break; - default : { - long i0 = 0; - cimg_foroff(*this,i) - if ((*this)[i]!=current) { CImg(_data + i0,1,i - i0).move_to(res); i0 = (long)i; current = (*this)[i]; } - CImg(_data + i0,1,size() - i0).move_to(res); - } - } - } - return res; - } - - //! Split image into a list of sub-images, according to a specified splitting value sequence and optionnally axis. - /** - \param values Splitting value sequence. - \param axis Axis along which the splitting is performed. Can be '0' to ignore axis. - \param keep_values Tells if the splitting sequence must be kept in the splitted blocs. - **/ - template - CImgList get_split(const CImg& values, const char axis=0, const bool keep_values=true) const { - CImgList res; - if (is_empty()) return res; - const unsigned long vsiz = values.size(); - const char _axis = cimg::uncase(axis); - if (!vsiz) return CImgList(*this); - if (vsiz==1) { // Split according to a single value. - const T value = *values; - switch (_axis) { - case 'x' : { - unsigned int i0 = 0, i = 0; - do { - while (i<_width && (*this)(i)==value) ++i; - if (i>i0) { if (keep_values) get_columns(i0,i - 1).move_to(res); i0 = i; } - while (i<_width && (*this)(i)!=value) ++i; - if (i>i0) { get_columns(i0,i - 1).move_to(res); i0 = i; } - } while (i<_width); - } break; - case 'y' : { - unsigned int i0 = 0, i = 0; - do { - while (i<_height && (*this)(0,i)==value) ++i; - if (i>i0) { if (keep_values) get_rows(i0,i - 1).move_to(res); i0 = i; } - while (i<_height && (*this)(0,i)!=value) ++i; - if (i>i0) { get_rows(i0,i - 1).move_to(res); i0 = i; } - } while (i<_height); - } break; - case 'z' : { - unsigned int i0 = 0, i = 0; - do { - while (i<_depth && (*this)(0,0,i)==value) ++i; - if (i>i0) { if (keep_values) get_slices(i0,i - 1).move_to(res); i0 = i; } - while (i<_depth && (*this)(0,0,i)!=value) ++i; - if (i>i0) { get_slices(i0,i - 1).move_to(res); i0 = i; } - } while (i<_depth); - } break; - case 'c' : { - unsigned int i0 = 0, i = 0; - do { - while (i<_spectrum && (*this)(0,0,0,i)==value) ++i; - if (i>i0) { if (keep_values) get_channels(i0,i - 1).move_to(res); i0 = i; } - while (i<_spectrum && (*this)(0,0,0,i)!=value) ++i; - if (i>i0) { get_channels(i0,i - 1).move_to(res); i0 = i; } - } while (i<_spectrum); - } break; - default : { - const unsigned long siz = size(); - unsigned long i0 = 0, i = 0; - do { - while (ii0) { if (keep_values) CImg(_data + i0,1,i - i0).move_to(res); i0 = i; } - while (ii0) { CImg(_data + i0,1,i - i0).move_to(res); i0 = i; } - } while (i=vsiz) j = 0; } - i-=j; - if (i>i1) { - if (i1>i0) get_columns(i0,i1 - 1).move_to(res); - if (keep_values) get_columns(i1,i - 1).move_to(res); - i0 = i; - } else ++i; - } else ++i; - } while (i<_width); - if (i0<_width) get_columns(i0,width() - 1).move_to(res); - } break; - case 'y' : { - unsigned int i0 = 0, i1 = 0, i = 0; - do { - if ((*this)(0,i)==*values) { - i1 = i; j = 0; - while (i<_height && (*this)(0,i)==values[j]) { ++i; if (++j>=vsiz) j = 0; } - i-=j; - if (i>i1) { - if (i1>i0) get_rows(i0,i1 - 1).move_to(res); - if (keep_values) get_rows(i1,i - 1).move_to(res); - i0 = i; - } else ++i; - } else ++i; - } while (i<_height); - if (i0<_height) get_rows(i0,height() - 1).move_to(res); - } break; - case 'z' : { - unsigned int i0 = 0, i1 = 0, i = 0; - do { - if ((*this)(0,0,i)==*values) { - i1 = i; j = 0; - while (i<_depth && (*this)(0,0,i)==values[j]) { ++i; if (++j>=vsiz) j = 0; } - i-=j; - if (i>i1) { - if (i1>i0) get_slices(i0,i1 - 1).move_to(res); - if (keep_values) get_slices(i1,i - 1).move_to(res); - i0 = i; - } else ++i; - } else ++i; - } while (i<_depth); - if (i0<_depth) get_slices(i0,depth() - 1).move_to(res); - } break; - case 'c' : { - unsigned int i0 = 0, i1 = 0, i = 0; - do { - if ((*this)(0,0,0,i)==*values) { - i1 = i; j = 0; - while (i<_spectrum && (*this)(0,0,0,i)==values[j]) { ++i; if (++j>=vsiz) j = 0; } - i-=j; - if (i>i1) { - if (i1>i0) get_channels(i0,i1 - 1).move_to(res); - if (keep_values) get_channels(i1,i - 1).move_to(res); - i0 = i; - } else ++i; - } else ++i; - } while (i<_spectrum); - if (i0<_spectrum) get_channels(i0,spectrum() - 1).move_to(res); - } break; - default : { - unsigned long i0 = 0, i1 = 0, i = 0; - const unsigned long siz = size(); - do { - if ((*this)[i]==*values) { - i1 = i; j = 0; - while (i=vsiz) j = 0; } - i-=j; - if (i>i1) { - if (i1>i0) CImg(_data + i0,1,i1 - i0).move_to(res); - if (keep_values) CImg(_data + i1,1,i - i1).move_to(res); - i0 = i; - } else ++i; - } else ++i; - } while (i(_data + i0,1,siz - i0).move_to(res); - } break; - } - } - return res; - } - - //! Append two images along specified axis. - /** - \param img Image to append with instance image. - \param axis Appending axis. Can be { 'x' | 'y' | 'z' | 'c' }. - \param align Append alignment in \c [0,1]. - **/ - template - CImg& append(const CImg& img, const char axis='x', const float align=0) { - if (is_empty()) return assign(img,false); - if (!img) return *this; - return CImgList(*this,true).insert(img).get_append(axis,align).move_to(*this); - } - - //! Append two images along specified axis \specialization. - CImg& append(const CImg& img, const char axis='x', const float align=0) { - if (is_empty()) return assign(img,false); - if (!img) return *this; - return CImgList(*this,img,true).get_append(axis,align).move_to(*this); - } - - //! Append two images along specified axis \const. - template - CImg<_cimg_Tt> get_append(const CImg& img, const char axis='x', const float align=0) const { - if (is_empty()) return +img; - if (!img) return +*this; - return CImgList<_cimg_Tt>(*this,true).insert(img).get_append(axis,align); - } - - //! Append two images along specified axis \specialization. - CImg get_append(const CImg& img, const char axis='x', const float align=0) const { - if (is_empty()) return +img; - if (!img) return +*this; - return CImgList(*this,img,true).get_append(axis,align); - } - - //@} - //--------------------------------------- - // - //! \name Filtering / Transforms - //@{ - //--------------------------------------- - - //! Correlate image by a mask. - /** - \param mask = the correlation kernel. - \param boundary_conditions = the border condition type (0=zero, 1=dirichlet) - \param is_normalized = enable local normalization. - \note - - The correlation of the image instance \p *this by the mask \p mask is defined to be: - res(x,y,z) = sum_{i,j,k} (*this)(x + i,y + j,z + k)*mask(i,j,k). - **/ - template - CImg& correlate(const CImg& mask, const unsigned int boundary_conditions=1, const bool is_normalized=false) { - if (is_empty() || !mask) return *this; - return get_correlate(mask,boundary_conditions,is_normalized).move_to(*this); - } - - //! Correlate image by a mask \newinstance. - template - CImg<_cimg_Ttfloat> get_correlate(const CImg& mask, const unsigned int boundary_conditions=1, - const bool is_normalized=false) const { - if (is_empty() || !mask) return *this; - typedef _cimg_Ttfloat Ttfloat; - CImg res(_width,_height,_depth,cimg::max(_spectrum,mask._spectrum)); - if (boundary_conditions && mask._width==mask._height && - ((mask._depth==1 && mask._width<=5) || (mask._depth==mask._width && mask._width<=3))) { - // A special optimization is done for 2x2, 3x3, 4x4, 5x5, 2x2x2 and 3x3x3 mask (with boundary_conditions=1) - Ttfloat *ptrd = res._data; - CImg I; - switch (mask._depth) { - case 3 : { - I.assign(27); - cimg_forC(res,c) { - cimg_test_abort(); - const CImg _img = get_shared_channel(c%_spectrum); - const CImg _mask = mask.get_shared_channel(c%mask._spectrum); - if (is_normalized) { - const Ttfloat _M = (Ttfloat)_mask.magnitude(2), M = _M*_M; - cimg_for3x3x3(_img,x,y,z,0,I,T) { - const Ttfloat N = M*(I[ 0]*I[ 0] + I[ 1]*I[ 1] + I[ 2]*I[ 2] + - I[ 3]*I[ 3] + I[ 4]*I[ 4] + I[ 5]*I[ 5] + - I[ 6]*I[ 6] + I[ 7]*I[ 7] + I[ 8]*I[ 8] + - I[ 9]*I[ 9] + I[10]*I[10] + I[11]*I[11] + - I[12]*I[12] + I[13]*I[13] + I[14]*I[14] + - I[15]*I[15] + I[16]*I[16] + I[17]*I[17] + - I[18]*I[18] + I[19]*I[19] + I[20]*I[20] + - I[21]*I[21] + I[22]*I[22] + I[23]*I[23] + - I[24]*I[24] + I[25]*I[25] + I[26]*I[26]); - *(ptrd++) = (Ttfloat)(N?(I[ 0]*_mask[ 0] + I[ 1]*_mask[ 1] + I[ 2]*_mask[ 2] + - I[ 3]*_mask[ 3] + I[ 4]*_mask[ 4] + I[ 5]*_mask[ 5] + - I[ 6]*_mask[ 6] + I[ 7]*_mask[ 7] + I[ 8]*_mask[ 8] + - I[ 9]*_mask[ 9] + I[10]*_mask[10] + I[11]*_mask[11] + - I[12]*_mask[12] + I[13]*_mask[13] + I[14]*_mask[14] + - I[15]*_mask[15] + I[16]*_mask[16] + I[17]*_mask[17] + - I[18]*_mask[18] + I[19]*_mask[19] + I[20]*_mask[20] + - I[21]*_mask[21] + I[22]*_mask[22] + I[23]*_mask[23] + - I[24]*_mask[24] + I[25]*_mask[25] + I[26]*_mask[26])/std::sqrt(N):0); - } - } else cimg_for3x3x3(_img,x,y,z,0,I,T) - *(ptrd++) = (Ttfloat)(I[ 0]*_mask[ 0] + I[ 1]*_mask[ 1] + I[ 2]*_mask[ 2] + - I[ 3]*_mask[ 3] + I[ 4]*_mask[ 4] + I[ 5]*_mask[ 5] + - I[ 6]*_mask[ 6] + I[ 7]*_mask[ 7] + I[ 8]*_mask[ 8] + - I[ 9]*_mask[ 9] + I[10]*_mask[10] + I[11]*_mask[11] + - I[12]*_mask[12] + I[13]*_mask[13] + I[14]*_mask[14] + - I[15]*_mask[15] + I[16]*_mask[16] + I[17]*_mask[17] + - I[18]*_mask[18] + I[19]*_mask[19] + I[20]*_mask[20] + - I[21]*_mask[21] + I[22]*_mask[22] + I[23]*_mask[23] + - I[24]*_mask[24] + I[25]*_mask[25] + I[26]*_mask[26]); - } - } break; - case 2 : { - I.assign(8); - cimg_forC(res,c) { - cimg_test_abort(); - const CImg _img = get_shared_channel(c%_spectrum); - const CImg _mask = mask.get_shared_channel(c%mask._spectrum); - if (is_normalized) { - const Ttfloat _M = (Ttfloat)_mask.magnitude(2), M = _M*_M; - cimg_for2x2x2(_img,x,y,z,0,I,T) { - const Ttfloat N = M*(I[0]*I[0] + I[1]*I[1] + - I[2]*I[2] + I[3]*I[3] + - I[4]*I[4] + I[5]*I[5] + - I[6]*I[6] + I[7]*I[7]); - *(ptrd++) = (Ttfloat)(N?(I[0]*_mask[0] + I[1]*_mask[1] + - I[2]*_mask[2] + I[3]*_mask[3] + - I[4]*_mask[4] + I[5]*_mask[5] + - I[6]*_mask[6] + I[7]*_mask[7])/std::sqrt(N):0); - } - } else cimg_for2x2x2(_img,x,y,z,0,I,T) - *(ptrd++) = (Ttfloat)(I[0]*_mask[0] + I[1]*_mask[1] + - I[2]*_mask[2] + I[3]*_mask[3] + - I[4]*_mask[4] + I[5]*_mask[5] + - I[6]*_mask[6] + I[7]*_mask[7]); - } - } break; - default : - case 1 : - switch (mask._width) { - case 6 : { - I.assign(36); - cimg_forC(res,c) { - cimg_test_abort(); - const CImg _img = get_shared_channel(c%_spectrum); - const CImg _mask = mask.get_shared_channel(c%mask._spectrum); - if (is_normalized) { - const Ttfloat _M = (Ttfloat)_mask.magnitude(2), M = _M*_M; - cimg_forZ(_img,z) cimg_for6x6(_img,x,y,z,0,I,T) { - const Ttfloat N = M*(I[ 0]*I[ 0] + I[ 1]*I[ 1] + I[ 2]*I[ 2] + I[ 3]*I[ 3] + I[ 4]*I[ 4] + - I[ 5]*I[ 5] + I[ 6]*I[ 6] + I[ 7]*I[ 7] + I[ 8]*I[ 8] + I[ 9]*I[ 9] + - I[10]*I[10] + I[11]*I[11] + I[12]*I[12] + I[13]*I[13] + I[14]*I[14] + - I[15]*I[15] + I[16]*I[16] + I[17]*I[17] + I[18]*I[18] + I[19]*I[19] + - I[20]*I[20] + I[21]*I[21] + I[22]*I[22] + I[23]*I[23] + I[24]*I[24] + - I[25]*I[25] + I[26]*I[26] + I[27]*I[27] + I[28]*I[28] + I[29]*I[29] + - I[30]*I[30] + I[31]*I[31] + I[32]*I[32] + I[33]*I[33] + I[34]*I[34] + - I[35]*I[35]); - *(ptrd++) = (Ttfloat)(N?(I[ 0]*_mask[ 0] + I[ 1]*_mask[ 1] + I[ 2]*_mask[ 2] + I[ 3]*_mask[ 3] + - I[ 4]*_mask[ 4] + I[ 5]*_mask[ 5] + I[ 6]*_mask[ 6] + I[ 7]*_mask[ 7] + - I[ 8]*_mask[ 8] + I[ 9]*_mask[ 9] + I[10]*_mask[10] + I[11]*_mask[11] + - I[12]*_mask[12] + I[13]*_mask[13] + I[14]*_mask[14] + I[15]*_mask[15] + - I[16]*_mask[16] + I[17]*_mask[17] + I[18]*_mask[18] + I[19]*_mask[19] + - I[20]*_mask[20] + I[21]*_mask[21] + I[22]*_mask[22] + I[23]*_mask[23] + - I[24]*_mask[24] + I[25]*_mask[25] + I[26]*_mask[26] + I[27]*_mask[27] + - I[28]*_mask[28] + I[29]*_mask[29] + I[30]*_mask[30] + I[31]*_mask[31] + - I[32]*_mask[32] + I[33]*_mask[33] + I[34]*_mask[34] + I[35]*_mask[35])/ - std::sqrt(N):0); - } - } else cimg_forZ(_img,z) cimg_for6x6(_img,x,y,z,0,I,T) - *(ptrd++) = (Ttfloat)(I[ 0]*_mask[ 0] + I[ 1]*_mask[ 1] + I[ 2]*_mask[ 2] + I[ 3]*_mask[ 3] + - I[ 4]*_mask[ 4] + I[ 5]*_mask[ 5] + I[ 6]*_mask[ 6] + I[ 7]*_mask[ 7] + - I[ 8]*_mask[ 8] + I[ 9]*_mask[ 9] + I[10]*_mask[10] + I[11]*_mask[11] + - I[12]*_mask[12] + I[13]*_mask[13] + I[14]*_mask[14] + I[15]*_mask[15] + - I[16]*_mask[16] + I[17]*_mask[17] + I[18]*_mask[18] + I[19]*_mask[19] + - I[20]*_mask[20] + I[21]*_mask[21] + I[22]*_mask[22] + I[23]*_mask[23] + - I[24]*_mask[24] + I[25]*_mask[25] + I[26]*_mask[26] + I[27]*_mask[27] + - I[28]*_mask[28] + I[29]*_mask[29] + I[30]*_mask[30] + I[31]*_mask[31] + - I[32]*_mask[32] + I[33]*_mask[33] + I[34]*_mask[34] + I[35]*_mask[35]); - } - } break; - case 5 : { - I.assign(25); - cimg_forC(res,c) { - cimg_test_abort(); - const CImg _img = get_shared_channel(c%_spectrum); - const CImg _mask = mask.get_shared_channel(c%mask._spectrum); - if (is_normalized) { - const Ttfloat _M = (Ttfloat)_mask.magnitude(2), M = _M*_M; - cimg_forZ(_img,z) cimg_for5x5(_img,x,y,z,0,I,T) { - const Ttfloat N = M*(I[ 0]*I[ 0] + I[ 1]*I[ 1] + I[ 2]*I[ 2] + I[ 3]*I[ 3] + I[ 4]*I[ 4] + - I[ 5]*I[ 5] + I[ 6]*I[ 6] + I[ 7]*I[ 7] + I[ 8]*I[ 8] + I[ 9]*I[ 9] + - I[10]*I[10] + I[11]*I[11] + I[12]*I[12] + I[13]*I[13] + I[14]*I[14] + - I[15]*I[15] + I[16]*I[16] + I[17]*I[17] + I[18]*I[18] + I[19]*I[19] + - I[20]*I[20] + I[21]*I[21] + I[22]*I[22] + I[23]*I[23] + I[24]*I[24]); - *(ptrd++) = (Ttfloat)(N?(I[ 0]*_mask[ 0] + I[ 1]*_mask[ 1] + I[ 2]*_mask[ 2] + I[ 3]*_mask[ 3] + - I[ 4]*_mask[ 4] + I[ 5]*_mask[ 5] + I[ 6]*_mask[ 6] + I[ 7]*_mask[ 7] + - I[ 8]*_mask[ 8] + I[ 9]*_mask[ 9] + I[10]*_mask[10] + I[11]*_mask[11] + - I[12]*_mask[12] + I[13]*_mask[13] + I[14]*_mask[14] + I[15]*_mask[15] + - I[16]*_mask[16] + I[17]*_mask[17] + I[18]*_mask[18] + I[19]*_mask[19] + - I[20]*_mask[20] + I[21]*_mask[21] + I[22]*_mask[22] + I[23]*_mask[23] + - I[24]*_mask[24])/std::sqrt(N):0); - } - } else cimg_forZ(_img,z) cimg_for5x5(_img,x,y,z,0,I,T) - *(ptrd++) = (Ttfloat)(I[ 0]*_mask[ 0] + I[ 1]*_mask[ 1] + I[ 2]*_mask[ 2] + I[ 3]*_mask[ 3] + - I[ 4]*_mask[ 4] + I[ 5]*_mask[ 5] + I[ 6]*_mask[ 6] + I[ 7]*_mask[ 7] + - I[ 8]*_mask[ 8] + I[ 9]*_mask[ 9] + I[10]*_mask[10] + I[11]*_mask[11] + - I[12]*_mask[12] + I[13]*_mask[13] + I[14]*_mask[14] + I[15]*_mask[15] + - I[16]*_mask[16] + I[17]*_mask[17] + I[18]*_mask[18] + I[19]*_mask[19] + - I[20]*_mask[20] + I[21]*_mask[21] + I[22]*_mask[22] + I[23]*_mask[23] + - I[24]*_mask[24]); - } - } break; - case 4 : { - I.assign(16); - cimg_forC(res,c) { - cimg_test_abort(); - const CImg _img = get_shared_channel(c%_spectrum); - const CImg _mask = mask.get_shared_channel(c%mask._spectrum); - if (is_normalized) { - const Ttfloat _M = (Ttfloat)_mask.magnitude(2), M = _M*_M; - cimg_forZ(_img,z) cimg_for4x4(_img,x,y,z,0,I,T) { - const Ttfloat N = M*(I[ 0]*I[ 0] + I[ 1]*I[ 1] + I[ 2]*I[ 2] + I[ 3]*I[ 3] + - I[ 4]*I[ 4] + I[ 5]*I[ 5] + I[ 6]*I[ 6] + I[ 7]*I[ 7] + - I[ 8]*I[ 8] + I[ 9]*I[ 9] + I[10]*I[10] + I[11]*I[11] + - I[12]*I[12] + I[13]*I[13] + I[14]*I[14] + I[15]*I[15]); - *(ptrd++) = (Ttfloat)(N?(I[ 0]*_mask[ 0] + I[ 1]*_mask[ 1] + I[ 2]*_mask[ 2] + I[ 3]*_mask[ 3] + - I[ 4]*_mask[ 4] + I[ 5]*_mask[ 5] + I[ 6]*_mask[ 6] + I[ 7]*_mask[ 7] + - I[ 8]*_mask[ 8] + I[ 9]*_mask[ 9] + I[10]*_mask[10] + I[11]*_mask[11] + - I[12]*_mask[12] + I[13]*_mask[13] + I[14]*_mask[14] + I[15]*_mask[15])/ - std::sqrt(N):0); - } - } else cimg_forZ(_img,z) cimg_for4x4(_img,x,y,z,0,I,T) - *(ptrd++) = (Ttfloat)(I[ 0]*_mask[ 0] + I[ 1]*_mask[ 1] + I[ 2]*_mask[ 2] + I[ 3]*_mask[ 3] + - I[ 4]*_mask[ 4] + I[ 5]*_mask[ 5] + I[ 6]*_mask[ 6] + I[ 7]*_mask[ 7] + - I[ 8]*_mask[ 8] + I[ 9]*_mask[ 9] + I[10]*_mask[10] + I[11]*_mask[11] + - I[12]*_mask[12] + I[13]*_mask[13] + I[14]*_mask[14] + I[15]*_mask[15]); - } - } break; - case 3 : { - I.assign(9); - cimg_forC(res,c) { - cimg_test_abort(); - const CImg _img = get_shared_channel(c%_spectrum); - const CImg _mask = mask.get_shared_channel(c%mask._spectrum); - if (is_normalized) { - const Ttfloat _M = (Ttfloat)_mask.magnitude(2), M = _M*_M; - cimg_forZ(_img,z) cimg_for3x3(_img,x,y,z,0,I,T) { - const Ttfloat N = M*(I[0]*I[0] + I[1]*I[1] + I[2]*I[2] + - I[3]*I[3] + I[4]*I[4] + I[5]*I[5] + - I[6]*I[6] + I[7]*I[7] + I[8]*I[8]); - *(ptrd++) = (Ttfloat)(N?(I[0]*_mask[0] + I[1]*_mask[1] + I[2]*_mask[2] + - I[3]*_mask[3] + I[4]*_mask[4] + I[5]*_mask[5] + - I[6]*_mask[6] + I[7]*_mask[7] + I[8]*_mask[8])/std::sqrt(N):0); - } - } else cimg_forZ(_img,z) cimg_for3x3(_img,x,y,z,0,I,T) - *(ptrd++) = (Ttfloat)(I[0]*_mask[0] + I[1]*_mask[1] + I[2]*_mask[2] + - I[3]*_mask[3] + I[4]*_mask[4] + I[5]*_mask[5] + - I[6]*_mask[6] + I[7]*_mask[7] + I[8]*_mask[8]); - } - } break; - case 2 : { - I.assign(4); - cimg_forC(res,c) { - cimg_test_abort(); - const CImg _img = get_shared_channel(c%_spectrum); - const CImg _mask = mask.get_shared_channel(c%mask._spectrum); - if (is_normalized) { - const Ttfloat _M = (Ttfloat)_mask.magnitude(2), M = _M*_M; - cimg_forZ(_img,z) cimg_for2x2(_img,x,y,z,0,I,T) { - const Ttfloat N = M*(I[0]*I[0] + I[1]*I[1] + - I[2]*I[2] + I[3]*I[3]); - *(ptrd++) = (Ttfloat)(N?(I[0]*_mask[0] + I[1]*_mask[1] + - I[2]*_mask[2] + I[3]*_mask[3])/std::sqrt(N):0); - } - } else cimg_forZ(_img,z) cimg_for2x2(_img,x,y,z,0,I,T) - *(ptrd++) = (Ttfloat)(I[0]*_mask[0] + I[1]*_mask[1] + - I[2]*_mask[2] + I[3]*_mask[3]); - } - } break; - case 1 : - if (is_normalized) res.fill(1); - else cimg_forC(res,c) { - cimg_test_abort(); - const CImg _img = get_shared_channel(c%_spectrum); - const CImg _mask = mask.get_shared_channel(c%mask._spectrum); - res.get_shared_channel(c).assign(_img)*=_mask[0]; - } - break; - } - } - } else { // Generic version for other masks and boundary conditions. - const int - mx2 = mask.width()/2, my2 = mask.height()/2, mz2 = mask.depth()/2, - mx1 = mx2 - 1 + (mask.width()%2), my1 = my2 - 1 + (mask.height()%2), mz1 = mz2 - 1 + (mask.depth()%2), - mxe = width() - mx2, mye = height() - my2, mze = depth() - mz2; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(res._spectrum>=2) -#endif - cimg_forC(res,c) { - cimg_test_abort(); - const CImg _img = get_shared_channel(c%_spectrum); - const CImg _mask = mask.get_shared_channel(c%mask._spectrum); - if (is_normalized) { // Normalized correlation. - const Ttfloat _M = (Ttfloat)_mask.magnitude(2), M = _M*_M; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width*_height*_depth>=32768) -#endif - for (int z = mz1; z=256 && _height*_depth>=128) -#endif - cimg_forYZ(res,y,z) - for (int x = 0; x=mye || z=mze)?++x:((x=mxe)?++x:(x=mxe))) { - Ttfloat val = 0, N = 0; - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const Ttfloat _val = (Ttfloat)_img._atXYZ(x + xm,y + ym,z + zm); - val+=_val*_mask(mx1 + xm,my1 + ym,mz1 + zm); - N+=_val*_val; - } - N*=M; - res(x,y,z,c) = (Ttfloat)(N?val/std::sqrt(N):0); - } - else -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=256 && _height*_depth>=128) -#endif - cimg_forYZ(res,y,z) - for (int x = 0; x=mye || z=mze)?++x:((x=mxe)?++x:(x=mxe))) { - Ttfloat val = 0, N = 0; - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const Ttfloat _val = (Ttfloat)_img.atXYZ(x + xm,y + ym,z + zm,0,0); - val+=_val*_mask(mx1 + xm,my1 + ym,mz1 + zm); - N+=_val*_val; - } - N*=M; - res(x,y,z,c) = (Ttfloat)(N?val/std::sqrt(N):0); - } - } else { // Classical correlation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width*_height*_depth>=32768) -#endif - for (int z = mz1; z=256 && _height*_depth>=128) -#endif - cimg_forYZ(res,y,z) - for (int x = 0; x=mye || z=mze)?++x:((x=mxe)?++x:(x=mxe))) { - Ttfloat val = 0; - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) - val+=_img._atXYZ(x + xm,y + ym,z + zm)*_mask(mx1 + xm,my1 + ym,mz1 + zm); - res(x,y,z,c) = (Ttfloat)val; - } - else -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=256 && _height*_depth>=128) -#endif - cimg_forYZ(res,y,z) - for (int x = 0; x=mye || z=mze)?++x:((x=mxe)?++x:(x=mxe))) { - Ttfloat val = 0; - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) - val+=_img.atXYZ(x + xm,y + ym,z + zm,0,0)*_mask(mx1 + xm,my1 + ym,mz1 + zm); - res(x,y,z,c) = (Ttfloat)val; - } - } - } - } - return res; - } - - //! Convolve image by a mask. - /** - \param mask = the correlation kernel. - \param boundary_conditions = the border condition type (0=zero, 1=dirichlet) - \param is_normalized = enable local normalization. - \note - - The result \p res of the convolution of an image \p img by a mask \p mask is defined to be: - res(x,y,z) = sum_{i,j,k} img(x-i,y-j,z-k)*mask(i,j,k) - **/ - template - CImg& convolve(const CImg& mask, const unsigned int boundary_conditions=1, const bool is_normalized=false) { - if (is_empty() || !mask) return *this; - return get_convolve(mask,boundary_conditions,is_normalized).move_to(*this); - } - - //! Cumulate image values, optionally along specified axis. - /** - \param axis Cumulation axis. Set it to 0 to cumulate all values globally without taking axes into account. - **/ - CImg& cumulate(const char axis=0) { - switch (cimg::uncase(axis)) { - case 'x' : -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=512 && _height*_depth*_spectrum>=16) -#endif - cimg_forYZC(*this,y,z,c) { - T *ptrd = data(0,y,z,c); - Tlong cumul = 0; - cimg_forX(*this,x) { cumul+=(Tlong)*ptrd; *(ptrd++) = (T)cumul; } - } - break; - case 'y' : { - const unsigned long w = (unsigned long)_width; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_height>=512 && _width*_depth*_spectrum>=16) -#endif - cimg_forXZC(*this,x,z,c) { - T *ptrd = data(x,0,z,c); - Tlong cumul = 0; - cimg_forY(*this,y) { cumul+=(Tlong)*ptrd; *ptrd = (T)cumul; ptrd+=w; } - } - } break; - case 'z' : { - const unsigned long wh = (unsigned long)_width*_height; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_depth>=512 && _width*_depth*_spectrum>=16) -#endif - cimg_forXYC(*this,x,y,c) { - T *ptrd = data(x,y,0,c); - Tlong cumul = 0; - cimg_forZ(*this,z) { cumul+=(Tlong)*ptrd; *ptrd = (T)cumul; ptrd+=wh; } - } - } break; - case 'c' : { - const unsigned long whd = (unsigned long)_width*_height*_depth; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_spectrum>=512 && _width*_height*_depth>=16) -#endif - cimg_forXYZ(*this,x,y,z) { - T *ptrd = data(x,y,z,0); - Tlong cumul = 0; - cimg_forC(*this,c) { cumul+=(Tlong)*ptrd; *ptrd = (T)cumul; ptrd+=whd; } - } - } break; - default : { // Global cumulation. - Tlong cumul = 0; - cimg_for(*this,ptrd,T) { cumul+=(Tlong)*ptrd; *ptrd = (T)cumul; } - } - } - return *this; - } - - //! Cumulate image values, optionally along specified axis \newinstance. - CImg get_cumulate(const char axis=0) const { - return CImg(*this,false).cumulate(axis); - } - - //! Cumulate image values, along specified axes. - /** - \param axes Cumulation axes, as a C-string. - \note \c axes may contains multiple characters, e.g. \c "xyz" - **/ - CImg& cumulate(const char *const axes) { - for (const char *s = axes; *s; ++s) cumulate(*s); - return *this; - } - - //! Cumulate image values, along specified axes \newintance. - CImg get_cumulate(const char *const axes) const { - return CImg(*this,false).cumulate(axes); - } - - //! Convolve image by a mask \newinstance. - template - CImg<_cimg_Ttfloat> get_convolve(const CImg& mask, const unsigned int boundary_conditions=1, - const bool is_normalized=false) const { - if (is_empty() || !mask) return *this; - return get_correlate(CImg(mask._data,mask.size(),1,1,1,true).get_mirror('x'). - resize(mask,-1),boundary_conditions,is_normalized); - } - - //! Erode image by a structuring element. - /** - \param mask Structuring element. - \param boundary_conditions Boundary conditions. - \param is_normalized Tells if the erosion is locally normalized. - **/ - template - CImg& erode(const CImg& mask, const unsigned int boundary_conditions=1, - const bool is_normalized=false) { - if (is_empty() || !mask) return *this; - return get_erode(mask,boundary_conditions,is_normalized).move_to(*this); - } - - //! Erode image by a structuring element \newinstance. - template - CImg<_cimg_Tt> get_erode(const CImg& mask, const unsigned int boundary_conditions=1, - const bool is_normalized=false) const { - if (is_empty() || !mask) return *this; - typedef _cimg_Tt Tt; - CImg res(_width,_height,_depth,cimg::max(_spectrum,mask._spectrum)); - const int - mx2 = mask.width()/2, my2 = mask.height()/2, mz2 = mask.depth()/2, - mx1 = mx2 - 1 + (mask.width()%2), my1 = my2 - 1 + (mask.height()%2), mz1 = mz2 - 1 + (mask.depth()%2), - mxe = width() - mx2, mye = height() - my2, mze = depth() - mz2; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_spectrum>=2) -#endif - cimg_forC(*this,c) { - cimg_test_abort(); - const CImg _img = get_shared_channel(c%_spectrum); - const CImg _mask = mask.get_shared_channel(c%mask._spectrum); - if (is_normalized) { // Normalized erosion. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width*_height*_depth>=32768) -#endif - for (int z = mz1; z::max(); - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const t mval = _mask(mx1 + xm,my1 + ym,mz1 + zm); - const Tt cval = (Tt)(_img(x + xm,y + ym,z + zm) + mval); - if (mval && cval=256 && _height*_depth>=128) -#endif - cimg_forYZ(res,y,z) - for (int x = 0; x=mye || z=mze)?++x:((x=mxe)?++x:(x=mxe))) { - Tt min_val = cimg::type::max(); - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const t mval = _mask(mx1 + xm,my1 + ym,mz1 + zm); - const Tt cval = (Tt)(_img._atXYZ(x + xm,y + ym,z + zm) + mval); - if (mval && cval=256 && _height*_depth>=128) -#endif - cimg_forYZ(res,y,z) - for (int x = 0; x=mye || z=mze)?++x:((x=mxe)?++x:(x=mxe))) { - Tt min_val = cimg::type::max(); - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const t mval = _mask(mx1 + xm,my1 + ym,mz1 + zm); - const Tt cval = (Tt)(_img.atXYZ(x + xm,y + ym,z + zm,0,0) + mval); - if (mval && cval=32768) -#endif - for (int z = mz1; z::max(); - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const Tt cval = (Tt)_img(x + xm,y + ym,z + zm); - if (_mask(mx1 + xm,my1 + ym,mz1 + zm) && cval=256 && _height*_depth>=128) -#endif - cimg_forYZ(res,y,z) - for (int x = 0; x=mye || z=mze)?++x:((x=mxe)?++x:(x=mxe))) { - Tt min_val = cimg::type::max(); - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const T cval = (Tt)_img._atXYZ(x + xm,y + ym,z + zm); - if (_mask(mx1 + xm,my1 + ym,mz1 + zm) && cval=256 && _height*_depth>=128) -#endif - cimg_forYZ(res,y,z) - for (int x = 0; x=mye || z=mze)?++x:((x=mxe)?++x:(x=mxe))) { - Tt min_val = cimg::type::max(); - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const T cval = (Tt)_img.atXYZ(x + xm,y + ym,z + zm,0,0); - if (_mask(mx1 + xm,my1 + ym,mz1 + zm) && cval& erode(const unsigned int sx, const unsigned int sy, const unsigned int sz=1) { - if (is_empty() || (sx==1 && sy==1 && sz==1)) return *this; - if (sx>1 && _width>1) { // Along X-axis. - const int L = width(), off = 1, s = (int)sx, _s1 = s/2, _s2 = s - _s1, s1 = _s1>L?L:_s1, s2 = _s2>L?L:_s2; - CImg buf(L); -#ifdef cimg_use_opemp -#pragma omp parallel for collapse(3) firstprivate(buf) if (size()>524288) -#endif - cimg_forYZC(*this,y,z,c) { - T *const ptrdb = buf._data, *ptrd = buf._data, *const ptrde = buf._data + L - 1; - const T *const ptrsb = data(0,y,z,c), *ptrs = ptrsb, *const ptrse = ptrs + L*off - off; - T cur = *ptrs; ptrs+=off; bool is_first = true; - for (int p = s2 - 1; p>0 && ptrs<=ptrse; --p) { - const T val = *ptrs; ptrs+=off; if (val<=cur) { cur = val; is_first = false; }} - *(ptrd++) = cur; - if (ptrs>=ptrse) { - T *pd = data(0,y,z,c); cur = cimg::min(cur,*ptrse); cimg_forX(buf,x) { *pd = cur; pd+=off; } - } else { - for (int p = s1; p>0 && ptrd<=ptrde; --p) { - const T val = *ptrs; if (ptrs0; --p) { - const T val = *ptrs; ptrs+=off; - if (is_first) { - const T *nptrs = ptrs - off; cur = val; - for (int q = s - 2; q>0; --q) { nptrs-=off; const T nval = *nptrs; if (nval0 && ptrs>=ptrsb; --p) { - const T val = *ptrs; ptrs-=off; if (val0 && ptrd>=ptrdb; --p) { - const T val = *ptrs; if (ptrs>ptrsb) ptrs-=off; if (val1 && _height>1) { // Along Y-axis. - const int L = height(), off = width(), s = (int)sy, _s1 = s/2, _s2 = s - _s1, s1 = _s1>L?L:_s1, - s2 = _s2>L?L:_s2; - CImg buf(L); -#ifdef cimg_use_opemp -#pragma omp parallel for collapse(3) firstprivate(buf) if (size()>524288) -#endif - cimg_forXZC(*this,x,z,c) { - T *const ptrdb = buf._data, *ptrd = ptrdb, *const ptrde = buf._data + L - 1; - const T *const ptrsb = data(x,0,z,c), *ptrs = ptrsb, *const ptrse = ptrs + L*off - off; - T cur = *ptrs; ptrs+=off; bool is_first = true; - for (int p = s2 - 1; p>0 && ptrs<=ptrse; --p) { - const T val = *ptrs; ptrs+=off; if (val<=cur) { cur = val; is_first = false; } - } - *(ptrd++) = cur; - if (ptrs>=ptrse) { - T *pd = data(x,0,z,c); cur = cimg::min(cur,*ptrse); cimg_forX(buf,x) { *pd = cur; pd+=off; } - } else { - for (int p = s1; p>0 && ptrd<=ptrde; --p) { - const T val = *ptrs; if (ptrs0; --p) { - const T val = *ptrs; ptrs+=off; - if (is_first) { - const T *nptrs = ptrs - off; cur = val; - for (int q = s - 2; q>0; --q) { nptrs-=off; const T nval = *nptrs; if (nval0 && ptrs>=ptrsb; --p) { - const T val = *ptrs; ptrs-=off; if (val0 && ptrd>=ptrdb; --p) { - const T val = *ptrs; if (ptrs>ptrsb) ptrs-=off; if (val1 && _depth>1) { // Along Z-axis. - const int L = depth(), off = width()*height(), s = (int)sz, _s1 = s/2, _s2 = s - _s1, s1 = _s1>L?L:_s1, - s2 = _s2>L?L:_s2; - CImg buf(L); -#ifdef cimg_use_opemp -#pragma omp parallel for collapse(3) firstprivate(buf) if (size()>524288) -#endif - cimg_forXYC(*this,x,y,c) { - T *const ptrdb = buf._data, *ptrd = ptrdb, *const ptrde = buf._data + L - 1; - const T *const ptrsb = data(x,y,0,c), *ptrs = ptrsb, *const ptrse = ptrs + L*off - off; - T cur = *ptrs; ptrs+=off; bool is_first = true; - for (int p = s2 - 1; p>0 && ptrs<=ptrse; --p) { - const T val = *ptrs; ptrs+=off; if (val<=cur) { cur = val; is_first = false; } - } - *(ptrd++) = cur; - if (ptrs>=ptrse) { - T *pd = data(x,y,0,c); cur = cimg::min(cur,*ptrse); cimg_forX(buf,x) { *pd = cur; pd+=off; } - } else { - for (int p = s1; p>0 && ptrd<=ptrde; --p) { - const T val = *ptrs; if (ptrs0; --p) { - const T val = *ptrs; ptrs+=off; - if (is_first) { - const T *nptrs = ptrs - off; cur = val; - for (int q = s - 2; q>0; --q) { nptrs-=off; const T nval = *nptrs; if (nval0 && ptrs>=ptrsb; --p) { - const T val = *ptrs; ptrs-=off; if (val0 && ptrd>=ptrdb; --p) { - const T val = *ptrs; if (ptrs>ptrsb) ptrs-=off; if (val get_erode(const unsigned int sx, const unsigned int sy, const unsigned int sz=1) const { - return (+*this).erode(sx,sy,sz); - } - - //! Erode the image by a square structuring element of specified size. - /** - \param s Size of the structuring element. - **/ - CImg& erode(const unsigned int s) { - return erode(s,s,s); - } - - //! Erode the image by a square structuring element of specified size \newinstance. - CImg get_erode(const unsigned int s) const { - return (+*this).erode(s); - } - - //! Dilate image by a structuring element. - /** - \param mask Structuring element. - \param boundary_conditions Boundary conditions. - \param is_normalized Tells if the erosion is locally normalized. - **/ - template - CImg& dilate(const CImg& mask, const unsigned int boundary_conditions=1, - const bool is_normalized=false) { - if (is_empty() || !mask) return *this; - return get_dilate(mask,boundary_conditions,is_normalized).move_to(*this); - } - - //! Dilate image by a structuring element \newinstance. - template - CImg<_cimg_Tt> get_dilate(const CImg& mask, const unsigned int boundary_conditions=1, - const bool is_normalized=false) const { - if (is_empty() || !mask) return *this; - typedef _cimg_Tt Tt; - CImg res(_width,_height,_depth,_spectrum); - const int - mx2 = mask.width()/2, my2 = mask.height()/2, mz2 = mask.depth()/2, - mx1 = mx2 - 1 + (mask.width()%2), my1 = my2 - 1 + (mask.height()%2), mz1 = mz2 - 1 + (mask.depth()%2), - mxe = width() - mx2, mye = height() - my2, mze = depth() - mz2; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_spectrum>=2) -#endif - cimg_forC(*this,c) { - cimg_test_abort(); - const CImg _img = get_shared_channel(c%_spectrum); - const CImg _mask = mask.get_shared_channel(c%mask._spectrum); - if (is_normalized) { // Normalized dilation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width*_height*_depth>=32768) -#endif - for (int z = mz1; z::min(); - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const t mval = _mask(mx1 + xm,my1 + ym,mz1 + zm); - const Tt cval = (Tt)(_img(x + xm,y + ym,z + zm) - mval); - if (mval && cval>max_val) max_val = cval; - } - res(x,y,z,c) = max_val; - } - if (boundary_conditions) -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=256 && _height*_depth>=128) -#endif - cimg_forYZ(res,y,z) - for (int x = 0; x=mye || z=mze)?++x:((x=mxe)?++x:(x=mxe))) { - Tt max_val = cimg::type::min(); - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const t mval = _mask(mx1 + xm,my1 + ym,mz1 + zm); - const Tt cval = (Tt)(_img._atXYZ(x + xm,y + ym,z + zm) - mval); - if (mval && cval>max_val) max_val = cval; - } - res(x,y,z,c) = max_val; - } - else -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=256 && _height*_depth>=128) -#endif - cimg_forYZ(*this,y,z) - for (int x = 0; x=mye || z=mze)?++x:((x=mxe)?++x:(x=mxe))) { - Tt max_val = cimg::type::min(); - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const t mval = _mask(mx1 + xm,my1 + ym,mz1 + zm); - const Tt cval = (Tt)(_img.atXYZ(x + xm,y + ym,z + zm,0,0) - mval); - if (mval && cval>max_val) max_val = cval; - } - res(x,y,z,c) = max_val; - } - } else { // Classical dilation. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth>=128) -#endif - for (int z = mz1; z::min(); - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const Tt cval = (Tt)_img(x + xm,y + ym,z + zm); - if (_mask(mx1 + xm,my1 + ym,mz1 + zm) && cval>max_val) max_val = cval; - } - res(x,y,z,c) = max_val; - } - if (boundary_conditions) -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=256 && _height*_depth>=128) -#endif - cimg_forYZ(res,y,z) - for (int x = 0; x=mye || z=mze)?++x:((x=mxe)?++x:(x=mxe))) { - Tt max_val = cimg::type::min(); - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const T cval = (Tt)_img._atXYZ(x + xm,y + ym,z + zm); - if (_mask(mx1 + xm,my1 + ym,mz1 + zm) && cval>max_val) max_val = cval; - } - res(x,y,z,c) = max_val; - } - else -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=256 && _height*_depth>=128) -#endif - cimg_forYZ(res,y,z) - for (int x = 0; x=mye || z=mze)?++x:((x=mxe)?++x:(x=mxe))) { - Tt max_val = cimg::type::min(); - for (int zm = -mz1; zm<=mz2; ++zm) - for (int ym = -my1; ym<=my2; ++ym) - for (int xm = -mx1; xm<=mx2; ++xm) { - const T cval = (Tt)_img.atXYZ(x + xm,y + ym,z + zm,0,0); - if (_mask(mx1 + xm,my1 + ym,mz1 + zm) && cval>max_val) max_val = cval; - } - res(x,y,z,c) = max_val; - } - } - } - return res; - } - - //! Dilate image by a rectangular structuring element of specified size. - /** - \param sx Width of the structuring element. - \param sy Height of the structuring element. - \param sz Depth of the structuring element. - **/ - CImg& dilate(const unsigned int sx, const unsigned int sy, const unsigned int sz=1) { - if (is_empty() || (sx==1 && sy==1 && sz==1)) return *this; - if (sx>1 && _width>1) { // Along X-axis. - const int L = width(), off = 1, s = (int)sx, _s2 = s/2 + 1, _s1 = s - _s2, s1 = _s1>L?L:_s1, s2 = _s2>L?L:_s2; - CImg buf(L); -#ifdef cimg_use_opemp -#pragma omp parallel for collapse(3) firstprivate(buf) if (size()>524288) -#endif - cimg_forYZC(*this,y,z,c) { - T *const ptrdb = buf._data, *ptrd = ptrdb, *const ptrde = buf._data + L - 1; - const T *const ptrsb = data(0,y,z,c), *ptrs = ptrsb, *const ptrse = ptrs + L*off - off; - T cur = *ptrs; ptrs+=off; bool is_first = true; - for (int p = s2 - 1; p>0 && ptrs<=ptrse; --p) { - const T val = *ptrs; ptrs+=off; if (val>=cur) { cur = val; is_first = false; } - } - *(ptrd++) = cur; - if (ptrs>=ptrse) { - T *pd = data(0,y,z,c); cur = cimg::max(cur,*ptrse); cimg_forX(buf,x) { *pd = cur; pd+=off; } - } else { - for (int p = s1; p>0 && ptrd<=ptrde; --p) { - const T val = *ptrs; if (ptrs=cur) { cur = val; is_first = false; } - *(ptrd++) = cur; - } - for (int p = L - s - 1; p>0; --p) { - const T val = *ptrs; ptrs+=off; - if (is_first) { - const T *nptrs = ptrs - off; cur = val; - for (int q = s - 2; q>0; --q) { nptrs-=off; const T nval = *nptrs; if (nval>cur) cur = nval; } - nptrs-=off; const T nval = *nptrs; if (nval>cur) { cur = nval; is_first = true; } else is_first = false; - } else { if (val>=cur) cur = val; else if (cur==*(ptrs-s*off)) is_first = true; } - *(ptrd++) = cur; - } - ptrd = ptrde; ptrs = ptrse; cur = *ptrs; ptrs-=off; - for (int p = s1; p>0 && ptrs>=ptrsb; --p) { - const T val = *ptrs; ptrs-=off; if (val>cur) cur = val; - } - *(ptrd--) = cur; - for (int p = s2 - 1; p>0 && ptrd>=ptrdb; --p) { - const T val = *ptrs; if (ptrs>ptrsb) ptrs-=off; if (val>cur) cur = val; *(ptrd--) = cur; - } - T *pd = data(0,y,z,c); cimg_for(buf,ps,T) { *pd = *ps; pd+=off; } - } - } - } - - if (sy>1 && _height>1) { // Along Y-axis. - const int L = height(), off = width(), s = (int)sy, _s2 = s/2 + 1, _s1 = s - _s2, s1 = _s1>L?L:_s1, - s2 = _s2>L?L:_s2; - CImg buf(L); -#ifdef cimg_use_opemp -#pragma omp parallel for collapse(3) firstprivate(buf) if (size()>524288) -#endif - cimg_forXZC(*this,x,z,c) { - T *const ptrdb = buf._data, *ptrd = ptrdb, *const ptrde = buf._data + L - 1; - const T *const ptrsb = data(x,0,z,c), *ptrs = ptrsb, *const ptrse = ptrs + L*off - off; - T cur = *ptrs; ptrs+=off; bool is_first = true; - for (int p = s2 - 1; p>0 && ptrs<=ptrse; --p) { - const T val = *ptrs; ptrs+=off; if (val>=cur) { cur = val; is_first = false; } - } - *(ptrd++) = cur; - if (ptrs>=ptrse) { - T *pd = data(x,0,z,c); cur = cimg::max(cur,*ptrse); cimg_forX(buf,x) { *pd = cur; pd+=off; } - } else { - for (int p = s1; p>0 && ptrd<=ptrde; --p) { - const T val = *ptrs; if (ptrs=cur) { cur = val; is_first = false; } - *(ptrd++) = cur; - } - for (int p = L - s - 1; p>0; --p) { - const T val = *ptrs; ptrs+=off; - if (is_first) { - const T *nptrs = ptrs - off; cur = val; - for (int q = s - 2; q>0; --q) { nptrs-=off; const T nval = *nptrs; if (nval>cur) cur = nval; } - nptrs-=off; const T nval = *nptrs; if (nval>cur) { cur = nval; is_first = true; } else is_first = false; - } else { if (val>=cur) cur = val; else if (cur==*(ptrs-s*off)) is_first = true; } - *(ptrd++) = cur; - } - ptrd = ptrde; ptrs = ptrse; cur = *ptrs; ptrs-=off; - for (int p = s1; p>0 && ptrs>=ptrsb; --p) { - const T val = *ptrs; ptrs-=off; if (val>cur) cur = val; - } - *(ptrd--) = cur; - for (int p = s2 - 1; p>0 && ptrd>=ptrdb; --p) { - const T val = *ptrs; if (ptrs>ptrsb) ptrs-=off; if (val>cur) cur = val; *(ptrd--) = cur; - } - T *pd = data(x,0,z,c); cimg_for(buf,ps,T) { *pd = *ps; pd+=off; } - } - } - } - - if (sz>1 && _depth>1) { // Along Z-axis. - const int L = depth(), off = width()*height(), s = (int)sz, _s2 = s/2 + 1, _s1 = s - _s2, s1 = _s1>L?L:_s1, - s2 = _s2>L?L:_s2; - CImg buf(L); -#ifdef cimg_use_opemp -#pragma omp parallel for collapse(3) firstprivate(buf) if (size()>524288) -#endif - cimg_forXYC(*this,x,y,c) { - T *const ptrdb = buf._data, *ptrd = ptrdb, *const ptrde = buf._data + L - 1; - const T *const ptrsb = data(x,y,0,c), *ptrs = ptrsb, *const ptrse = ptrs + L*off - off; - T cur = *ptrs; ptrs+=off; bool is_first = true; - for (int p = s2 - 1; p>0 && ptrs<=ptrse; --p) { - const T val = *ptrs; ptrs+=off; if (val>=cur) { cur = val; is_first = false; } - } - *(ptrd++) = cur; - if (ptrs>=ptrse) { - T *pd = data(x,y,0,c); cur = cimg::max(cur,*ptrse); cimg_forX(buf,x) { *pd = cur; pd+=off; } - } else { - for (int p = s1; p>0 && ptrd<=ptrde; --p) { - const T val = *ptrs; if (ptrs=cur) { cur = val; is_first = false; } - *(ptrd++) = cur; - } - for (int p = L - s - 1; p>0; --p) { - const T val = *ptrs; ptrs+=off; - if (is_first) { - const T *nptrs = ptrs - off; cur = val; - for (int q = s - 2; q>0; --q) { nptrs-=off; const T nval = *nptrs; if (nval>cur) cur = nval; } - nptrs-=off; const T nval = *nptrs; if (nval>cur) { cur = nval; is_first = true; } else is_first = false; - } else { if (val>=cur) cur = val; else if (cur==*(ptrs-s*off)) is_first = true; } - *(ptrd++) = cur; - } - ptrd = ptrde; ptrs = ptrse; cur = *ptrs; ptrs-=off; - for (int p = s1; p>0 && ptrs>=ptrsb; --p) { - const T val = *ptrs; ptrs-=off; if (val>cur) cur = val; - } - *(ptrd--) = cur; - for (int p = s2 - 1; p>0 && ptrd>=ptrdb; --p) { - const T val = *ptrs; if (ptrs>ptrsb) ptrs-=off; if (val>cur) cur = val; *(ptrd--) = cur; - } - T *pd = data(x,y,0,c); cimg_for(buf,ps,T) { *pd = *ps; pd+=off; } - } - } - } - return *this; - } - - //! Dilate image by a rectangular structuring element of specified size \newinstance. - CImg get_dilate(const unsigned int sx, const unsigned int sy, const unsigned int sz=1) const { - return (+*this).dilate(sx,sy,sz); - } - - //! Dilate image by a square structuring element of specified size. - /** - \param s Size of the structuring element. - **/ - CImg& dilate(const unsigned int s) { - return dilate(s,s,s); - } - - //! Dilate image by a square structuring element of specified size \newinstance. - CImg get_dilate(const unsigned int s) const { - return (+*this).dilate(s); - } - - //! Compute watershed transform. - /** - \param priority Priority map. - \param is_high_connectivity Boolean that choose between 4(false)- or 8(true)-connectivity - in 2d case, and between 6(false)- or 26(true)-connectivity in 3d case. - \note Non-zero values of the instance instance are propagated to zero-valued ones according to - specified the priority map. - **/ - template - CImg& watershed(const CImg& priority, const bool is_high_connectivity=false) { -#define _cimg_watershed_init(cond,X,Y,Z) \ - if (cond && !(*this)(X,Y,Z)) Q._priority_queue_insert(labels,sizeQ,priority(X,Y,Z),X,Y,Z,nb_seeds) - -#define _cimg_watershed_propagate(cond,X,Y,Z) \ - if (cond) { \ - if ((*this)(X,Y,Z)) { \ - ns = labels(X,Y,Z) - 1; xs = seeds(ns,0); ys = seeds(ns,1); zs = seeds(ns,2); \ - d = cimg::sqr((float)x - xs) + cimg::sqr((float)y - ys) + cimg::sqr((float)z - zs); \ - if (d labels(_width,_height,_depth,1,0), seeds(64,3); - CImg::type> Q; - unsigned int sizeQ = 0; - int px, nx, py, ny, pz, nz; - bool is_px, is_nx, is_py, is_ny, is_pz, is_nz; - const bool is_3d = _depth>1; - - // Find seed points and insert them in priority queue. - unsigned int nb_seeds = 0; - const T *ptrs = _data; - cimg_forXYZ(*this,x,y,z) if (*(ptrs++)) { // 3d version - if (nb_seeds>=seeds._width) seeds.resize(2*seeds._width,3,1,1,0); - seeds(nb_seeds,0) = x; seeds(nb_seeds,1) = y; seeds(nb_seeds++,2) = z; - px = x - 1; nx = x + 1; - py = y - 1; ny = y + 1; - pz = z - 1; nz = z + 1; - is_px = px>=0; is_nx = nx=0; is_ny = ny=0; is_nz = nz=0; is_nx = nx=0; is_ny = ny=0; is_nz = nz::inf(); - T label = 0; - _cimg_watershed_propagate(is_px,px,y,z); - _cimg_watershed_propagate(is_nx,nx,y,z); - _cimg_watershed_propagate(is_py,x,py,z); - _cimg_watershed_propagate(is_ny,x,ny,z); - if (is_3d) { - _cimg_watershed_propagate(is_pz,x,y,pz); - _cimg_watershed_propagate(is_nz,x,y,nz); - } - if (is_high_connectivity) { - _cimg_watershed_propagate(is_px && is_py,px,py,z); - _cimg_watershed_propagate(is_nx && is_py,nx,py,z); - _cimg_watershed_propagate(is_px && is_ny,px,ny,z); - _cimg_watershed_propagate(is_nx && is_ny,nx,ny,z); - if (is_3d) { - _cimg_watershed_propagate(is_px && is_pz,px,y,pz); - _cimg_watershed_propagate(is_nx && is_pz,nx,y,pz); - _cimg_watershed_propagate(is_px && is_nz,px,y,nz); - _cimg_watershed_propagate(is_nx && is_nz,nx,y,nz); - _cimg_watershed_propagate(is_py && is_pz,x,py,pz); - _cimg_watershed_propagate(is_ny && is_pz,x,ny,pz); - _cimg_watershed_propagate(is_py && is_nz,x,py,nz); - _cimg_watershed_propagate(is_ny && is_nz,x,ny,nz); - _cimg_watershed_propagate(is_px && is_py && is_pz,px,py,pz); - _cimg_watershed_propagate(is_nx && is_py && is_pz,nx,py,pz); - _cimg_watershed_propagate(is_px && is_ny && is_pz,px,ny,pz); - _cimg_watershed_propagate(is_nx && is_ny && is_pz,nx,ny,pz); - _cimg_watershed_propagate(is_px && is_py && is_nz,px,py,nz); - _cimg_watershed_propagate(is_nx && is_py && is_nz,nx,py,nz); - _cimg_watershed_propagate(is_px && is_ny && is_nz,px,ny,nz); - _cimg_watershed_propagate(is_nx && is_ny && is_nz,nx,ny,nz); - } - } - (*this)(x,y,z) = label; - labels(x,y,z) = ++nmin; - } - return *this; - } - - //! Compute watershed transform \newinstance. - template - CImg get_watershed(const CImg& priority, const bool is_high_connectivity=false) const { - return (+*this).watershed(priority,is_high_connectivity); - } - - // [internal] Insert/Remove items in priority queue, for watershed/distance transforms. - template - bool _priority_queue_insert(CImg& is_queued, unsigned int& siz, const tv value, - const unsigned int x, const unsigned int y, const unsigned int z, - const unsigned int n=1) { - if (is_queued(x,y,z)) return false; - is_queued(x,y,z) = (tq)n; - if (++siz>=_width) { if (!is_empty()) resize(_width*2,4,1,1,0); else assign(64,4); } - (*this)(siz - 1,0) = (T)value; - (*this)(siz - 1,1) = (T)x; - (*this)(siz - 1,2) = (T)y; - (*this)(siz - 1,3) = (T)z; - for (unsigned int pos = siz - 1, par = 0; pos && value>(*this)(par=(pos + 1)/2 - 1,0); pos = par) { - cimg::swap((*this)(pos,0),(*this)(par,0)); - cimg::swap((*this)(pos,1),(*this)(par,1)); - cimg::swap((*this)(pos,2),(*this)(par,2)); - cimg::swap((*this)(pos,3),(*this)(par,3)); - } - return true; - } - - CImg& _priority_queue_remove(unsigned int& siz) { - (*this)(0,0) = (*this)(--siz,0); - (*this)(0,1) = (*this)(siz,1); - (*this)(0,2) = (*this)(siz,2); - (*this)(0,3) = (*this)(siz,3); - const float value = (*this)(0,0); - for (unsigned int pos = 0, left = 0, right = 0; - ((right=2*(pos + 1),(left=right - 1))(*this)(right,0)) { - cimg::swap((*this)(pos,0),(*this)(left,0)); - cimg::swap((*this)(pos,1),(*this)(left,1)); - cimg::swap((*this)(pos,2),(*this)(left,2)); - cimg::swap((*this)(pos,3),(*this)(left,3)); - pos = left; - } else { - cimg::swap((*this)(pos,0),(*this)(right,0)); - cimg::swap((*this)(pos,1),(*this)(right,1)); - cimg::swap((*this)(pos,2),(*this)(right,2)); - cimg::swap((*this)(pos,3),(*this)(right,3)); - pos = right; - } - } else { - cimg::swap((*this)(pos,0),(*this)(left,0)); - cimg::swap((*this)(pos,1),(*this)(left,1)); - cimg::swap((*this)(pos,2),(*this)(left,2)); - cimg::swap((*this)(pos,3),(*this)(left,3)); - pos = left; - } - } - return *this; - } - - //! Apply recursive Deriche filter. - /** - \param sigma Standard deviation of the filter. - \param order Order of the filter. Can be { 0=smooth-filter | 1=1st-derivative | 2=2nd-derivative }. - \param axis Axis along which the filter is computed. Can be { 'x' | 'y' | 'z' | 'c' }. - \param boundary_conditions Boundary conditions. Can be { 0=dirichlet | 1=neumann }. - **/ - CImg& deriche(const float sigma, const unsigned int order=0, const char axis='x', - const bool boundary_conditions=true) { -#define _cimg_deriche_apply \ - CImg Y(N); \ - Tfloat *ptrY = Y._data, yb = 0, yp = 0; \ - T xp = (T)0; \ - if (boundary_conditions) { xp = *ptrX; yb = yp = (Tfloat)(coefp*xp); } \ - for (int m = 0; m=0; --n) { \ - const T xc = *(ptrX-=off); \ - const Tfloat yc = (Tfloat)(a2*xn + a3*xa - b1*yn - b2*ya); \ - xa = xn; xn = xc; ya = yn; yn = yc; \ - *ptrX = (T)(*(--ptrY)+yc); \ - } - const char naxis = cimg::uncase(axis); - const float nsigma = sigma>=0?sigma:-sigma*(naxis=='x'?_width:naxis=='y'?_height:naxis=='z'?_depth:_spectrum)/100; - if (is_empty() || (nsigma<0.1f && !order)) return *this; - const float - nnsigma = nsigma<0.1f?0.1f:nsigma, - alpha = 1.695f/nnsigma, - ema = (float)std::exp(-alpha), - ema2 = (float)std::exp(-2*alpha), - b1 = -2*ema, - b2 = ema2; - float a0 = 0, a1 = 0, a2 = 0, a3 = 0, coefp = 0, coefn = 0; - switch (order) { - case 0 : { - const float k = (1-ema)*(1-ema)/(1 + 2*alpha*ema-ema2); - a0 = k; - a1 = k*(alpha - 1)*ema; - a2 = k*(alpha + 1)*ema; - a3 = -k*ema2; - } break; - case 1 : { - const float k = -(1-ema)*(1-ema)*(1-ema)/(2*(ema + 1)*ema); - a0 = a3 = 0; - a1 = k*ema; - a2 = -a1; - } break; - case 2 : { - const float - ea = (float)std::exp(-alpha), - k = -(ema2 - 1)/(2*alpha*ema), - kn = (-2*(-1 + 3*ea - 3*ea*ea + ea*ea*ea)/(3*ea + 1 + 3*ea*ea + ea*ea*ea)); - a0 = kn; - a1 = -kn*(1 + k*alpha)*ema; - a2 = kn*(1 - k*alpha)*ema; - a3 = -kn*ema2; - } break; - default : - throw CImgArgumentException(_cimg_instance - "deriche(): Invalid specified filter order %u " - "(should be { 0=smoothing | 1=1st-derivative | 2=2nd-derivative }).", - cimg_instance, - order); - } - coefp = (a0 + a1)/(1 + b1 + b2); - coefn = (a2 + a3)/(1 + b1 + b2); - switch (naxis) { - case 'x' : { - const int N = width(); - const unsigned long off = 1U; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth*_spectrum>=16) -#endif - cimg_forYZC(*this,y,z,c) { T *ptrX = data(0,y,z,c); _cimg_deriche_apply; } - } break; - case 'y' : { - const int N = height(); - const unsigned long off = (unsigned long)_width; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth*_spectrum>=16) -#endif - cimg_forXZC(*this,x,z,c) { T *ptrX = data(x,0,z,c); _cimg_deriche_apply; } - } break; - case 'z' : { - const int N = depth(); - const unsigned long off = (unsigned long)_width*_height; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth*_spectrum>=16) -#endif - cimg_forXYC(*this,x,y,c) { T *ptrX = data(x,y,0,c); _cimg_deriche_apply; } - } break; - default : { - const int N = spectrum(); - const unsigned long off = (unsigned long)_width*_height*_depth; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth*_spectrum>=16) -#endif - cimg_forXYZ(*this,x,y,z) { T *ptrX = data(x,y,z,0); _cimg_deriche_apply; } - } - } - return *this; - } - - //! Apply recursive Deriche filter \newinstance. - CImg get_deriche(const float sigma, const unsigned int order=0, const char axis='x', - const bool boundary_conditions=true) const { - return CImg(*this,false).deriche(sigma,order,axis,boundary_conditions); - } - - // [internal] Apply a recursive filter (used by CImg::vanvliet()). - /* - \param ptr the pointer of the data - \param filter the coefficient of the filter in the following order [n,n - 1,n - 2,n - 3]. - \param N size of the data - \param off the offset between two data point - \param order the order of the filter 0 (smoothing), 1st derivtive, 2nd derivative, 3rd derivative - \param boundary_conditions Boundary conditions. Can be { 0=dirichlet | 1=neumann }. - \note Boundary condition using B. Triggs method (IEEE trans on Sig Proc 2005). - */ - static void _cimg_recursive_apply(T *data, const double filter[], const int N, const unsigned long off, - const unsigned int order, const bool boundary_conditions) { - double val[4] = { 0 }; // res[n,n - 1,n - 2,n - 3,..] or res[n,n + 1,n + 2,n + 3,..] - const double - sumsq = filter[0], sum = sumsq * sumsq, - a1 = filter[1], a2 = filter[2], a3 = filter[3], - scaleM = 1.0 / ( (1.0 + a1 - a2 + a3) * (1.0 - a1 - a2 - a3) * (1.0 + a2 + (a1 - a3) * a3) ); - double M[9]; // Triggs matrix - M[0] = scaleM * (-a3 * a1 + 1.0 - a3 * a3 - a2); - M[1] = scaleM * (a3 + a1) * (a2 + a3 * a1); - M[2] = scaleM * a3 * (a1 + a3 * a2); - M[3] = scaleM * (a1 + a3 * a2); - M[4] = -scaleM * (a2 - 1.0) * (a2 + a3 * a1); - M[5] = -scaleM * a3 * (a3 * a1 + a3 * a3 + a2 - 1.0); - M[6] = scaleM * (a3 * a1 + a2 + a1 * a1 - a2 * a2); - M[7] = scaleM * (a1 * a2 + a3 * a2 * a2 - a1 * a3 * a3 - a3 * a3 * a3 - a3 * a2 + a3); - M[8] = scaleM * a3 * (a1 + a3 * a2); - switch (order) { - case 0 : { - const double iplus = (boundary_conditions?data[(N - 1)*off]:0); - for (int pass = 0; pass<2; ++pass) { - if (!pass) { - for (int k = 1; k<4; ++k) val[k] = (boundary_conditions?*data/sumsq:0); - } else { - /* apply Triggs border condition */ - const double - uplus = iplus/(1.0 - a1 - a2 - a3), vplus = uplus/(1.0 - a1 - a2 - a3), - unp = val[1] - uplus, unp1 = val[2] - uplus, unp2 = val[3] - uplus; - val[0] = (M[0] * unp + M[1] * unp1 + M[2] * unp2 + vplus) * sum; - val[1] = (M[3] * unp + M[4] * unp1 + M[5] * unp2 + vplus) * sum; - val[2] = (M[6] * unp + M[7] * unp1 + M[8] * unp2 + vplus) * sum; - *data = (T)val[0]; - data -= off; - for (int k = 3; k>0; --k) val[k] = val[k - 1]; - } - for (int n = pass; n0; --k) val[k] = val[k - 1]; - } - if (!pass) data -= off; - } - } break; - case 1 : { - double x[3]; // [front,center,back] - for (int pass = 0; pass<2; ++pass) { - if (!pass) { - for (int k = 0; k<3; ++k) x[k] = (boundary_conditions?*data:0); - for (int k = 0; k<4; ++k) val[k] = 0; - } else { - /* apply Triggs border condition */ - const double - unp = val[1], unp1 = val[2], unp2 = val[3]; - val[0] = (M[0] * unp + M[1] * unp1 + M[2] * unp2) * sum; - val[1] = (M[3] * unp + M[4] * unp1 + M[5] * unp2) * sum; - val[2] = (M[6] * unp + M[7] * unp1 + M[8] * unp2) * sum; - *data = (T)val[0]; - data -= off; - for (int k = 3; k>0; --k) val[k] = val[k - 1]; - } - for (int n = pass; n0; --k) x[k] = x[k - 1]; - } else { data-=off;} - for (int k = 3; k>0; --k) val[k] = val[k - 1]; - } - *data = (T)0; - } - } break; - case 2: { - double x[3]; // [front,center,back] - for (int pass = 0; pass<2; ++pass) { - if (!pass) { - for (int k = 0; k<3; ++k) x[k] = (boundary_conditions?*data:0); - for (int k = 0; k<4; ++k) val[k] = 0; - } else { - /* apply Triggs border condition */ - const double - unp = val[1], unp1 = val[2], unp2 = val[3]; - val[0] = (M[0] * unp + M[1] * unp1 + M[2] * unp2) * sum; - val[1] = (M[3] * unp + M[4] * unp1 + M[5] * unp2) * sum; - val[2] = (M[6] * unp + M[7] * unp1 + M[8] * unp2) * sum; - *data = (T)val[0]; - data -= off; - for (int k = 3; k>0; --k) val[k] = val[k - 1]; - } - for (int n = pass; n0; --k) x[k] = x[k - 1]; - for (int k = 3; k>0; --k) val[k] = val[k - 1]; - } - *data = (T)0; - } - } break; - case 3: { - double x[3]; // [front,center,back] - for (int pass = 0; pass<2; ++pass) { - if (!pass) { - for (int k = 0; k<3; ++k) x[k] = (boundary_conditions?*data:0); - for (int k = 0; k<4; ++k) val[k] = 0; - } else { - /* apply Triggs border condition */ - const double - unp = val[1], unp1 = val[2], unp2 = val[3]; - val[0] = (M[0] * unp + M[1] * unp1 + M[2] * unp2) * sum; - val[1] = (M[3] * unp + M[4] * unp1 + M[5] * unp2) * sum; - val[2] = (M[6] * unp + M[7] * unp1 + M[8] * unp2) * sum; - *data = (T)val[0]; - data -= off; - for (int k = 3; k>0; --k) val[k] = val[k - 1]; - } - for (int n = pass; n0; --k) x[k] = x[k - 1]; - for (int k = 3; k>0; --k) val[k] = val[k - 1]; - } - *data = (T)0; - } - } break; - } - } - - //! Van Vliet recursive Gaussian filter. - /** - \param sigma standard deviation of the Gaussian filter - \param order the order of the filter 0,1,2,3 - \param axis Axis along which the filter is computed. Can be { 'x' | 'y' | 'z' | 'c' }. - \param boundary_conditions Boundary conditions. Can be { 0=dirichlet | 1=neumann }. - \note dirichlet boundary condition has a strange behavior - - I.T. Young, L.J. van Vliet, M. van Ginkel, Recursive Gabor filtering. - IEEE Trans. Sig. Proc., vol. 50, pp. 2799-2805, 2002. - - (this is an improvement over Young-Van Vliet, Sig. Proc. 44, 1995) - - Boundary conditions (only for order 0) using Triggs matrix, from - B. Triggs and M. Sdika. Boundary conditions for Young-van Vliet - recursive filtering. IEEE Trans. Signal Processing, - vol. 54, pp. 2365-2367, 2006. - **/ - CImg& vanvliet(const float sigma, const unsigned int order, const char axis='x', - const bool boundary_conditions=true) { - if (is_empty()) return *this; - const char naxis = cimg::uncase(axis); - const float nsigma = sigma>=0?sigma:-sigma*(naxis=='x'?_width:naxis=='y'?_height:naxis=='z'?_depth:_spectrum)/100; - if (is_empty() || (nsigma<0.5f && !order)) return *this; - const double - nnsigma = nsigma<0.5f?0.5f:nsigma, - m0 = 1.16680, m1 = 1.10783, m2 = 1.40586, - m1sq = m1 * m1, m2sq = m2 * m2, - q = (nnsigma<3.556?-0.2568 + 0.5784*nnsigma + 0.0561*nnsigma*nnsigma:2.5091 + 0.9804*(nnsigma - 3.556)), - qsq = q * q, - scale = (m0 + q) * (m1sq + m2sq + 2 * m1 * q + qsq), - b1 = -q * (2 * m0 * m1 + m1sq + m2sq + (2 * m0 + 4 * m1) * q + 3 * qsq) / scale, - b2 = qsq * (m0 + 2 * m1 + 3 * q) / scale, - b3 = -qsq * q / scale, - B = ( m0 * (m1sq + m2sq) ) / scale; - double filter[4]; - filter[0] = B; filter[1] = -b1; filter[2] = -b2; filter[3] = -b3; - switch (naxis) { - case 'x' : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth*_spectrum>=16) -#endif - cimg_forYZC(*this,y,z,c) - _cimg_recursive_apply(data(0,y,z,c),filter,_width,1U,order,boundary_conditions); - } break; - case 'y' : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth*_spectrum>=16) -#endif - cimg_forXZC(*this,x,z,c) - _cimg_recursive_apply(data(x,0,z,c),filter,_height,(unsigned long)_width,order,boundary_conditions); - } break; - case 'z' : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth*_spectrum>=16) -#endif - cimg_forXYC(*this,x,y,c) - _cimg_recursive_apply(data(x,y,0,c),filter,_depth,(unsigned long)(_width*_height), - order,boundary_conditions); - } break; - default : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth*_spectrum>=16) -#endif - cimg_forXYZ(*this,x,y,z) - _cimg_recursive_apply(data(x,y,z,0),filter,_spectrum,(unsigned long)(_width*_height*_depth), - order,boundary_conditions); - } - } - return *this; - } - - //! Blur image using Van Vliet recursive Gaussian filter. \newinstance. - CImg get_vanvliet(const float sigma, const unsigned int order, const char axis='x', - const bool boundary_conditions=true) const { - return CImg(*this,false).vanvliet(sigma,order,axis,boundary_conditions); - } - - //! Blur image. - /** - \param sigma_x Standard deviation of the blur, along the X-axis. - \param sigma_y Standard deviation of the blur, along the Y-axis. - \param sigma_z Standard deviation of the blur, along the Z-axis. - \param boundary_conditions Boundary conditions. Can be { false=dirichlet | true=neumann }. - \param is_gaussian Tells if the blur uses a gaussian (\c true) or quasi-gaussian (\c false) kernel. - \note - - The blur is computed as a 0-order Deriche filter. This is not a gaussian blur. - - This is a recursive algorithm, not depending on the values of the standard deviations. - \see deriche(), vanvliet(). - **/ - CImg& blur(const float sigma_x, const float sigma_y, const float sigma_z, - const bool boundary_conditions=true, const bool is_gaussian=false) { - if (is_empty()) return *this; - if (is_gaussian) { - if (_width>1) vanvliet(sigma_x,0,'x',boundary_conditions); - if (_height>1) vanvliet(sigma_y,0,'y',boundary_conditions); - if (_depth>1) vanvliet(sigma_z,0,'z',boundary_conditions); - } else { - if (_width>1) deriche(sigma_x,0,'x',boundary_conditions); - if (_height>1) deriche(sigma_y,0,'y',boundary_conditions); - if (_depth>1) deriche(sigma_z,0,'z',boundary_conditions); - } - return *this; - } - - //! Blur image \newinstance. - CImg get_blur(const float sigma_x, const float sigma_y, const float sigma_z, - const bool boundary_conditions=true, const bool is_gaussian=false) const { - return CImg(*this,false).blur(sigma_x,sigma_y,sigma_z,boundary_conditions,is_gaussian); - } - - //! Blur image isotropically. - /** - \param sigma Standard deviation of the blur. - \param boundary_conditions Boundary conditions. Can be { 0=dirichlet | 1=neumann }.a - \see deriche(), vanvliet(). - **/ - CImg& blur(const float sigma, const bool boundary_conditions=true, const bool is_gaussian=false) { - const float nsigma = sigma>=0?sigma:-sigma*cimg::max(_width,_height,_depth)/100; - return blur(nsigma,nsigma,nsigma,boundary_conditions,is_gaussian); - } - - //! Blur image isotropically \newinstance. - CImg get_blur(const float sigma, const bool boundary_conditions=true, const bool is_gaussian=false) const { - return CImg(*this,false).blur(sigma,boundary_conditions,is_gaussian); - } - - //! Blur image anisotropically, directed by a field of diffusion tensors. - /** - \param G Field of square roots of diffusion tensors/vectors used to drive the smoothing. - \param amplitude Amplitude of the smoothing. - \param dl Spatial discretization. - \param da Angular discretization. - \param gauss_prec Precision of the diffusion process. - \param interpolation_type Interpolation scheme. - Can be { 0=nearest-neighbor | 1=linear | 2=Runge-Kutta }. - \param is_fast_approx Tells if a fast approximation of the gaussian function is used or not. - **/ - template - CImg& blur_anisotropic(const CImg& G, - const float amplitude=60, const float dl=0.8f, const float da=30, - const float gauss_prec=2, const unsigned int interpolation_type=0, - const bool is_fast_approx=1) { - - // Check arguments and init variables - if (!is_sameXYZ(G) || (G._spectrum!=3 && G._spectrum!=6)) - throw CImgArgumentException(_cimg_instance - "blur_anisotropic(): Invalid specified diffusion tensor field (%u,%u,%u,%u,%p).", - cimg_instance, - G._width,G._height,G._depth,G._spectrum,G._data); - - if (is_empty() || amplitude<=0 || dl<0) return *this; - const bool is_3d = (G._spectrum==6); - T val_min, val_max = max_min(val_min); - - if (da<=0) { // Iterated oriented Laplacians - CImg velocity(_width,_height,_depth,_spectrum); - for (unsigned int iteration = 0; iteration<(unsigned int)amplitude; ++iteration) { - Tfloat *ptrd = velocity._data, veloc_max = 0; - if (is_3d) // 3d version - cimg_forC(*this,c) { - cimg_test_abort(); - CImg_3x3x3(I,Tfloat); - cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) { - const Tfloat - ixx = Incc + Ipcc - 2*Iccc, - ixy = (Innc + Ippc - Inpc - Ipnc)/4, - ixz = (Incn + Ipcp - Incp - Ipcn)/4, - iyy = Icnc + Icpc - 2*Iccc, - iyz = (Icnn + Icpp - Icnp - Icpn)/4, - izz = Iccn + Iccp - 2*Iccc, - veloc = (Tfloat)(G(x,y,z,0)*ixx + 2*G(x,y,z,1)*ixy + 2*G(x,y,z,2)*ixz + - G(x,y,z,3)*iyy + 2*G(x,y,z,4)*iyz + G(x,y,z,5)*izz); - *(ptrd++) = veloc; - if (veloc>veloc_max) veloc_max = veloc; else if (-veloc>veloc_max) veloc_max = -veloc; - } - } - else // 2d version - cimg_forZC(*this,z,c) { - cimg_test_abort(); - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,z,c,I,Tfloat) { - const Tfloat - ixx = Inc + Ipc - 2*Icc, - ixy = (Inn + Ipp - Inp - Ipn)/4, - iyy = Icn + Icp - 2*Icc, - veloc = (Tfloat)(G(x,y,0,0)*ixx + 2*G(x,y,0,1)*ixy + G(x,y,0,2)*iyy); - *(ptrd++) = veloc; - if (veloc>veloc_max) veloc_max = veloc; else if (-veloc>veloc_max) veloc_max = -veloc; - } - } - if (veloc_max>0) *this+=(velocity*=dl/veloc_max); - } - } else { // LIC-based smoothing. - const unsigned long whd = (unsigned long)_width*_height*_depth; - const float sqrt2amplitude = (float)std::sqrt(2*amplitude); - const int dx1 = width() - 1, dy1 = height() - 1, dz1 = depth() - 1; - CImg res(_width,_height,_depth,_spectrum,0), W(_width,_height,_depth,is_3d?4:3), val(_spectrum,1,1,1,0); - int N = 0; - if (is_3d) { // 3d version - for (float phi = (180%(int)da)/2.0f; phi<=180; phi+=da) { - const float phir = (float)(phi*cimg::PI/180), datmp = (float)(da/std::cos(phir)), - da2 = datmp<1?360.0f:datmp; - for (float theta = 0; theta<360; (theta+=da2),++N) { - const float - thetar = (float)(theta*cimg::PI/180), - vx = (float)(std::cos(thetar)*std::cos(phir)), - vy = (float)(std::sin(thetar)*std::cos(phir)), - vz = (float)std::sin(phir); - const t - *pa = G.data(0,0,0,0), *pb = G.data(0,0,0,1), *pc = G.data(0,0,0,2), - *pd = G.data(0,0,0,3), *pe = G.data(0,0,0,4), *pf = G.data(0,0,0,5); - Tfloat *pd0 = W.data(0,0,0,0), *pd1 = W.data(0,0,0,1), *pd2 = W.data(0,0,0,2), *pd3 = W.data(0,0,0,3); - cimg_forXYZ(G,xg,yg,zg) { - const t a = *(pa++), b = *(pb++), c = *(pc++), d = *(pd++), e = *(pe++), f = *(pf++); - const float - u = (float)(a*vx + b*vy + c*vz), - v = (float)(b*vx + d*vy + e*vz), - w = (float)(c*vx + e*vy + f*vz), - n = (float)std::sqrt(1e-5 + u*u + v*v + w*w), - dln = dl/n; - *(pd0++) = (Tfloat)(u*dln); - *(pd1++) = (Tfloat)(v*dln); - *(pd2++) = (Tfloat)(w*dln); - *(pd3++) = (Tfloat)n; - } - - cimg_test_abort(); -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=256 && _height*_depth>=2) firstprivate(val) -#endif - cimg_forXYZ(*this,x,y,z) { - val.fill(0); - const float - n = (float)W(x,y,z,3), - fsigma = (float)(n*sqrt2amplitude), - fsigma2 = 2*fsigma*fsigma, - length = gauss_prec*fsigma; - float - S = 0, - X = (float)x, - Y = (float)y, - Z = (float)z; - switch (interpolation_type) { - case 0 : { // Nearest neighbor - for (float l = 0; l=0 && X<=dx1 && Y>=0 && Y<=dy1 && Z>=0 && Z<=dz1; l+=dl) { - const int - cx = (int)(X + 0.5f), - cy = (int)(Y + 0.5f), - cz = (int)(Z + 0.5f); - const float - u = (float)W(cx,cy,cz,0), - v = (float)W(cx,cy,cz,1), - w = (float)W(cx,cy,cz,2); - if (is_fast_approx) { cimg_forC(*this,c) val[c]+=(Tfloat)(*this)(cx,cy,cz,c); ++S; } - else { - const float coef = (float)std::exp(-l*l/fsigma2); - cimg_forC(*this,c) val[c]+=(Tfloat)(coef*(*this)(cx,cy,cz,c)); - S+=coef; - } - X+=u; Y+=v; Z+=w; - } - } break; - case 1 : { // Linear interpolation - for (float l = 0; l=0 && X<=dx1 && Y>=0 && Y<=dy1 && Z>=0 && Z<=dz1; l+=dl) { - const float - u = (float)(W._linear_atXYZ(X,Y,Z,0)), - v = (float)(W._linear_atXYZ(X,Y,Z,1)), - w = (float)(W._linear_atXYZ(X,Y,Z,2)); - if (is_fast_approx) { cimg_forC(*this,c) val[c]+=(Tfloat)_linear_atXYZ(X,Y,Z,c); ++S; } - else { - const float coef = (float)std::exp(-l*l/fsigma2); - cimg_forC(*this,c) val[c]+=(Tfloat)(coef*_linear_atXYZ(X,Y,Z,c)); - S+=coef; - } - X+=u; Y+=v; Z+=w; - } - } break; - default : { // 2nd order Runge Kutta - for (float l = 0; l=0 && X<=dx1 && Y>=0 && Y<=dy1 && Z>=0 && Z<=dz1; l+=dl) { - const float - u0 = (float)(0.5f*W._linear_atXYZ(X,Y,Z,0)), - v0 = (float)(0.5f*W._linear_atXYZ(X,Y,Z,1)), - w0 = (float)(0.5f*W._linear_atXYZ(X,Y,Z,2)), - u = (float)(W._linear_atXYZ(X + u0,Y + v0,Z + w0,0)), - v = (float)(W._linear_atXYZ(X + u0,Y + v0,Z + w0,1)), - w = (float)(W._linear_atXYZ(X + u0,Y + v0,Z + w0,2)); - if (is_fast_approx) { cimg_forC(*this,c) val[c]+=(Tfloat)_linear_atXYZ(X,Y,Z,c); ++S; } - else { - const float coef = (float)std::exp(-l*l/fsigma2); - cimg_forC(*this,c) val[c]+=(Tfloat)(coef*_linear_atXYZ(X,Y,Z,c)); - S+=coef; - } - X+=u; Y+=v; Z+=w; - } - } break; - } - Tfloat *ptrd = res.data(x,y,z); - if (S>0) cimg_forC(res,c) { *ptrd+=val[c]/S; ptrd+=whd; } - else cimg_forC(res,c) { *ptrd+=(Tfloat)((*this)(x,y,z,c)); ptrd+=whd; } - } - } - } - } else { // 2d LIC algorithm - for (float theta = (360%(int)da)/2.0f; theta<360; (theta+=da),++N) { - const float thetar = (float)(theta*cimg::PI/180), - vx = (float)(std::cos(thetar)), vy = (float)(std::sin(thetar)); - const t *pa = G.data(0,0,0,0), *pb = G.data(0,0,0,1), *pc = G.data(0,0,0,2); - Tfloat *pd0 = W.data(0,0,0,0), *pd1 = W.data(0,0,0,1), *pd2 = W.data(0,0,0,2); - cimg_forXY(G,xg,yg) { - const t a = *(pa++), b = *(pb++), c = *(pc++); - const float - u = (float)(a*vx + b*vy), - v = (float)(b*vx + c*vy), - n = (float)std::sqrt(1e-5 + u*u + v*v), - dln = dl/n; - *(pd0++) = (Tfloat)(u*dln); - *(pd1++) = (Tfloat)(v*dln); - *(pd2++) = (Tfloat)n; - } - - cimg_test_abort(); -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width>=256 && _height>=2) firstprivate(val) -#endif - cimg_forXY(*this,x,y) { - val.fill(0); - const float - n = (float)W(x,y,0,2), - fsigma = (float)(n*sqrt2amplitude), - fsigma2 = 2*fsigma*fsigma, - length = gauss_prec*fsigma; - float - S = 0, - X = (float)x, - Y = (float)y; - switch (interpolation_type) { - case 0 : { // Nearest-neighbor - for (float l = 0; l=0 && X<=dx1 && Y>=0 && Y<=dy1; l+=dl) { - const int - cx = (int)(X + 0.5f), - cy = (int)(Y + 0.5f); - const float - u = (float)W(cx,cy,0,0), - v = (float)W(cx,cy,0,1); - if (is_fast_approx) { cimg_forC(*this,c) val[c]+=(Tfloat)(*this)(cx,cy,0,c); ++S; } - else { - const float coef = (float)std::exp(-l*l/fsigma2); - cimg_forC(*this,c) val[c]+=(Tfloat)(coef*(*this)(cx,cy,0,c)); - S+=coef; - } - X+=u; Y+=v; - } - } break; - case 1 : { // Linear interpolation - for (float l = 0; l=0 && X<=dx1 && Y>=0 && Y<=dy1; l+=dl) { - const float - u = (float)(W._linear_atXY(X,Y,0,0)), - v = (float)(W._linear_atXY(X,Y,0,1)); - if (is_fast_approx) { cimg_forC(*this,c) val[c]+=(Tfloat)_linear_atXY(X,Y,0,c); ++S; } - else { - const float coef = (float)std::exp(-l*l/fsigma2); - cimg_forC(*this,c) val[c]+=(Tfloat)(coef*_linear_atXY(X,Y,0,c)); - S+=coef; - } - X+=u; Y+=v; - } - } break; - default : { // 2nd-order Runge-kutta interpolation - for (float l = 0; l=0 && X<=dx1 && Y>=0 && Y<=dy1; l+=dl) { - const float - u0 = (float)(0.5f*W._linear_atXY(X,Y,0,0)), - v0 = (float)(0.5f*W._linear_atXY(X,Y,0,1)), - u = (float)(W._linear_atXY(X + u0,Y + v0,0,0)), - v = (float)(W._linear_atXY(X + u0,Y + v0,0,1)); - if (is_fast_approx) { cimg_forC(*this,c) val[c]+=(Tfloat)_linear_atXY(X,Y,0,c); ++S; } - else { - const float coef = (float)std::exp(-l*l/fsigma2); - cimg_forC(*this,c) val[c]+=(Tfloat)(coef*_linear_atXY(X,Y,0,c)); - S+=coef; - } - X+=u; Y+=v; - } - } - } - Tfloat *ptrd = res.data(x,y); - if (S>0) cimg_forC(res,c) { *ptrd+=val[c]/S; ptrd+=whd; } - else cimg_forC(res,c) { *ptrd+=(Tfloat)((*this)(x,y,0,c)); ptrd+=whd; } - } - } - } - const Tfloat *ptrs = res._data; - cimg_for(*this,ptrd,T) { - const Tfloat val = *(ptrs++)/N; - *ptrd = valval_max?val_max:(T)val); - } - } - return *this; - } - - //! Blur image anisotropically, directed by a field of diffusion tensors \newinstance. - template - CImg get_blur_anisotropic(const CImg& G, - const float amplitude=60, const float dl=0.8f, const float da=30, - const float gauss_prec=2, const unsigned int interpolation_type=0, - const bool is_fast_approx=true) const { - return CImg(*this,false).blur_anisotropic(G,amplitude,dl,da,gauss_prec,interpolation_type,is_fast_approx); - } - - //! Blur image anisotropically, in an edge-preserving way. - /** - \param amplitude Amplitude of the smoothing. - \param sharpness Sharpness. - \param anisotropy Anisotropy. - \param alpha Standard deviation of the gradient blur. - \param sigma Standard deviation of the structure tensor blur. - \param dl Spatial discretization. - \param da Angular discretization. - \param gauss_prec Precision of the diffusion process. - \param interpolation_type Interpolation scheme. - Can be { 0=nearest-neighbor | 1=linear | 2=Runge-Kutta }. - \param is_fast_approx Tells if a fast approximation of the gaussian function is used or not. - **/ - CImg& blur_anisotropic(const float amplitude, const float sharpness=0.7f, const float anisotropy=0.6f, - const float alpha=0.6f, const float sigma=1.1f, const float dl=0.8f, const float da=30, - const float gauss_prec=2, const unsigned int interpolation_type=0, - const bool is_fast_approx=true) { - return blur_anisotropic(get_diffusion_tensors(sharpness,anisotropy,alpha,sigma,interpolation_type!=3), - amplitude,dl,da,gauss_prec,interpolation_type,is_fast_approx); - } - - //! Blur image anisotropically, in an edge-preserving way \newinstance. - CImg get_blur_anisotropic(const float amplitude, const float sharpness=0.7f, const float anisotropy=0.6f, - const float alpha=0.6f, const float sigma=1.1f, const float dl=0.8f, - const float da=30, const float gauss_prec=2, - const unsigned int interpolation_type=0, - const bool is_fast_approx=true) const { - return CImg(*this,false).blur_anisotropic(amplitude,sharpness,anisotropy,alpha,sigma,dl,da,gauss_prec, - interpolation_type,is_fast_approx); - } - - //! Blur image, with the joint bilateral filter. - /** - \param guide Image used to model the smoothing weights. - \param sigma_x Amount of blur along the X-axis. - \param sigma_y Amount of blur along the Y-axis. - \param sigma_z Amount of blur along the Z-axis. - \param sigma_r Amount of blur along the value axis. - \param sampling_x Amount of downsampling along the X-axis used for the approximation. - Defaults (0) to sigma_x. - \param sampling_y Amount of downsampling along the Y-axis used for the approximation. - Defaults (0) to sigma_y. - \param sampling_z Amount of downsampling along the Z-axis used for the approximation. - Defaults (0) to sigma_z. - \param sampling_r Amount of downsampling along the value axis used for the approximation. - Defaults (0) to sigma_r. - \note This algorithm uses the optimisation technique proposed by S. Paris and F. Durand, in ECCV'2006 - (extended for 3d volumetric images). - It is based on the reference implementation http://people.csail.mit.edu/jiawen/software/bilateralFilter.m - **/ - template - CImg& blur_bilateral(const CImg& guide, - const float sigma_x, const float sigma_y, - const float sigma_z, const float sigma_r, - const float sampling_x, const float sampling_y, - const float sampling_z, const float sampling_r) { - if (!is_sameXYZ(guide)) - throw CImgArgumentException(_cimg_instance - "blur_bilateral(): Invalid size for specified guide image (%u,%u,%u,%u,%p).", - cimg_instance, - guide._width,guide._height,guide._depth,guide._spectrum,guide._data); - if (is_empty()) return *this; - T edge_min, edge_max = guide.max_min(edge_min); - if (edge_min==edge_max || sigma_r == 0.) return *this; - const float - edge_delta = (float)(edge_max - edge_min), - _sigma_x = sigma_x>=0?sigma_x:-sigma_x*_width/100, - _sigma_y = sigma_y>=0?sigma_y:-sigma_y*_height/100, - _sigma_z = sigma_z>=0?sigma_z:-sigma_z*_depth/100, - _sigma_r = sigma_r>=0?sigma_r:-sigma_r*(edge_max-edge_min)/100, - _sampling_x = sampling_x?sampling_x:cimg::max(_sigma_x,1.0f), - _sampling_y = sampling_y?sampling_y:cimg::max(_sigma_y,1.0f), - _sampling_z = sampling_z?sampling_z:cimg::max(_sigma_z,1.0f), - _sampling_r = sampling_r?sampling_r:cimg::max(_sigma_r,edge_delta/256), - derived_sigma_x = _sigma_x / _sampling_x, - derived_sigma_y = _sigma_y / _sampling_y, - derived_sigma_z = _sigma_z / _sampling_z, - derived_sigma_r = _sigma_r / _sampling_r; - const int - padding_x = (int)(2*derived_sigma_x) + 1, - padding_y = (int)(2*derived_sigma_y) + 1, - padding_z = (int)(2*derived_sigma_z) + 1, - padding_r = (int)(2*derived_sigma_r) + 1; - const unsigned int - bx = (unsigned int)((_width - 1)/_sampling_x + 1 + 2*padding_x), - by = (unsigned int)((_height - 1)/_sampling_y + 1 + 2*padding_y), - bz = (unsigned int)((_depth - 1)/_sampling_z + 1 + 2*padding_z), - br = (unsigned int)(edge_delta/_sampling_r + 1 + 2*padding_r); - if (bx>0 || by>0 || bz>0 || br>0) { - const bool is_3d = (_depth>1); - if (is_3d) { // 3d version of the algorithm - CImg bgrid(bx,by,bz,br), bgridw(bx,by,bz,br); - cimg_forC(*this,c) { - const CImg _guide = guide.get_shared_channel(c%guide._spectrum); - bgrid.fill(0); bgridw.fill(0); - cimg_forXYZ(*this,x,y,z) { - const T val = (*this)(x,y,z,c); - const float edge = (float)_guide(x,y,z); - const int - X = (int)cimg::round(x/_sampling_x) + padding_x, - Y = (int)cimg::round(y/_sampling_y) + padding_y, - Z = (int)cimg::round(z/_sampling_z) + padding_z, - R = (int)cimg::round((edge-edge_min)/_sampling_r) + padding_r; - bgrid(X,Y,Z,R)+=(float)val; - bgridw(X,Y,Z,R)+=1; - } - bgrid.blur(derived_sigma_x,derived_sigma_y,derived_sigma_z,true).deriche(derived_sigma_r,0,'c',false); - bgridw.blur(derived_sigma_x,derived_sigma_y,derived_sigma_z,true).deriche(derived_sigma_r,0,'c',false); - cimg_forXYZ(*this,x,y,z) { - const float edge = (float)_guide(x,y,z); - const float - X = x/_sampling_x + padding_x, - Y = y/_sampling_y + padding_y, - Z = z/_sampling_z + padding_z, - R = (edge-edge_min)/_sampling_r + padding_r; - const float bval0 = bgrid.linear_atXYZC(X,Y,Z,R), bval1 = bgridw.linear_atXYZC(X,Y,Z,R); - (*this)(x,y,z,c) = (T)(bval0/bval1); - } - } - } else { // 2d version of the algorithm - CImg bgrid(bx,by,br,2); - cimg_forC(*this,c) { - const CImg _guide = guide.get_shared_channel(c%guide._spectrum); - bgrid.fill(0); - cimg_forXY(*this,x,y) { - const T val = (*this)(x,y,c); - const float edge = (float)_guide(x,y); - const int - X = (int)cimg::round(x/_sampling_x) + padding_x, - Y = (int)cimg::round(y/_sampling_y) + padding_y, - R = (int)cimg::round((edge-edge_min)/_sampling_r) + padding_r; - bgrid(X,Y,R,0)+=(float)val; - bgrid(X,Y,R,1)+=1; - } - bgrid.blur(derived_sigma_x,derived_sigma_y,0,true).blur(0,0,derived_sigma_r,false); - cimg_forXY(*this,x,y) { - const float edge = (float)_guide(x,y); - const float - X = x/_sampling_x + padding_x, - Y = y/_sampling_y + padding_y, - R = (edge-edge_min)/_sampling_r + padding_r; - const float bval0 = bgrid.linear_atXYZ(X,Y,R,0), bval1 = bgrid.linear_atXYZ(X,Y,R,1); - (*this)(x,y,c) = (T)(bval0/bval1); - } - } - } - } - return *this; - } - - //! Blur image, with the joint bilateral filter \newinstance. - template - CImg get_blur_bilateral(const CImg& guide, - const float sigma_x, const float sigma_y, - const float sigma_z, const float sigma_r, - const float sampling_x, const float sampling_y, - const float sampling_z, const float sampling_r) const { - return CImg(*this,false).blur_bilateral(guide,sigma_x,sigma_y,sigma_z,sigma_r, - sampling_x,sampling_y,sampling_z,sampling_r); - } - - //! Blur image using the joint bilateral filter. - /** - \param guide Image used to model the smoothing weights. - \param sigma_s Amount of blur along the XYZ-axes. - \param sigma_r Amount of blur along the value axis. - \param sampling_s Amount of downsampling along the XYZ-axes used for the approximation. Defaults to sigma_s. - \param sampling_r Amount of downsampling along the value axis used for the approximation. Defaults to sigma_r. - **/ - template - CImg& blur_bilateral(const CImg& guide, - const float sigma_s, const float sigma_r, - const float sampling_s=0, const float sampling_r=0) { - const float _sigma_s = sigma_s>=0?sigma_s:-sigma_s*cimg::max(_width,_height,_depth)/100; - return blur_bilateral(guide,_sigma_s,_sigma_s,_sigma_s,sigma_r,sampling_s,sampling_s,sampling_s,sampling_r); - } - - //! Blur image using the bilateral filter \newinstance. - template - CImg get_blur_bilateral(const CImg& guide, - const float sigma_s, const float sigma_r, - const float sampling_s=0, const float sampling_r=0) const { - return CImg(*this,false).blur_bilateral(guide,sigma_s,sigma_r,sampling_s,sampling_r); - } - - // [internal] Apply a box filter (used by CImg::boxfilter() and CImg::blur_box()). - /* - \param ptr the pointer of the data - \param N size of the data - \param sigma sigma of the box filter - \param off the offset between two data point - \param order the order of the filter 0 (smoothing), 1st derivtive and 2nd derivative. - \param boundary_conditions Boundary conditions. Can be { 0=dirichlet | 1=neumann }. - */ - static void _cimg_blur_box_apply(T *ptr, const float sigma, const int N, const unsigned long off, - const int order, const bool boundary_conditions) { - // Smooth. - if (sigma>1) { - const int w2 = (int)(sigma - 1)/2; - const unsigned int winsize = 2*w2 + 1U; - const double frac = (sigma - winsize)/2.0; - CImg win(winsize); - Tfloat sum = 0; // window sum - for (int x = -w2; x<=w2; ++x) { - win[x + w2] = __cimg_blur_box_apply(ptr,N,off,boundary_conditions,x); - sum+=win[x + w2]; - } - int ifirst = 0, ilast = 2*w2; - Tfloat - prev = __cimg_blur_box_apply(ptr,N,off,boundary_conditions,-w2 - 1), - next = __cimg_blur_box_apply(ptr,N,off,boundary_conditions,w2 + 1); - for (int x = 0; x < N - 1; ++x) { - const double sum2 = sum + frac * (prev + next); - ptr[x*off] = (T)(sum2/sigma); - prev = win[ifirst]; - sum-=prev; - ifirst = (int)((ifirst + 1)%winsize); - ilast = (int)((ilast + 1)%winsize); - win[ilast] = next; - sum+=next; - next = __cimg_blur_box_apply(ptr,N,off,boundary_conditions,x + w2 + 2); - } - const double sum2 = sum + frac * (prev + next); - ptr[(N - 1)*off] = (T)(sum2/sigma); - } - - // Derive. - switch (order) { - case 0 : - break; - case 1 : { - Tfloat - p = __cimg_blur_box_apply(ptr,N,off,boundary_conditions,-1), - c = __cimg_blur_box_apply(ptr,N,off,boundary_conditions,0), - n = __cimg_blur_box_apply(ptr,N,off,boundary_conditions,1); - for (int x = 0; x=N) return boundary_conditions?ptr[(N - 1)*off]:T(); - return ptr[x*off]; - } - - // Apply box filter of order 0,1,2. - /** - \param sigma sigma of the box filter - \param order the order of the filter 0,1 or 2. - \param axis Axis along which the filter is computed. Can be { 'x' | 'y' | 'z' | 'c' }. - \param boundary_conditions Boundary conditions. Can be { 0=dirichlet | 1=neumann }. - **/ - CImg& boxfilter(const float sigma, const int order, const char axis='x', - const bool boundary_conditions=true) { - if (is_empty() || !sigma || (sigma<=1 && !order)) return *this; - const char naxis = cimg::uncase(axis); - const float nsigma = sigma>=0?sigma:-sigma*(naxis=='x'?_width:naxis=='y'?_height:naxis=='z'?_depth:_spectrum)/100; - switch (naxis) { - case 'x' : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth*_spectrum>=16) -#endif - cimg_forYZC(*this,y,z,c) - _cimg_blur_box_apply(data(0,y,z,c),nsigma,_width,1U,order,boundary_conditions); - } break; - case 'y' : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth*_spectrum>=16) -#endif - cimg_forXZC(*this,x,z,c) - _cimg_blur_box_apply(data(x,0,z,c),nsigma,_height,(unsigned long)_width,order,boundary_conditions); - } break; - case 'z' : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth*_spectrum>=16) -#endif - cimg_forXYC(*this,x,y,c) - _cimg_blur_box_apply(data(x,y,0,c),nsigma,_depth,(unsigned long)(_width*_height),order,boundary_conditions); - } break; - default : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=256 && _height*_depth*_spectrum>=16) -#endif - cimg_forXYZ(*this,x,y,z) - _cimg_blur_box_apply(data(x,y,z,0),nsigma,_spectrum,(unsigned long)(_width*_height*_depth), - order,boundary_conditions); - } - } - return *this; - } - - // Apply box filter of order 0,1 or 2 \newinstance. - CImg get_boxfilter(const float sigma, const int order, const char axis='x', - const bool boundary_conditions=true) const { - return CImg(*this,false).boxfilter(sigma,order,axis,boundary_conditions); - } - - //! Blur image with a box filter. - /** - \param sigma_x Size of the box window, along the X-axis. - \param sigma_y Size of the box window, along the Y-axis. - \param sigma_z Size of the box window, along the Z-axis. - \param boundary_conditions Boundary conditions. Can be { false=dirichlet | true=neumann }. - \note - - This is a recursive algorithm, not depending on the values of the box kernel size. - \see blur(). - **/ - CImg& blur_box(const float sigma_x, const float sigma_y, const float sigma_z, - const bool boundary_conditions=true) { - if (is_empty()) return *this; - if (_width>1) boxfilter(sigma_x,0,'x',boundary_conditions); - if (_height>1) boxfilter(sigma_y,0,'y',boundary_conditions); - if (_depth>1) boxfilter(sigma_z,0,'z',boundary_conditions); - return *this; - } - - //! Blur image with a box filter \newinstance. - CImg get_blur_box(const float sigma_x, const float sigma_y, const float sigma_z, - const bool boundary_conditions=true) const { - return CImg(*this,false).blur_box(sigma_x,sigma_y,sigma_z,boundary_conditions); - } - - //! Blur image with a box filter. - /** - \param sigma Size of the box window. - \param boundary_conditions Boundary conditions. Can be { 0=dirichlet | 1=neumann }.a - \see deriche(), vanvliet(). - **/ - CImg& blur_box(const float sigma, const bool boundary_conditions=true) { - const float nsigma = sigma>=0?sigma:-sigma*cimg::max(_width,_height,_depth)/100; - return blur_box(nsigma,nsigma,nsigma,boundary_conditions); - } - - //! Blur image with a box filter \newinstance. - CImg get_blur_box(const float sigma, const bool boundary_conditions=true) const { - return CImg(*this,false).blur_box(sigma,boundary_conditions); - } - - //! Blur image, with the image guided filter. - /** - \param guide Image used to guide the smoothing process. - \param radius Spatial radius. - \param regularization Regularization parameter. - - \note This method implements the filtering algorithm described in: - He, Kaiming; Sun, Jian; Tang, Xiaoou, "Guided Image Filtering," Pattern Analysis and Machine Intelligence, - IEEE Transactions on , vol.35, no.6, pp.1397,1409, June 2013 - **/ - template - CImg& blur_guided(const CImg& guide, const float radius, const float regularization) { - return get_blur_guided(guide,radius,regularization).move_to(*this); - } - - //! Blur image, with the image guided filter \newinstance. - template - CImg get_blur_guided(const CImg& guide, const float radius, const float regularization) const { - if (!is_sameXYZ(guide)) - throw CImgArgumentException(_cimg_instance - "blur_guided(): Invalid size for specified guide image (%u,%u,%u,%u,%p).", - cimg_instance, - guide._width,guide._height,guide._depth,guide._spectrum,guide._data); - if (is_empty() || !radius) return *this; - const int _radius = radius>=0?(int)radius:(int)(-radius*cimg::max(_width,_height,_depth)/100); - const unsigned int psize = (unsigned int)(1 + 2*_radius); - const CImg N = CImg(_width,_height,_depth,1,1)._blur_guided(psize); - CImg - mean_I = CImg(guide,false)._blur_guided(psize).div(N), - mean_p = CImg(*this,false)._blur_guided(psize).div(N), - cov_Ip = CImg(*this,false).mul(guide)._blur_guided(psize).div(N)-=mean_p.get_mul(mean_I), - var_I = CImg(guide,false).sqr()._blur_guided(psize).div(N)-=mean_I.get_sqr(), - &a = cov_Ip.div(var_I+=regularization), - &b = mean_p-=a.get_mul(mean_I); - a._blur_guided(psize).div(N); - b._blur_guided(psize).div(N); - return a.mul(guide)+=b; - } - - // [internal] Perform box filter with dirichlet boundary conditions. - CImg& _blur_guided(const unsigned int psize) { - const int p1 = (int)psize/2, p2 = (int)psize - p1; - if (_depth!=1) { - CImg cumul = get_cumulate('z'), cumul2 = cumul.get_shift(0,0,p2,0,1); - (cumul.shift(0,0,-p1,0,1)-=cumul2).move_to(*this); - } - if (_height!=1) { - CImg cumul = get_cumulate('y'), cumul2 = cumul.get_shift(0,p2,0,0,1); - (cumul.shift(0,-p1,0,0,1)-=cumul2).move_to(*this); - } - if (_width!=1) { - CImg cumul = get_cumulate('x'), cumul2 = cumul.get_shift(p2,0,0,0,1); - (cumul.shift(-p1,0,0,0,1)-=cumul2).move_to(*this); - } - return *this; - } - - //! Blur image using patch-based space. - /** - \param sigma_s Amount of blur along the XYZ-axes. - \param sigma_p Amount of blur along the value axis. - \param patch_size Size of the patchs. - \param lookup_size Size of the window to search similar patchs. - \param smoothness Smoothness for the patch comparison. - \param is_fast_approx Tells if a fast approximation of the gaussian function is used or not. - **/ - CImg& blur_patch(const float sigma_s, const float sigma_p, const unsigned int patch_size=3, - const unsigned int lookup_size=4, const float smoothness=0, const bool is_fast_approx=true) { - if (is_empty() || !patch_size || !lookup_size) return *this; - return get_blur_patch(sigma_s,sigma_p,patch_size,lookup_size,smoothness,is_fast_approx).move_to(*this); - } - - //! Blur image using patch-based space \newinstance. - CImg get_blur_patch(const float sigma_s, const float sigma_p, const unsigned int patch_size=3, - const unsigned int lookup_size=4, const float smoothness=0, - const bool is_fast_approx=true) const { - -#define _cimg_blur_patch3d_fast(N) \ - cimg_for##N##XYZ(res,x,y,z) { \ - T *pP = P._data; cimg_forC(res,c) { cimg_get##N##x##N##x##N(img,x,y,z,c,pP,T); pP+=N3; } \ - const int x0 = x - rsize1, y0 = y - rsize1, z0 = z - rsize1, \ - x1 = x + rsize2, y1 = y + rsize2, z1 = z + rsize2; \ - float sum_weights = 0; \ - cimg_for_in##N##XYZ(res,x0,y0,z0,x1,y1,z1,p,q,r) if (cimg::abs(img(x,y,z,0) - img(p,q,r,0))3?0.0f:1.0f; \ - sum_weights+=weight; \ - cimg_forC(res,c) res(x,y,z,c)+=weight*(*this)(p,q,r,c); \ - } \ - if (sum_weights>0) cimg_forC(res,c) res(x,y,z,c)/=sum_weights; \ - else cimg_forC(res,c) res(x,y,z,c) = (Tfloat)((*this)(x,y,z,c)); \ - } - -#define _cimg_blur_patch3d(N) \ - cimg_for##N##XYZ(res,x,y,z) { \ - T *pP = P._data; cimg_forC(res,c) { cimg_get##N##x##N##x##N(img,x,y,z,c,pP,T); pP+=N3; } \ - const int x0 = x - rsize1, y0 = y - rsize1, z0 = z - rsize1, \ - x1 = x + rsize2, y1 = y + rsize2, z1 = z + rsize2; \ - float sum_weights = 0, weight_max = 0; \ - cimg_for_in##N##XYZ(res,x0,y0,z0,x1,y1,z1,p,q,r) if (p!=x || q!=y || r!=z) { \ - T *pQ = Q._data; cimg_forC(res,c) { cimg_get##N##x##N##x##N(img,p,q,r,c,pQ,T); pQ+=N3; } \ - float distance2 = 0; \ - pQ = Q._data; cimg_for(P,pP,T) { const float dI = (float)*pP - (float)*(pQ++); distance2+=dI*dI; } \ - distance2/=Pnorm; \ - const float dx = (float)p - x, dy = (float)q - y, dz = (float)r - z, \ - alldist = distance2 + (dx*dx + dy*dy + dz*dz)/sigma_s2, weight = (float)std::exp(-alldist); \ - if (weight>weight_max) weight_max = weight; \ - sum_weights+=weight; \ - cimg_forC(res,c) res(x,y,z,c)+=weight*(*this)(p,q,r,c); \ - } \ - sum_weights+=weight_max; cimg_forC(res,c) res(x,y,z,c)+=weight_max*(*this)(x,y,z,c); \ - if (sum_weights>0) cimg_forC(res,c) res(x,y,z,c)/=sum_weights; \ - else cimg_forC(res,c) res(x,y,z,c) = (Tfloat)((*this)(x,y,z,c)); \ - } - -#define _cimg_blur_patch2d_fast(N) \ - cimg_for##N##XY(res,x,y) { \ - T *pP = P._data; cimg_forC(res,c) { cimg_get##N##x##N(img,x,y,0,c,pP,T); pP+=N2; } \ - const int x0 = x - rsize1, y0 = y - rsize1, x1 = x + rsize2, y1 = y + rsize2; \ - float sum_weights = 0; \ - cimg_for_in##N##XY(res,x0,y0,x1,y1,p,q) if (cimg::abs(img(x,y,0,0) - img(p,q,0,0))3?0.0f:1.0f; \ - sum_weights+=weight; \ - cimg_forC(res,c) res(x,y,c)+=weight*(*this)(p,q,c); \ - } \ - if (sum_weights>0) cimg_forC(res,c) res(x,y,c)/=sum_weights; \ - else cimg_forC(res,c) res(x,y,c) = (Tfloat)((*this)(x,y,c)); \ - } - -#define _cimg_blur_patch2d(N) \ - cimg_for##N##XY(res,x,y) { \ - T *pP = P._data; cimg_forC(res,c) { cimg_get##N##x##N(img,x,y,0,c,pP,T); pP+=N2; } \ - const int x0 = x - rsize1, y0 = y - rsize1, x1 = x + rsize2, y1 = y + rsize2; \ - float sum_weights = 0, weight_max = 0; \ - cimg_for_in##N##XY(res,x0,y0,x1,y1,p,q) if (p!=x || q!=y) { \ - T *pQ = Q._data; cimg_forC(res,c) { cimg_get##N##x##N(img,p,q,0,c,pQ,T); pQ+=N2; } \ - float distance2 = 0; \ - pQ = Q._data; cimg_for(P,pP,T) { const float dI = (float)*pP - (float)*(pQ++); distance2+=dI*dI; } \ - distance2/=Pnorm; \ - const float dx = (float)p - x, dy = (float)q - y, \ - alldist = distance2 + (dx*dx+dy*dy)/sigma_s2, weight = (float)std::exp(-alldist); \ - if (weight>weight_max) weight_max = weight; \ - sum_weights+=weight; \ - cimg_forC(res,c) res(x,y,c)+=weight*(*this)(p,q,c); \ - } \ - sum_weights+=weight_max; cimg_forC(res,c) res(x,y,c)+=weight_max*(*this)(x,y,c); \ - if (sum_weights>0) cimg_forC(res,c) res(x,y,c)/=sum_weights; \ - else cimg_forC(res,c) res(x,y,c) = (Tfloat)((*this)(x,y,c)); \ - } - - if (is_empty() || !patch_size || !lookup_size) return +*this; - CImg res(_width,_height,_depth,_spectrum,0); - const CImg _img = smoothness>0?get_blur(smoothness):CImg(),&img = smoothness>0?_img:*this; - CImg P(patch_size*patch_size*_spectrum), Q(P); - const float - nsigma_s = sigma_s>=0?sigma_s:-sigma_s*cimg::max(_width,_height,_depth)/100, - sigma_s2 = nsigma_s*nsigma_s, sigma_p2 = sigma_p*sigma_p, sigma_p3 = 3*sigma_p, - Pnorm = P.size()*sigma_p2; - const int rsize2 = (int)lookup_size/2, rsize1 = (int)lookup_size - rsize2 - 1; - const unsigned int N2 = patch_size*patch_size, N3 = N2*patch_size; - cimg::unused(N2,N3); - if (_depth>1) switch (patch_size) { // 3d - case 2 : if (is_fast_approx) _cimg_blur_patch3d_fast(2) else _cimg_blur_patch3d(2) break; - case 3 : if (is_fast_approx) _cimg_blur_patch3d_fast(3) else _cimg_blur_patch3d(3) break; - default : { - const int psize2 = (int)patch_size/2, psize1 = (int)patch_size - psize2 - 1; - if (is_fast_approx) -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (res._width>=32 && res._height*res._depth>=4) private(P,Q) -#endif - cimg_forXYZ(res,x,y,z) { // Fast - P = img.get_crop(x - psize1,y - psize1,z - psize1,x + psize2,y + psize2,z + psize2,true); - const int x0 = x - rsize1, y0 = y - rsize1, z0 = z - rsize1, - x1 = x + rsize2, y1 = y + rsize2, z1 = z + rsize2; - float sum_weights = 0; - cimg_for_inXYZ(res,x0,y0,z0,x1,y1,z1,p,q,r) if (cimg::abs(img(x,y,z,0)-img(p,q,r,0))3?0.0f:1.0f; - sum_weights+=weight; - cimg_forC(res,c) res(x,y,z,c)+=weight*(*this)(p,q,r,c); - } - if (sum_weights>0) cimg_forC(res,c) res(x,y,z,c)/=sum_weights; - else cimg_forC(res,c) res(x,y,z,c) = (Tfloat)((*this)(x,y,z,c)); - } else -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (res._width>=32 && res._height*res._depth>=4) firstprivate(P,Q) -#endif - cimg_forXYZ(res,x,y,z) { // Exact - P = img.get_crop(x - psize1,y - psize1,z - psize1,x + psize2,y + psize2,z + psize2,true); - const int x0 = x - rsize1, y0 = y - rsize1, z0 = z - rsize1, - x1 = x + rsize2, y1 = y + rsize2, z1 = z + rsize2; - float sum_weights = 0, weight_max = 0; - cimg_for_inXYZ(res,x0,y0,z0,x1,y1,z1,p,q,r) if (p!=x || q!=y || r!=z) { - (Q = img.get_crop(p - psize1,q - psize1,r - psize1,p + psize2,q + psize2,r + psize2,true))-=P; - const float - dx = (float)x - p, dy = (float)y - q, dz = (float)z - r, - distance2 = (float)(Q.pow(2).sum()/Pnorm + (dx*dx + dy*dy + dz*dz)/sigma_s2), - weight = (float)std::exp(-distance2); - if (weight>weight_max) weight_max = weight; - sum_weights+=weight; - cimg_forC(res,c) res(x,y,z,c)+=weight*(*this)(p,q,r,c); - } - sum_weights+=weight_max; cimg_forC(res,c) res(x,y,z,c)+=weight_max*(*this)(x,y,z,c); - if (sum_weights>0) cimg_forC(res,c) res(x,y,z,c)/=sum_weights; - else cimg_forC(res,c) res(x,y,z,c) = (Tfloat)((*this)(x,y,z,c)); - } - } - } else switch (patch_size) { // 2d - case 2 : if (is_fast_approx) _cimg_blur_patch2d_fast(2) else _cimg_blur_patch2d(2) break; - case 3 : if (is_fast_approx) _cimg_blur_patch2d_fast(3) else _cimg_blur_patch2d(3) break; - case 4 : if (is_fast_approx) _cimg_blur_patch2d_fast(4) else _cimg_blur_patch2d(4) break; - case 5 : if (is_fast_approx) _cimg_blur_patch2d_fast(5) else _cimg_blur_patch2d(5) break; - case 6 : if (is_fast_approx) _cimg_blur_patch2d_fast(6) else _cimg_blur_patch2d(6) break; - case 7 : if (is_fast_approx) _cimg_blur_patch2d_fast(7) else _cimg_blur_patch2d(7) break; - case 8 : if (is_fast_approx) _cimg_blur_patch2d_fast(8) else _cimg_blur_patch2d(8) break; - case 9 : if (is_fast_approx) _cimg_blur_patch2d_fast(9) else _cimg_blur_patch2d(9) break; - default : { // Fast - const int psize2 = (int)patch_size/2, psize1 = (int)patch_size - psize2 - 1; - if (is_fast_approx) -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(res._width>=32 && res._height>=4) firstprivate(P,Q) -#endif - cimg_forXY(res,x,y) { // 2d fast approximation. - P = img.get_crop(x - psize1,y - psize1,x + psize2,y + psize2,true); - const int x0 = x - rsize1, y0 = y - rsize1, x1 = x + rsize2, y1 = y + rsize2; - float sum_weights = 0; - cimg_for_inXY(res,x0,y0,x1,y1,p,q) if (cimg::abs(img(x,y,0)-img(p,q,0))3?0.0f:1.0f; - sum_weights+=weight; - cimg_forC(res,c) res(x,y,c)+=weight*(*this)(p,q,c); - } - if (sum_weights>0) cimg_forC(res,c) res(x,y,c)/=sum_weights; - else cimg_forC(res,c) res(x,y,c) = (Tfloat)((*this)(x,y,c)); - } else -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(res._width>=32 && res._height>=4) firstprivate(P,Q) -#endif - cimg_forXY(res,x,y) { // 2d exact algorithm. - P = img.get_crop(x - psize1,y - psize1,x + psize2,y + psize2,true); - const int x0 = x - rsize1, y0 = y - rsize1, x1 = x + rsize2, y1 = y + rsize2; - float sum_weights = 0, weight_max = 0; - cimg_for_inXY(res,x0,y0,x1,y1,p,q) if (p!=x || q!=y) { - (Q = img.get_crop(p - psize1,q - psize1,p + psize2,q + psize2,true))-=P; - const float - dx = (float)x - p, dy = (float)y - q, - distance2 = (float)(Q.pow(2).sum()/Pnorm + (dx*dx + dy*dy)/sigma_s2), - weight = (float)std::exp(-distance2); - if (weight>weight_max) weight_max = weight; - sum_weights+=weight; - cimg_forC(res,c) res(x,y,c)+=weight*(*this)(p,q,c); - } - sum_weights+=weight_max; cimg_forC(res,c) res(x,y,c)+=weight_max*(*this)(x,y,c); - if (sum_weights>0) cimg_forC(res,c) res(x,y,c)/=sum_weights; - else cimg_forC(res,c) res(x,y,0,c) = (Tfloat)((*this)(x,y,c)); - } - } - } - return res; - } - - //! Blur image with the median filter. - /** - \param n Size of the median filter. - \param threshold Threshold used to discard pixels too far from the current pixel value in the median computation. - **/ - CImg& blur_median(const unsigned int n, const float threshold=0) { - if (!n) return *this; - return get_blur_median(n,threshold).move_to(*this); - } - - //! Blur image with the median filter \newinstance. - CImg get_blur_median(const unsigned int n, const float threshold=0) const { - if (is_empty() || n<=1) return +*this; - CImg res(_width,_height,_depth,_spectrum); - T *ptrd = res._data; - cimg::unused(ptrd); - const int hl = (int)n/2, hr = hl - 1 + (int)n%2; - if (res._depth!=1) { // 3d - if (threshold>0) -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=16 && _height*_depth*_spectrum>=4) -#endif - cimg_forXYZC(*this,x,y,z,c) { // With threshold. - const int - x0 = x - hl, y0 = y - hl, z0 = z - hl, x1 = x + hr, y1 = y + hr, z1 = z + hr, - nx0 = x0<0?0:x0, ny0 = y0<0?0:y0, nz0 = z0<0?0:z0, - nx1 = x1>=width()?width() - 1:x1, ny1 = y1>=height()?height() - 1:y1, nz1 = z1>=depth()?depth() - 1:z1; - const float val0 = (float)(*this)(x,y,z,c); - CImg values(n*n*n); - unsigned int nb_values = 0; - T *ptrd = values.data(); - cimg_for_inXYZ(*this,nx0,ny0,nz0,nx1,ny1,nz1,p,q,r) - if (cimg::abs((float)(*this)(p,q,r,c)-val0)<=threshold) { *(ptrd++) = (*this)(p,q,r,c); ++nb_values; } - res(x,y,z,c) = values.get_shared_points(0,nb_values - 1).median(); - } - else -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width>=16 && _height*_depth*_spectrum>=4) -#endif - cimg_forXYZC(*this,x,y,z,c) { // Without threshold. - const int - x0 = x - hl, y0 = y - hl, z0 = z - hl, x1 = x + hr, y1 = y + hr, z1 = z + hr, - nx0 = x0<0?0:x0, ny0 = y0<0?0:y0, nz0 = z0<0?0:z0, - nx1 = x1>=width()?width() - 1:x1, ny1 = y1>=height()?height() - 1:y1, nz1 = z1>=depth()?depth() - 1:z1; - res(x,y,z,c) = get_crop(nx0,ny0,nz0,c,nx1,ny1,nz1,c).median(); - } - } else { -#define _cimg_median_sort(a,b) if ((a)>(b)) cimg::swap(a,b) - if (res._height!=1) { // 2d - if (threshold>0) -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=16 && _height*_spectrum>=4) -#endif - cimg_forXYC(*this,x,y,c) { // With threshold. - const int - x0 = x - hl, y0 = y - hl, x1 = x + hr, y1 = y + hr, - nx0 = x0<0?0:x0, ny0 = y0<0?0:y0, - nx1 = x1>=width()?width() - 1:x1, ny1 = y1>=height()?height() - 1:y1; - const float val0 = (float)(*this)(x,y,c); - CImg values(n*n); - unsigned int nb_values = 0; - T *ptrd = values.data(); - cimg_for_inXY(*this,nx0,ny0,nx1,ny1,p,q) - if (cimg::abs((float)(*this)(p,q,c)-val0)<=threshold) { *(ptrd++) = (*this)(p,q,c); ++nb_values; } - res(x,y,c) = values.get_shared_points(0,nb_values - 1).median(); - } - else switch (n) { // Without threshold. - case 3 : { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_spectrum>=2) -#endif - cimg_forC(*this,c) { - T I[9] = { 0 }; - CImg_3x3(J,T); - cimg_for3x3(*this,x,y,0,c,I,T) { - std::memcpy(J,I,9*sizeof(T)); - _cimg_median_sort(Jcp, Jnp); _cimg_median_sort(Jcc, Jnc); _cimg_median_sort(Jcn, Jnn); - _cimg_median_sort(Jpp, Jcp); _cimg_median_sort(Jpc, Jcc); _cimg_median_sort(Jpn, Jcn); - _cimg_median_sort(Jcp, Jnp); _cimg_median_sort(Jcc, Jnc); _cimg_median_sort(Jcn, Jnn); - _cimg_median_sort(Jpp, Jpc); _cimg_median_sort(Jnc, Jnn); _cimg_median_sort(Jcc, Jcn); - _cimg_median_sort(Jpc, Jpn); _cimg_median_sort(Jcp, Jcc); _cimg_median_sort(Jnp, Jnc); - _cimg_median_sort(Jcc, Jcn); _cimg_median_sort(Jcc, Jnp); _cimg_median_sort(Jpn, Jcc); - _cimg_median_sort(Jcc, Jnp); - res(x,y,c) = Jcc; - } - } - } break; - case 5 : { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_spectrum>=2) -#endif - cimg_forC(*this,c) { - T I[25] = { 0 }; - CImg_5x5(J,T); - cimg_for5x5(*this,x,y,0,c,I,T) { - std::memcpy(J,I,25*sizeof(T)); - _cimg_median_sort(Jbb,Jpb); _cimg_median_sort(Jnb,Jab); _cimg_median_sort(Jcb,Jab); - _cimg_median_sort(Jcb,Jnb); _cimg_median_sort(Jpp,Jcp); _cimg_median_sort(Jbp,Jcp); - _cimg_median_sort(Jbp,Jpp); _cimg_median_sort(Jap,Jbc); _cimg_median_sort(Jnp,Jbc); - _cimg_median_sort(Jnp,Jap); _cimg_median_sort(Jcc,Jnc); _cimg_median_sort(Jpc,Jnc); - _cimg_median_sort(Jpc,Jcc); _cimg_median_sort(Jbn,Jpn); _cimg_median_sort(Jac,Jpn); - _cimg_median_sort(Jac,Jbn); _cimg_median_sort(Jnn,Jan); _cimg_median_sort(Jcn,Jan); - _cimg_median_sort(Jcn,Jnn); _cimg_median_sort(Jpa,Jca); _cimg_median_sort(Jba,Jca); - _cimg_median_sort(Jba,Jpa); _cimg_median_sort(Jna,Jaa); _cimg_median_sort(Jcb,Jbp); - _cimg_median_sort(Jnb,Jpp); _cimg_median_sort(Jbb,Jpp); _cimg_median_sort(Jbb,Jnb); - _cimg_median_sort(Jab,Jcp); _cimg_median_sort(Jpb,Jcp); _cimg_median_sort(Jpb,Jab); - _cimg_median_sort(Jpc,Jac); _cimg_median_sort(Jnp,Jac); _cimg_median_sort(Jnp,Jpc); - _cimg_median_sort(Jcc,Jbn); _cimg_median_sort(Jap,Jbn); _cimg_median_sort(Jap,Jcc); - _cimg_median_sort(Jnc,Jpn); _cimg_median_sort(Jbc,Jpn); _cimg_median_sort(Jbc,Jnc); - _cimg_median_sort(Jba,Jna); _cimg_median_sort(Jcn,Jna); _cimg_median_sort(Jcn,Jba); - _cimg_median_sort(Jpa,Jaa); _cimg_median_sort(Jnn,Jaa); _cimg_median_sort(Jnn,Jpa); - _cimg_median_sort(Jan,Jca); _cimg_median_sort(Jnp,Jcn); _cimg_median_sort(Jap,Jnn); - _cimg_median_sort(Jbb,Jnn); _cimg_median_sort(Jbb,Jap); _cimg_median_sort(Jbc,Jan); - _cimg_median_sort(Jpb,Jan); _cimg_median_sort(Jpb,Jbc); _cimg_median_sort(Jpc,Jba); - _cimg_median_sort(Jcb,Jba); _cimg_median_sort(Jcb,Jpc); _cimg_median_sort(Jcc,Jpa); - _cimg_median_sort(Jnb,Jpa); _cimg_median_sort(Jnb,Jcc); _cimg_median_sort(Jnc,Jca); - _cimg_median_sort(Jab,Jca); _cimg_median_sort(Jab,Jnc); _cimg_median_sort(Jac,Jna); - _cimg_median_sort(Jbp,Jna); _cimg_median_sort(Jbp,Jac); _cimg_median_sort(Jbn,Jaa); - _cimg_median_sort(Jpp,Jaa); _cimg_median_sort(Jpp,Jbn); _cimg_median_sort(Jcp,Jpn); - _cimg_median_sort(Jcp,Jan); _cimg_median_sort(Jnc,Jpa); _cimg_median_sort(Jbn,Jna); - _cimg_median_sort(Jcp,Jnc); _cimg_median_sort(Jcp,Jbn); _cimg_median_sort(Jpb,Jap); - _cimg_median_sort(Jnb,Jpc); _cimg_median_sort(Jbp,Jcn); _cimg_median_sort(Jpc,Jcn); - _cimg_median_sort(Jap,Jcn); _cimg_median_sort(Jab,Jbc); _cimg_median_sort(Jpp,Jcc); - _cimg_median_sort(Jcp,Jac); _cimg_median_sort(Jab,Jpp); _cimg_median_sort(Jab,Jcp); - _cimg_median_sort(Jcc,Jac); _cimg_median_sort(Jbc,Jac); _cimg_median_sort(Jpp,Jcp); - _cimg_median_sort(Jbc,Jcc); _cimg_median_sort(Jpp,Jbc); _cimg_median_sort(Jpp,Jcn); - _cimg_median_sort(Jcc,Jcn); _cimg_median_sort(Jcp,Jcn); _cimg_median_sort(Jcp,Jbc); - _cimg_median_sort(Jcc,Jnn); _cimg_median_sort(Jcp,Jcc); _cimg_median_sort(Jbc,Jnn); - _cimg_median_sort(Jcc,Jba); _cimg_median_sort(Jbc,Jba); _cimg_median_sort(Jbc,Jcc); - res(x,y,c) = Jcc; - } - } - } break; - default : { -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=16 && _height*_spectrum>=4) -#endif - cimg_forXYC(*this,x,y,c) { - const int - x0 = x - hl, y0 = y - hl, x1 = x + hr, y1 = y + hr, - nx0 = x0<0?0:x0, ny0 = y0<0?0:y0, - nx1 = x1>=width()?width() - 1:x1, ny1 = y1>=height()?height() - 1:y1; - res(x,y,c) = get_crop(nx0,ny0,0,c,nx1,ny1,0,c).median(); - } - } - } - } else { // 1d - - CImg I; - if (threshold>0) -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width>=16 && _spectrum>=2) -#endif - cimg_forXC(*this,x,c) { // With threshold. - const int - x0 = x - hl, x1 = x + hr, - nx0 = x0<0?0:x0, nx1 = x1>=width()?width() - 1:x1; - const float val0 = (float)(*this)(x,c); - CImg values(n); - unsigned int nb_values = 0; - T *ptrd = values.data(); - cimg_for_inX(*this,nx0,nx1,p) - if (cimg::abs((float)(*this)(p,c)-val0)<=threshold) { *(ptrd++) = (*this)(p,c); ++nb_values; } - res(x,c) = values.get_shared_points(0,nb_values - 1).median(); - } - else switch (n) { // Without threshold. - case 2 : { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_spectrum>=2) -#endif - cimg_forC(*this,c) { - I.assign(4); - cimg_for2x2(*this,x,y,0,c,I,T) res(x,c) = (T)(0.5f*(I[0] + I[1])); - } - } break; - case 3 : { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_spectrum>=2) -#endif - cimg_forC(*this,c) { - I.assign(9); - cimg_for3x3(*this,x,y,0,c,I,T) - res(x,c) = I[3]=16 && _spectrum>=2) -#endif - cimg_forXC(*this,x,c) { - const int - x0 = x - hl, x1 = x + hr, - nx0 = x0<0?0:x0, nx1 = x1>=width()?width() - 1:x1; - res(x,c) = get_crop(nx0,0,0,c,nx1,0,0,c).median(); - } - } - } - } - } - return res; - } - - //! Sharpen image. - /** - \param amplitude Sharpening amplitude - \param sharpen_type Select sharpening method. Can be { false=inverse diffusion | true=shock filters }. - \param edge Edge threshold (shock filters only). - \param alpha Gradient smoothness (shock filters only). - \param sigma Tensor smoothness (shock filters only). - **/ - CImg& sharpen(const float amplitude, const bool sharpen_type=false, const float edge=1, - const float alpha=0, const float sigma=0) { - if (is_empty()) return *this; - T val_min, val_max = max_min(val_min); - const float nedge = edge/2; - CImg velocity(_width,_height,_depth,_spectrum), _veloc_max(_spectrum); - - if (_depth>1) { // 3d - if (sharpen_type) { // Shock filters. - CImg G = (alpha>0?get_blur(alpha).get_structure_tensors():get_structure_tensors()); - if (sigma>0) G.blur(sigma); -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width>=32 && _height*_depth>=16) -#endif - cimg_forYZ(G,y,z) { - Tfloat *ptrG0 = G.data(0,y,z,0), *ptrG1 = G.data(0,y,z,1), - *ptrG2 = G.data(0,y,z,2), *ptrG3 = G.data(0,y,z,3); - CImg val, vec; - cimg_forX(G,x) { - G.get_tensor_at(x,y,z).symmetric_eigen(val,vec); - if (val[0]<0) val[0] = 0; - if (val[1]<0) val[1] = 0; - if (val[2]<0) val[2] = 0; - *(ptrG0++) = vec(0,0); - *(ptrG1++) = vec(0,1); - *(ptrG2++) = vec(0,2); - *(ptrG3++) = 1 - (Tfloat)std::pow(1 + val[0] + val[1] + val[2],-(Tfloat)nedge); - } - } -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height*_depth>=512 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - Tfloat *ptrd = velocity.data(0,0,0,c), veloc_max = 0; - CImg_3x3x3(I,Tfloat); - cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) { - const Tfloat - u = G(x,y,z,0), - v = G(x,y,z,1), - w = G(x,y,z,2), - amp = G(x,y,z,3), - ixx = Incc + Ipcc - 2*Iccc, - ixy = (Innc + Ippc - Inpc - Ipnc)/4, - ixz = (Incn + Ipcp - Incp - Ipcn)/4, - iyy = Icnc + Icpc - 2*Iccc, - iyz = (Icnn + Icpp - Icnp - Icpn)/4, - izz = Iccn + Iccp - 2*Iccc, - ixf = Incc - Iccc, - ixb = Iccc - Ipcc, - iyf = Icnc - Iccc, - iyb = Iccc - Icpc, - izf = Iccn - Iccc, - izb = Iccc - Iccp, - itt = u*u*ixx + v*v*iyy + w*w*izz + 2*u*v*ixy + 2*u*w*ixz + 2*v*w*iyz, - it = u*cimg::minmod(ixf,ixb) + v*cimg::minmod(iyf,iyb) + w*cimg::minmod(izf,izb), - veloc = -amp*cimg::sign(itt)*cimg::abs(it); - *(ptrd++) = veloc; - if (veloc>veloc_max) veloc_max = veloc; else if (-veloc>veloc_max) veloc_max = -veloc; - } - _veloc_max[c] = veloc_max; - } - } else // Inverse diffusion. - cimg_forC(*this,c) { - Tfloat *ptrd = velocity.data(0,0,0,c), veloc_max = 0; - CImg_3x3x3(I,Tfloat); - cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) { - const Tfloat veloc = -Ipcc - Incc - Icpc - Icnc - Iccp - Iccn + 6*Iccc; - *(ptrd++) = veloc; - if (veloc>veloc_max) veloc_max = veloc; else if (-veloc>veloc_max) veloc_max = -veloc; - } - _veloc_max[c] = veloc_max; - } - } else { // 2d. - if (sharpen_type) { // Shock filters. - CImg G = (alpha>0?get_blur(alpha).get_structure_tensors():get_structure_tensors()); - if (sigma>0) G.blur(sigma); -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width>=32 && _height>=16) -#endif - cimg_forY(G,y) { - CImg val, vec; - Tfloat *ptrG0 = G.data(0,y,0,0), *ptrG1 = G.data(0,y,0,1), *ptrG2 = G.data(0,y,0,2); - cimg_forX(G,x) { - G.get_tensor_at(x,y).symmetric_eigen(val,vec); - if (val[0]<0) val[0] = 0; - if (val[1]<0) val[1] = 0; - *(ptrG0++) = vec(0,0); - *(ptrG1++) = vec(0,1); - *(ptrG2++) = 1 - (Tfloat)std::pow(1 + val[0] + val[1],-(Tfloat)nedge); - } - } -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height>=512 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - Tfloat *ptrd = velocity.data(0,0,0,c), veloc_max = 0; - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,0,c,I,Tfloat) { - const Tfloat - u = G(x,y,0), - v = G(x,y,1), - amp = G(x,y,2), - ixx = Inc + Ipc - 2*Icc, - ixy = (Inn + Ipp - Inp - Ipn)/4, - iyy = Icn + Icp - 2*Icc, - ixf = Inc - Icc, - ixb = Icc - Ipc, - iyf = Icn - Icc, - iyb = Icc - Icp, - itt = u*u*ixx + v*v*iyy + 2*u*v*ixy, - it = u*cimg::minmod(ixf,ixb) + v*cimg::minmod(iyf,iyb), - veloc = -amp*cimg::sign(itt)*cimg::abs(it); - *(ptrd++) = veloc; - if (veloc>veloc_max) veloc_max = veloc; else if (-veloc>veloc_max) veloc_max = -veloc; - } - _veloc_max[c] = veloc_max; - } - } else // Inverse diffusion. - cimg_forC(*this,c) { - Tfloat *ptrd = velocity.data(0,0,0,c), veloc_max = 0; - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,0,c,I,Tfloat) { - const Tfloat veloc = -Ipc - Inc - Icp - Icn + 4*Icc; - *(ptrd++) = veloc; - if (veloc>veloc_max) veloc_max = veloc; else if (-veloc>veloc_max) veloc_max = -veloc; - } - _veloc_max[c] = veloc_max; - } - } - const Tfloat veloc_max = _veloc_max.max(); - if (veloc_max<=0) return *this; - return ((velocity*=amplitude/veloc_max)+=*this).cut(val_min,val_max).move_to(*this); - } - - //! Sharpen image \newinstance. - CImg get_sharpen(const float amplitude, const bool sharpen_type=false, const float edge=1, - const float alpha=0, const float sigma=0) const { - return (+*this).sharpen(amplitude,sharpen_type,edge,alpha,sigma); - } - - //! Return image gradient. - /** - \param axes Axes considered for the gradient computation, as a C-string (e.g "xy"). - \param scheme = Numerical scheme used for the gradient computation: - - -1 = Backward finite differences - - 0 = Centered finite differences - - 1 = Forward finite differences - - 2 = Using Sobel masks - - 3 = Using rotation invariant masks - - 4 = Using Deriche recusrsive filter. - - 5 = Using Van Vliet recusrsive filter. - **/ - CImgList get_gradient(const char *const axes=0, const int scheme=3) const { - CImgList grad(2,_width,_height,_depth,_spectrum); - bool is_3d = false; - if (axes) { - for (unsigned int a = 0; axes[a]; ++a) { - const char axis = cimg::uncase(axes[a]); - switch (axis) { - case 'x' : case 'y' : break; - case 'z' : is_3d = true; break; - default : - throw CImgArgumentException(_cimg_instance - "get_gradient(): Invalid specified axis '%c'.", - cimg_instance, - axis); - } - } - } else is_3d = (_depth>1); - if (is_3d) { - CImg(_width,_height,_depth,_spectrum).move_to(grad); - switch (scheme) { // 3d. - case -1 : { // Backward finite differences. -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height*_depth>=1048576 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - const unsigned long off = c*_width*_height*_depth; - Tfloat *ptrd0 = grad[0]._data + off, *ptrd1 = grad[1]._data + off, *ptrd2 = grad[2]._data + off; - CImg_3x3x3(I,Tfloat); - cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) { - *(ptrd0++) = Iccc - Ipcc; - *(ptrd1++) = Iccc - Icpc; - *(ptrd2++) = Iccc - Iccp; - } - } - } break; - case 1 : { // Forward finite differences. -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height*_depth>=1048576 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - const unsigned long off = c*_width*_height*_depth; - Tfloat *ptrd0 = grad[0]._data + off, *ptrd1 = grad[1]._data + off, *ptrd2 = grad[2]._data + off; - CImg_2x2x2(I,Tfloat); - cimg_for2x2x2(*this,x,y,z,c,I,Tfloat) { - *(ptrd0++) = Incc - Iccc; - *(ptrd1++) = Icnc - Iccc; - *(ptrd2++) = Iccn - Iccc; - } - } - } break; - case 4 : { // Deriche filter with low standard variation. - grad[0] = get_deriche(0,1,'x'); - grad[1] = get_deriche(0,1,'y'); - grad[2] = get_deriche(0,1,'z'); - } break; - case 5 : { // Van Vliet filter with low standard variation. - grad[0] = get_vanvliet(0,1,'x'); - grad[1] = get_vanvliet(0,1,'y'); - grad[2] = get_vanvliet(0,1,'z'); - } break; - default : { // Central finite differences. -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height*_depth>=1048576 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - const unsigned long off = c*_width*_height*_depth; - Tfloat *ptrd0 = grad[0]._data + off, *ptrd1 = grad[1]._data + off, *ptrd2 = grad[2]._data + off; - CImg_3x3x3(I,Tfloat); - cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) { - *(ptrd0++) = (Incc - Ipcc)/2; - *(ptrd1++) = (Icnc - Icpc)/2; - *(ptrd2++) = (Iccn - Iccp)/2; - } - } - } - } - } else switch (scheme) { // 2d. - case -1 : { // Backward finite differences. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width*_height>=1048576 && _depth*_spectrum>=2) -#endif - cimg_forZC(*this,z,c) { - const unsigned long off = c*_width*_height*_depth + z*_width*_height; - Tfloat *ptrd0 = grad[0]._data + off, *ptrd1 = grad[1]._data + off; - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,z,c,I,Tfloat) { - *(ptrd0++) = Icc - Ipc; - *(ptrd1++) = Icc - Icp; - } - } - } break; - case 1 : { // Forward finite differences. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width*_height>=1048576 && _depth*_spectrum>=2) -#endif - cimg_forZC(*this,z,c) { - const unsigned long off = c*_width*_height*_depth + z*_width*_height; - Tfloat *ptrd0 = grad[0]._data + off, *ptrd1 = grad[1]._data + off; - CImg_2x2(I,Tfloat); - cimg_for2x2(*this,x,y,z,c,I,Tfloat) { - *(ptrd0++) = Inc - Icc; - *(ptrd1++) = Icn - Icc; - } - } - } break; - case 2 : { // Sobel scheme. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width*_height>=1048576 && _depth*_spectrum>=2) -#endif - cimg_forZC(*this,z,c) { - const unsigned long off = c*_width*_height*_depth + z*_width*_height; - Tfloat *ptrd0 = grad[0]._data + off, *ptrd1 = grad[1]._data + off; - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,z,c,I,Tfloat) { - *(ptrd0++) = -Ipp - 2*Ipc - Ipn + Inp + 2*Inc + Inn; - *(ptrd1++) = -Ipp - 2*Icp - Inp + Ipn + 2*Icn + Inn; - } - } - } break; - case 3 : { // Rotation invariant mask. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width*_height>=1048576 && _depth*_spectrum>=2) -#endif - cimg_forZC(*this,z,c) { - const unsigned long off = c*_width*_height*_depth + z*_width*_height; - Tfloat *ptrd0 = grad[0]._data + off, *ptrd1 = grad[1]._data + off; - CImg_3x3(I,Tfloat); - const Tfloat a = (Tfloat)(0.25f*(2-std::sqrt(2.0f))), b = (Tfloat)(0.5f*(std::sqrt(2.0f) - 1)); - cimg_for3x3(*this,x,y,z,c,I,Tfloat) { - *(ptrd0++) = -a*Ipp - b*Ipc - a*Ipn + a*Inp + b*Inc + a*Inn; - *(ptrd1++) = -a*Ipp - b*Icp - a*Inp + a*Ipn + b*Icn + a*Inn; - } - } - } break; - case 4 : { // Van Vliet filter with low standard variation - grad[0] = get_deriche(0,1,'x'); - grad[1] = get_deriche(0,1,'y'); - } break; - case 5 : { // Deriche filter with low standard variation - grad[0] = get_vanvliet(0,1,'x'); - grad[1] = get_vanvliet(0,1,'y'); - } break; - default : { // Central finite differences -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width*_height>=1048576 && _depth*_spectrum>=2) -#endif - cimg_forZC(*this,z,c) { - const unsigned long off = c*_width*_height*_depth + z*_width*_height; - Tfloat *ptrd0 = grad[0]._data + off, *ptrd1 = grad[1]._data + off; - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,z,c,I,Tfloat) { - *(ptrd0++) = (Inc - Ipc)/2; - *(ptrd1++) = (Icn - Icp)/2; - } - } - } - } - if (!axes) return grad; - CImgList res; - for (unsigned int l = 0; axes[l]; ++l) { - const char axis = cimg::uncase(axes[l]); - switch (axis) { - case 'x' : res.insert(grad[0]); break; - case 'y' : res.insert(grad[1]); break; - case 'z' : res.insert(grad[2]); break; - } - } - grad.assign(); - return res; - } - - //! Return image hessian. - /** - \param axes Axes considered for the hessian computation, as a C-string (e.g "xy"). - **/ - CImgList get_hessian(const char *const axes=0) const { - CImgList res; - const char *naxes = axes, *const def_axes2d = "xxxyyy", *const def_axes3d = "xxxyxzyyyzzz"; - if (!axes) naxes = _depth>1?def_axes3d:def_axes2d; - const unsigned int lmax = (unsigned int)std::strlen(naxes); - if (lmax%2) - throw CImgArgumentException(_cimg_instance - "get_hessian(): Invalid specified axes '%s'.", - cimg_instance, - naxes); - - res.assign(lmax/2,_width,_height,_depth,_spectrum); - if (!cimg::strcasecmp(naxes,def_axes3d)) { // 3d - -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height*_depth>=1048576 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - const unsigned long off = c*_width*_height*_depth; - Tfloat - *ptrd0 = res[0]._data + off, *ptrd1 = res[1]._data + off, *ptrd2 = res[2]._data + off, - *ptrd3 = res[3]._data + off, *ptrd4 = res[4]._data + off, *ptrd5 = res[5]._data + off; - CImg_3x3x3(I,Tfloat); - cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) { - *(ptrd0++) = Ipcc + Incc - 2*Iccc; // Ixx - *(ptrd1++) = (Ippc + Innc - Ipnc - Inpc)/4; // Ixy - *(ptrd2++) = (Ipcp + Incn - Ipcn - Incp)/4; // Ixz - *(ptrd3++) = Icpc + Icnc - 2*Iccc; // Iyy - *(ptrd4++) = (Icpp + Icnn - Icpn - Icnp)/4; // Iyz - *(ptrd5++) = Iccn + Iccp - 2*Iccc; // Izz - } - } - } else if (!cimg::strcasecmp(naxes,def_axes2d)) { // 2d -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width*_height>=1048576 && _depth*_spectrum>=2) -#endif - cimg_forZC(*this,z,c) { - const unsigned long off = c*_width*_height*_depth + z*_width*_height; - Tfloat *ptrd0 = res[0]._data + off, *ptrd1 = res[1]._data + off, *ptrd2 = res[2]._data + off; - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,z,c,I,Tfloat) { - *(ptrd0++) = Ipc + Inc - 2*Icc; // Ixx - *(ptrd1++) = (Ipp + Inn - Ipn - Inp)/4; // Ixy - *(ptrd2++) = Icp + Icn - 2*Icc; // Iyy - } - } - } else for (unsigned int l = 0; laxis2) cimg::swap(axis1,axis2); - bool valid_axis = false; - if (axis1=='x' && axis2=='x') { // Ixx - valid_axis = true; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width*_height>=1048576 && _depth*_spectrum>=2) -#endif - cimg_forZC(*this,z,c) { - Tfloat *ptrd = res[l2].data(0,0,z,c); - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,z,c,I,Tfloat) *(ptrd++) = Ipc + Inc - 2*Icc; - } - } - else if (axis1=='x' && axis2=='y') { // Ixy - valid_axis = true; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width*_height>=1048576 && _depth*_spectrum>=2) -#endif - cimg_forZC(*this,z,c) { - Tfloat *ptrd = res[l2].data(0,0,z,c); - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,z,c,I,Tfloat) *(ptrd++) = (Ipp + Inn - Ipn - Inp)/4; - } - } - else if (axis1=='x' && axis2=='z') { // Ixz - valid_axis = true; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height*_depth>=1048576 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - Tfloat *ptrd = res[l2].data(0,0,0,c); - CImg_3x3x3(I,Tfloat); - cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) *(ptrd++) = (Ipcp + Incn - Ipcn - Incp)/4; - } - } - else if (axis1=='y' && axis2=='y') { // Iyy - valid_axis = true; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_width*_height>=1048576 && _depth*_spectrum>=2) -#endif - cimg_forZC(*this,z,c) { - Tfloat *ptrd = res[l2].data(0,0,z,c); - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,z,c,I,Tfloat) *(ptrd++) = Icp + Icn - 2*Icc; - } - } - else if (axis1=='y' && axis2=='z') { // Iyz - valid_axis = true; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height*_depth>=1048576 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - Tfloat *ptrd = res[l2].data(0,0,0,c); - CImg_3x3x3(I,Tfloat); - cimg_forC(*this,c) cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) *(ptrd++) = (Icpp + Icnn - Icpn - Icnp)/4; - } - } - else if (axis1=='z' && axis2=='z') { // Izz - valid_axis = true; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height*_depth>=1048576 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - Tfloat *ptrd = res[l2].data(0,0,0,c); - CImg_3x3x3(I,Tfloat); - cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) *(ptrd++) = Iccn + Iccp - 2*Iccc; - } - } - else if (!valid_axis) - throw CImgArgumentException(_cimg_instance - "get_hessian(): Invalid specified axes '%s'.", - cimg_instance, - naxes); - } - return res; - } - - //! Compute image laplacian. - CImg& laplacian() { - return get_laplacian().move_to(*this); - } - - //! Compute image laplacian \newinstance. - CImg get_laplacian() const { - if (is_empty()) return CImg(); - CImg res(_width,_height,_depth,_spectrum); - if (_depth>1) { // 3d -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height*_depth>=1048576 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - Tfloat *ptrd = res.data(0,0,0,c); - CImg_3x3x3(I,Tfloat); - cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) *(ptrd++) = Incc + Ipcc + Icnc + Icpc + Iccn + Iccp - 6*Iccc; - } - } else if (_height>1) { // 2d -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height>=1048576 && _depth*_spectrum>=2) -#endif - cimg_forC(*this,c) { - Tfloat *ptrd = res.data(0,0,0,c); - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,0,c,I,Tfloat) *(ptrd++) = Inc + Ipc + Icn + Icp - 4*Icc; - } - } else { // 1d -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width>=1048576 && _height*_depth*_spectrum>=2) -#endif - cimg_forC(*this,c) { - Tfloat *ptrd = res.data(0,0,0,c); - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,0,c,I,Tfloat) *(ptrd++) = Inc + Ipc - 2*Icc; - } - } - return res; - } - - //! Compute the structure tensor field of an image. - /** - \param is_fwbw_scheme scheme. Can be { false=centered | true=forward-backward } - **/ - CImg& structure_tensors(const bool is_fwbw_scheme=false) { - return get_structure_tensors(is_fwbw_scheme).move_to(*this); - } - - //! Compute the structure tensor field of an image \newinstance. - CImg get_structure_tensors(const bool is_fwbw_scheme=false) const { - if (is_empty()) return *this; - CImg res; - if (_depth>1) { // 3d - res.assign(_width,_height,_depth,6,0); - if (!is_fwbw_scheme) { // Classical central finite differences -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height*_depth>=1048576 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - Tfloat - *ptrd0 = res.data(0,0,0,0), *ptrd1 = res.data(0,0,0,1), *ptrd2 = res.data(0,0,0,2), - *ptrd3 = res.data(0,0,0,3), *ptrd4 = res.data(0,0,0,4), *ptrd5 = res.data(0,0,0,5); - CImg_3x3x3(I,Tfloat); - cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) { - const Tfloat - ix = (Incc - Ipcc)/2, - iy = (Icnc - Icpc)/2, - iz = (Iccn - Iccp)/2; - *(ptrd0++)+=ix*ix; - *(ptrd1++)+=ix*iy; - *(ptrd2++)+=ix*iz; - *(ptrd3++)+=iy*iy; - *(ptrd4++)+=iy*iz; - *(ptrd5++)+=iz*iz; - } - } - } else { // Forward/backward finite differences. -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height*_depth>=1048576 && _spectrum>=2) -#endif - cimg_forC(*this,c) { - Tfloat - *ptrd0 = res.data(0,0,0,0), *ptrd1 = res.data(0,0,0,1), *ptrd2 = res.data(0,0,0,2), - *ptrd3 = res.data(0,0,0,3), *ptrd4 = res.data(0,0,0,4), *ptrd5 = res.data(0,0,0,5); - CImg_3x3x3(I,Tfloat); - cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) { - const Tfloat - ixf = Incc - Iccc, ixb = Iccc - Ipcc, - iyf = Icnc - Iccc, iyb = Iccc - Icpc, - izf = Iccn - Iccc, izb = Iccc - Iccp; - *(ptrd0++)+=(ixf*ixf + ixb*ixb)/2; - *(ptrd1++)+=(ixf*iyf + ixf*iyb + ixb*iyf + ixb*iyb)/4; - *(ptrd2++)+=(ixf*izf + ixf*izb + ixb*izf + ixb*izb)/4; - *(ptrd3++)+=(iyf*iyf + iyb*iyb)/2; - *(ptrd4++)+=(iyf*izf + iyf*izb + iyb*izf + iyb*izb)/4; - *(ptrd5++)+=(izf*izf + izb*izb)/2; - } - } - } - } else { // 2d - res.assign(_width,_height,_depth,3,0); - if (!is_fwbw_scheme) { // Classical central finite differences -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height>=1048576 && _depth*_spectrum>=2) -#endif - cimg_forC(*this,c) { - Tfloat *ptrd0 = res.data(0,0,0,0), *ptrd1 = res.data(0,0,0,1), *ptrd2 = res.data(0,0,0,2); - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,0,c,I,Tfloat) { - const Tfloat - ix = (Inc - Ipc)/2, - iy = (Icn - Icp)/2; - *(ptrd0++)+=ix*ix; - *(ptrd1++)+=ix*iy; - *(ptrd2++)+=iy*iy; - } - } - } else { // Forward/backward finite differences (version 2). -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_width*_height>=1048576 && _depth*_spectrum>=2) -#endif - cimg_forC(*this,c) { - Tfloat *ptrd0 = res.data(0,0,0,0), *ptrd1 = res.data(0,0,0,1), *ptrd2 = res.data(0,0,0,2); - CImg_3x3(I,Tfloat); - cimg_for3x3(*this,x,y,0,c,I,Tfloat) { - const Tfloat - ixf = Inc - Icc, ixb = Icc - Ipc, - iyf = Icn - Icc, iyb = Icc - Icp; - *(ptrd0++)+=(ixf*ixf + ixb*ixb)/2; - *(ptrd1++)+=(ixf*iyf + ixf*iyb + ixb*iyf + ixb*iyb)/4; - *(ptrd2++)+=(iyf*iyf + iyb*iyb)/2; - } - } - } - } - return res; - } - - //! Compute field of diffusion tensors for edge-preserving smoothing. - /** - \param sharpness Sharpness - \param anisotropy Anisotropy - \param alpha Standard deviation of the gradient blur. - \param sigma Standard deviation of the structure tensor blur. - \param is_sqrt Tells if the square root of the tensor field is computed instead. - **/ - CImg& diffusion_tensors(const float sharpness=0.7f, const float anisotropy=0.6f, - const float alpha=0.6f, const float sigma=1.1f, const bool is_sqrt=false) { - CImg res; - const float - nsharpness = cimg::max(sharpness,1e-5f), - power1 = (is_sqrt?0.5f:1)*nsharpness, - power2 = power1/(1e-7f + 1 - anisotropy); - blur(alpha).normalize(0,(T)255); - - if (_depth>1) { // 3d - get_structure_tensors().move_to(res).blur(sigma); -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if(_width>=256 && _height*_depth>=256) -#endif - cimg_forYZ(*this,y,z) { - Tfloat - *ptrd0 = res.data(0,y,z,0), *ptrd1 = res.data(0,y,z,1), *ptrd2 = res.data(0,y,z,2), - *ptrd3 = res.data(0,y,z,3), *ptrd4 = res.data(0,y,z,4), *ptrd5 = res.data(0,y,z,5); - CImg val(3), vec(3,3); - cimg_forX(*this,x) { - res.get_tensor_at(x,y,z).symmetric_eigen(val,vec); - const float - _l1 = val[2], _l2 = val[1], _l3 = val[0], - l1 = _l1>0?_l1:0, l2 = _l2>0?_l2:0, l3 = _l3>0?_l3:0, - ux = vec(0,0), uy = vec(0,1), uz = vec(0,2), - vx = vec(1,0), vy = vec(1,1), vz = vec(1,2), - wx = vec(2,0), wy = vec(2,1), wz = vec(2,2), - n1 = (float)std::pow(1 + l1 + l2 + l3,-power1), - n2 = (float)std::pow(1 + l1 + l2 + l3,-power2); - *(ptrd0++) = n1*(ux*ux + vx*vx) + n2*wx*wx; - *(ptrd1++) = n1*(ux*uy + vx*vy) + n2*wx*wy; - *(ptrd2++) = n1*(ux*uz + vx*vz) + n2*wx*wz; - *(ptrd3++) = n1*(uy*uy + vy*vy) + n2*wy*wy; - *(ptrd4++) = n1*(uy*uz + vy*vz) + n2*wy*wz; - *(ptrd5++) = n1*(uz*uz + vz*vz) + n2*wz*wz; - } - } - } else { // for 2d images - get_structure_tensors().move_to(res).blur(sigma); -#ifdef cimg_use_openmp -#pragma omp parallel for if(_width>=256 && _height>=256) -#endif - cimg_forY(*this,y) { - Tfloat *ptrd0 = res.data(0,y,0,0), *ptrd1 = res.data(0,y,0,1), *ptrd2 = res.data(0,y,0,2); - CImg val(2), vec(2,2); - cimg_forX(*this,x) { - res.get_tensor_at(x,y).symmetric_eigen(val,vec); - const float - _l1 = val[1], _l2 = val[0], - l1 = _l1>0?_l1:0, l2 = _l2>0?_l2:0, - ux = vec(1,0), uy = vec(1,1), - vx = vec(0,0), vy = vec(0,1), - n1 = (float)std::pow(1 + l1 + l2,-power1), - n2 = (float)std::pow(1 + l1 + l2,-power2); - *(ptrd0++) = n1*ux*ux + n2*vx*vx; - *(ptrd1++) = n1*ux*uy + n2*vx*vy; - *(ptrd2++) = n1*uy*uy + n2*vy*vy; - } - } - } - return res.move_to(*this); - } - - //! Compute field of diffusion tensors for edge-preserving smoothing \newinstance. - CImg get_diffusion_tensors(const float sharpness=0.7f, const float anisotropy=0.6f, - const float alpha=0.6f, const float sigma=1.1f, const bool is_sqrt=false) const { - return CImg(*this,false).diffusion_tensors(sharpness,anisotropy,alpha,sigma,is_sqrt); - } - - //! Estimate displacement field between two images. - /** - \param source Reference image. - \param smoothness Smoothness of estimated displacement field. - \param precision Precision required for algorithm convergence. - \param nb_scales Number of scales used to estimate the displacement field. - \param iteration_max Maximum number of iterations allowed for one scale. - \param is_backward If false, match I2(X + U(X)) = I1(X), else match I2(X) = I1(X - U(X)). - \param guide Image used as the initial correspondence estimate for the algorithm. - 'guide' may have a last channel with boolean values (0=false | other=true) that - tells for each pixel if its correspondence vector is constrained to its initial value (constraint mask). - **/ - CImg& displacement(const CImg& source, const float smoothness=0.1f, const float precision=5.0f, - const unsigned int nb_scales=0, const unsigned int iteration_max=10000, - const bool is_backward=false, - const CImg& guide=CImg::const_empty()) { - return get_displacement(source,smoothness,precision,nb_scales,iteration_max,is_backward,guide). - move_to(*this); - } - - //! Estimate displacement field between two images \newinstance. - CImg get_displacement(const CImg& source, - const float smoothness=0.1f, const float precision=5.0f, - const unsigned int nb_scales=0, const unsigned int iteration_max=10000, - const bool is_backward=false, - const CImg& guide=CImg::const_empty()) const { - if (is_empty() || !source) return +*this; - if (!is_sameXYZC(source)) - throw CImgArgumentException(_cimg_instance - "displacement(): Instance and source image (%u,%u,%u,%u,%p) have " - "different dimensions.", - cimg_instance, - source._width,source._height,source._depth,source._spectrum,source._data); - if (precision<0) - throw CImgArgumentException(_cimg_instance - "displacement(): Invalid specified precision %g " - "(should be >=0)", - cimg_instance, - precision); - - const bool is_3d = source._depth>1; - const unsigned int constraint = is_3d?3:2; - - if (guide && - (guide._width!=_width || guide._height!=_height || guide._depth!=_depth || guide._spectrum0?nb_scales: - (unsigned int)cimg::round(std::log(mins/8.0)/std::log(1.5),1,1); - - const float _precision = (float)std::pow(10.0,-(double)precision); - float sm, sM = source.max_min(sm), tm, tM = max_min(tm); - const float sdelta = sm==sM?1:(sM - sm), tdelta = tm==tM?1:(tM - tm); - - CImg U, V; - floatT bound = 0; - for (int scale = (int)_nb_scales - 1; scale>=0; --scale) { - const float factor = (float)std::pow(1.5,(double)scale); - const unsigned int - _sw = (unsigned int)(_width/factor), sw = _sw?_sw:1, - _sh = (unsigned int)(_height/factor), sh = _sh?_sh:1, - _sd = (unsigned int)(_depth/factor), sd = _sd?_sd:1; - if (sw<5 && sh<5 && (!is_3d || sd<5)) continue; // skip too small scales. - const CImg - I1 = (source.get_resize(sw,sh,sd,-100,2)-=sm)/=sdelta, - I2 = (get_resize(I1,2)-=tm)/=tdelta; - if (guide._spectrum>constraint) guide.get_resize(I2._width,I2._height,I2._depth,-100,1).move_to(V); - if (U) (U*=1.5f).resize(I2._width,I2._height,I2._depth,-100,3); - else { - if (guide) - guide.get_shared_channels(0,is_3d?2:1).get_resize(I2._width,I2._height,I2._depth,-100,2).move_to(U); - else U.assign(I2._width,I2._height,I2._depth,is_3d?3:2,0); - } - - float dt = 2, energy = cimg::type::max(); - const CImgList dI = is_backward?I1.get_gradient():I2.get_gradient(); - - for (unsigned int iteration = 0; iteration=0) // Isotropic regularization. -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_height*_depth>=8 && _width>=16) reduction(+:_energy) -#endif - cimg_forYZ(U,y,z) { - const int - _p1y = y?y - 1:0, _n1y = yx) U(x,y,z,0) = (float)x; - if (U(x,y,z,1)>y) U(x,y,z,1) = (float)y; - if (U(x,y,z,2)>z) U(x,y,z,2) = (float)z; - bound = (float)x - _width; if (U(x,y,z,0)<=bound) U(x,y,z,0) = bound; - bound = (float)y - _height; if (U(x,y,z,1)<=bound) U(x,y,z,1) = bound; - bound = (float)z - _depth; if (U(x,y,z,2)<=bound) U(x,y,z,2) = bound; - } else { - if (U(x,y,z,0)<-x) U(x,y,z,0) = -(float)x; - if (U(x,y,z,1)<-y) U(x,y,z,1) = -(float)y; - if (U(x,y,z,2)<-z) U(x,y,z,2) = -(float)z; - bound = (float)_width - x; if (U(x,y,z,0)>=bound) U(x,y,z,0) = bound; - bound = (float)_height - y; if (U(x,y,z,1)>=bound) U(x,y,z,1) = bound; - bound = (float)_depth - z; if (U(x,y,z,2)>=bound) U(x,y,z,2) = bound; - } - _energy+=delta_I*delta_I + smoothness*_energy_regul; - } - if (V) cimg_forXYZ(V,x,y,z) if (V(x,y,z,3)) { // Apply constraints. - U(x,y,z,0) = V(x,y,z,0)/factor; - U(x,y,z,1) = V(x,y,z,1)/factor; - U(x,y,z,2) = V(x,y,z,2)/factor; - } - } else { // Anisotropic regularization. - const float nsmoothness = -smoothness; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if (_height*_depth>=8 && _width>=16) reduction(+:_energy) -#endif - cimg_forYZ(U,y,z) { - const int - _p1y = y?y - 1:0, _n1y = yx) U(x,y,z,0) = (float)x; - if (U(x,y,z,1)>y) U(x,y,z,1) = (float)y; - if (U(x,y,z,2)>z) U(x,y,z,2) = (float)z; - bound = (float)x - _width; if (U(x,y,z,0)<=bound) U(x,y,z,0) = bound; - bound = (float)y - _height; if (U(x,y,z,1)<=bound) U(x,y,z,1) = bound; - bound = (float)z - _depth; if (U(x,y,z,2)<=bound) U(x,y,z,2) = bound; - } else { - if (U(x,y,z,0)<-x) U(x,y,z,0) = -(float)x; - if (U(x,y,z,1)<-y) U(x,y,z,1) = -(float)y; - if (U(x,y,z,2)<-z) U(x,y,z,2) = -(float)z; - bound = (float)_width - x; if (U(x,y,z,0)>=bound) U(x,y,z,0) = bound; - bound = (float)_height - y; if (U(x,y,z,1)>=bound) U(x,y,z,1) = bound; - bound = (float)_depth - z; if (U(x,y,z,2)>=bound) U(x,y,z,2) = bound; - } - _energy+=delta_I*delta_I + nsmoothness*_energy_regul; - } - if (V) cimg_forXYZ(V,x,y,z) if (V(x,y,z,3)) { // Apply constraints. - U(x,y,z,0) = V(x,y,z,0)/factor; - U(x,y,z,1) = V(x,y,z,1)/factor; - U(x,y,z,2) = V(x,y,z,2)/factor; - } - } - } - } else { // 2d version. - if (smoothness>=0) // Isotropic regularization. -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_height>=8 && _width>=16) reduction(+:_energy) -#endif - cimg_forY(U,y) { - const int _p1y = y?y - 1:0, _n1y = yx) U(x,y,0) = (float)x; - if (U(x,y,1)>y) U(x,y,1) = (float)y; - bound = (float)x - _width; if (U(x,y,0)<=bound) U(x,y,0) = bound; - bound = (float)y - _height; if (U(x,y,1)<=bound) U(x,y,1) = bound; - } else { - if (U(x,y,0)<-x) U(x,y,0) = -(float)x; - if (U(x,y,1)<-y) U(x,y,1) = -(float)y; - bound = (float)_width - x; if (U(x,y,0)>=bound) U(x,y,0) = bound; - bound = (float)_height - y; if (U(x,y,1)>=bound) U(x,y,1) = bound; - } - _energy+=delta_I*delta_I + smoothness*_energy_regul; - } - if (V) cimg_forX(V,x) if (V(x,y,2)) { // Apply constraints. - U(x,y,0) = V(x,y,0)/factor; - U(x,y,1) = V(x,y,1)/factor; - } - } else { // Anisotropic regularization. - const float nsmoothness = -smoothness; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_height>=8 && _width>=16) reduction(+:_energy) -#endif - cimg_forY(U,y) { - const int _p1y = y?y - 1:0, _n1y = yx) U(x,y,0) = (float)x; - if (U(x,y,1)>y) U(x,y,1) = (float)y; - bound = (float)x - _width; if (U(x,y,0)<=bound) U(x,y,0) = bound; - bound = (float)y - _height; if (U(x,y,1)<=bound) U(x,y,1) = bound; - } else { - if (U(x,y,0)<-x) U(x,y,0) = -(float)x; - if (U(x,y,1)<-y) U(x,y,1) = -(float)y; - bound = (float)_width - x; if (U(x,y,0)>=bound) U(x,y,0) = bound; - bound = (float)_height - y; if (U(x,y,1)>=bound) U(x,y,1) = bound; - } - _energy+=delta_I*delta_I + nsmoothness*_energy_regul; - } - if (V) cimg_forX(V,x) if (V(x,y,2)) { // Apply constraints. - U(x,y,0) = V(x,y,0)/factor; - U(x,y,1) = V(x,y,1)/factor; - } - } - } - } - const float d_energy = (_energy - energy)/(sw*sh*sd); - if (d_energy<=0 && -d_energy<_precision) break; - if (d_energy>0) dt*=0.5f; - energy = _energy; - } - } - return U; - } - - //! Compute correspondence map between two images, using the patch-match algorithm. - /** - \param patch_image The image containing the reference patches to match with the instance image. - \param patch_width Width of the patch used for matching. - \param patch_height Height of the patch used for matching. - \param patch_depth Depth of the patch used for matching. - \param nb_iterations Number of patch-match iterations. - \param nb_randoms Number of randomization attempts (per pixel). - \param guide Image used as the initial correspondence estimate for the algorithm. - 'guide' may have a last channel with boolean values (0=false | other=true) that - tells for each pixel if its correspondence vector is constrained to its initial value (constraint mask). - \param[out] matching_score Returned as the image of matching scores. - \note - The patch-match algorithm is described in this paper: - Connelly Barnes, Eli Shechtman, Adam Finkelstein, Dan B Goldman(2009), - PatchMatch: A Randomized Correspondence Algorithm for Structural Image Editing - **/ - template - CImg& patchmatch(const CImg& patch_image, - const unsigned int patch_width, - const unsigned int patch_height, - const unsigned int patch_depth, - const unsigned int nb_iterations, - const unsigned int nb_randoms, - const CImg &guide, - CImg &matching_score) { - return get_patchmatch(patch_image,patch_width,patch_height,patch_depth, - nb_iterations,nb_randoms,guide,matching_score).move_to(*this); - } - - //! Compute correspondence map between two images, using the patch-match algorithm \newinstance. - template - CImg get_patchmatch(const CImg& patch_image, - const unsigned int patch_width, - const unsigned int patch_height, - const unsigned int patch_depth, - const unsigned int nb_iterations, - const unsigned int nb_randoms, - const CImg &guide, - CImg &matching_score) const { - return _get_patchmatch(patch_image,patch_width,patch_height,patch_depth, - nb_iterations,nb_randoms, - guide,true,matching_score); - } - - //! Compute correspondence map between two images, using the patch-match algorithm \overloading. - template - CImg& patchmatch(const CImg& patch_image, - const unsigned int patch_width, - const unsigned int patch_height, - const unsigned int patch_depth, - const unsigned int nb_iterations, - const unsigned int nb_randoms, - const CImg &guide) { - return get_patchmatch(patch_image,patch_width,patch_height,patch_depth, - nb_iterations,nb_randoms,guide).move_to(*this); - } - - //! Compute correspondence map between two images, using the patch-match algorithm \overloading. - template - CImg get_patchmatch(const CImg& patch_image, - const unsigned int patch_width, - const unsigned int patch_height, - const unsigned int patch_depth, - const unsigned int nb_iterations, - const unsigned int nb_randoms, - const CImg &guide) const { - return _get_patchmatch(patch_image,patch_width,patch_height,patch_depth, - nb_iterations,nb_randoms, - guide,false,CImg::empty()); - } - - //! Compute correspondence map between two images, using the patch-match algorithm \overloading. - CImg& patchmatch(const CImg& patch_image, - const unsigned int patch_width, - const unsigned int patch_height, - const unsigned int patch_depth=1, - const unsigned int nb_iterations=5, - const unsigned int nb_randoms=5) { - return get_patchmatch(patch_image,patch_width,patch_height,patch_depth, - nb_iterations,nb_randoms).move_to(*this); - } - - //! Compute correspondence map between two images, using the patch-match algorithm \overloading. - CImg get_patchmatch(const CImg& patch_image, - const unsigned int patch_width, - const unsigned int patch_height, - const unsigned int patch_depth=1, - const unsigned int nb_iterations=5, - const unsigned int nb_randoms=5) const { - return _get_patchmatch(patch_image,patch_width,patch_height,patch_depth, - nb_iterations,nb_randoms, - CImg::const_empty(), - false,CImg::empty()); - } - - template - CImg _get_patchmatch(const CImg& patch_image, - const unsigned int patch_width, - const unsigned int patch_height, - const unsigned int patch_depth, - const unsigned int nb_iterations, - const unsigned int nb_randoms, - const CImg &guide, - const bool is_matching_score, - CImg &matching_score) const { - if (is_empty()) return CImg::const_empty(); - if (patch_image._spectrum!=_spectrum) - throw CImgArgumentException(_cimg_instance - "patchmatch(): Instance image and specified patch image (%u,%u,%u,%u,%p) " - "have different spectrums.", - cimg_instance, - patch_image._width,patch_image._height,patch_image._depth,patch_image._spectrum, - patch_image._data); - if (patch_width>_width || patch_height>_height || patch_depth>_depth) - throw CImgArgumentException(_cimg_instance - "patchmatch(): Specified patch size %ux%ux%u is bigger than the dimensions " - "of the instance image.", - cimg_instance,patch_width,patch_height,patch_depth); - if (patch_width>patch_image._width || patch_height>patch_image._height || patch_depth>patch_image._depth) - throw CImgArgumentException(_cimg_instance - "patchmatch(): Specified patch size %ux%ux%u is bigger than the dimensions " - "of the patch image image (%u,%u,%u,%u,%p).", - cimg_instance,patch_width,patch_height,patch_depth, - patch_image._width,patch_image._height,patch_image._depth,patch_image._spectrum, - patch_image._data); - const unsigned int - _constraint = patch_image._depth>1?3:2, - constraint = guide._spectrum>_constraint?_constraint:0; - - if (guide && - (guide._width!=_width || guide._height!=_height || guide._depth!=_depth || guide._spectrum<_constraint)) - throw CImgArgumentException(_cimg_instance - "patchmatch(): Specified guide (%u,%u,%u,%u,%p) has invalid dimensions " - "considering instance and patch image image (%u,%u,%u,%u,%p).", - cimg_instance, - guide._width,guide._height,guide._depth,guide._spectrum,guide._data, - patch_image._width,patch_image._height,patch_image._depth,patch_image._spectrum, - patch_image._data); - - CImg map(_width,_height,_depth,patch_image._depth>1?3:2); - CImg score(_width,_height,_depth); - const int - psizew = (int)patch_width, psizew1 = psizew/2, psizew2 = psizew - psizew1 - 1, - psizeh = (int)patch_height, psizeh1 = psizeh/2, psizeh2 = psizeh - psizeh1 - 1, - psized = (int)patch_depth, psized1 = psized/2, psized2 = psized - psized1 - 1; - - if (_depth>1 || patch_image._depth>1) { // 3d version. - - // Initialize correspondence map. - if (guide) cimg_forXYZ(*this,x,y,z) { // User-defined initialization. - const int - cx1 = x<=psizew1?x:(x::inf()); - } else cimg_forXYZ(*this,x,y,z) { // Random initialization. - const int - cx1 = x<=psizew1?x:(x::inf()); - } - - // Start iteration loop. - for (unsigned int iter = 0; iter64 && iter0) { // Compare with left neighbor. - const int u = map(x - 1,y,z,0), v = map(x - 1,y,z,1), w = map(x - 1,y,z,2); - if (u>=cx1 - 1 && u=cy1 && v=cz1 && w0) { // Compare with up neighbor. - const int u = map(x,y - 1,z,0), v = map(x,y - 1,z,1), w = map(x,y - 1,z,2); - if (u>=cx1 && u=cy1 - 1 && v=cz1 && w0) { // Compare with backward neighbor. - const int u = map(x,y,z - 1,0), v = map(x,y,z - 1,1), w = map(x,y,z - 1,2); - if (u>=cx1 && u=cy1 && v=cz1 - 1 && w=cx1 + 1 && u=cy1 && v=cz1 && w=cx1 && u=cy1 + 1 && v=cz1 && w=cx1 && u=cy1 && v=cz1 + 1 && w::inf()); - } else cimg_forXY(*this,x,y) { // Random initialization. - const int - cx1 = x<=psizew1?x:(x::inf()); - } - - // Start iteration loop. - for (unsigned int iter = 0; iter64 && iter0) { // Compare with left neighbor. - const int u = map(x - 1,y,0), v = map(x - 1,y,1); - if (u>=cx1 - 1 && u=cy1 && v0) { // Compare with up neighbor. - const int u = map(x,y - 1,0), v = map(x,y - 1,1); - if (u>=cx1 && u=cy1 - 1 && v=cx1 + 1 && u=cy1 && v=cx1 && u=cy1 + 1 && v& img1, const CImg& img2, - const unsigned int psizew, const unsigned int psizeh, - const int x1, const int y1, - const int x2, const int y2, - const float max_ssd) { // 2d version. - const T *p1 = img1.data(x1,y1), *p2 = img2.data(x2,y2); - const unsigned long - offx1 = (unsigned long)img1._width - psizew, - offx2 = (unsigned long)img2._width - psizew, - offy1 = (unsigned long)img1._width*img1._height - psizeh*img1._width, - offy2 = (unsigned long)img2._width*img2._height - psizeh*img2._width; - float ssd = 0; - cimg_forC(img1,c) { - for (unsigned int j = 0; jmax_ssd) return max_ssd; - p1+=offx1; p2+=offx2; - } - p1+=offy1; p2+=offy2; - } - return ssd; - } - - static float _patchmatch(const CImg& img1, const CImg& img2, - const unsigned int psizew, const unsigned int psizeh, const unsigned int psized, - const int x1, const int y1, const int z1, - const int x2, const int y2, const int z2, - const float max_ssd) { // 3d version. - const T *p1 = img1.data(x1,y1,z1), *p2 = img2.data(x2,y2,z2); - const unsigned long - offx1 = (unsigned long)img1._width - psizew, - offx2 = (unsigned long)img2._width - psizew, - offy1 = (unsigned long)img1._width*img1._height - psizeh*img1._width - psizew, - offy2 = (unsigned long)img2._width*img2._height - psizeh*img2._width - psizew, - offz1 = (unsigned long)img1._width*img1._height*img1._depth - psized*img1._width*img1._height - - psizeh*img1._width - psizew, - offz2 = (unsigned long)img2._width*img2._height*img2._depth - psized*img2._width*img2._height - - psizeh*img2._width - psizew; - float ssd = 0; - cimg_forC(img1,c) { - for (unsigned int k = 0; kmax_ssd) return max_ssd; - p1+=offx1; p2+=offx2; - } - p1+=offy1; p2+=offy2; - } - p1+=offz1; p2+=offz2; - } - return ssd; - } - - //! Compute Euclidean distance function to a specified value. - /** - \param value Reference value. - \param metric Type of metric. Can be { 0=Chebyshev | 1=Manhattan | 2=Euclidean | 3=Squared-euclidean }. - \note - The distance transform implementation has been submitted by A. Meijster, and implements - the article 'W.H. Hesselink, A. Meijster, J.B.T.M. Roerdink, - "A general algorithm for computing distance transforms in linear time.", - In: Mathematical Morphology and its Applications to Image and Signal Processing, - J. Goutsias, L. Vincent, and D.S. Bloomberg (eds.), Kluwer, 2000, pp. 331-340.' - The submitted code has then been modified to fit CImg coding style and constraints. - **/ - CImg& distance(const T& value, const unsigned int metric=2) { - if (is_empty()) return *this; - if (cimg::type::string()!=cimg::type::string()) // For datatype < int. - return CImg(*this,false).distance((Tint)value,metric). - cut((Tint)cimg::type::min(),(Tint)cimg::type::max()).move_to(*this); - bool is_value = false; - cimg_for(*this,ptr,T) *ptr = *ptr==value?is_value=true,0:(T)cimg::max(0,99999999); // Trick to avoid VC++ warning - if (!is_value) return fill(cimg::type::max()); - switch (metric) { - case 0 : return _distance_core(_distance_sep_cdt,_distance_dist_cdt); // Chebyshev. - case 1 : return _distance_core(_distance_sep_mdt,_distance_dist_mdt); // Manhattan. - case 3 : return _distance_core(_distance_sep_edt,_distance_dist_edt); // Squared Euclidean. - default : return _distance_core(_distance_sep_edt,_distance_dist_edt).sqrt(); // Euclidean. - } - return *this; - } - - //! Compute distance to a specified value \newinstance. - CImg get_distance(const T& value, const unsigned int metric=2) const { - return CImg(*this,false).distance((Tfloat)value,metric); - } - - static long _distance_sep_edt(const long i, const long u, const long *const g) { - return (u*u - i*i + g[u] - g[i])/(2*(u - i)); - } - - static long _distance_dist_edt(const long x, const long i, const long *const g) { - return (x - i)*(x - i) + g[i]; - } - - static long _distance_sep_mdt(const long i, const long u, const long *const g) { - return (u - i<=g[u] - g[i]?999999999:(g[u] - g[i] + u + i)/2); - } - - static long _distance_dist_mdt(const long x, const long i, const long *const g) { - return (x=0) && f(t[q],s[q],g)>f(t[q],u,g)) { --q; } - if (q<0) { q = 0; s[0] = u; } - else { const long w = 1 + sep(s[q], u, g); if (w<(long)len) { ++q; s[q] = u; t[q] = w; }} - } - for (int u = (int)len - 1; u>=0; --u) { dt[u] = f(u,s[q],g); if (u==t[q]) --q; } // Backward scan. - } - - CImg& _distance_core(long (*const sep)(const long, const long, const long *const), - long (*const f)(const long, const long, const long *const)) { - // Check for g++ 4.9.X, as OpenMP seems to crash for this particular function. I have no clues why. -#define cimg_is_gcc49x (__GNUC__==4 && __GNUC_MINOR__==9) - - const unsigned long wh = (unsigned long)_width*_height; -#if defined(cimg_use_openmp) && !cimg_is_gcc49x -#pragma omp parallel for cimg_openmp_if(_spectrum>=2) -#endif - cimg_forC(*this,c) { - CImg g(_width), dt(_width), s(_width), t(_width); - CImg img = get_shared_channel(c); -#if defined(cimg_use_openmp) && !cimg_is_gcc49x -#pragma omp parallel for collapse(2) if (_width>=512 && _height*_depth>=16) firstprivate(g,dt,s,t) -#endif - cimg_forYZ(*this,y,z) { // Over X-direction. - cimg_forX(*this,x) g[x] = (long)img(x,y,z,0,wh); - _distance_scan(_width,g,sep,f,s,t,dt); - cimg_forX(*this,x) img(x,y,z,0,wh) = (T)dt[x]; - } - if (_height>1) { - g.assign(_height); dt.assign(_height); s.assign(_height); t.assign(_height); -#if defined(cimg_use_openmp) && !cimg_is_gcc49x -#pragma omp parallel for collapse(2) if (_height>=512 && _width*_depth>=16) firstprivate(g,dt,s,t) -#endif - cimg_forXZ(*this,x,z) { // Over Y-direction. - cimg_forY(*this,y) g[y] = (long)img(x,y,z,0,wh); - _distance_scan(_height,g,sep,f,s,t,dt); - cimg_forY(*this,y) img(x,y,z,0,wh) = (T)dt[y]; - } - } - if (_depth>1) { - g.assign(_depth); dt.assign(_depth); s.assign(_depth); t.assign(_depth); -#if defined(cimg_use_openmp) && !cimg_is_gcc49x -#pragma omp parallel for collapse(2) if (_depth>=512 && _width*_height>=16) firstprivate(g,dt,s,t) -#endif - cimg_forXY(*this,x,y) { // Over Z-direction. - cimg_forZ(*this,z) g[z] = (long)img(x,y,z,0,wh); - _distance_scan(_depth,g,sep,f,s,t,dt); - cimg_forZ(*this,z) img(x,y,z,0,wh) = (T)dt[z]; - } - } - } - return *this; - } - - //! Compute chamfer distance to a specified value, with a custom metric. - /** - \param value Reference value. - \param metric_mask Metric mask. - \note The algorithm code has been initially proposed by A. Meijster, and modified by D. Tschumperlé. - **/ - template - CImg& distance(const T& value, const CImg& metric_mask) { - if (is_empty()) return *this; - bool is_value = false; - cimg_for(*this,ptr,T) *ptr = *ptr==value?is_value=true,0:(T)999999999; - if (!is_value) return fill(cimg::type::max()); - const unsigned long wh = (unsigned long)_width*_height; -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_spectrum>=2) -#endif - cimg_forC(*this,c) { - CImg img = get_shared_channel(c); -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(3) if (_width*_height*_depth>=1024) -#endif - cimg_forXYZ(metric_mask,dx,dy,dz) { - const t weight = metric_mask(dx,dy,dz); - if (weight) { - for (int z = dz, nz = 0; z=0; --z,--nz) { // Backward scan. - for (int y = height() - 1 - dy, ny = height() - 1; y>=0; --y,--ny) { - for (int x = width() - 1 - dx, nx = width() - 1; x>=0; --x,--nx) { - const T dd = img(nx,ny,nz,0,wh) + weight; - if (dd - CImg get_distance(const T& value, const CImg& metric_mask) const { - return CImg(*this,false).distance(value,metric_mask); - } - - //! Compute distance to a specified value, according to a custom metric (use dijkstra algorithm). - /** - \param value Reference value. - \param metric Field of distance potentials. - \param is_high_connectivity Tells if the algorithm uses low or high connectivity. - **/ - template - CImg& distance_dijkstra(const T& value, const CImg& metric, const bool is_high_connectivity, - CImg& return_path) { - return get_distance_dijkstra(value,metric,is_high_connectivity,return_path).move_to(*this); - } - - //! Compute distance map to a specified value, according to a custom metric (use dijkstra algorithm) \newinstance. - template - CImg::type> - get_distance_dijkstra(const T& value, const CImg& metric, const bool is_high_connectivity, - CImg& return_path) const { - if (is_empty()) return return_path.assign(); - if (!is_sameXYZ(metric)) - throw CImgArgumentException(_cimg_instance - "distance_dijkstra(): image instance and metric map (%u,%u,%u,%u) " - "have incompatible dimensions.", - cimg_instance, - metric._width,metric._height,metric._depth,metric._spectrum); - typedef typename cimg::superset::type td; // Type used for computing cumulative distances. - CImg result(_width,_height,_depth,_spectrum), Q; - CImg is_queued(_width,_height,_depth,1); - if (return_path) return_path.assign(_width,_height,_depth,_spectrum); - - cimg_forC(*this,c) { - const CImg img = get_shared_channel(c); - const CImg met = metric.get_shared_channel(c%metric._spectrum); - CImg res = result.get_shared_channel(c); - CImg path = return_path?return_path.get_shared_channel(c):CImg(); - unsigned int sizeQ = 0; - - // Detect initial seeds. - is_queued.fill(0); - cimg_forXYZ(img,x,y,z) if (img(x,y,z)==value) { - Q._priority_queue_insert(is_queued,sizeQ,0,x,y,z); - res(x,y,z) = 0; - if (path) path(x,y,z) = (to)0; - } - - // Start distance propagation. - while (sizeQ) { - - // Get and remove point with minimal potential from the queue. - const int x = (int)Q(0,1), y = (int)Q(0,2), z = (int)Q(0,3); - const td P = (td)-Q(0,0); - Q._priority_queue_remove(sizeQ); - - // Update neighbors. - td npot = 0; - if (x - 1>=0 && Q._priority_queue_insert(is_queued,sizeQ,-(npot=met(x - 1,y,z) + P),x - 1,y,z)) { - res(x - 1,y,z) = npot; if (path) path(x - 1,y,z) = (to)2; - } - if (x + 1=0 && Q._priority_queue_insert(is_queued,sizeQ,-(npot=met(x,y - 1,z) + P),x,y - 1,z)) { - res(x,y - 1,z) = npot; if (path) path(x,y - 1,z) = (to)8; - } - if (y + 1=0 && Q._priority_queue_insert(is_queued,sizeQ,-(npot=met(x,y,z - 1) + P),x,y,z - 1)) { - res(x,y,z - 1) = npot; if (path) path(x,y,z - 1) = (to)32; - } - if (z + 1=0 && y - 1>=0 && - Q._priority_queue_insert(is_queued,sizeQ,-(npot=(td)(sqrt2*met(x - 1,y - 1,z) + P)),x - 1,y - 1,z)) { - res(x - 1,y - 1,z) = npot; if (path) path(x - 1,y - 1,z) = (to)10; - } - if (x + 1=0 && - Q._priority_queue_insert(is_queued,sizeQ,-(npot=(td)(sqrt2*met(x + 1,y - 1,z) + P)),x + 1,y - 1,z)) { - res(x + 1,y - 1,z) = npot; if (path) path(x + 1,y - 1,z) = (to)9; - } - if (x - 1>=0 && y + 1=0) { // Diagonal neighbors on slice z - 1. - if (x - 1>=0 && - Q._priority_queue_insert(is_queued,sizeQ,-(npot=(td)(sqrt2*met(x - 1,y,z - 1) + P)),x - 1,y,z - 1)) { - res(x - 1,y,z - 1) = npot; if (path) path(x - 1,y,z - 1) = (to)34; - } - if (x + 1=0 && - Q._priority_queue_insert(is_queued,sizeQ,-(npot=(td)(sqrt2*met(x,y - 1,z - 1) + P)),x,y - 1,z - 1)) { - res(x,y - 1,z - 1) = npot; if (path) path(x,y - 1,z - 1) = (to)40; - } - if (y + 1=0 && y - 1>=0 && - Q._priority_queue_insert(is_queued,sizeQ,-(npot=(td)(sqrt3*met(x - 1,y - 1,z - 1) + P)), - x - 1,y - 1,z - 1)) { - res(x - 1,y - 1,z - 1) = npot; if (path) path(x - 1,y - 1,z - 1) = (to)42; - } - if (x + 1=0 && - Q._priority_queue_insert(is_queued,sizeQ,-(npot=(td)(sqrt3*met(x + 1,y - 1,z - 1) + P)), - x + 1,y - 1,z - 1)) { - res(x + 1,y - 1,z - 1) = npot; if (path) path(x + 1,y - 1,z - 1) = (to)41; - } - if (x - 1>=0 && y + 1=0 && - Q._priority_queue_insert(is_queued,sizeQ,-(npot=(td)(sqrt2*met(x - 1,y,z + 1) + P)),x - 1,y,z + 1)) { - res(x - 1,y,z + 1) = npot; if (path) path(x - 1,y,z + 1) = (to)18; - } - if (x + 1=0 && - Q._priority_queue_insert(is_queued,sizeQ,-(npot=(td)(sqrt2*met(x,y - 1,z + 1) + P)),x,y - 1,z + 1)) { - res(x,y - 1,z + 1) = npot; if (path) path(x,y - 1,z + 1) = (to)24; - } - if (y + 1=0 && y - 1>=0 && - Q._priority_queue_insert(is_queued,sizeQ,-(npot=(td)(sqrt3*met(x - 1,y - 1,z + 1) + P)), - x - 1,y - 1,z + 1)) { - res(x - 1,y - 1,z + 1) = npot; if (path) path(x - 1,y - 1,z + 1) = (to)26; - } - if (x + 1=0 && - Q._priority_queue_insert(is_queued,sizeQ,-(npot=(td)(sqrt3*met(x + 1,y - 1,z + 1) + P)), - x + 1,y - 1,z + 1)) { - res(x + 1,y - 1,z + 1) = npot; if (path) path(x + 1,y - 1,z + 1) = (to)25; - } - if (x - 1>=0 && y + 1 - CImg& distance_dijkstra(const T& value, const CImg& metric, - const bool is_high_connectivity=false) { - return get_distance_dijkstra(value,metric,is_high_connectivity).move_to(*this); - } - - //! Compute distance map to a specified value, according to a custom metric (use dijkstra algorithm). \newinstance. - template - CImg get_distance_dijkstra(const T& value, const CImg& metric, - const bool is_high_connectivity=false) const { - CImg return_path; - return get_distance_dijkstra(value,metric,is_high_connectivity,return_path); - } - - //! Compute distance map to one source point, according to a custom metric (use fast marching algorithm). - /** - \param value Reference value. - \param metric Field of distance potentials. - **/ - template - CImg& distance_eikonal(const T& value, const CImg& metric) { - return get_distance_eikonal(value,metric).move_to(*this); - } - - //! Compute distance map to one source point, according to a custom metric (use fast marching algorithm). - template - CImg get_distance_eikonal(const T& value, const CImg& metric) const { - if (is_empty()) return *this; - if (!is_sameXYZ(metric)) - throw CImgArgumentException(_cimg_instance - "distance_eikonal(): image instance and metric map (%u,%u,%u,%u) have " - "incompatible dimensions.", - cimg_instance, - metric._width,metric._height,metric._depth,metric._spectrum); - CImg result(_width,_height,_depth,_spectrum,cimg::type::max()), Q; - CImg state(_width,_height,_depth); // -1=far away, 0=narrow, 1=frozen. - -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(_spectrum>=2) firstprivate(Q,state) -#endif - cimg_forC(*this,c) { - const CImg img = get_shared_channel(c); - const CImg met = metric.get_shared_channel(c%metric._spectrum); - CImg res = result.get_shared_channel(c); - unsigned int sizeQ = 0; - state.fill(-1); - - // Detect initial seeds. - Tfloat *ptr1 = res._data; char *ptr2 = state._data; - cimg_for(img,ptr0,T) { if (*ptr0==value) { *ptr1 = 0; *ptr2 = 1; } ++ptr1; ++ptr2; } - - // Initialize seeds neighbors. - ptr2 = state._data; - cimg_forXYZ(img,x,y,z) if (*(ptr2++)==1) { - if (x - 1>=0 && state(x - 1,y,z)==-1) { - const Tfloat dist = res(x - 1,y,z) = __distance_eikonal(res,met(x - 1,y,z),x - 1,y,z); - Q._eik_priority_queue_insert(state,sizeQ,-dist,x - 1,y,z); - } - if (x + 1=0 && state(x,y - 1,z)==-1) { - const Tfloat dist = res(x,y - 1,z) = __distance_eikonal(res,met(x,y - 1,z),x,y - 1,z); - Q._eik_priority_queue_insert(state,sizeQ,-dist,x,y - 1,z); - } - if (y + 1=0 && state(x,y,z - 1)==-1) { - const Tfloat dist = res(x,y,z - 1) = __distance_eikonal(res,met(x,y,z - 1),x,y,z - 1); - Q._eik_priority_queue_insert(state,sizeQ,-dist,x,y,z - 1); - } - if (z + 1=0) { - if (x - 1>=0 && state(x - 1,y,z)!=1) { - const Tfloat dist = __distance_eikonal(res,met(x - 1,y,z),x - 1,y,z); - if (dist=0 && state(x,y - 1,z)!=1) { - const Tfloat dist = __distance_eikonal(res,met(x,y - 1,z),x,y - 1,z); - if (dist=0 && state(x,y,z - 1)!=1) { - const Tfloat dist = __distance_eikonal(res,met(x,y,z - 1),x,y,z - 1); - if (dist& res, const Tfloat P, - const int x=0, const int y=0, const int z=0) const { - const T M = cimg::type::max(); - T T1 = cimg::min(x - 1>=0?res(x - 1,y,z):M,x + 11) { // 3d. - T - T2 = cimg::min(y - 1>=0?res(x,y - 1,z):M,y + 1=0?res(x,y,z - 1):M,z + 1T2) cimg::swap(T1,T2); - if (T2>T3) cimg::swap(T2,T3); - if (T1>T2) cimg::swap(T1,T2); - if (P<=0) return (Tfloat)T1; - if (T31) { // 2d. - T T2 = cimg::min(y - 1>=0?res(x,y - 1,z):M,y + 1T2) cimg::swap(T1,T2); - if (P<=0) return (Tfloat)T1; - if (T2 - void _eik_priority_queue_insert(CImg& state, unsigned int& siz, const t value, - const unsigned int x, const unsigned int y, const unsigned int z) { - if (state(x,y,z)>0) return; - state(x,y,z) = 0; - if (++siz>=_width) { if (!is_empty()) resize(_width*2,4,1,1,0); else assign(64,4); } - (*this)(siz - 1,0) = (T)value; (*this)(siz - 1,1) = (T)x; (*this)(siz - 1,2) = (T)y; (*this)(siz - 1,3) = (T)z; - for (unsigned int pos = siz - 1, par = 0; pos && value>(*this)(par=(pos + 1)/2 - 1,0); pos = par) { - cimg::swap((*this)(pos,0),(*this)(par,0)); cimg::swap((*this)(pos,1),(*this)(par,1)); - cimg::swap((*this)(pos,2),(*this)(par,2)); cimg::swap((*this)(pos,3),(*this)(par,3)); - } - } - - //! Compute distance function to 0-valued isophotes, using the Eikonal PDE. - /** - \param nb_iterations Number of PDE iterations. - \param band_size Size of the narrow band. - \param time_step Time step of the PDE iterations. - **/ - CImg& distance_eikonal(const unsigned int nb_iterations, const float band_size=0, const float time_step=0.5f) { - if (is_empty()) return *this; - CImg velocity(*this); - for (unsigned int iteration = 0; iteration1) { // 3d - CImg_3x3x3(I,Tfloat); - cimg_forC(*this,c) cimg_for3x3x3(*this,x,y,z,c,I,Tfloat) if (band_size<=0 || cimg::abs(Iccc)0?(Incc - Iccc):(Iccc - Ipcc), - iy = gy*sgn>0?(Icnc - Iccc):(Iccc - Icpc), - iz = gz*sgn>0?(Iccn - Iccc):(Iccc - Iccp), - ng = (Tfloat)(1e-5f + std::sqrt(gx*gx + gy*gy + gz*gz)), - ngx = gx/ng, - ngy = gy/ng, - ngz = gz/ng, - veloc = sgn*(ngx*ix + ngy*iy + ngz*iz - 1); - *(ptrd++) = veloc; - if (veloc>veloc_max) veloc_max = veloc; else if (-veloc>veloc_max) veloc_max = -veloc; - } else *(ptrd++) = 0; - } else { // 2d version - CImg_3x3(I,Tfloat); - cimg_forC(*this,c) cimg_for3x3(*this,x,y,0,c,I,Tfloat) if (band_size<=0 || cimg::abs(Icc)0?(Inc - Icc):(Icc - Ipc), - iy = gy*sgn>0?(Icn - Icc):(Icc - Icp), - ng = (Tfloat)(1e-5f + std::sqrt(gx*gx + gy*gy)), - ngx = gx/ng, - ngy = gy/ng, - veloc = sgn*(ngx*ix + ngy*iy - 1); - *(ptrd++) = veloc; - if (veloc>veloc_max) veloc_max = veloc; else if (-veloc>veloc_max) veloc_max = -veloc; - } else *(ptrd++) = 0; - } - if (veloc_max>0) *this+=(velocity*=time_step/veloc_max); - } - return *this; - } - - //! Compute distance function to 0-valued isophotes, using the Eikonal PDE \newinstance. - CImg get_distance_eikonal(const unsigned int nb_iterations, const float band_size=0, - const float time_step=0.5f) const { - return CImg(*this,false).distance_eikonal(nb_iterations,band_size,time_step); - } - - //! Compute Haar multiscale wavelet transform. - /** - \param axis Axis considered for the transform. - \param invert Set inverse of direct transform. - \param nb_scales Number of scales used for the transform. - **/ - CImg& haar(const char axis, const bool invert=false, const unsigned int nb_scales=1) { - return get_haar(axis,invert,nb_scales).move_to(*this); - } - - //! Compute Haar multiscale wavelet transform \newinstance. - CImg get_haar(const char axis, const bool invert=false, const unsigned int nb_scales=1) const { - if (is_empty() || !nb_scales) return +*this; - CImg res; - const Tfloat sqrt2 = std::sqrt(2.0f); - if (nb_scales==1) { - switch (cimg::uncase(axis)) { // Single scale transform - case 'x' : { - const unsigned int w = _width/2; - if (w) { - if ((w%2) && w!=1) - throw CImgInstanceException(_cimg_instance - "haar(): Sub-image width %u is not even.", - cimg_instance, - w); - - res.assign(_width,_height,_depth,_spectrum); - if (invert) cimg_forYZC(*this,y,z,c) { // Inverse transform along X - for (unsigned int x = 0, xw = w, x2 = 0; x& haar(const bool invert=false, const unsigned int nb_scales=1) { - return get_haar(invert,nb_scales).move_to(*this); - } - - //! Compute Haar multiscale wavelet transform \newinstance. - CImg get_haar(const bool invert=false, const unsigned int nb_scales=1) const { - CImg res; - if (nb_scales==1) { // Single scale transform - if (_width>1) get_haar('x',invert,1).move_to(res); - if (_height>1) { if (res) res.haar('y',invert,1); else get_haar('y',invert,1).move_to(res); } - if (_depth>1) { if (res) res.haar('z',invert,1); else get_haar('z',invert,1).move_to(res); } - if (res) return res; - } else { // Multi-scale transform - if (invert) { // Inverse transform - res.assign(*this); - if (_width>1) { - if (_height>1) { - if (_depth>1) { - unsigned int w = _width, h = _height, d = _depth; - for (unsigned int s = 1; w && h && d && s1) { - unsigned int w = _width, d = _depth; - for (unsigned int s = 1; w && d && s1) { - if (_depth>1) { - unsigned int h = _height, d = _depth; - for (unsigned int s = 1; h && d && s1) { - unsigned int d = _depth; - for (unsigned int s = 1; d && s1) { - if (_height>1) { - if (_depth>1) - for (unsigned int s = 1, w = _width/2, h = _height/2, d = _depth/2; w && h && d && s1) for (unsigned int s = 1, w = _width/2, d = _depth/2; w && d && s1) { - if (_depth>1) - for (unsigned int s = 1, h = _height/2, d = _depth/2; h && d && s1) for (unsigned int s = 1, d = _depth/2; d && s get_FFT(const char axis, const bool is_invert=false) const { - CImgList res(*this,CImg()); - CImg::FFT(res[0],res[1],axis,is_invert); - return res; - } - - //! Compute n-d Fast Fourier Transform. - /* - \param is_invert Tells if the forward (\c false) or inverse (\c true) FFT is computed. - **/ - CImgList get_FFT(const bool is_invert=false) const { - CImgList res(*this,CImg()); - CImg::FFT(res[0],res[1],is_invert); - return res; - } - - //! Compute 1d Fast Fourier Transform, along a specified axis. - /** - \param[in,out] real Real part of the pixel values. - \param[in,out] imag Imaginary part of the pixel values. - \param axis Axis along which the FFT is computed. - \param is_invert Tells if the forward (\c false) or inverse (\c true) FFT is computed. - **/ - static void FFT(CImg& real, CImg& imag, const char axis, const bool is_invert=false) { - if (!real) - throw CImgInstanceException("CImg<%s>::FFT(): Specified real part is empty.", - pixel_type()); - - if (!imag) imag.assign(real._width,real._height,real._depth,real._spectrum,0); - if (!real.is_sameXYZC(imag)) - throw CImgInstanceException("CImg<%s>::FFT(): Specified real part (%u,%u,%u,%u,%p) and " - "imaginary part (%u,%u,%u,%u,%p) have different dimensions.", - pixel_type(), - real._width,real._height,real._depth,real._spectrum,real._data, - imag._width,imag._height,imag._depth,imag._spectrum,imag._data); -#ifdef cimg_use_fftw3 - cimg::mutex(12); - fftw_complex *data_in; - fftw_plan data_plan; - - switch (cimg::uncase(axis)) { - case 'x' : { // Fourier along X, using FFTW library. - data_in = (fftw_complex*)fftw_malloc(sizeof(fftw_complex)*real._width); - if (!data_in) throw CImgInstanceException("CImgList<%s>::FFT(): Failed to allocate memory (%s) " - "for computing FFT of image (%u,%u,%u,%u) along the X-axis.", - pixel_type(), - cimg::strbuffersize(sizeof(fftw_complex)*real._width), - real._width,real._height,real._depth,real._spectrum); - - data_plan = fftw_plan_dft_1d(real._width,data_in,data_in,is_invert?FFTW_BACKWARD:FFTW_FORWARD,FFTW_ESTIMATE); - cimg_forYZC(real,y,z,c) { - T *ptrr = real.data(0,y,z,c), *ptri = imag.data(0,y,z,c); - double *ptrd = (double*)data_in; - cimg_forX(real,x) { *(ptrd++) = (double)*(ptrr++); *(ptrd++) = (double)*(ptri++); } - fftw_execute(data_plan); - const unsigned int fact = real._width; - if (is_invert) cimg_forX(real,x) { *(--ptri) = (T)(*(--ptrd)/fact); *(--ptrr) = (T)(*(--ptrd)/fact); } - else cimg_forX(real,x) { *(--ptri) = (T)*(--ptrd); *(--ptrr) = (T)*(--ptrd); } - } - } break; - case 'y' : { // Fourier along Y, using FFTW library. - data_in = (fftw_complex*)fftw_malloc(sizeof(fftw_complex) * real._height); - if (!data_in) throw CImgInstanceException("CImgList<%s>::FFT(): Failed to allocate memory (%s) " - "for computing FFT of image (%u,%u,%u,%u) along the Y-axis.", - pixel_type(), - cimg::strbuffersize(sizeof(fftw_complex)*real._height), - real._width,real._height,real._depth,real._spectrum); - - data_plan = fftw_plan_dft_1d(real._height,data_in,data_in,is_invert?FFTW_BACKWARD:FFTW_FORWARD,FFTW_ESTIMATE); - const unsigned int off = real._width; - cimg_forXZC(real,x,z,c) { - T *ptrr = real.data(x,0,z,c), *ptri = imag.data(x,0,z,c); - double *ptrd = (double*)data_in; - cimg_forY(real,y) { *(ptrd++) = (double)*ptrr; *(ptrd++) = (double)*ptri; ptrr+=off; ptri+=off; } - fftw_execute(data_plan); - const unsigned int fact = real._height; - if (is_invert) - cimg_forY(real,y) { ptrr-=off; ptri-=off; *ptri = (T)(*(--ptrd)/fact); *ptrr = (T)(*(--ptrd)/fact); } - else cimg_forY(real,y) { ptrr-=off; ptri-=off; *ptri = (T)*(--ptrd); *ptrr = (T)*(--ptrd); } - } - } break; - case 'z' : { // Fourier along Z, using FFTW library. - data_in = (fftw_complex*)fftw_malloc(sizeof(fftw_complex) * real._depth); - if (!data_in) throw CImgInstanceException("CImgList<%s>::FFT(): Failed to allocate memory (%s) " - "for computing FFT of image (%u,%u,%u,%u) along the Z-axis.", - pixel_type(), - cimg::strbuffersize(sizeof(fftw_complex)*real._depth), - real._width,real._height,real._depth,real._spectrum); - - data_plan = fftw_plan_dft_1d(real._depth,data_in,data_in,is_invert?FFTW_BACKWARD:FFTW_FORWARD,FFTW_ESTIMATE); - const unsigned long off = (unsigned long)real._width*real._height; - cimg_forXYC(real,x,y,c) { - T *ptrr = real.data(x,y,0,c), *ptri = imag.data(x,y,0,c); - double *ptrd = (double*)data_in; - cimg_forZ(real,z) { *(ptrd++) = (double)*ptrr; *(ptrd++) = (double)*ptri; ptrr+=off; ptri+=off; } - fftw_execute(data_plan); - const unsigned int fact = real._depth; - if (is_invert) - cimg_forZ(real,z) { ptrr-=off; ptri-=off; *ptri = (T)(*(--ptrd)/fact); *ptrr = (T)(*(--ptrd)/fact); } - else cimg_forZ(real,z) { ptrr-=off; ptri-=off; *ptri = (T)*(--ptrd); *ptrr = (T)*(--ptrd); } - } - } break; - default : - throw CImgArgumentException("CImgList<%s>::FFT(): Invalid specified axis '%c' for real and imaginary parts " - "(%u,%u,%u,%u) " - "(should be { x | y | z }).", - pixel_type(),axis, - real._width,real._height,real._depth,real._spectrum); - } - fftw_destroy_plan(data_plan); - fftw_free(data_in); - cimg::mutex(12,0); -#else - switch (cimg::uncase(axis)) { - case 'x' : { // Fourier along X, using built-in functions. - const unsigned int N = real._width, N2 = (N>>1); - if (((N - 1)&N) && N!=1) - throw CImgInstanceException("CImgList<%s>::FFT(): Specified real and imaginary parts (%u,%u,%u,%u) " - "have non 2^N dimension along the X-axis.", - pixel_type(), - real._width,real._height,real._depth,real._spectrum); - - for (unsigned int i = 0, j = 0; ii) cimg_forYZC(real,y,z,c) { - cimg::swap(real(i,y,z,c),real(j,y,z,c)); cimg::swap(imag(i,y,z,c),imag(j,y,z,c)); - if (j=m; j-=m, m = n, n>>=1) {} - } - for (unsigned int delta = 2; delta<=N; delta<<=1) { - const unsigned int delta2 = (delta>>1); - for (unsigned int i = 0; i>1); - if (((N - 1)&N) && N!=1) - throw CImgInstanceException("CImgList<%s>::FFT(): Specified real and imaginary parts (%u,%u,%u,%u) " - "have non 2^N dimension along the Y-axis.", - pixel_type(), - real._width,real._height,real._depth,real._spectrum); - - for (unsigned int i = 0, j = 0; ii) cimg_forXZC(real,x,z,c) { - cimg::swap(real(x,i,z,c),real(x,j,z,c)); cimg::swap(imag(x,i,z,c),imag(x,j,z,c)); - if (j=m; j-=m, m = n, n>>=1) {} - } - for (unsigned int delta = 2; delta<=N; delta<<=1) { - const unsigned int delta2 = (delta>>1); - for (unsigned int i = 0; i>1); - if (((N - 1)&N) && N!=1) - throw CImgInstanceException("CImgList<%s>::FFT(): Specified real and imaginary parts (%u,%u,%u,%u) " - "have non 2^N dimension along the Z-axis.", - pixel_type(), - real._width,real._height,real._depth,real._spectrum); - - for (unsigned int i = 0, j = 0; ii) cimg_forXYC(real,x,y,c) { - cimg::swap(real(x,y,i,c),real(x,y,j,c)); cimg::swap(imag(x,y,i,c),imag(x,y,j,c)); - if (j=m; j-=m, m = n, n>>=1) {} - } - for (unsigned int delta = 2; delta<=N; delta<<=1) { - const unsigned int delta2 = (delta>>1); - for (unsigned int i = 0; i::FFT(): Invalid specified axis '%c' for real and imaginary parts " - "(%u,%u,%u,%u) " - "(should be { x | y | z }).", - pixel_type(),axis, - real._width,real._height,real._depth,real._spectrum); - } -#endif - } - - //! Compute n-d Fast Fourier Transform. - /** - \param[in,out] real Real part of the pixel values. - \param[in,out] imag Imaginary part of the pixel values. - \param is_invert Tells if the forward (\c false) or inverse (\c true) FFT is computed. - \param nb_threads Number of parallel threads used for the computation. - Use \c 0 to set this to the number of available cpus. - **/ - static void FFT(CImg& real, CImg& imag, const bool is_invert=false, const unsigned int nb_threads=0) { - if (!real) - throw CImgInstanceException("CImgList<%s>::FFT(): Empty specified real part.", - pixel_type()); - - if (!imag) imag.assign(real._width,real._height,real._depth,real._spectrum,0); - if (!real.is_sameXYZC(imag)) - throw CImgInstanceException("CImgList<%s>::FFT(): Specified real part (%u,%u,%u,%u,%p) and " - "imaginary part (%u,%u,%u,%u,%p) have different dimensions.", - pixel_type(), - real._width,real._height,real._depth,real._spectrum,real._data, - imag._width,imag._height,imag._depth,imag._spectrum,imag._data); - -#ifdef cimg_use_fftw3 - cimg::mutex(12); -#ifndef cimg_use_fftw3_singlethread - const unsigned int _nb_threads = nb_threads?nb_threads:cimg::nb_cpus(); - static int fftw_st = fftw_init_threads(); - cimg::unused(fftw_st); - fftw_plan_with_nthreads(_nb_threads); -#else - cimg::unused(nb_threads); -#endif - fftw_complex *data_in = (fftw_complex*)fftw_malloc(sizeof(fftw_complex)*real._width*real._height*real._depth); - if (!data_in) throw CImgInstanceException("CImgList<%s>::FFT(): Failed to allocate memory (%s) " - "for computing FFT of image (%u,%u,%u,%u).", - pixel_type(), - cimg::strbuffersize(sizeof(fftw_complex)*real._width* - real._height*real._depth*real._spectrum), - real._width,real._height,real._depth,real._spectrum); - - fftw_plan data_plan; - const unsigned long w = (unsigned long)real._width, wh = w*real._height, whd = wh*real._depth; - data_plan = fftw_plan_dft_3d(real._width,real._height,real._depth,data_in,data_in, - is_invert?FFTW_BACKWARD:FFTW_FORWARD,FFTW_ESTIMATE); - cimg_forC(real,c) { - T *ptrr = real.data(0,0,0,c), *ptri = imag.data(0,0,0,c); - double *ptrd = (double*)data_in; - for (unsigned int x = 0; x1) FFT(real,imag,'z',is_invert); - if (real._height>1) FFT(real,imag,'y',is_invert); - if (real._width>1) FFT(real,imag,'x',is_invert); -#endif - } - - //@} - //------------------------------------- - // - //! \name 3d Objects Management - //@{ - //------------------------------------- - - //! Shift 3d object's vertices. - /** - \param tx X-coordinate of the 3d displacement vector. - \param ty Y-coordinate of the 3d displacement vector. - \param tz Z-coordinate of the 3d displacement vector. - **/ - CImg& shift_object3d(const float tx, const float ty=0, const float tz=0) { - if (_height!=3 || _depth>1 || _spectrum>1) - throw CImgInstanceException(_cimg_instance - "shift_object3d(): Instance is not a set of 3d vertices.", - cimg_instance); - - get_shared_row(0)+=tx; get_shared_row(1)+=ty; get_shared_row(2)+=tz; - return *this; - } - - //! Shift 3d object's vertices \newinstance. - CImg get_shift_object3d(const float tx, const float ty=0, const float tz=0) const { - return CImg(*this,false).shift_object3d(tx,ty,tz); - } - - //! Shift 3d object's vertices, so that it becomes centered. - /** - \note The object center is computed as its barycenter. - **/ - CImg& shift_object3d() { - if (_height!=3 || _depth>1 || _spectrum>1) - throw CImgInstanceException(_cimg_instance - "shift_object3d(): Instance is not a set of 3d vertices.", - cimg_instance); - - CImg xcoords = get_shared_row(0), ycoords = get_shared_row(1), zcoords = get_shared_row(2); - float - xm, xM = (float)xcoords.max_min(xm), - ym, yM = (float)ycoords.max_min(ym), - zm, zM = (float)zcoords.max_min(zm); - xcoords-=(xm + xM)/2; ycoords-=(ym + yM)/2; zcoords-=(zm + zM)/2; - return *this; - } - - //! Shift 3d object's vertices, so that it becomes centered \newinstance. - CImg get_shift_object3d() const { - return CImg(*this,false).shift_object3d(); - } - - //! Resize 3d object. - /** - \param sx Width of the 3d object's bounding box. - \param sy Height of the 3d object's bounding box. - \param sz Depth of the 3d object's bounding box. - **/ - CImg& resize_object3d(const float sx, const float sy=-100, const float sz=-100) { - if (_height!=3 || _depth>1 || _spectrum>1) - throw CImgInstanceException(_cimg_instance - "resize_object3d(): Instance is not a set of 3d vertices.", - cimg_instance); - - CImg xcoords = get_shared_row(0), ycoords = get_shared_row(1), zcoords = get_shared_row(2); - float - xm, xM = (float)xcoords.max_min(xm), - ym, yM = (float)ycoords.max_min(ym), - zm, zM = (float)zcoords.max_min(zm); - if (xm0) xcoords*=sx/(xM-xm); else xcoords*=-sx/100; } - if (ym0) ycoords*=sy/(yM-ym); else ycoords*=-sy/100; } - if (zm0) zcoords*=sz/(zM-zm); else zcoords*=-sz/100; } - return *this; - } - - //! Resize 3d object \newinstance. - CImg get_resize_object3d(const float sx, const float sy=-100, const float sz=-100) const { - return CImg(*this,false).resize_object3d(sx,sy,sz); - } - - //! Resize 3d object to unit size. - CImg resize_object3d() { - if (_height!=3 || _depth>1 || _spectrum>1) - throw CImgInstanceException(_cimg_instance - "resize_object3d(): Instance is not a set of 3d vertices.", - cimg_instance); - - CImg xcoords = get_shared_row(0), ycoords = get_shared_row(1), zcoords = get_shared_row(2); - float - xm, xM = (float)xcoords.max_min(xm), - ym, yM = (float)ycoords.max_min(ym), - zm, zM = (float)zcoords.max_min(zm); - const float dx = xM - xm, dy = yM - ym, dz = zM - zm, dmax = cimg::max(dx,dy,dz); - if (dmax>0) { xcoords/=dmax; ycoords/=dmax; zcoords/=dmax; } - return *this; - } - - //! Resize 3d object to unit size \newinstance. - CImg get_resize_object3d() const { - return CImg(*this,false).resize_object3d(); - } - - //! Merge two 3d objects together. - /** - \param[in,out] primitives Primitives data of the current 3d object. - \param obj_vertices Vertices data of the additional 3d object. - \param obj_primitives Primitives data of the additional 3d object. - **/ - template - CImg& append_object3d(CImgList& primitives, const CImg& obj_vertices, - const CImgList& obj_primitives) { - if (!obj_vertices || !obj_primitives) return *this; - if (obj_vertices._height!=3 || obj_vertices._depth>1 || obj_vertices._spectrum>1) - throw CImgInstanceException(_cimg_instance - "append_object3d(): Specified vertice image (%u,%u,%u,%u,%p) is not a " - "set of 3d vertices.", - cimg_instance, - obj_vertices._width,obj_vertices._height, - obj_vertices._depth,obj_vertices._spectrum,obj_vertices._data); - - if (is_empty()) { primitives.assign(obj_primitives); return assign(obj_vertices); } - if (_height!=3 || _depth>1 || _spectrum>1) - throw CImgInstanceException(_cimg_instance - "append_object3d(): Instance is not a set of 3d vertices.", - cimg_instance); - - const unsigned int P = _width; - append(obj_vertices,'x'); - const unsigned int N = primitives._width; - primitives.insert(obj_primitives); - for (unsigned int i = N; i &p = primitives[i]; - switch (p.size()) { - case 1 : p[0]+=P; break; // Point. - case 5 : p[0]+=P; p[1]+=P; break; // Sphere. - case 2 : case 6 : p[0]+=P; p[1]+=P; break; // Segment. - case 3 : case 9 : p[0]+=P; p[1]+=P; p[2]+=P; break; // Triangle. - case 4 : case 12 : p[0]+=P; p[1]+=P; p[2]+=P; p[3]+=P; break; // Rectangle. - } - } - return *this; - } - - //! Texturize primitives of a 3d object. - /** - \param[in,out] primitives Primitives data of the 3d object. - \param[in,out] colors Colors data of the 3d object. - \param texture Texture image to map to 3d object. - \param coords Texture-mapping coordinates. - **/ - template - const CImg& texturize_object3d(CImgList& primitives, CImgList& colors, - const CImg& texture, const CImg& coords=CImg::const_empty()) const { - if (is_empty()) return *this; - if (_height!=3) - throw CImgInstanceException(_cimg_instance - "texturize_object3d(): image instance is not a set of 3d points.", - cimg_instance); - if (coords && (coords._width!=_width || coords._height!=2)) - throw CImgArgumentException(_cimg_instance - "texturize_object3d(): Invalid specified texture coordinates (%u,%u,%u,%u,%p).", - cimg_instance, - coords._width,coords._height,coords._depth,coords._spectrum,coords._data); - CImg _coords; - if (!coords) { // If no texture coordinates specified, do a default XY-projection. - _coords.assign(_width,2); - float - xmin, xmax = (float)get_shared_row(0).max_min(xmin), - ymin, ymax = (float)get_shared_row(1).max_min(ymin), - dx = xmax>xmin?xmax-xmin:1, - dy = ymax>ymin?ymax-ymin:1; - cimg_forX(*this,p) { - _coords(p,0) = (int)(((*this)(p,0) - xmin)*texture._width/dx); - _coords(p,1) = (int)(((*this)(p,1) - ymin)*texture._height/dy); - } - } else _coords = coords; - - int texture_ind = -1; - cimglist_for(primitives,l) { - CImg &p = primitives[l]; - const unsigned int siz = p.size(); - switch (siz) { - case 1 : { // Point. - const unsigned int i0 = (unsigned int)p[0]; - const int x0 = _coords(i0,0), y0 = _coords(i0,1); - texture.get_vector_at(x0<=0?0:x0>=texture.width()?texture.width() - 1:x0, - y0<=0?0:y0>=texture.height()?texture.height() - 1:y0).move_to(colors[l]); - } break; - case 2 : case 6 : { // Line. - const unsigned int i0 = (unsigned int)p[0], i1 = (unsigned int)p[1]; - const int - x0 = _coords(i0,0), y0 = _coords(i0,1), - x1 = _coords(i1,0), y1 = _coords(i1,1); - if (texture_ind<0) colors[texture_ind=l].assign(texture,false); - else colors[l].assign(colors[texture_ind],true); - CImg::vector(i0,i1,x0,y0,x1,y1).move_to(p); - } break; - case 3 : case 9 : { // Triangle. - const unsigned int i0 = (unsigned int)p[0], i1 = (unsigned int)p[1], i2 = (unsigned int)p[2]; - const int - x0 = _coords(i0,0), y0 = _coords(i0,1), - x1 = _coords(i1,0), y1 = _coords(i1,1), - x2 = _coords(i2,0), y2 = _coords(i2,1); - if (texture_ind<0) colors[texture_ind=l].assign(texture,false); - else colors[l].assign(colors[texture_ind],true); - CImg::vector(i0,i1,i2,x0,y0,x1,y1,x2,y2).move_to(p); - } break; - case 4 : case 12 : { // Quadrangle. - const unsigned int - i0 = (unsigned int)p[0], i1 = (unsigned int)p[1], i2 = (unsigned int)p[2], i3 = (unsigned int)p[3]; - const int - x0 = _coords(i0,0), y0 = _coords(i0,1), - x1 = _coords(i1,0), y1 = _coords(i1,1), - x2 = _coords(i2,0), y2 = _coords(i2,1), - x3 = _coords(i3,0), y3 = _coords(i3,1); - if (texture_ind<0) colors[texture_ind=l].assign(texture,false); - else colors[l].assign(colors[texture_ind],true); - CImg::vector(i0,i1,i2,i3,x0,y0,x1,y1,x2,y2,x3,y3).move_to(p); - } break; - } - } - return *this; - } - - //! Generate a 3d elevation of the image instance. - /** - \param[out] primitives The returned list of the 3d object primitives - (template type \e tf should be at least \e unsigned \e int). - \param[out] colors The returned list of the 3d object colors. - \param elevation The input elevation map. - \return The N vertices (xi,yi,zi) of the 3d object as a Nx3 CImg image (0<=i<=N - 1). - \par Example - \code - const CImg img("reference.jpg"); - CImgList faces3d; - CImgList colors3d; - const CImg points3d = img.get_elevation3d(faces3d,colors3d,img.get_norm()*0.2); - CImg().display_object3d("Elevation3d",points3d,faces3d,colors3d); - \endcode - \image html ref_elevation3d.jpg - **/ - template - CImg get_elevation3d(CImgList& primitives, CImgList& colors, const CImg& elevation) const { - if (!is_sameXY(elevation) || elevation._depth>1 || elevation._spectrum>1) - throw CImgArgumentException(_cimg_instance - "get_elevation3d(): Instance and specified elevation (%u,%u,%u,%u,%p) " - "have incompatible dimensions.", - cimg_instance, - elevation._width,elevation._height,elevation._depth, - elevation._spectrum,elevation._data); - if (is_empty()) return *this; - float m, M = (float)max_min(m); - if (M==m) ++M; - colors.assign(); - const unsigned int size_x1 = _width - 1, size_y1 = _height - 1; - for (unsigned int y = 0; y1?((*this)(x,y,1) - m)*255/(M-m):r), - b = (unsigned char)(_spectrum>2?((*this)(x,y,2) - m)*255/(M-m):_spectrum>1?0:r); - CImg::vector((tc)r,(tc)g,(tc)b).move_to(colors); - } - const typename CImg::_functor2d_int func(elevation); - return elevation3d(primitives,func,0,0,_width - 1.0f,_height - 1.0f,_width,_height); - } - - //! Generate the 3d projection planes of the image instance. - /** - \param[out] primitives Primitives data of the returned 3d object. - \param[out] colors Colors data of the returned 3d object. - \param x0 X-coordinate of the projection point. - \param y0 Y-coordinate of the projection point. - \param z0 Z-coordinate of the projection point. - \param normalize_colors Tells if the created textures have normalized colors. - **/ - template - CImg get_projections3d(CImgList& primitives, CImgList& colors, - const unsigned int x0, const unsigned int y0, const unsigned int z0, - const bool normalize_colors=false) const { - float m = 0, M = 0, delta = 1; - if (normalize_colors) { m = (float)min_max(M); delta = 255/(m==M?1:M-m); } - const unsigned int - _x0 = (x0>=_width)?_width - 1:x0, - _y0 = (y0>=_height)?_height - 1:y0, - _z0 = (z0>=_depth)?_depth - 1:z0; - CImg img_xy, img_xz, img_yz; - if (normalize_colors) { - ((get_crop(0,0,_z0,0,_width - 1,_height - 1,_z0,_spectrum - 1)-=m)*=delta).move_to(img_xy); - ((get_crop(0,_y0,0,0,_width - 1,_y0,_depth - 1,_spectrum - 1)-=m)*=delta).resize(_width,_depth,1,-100,-1). - move_to(img_xz); - ((get_crop(_x0,0,0,0,_x0,_height - 1,_depth - 1,_spectrum - 1)-=m)*=delta).resize(_height,_depth,1,-100,-1). - move_to(img_yz); - } else { - get_crop(0,0,_z0,0,_width - 1,_height - 1,_z0,_spectrum - 1).move_to(img_xy); - get_crop(0,_y0,0,0,_width - 1,_y0,_depth - 1,_spectrum - 1).resize(_width,_depth,1,-100,-1).move_to(img_xz); - get_crop(_x0,0,0,0,_x0,_height - 1,_depth - 1,_spectrum - 1).resize(_height,_depth,1,-100,-1).move_to(img_yz); - } - CImg points(12,3,1,1, - 0,_width - 1,_width - 1,0, 0,_width - 1,_width - 1,0, _x0,_x0,_x0,_x0, - 0,0,_height - 1,_height - 1, _y0,_y0,_y0,_y0, 0,_height - 1,_height - 1,0, - _z0,_z0,_z0,_z0, 0,0,_depth - 1,_depth - 1, 0,0,_depth - 1,_depth - 1); - primitives.assign(); - CImg::vector(0,1,2,3,0,0,img_xy._width - 1,0,img_xy._width - 1,img_xy._height - 1,0,img_xy._height - 1). - move_to(primitives); - CImg::vector(4,5,6,7,0,0,img_xz._width - 1,0,img_xz._width - 1,img_xz._height - 1,0,img_xz._height - 1). - move_to(primitives); - CImg::vector(8,9,10,11,0,0,img_yz._width - 1,0,img_yz._width - 1,img_yz._height - 1,0,img_yz._height - 1). - move_to(primitives); - colors.assign(); - img_xy.move_to(colors); - img_xz.move_to(colors); - img_yz.move_to(colors); - return points; - } - - //! Generate a isoline of the image instance as a 3d object. - /** - \param[out] primitives The returned list of the 3d object primitives - (template type \e tf should be at least \e unsigned \e int). - \param isovalue The returned list of the 3d object colors. - \param size_x The number of subdivisions along the X-axis. - \param size_y The number of subdisivions along the Y-axis. - \return The N vertices (xi,yi,zi) of the 3d object as a Nx3 CImg image (0<=i<=N - 1). - \par Example - \code - const CImg img("reference.jpg"); - CImgList faces3d; - const CImg points3d = img.get_isoline3d(faces3d,100); - CImg().display_object3d("Isoline3d",points3d,faces3d,colors3d); - \endcode - \image html ref_isoline3d.jpg - **/ - template - CImg get_isoline3d(CImgList& primitives, const float isovalue, - const int size_x=-100, const int size_y=-100) const { - if (_spectrum>1) - throw CImgInstanceException(_cimg_instance - "get_isoline3d(): Instance is not a scalar image.", - cimg_instance); - if (_depth>1) - throw CImgInstanceException(_cimg_instance - "get_isoline3d(): Instance is not a 2d image.", - cimg_instance); - primitives.assign(); - if (is_empty()) return *this; - CImg vertices; - if ((size_x==-100 && size_y==-100) || (size_x==width() && size_y==height())) { - const _functor2d_int func(*this); - vertices = isoline3d(primitives,func,isovalue,0,0,width() - 1.0f,height() - 1.0f,width(),height()); - } else { - const _functor2d_float func(*this); - vertices = isoline3d(primitives,func,isovalue,0,0,width() - 1.0f,height() - 1.0f,size_x,size_y); - } - return vertices; - } - - //! Generate an isosurface of the image instance as a 3d object. - /** - \param[out] primitives The returned list of the 3d object primitives - (template type \e tf should be at least \e unsigned \e int). - \param isovalue The returned list of the 3d object colors. - \param size_x Number of subdivisions along the X-axis. - \param size_y Number of subdisivions along the Y-axis. - \param size_z Number of subdisivions along the Z-axis. - \return The N vertices (xi,yi,zi) of the 3d object as a Nx3 CImg image (0<=i<=N - 1). - \par Example - \code - const CImg img = CImg("reference.jpg").resize(-100,-100,20); - CImgList faces3d; - const CImg points3d = img.get_isosurface3d(faces3d,100); - CImg().display_object3d("Isosurface3d",points3d,faces3d,colors3d); - \endcode - \image html ref_isosurface3d.jpg - **/ - template - CImg get_isosurface3d(CImgList& primitives, const float isovalue, - const int size_x=-100, const int size_y=-100, const int size_z=-100) const { - if (_spectrum>1) - throw CImgInstanceException(_cimg_instance - "get_isosurface3d(): Instance is not a scalar image.", - cimg_instance); - primitives.assign(); - if (is_empty()) return *this; - CImg vertices; - if ((size_x==-100 && size_y==-100 && size_z==-100) || (size_x==width() && size_y==height() && size_z==depth())) { - const _functor3d_int func(*this); - vertices = isosurface3d(primitives,func,isovalue,0,0,0,width() - 1.0f,height() - 1.0f,depth() - 1.0f, - width(),height(),depth()); - } else { - const _functor3d_float func(*this); - vertices = isosurface3d(primitives,func,isovalue,0,0,0,width() - 1.0f,height() - 1.0f,depth() - 1.0f, - size_x,size_y,size_z); - } - return vertices; - } - - //! Compute 3d elevation of a function as a 3d object. - /** - \param[out] primitives Primitives data of the resulting 3d object. - \param func Elevation function. Is of type float (*func)(const float x,const float y). - \param x0 X-coordinate of the starting point. - \param y0 Y-coordinate of the starting point. - \param x1 X-coordinate of the ending point. - \param y1 Y-coordinate of the ending point. - \param size_x Resolution of the function along the X-axis. - \param size_y Resolution of the function along the Y-axis. - **/ - template - static CImg elevation3d(CImgList& primitives, const tfunc& func, - const float x0, const float y0, const float x1, const float y1, - const int size_x=256, const int size_y=256) { - const float - nx0 = x0=0?size_x:(nx1-nx0)*-size_x/100), - nsize_x = _nsize_x?_nsize_x:1, nsize_x1 = nsize_x - 1, - _nsize_y = (unsigned int)(size_y>=0?size_y:(ny1-ny0)*-size_y/100), - nsize_y = _nsize_y?_nsize_y:1, nsize_y1 = nsize_y - 1; - if (nsize_x<2 || nsize_y<2) - throw CImgArgumentException("CImg<%s>::elevation3d(): Invalid specified size (%d,%d).", - pixel_type(), - nsize_x,nsize_y); - - CImg vertices(nsize_x*nsize_y,3); - floatT *ptr_x = vertices.data(0,0), *ptr_y = vertices.data(0,1), *ptr_z = vertices.data(0,2); - for (unsigned int y = 0; y - static CImg elevation3d(CImgList& primitives, const char *const expression, - const float x0, const float y0, const float x1, const float y1, - const int size_x=256, const int size_y=256) { - const _functor2d_expr func(expression); - return elevation3d(primitives,func,x0,y0,x1,y1,size_x,size_y); - } - - //! Compute 0-isolines of a function, as a 3d object. - /** - \param[out] primitives Primitives data of the resulting 3d object. - \param func Elevation function. Is of type float (*func)(const float x,const float y). - \param isovalue Isovalue to extract from function. - \param x0 X-coordinate of the starting point. - \param y0 Y-coordinate of the starting point. - \param x1 X-coordinate of the ending point. - \param y1 Y-coordinate of the ending point. - \param size_x Resolution of the function along the X-axis. - \param size_y Resolution of the function along the Y-axis. - \note Use the marching squares algorithm for extracting the isolines. - **/ - template - static CImg isoline3d(CImgList& primitives, const tfunc& func, const float isovalue, - const float x0, const float y0, const float x1, const float y1, - const int size_x=256, const int size_y=256) { - static const unsigned int edges[16] = { 0x0, 0x9, 0x3, 0xa, 0x6, 0xf, 0x5, 0xc, 0xc, - 0x5, 0xf, 0x6, 0xa, 0x3, 0x9, 0x0 }; - static const int segments[16][4] = { { -1,-1,-1,-1 }, { 0,3,-1,-1 }, { 0,1,-1,-1 }, { 1,3,-1,-1 }, - { 1,2,-1,-1 }, { 0,1,2,3 }, { 0,2,-1,-1 }, { 2,3,-1,-1 }, - { 2,3,-1,-1 }, { 0,2,-1,-1}, { 0,3,1,2 }, { 1,2,-1,-1 }, - { 1,3,-1,-1 }, { 0,1,-1,-1}, { 0,3,-1,-1}, { -1,-1,-1,-1 } }; - const unsigned int - _nx = (unsigned int)(size_x>=0?size_x:cimg::round((x1-x0)*-size_x/100 + 1)), - _ny = (unsigned int)(size_y>=0?size_y:cimg::round((y1-y0)*-size_y/100 + 1)), - nx = _nx?_nx:1, - ny = _ny?_ny:1, - nxm1 = nx - 1, - nym1 = ny - 1; - primitives.assign(); - if (!nxm1 || !nym1) return CImg(); - const float dx = (x1 - x0)/nxm1, dy = (y1 - y0)/nym1; - CImgList vertices; - CImg indices1(nx,1,1,2,-1), indices2(nx,1,1,2); - CImg values1(nx), values2(nx); - float X = x0, Y = y0, nX = X + dx, nY = Y + dy; - - // Fill first line with values - cimg_forX(values1,x) { values1(x) = (float)func(X,Y); X+=dx; } - - // Run the marching squares algorithm - for (unsigned int yi = 0, nyi = 1; yi::vector(Xi,Y,0).move_to(vertices); - } - if ((edge&2) && indices1(nxi,1)<0) { - const float Yi = Y + (isovalue-val1)*dy/(val2-val1); - indices1(nxi,1) = vertices.width(); - CImg::vector(nX,Yi,0).move_to(vertices); - } - if ((edge&4) && indices2(xi,0)<0) { - const float Xi = X + (isovalue-val3)*dx/(val2-val3); - indices2(xi,0) = vertices.width(); - CImg::vector(Xi,nY,0).move_to(vertices); - } - if ((edge&8) && indices1(xi,1)<0) { - const float Yi = Y + (isovalue-val0)*dy/(val3-val0); - indices1(xi,1) = vertices.width(); - CImg::vector(X,Yi,0).move_to(vertices); - } - - // Create segments - for (const int *segment = segments[configuration]; *segment!=-1; ) { - const unsigned int p0 = (unsigned int)*(segment++), p1 = (unsigned int)*(segment++); - const tf - i0 = (tf)(_isoline3d_indice(p0,indices1,indices2,xi,nxi)), - i1 = (tf)(_isoline3d_indice(p1,indices1,indices2,xi,nxi)); - CImg::vector(i0,i1).move_to(primitives); - } - } - } - values1.swap(values2); - indices1.swap(indices2); - } - return vertices>'x'; - } - - //! Compute isolines of a function, as a 3d object \overloading. - template - static CImg isoline3d(CImgList& primitives, const char *const expression, const float isovalue, - const float x0, const float y0, const float x1, const float y1, - const int size_x=256, const int size_y=256) { - const _functor2d_expr func(expression); - return isoline3d(primitives,func,isovalue,x0,y0,x1,y1,size_x,size_y); - } - - template - static int _isoline3d_indice(const unsigned int edge, const CImg& indices1, const CImg& indices2, - const unsigned int x, const unsigned int nx) { - switch (edge) { - case 0 : return (int)indices1(x,0); - case 1 : return (int)indices1(nx,1); - case 2 : return (int)indices2(x,0); - case 3 : return (int)indices1(x,1); - } - return 0; - } - - //! Compute isosurface of a function, as a 3d object. - /** - \param[out] primitives Primitives data of the resulting 3d object. - \param func Implicit function. Is of type float (*func)(const float x, const float y, const float z). - \param isovalue Isovalue to extract. - \param x0 X-coordinate of the starting point. - \param y0 Y-coordinate of the starting point. - \param z0 Z-coordinate of the starting point. - \param x1 X-coordinate of the ending point. - \param y1 Y-coordinate of the ending point. - \param z1 Z-coordinate of the ending point. - \param size_x Resolution of the elevation function along the X-axis. - \param size_y Resolution of the elevation function along the Y-axis. - \param size_z Resolution of the elevation function along the Z-axis. - \note Use the marching cubes algorithm for extracting the isosurface. - **/ - template - static CImg isosurface3d(CImgList& primitives, const tfunc& func, const float isovalue, - const float x0, const float y0, const float z0, - const float x1, const float y1, const float z1, - const int size_x=32, const int size_y=32, const int size_z=32) { - static const unsigned int edges[256] = { - 0x000, 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c, 0x80c, 0x905, 0xa0f, 0xb06, 0xc0a, 0xd03, 0xe09, 0xf00, - 0x190, 0x99 , 0x393, 0x29a, 0x596, 0x49f, 0x795, 0x69c, 0x99c, 0x895, 0xb9f, 0xa96, 0xd9a, 0xc93, 0xf99, 0xe90, - 0x230, 0x339, 0x33 , 0x13a, 0x636, 0x73f, 0x435, 0x53c, 0xa3c, 0xb35, 0x83f, 0x936, 0xe3a, 0xf33, 0xc39, 0xd30, - 0x3a0, 0x2a9, 0x1a3, 0xaa , 0x7a6, 0x6af, 0x5a5, 0x4ac, 0xbac, 0xaa5, 0x9af, 0x8a6, 0xfaa, 0xea3, 0xda9, 0xca0, - 0x460, 0x569, 0x663, 0x76a, 0x66 , 0x16f, 0x265, 0x36c, 0xc6c, 0xd65, 0xe6f, 0xf66, 0x86a, 0x963, 0xa69, 0xb60, - 0x5f0, 0x4f9, 0x7f3, 0x6fa, 0x1f6, 0xff , 0x3f5, 0x2fc, 0xdfc, 0xcf5, 0xfff, 0xef6, 0x9fa, 0x8f3, 0xbf9, 0xaf0, - 0x650, 0x759, 0x453, 0x55a, 0x256, 0x35f, 0x55 , 0x15c, 0xe5c, 0xf55, 0xc5f, 0xd56, 0xa5a, 0xb53, 0x859, 0x950, - 0x7c0, 0x6c9, 0x5c3, 0x4ca, 0x3c6, 0x2cf, 0x1c5, 0xcc , 0xfcc, 0xec5, 0xdcf, 0xcc6, 0xbca, 0xac3, 0x9c9, 0x8c0, - 0x8c0, 0x9c9, 0xac3, 0xbca, 0xcc6, 0xdcf, 0xec5, 0xfcc, 0xcc , 0x1c5, 0x2cf, 0x3c6, 0x4ca, 0x5c3, 0x6c9, 0x7c0, - 0x950, 0x859, 0xb53, 0xa5a, 0xd56, 0xc5f, 0xf55, 0xe5c, 0x15c, 0x55 , 0x35f, 0x256, 0x55a, 0x453, 0x759, 0x650, - 0xaf0, 0xbf9, 0x8f3, 0x9fa, 0xef6, 0xfff, 0xcf5, 0xdfc, 0x2fc, 0x3f5, 0xff , 0x1f6, 0x6fa, 0x7f3, 0x4f9, 0x5f0, - 0xb60, 0xa69, 0x963, 0x86a, 0xf66, 0xe6f, 0xd65, 0xc6c, 0x36c, 0x265, 0x16f, 0x66 , 0x76a, 0x663, 0x569, 0x460, - 0xca0, 0xda9, 0xea3, 0xfaa, 0x8a6, 0x9af, 0xaa5, 0xbac, 0x4ac, 0x5a5, 0x6af, 0x7a6, 0xaa , 0x1a3, 0x2a9, 0x3a0, - 0xd30, 0xc39, 0xf33, 0xe3a, 0x936, 0x83f, 0xb35, 0xa3c, 0x53c, 0x435, 0x73f, 0x636, 0x13a, 0x33 , 0x339, 0x230, - 0xe90, 0xf99, 0xc93, 0xd9a, 0xa96, 0xb9f, 0x895, 0x99c, 0x69c, 0x795, 0x49f, 0x596, 0x29a, 0x393, 0x99 , 0x190, - 0xf00, 0xe09, 0xd03, 0xc0a, 0xb06, 0xa0f, 0x905, 0x80c, 0x70c, 0x605, 0x50f, 0x406, 0x30a, 0x203, 0x109, 0x000 - }; - - static const int triangles[256][16] = { - { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 1, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 8, 3, 9, 8, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 8, 3, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 2, 10, 0, 2, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 2, 8, 3, 2, 10, 8, 10, 9, 8, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 11, 2, 8, 11, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 9, 0, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 11, 2, 1, 9, 11, 9, 8, 11, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 10, 1, 11, 10, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 10, 1, 0, 8, 10, 8, 11, 10, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 9, 0, 3, 11, 9, 11, 10, 9, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 3, 0, 7, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 1, 9, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 1, 9, 4, 7, 1, 7, 3, 1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 2, 10, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 4, 7, 3, 0, 4, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 2, 10, 9, 0, 2, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1 }, - { 2, 10, 9, 2, 9, 7, 2, 7, 3, 7, 9, 4, -1, -1, -1, -1 }, - { 8, 4, 7, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 11, 4, 7, 11, 2, 4, 2, 0, 4, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 0, 1, 8, 4, 7, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 7, 11, 9, 4, 11, 9, 11, 2, 9, 2, 1, -1, -1, -1, -1 }, - { 3, 10, 1, 3, 11, 10, 7, 8, 4, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 11, 10, 1, 4, 11, 1, 0, 4, 7, 11, 4, -1, -1, -1, -1 }, - { 4, 7, 8, 9, 0, 11, 9, 11, 10, 11, 0, 3, -1, -1, -1, -1 }, - { 4, 7, 11, 4, 11, 9, 9, 11, 10, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 5, 4, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 5, 4, 1, 5, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 8, 5, 4, 8, 3, 5, 3, 1, 5, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 2, 10, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 0, 8, 1, 2, 10, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1 }, - { 5, 2, 10, 5, 4, 2, 4, 0, 2, -1, -1, -1, -1, -1, -1, -1 }, - { 2, 10, 5, 3, 2, 5, 3, 5, 4, 3, 4, 8, -1, -1, -1, -1 }, - { 9, 5, 4, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 11, 2, 0, 8, 11, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 5, 4, 0, 1, 5, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1 }, - { 2, 1, 5, 2, 5, 8, 2, 8, 11, 4, 8, 5, -1, -1, -1, -1 }, - { 10, 3, 11, 10, 1, 3, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 9, 5, 0, 8, 1, 8, 10, 1, 8, 11, 10, -1, -1, -1, -1 }, - { 5, 4, 0, 5, 0, 11, 5, 11, 10, 11, 0, 3, -1, -1, -1, -1 }, - { 5, 4, 8, 5, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 7, 8, 5, 7, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 3, 0, 9, 5, 3, 5, 7, 3, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 7, 8, 0, 1, 7, 1, 5, 7, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 5, 3, 3, 5, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 7, 8, 9, 5, 7, 10, 1, 2, -1, -1, -1, -1, -1, -1, -1 }, - { 10, 1, 2, 9, 5, 0, 5, 3, 0, 5, 7, 3, -1, -1, -1, -1 }, - { 8, 0, 2, 8, 2, 5, 8, 5, 7, 10, 5, 2, -1, -1, -1, -1 }, - { 2, 10, 5, 2, 5, 3, 3, 5, 7, -1, -1, -1, -1, -1, -1, -1 }, - { 7, 9, 5, 7, 8, 9, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 5, 7, 9, 7, 2, 9, 2, 0, 2, 7, 11, -1, -1, -1, -1 }, - { 2, 3, 11, 0, 1, 8, 1, 7, 8, 1, 5, 7, -1, -1, -1, -1 }, - { 11, 2, 1, 11, 1, 7, 7, 1, 5, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 5, 8, 8, 5, 7, 10, 1, 3, 10, 3, 11, -1, -1, -1, -1 }, - { 5, 7, 0, 5, 0, 9, 7, 11, 0, 1, 0, 10, 11, 10, 0, -1 }, - { 11, 10, 0, 11, 0, 3, 10, 5, 0, 8, 0, 7, 5, 7, 0, -1 }, - { 11, 10, 5, 7, 11, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 8, 3, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 0, 1, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 8, 3, 1, 9, 8, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 6, 5, 2, 6, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 6, 5, 1, 2, 6, 3, 0, 8, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 6, 5, 9, 0, 6, 0, 2, 6, -1, -1, -1, -1, -1, -1, -1 }, - { 5, 9, 8, 5, 8, 2, 5, 2, 6, 3, 2, 8, -1, -1, -1, -1 }, - { 2, 3, 11, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 11, 0, 8, 11, 2, 0, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 1, 9, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1 }, - { 5, 10, 6, 1, 9, 2, 9, 11, 2, 9, 8, 11, -1, -1, -1, -1 }, - { 6, 3, 11, 6, 5, 3, 5, 1, 3, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 8, 11, 0, 11, 5, 0, 5, 1, 5, 11, 6, -1, -1, -1, -1 }, - { 3, 11, 6, 0, 3, 6, 0, 6, 5, 0, 5, 9, -1, -1, -1, -1 }, - { 6, 5, 9, 6, 9, 11, 11, 9, 8, -1, -1, -1, -1, -1, -1, -1 }, - { 5, 10, 6, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 3, 0, 4, 7, 3, 6, 5, 10, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 9, 0, 5, 10, 6, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1 }, - { 10, 6, 5, 1, 9, 7, 1, 7, 3, 7, 9, 4, -1, -1, -1, -1 }, - { 6, 1, 2, 6, 5, 1, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 2, 5, 5, 2, 6, 3, 0, 4, 3, 4, 7, -1, -1, -1, -1 }, - { 8, 4, 7, 9, 0, 5, 0, 6, 5, 0, 2, 6, -1, -1, -1, -1 }, - { 7, 3, 9, 7, 9, 4, 3, 2, 9, 5, 9, 6, 2, 6, 9, -1 }, - { 3, 11, 2, 7, 8, 4, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1 }, - { 5, 10, 6, 4, 7, 2, 4, 2, 0, 2, 7, 11, -1, -1, -1, -1 }, - { 0, 1, 9, 4, 7, 8, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1 }, - { 9, 2, 1, 9, 11, 2, 9, 4, 11, 7, 11, 4, 5, 10, 6, -1 }, - { 8, 4, 7, 3, 11, 5, 3, 5, 1, 5, 11, 6, -1, -1, -1, -1 }, - { 5, 1, 11, 5, 11, 6, 1, 0, 11, 7, 11, 4, 0, 4, 11, -1 }, - { 0, 5, 9, 0, 6, 5, 0, 3, 6, 11, 6, 3, 8, 4, 7, -1 }, - { 6, 5, 9, 6, 9, 11, 4, 7, 9, 7, 11, 9, -1, -1, -1, -1 }, - { 10, 4, 9, 6, 4, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 10, 6, 4, 9, 10, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1 }, - { 10, 0, 1, 10, 6, 0, 6, 4, 0, -1, -1, -1, -1, -1, -1, -1 }, - { 8, 3, 1, 8, 1, 6, 8, 6, 4, 6, 1, 10, -1, -1, -1, -1 }, - { 1, 4, 9, 1, 2, 4, 2, 6, 4, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 0, 8, 1, 2, 9, 2, 4, 9, 2, 6, 4, -1, -1, -1, -1 }, - { 0, 2, 4, 4, 2, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 8, 3, 2, 8, 2, 4, 4, 2, 6, -1, -1, -1, -1, -1, -1, -1 }, - { 10, 4, 9, 10, 6, 4, 11, 2, 3, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 8, 2, 2, 8, 11, 4, 9, 10, 4, 10, 6, -1, -1, -1, -1 }, - { 3, 11, 2, 0, 1, 6, 0, 6, 4, 6, 1, 10, -1, -1, -1, -1 }, - { 6, 4, 1, 6, 1, 10, 4, 8, 1, 2, 1, 11, 8, 11, 1, -1 }, - { 9, 6, 4, 9, 3, 6, 9, 1, 3, 11, 6, 3, -1, -1, -1, -1 }, - { 8, 11, 1, 8, 1, 0, 11, 6, 1, 9, 1, 4, 6, 4, 1, -1 }, - { 3, 11, 6, 3, 6, 0, 0, 6, 4, -1, -1, -1, -1, -1, -1, -1 }, - { 6, 4, 8, 11, 6, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 7, 10, 6, 7, 8, 10, 8, 9, 10, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 7, 3, 0, 10, 7, 0, 9, 10, 6, 7, 10, -1, -1, -1, -1 }, - { 10, 6, 7, 1, 10, 7, 1, 7, 8, 1, 8, 0, -1, -1, -1, -1 }, - { 10, 6, 7, 10, 7, 1, 1, 7, 3, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 2, 6, 1, 6, 8, 1, 8, 9, 8, 6, 7, -1, -1, -1, -1 }, - { 2, 6, 9, 2, 9, 1, 6, 7, 9, 0, 9, 3, 7, 3, 9, -1 }, - { 7, 8, 0, 7, 0, 6, 6, 0, 2, -1, -1, -1, -1, -1, -1, -1 }, - { 7, 3, 2, 6, 7, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 2, 3, 11, 10, 6, 8, 10, 8, 9, 8, 6, 7, -1, -1, -1, -1 }, - { 2, 0, 7, 2, 7, 11, 0, 9, 7, 6, 7, 10, 9, 10, 7, -1 }, - { 1, 8, 0, 1, 7, 8, 1, 10, 7, 6, 7, 10, 2, 3, 11, -1 }, - { 11, 2, 1, 11, 1, 7, 10, 6, 1, 6, 7, 1, -1, -1, -1, -1 }, - { 8, 9, 6, 8, 6, 7, 9, 1, 6, 11, 6, 3, 1, 3, 6, -1 }, - { 0, 9, 1, 11, 6, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 7, 8, 0, 7, 0, 6, 3, 11, 0, 11, 6, 0, -1, -1, -1, -1 }, - { 7, 11, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 7, 6, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 0, 8, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 1, 9, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 8, 1, 9, 8, 3, 1, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1 }, - { 10, 1, 2, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 2, 10, 3, 0, 8, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1 }, - { 2, 9, 0, 2, 10, 9, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1 }, - { 6, 11, 7, 2, 10, 3, 10, 8, 3, 10, 9, 8, -1, -1, -1, -1 }, - { 7, 2, 3, 6, 2, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 7, 0, 8, 7, 6, 0, 6, 2, 0, -1, -1, -1, -1, -1, -1, -1 }, - { 2, 7, 6, 2, 3, 7, 0, 1, 9, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 6, 2, 1, 8, 6, 1, 9, 8, 8, 7, 6, -1, -1, -1, -1 }, - { 10, 7, 6, 10, 1, 7, 1, 3, 7, -1, -1, -1, -1, -1, -1, -1 }, - { 10, 7, 6, 1, 7, 10, 1, 8, 7, 1, 0, 8, -1, -1, -1, -1 }, - { 0, 3, 7, 0, 7, 10, 0, 10, 9, 6, 10, 7, -1, -1, -1, -1 }, - { 7, 6, 10, 7, 10, 8, 8, 10, 9, -1, -1, -1, -1, -1, -1, -1 }, - { 6, 8, 4, 11, 8, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 6, 11, 3, 0, 6, 0, 4, 6, -1, -1, -1, -1, -1, -1, -1 }, - { 8, 6, 11, 8, 4, 6, 9, 0, 1, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 4, 6, 9, 6, 3, 9, 3, 1, 11, 3, 6, -1, -1, -1, -1 }, - { 6, 8, 4, 6, 11, 8, 2, 10, 1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 2, 10, 3, 0, 11, 0, 6, 11, 0, 4, 6, -1, -1, -1, -1 }, - { 4, 11, 8, 4, 6, 11, 0, 2, 9, 2, 10, 9, -1, -1, -1, -1 }, - { 10, 9, 3, 10, 3, 2, 9, 4, 3, 11, 3, 6, 4, 6, 3, -1 }, - { 8, 2, 3, 8, 4, 2, 4, 6, 2, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 4, 2, 4, 6, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 9, 0, 2, 3, 4, 2, 4, 6, 4, 3, 8, -1, -1, -1, -1 }, - { 1, 9, 4, 1, 4, 2, 2, 4, 6, -1, -1, -1, -1, -1, -1, -1 }, - { 8, 1, 3, 8, 6, 1, 8, 4, 6, 6, 10, 1, -1, -1, -1, -1 }, - { 10, 1, 0, 10, 0, 6, 6, 0, 4, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 6, 3, 4, 3, 8, 6, 10, 3, 0, 3, 9, 10, 9, 3, -1 }, - { 10, 9, 4, 6, 10, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 9, 5, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 8, 3, 4, 9, 5, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1 }, - { 5, 0, 1, 5, 4, 0, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1 }, - { 11, 7, 6, 8, 3, 4, 3, 5, 4, 3, 1, 5, -1, -1, -1, -1 }, - { 9, 5, 4, 10, 1, 2, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1 }, - { 6, 11, 7, 1, 2, 10, 0, 8, 3, 4, 9, 5, -1, -1, -1, -1 }, - { 7, 6, 11, 5, 4, 10, 4, 2, 10, 4, 0, 2, -1, -1, -1, -1 }, - { 3, 4, 8, 3, 5, 4, 3, 2, 5, 10, 5, 2, 11, 7, 6, -1 }, - { 7, 2, 3, 7, 6, 2, 5, 4, 9, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 5, 4, 0, 8, 6, 0, 6, 2, 6, 8, 7, -1, -1, -1, -1 }, - { 3, 6, 2, 3, 7, 6, 1, 5, 0, 5, 4, 0, -1, -1, -1, -1 }, - { 6, 2, 8, 6, 8, 7, 2, 1, 8, 4, 8, 5, 1, 5, 8, -1 }, - { 9, 5, 4, 10, 1, 6, 1, 7, 6, 1, 3, 7, -1, -1, -1, -1 }, - { 1, 6, 10, 1, 7, 6, 1, 0, 7, 8, 7, 0, 9, 5, 4, -1 }, - { 4, 0, 10, 4, 10, 5, 0, 3, 10, 6, 10, 7, 3, 7, 10, -1 }, - { 7, 6, 10, 7, 10, 8, 5, 4, 10, 4, 8, 10, -1, -1, -1, -1 }, - { 6, 9, 5, 6, 11, 9, 11, 8, 9, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 6, 11, 0, 6, 3, 0, 5, 6, 0, 9, 5, -1, -1, -1, -1 }, - { 0, 11, 8, 0, 5, 11, 0, 1, 5, 5, 6, 11, -1, -1, -1, -1 }, - { 6, 11, 3, 6, 3, 5, 5, 3, 1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 2, 10, 9, 5, 11, 9, 11, 8, 11, 5, 6, -1, -1, -1, -1 }, - { 0, 11, 3, 0, 6, 11, 0, 9, 6, 5, 6, 9, 1, 2, 10, -1 }, - { 11, 8, 5, 11, 5, 6, 8, 0, 5, 10, 5, 2, 0, 2, 5, -1 }, - { 6, 11, 3, 6, 3, 5, 2, 10, 3, 10, 5, 3, -1, -1, -1, -1 }, - { 5, 8, 9, 5, 2, 8, 5, 6, 2, 3, 8, 2, -1, -1, -1, -1 }, - { 9, 5, 6, 9, 6, 0, 0, 6, 2, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 5, 8, 1, 8, 0, 5, 6, 8, 3, 8, 2, 6, 2, 8, -1 }, - { 1, 5, 6, 2, 1, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 3, 6, 1, 6, 10, 3, 8, 6, 5, 6, 9, 8, 9, 6, -1 }, - { 10, 1, 0, 10, 0, 6, 9, 5, 0, 5, 6, 0, -1, -1, -1, -1 }, - { 0, 3, 8, 5, 6, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 10, 5, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 11, 5, 10, 7, 5, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 11, 5, 10, 11, 7, 5, 8, 3, 0, -1, -1, -1, -1, -1, -1, -1 }, - { 5, 11, 7, 5, 10, 11, 1, 9, 0, -1, -1, -1, -1, -1, -1, -1 }, - { 10, 7, 5, 10, 11, 7, 9, 8, 1, 8, 3, 1, -1, -1, -1, -1 }, - { 11, 1, 2, 11, 7, 1, 7, 5, 1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 8, 3, 1, 2, 7, 1, 7, 5, 7, 2, 11, -1, -1, -1, -1 }, - { 9, 7, 5, 9, 2, 7, 9, 0, 2, 2, 11, 7, -1, -1, -1, -1 }, - { 7, 5, 2, 7, 2, 11, 5, 9, 2, 3, 2, 8, 9, 8, 2, -1 }, - { 2, 5, 10, 2, 3, 5, 3, 7, 5, -1, -1, -1, -1, -1, -1, -1 }, - { 8, 2, 0, 8, 5, 2, 8, 7, 5, 10, 2, 5, -1, -1, -1, -1 }, - { 9, 0, 1, 5, 10, 3, 5, 3, 7, 3, 10, 2, -1, -1, -1, -1 }, - { 9, 8, 2, 9, 2, 1, 8, 7, 2, 10, 2, 5, 7, 5, 2, -1 }, - { 1, 3, 5, 3, 7, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 8, 7, 0, 7, 1, 1, 7, 5, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 0, 3, 9, 3, 5, 5, 3, 7, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 8, 7, 5, 9, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 5, 8, 4, 5, 10, 8, 10, 11, 8, -1, -1, -1, -1, -1, -1, -1 }, - { 5, 0, 4, 5, 11, 0, 5, 10, 11, 11, 3, 0, -1, -1, -1, -1 }, - { 0, 1, 9, 8, 4, 10, 8, 10, 11, 10, 4, 5, -1, -1, -1, -1 }, - { 10, 11, 4, 10, 4, 5, 11, 3, 4, 9, 4, 1, 3, 1, 4, -1 }, - { 2, 5, 1, 2, 8, 5, 2, 11, 8, 4, 5, 8, -1, -1, -1, -1 }, - { 0, 4, 11, 0, 11, 3, 4, 5, 11, 2, 11, 1, 5, 1, 11, -1 }, - { 0, 2, 5, 0, 5, 9, 2, 11, 5, 4, 5, 8, 11, 8, 5, -1 }, - { 9, 4, 5, 2, 11, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 2, 5, 10, 3, 5, 2, 3, 4, 5, 3, 8, 4, -1, -1, -1, -1 }, - { 5, 10, 2, 5, 2, 4, 4, 2, 0, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 10, 2, 3, 5, 10, 3, 8, 5, 4, 5, 8, 0, 1, 9, -1 }, - { 5, 10, 2, 5, 2, 4, 1, 9, 2, 9, 4, 2, -1, -1, -1, -1 }, - { 8, 4, 5, 8, 5, 3, 3, 5, 1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 4, 5, 1, 0, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 8, 4, 5, 8, 5, 3, 9, 0, 5, 0, 3, 5, -1, -1, -1, -1 }, - { 9, 4, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 11, 7, 4, 9, 11, 9, 10, 11, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 8, 3, 4, 9, 7, 9, 11, 7, 9, 10, 11, -1, -1, -1, -1 }, - { 1, 10, 11, 1, 11, 4, 1, 4, 0, 7, 4, 11, -1, -1, -1, -1 }, - { 3, 1, 4, 3, 4, 8, 1, 10, 4, 7, 4, 11, 10, 11, 4, -1 }, - { 4, 11, 7, 9, 11, 4, 9, 2, 11, 9, 1, 2, -1, -1, -1, -1 }, - { 9, 7, 4, 9, 11, 7, 9, 1, 11, 2, 11, 1, 0, 8, 3, -1 }, - { 11, 7, 4, 11, 4, 2, 2, 4, 0, -1, -1, -1, -1, -1, -1, -1 }, - { 11, 7, 4, 11, 4, 2, 8, 3, 4, 3, 2, 4, -1, -1, -1, -1 }, - { 2, 9, 10, 2, 7, 9, 2, 3, 7, 7, 4, 9, -1, -1, -1, -1 }, - { 9, 10, 7, 9, 7, 4, 10, 2, 7, 8, 7, 0, 2, 0, 7, -1 }, - { 3, 7, 10, 3, 10, 2, 7, 4, 10, 1, 10, 0, 4, 0, 10, -1 }, - { 1, 10, 2, 8, 7, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 9, 1, 4, 1, 7, 7, 1, 3, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 9, 1, 4, 1, 7, 0, 8, 1, 8, 7, 1, -1, -1, -1, -1 }, - { 4, 0, 3, 7, 4, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 4, 8, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 10, 8, 10, 11, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 0, 9, 3, 9, 11, 11, 9, 10, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 1, 10, 0, 10, 8, 8, 10, 11, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 1, 10, 11, 3, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 2, 11, 1, 11, 9, 9, 11, 8, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 0, 9, 3, 9, 11, 1, 2, 9, 2, 11, 9, -1, -1, -1, -1 }, - { 0, 2, 11, 8, 0, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 3, 2, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 2, 3, 8, 2, 8, 10, 10, 8, 9, -1, -1, -1, -1, -1, -1, -1 }, - { 9, 10, 2, 0, 9, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 2, 3, 8, 2, 8, 10, 0, 1, 8, 1, 10, 8, -1, -1, -1, -1 }, - { 1, 10, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 1, 3, 8, 9, 1, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 9, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { 0, 3, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, - { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 } - }; - - const unsigned int - _nx = (unsigned int)(size_x>=0?size_x:cimg::round((x1-x0)*-size_x/100 + 1)), - _ny = (unsigned int)(size_y>=0?size_y:cimg::round((y1-y0)*-size_y/100 + 1)), - _nz = (unsigned int)(size_z>=0?size_z:cimg::round((z1-z0)*-size_z/100 + 1)), - nx = _nx?_nx:1, - ny = _ny?_ny:1, - nz = _nz?_nz:1, - nxm1 = nx - 1, - nym1 = ny - 1, - nzm1 = nz - 1; - primitives.assign(); - if (!nxm1 || !nym1 || !nzm1) return CImg(); - const float dx = (x1 - x0)/nxm1, dy = (y1 - y0)/nym1, dz = (z1 - z0)/nzm1; - CImgList vertices; - CImg indices1(nx,ny,1,3,-1), indices2(indices1); - CImg values1(nx,ny), values2(nx,ny); - float X = 0, Y = 0, Z = 0, nX = 0, nY = 0, nZ = 0; - - // Fill the first plane with function values - Y = y0; - cimg_forY(values1,y) { - X = x0; - cimg_forX(values1,x) { values1(x,y) = (float)func(X,Y,z0); X+=dx; } - Y+=dy; - } - - // Run Marching Cubes algorithm - Z = z0; nZ = Z + dz; - for (unsigned int zi = 0; zi::vector(Xi,Y,Z).move_to(vertices); - } - if ((edge&2) && indices1(nxi,yi,1)<0) { - const float Yi = Y + (isovalue-val1)*dy/(val2-val1); - indices1(nxi,yi,1) = vertices.width(); - CImg::vector(nX,Yi,Z).move_to(vertices); - } - if ((edge&4) && indices1(xi,nyi,0)<0) { - const float Xi = X + (isovalue-val3)*dx/(val2-val3); - indices1(xi,nyi,0) = vertices.width(); - CImg::vector(Xi,nY,Z).move_to(vertices); - } - if ((edge&8) && indices1(xi,yi,1)<0) { - const float Yi = Y + (isovalue-val0)*dy/(val3-val0); - indices1(xi,yi,1) = vertices.width(); - CImg::vector(X,Yi,Z).move_to(vertices); - } - if ((edge&16) && indices2(xi,yi,0)<0) { - const float Xi = X + (isovalue-val4)*dx/(val5-val4); - indices2(xi,yi,0) = vertices.width(); - CImg::vector(Xi,Y,nZ).move_to(vertices); - } - if ((edge&32) && indices2(nxi,yi,1)<0) { - const float Yi = Y + (isovalue-val5)*dy/(val6-val5); - indices2(nxi,yi,1) = vertices.width(); - CImg::vector(nX,Yi,nZ).move_to(vertices); - } - if ((edge&64) && indices2(xi,nyi,0)<0) { - const float Xi = X + (isovalue-val7)*dx/(val6-val7); - indices2(xi,nyi,0) = vertices.width(); - CImg::vector(Xi,nY,nZ).move_to(vertices); - } - if ((edge&128) && indices2(xi,yi,1)<0) { - const float Yi = Y + (isovalue-val4)*dy/(val7-val4); - indices2(xi,yi,1) = vertices.width(); - CImg::vector(X,Yi,nZ).move_to(vertices); - } - if ((edge&256) && indices1(xi,yi,2)<0) { - const float Zi = Z+ (isovalue-val0)*dz/(val4-val0); - indices1(xi,yi,2) = vertices.width(); - CImg::vector(X,Y,Zi).move_to(vertices); - } - if ((edge&512) && indices1(nxi,yi,2)<0) { - const float Zi = Z + (isovalue-val1)*dz/(val5-val1); - indices1(nxi,yi,2) = vertices.width(); - CImg::vector(nX,Y,Zi).move_to(vertices); - } - if ((edge&1024) && indices1(nxi,nyi,2)<0) { - const float Zi = Z + (isovalue-val2)*dz/(val6-val2); - indices1(nxi,nyi,2) = vertices.width(); - CImg::vector(nX,nY,Zi).move_to(vertices); - } - if ((edge&2048) && indices1(xi,nyi,2)<0) { - const float Zi = Z + (isovalue-val3)*dz/(val7-val3); - indices1(xi,nyi,2) = vertices.width(); - CImg::vector(X,nY,Zi).move_to(vertices); - } - - // Create triangles - for (const int *triangle = triangles[configuration]; *triangle!=-1; ) { - const unsigned int - p0 = (unsigned int)*(triangle++), - p1 = (unsigned int)*(triangle++), - p2 = (unsigned int)*(triangle++); - const tf - i0 = (tf)(_isosurface3d_indice(p0,indices1,indices2,xi,yi,nxi,nyi)), - i1 = (tf)(_isosurface3d_indice(p1,indices1,indices2,xi,yi,nxi,nyi)), - i2 = (tf)(_isosurface3d_indice(p2,indices1,indices2,xi,yi,nxi,nyi)); - CImg::vector(i0,i2,i1).move_to(primitives); - } - } - } - } - cimg::swap(values1,values2); - cimg::swap(indices1,indices2); - } - return vertices>'x'; - } - - //! Compute isosurface of a function, as a 3d object \overloading. - template - static CImg isosurface3d(CImgList& primitives, const char *const expression, const float isovalue, - const float x0, const float y0, const float z0, - const float x1, const float y1, const float z1, - const int dx=32, const int dy=32, const int dz=32) { - const _functor3d_expr func(expression); - return isosurface3d(primitives,func,isovalue,x0,y0,z0,x1,y1,z1,dx,dy,dz); - } - - template - static int _isosurface3d_indice(const unsigned int edge, const CImg& indices1, const CImg& indices2, - const unsigned int x, const unsigned int y, - const unsigned int nx, const unsigned int ny) { - switch (edge) { - case 0 : return indices1(x,y,0); - case 1 : return indices1(nx,y,1); - case 2 : return indices1(x,ny,0); - case 3 : return indices1(x,y,1); - case 4 : return indices2(x,y,0); - case 5 : return indices2(nx,y,1); - case 6 : return indices2(x,ny,0); - case 7 : return indices2(x,y,1); - case 8 : return indices1(x,y,2); - case 9 : return indices1(nx,y,2); - case 10 : return indices1(nx,ny,2); - case 11 : return indices1(x,ny,2); - } - return 0; - } - - // Define functors for accessing image values (used in previous functions). - struct _functor2d_int { - const CImg& ref; - _functor2d_int(const CImg& pref):ref(pref) {} - float operator()(const float x, const float y) const { - return (float)ref((int)x,(int)y); - } - }; - - struct _functor2d_float { - const CImg& ref; - _functor2d_float(const CImg& pref):ref(pref) {} - float operator()(const float x, const float y) const { - return (float)ref._linear_atXY(x,y); - } - }; - - struct _functor2d_expr { - _cimg_math_parser *mp; - _functor2d_expr(const char *const expr):mp(0) { - mp = new _cimg_math_parser(expr,0,CImg::const_empty(),0); - } - ~_functor2d_expr() { delete mp; } - float operator()(const float x, const float y) const { - return (float)(*mp)(x,y,0,0); - } - }; - - struct _functor3d_int { - const CImg& ref; - _functor3d_int(const CImg& pref):ref(pref) {} - float operator()(const float x, const float y, const float z) const { - return (float)ref((int)x,(int)y,(int)z); - } - }; - - struct _functor3d_float { - const CImg& ref; - _functor3d_float(const CImg& pref):ref(pref) {} - float operator()(const float x, const float y, const float z) const { - return (float)ref._linear_atXYZ(x,y,z); - } - }; - - struct _functor3d_expr { - _cimg_math_parser *mp; - ~_functor3d_expr() { delete mp; } - _functor3d_expr(const char *const expr):mp(0) { - mp = new _cimg_math_parser(expr,0,CImg::const_empty(),0); - } - float operator()(const float x, const float y, const float z) const { - return (float)(*mp)(x,y,z,0); - } - }; - - struct _functor4d_int { - const CImg& ref; - _functor4d_int(const CImg& pref):ref(pref) {} - float operator()(const float x, const float y, const float z, const unsigned int c) const { - return (float)ref((int)x,(int)y,(int)z,c); - } - }; - - //! Generate a 3d box object. - /** - \param[out] primitives The returned list of the 3d object primitives - (template type \e tf should be at least \e unsigned \e int). - \param size_x The width of the box (dimension along the X-axis). - \param size_y The height of the box (dimension along the Y-axis). - \param size_z The depth of the box (dimension along the Z-axis). - \return The N vertices (xi,yi,zi) of the 3d object as a Nx3 CImg image (0<=i<=N - 1). - \par Example - \code - CImgList faces3d; - const CImg points3d = CImg::box3d(faces3d,10,20,30); - CImg().display_object3d("Box3d",points3d,faces3d); - \endcode - \image html ref_box3d.jpg - **/ - template - static CImg box3d(CImgList& primitives, - const float size_x=200, const float size_y=100, const float size_z=100) { - primitives.assign(6,1,4,1,1, 0,3,2,1, 4,5,6,7, 0,1,5,4, 3,7,6,2, 0,4,7,3, 1,2,6,5); - return CImg(8,3,1,1, - 0.,size_x,size_x, 0., 0.,size_x,size_x, 0., - 0., 0.,size_y,size_y, 0., 0.,size_y,size_y, - 0., 0., 0., 0.,size_z,size_z,size_z,size_z); - } - - //! Generate a 3d cone. - /** - \param[out] primitives The returned list of the 3d object primitives - (template type \e tf should be at least \e unsigned \e int). - \param radius The radius of the cone basis. - \param size_z The cone's height. - \param subdivisions The number of basis angular subdivisions. - \return The N vertices (xi,yi,zi) of the 3d object as a Nx3 CImg image (0<=i<=N - 1). - \par Example - \code - CImgList faces3d; - const CImg points3d = CImg::cone3d(faces3d,50); - CImg().display_object3d("Cone3d",points3d,faces3d); - \endcode - \image html ref_cone3d.jpg - **/ - template - static CImg cone3d(CImgList& primitives, - const float radius=50, const float size_z=100, const unsigned int subdivisions=24) { - primitives.assign(); - if (!subdivisions) return CImg(); - CImgList vertices(2,1,3,1,1, - 0.,0.,size_z, - 0.,0.,0.); - for (float delta = 360.0f/subdivisions, angle = 0; angle<360; angle+=delta) { - const float a = (float)(angle*cimg::PI/180); - CImg::vector((float)(radius*std::cos(a)),(float)(radius*std::sin(a)),0).move_to(vertices); - } - const unsigned int nbr = vertices._width - 2; - for (unsigned int p = 0; p::vector(1,next,curr).move_to(primitives); - CImg::vector(0,curr,next).move_to(primitives); - } - return vertices>'x'; - } - - //! Generate a 3d cylinder. - /** - \param[out] primitives The returned list of the 3d object primitives - (template type \e tf should be at least \e unsigned \e int). - \param radius The radius of the cylinder basis. - \param size_z The cylinder's height. - \param subdivisions The number of basis angular subdivisions. - \return The N vertices (xi,yi,zi) of the 3d object as a Nx3 CImg image (0<=i<=N - 1). - \par Example - \code - CImgList faces3d; - const CImg points3d = CImg::cylinder3d(faces3d,50); - CImg().display_object3d("Cylinder3d",points3d,faces3d); - \endcode - \image html ref_cylinder3d.jpg - **/ - template - static CImg cylinder3d(CImgList& primitives, - const float radius=50, const float size_z=100, const unsigned int subdivisions=24) { - primitives.assign(); - if (!subdivisions) return CImg(); - CImgList vertices(2,1,3,1,1, - 0.,0.,0., - 0.,0.,size_z); - for (float delta = 360.0f/subdivisions, angle = 0; angle<360; angle+=delta) { - const float a = (float)(angle*cimg::PI/180); - CImg::vector((float)(radius*std::cos(a)),(float)(radius*std::sin(a)),0.0f).move_to(vertices); - CImg::vector((float)(radius*std::cos(a)),(float)(radius*std::sin(a)),size_z).move_to(vertices); - } - const unsigned int nbr = (vertices._width - 2)/2; - for (unsigned int p = 0; p::vector(0,next,curr).move_to(primitives); - CImg::vector(1,curr + 1,next + 1).move_to(primitives); - CImg::vector(curr,next,next + 1,curr + 1).move_to(primitives); - } - return vertices>'x'; - } - - //! Generate a 3d torus. - /** - \param[out] primitives The returned list of the 3d object primitives - (template type \e tf should be at least \e unsigned \e int). - \param radius1 The large radius. - \param radius2 The small radius. - \param subdivisions1 The number of angular subdivisions for the large radius. - \param subdivisions2 The number of angular subdivisions for the small radius. - \return The N vertices (xi,yi,zi) of the 3d object as a Nx3 CImg image (0<=i<=N - 1). - \par Example - \code - CImgList faces3d; - const CImg points3d = CImg::torus3d(faces3d,20,4); - CImg().display_object3d("Torus3d",points3d,faces3d); - \endcode - \image html ref_torus3d.jpg - **/ - template - static CImg torus3d(CImgList& primitives, - const float radius1=100, const float radius2=30, - const unsigned int subdivisions1=24, const unsigned int subdivisions2=12) { - primitives.assign(); - if (!subdivisions1 || !subdivisions2) return CImg(); - CImgList vertices; - for (unsigned int v = 0; v::vector(x,y,z).move_to(vertices); - } - } - for (unsigned int vv = 0; vv::vector(svv + nu,svv + uu,snv + uu,snv + nu).move_to(primitives); - } - } - return vertices>'x'; - } - - //! Generate a 3d XY-plane. - /** - \param[out] primitives The returned list of the 3d object primitives - (template type \e tf should be at least \e unsigned \e int). - \param size_x The width of the plane (dimension along the X-axis). - \param size_y The height of the plane (dimensions along the Y-axis). - \param subdivisions_x The number of planar subdivisions along the X-axis. - \param subdivisions_y The number of planar subdivisions along the Y-axis. - \return The N vertices (xi,yi,zi) of the 3d object as a Nx3 CImg image (0<=i<=N - 1). - \par Example - \code - CImgList faces3d; - const CImg points3d = CImg::plane3d(faces3d,100,50); - CImg().display_object3d("Plane3d",points3d,faces3d); - \endcode - \image html ref_plane3d.jpg - **/ - template - static CImg plane3d(CImgList& primitives, - const float size_x=100, const float size_y=100, - const unsigned int subdivisions_x=10, const unsigned int subdivisions_y=10) { - primitives.assign(); - if (!subdivisions_x || !subdivisions_y) return CImg(); - CImgList vertices; - const unsigned int w = subdivisions_x + 1, h = subdivisions_y + 1; - const float fx = (float)size_x/w, fy = (float)size_y/h; - for (unsigned int y = 0; y::vector(fx*x,fy*y,0).move_to(vertices); - for (unsigned int y = 0; y::vector(off1,off4,off3,off2).move_to(primitives); - } - return vertices>'x'; - } - - //! Generate a 3d sphere. - /** - \param[out] primitives The returned list of the 3d object primitives - (template type \e tf should be at least \e unsigned \e int). - \param radius The radius of the sphere (dimension along the X-axis). - \param subdivisions The number of recursive subdivisions from an initial icosahedron. - \return The N vertices (xi,yi,zi) of the 3d object as a Nx3 CImg image (0<=i<=N - 1). - \par Example - \code - CImgList faces3d; - const CImg points3d = CImg::sphere3d(faces3d,100,4); - CImg().display_object3d("Sphere3d",points3d,faces3d); - \endcode - \image html ref_sphere3d.jpg - **/ - template - static CImg sphere3d(CImgList& primitives, - const float radius=50, const unsigned int subdivisions=3) { - - // Create initial icosahedron - primitives.assign(); - const double tmp = (1 + std::sqrt(5.0f))/2, a = 1.0/std::sqrt(1 + tmp*tmp), b = tmp*a; - CImgList vertices(12,1,3,1,1, b,a,0.0, -b,a,0.0, -b,-a,0.0, b,-a,0.0, a,0.0,b, a,0.0,-b, - -a,0.0,-b, -a,0.0,b, 0.0,b,a, 0.0,-b,a, 0.0,-b,-a, 0.0,b,-a); - primitives.assign(20,1,3,1,1, 4,8,7, 4,7,9, 5,6,11, 5,10,6, 0,4,3, 0,3,5, 2,7,1, 2,1,6, - 8,0,11, 8,11,1, 9,10,3, 9,2,10, 8,4,0, 11,0,5, 4,9,3, - 5,3,10, 7,8,1, 6,1,11, 7,2,9, 6,10,2); - // edge - length/2 - float he = (float)a; - - // Recurse subdivisions - for (unsigned int i = 0; i::vector(nx0,ny0,nz0).move_to(vertices); i0 = vertices.width() - 1; } - if (i1<0) { CImg::vector(nx1,ny1,nz1).move_to(vertices); i1 = vertices.width() - 1; } - if (i2<0) { CImg::vector(nx2,ny2,nz2).move_to(vertices); i2 = vertices.width() - 1; } - primitives.remove(0); - CImg::vector(p0,i0,i1).move_to(primitives); - CImg::vector((tf)i0,(tf)p1,(tf)i2).move_to(primitives); - CImg::vector((tf)i1,(tf)i2,(tf)p2).move_to(primitives); - CImg::vector((tf)i1,(tf)i0,(tf)i2).move_to(primitives); - } - } - return (vertices>'x')*=radius; - } - - //! Generate a 3d ellipsoid. - /** - \param[out] primitives The returned list of the 3d object primitives - (template type \e tf should be at least \e unsigned \e int). - \param tensor The tensor which gives the shape and size of the ellipsoid. - \param subdivisions The number of recursive subdivisions from an initial stretched icosahedron. - \return The N vertices (xi,yi,zi) of the 3d object as a Nx3 CImg image (0<=i<=N - 1). - \par Example - \code - CImgList faces3d; - const CImg tensor = CImg::diagonal(10,7,3), - points3d = CImg::ellipsoid3d(faces3d,tensor,4); - CImg().display_object3d("Ellipsoid3d",points3d,faces3d); - \endcode - \image html ref_ellipsoid3d.jpg - **/ - template - static CImg ellipsoid3d(CImgList& primitives, - const CImg& tensor, const unsigned int subdivisions=3) { - primitives.assign(); - if (!subdivisions) return CImg(); - CImg S, V; - tensor.symmetric_eigen(S,V); - const float orient = - (V(0,1)*V(1,2) - V(0,2)*V(1,1))*V(2,0) + - (V(0,2)*V(1,0) - V(0,0)*V(1,2))*V(2,1) + - (V(0,0)*V(1,1) - V(0,1)*V(1,0))*V(2,2); - if (orient<0) { V(2,0) = -V(2,0); V(2,1) = -V(2,1); V(2,2) = -V(2,2); } - const float l0 = S[0], l1 = S[1], l2 = S[2]; - CImg vertices = sphere3d(primitives,1.0,subdivisions); - vertices.get_shared_row(0)*=l0; - vertices.get_shared_row(1)*=l1; - vertices.get_shared_row(2)*=l2; - return V*vertices; - } - - //! Convert 3d object into a CImg3d representation. - /** - \param primitives Primitives data of the 3d object. - \param colors Colors data of the 3d object. - \param opacities Opacities data of the 3d object. - \param full_check Tells if full checking of the 3d object must be performed. - **/ - template - CImg& object3dtoCImg3d(const CImgList& primitives, - const CImgList& colors, - const to& opacities, - const bool full_check=true) { - return get_object3dtoCImg3d(primitives,colors,opacities,full_check).move_to(*this); - } - - //! Convert 3d object into a CImg3d representation \overloading. - template - CImg& object3dtoCImg3d(const CImgList& primitives, - const CImgList& colors, - const bool full_check=true) { - return get_object3dtoCImg3d(primitives,colors,full_check).move_to(*this); - } - - //! Convert 3d object into a CImg3d representation \overloading. - template - CImg& object3dtoCImg3d(const CImgList& primitives, - const bool full_check=true) { - return get_object3dtoCImg3d(primitives,full_check).move_to(*this); - } - - //! Convert 3d object into a CImg3d representation \overloading. - CImg& object3dtoCImg3d(const bool full_check=true) { - return get_object3dtoCImg3d(full_check).move_to(*this); - } - - //! Convert 3d object into a CImg3d representation \newinstance. - template - CImg get_object3dtoCImg3d(const CImgList& primitives, - const CImgList& colors, - const to& opacities, - const bool full_check=true) const { - CImg error_message(1024); - if (!is_object3d(primitives,colors,opacities,full_check,error_message)) - throw CImgInstanceException(_cimg_instance - "object3dtoCImg3d(): Invalid specified 3d object (%u,%u) (%s).", - cimg_instance,_width,primitives._width,error_message.data()); - CImg res(1,_size_object3dtoCImg3d(primitives,colors,opacities)); - float *ptrd = res._data; - - // Put magick number. - *(ptrd++) = 'C' + 0.5f; *(ptrd++) = 'I' + 0.5f; *(ptrd++) = 'm' + 0.5f; - *(ptrd++) = 'g' + 0.5f; *(ptrd++) = '3' + 0.5f; *(ptrd++) = 'd' + 0.5f; - - // Put number of vertices and primitives. - *(ptrd++) = cimg::uint2float(_width); - *(ptrd++) = cimg::uint2float(primitives._width); - - // Put vertex data. - if (is_empty() || !primitives) return res; - const T *ptrx = data(0,0), *ptry = data(0,1), *ptrz = data(0,2); - cimg_forX(*this,p) { - *(ptrd++) = (float)*(ptrx++); - *(ptrd++) = (float)*(ptry++); - *(ptrd++) = (float)*(ptrz++); - } - - // Put primitive data. - cimglist_for(primitives,p) { - *(ptrd++) = (float)primitives[p].size(); - const tp *ptrp = primitives[p]._data; - cimg_foroff(primitives[p],i) *(ptrd++) = cimg::uint2float((unsigned int)*(ptrp++)); - } - - // Put color/texture data. - const unsigned int csiz = cimg::min(colors._width,primitives._width); - for (int c = 0; c<(int)csiz; ++c) { - const CImg& color = colors[c]; - const tc *ptrc = color._data; - if (color.size()==3) { *(ptrd++) = (float)*(ptrc++); *(ptrd++) = (float)*(ptrc++); *(ptrd++) = (float)*ptrc; } - else { - *(ptrd++) = -128.0f; - int shared_ind = -1; - if (color.is_shared()) for (int i = 0; i - float* _object3dtoCImg3d(const CImgList& opacities, float *ptrd) const { - cimglist_for(opacities,o) { - const CImg& opacity = opacities[o]; - const to *ptro = opacity._data; - if (opacity.size()==1) *(ptrd++) = (float)*ptro; - else { - *(ptrd++) = -128.0f; - int shared_ind = -1; - if (opacity.is_shared()) for (int i = 0; i - float* _object3dtoCImg3d(const CImg& opacities, float *ptrd) const { - const to *ptro = opacities._data; - cimg_foroff(opacities,o) *(ptrd++) = (float)*(ptro++); - return ptrd; - } - - template - unsigned int _size_object3dtoCImg3d(const CImgList& primitives, - const CImgList& colors, - const CImgList& opacities) const { - unsigned int siz = 8U + 3*_width; - cimglist_for(primitives,p) siz+=primitives[p].size() + 1; - for (int c = cimg::min(primitives.width(),colors.width()) - 1; c>=0; --c) { - if (colors[c].is_shared()) siz+=4; - else { const unsigned int csiz = colors[c].size(); siz+=(csiz!=3)?4 + csiz:3; } - } - if (colors._width - unsigned int _size_object3dtoCImg3d(const CImgList& primitives, - const CImgList& colors, - const CImg& opacities) const { - unsigned int siz = 8U + 3*_width; - cimglist_for(primitives,p) siz+=primitives[p].size() + 1; - for (int c = cimg::min(primitives.width(),colors.width()) - 1; c>=0; --c) { - const unsigned int csiz = colors[c].size(); siz+=(csiz!=3)?4 + csiz:3; - } - if (colors._width - CImg get_object3dtoCImg3d(const CImgList& primitives, - const CImgList& colors, - const bool full_check=true) const { - CImgList opacities; - return get_object3dtoCImg3d(primitives,colors,opacities,full_check); - } - - //! Convert 3d object into a CImg3d representation \overloading. - template - CImg get_object3dtoCImg3d(const CImgList& primitives, - const bool full_check=true) const { - CImgList colors, opacities; - return get_object3dtoCImg3d(primitives,colors,opacities,full_check); - } - - //! Convert 3d object into a CImg3d representation \overloading. - CImg get_object3dtoCImg3d(const bool full_check=true) const { - CImgList opacities, colors; - CImgList primitives(width(),1,1,1,1); - cimglist_for(primitives,p) primitives(p,0) = p; - return get_object3dtoCImg3d(primitives,colors,opacities,full_check); - } - - //! Convert CImg3d representation into a 3d object. - /** - \param[out] primitives Primitives data of the 3d object. - \param[out] colors Colors data of the 3d object. - \param[out] opacities Opacities data of the 3d object. - \param full_check Tells if full checking of the 3d object must be performed. - **/ - template - CImg& CImg3dtoobject3d(CImgList& primitives, - CImgList& colors, - CImgList& opacities, - const bool full_check=true) { - return get_CImg3dtoobject3d(primitives,colors,opacities,full_check).move_to(*this); - } - - //! Convert CImg3d representation into a 3d object \newinstance. - template - CImg get_CImg3dtoobject3d(CImgList& primitives, - CImgList& colors, - CImgList& opacities, - const bool full_check=true) const { - CImg error_message(1024); - if (!is_CImg3d(full_check,error_message)) - throw CImgInstanceException(_cimg_instance - "CImg3dtoobject3d(): image instance is not a CImg3d (%s).", - cimg_instance,error_message.data()); - const T *ptrs = _data + 6; - const unsigned int - nb_points = cimg::float2uint((float)*(ptrs++)), - nb_primitives = cimg::float2uint((float)*(ptrs++)); - const CImg points = CImg(ptrs,3,nb_points,1,1,true).get_transpose(); - ptrs+=3*nb_points; - primitives.assign(nb_primitives); - cimglist_for(primitives,p) { - const unsigned int nb_inds = (unsigned int)*(ptrs++); - primitives[p].assign(1,nb_inds); - tp *ptrp = primitives[p]._data; - for (unsigned int i = 0; i - CImg& _draw_scanline(const int x0, const int x1, const int y, - const tc *const color, const float opacity, - const float brightness, - const float nopacity, const float copacity, const unsigned long whd) { - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const int nx0 = x0>0?x0:0, nx1 = x1=0) { - const tc *col = color; - const unsigned long off = whd - dx - 1; - T *ptrd = data(nx0,y); - if (opacity>=1) { // ** Opaque drawing ** - if (brightness==1) { // Brightness==1 - if (sizeof(T)!=1) cimg_forC(*this,c) { - const T val = (T)*(col++); - for (int x = dx; x>=0; --x) *(ptrd++) = val; - ptrd+=off; - } else cimg_forC(*this,c) { - const T val = (T)*(col++); - std::memset(ptrd,(int)val,dx + 1); - ptrd+=whd; - } - } else if (brightness<1) { // Brightness<1 - if (sizeof(T)!=1) cimg_forC(*this,c) { - const T val = (T)(*(col++)*brightness); - for (int x = dx; x>=0; --x) *(ptrd++) = val; - ptrd+=off; - } else cimg_forC(*this,c) { - const T val = (T)(*(col++)*brightness); - std::memset(ptrd,(int)val,dx + 1); - ptrd+=whd; - } - } else { // Brightness>1 - if (sizeof(T)!=1) cimg_forC(*this,c) { - const T val = (T)((2-brightness)**(col++) + (brightness - 1)*maxval); - for (int x = dx; x>=0; --x) *(ptrd++) = val; - ptrd+=off; - } else cimg_forC(*this,c) { - const T val = (T)((2-brightness)**(col++) + (brightness - 1)*maxval); - std::memset(ptrd,(int)val,dx + 1); - ptrd+=whd; - } - } - } else { // ** Transparent drawing ** - if (brightness==1) { // Brightness==1 - cimg_forC(*this,c) { - const T val = (T)*(col++); - for (int x = dx; x>=0; --x) { *ptrd = (T)(val*nopacity + *ptrd*copacity); ++ptrd; } - ptrd+=off; - } - } else if (brightness<=1) { // Brightness<1 - cimg_forC(*this,c) { - const T val = (T)(*(col++)*brightness); - for (int x = dx; x>=0; --x) { *ptrd = (T)(val*nopacity + *ptrd*copacity); ++ptrd; } - ptrd+=off; - } - } else { // Brightness>1 - cimg_forC(*this,c) { - const T val = (T)((2-brightness)**(col++) + (brightness - 1)*maxval); - for (int x = dx; x>=0; --x) { *ptrd = (T)(val*nopacity + *ptrd*copacity); ++ptrd; } - ptrd+=off; - } - } - } - } - return *this; - } - - //! Draw a 3d point. - /** - \param x0 X-coordinate of the point. - \param y0 Y-coordinate of the point. - \param z0 Z-coordinate of the point. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param opacity Drawing opacity. - \note - - To set pixel values without clipping needs, you should use the faster CImg::operator()() function. - \par Example: - \code - CImg img(100,100,1,3,0); - const unsigned char color[] = { 255,128,64 }; - img.draw_point(50,50,color); - \endcode - **/ - template - CImg& draw_point(const int x0, const int y0, const int z0, - const tc *const color, const float opacity=1) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_point(): Specified color is (null).", - cimg_instance); - if (x0>=0 && y0>=0 && z0>=0 && x0=1) cimg_forC(*this,c) { *ptrd = (T)*(col++); ptrd+=whd; } - else cimg_forC(*this,c) { *ptrd = (T)(*(col++)*nopacity + *ptrd*copacity); ptrd+=whd; } - } - return *this; - } - - //! Draw a 2d point \simplification. - template - CImg& draw_point(const int x0, const int y0, - const tc *const color, const float opacity=1) { - return draw_point(x0,y0,0,color,opacity); - } - - // Draw a points cloud. - /** - \param points Image of vertices coordinates. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param opacity Drawing opacity. - **/ - template - CImg& draw_point(const CImg& points, - const tc *const color, const float opacity=1) { - if (is_empty() || !points) return *this; - switch (points._height) { - case 0 : case 1 : - throw CImgArgumentException(_cimg_instance - "draw_point(): Invalid specified point set (%u,%u,%u,%u,%p).", - cimg_instance, - points._width,points._height,points._depth,points._spectrum,points._data); - case 2 : { - cimg_forX(points,i) draw_point((int)points(i,0),(int)points(i,1),color,opacity); - } break; - default : { - cimg_forX(points,i) draw_point((int)points(i,0),(int)points(i,1),(int)points(i,2),color,opacity); - } - } - return *this; - } - - //! Draw a 2d line. - /** - \param x0 X-coordinate of the starting line point. - \param y0 Y-coordinate of the starting line point. - \param x1 X-coordinate of the ending line point. - \param y1 Y-coordinate of the ending line point. - \param color Pointer to \c spectrum() consecutive values of type \c T, defining the drawing color. - \param opacity Drawing opacity. - \param pattern An integer whose bits describe the line pattern. - \param init_hatch Tells if a reinitialization of the hash state must be done. - \note - - Line routine uses Bresenham's algorithm. - - Set \p init_hatch = false to draw consecutive hatched segments without breaking the line pattern. - \par Example: - \code - CImg img(100,100,1,3,0); - const unsigned char color[] = { 255,128,64 }; - img.draw_line(40,40,80,70,color); - \endcode - **/ - template - CImg& draw_line(const int x0, const int y0, - const int x1, const int y1, - const tc *const color, const float opacity=1, - const unsigned int pattern=~0U, const bool init_hatch=true) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_line(): Specified color is (null).", - cimg_instance); - static unsigned int hatch = ~0U - (~0U>>1); - if (init_hatch) hatch = ~0U - (~0U>>1); - const bool xdir = x0=width()) return *this; - if (xleft<0) { yleft-=(int)((float)xleft*((float)yright - yleft)/((float)xright - xleft)); xleft = 0; } - if (xright>=width()) { - yright-=(int)(((float)xright - width())*((float)yright - yleft)/((float)xright - xleft)); - xright = width() - 1; - } - if (ydown<0 || yup>=height()) return *this; - if (yup<0) { xup-=(int)((float)yup*((float)xdown - xup)/((float)ydown - yup)); yup = 0; } - if (ydown>=height()) { - xdown-=(int)(((float)ydown - height())*((float)xdown - xup)/((float)ydown - yup)); - ydown = height() - 1; - } - T *ptrd0 = data(nx0,ny0); - int dx = xright - xleft, dy = ydown - yup; - const bool steep = dy>dx; - if (steep) cimg::swap(nx0,ny0,nx1,ny1,dx,dy); - const long - offx = (nx0=1) { - if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { - if (pattern&hatch) { - T *ptrd = ptrd0; const tc* col = color; - cimg_forC(*this,c) { *ptrd = (T)*(col++); ptrd+=wh; } - } - hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); - ptrd0+=offx; - if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } - } else for (int error = dx>>1, x = 0; x<=dx; ++x) { - T *ptrd = ptrd0; const tc* col = color; cimg_forC(*this,c) { *ptrd = (T)*(col++); ptrd+=wh; } - ptrd0+=offx; - if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } - } - } else { - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { - if (pattern&hatch) { - T *ptrd = ptrd0; const tc* col = color; - cimg_forC(*this,c) { *ptrd = (T)(nopacity**(col++) + *ptrd*copacity); ptrd+=wh; } - } - hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); - ptrd0+=offx; - if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } - } else for (int error = dx>>1, x = 0; x<=dx; ++x) { - T *ptrd = ptrd0; const tc* col = color; - cimg_forC(*this,c) { *ptrd = (T)(nopacity**(col++) + *ptrd*copacity); ptrd+=wh; } - ptrd0+=offx; - if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } - } - } - return *this; - } - - //! Draw a 2d line, with z-buffering. - /** - \param zbuffer Zbuffer image. - \param x0 X-coordinate of the starting point. - \param y0 Y-coordinate of the starting point. - \param z0 Z-coordinate of the starting point - \param x1 X-coordinate of the ending point. - \param y1 Y-coordinate of the ending point. - \param z1 Z-coordinate of the ending point. - \param color Pointer to \c spectrum() consecutive values of type \c T, defining the drawing color. - \param opacity Drawing opacity. - \param pattern An integer whose bits describe the line pattern. - \param init_hatch Tells if a reinitialization of the hash state must be done. - **/ - template - CImg& draw_line(CImg& zbuffer, - const int x0, const int y0, const float z0, - const int x1, const int y1, const float z1, - const tc *const color, const float opacity=1, - const unsigned int pattern=~0U, const bool init_hatch=true) { - typedef typename cimg::superset::type tzfloat; - if (is_empty() || z0<=0 || z1<=0) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_line(): Specified color is (null).", - cimg_instance); - if (!is_sameXY(zbuffer)) - throw CImgArgumentException(_cimg_instance - "draw_line(): Instance and specified Z-buffer (%u,%u,%u,%u,%p) have " - "different dimensions.", - cimg_instance, - zbuffer._width,zbuffer._height,zbuffer._depth,zbuffer._spectrum,zbuffer._data); - static unsigned int hatch = ~0U - (~0U>>1); - if (init_hatch) hatch = ~0U - (~0U>>1); - const bool xdir = x0=width()) return *this; - if (xleft<0) { - const float D = (float)xright - xleft; - yleft-=(int)((float)xleft*((float)yright - yleft)/D); - zleft-=(tzfloat)xleft*(zright - zleft)/D; - xleft = 0; - } - if (xright>=width()) { - const float d = (float)xright - width(), D = (float)xright - xleft; - yright-=(int)(d*((float)yright - yleft)/D); - zright-=(tzfloat)d*(zright - zleft)/D; - xright = width() - 1; - } - if (ydown<0 || yup>=height()) return *this; - if (yup<0) { - const float D = (float)ydown - yup; - xup-=(int)((float)yup*((float)xdown - xup)/D); - zup-=(tzfloat)yup*(zdown - zup)/D; - yup = 0; - } - if (ydown>=height()) { - const float d = (float)ydown - height(), D = (float)ydown - yup; - xdown-=(int)(d*((float)xdown - xup)/D); - zdown-=(tzfloat)d*(zdown - zup)/D; - ydown = height() - 1; - } - T *ptrd0 = data(nx0,ny0); - tz *ptrz = zbuffer.data(nx0,ny0); - int dx = xright - xleft, dy = ydown - yup; - const bool steep = dy>dx; - if (steep) cimg::swap(nx0,ny0,nx1,ny1,dx,dy); - const long - offx = (nx00?(unsigned long)dx:1; - if (opacity>=1) { - if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { - const tzfloat z = Z0 + x*dz/ndx; - if (z>=(tzfloat)*ptrz && pattern&hatch) { - *ptrz = (tz)z; - T *ptrd = ptrd0; const tc *col = color; - cimg_forC(*this,c) { *ptrd = (T)*(col++); ptrd+=wh; } - } - hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); - ptrd0+=offx; ptrz+=offx; - if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } - } else for (int error = dx>>1, x = 0; x<=dx; ++x) { - const tzfloat z = Z0 + x*dz/ndx; - if (z>=(tzfloat)*ptrz) { - *ptrz = (tz)z; - T *ptrd = ptrd0; const tc *col = color; - cimg_forC(*this,c) { *ptrd = (T)*(col++); ptrd+=wh; } - } - ptrd0+=offx; ptrz+=offx; - if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } - } - } else { - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { - const tzfloat z = Z0 + x*dz/ndx; - if (z>=(tzfloat)*ptrz && pattern&hatch) { - *ptrz = (tz)z; - T *ptrd = ptrd0; const tc *col = color; - cimg_forC(*this,c) { *ptrd = (T)(nopacity**(col++) + *ptrd*copacity); ptrd+=wh; } - } - hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); - ptrd0+=offx; ptrz+=offx; - if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } - } else for (int error = dx>>1, x = 0; x<=dx; ++x) { - const tzfloat z = Z0 + x*dz/ndx; - if (z>=(tzfloat)*ptrz) { - *ptrz = (tz)z; - T *ptrd = ptrd0; const tc *col = color; - cimg_forC(*this,c) { *ptrd = (T)(nopacity**(col++) + *ptrd*copacity); ptrd+=wh; } - } - ptrd0+=offx; ptrz+=offx; - if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } - } - } - return *this; - } - - //! Draw a 3d line. - /** - \param x0 X-coordinate of the starting point. - \param y0 Y-coordinate of the starting point. - \param z0 Z-coordinate of the starting point - \param x1 X-coordinate of the ending point. - \param y1 Y-coordinate of the ending point. - \param z1 Z-coordinate of the ending point. - \param color Pointer to \c spectrum() consecutive values of type \c T, defining the drawing color. - \param opacity Drawing opacity. - \param pattern An integer whose bits describe the line pattern. - \param init_hatch Tells if a reinitialization of the hash state must be done. - **/ - template - CImg& draw_line(const int x0, const int y0, const int z0, - const int x1, const int y1, const int z1, - const tc *const color, const float opacity=1, - const unsigned int pattern=~0U, const bool init_hatch=true) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_line(): Specified color is (null).", - cimg_instance); - static unsigned int hatch = ~0U - (~0U>>1); - if (init_hatch) hatch = ~0U - (~0U>>1); - int nx0 = x0, ny0 = y0, nz0 = z0, nx1 = x1, ny1 = y1, nz1 = z1; - if (nx0>nx1) cimg::swap(nx0,nx1,ny0,ny1,nz0,nz1); - if (nx1<0 || nx0>=width()) return *this; - if (nx0<0) { - const float D = 1.0f + nx1 - nx0; - ny0-=(int)((float)nx0*(1.0f + ny1 - ny0)/D); - nz0-=(int)((float)nx0*(1.0f + nz1 - nz0)/D); - nx0 = 0; - } - if (nx1>=width()) { - const float d = (float)nx1 - width(), D = 1.0f + nx1 - nx0; - ny1+=(int)(d*(1.0f + ny0 - ny1)/D); - nz1+=(int)(d*(1.0f + nz0 - nz1)/D); - nx1 = width() - 1; - } - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,nz0,nz1); - if (ny1<0 || ny0>=height()) return *this; - if (ny0<0) { - const float D = 1.0f + ny1 - ny0; - nx0-=(int)((float)ny0*(1.0f + nx1 - nx0)/D); - nz0-=(int)((float)ny0*(1.0f + nz1 - nz0)/D); - ny0 = 0; - } - if (ny1>=height()) { - const float d = (float)ny1 - height(), D = 1.0f + ny1 - ny0; - nx1+=(int)(d*(1.0f + nx0 - nx1)/D); - nz1+=(int)(d*(1.0f + nz0 - nz1)/D); - ny1 = height() - 1; - } - if (nz0>nz1) cimg::swap(nx0,nx1,ny0,ny1,nz0,nz1); - if (nz1<0 || nz0>=depth()) return *this; - if (nz0<0) { - const float D = 1.0f + nz1 - nz0; - nx0-=(int)((float)nz0*(1.0f + nx1 - nx0)/D); - ny0-=(int)((float)nz0*(1.0f + ny1 - ny0)/D); - nz0 = 0; - } - if (nz1>=depth()) { - const float d = (float)nz1 - depth(), D = 1.0f + nz1 - nz0; - nx1+=(int)(d*(1.0f + nx0 - nx1)/D); - ny1+=(int)(d*(1.0f + ny0 - ny1)/D); - nz1 = depth() - 1; - } - const unsigned int dmax = (unsigned int)cimg::max(cimg::abs(nx1 - nx0),cimg::abs(ny1 - ny0),nz1 - nz0); - const unsigned long whd = (unsigned long)_width*_height*_depth; - const float px = (nx1 - nx0)/(float)dmax, py = (ny1 - ny0)/(float)dmax, pz = (nz1 - nz0)/(float)dmax; - float x = (float)nx0, y = (float)ny0, z = (float)nz0; - if (opacity>=1) for (unsigned int t = 0; t<=dmax; ++t) { - if (!(~pattern) || (~pattern && pattern&hatch)) { - T* ptrd = data((unsigned int)x,(unsigned int)y,(unsigned int)z); - const tc *col = color; cimg_forC(*this,c) { *ptrd = (T)*(col++); ptrd+=whd; } - } - x+=px; y+=py; z+=pz; if (pattern) { hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); } - } else { - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - for (unsigned int t = 0; t<=dmax; ++t) { - if (!(~pattern) || (~pattern && pattern&hatch)) { - T* ptrd = data((unsigned int)x,(unsigned int)y,(unsigned int)z); - const tc *col = color; cimg_forC(*this,c) { *ptrd = (T)(*(col++)*nopacity + *ptrd*copacity); ptrd+=whd; } - } - x+=px; y+=py; z+=pz; if (pattern) { hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); } - } - } - return *this; - } - - //! Draw a textured 2d line. - /** - \param x0 X-coordinate of the starting line point. - \param y0 Y-coordinate of the starting line point. - \param x1 X-coordinate of the ending line point. - \param y1 Y-coordinate of the ending line point. - \param texture Texture image defining the pixel colors. - \param tx0 X-coordinate of the starting texture point. - \param ty0 Y-coordinate of the starting texture point. - \param tx1 X-coordinate of the ending texture point. - \param ty1 Y-coordinate of the ending texture point. - \param opacity Drawing opacity. - \param pattern An integer whose bits describe the line pattern. - \param init_hatch Tells if the hash variable must be reinitialized. - \note - - Line routine uses the well known Bresenham's algorithm. - \par Example: - \code - CImg img(100,100,1,3,0), texture("texture256x256.ppm"); - const unsigned char color[] = { 255,128,64 }; - img.draw_line(40,40,80,70,texture,0,0,255,255); - \endcode - **/ - template - CImg& draw_line(const int x0, const int y0, - const int x1, const int y1, - const CImg& texture, - const int tx0, const int ty0, - const int tx1, const int ty1, - const float opacity=1, - const unsigned int pattern=~0U, const bool init_hatch=true) { - if (is_empty()) return *this; - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_line(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (is_overlapped(texture)) return draw_line(x0,y0,x1,y1,+texture,tx0,ty0,tx1,ty1,opacity,pattern,init_hatch); - static unsigned int hatch = ~0U - (~0U>>1); - if (init_hatch) hatch = ~0U - (~0U>>1); - const bool xdir = x0=width()) return *this; - if (xleft<0) { - const float D = (float)xright - xleft; - yleft-=(int)((float)xleft*((float)yright - yleft)/D); - txleft-=(int)((float)xleft*((float)txright - txleft)/D); - tyleft-=(int)((float)xleft*((float)tyright - tyleft)/D); - xleft = 0; - } - if (xright>=width()) { - const float d = (float)xright - width(), D = (float)xright - xleft; - yright-=(int)(d*((float)yright - yleft)/D); - txright-=(int)(d*((float)txright - txleft)/D); - tyright-=(int)(d*((float)tyright - tyleft)/D); - xright = width() - 1; - } - if (ydown<0 || yup>=height()) return *this; - if (yup<0) { - const float D = (float)ydown - yup; - xup-=(int)((float)yup*((float)xdown - xup)/D); - txup-=(int)((float)yup*((float)txdown - txup)/D); - tyup-=(int)((float)yup*((float)tydown - tyup)/D); - yup = 0; - } - if (ydown>=height()) { - const float d = (float)ydown - height(), D = (float)ydown - yup; - xdown-=(int)(d*((float)xdown - xup)/D); - txdown-=(int)(d*((float)txdown - txup)/D); - tydown-=(int)(d*((float)tydown - tyup)/D); - ydown = height() - 1; - } - T *ptrd0 = data(nx0,ny0); - int dx = xright - xleft, dy = ydown - yup; - const bool steep = dy>dx; - if (steep) cimg::swap(nx0,ny0,nx1,ny1,dx,dy); - const long - offx = (nx00?dx:1; - const unsigned long - whd = (unsigned long)_width*_height*_depth, - twh = (unsigned long)texture._width*texture._height; - - if (opacity>=1) { - if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { - if (pattern&hatch) { - T *ptrd = ptrd0; - const int tx = tx0 + x*dtx/ndx, ty = ty0 + x*dty/ndx; - const tc *col = &texture._atXY(tx,ty); - cimg_forC(*this,c) { *ptrd = (T)*col; ptrd+=whd; col+=twh; } - } - hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); - ptrd0+=offx; - if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } - } else for (int error = dx>>1, x = 0; x<=dx; ++x) { - T *ptrd = ptrd0; - const int tx = tx0 + x*dtx/ndx, ty = ty0 + x*dty/ndx; - const tc *col = &texture._atXY(tx,ty); - cimg_forC(*this,c) { *ptrd = (T)*col; ptrd+=whd; col+=twh; } - ptrd0+=offx; - if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } - } - } else { - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { - T *ptrd = ptrd0; - if (pattern&hatch) { - const int tx = tx0 + x*dtx/ndx, ty = ty0 + x*dty/ndx; - const tc *col = &texture._atXY(tx,ty); - cimg_forC(*this,c) { *ptrd = (T)(nopacity**col + *ptrd*copacity); ptrd+=whd; col+=twh; } - } - hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); - ptrd0+=offx; - if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } - } else for (int error = dx>>1, x = 0; x<=dx; ++x) { - T *ptrd = ptrd0; - const int tx = tx0 + x*dtx/ndx, ty = ty0 + x*dty/ndx; - const tc *col = &texture._atXY(tx,ty); - cimg_forC(*this,c) { *ptrd = (T)(nopacity**col + *ptrd*copacity); ptrd+=whd; col+=twh; } - ptrd0+=offx; - if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } - } - } - return *this; - } - - //! Draw a textured 2d line, with perspective correction. - /** - \param x0 X-coordinate of the starting point. - \param y0 Y-coordinate of the starting point. - \param z0 Z-coordinate of the starting point - \param x1 X-coordinate of the ending point. - \param y1 Y-coordinate of the ending point. - \param z1 Z-coordinate of the ending point. - \param texture Texture image defining the pixel colors. - \param tx0 X-coordinate of the starting texture point. - \param ty0 Y-coordinate of the starting texture point. - \param tx1 X-coordinate of the ending texture point. - \param ty1 Y-coordinate of the ending texture point. - \param opacity Drawing opacity. - \param pattern An integer whose bits describe the line pattern. - \param init_hatch Tells if the hash variable must be reinitialized. - **/ - template - CImg& draw_line(const int x0, const int y0, const float z0, - const int x1, const int y1, const float z1, - const CImg& texture, - const int tx0, const int ty0, - const int tx1, const int ty1, - const float opacity=1, - const unsigned int pattern=~0U, const bool init_hatch=true) { - if (is_empty() && z0<=0 && z1<=0) return *this; - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_line(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (is_overlapped(texture)) - return draw_line(x0,y0,z0,x1,y1,z1,+texture,tx0,ty0,tx1,ty1,opacity,pattern,init_hatch); - static unsigned int hatch = ~0U - (~0U>>1); - if (init_hatch) hatch = ~0U - (~0U>>1); - const bool xdir = x0=width()) return *this; - if (xleft<0) { - const float D = (float)xright - xleft; - yleft-=(int)((float)xleft*((float)yright - yleft)/D); - zleft-=(float)xleft*(zright - zleft)/D; - txleft-=(float)xleft*(txright - txleft)/D; - tyleft-=(float)xleft*(tyright - tyleft)/D; - xleft = 0; - } - if (xright>=width()) { - const float d = (float)xright - width(), D = (float)xright - xleft; - yright-=(int)(d*((float)yright - yleft)/D); - zright-=d*(zright - zleft)/D; - txright-=d*(txright - txleft)/D; - tyright-=d*(tyright - tyleft)/D; - xright = width() - 1; - } - if (ydown<0 || yup>=height()) return *this; - if (yup<0) { - const float D = (float)ydown - yup; - xup-=(int)((float)yup*((float)xdown - xup)/D); - zup-=(float)yup*(zdown - zup)/D; - txup-=(float)yup*(txdown - txup)/D; - tyup-=(float)yup*(tydown - tyup)/D; - yup = 0; - } - if (ydown>=height()) { - const float d = (float)ydown - height(), D = (float)ydown - yup; - xdown-=(int)(d*((float)xdown - xup)/D); - zdown-=d*(zdown - zup)/D; - txdown-=d*(txdown - txup)/D; - tydown-=d*(tydown - tyup)/D; - ydown = height() - 1; - } - T *ptrd0 = data(nx0,ny0); - int dx = xright - xleft, dy = ydown - yup; - const bool steep = dy>dx; - if (steep) cimg::swap(nx0,ny0,nx1,ny1,dx,dy); - const long - offx = (nx00?dx:1; - const unsigned long - whd = (unsigned long)_width*_height*_depth, - twh = (unsigned long)texture._width*texture._height; - - if (opacity>=1) { - if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { - if (pattern&hatch) { - const float z = Z0 + x*dz/ndx, tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; - const tc *col = &texture._atXY((int)(tx/z),(int)(ty/z)); - T *ptrd = ptrd0; - cimg_forC(*this,c) { *ptrd = (T)*col; ptrd+=whd; col+=twh; } - } - hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); - ptrd0+=offx; - if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } - } else for (int error = dx>>1, x = 0; x<=dx; ++x) { - const float z = Z0 + x*dz/ndx, tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; - const tc *col = &texture._atXY((int)(tx/z),(int)(ty/z)); - T *ptrd = ptrd0; - cimg_forC(*this,c) { *ptrd = (T)*col; ptrd+=whd; col+=twh; } - ptrd0+=offx; - if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } - } - } else { - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { - if (pattern&hatch) { - const float z = Z0 + x*dz/ndx, tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; - const tc *col = &texture._atXY((int)(tx/z),(int)(ty/z)); - T *ptrd = ptrd0; - cimg_forC(*this,c) { *ptrd = (T)(nopacity**col + *ptrd*copacity); ptrd+=whd; col+=twh; } - } - hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); - ptrd0+=offx; - if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } - } else for (int error = dx>>1, x = 0; x<=dx; ++x) { - const float z = Z0 + x*dz/ndx, tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; - const tc *col = &texture._atXY((int)(tx/z),(int)(ty/z)); - T *ptrd = ptrd0; - cimg_forC(*this,c) { *ptrd = (T)(nopacity**col + *ptrd*copacity); ptrd+=whd; col+=twh; } - ptrd0+=offx; - if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } - } - } - return *this; - } - - //! Draw a textured 2d line, with perspective correction and z-buffering. - /** - \param zbuffer Z-buffer image. - \param x0 X-coordinate of the starting point. - \param y0 Y-coordinate of the starting point. - \param z0 Z-coordinate of the starting point - \param x1 X-coordinate of the ending point. - \param y1 Y-coordinate of the ending point. - \param z1 Z-coordinate of the ending point. - \param texture Texture image defining the pixel colors. - \param tx0 X-coordinate of the starting texture point. - \param ty0 Y-coordinate of the starting texture point. - \param tx1 X-coordinate of the ending texture point. - \param ty1 Y-coordinate of the ending texture point. - \param opacity Drawing opacity. - \param pattern An integer whose bits describe the line pattern. - \param init_hatch Tells if the hash variable must be reinitialized. - **/ - template - CImg& draw_line(CImg& zbuffer, - const int x0, const int y0, const float z0, - const int x1, const int y1, const float z1, - const CImg& texture, - const int tx0, const int ty0, - const int tx1, const int ty1, - const float opacity=1, - const unsigned int pattern=~0U, const bool init_hatch=true) { - typedef typename cimg::superset::type tzfloat; - if (is_empty() || z0<=0 || z1<=0) return *this; - if (!is_sameXY(zbuffer)) - throw CImgArgumentException(_cimg_instance - "draw_line(): Instance and specified Z-buffer (%u,%u,%u,%u,%p) have " - "different dimensions.", - cimg_instance, - zbuffer._width,zbuffer._height,zbuffer._depth,zbuffer._spectrum,zbuffer._data); - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_line(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (is_overlapped(texture)) - return draw_line(zbuffer,x0,y0,z0,x1,y1,z1,+texture,tx0,ty0,tx1,ty1,opacity,pattern,init_hatch); - static unsigned int hatch = ~0U - (~0U>>1); - if (init_hatch) hatch = ~0U - (~0U>>1); - const bool xdir = x0=width()) return *this; - if (xleft<0) { - const float D = (float)xright - xleft; - yleft-=(int)((float)xleft*((float)yright - yleft)/D); - zleft-=(float)xleft*(zright - zleft)/D; - txleft-=(float)xleft*(txright - txleft)/D; - tyleft-=(float)xleft*(tyright - tyleft)/D; - xleft = 0; - } - if (xright>=width()) { - const float d = (float)xright - width(), D = (float)xright - xleft; - yright-=(int)(d*((float)yright - yleft)/D); - zright-=d*(zright - zleft)/D; - txright-=d*(txright - txleft)/D; - tyright-=d*(tyright - tyleft)/D; - xright = width() - 1; - } - if (ydown<0 || yup>=height()) return *this; - if (yup<0) { - const float D = (float)ydown - yup; - xup-=(int)((float)yup*((float)xdown - xup)/D); - zup-=yup*(zdown - zup)/D; - txup-=yup*(txdown - txup)/D; - tyup-=yup*(tydown - tyup)/D; - yup = 0; - } - if (ydown>=height()) { - const float d = (float)ydown - height(), D = (float)ydown - yup; - xdown-=(int)(d*((float)xdown - xup)/D); - zdown-=d*(zdown - zup)/D; - txdown-=d*(txdown - txup)/D; - tydown-=d*(tydown - tyup)/D; - ydown = height() - 1; - } - T *ptrd0 = data(nx0,ny0); - tz *ptrz = zbuffer.data(nx0,ny0); - int dx = xright - xleft, dy = ydown - yup; - const bool steep = dy>dx; - if (steep) cimg::swap(nx0,ny0,nx1,ny1,dx,dy); - const long - offx = (nx00?dx:1; - const unsigned long - whd = (unsigned long)_width*_height*_depth, - twh = (unsigned long)texture._width*texture._height; - - if (opacity>=1) { - if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { - if (pattern&hatch) { - const tzfloat z = Z0 + x*dz/ndx; - if (z>=(tzfloat)*ptrz) { - *ptrz = (tz)z; - const float tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; - const tc *col = &texture._atXY((int)(tx/z),(int)(ty/z)); - T *ptrd = ptrd0; - cimg_forC(*this,c) { *ptrd = (T)*col; ptrd+=whd; col+=twh; } - } - } - hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); - ptrd0+=offx; ptrz+=offx; - if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } - } else for (int error = dx>>1, x = 0; x<=dx; ++x) { - const tzfloat z = Z0 + x*dz/ndx; - if (z>=(tzfloat)*ptrz) { - *ptrz = (tz)z; - const float tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; - const tc *col = &texture._atXY((int)(tx/z),(int)(ty/z)); - T *ptrd = ptrd0; - cimg_forC(*this,c) { *ptrd = (T)*col; ptrd+=whd; col+=twh; } - } - ptrd0+=offx; ptrz+=offx; - if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } - } - } else { - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { - if (pattern&hatch) { - const tzfloat z = Z0 + x*dz/ndx; - if (z>=(tzfloat)*ptrz) { - *ptrz = (tz)z; - const float tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; - const tc *col = &texture._atXY((int)(tx/z),(int)(ty/z)); - T *ptrd = ptrd0; - cimg_forC(*this,c) { *ptrd = (T)(nopacity**col + *ptrd*copacity); ptrd+=whd; col+=twh; } - } - } - hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); - ptrd0+=offx; ptrz+=offx; - if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } - } else for (int error = dx>>1, x = 0; x<=dx; ++x) { - const tzfloat z = Z0 + x*dz/ndx; - if (z>=(tzfloat)*ptrz) { - *ptrz = (tz)z; - const float tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; - const tc *col = &texture._atXY((int)(tx/z),(int)(ty/z)); - T *ptrd = ptrd0; - cimg_forC(*this,c) { *ptrd = (T)(nopacity**col + *ptrd*copacity); ptrd+=whd; col+=twh; } - } - ptrd0+=offx; ptrz+=offx; - if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } - } - } - return *this; - } - - //! Draw a set of consecutive lines. - /** - \param points Coordinates of vertices, stored as a list of vectors. - \param color Pointer to \c spectrum() consecutive values of type \c T, defining the drawing color. - \param opacity Drawing opacity. - \param pattern An integer whose bits describe the line pattern. - \param init_hatch If set to true, init hatch motif. - \note - - This function uses several call to the single CImg::draw_line() procedure, - depending on the vectors size in \p points. - **/ - template - CImg& draw_line(const CImg& points, - const tc *const color, const float opacity=1, - const unsigned int pattern=~0U, const bool init_hatch=true) { - if (is_empty() || !points || points._width<2) return *this; - bool ninit_hatch = init_hatch; - switch (points._height) { - case 0 : case 1 : - throw CImgArgumentException(_cimg_instance - "draw_line(): Invalid specified point set (%u,%u,%u,%u,%p).", - cimg_instance, - points._width,points._height,points._depth,points._spectrum,points._data); - - case 2 : { - const int x0 = (int)points(0,0), y0 = (int)points(0,1); - int ox = x0, oy = y0; - for (unsigned int i = 1; i - CImg& draw_arrow(const int x0, const int y0, - const int x1, const int y1, - const tc *const color, const float opacity=1, - const float angle=30, const float length=-10, - const unsigned int pattern=~0U) { - if (is_empty()) return *this; - const float u = (float)(x0 - x1), v = (float)(y0 - y1), sq = u*u + v*v, - deg = (float)(angle*cimg::PI/180), ang = (sq>0)?(float)std::atan2(v,u):0.0f, - l = (length>=0)?length:-length*(float)std::sqrt(sq)/100; - if (sq>0) { - const float - cl = (float)std::cos(ang - deg), sl = (float)std::sin(ang - deg), - cr = (float)std::cos(ang + deg), sr = (float)std::sin(ang + deg); - const int - xl = x1 + (int)(l*cl), yl = y1 + (int)(l*sl), - xr = x1 + (int)(l*cr), yr = y1 + (int)(l*sr), - xc = x1 + (int)((l + 1)*(cl + cr))/2, yc = y1 + (int)((l + 1)*(sl + sr))/2; - draw_line(x0,y0,xc,yc,color,opacity,pattern).draw_triangle(x1,y1,xl,yl,xr,yr,color,opacity); - } else draw_point(x0,y0,color,opacity); - return *this; - } - - //! Draw a 2d spline. - /** - \param x0 X-coordinate of the starting curve point - \param y0 Y-coordinate of the starting curve point - \param u0 X-coordinate of the starting velocity - \param v0 Y-coordinate of the starting velocity - \param x1 X-coordinate of the ending curve point - \param y1 Y-coordinate of the ending curve point - \param u1 X-coordinate of the ending velocity - \param v1 Y-coordinate of the ending velocity - \param color Pointer to \c spectrum() consecutive values of type \c T, defining the drawing color. - \param precision Curve drawing precision. - \param opacity Drawing opacity. - \param pattern An integer whose bits describe the line pattern. - \param init_hatch If \c true, init hatch motif. - \note - - The curve is a 2d cubic Bezier spline, from the set of specified starting/ending points - and corresponding velocity vectors. - - The spline is drawn as a serie of connected segments. The \p precision parameter sets the - average number of pixels in each drawn segment. - - A cubic Bezier curve is sometimes defined by a set of 4 points { (\p x0,\p y0), (\p xa,\p ya), - (\p xb,\p yb), (\p x1,\p y1) } where (\p x0,\p y0) is the starting point, (\p x1,\p y1) is the ending point - and (\p xa,\p ya), (\p xb,\p yb) are two - \e control points. - The starting and ending velocities (\p u0,\p v0) and (\p u1,\p v1) can be deduced easily from - the control points as - \p u0 = (\p xa - \p x0), \p v0 = (\p ya - \p y0), \p u1 = (\p x1 - \p xb) and \p v1 = (\p y1 - \p yb). - \par Example: - \code - CImg img(100,100,1,3,0); - const unsigned char color[] = { 255,255,255 }; - img.draw_spline(30,30,0,100,90,40,0,-100,color); - \endcode - **/ - template - CImg& draw_spline(const int x0, const int y0, const float u0, const float v0, - const int x1, const int y1, const float u1, const float v1, - const tc *const color, const float opacity=1, - const float precision=0.25, const unsigned int pattern=~0U, - const bool init_hatch=true) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_spline(): Specified color is (null).", - cimg_instance); - if (x0==x1 && y0==y1) return draw_point(x0,y0,color,opacity); - bool ninit_hatch = init_hatch; - const float - ax = u0 + u1 + 2*(x0 - x1), - bx = 3*(x1 - x0) - 2*u0 - u1, - ay = v0 + v1 + 2*(y0 - y1), - by = 3*(y1 - y0) - 2*v0 - v1, - _precision = 1/(std::sqrt(cimg::sqr((float)x0 - x1) + cimg::sqr((float)y0 - y1))*(precision>0?precision:1)); - int ox = x0, oy = y0; - for (float t = 0; t<1; t+=_precision) { - const float t2 = t*t, t3 = t2*t; - const int - nx = (int)(ax*t3 + bx*t2 + u0*t + x0), - ny = (int)(ay*t3 + by*t2 + v0*t + y0); - draw_line(ox,oy,nx,ny,color,opacity,pattern,ninit_hatch); - ninit_hatch = false; - ox = nx; oy = ny; - } - return draw_line(ox,oy,x1,y1,color,opacity,pattern,false); - } - - //! Draw a 3d spline \overloading. - /** - \note - - Similar to CImg::draw_spline() for a 3d spline in a volumetric image. - **/ - template - CImg& draw_spline(const int x0, const int y0, const int z0, const float u0, const float v0, const float w0, - const int x1, const int y1, const int z1, const float u1, const float v1, const float w1, - const tc *const color, const float opacity=1, - const float precision=4, const unsigned int pattern=~0U, - const bool init_hatch=true) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_spline(): Specified color is (null).", - cimg_instance); - if (x0==x1 && y0==y1 && z0==z1) return draw_point(x0,y0,z0,color,opacity); - bool ninit_hatch = init_hatch; - const float - ax = u0 + u1 + 2*(x0 - x1), - bx = 3*(x1 - x0) - 2*u0 - u1, - ay = v0 + v1 + 2*(y0 - y1), - by = 3*(y1 - y0) - 2*v0 - v1, - az = w0 + w1 + 2*(z0 - z1), - bz = 3*(z1 - z0) - 2*w0 - w1, - _precision = 1/(std::sqrt(cimg::sqr(x0 - x1) + cimg::sqr(y0 - y1))*(precision>0?precision:1)); - int ox = x0, oy = y0, oz = z0; - for (float t = 0; t<1; t+=_precision) { - const float t2 = t*t, t3 = t2*t; - const int - nx = (int)(ax*t3 + bx*t2 + u0*t + x0), - ny = (int)(ay*t3 + by*t2 + v0*t + y0), - nz = (int)(az*t3 + bz*t2 + w0*t + z0); - draw_line(ox,oy,oz,nx,ny,nz,color,opacity,pattern,ninit_hatch); - ninit_hatch = false; - ox = nx; oy = ny; oz = nz; - } - return draw_line(ox,oy,oz,x1,y1,z1,color,opacity,pattern,false); - } - - //! Draw a textured 2d spline. - /** - \param x0 X-coordinate of the starting curve point - \param y0 Y-coordinate of the starting curve point - \param u0 X-coordinate of the starting velocity - \param v0 Y-coordinate of the starting velocity - \param x1 X-coordinate of the ending curve point - \param y1 Y-coordinate of the ending curve point - \param u1 X-coordinate of the ending velocity - \param v1 Y-coordinate of the ending velocity - \param texture Texture image defining line pixel colors. - \param tx0 X-coordinate of the starting texture point. - \param ty0 Y-coordinate of the starting texture point. - \param tx1 X-coordinate of the ending texture point. - \param ty1 Y-coordinate of the ending texture point. - \param precision Curve drawing precision. - \param opacity Drawing opacity. - \param pattern An integer whose bits describe the line pattern. - \param init_hatch if \c true, reinit hatch motif. - **/ - template - CImg& draw_spline(const int x0, const int y0, const float u0, const float v0, - const int x1, const int y1, const float u1, const float v1, - const CImg& texture, - const int tx0, const int ty0, const int tx1, const int ty1, - const float opacity=1, - const float precision=4, const unsigned int pattern=~0U, - const bool init_hatch=true) { - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_spline(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (is_empty()) return *this; - if (is_overlapped(texture)) - return draw_spline(x0,y0,u0,v0,x1,y1,u1,v1,+texture,tx0,ty0,tx1,ty1,precision,opacity,pattern,init_hatch); - if (x0==x1 && y0==y1) - return draw_point(x0,y0,texture.get_vector_at(x0<=0?0:x0>=texture.width()?texture.width() - 1:x0, - y0<=0?0:y0>=texture.height()?texture.height() - 1:y0),opacity); - bool ninit_hatch = init_hatch; - const float - ax = u0 + u1 + 2*(x0 - x1), - bx = 3*(x1 - x0) - 2*u0 - u1, - ay = v0 + v1 + 2*(y0 - y1), - by = 3*(y1 - y0) - 2*v0 - v1, - _precision = 1/(std::sqrt(cimg::sqr(x0 - x1) + cimg::sqr(y0 - y1))*(precision>0?precision:1)); - int ox = x0, oy = y0, otx = tx0, oty = ty0; - for (float t1 = 0; t1<1; t1+=_precision) { - const float t2 = t1*t1, t3 = t2*t1; - const int - nx = (int)(ax*t3 + bx*t2 + u0*t1 + x0), - ny = (int)(ay*t3 + by*t2 + v0*t1 + y0), - ntx = tx0 + (int)((tx1 - tx0)*t1), - nty = ty0 + (int)((ty1 - ty0)*t1); - draw_line(ox,oy,nx,ny,texture,otx,oty,ntx,nty,opacity,pattern,ninit_hatch); - ninit_hatch = false; - ox = nx; oy = ny; otx = ntx; oty = nty; - } - return draw_line(ox,oy,x1,y1,texture,otx,oty,tx1,ty1,opacity,pattern,false); - } - - //! Draw a set of consecutive splines. - /** - \param points Vertices data. - \param tangents Tangents data. - \param color Pointer to \c spectrum() consecutive values of type \c T, defining the drawing color. - \param opacity Drawing opacity. - \param is_closed_set Tells if the drawn spline set is closed. - \param precision Precision of the drawing. - \param pattern An integer whose bits describe the line pattern. - \param init_hatch If \c true, init hatch motif. - **/ - template - CImg& draw_spline(const CImg& points, const CImg& tangents, - const tc *const color, const float opacity=1, - const bool is_closed_set=false, const float precision=4, - const unsigned int pattern=~0U, const bool init_hatch=true) { - if (is_empty() || !points || !tangents || points._width<2 || tangents._width<2) return *this; - bool ninit_hatch = init_hatch; - switch (points._height) { - case 0 : case 1 : - throw CImgArgumentException(_cimg_instance - "draw_spline(): Invalid specified point set (%u,%u,%u,%u,%p).", - cimg_instance, - points._width,points._height,points._depth,points._spectrum,points._data); - - case 2 : { - const int x0 = (int)points(0,0), y0 = (int)points(0,1); - const float u0 = (float)tangents(0,0), v0 = (float)tangents(0,1); - int ox = x0, oy = y0; - float ou = u0, ov = v0; - for (unsigned int i = 1; i - CImg& draw_spline(const CImg& points, - const tc *const color, const float opacity=1, - const bool is_closed_set=false, const float precision=4, - const unsigned int pattern=~0U, const bool init_hatch=true) { - if (is_empty() || !points || points._width<2) return *this; - CImg tangents; - switch (points._height) { - case 0 : case 1 : - throw CImgArgumentException(_cimg_instance - "draw_spline(): Invalid specified point set (%u,%u,%u,%u,%p).", - cimg_instance, - points._width,points._height,points._depth,points._spectrum,points._data); - case 2 : { - tangents.assign(points._width,points._height); - cimg_forX(points,p) { - const unsigned int - p0 = is_closed_set?(p + points._width - 1)%points._width:(p?p - 1:0), - p1 = is_closed_set?(p + 1)%points._width:(p + 1=0?x0:(x0 - y0*(x2 - x0)/(y2 - y0)), \ - xl = y1>=0?(y0>=0?(y0==y1?x1:x0):(x0 - y0*(x1 - x0)/(y1 - y0))):(x1 - y1*(x2 - x1)/(y2 - y1)), \ - _sxn=1, \ - _sxr=1, \ - _sxl=1, \ - _dxn = x2>x1?x2-x1:(_sxn=-1,x1 - x2), \ - _dxr = x2>x0?x2-x0:(_sxr=-1,x0 - x2), \ - _dxl = x1>x0?x1-x0:(_sxl=-1,x0 - x1), \ - _dyn = y2-y1, \ - _dyr = y2-y0, \ - _dyl = y1-y0, \ - _counter = (_dxn-=_dyn?_dyn*(_dxn/_dyn):0, \ - _dxr-=_dyr?_dyr*(_dxr/_dyr):0, \ - _dxl-=_dyl?_dyl*(_dxl/_dyl):0, \ - cimg::min((int)(img)._height - y - 1,y2 - y)), \ - _errn = _dyn/2, \ - _errr = _dyr/2, \ - _errl = _dyl/2, \ - _rxn = _dyn?(x2-x1)/_dyn:0, \ - _rxr = _dyr?(x2-x0)/_dyr:0, \ - _rxl = (y0!=y1 && y1>0)?(_dyl?(x1-x0)/_dyl:0): \ - (_errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxn); \ - _counter>=0; --_counter, ++y, \ - xr+=_rxr+((_errr-=_dxr)<0?_errr+=_dyr,_sxr:0), \ - xl+=(y!=y1)?_rxl+((_errl-=_dxl)<0?(_errl+=_dyl,_sxl):0): \ - (_errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxl=_rxn, x1-xl)) - -#define _cimg_for_triangle2(img,xl,cl,xr,cr,y,x0,y0,c0,x1,y1,c1,x2,y2,c2) \ - for (int y = y0<0?0:y0, \ - xr = y0>=0?x0:(x0 - y0*(x2 - x0)/(y2 - y0)), \ - cr = y0>=0?c0:(c0 - y0*(c2 - c0)/(y2 - y0)), \ - xl = y1>=0?(y0>=0?(y0==y1?x1:x0):(x0 - y0*(x1 - x0)/(y1 - y0))):(x1 - y1*(x2 - x1)/(y2 - y1)), \ - cl = y1>=0?(y0>=0?(y0==y1?c1:c0):(c0 - y0*(c1 - c0)/(y1 - y0))):(c1 - y1*(c2 - c1)/(y2 - y1)), \ - _sxn=1, _scn=1, \ - _sxr=1, _scr=1, \ - _sxl=1, _scl=1, \ - _dxn = x2>x1?x2-x1:(_sxn=-1,x1 - x2), \ - _dxr = x2>x0?x2-x0:(_sxr=-1,x0 - x2), \ - _dxl = x1>x0?x1-x0:(_sxl=-1,x0 - x1), \ - _dcn = c2>c1?c2-c1:(_scn=-1,c1 - c2), \ - _dcr = c2>c0?c2-c0:(_scr=-1,c0 - c2), \ - _dcl = c1>c0?c1-c0:(_scl=-1,c0 - c1), \ - _dyn = y2-y1, \ - _dyr = y2-y0, \ - _dyl = y1-y0, \ - _counter =(_dxn-=_dyn?_dyn*(_dxn/_dyn):0, \ - _dxr-=_dyr?_dyr*(_dxr/_dyr):0, \ - _dxl-=_dyl?_dyl*(_dxl/_dyl):0, \ - _dcn-=_dyn?_dyn*(_dcn/_dyn):0, \ - _dcr-=_dyr?_dyr*(_dcr/_dyr):0, \ - _dcl-=_dyl?_dyl*(_dcl/_dyl):0, \ - cimg::min((int)(img)._height - y - 1,y2 - y)), \ - _errn = _dyn/2, _errcn = _errn, \ - _errr = _dyr/2, _errcr = _errr, \ - _errl = _dyl/2, _errcl = _errl, \ - _rxn = _dyn?(x2 - x1)/_dyn:0, \ - _rcn = _dyn?(c2 - c1)/_dyn:0, \ - _rxr = _dyr?(x2 - x0)/_dyr:0, \ - _rcr = _dyr?(c2 - c0)/_dyr:0, \ - _rxl = (y0!=y1 && y1>0)?(_dyl?(x1-x0)/_dyl:0): \ - (_errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxn), \ - _rcl = (y0!=y1 && y1>0)?(_dyl?(c1-c0)/_dyl:0): \ - (_errcl=_errcn, _dcl=_dcn, _dyl=_dyn, _scl=_scn, _rcn ); \ - _counter>=0; --_counter, ++y, \ - xr+=_rxr+((_errr-=_dxr)<0?_errr+=_dyr,_sxr:0), \ - cr+=_rcr+((_errcr-=_dcr)<0?_errcr+=_dyr,_scr:0), \ - xl+=(y!=y1)?(cl+=_rcl+((_errcl-=_dcl)<0?(_errcl+=_dyl,_scl):0), \ - _rxl+((_errl-=_dxl)<0?(_errl+=_dyl,_sxl):0)): \ - (_errcl=_errcn, _dcl=_dcn, _dyl=_dyn, _scl=_scn, _rcl=_rcn, cl=c1, \ - _errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxl=_rxn, x1-xl)) - -#define _cimg_for_triangle3(img,xl,txl,tyl,xr,txr,tyr,y,x0,y0,tx0,ty0,x1,y1,tx1,ty1,x2,y2,tx2,ty2) \ - for (int y = y0<0?0:y0, \ - xr = y0>=0?x0:(x0 - y0*(x2 - x0)/(y2 - y0)), \ - txr = y0>=0?tx0:(tx0 - y0*(tx2 - tx0)/(y2 - y0)), \ - tyr = y0>=0?ty0:(ty0 - y0*(ty2 - ty0)/(y2 - y0)), \ - xl = y1>=0?(y0>=0?(y0==y1?x1:x0):(x0 - y0*(x1 - x0)/(y1 - y0))):(x1 - y1*(x2 - x1)/(y2 - y1)), \ - txl = y1>=0?(y0>=0?(y0==y1?tx1:tx0):(tx0 - y0*(tx1 - tx0)/(y1 - y0))):(tx1 - y1*(tx2 - tx1)/(y2 - y1)), \ - tyl = y1>=0?(y0>=0?(y0==y1?ty1:ty0):(ty0 - y0*(ty1 - ty0)/(y1 - y0))):(ty1 - y1*(ty2 - ty1)/(y2 - y1)), \ - _sxn=1, _stxn=1, _styn=1, \ - _sxr=1, _stxr=1, _styr=1, \ - _sxl=1, _stxl=1, _styl=1, \ - _dxn = x2>x1?x2 - x1:(_sxn=-1,x1 - x2), \ - _dxr = x2>x0?x2 - x0:(_sxr=-1,x0 - x2), \ - _dxl = x1>x0?x1 - x0:(_sxl=-1,x0 - x1), \ - _dtxn = tx2>tx1?tx2 - tx1:(_stxn=-1,tx1 - tx2), \ - _dtxr = tx2>tx0?tx2 - tx0:(_stxr=-1,tx0 - tx2), \ - _dtxl = tx1>tx0?tx1 - tx0:(_stxl=-1,tx0 - tx1), \ - _dtyn = ty2>ty1?ty2 - ty1:(_styn=-1,ty1 - ty2), \ - _dtyr = ty2>ty0?ty2 - ty0:(_styr=-1,ty0 - ty2), \ - _dtyl = ty1>ty0?ty1 - ty0:(_styl=-1,ty0 - ty1), \ - _dyn = y2-y1, \ - _dyr = y2-y0, \ - _dyl = y1-y0, \ - _counter =(_dxn-=_dyn?_dyn*(_dxn/_dyn):0, \ - _dxr-=_dyr?_dyr*(_dxr/_dyr):0, \ - _dxl-=_dyl?_dyl*(_dxl/_dyl):0, \ - _dtxn-=_dyn?_dyn*(_dtxn/_dyn):0, \ - _dtxr-=_dyr?_dyr*(_dtxr/_dyr):0, \ - _dtxl-=_dyl?_dyl*(_dtxl/_dyl):0, \ - _dtyn-=_dyn?_dyn*(_dtyn/_dyn):0, \ - _dtyr-=_dyr?_dyr*(_dtyr/_dyr):0, \ - _dtyl-=_dyl?_dyl*(_dtyl/_dyl):0, \ - cimg::min((int)(img)._height - y - 1,y2 - y)), \ - _errn = _dyn/2, _errtxn = _errn, _errtyn = _errn, \ - _errr = _dyr/2, _errtxr = _errr, _errtyr = _errr, \ - _errl = _dyl/2, _errtxl = _errl, _errtyl = _errl, \ - _rxn = _dyn?(x2 - x1)/_dyn:0, \ - _rtxn = _dyn?(tx2 - tx1)/_dyn:0, \ - _rtyn = _dyn?(ty2 - ty1)/_dyn:0, \ - _rxr = _dyr?(x2 - x0)/_dyr:0, \ - _rtxr = _dyr?(tx2 - tx0)/_dyr:0, \ - _rtyr = _dyr?(ty2 - ty0)/_dyr:0, \ - _rxl = (y0!=y1 && y1>0)?(_dyl?(x1 - x0)/_dyl:0): \ - (_errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxn), \ - _rtxl = (y0!=y1 && y1>0)?(_dyl?(tx1 - tx0)/_dyl:0): \ - (_errtxl=_errtxn, _dtxl=_dtxn, _dyl=_dyn, _stxl=_stxn, _rtxn ), \ - _rtyl = (y0!=y1 && y1>0)?(_dyl?(ty1 - ty0)/_dyl:0): \ - (_errtyl=_errtyn, _dtyl=_dtyn, _dyl=_dyn, _styl=_styn, _rtyn ); \ - _counter>=0; --_counter, ++y, \ - xr+=_rxr+((_errr-=_dxr)<0?_errr+=_dyr,_sxr:0), \ - txr+=_rtxr+((_errtxr-=_dtxr)<0?_errtxr+=_dyr,_stxr:0), \ - tyr+=_rtyr+((_errtyr-=_dtyr)<0?_errtyr+=_dyr,_styr:0), \ - xl+=(y!=y1)?(txl+=_rtxl+((_errtxl-=_dtxl)<0?(_errtxl+=_dyl,_stxl):0), \ - tyl+=_rtyl+((_errtyl-=_dtyl)<0?(_errtyl+=_dyl,_styl):0), \ - _rxl+((_errl-=_dxl)<0?(_errl+=_dyl,_sxl):0)): \ - (_errtxl=_errtxn, _dtxl=_dtxn, _dyl=_dyn, _stxl=_stxn, _rtxl=_rtxn, txl=tx1, \ - _errtyl=_errtyn, _dtyl=_dtyn, _dyl=_dyn, _styl=_styn, _rtyl=_rtyn, tyl=ty1,\ - _errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxl=_rxn, x1 - xl)) - -#define _cimg_for_triangle4(img,xl,cl,txl,tyl,xr,cr,txr,tyr,y,x0,y0,c0,tx0,ty0,x1,y1,c1,tx1,ty1,x2,y2,c2,tx2,ty2) \ - for (int y = y0<0?0:y0, \ - xr = y0>=0?x0:(x0 - y0*(x2 - x0)/(y2 - y0)), \ - cr = y0>=0?c0:(c0 - y0*(c2 - c0)/(y2 - y0)), \ - txr = y0>=0?tx0:(tx0 - y0*(tx2 - tx0)/(y2 - y0)), \ - tyr = y0>=0?ty0:(ty0 - y0*(ty2 - ty0)/(y2 - y0)), \ - xl = y1>=0?(y0>=0?(y0==y1?x1:x0):(x0 - y0*(x1 - x0)/(y1 - y0))):(x1 - y1*(x2 - x1)/(y2 - y1)), \ - cl = y1>=0?(y0>=0?(y0==y1?c1:c0):(c0 - y0*(c1 - c0)/(y1 - y0))):(c1 - y1*(c2 - c1)/(y2 - y1)), \ - txl = y1>=0?(y0>=0?(y0==y1?tx1:tx0):(tx0 - y0*(tx1 - tx0)/(y1 - y0))):(tx1 - y1*(tx2 - tx1)/(y2 - y1)), \ - tyl = y1>=0?(y0>=0?(y0==y1?ty1:ty0):(ty0 - y0*(ty1 - ty0)/(y1 - y0))):(ty1 - y1*(ty2 - ty1)/(y2 - y1)), \ - _sxn=1, _scn=1, _stxn=1, _styn=1, \ - _sxr=1, _scr=1, _stxr=1, _styr=1, \ - _sxl=1, _scl=1, _stxl=1, _styl=1, \ - _dxn = x2>x1?x2 - x1:(_sxn=-1,x1 - x2), \ - _dxr = x2>x0?x2 - x0:(_sxr=-1,x0 - x2), \ - _dxl = x1>x0?x1 - x0:(_sxl=-1,x0 - x1), \ - _dcn = c2>c1?c2 - c1:(_scn=-1,c1 - c2), \ - _dcr = c2>c0?c2 - c0:(_scr=-1,c0 - c2), \ - _dcl = c1>c0?c1 - c0:(_scl=-1,c0 - c1), \ - _dtxn = tx2>tx1?tx2 - tx1:(_stxn=-1,tx1 - tx2), \ - _dtxr = tx2>tx0?tx2 - tx0:(_stxr=-1,tx0 - tx2), \ - _dtxl = tx1>tx0?tx1 - tx0:(_stxl=-1,tx0 - tx1), \ - _dtyn = ty2>ty1?ty2 - ty1:(_styn=-1,ty1 - ty2), \ - _dtyr = ty2>ty0?ty2 - ty0:(_styr=-1,ty0 - ty2), \ - _dtyl = ty1>ty0?ty1 - ty0:(_styl=-1,ty0 - ty1), \ - _dyn = y2 - y1, \ - _dyr = y2 - y0, \ - _dyl = y1 - y0, \ - _counter =(_dxn-=_dyn?_dyn*(_dxn/_dyn):0, \ - _dxr-=_dyr?_dyr*(_dxr/_dyr):0, \ - _dxl-=_dyl?_dyl*(_dxl/_dyl):0, \ - _dcn-=_dyn?_dyn*(_dcn/_dyn):0, \ - _dcr-=_dyr?_dyr*(_dcr/_dyr):0, \ - _dcl-=_dyl?_dyl*(_dcl/_dyl):0, \ - _dtxn-=_dyn?_dyn*(_dtxn/_dyn):0, \ - _dtxr-=_dyr?_dyr*(_dtxr/_dyr):0, \ - _dtxl-=_dyl?_dyl*(_dtxl/_dyl):0, \ - _dtyn-=_dyn?_dyn*(_dtyn/_dyn):0, \ - _dtyr-=_dyr?_dyr*(_dtyr/_dyr):0, \ - _dtyl-=_dyl?_dyl*(_dtyl/_dyl):0, \ - cimg::min((int)(img)._height - y - 1,y2 - y)), \ - _errn = _dyn/2, _errcn = _errn, _errtxn = _errn, _errtyn = _errn, \ - _errr = _dyr/2, _errcr = _errr, _errtxr = _errr, _errtyr = _errr, \ - _errl = _dyl/2, _errcl = _errl, _errtxl = _errl, _errtyl = _errl, \ - _rxn = _dyn?(x2 - x1)/_dyn:0, \ - _rcn = _dyn?(c2 - c1)/_dyn:0, \ - _rtxn = _dyn?(tx2 - tx1)/_dyn:0, \ - _rtyn = _dyn?(ty2 - ty1)/_dyn:0, \ - _rxr = _dyr?(x2 - x0)/_dyr:0, \ - _rcr = _dyr?(c2 - c0)/_dyr:0, \ - _rtxr = _dyr?(tx2 - tx0)/_dyr:0, \ - _rtyr = _dyr?(ty2 - ty0)/_dyr:0, \ - _rxl = (y0!=y1 && y1>0)?(_dyl?(x1 - x0)/_dyl:0): \ - (_errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxn), \ - _rcl = (y0!=y1 && y1>0)?(_dyl?(c1 - c0)/_dyl:0): \ - (_errcl=_errcn, _dcl=_dcn, _dyl=_dyn, _scl=_scn, _rcn ), \ - _rtxl = (y0!=y1 && y1>0)?(_dyl?(tx1 - tx0)/_dyl:0): \ - (_errtxl=_errtxn, _dtxl=_dtxn, _dyl=_dyn, _stxl=_stxn, _rtxn ), \ - _rtyl = (y0!=y1 && y1>0)?(_dyl?(ty1 - ty0)/_dyl:0): \ - (_errtyl=_errtyn, _dtyl=_dtyn, _dyl=_dyn, _styl=_styn, _rtyn ); \ - _counter>=0; --_counter, ++y, \ - xr+=_rxr+((_errr-=_dxr)<0?_errr+=_dyr,_sxr:0), \ - cr+=_rcr+((_errcr-=_dcr)<0?_errcr+=_dyr,_scr:0), \ - txr+=_rtxr+((_errtxr-=_dtxr)<0?_errtxr+=_dyr,_stxr:0), \ - tyr+=_rtyr+((_errtyr-=_dtyr)<0?_errtyr+=_dyr,_styr:0), \ - xl+=(y!=y1)?(cl+=_rcl+((_errcl-=_dcl)<0?(_errcl+=_dyl,_scl):0), \ - txl+=_rtxl+((_errtxl-=_dtxl)<0?(_errtxl+=_dyl,_stxl):0), \ - tyl+=_rtyl+((_errtyl-=_dtyl)<0?(_errtyl+=_dyl,_styl):0), \ - _rxl+((_errl-=_dxl)<0?(_errl+=_dyl,_sxl):0)): \ - (_errcl=_errcn, _dcl=_dcn, _dyl=_dyn, _scl=_scn, _rcl=_rcn, cl=c1, \ - _errtxl=_errtxn, _dtxl=_dtxn, _dyl=_dyn, _stxl=_stxn, _rtxl=_rtxn, txl=tx1, \ - _errtyl=_errtyn, _dtyl=_dtyn, _dyl=_dyn, _styl=_styn, _rtyl=_rtyn, tyl=ty1, \ - _errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxl=_rxn, x1 - xl)) - -#define _cimg_for_triangle5(img,xl,txl,tyl,lxl,lyl,xr,txr,tyr,lxr,lyr,y,x0,y0,\ - tx0,ty0,lx0,ly0,x1,y1,tx1,ty1,lx1,ly1,x2,y2,tx2,ty2,lx2,ly2) \ - for (int y = y0<0?0:y0, \ - xr = y0>=0?x0:(x0 - y0*(x2 - x0)/(y2 - y0)), \ - txr = y0>=0?tx0:(tx0 - y0*(tx2 - tx0)/(y2 - y0)), \ - tyr = y0>=0?ty0:(ty0 - y0*(ty2 - ty0)/(y2 - y0)), \ - lxr = y0>=0?lx0:(lx0 - y0*(lx2 - lx0)/(y2 - y0)), \ - lyr = y0>=0?ly0:(ly0 - y0*(ly2 - ly0)/(y2 - y0)), \ - xl = y1>=0?(y0>=0?(y0==y1?x1:x0):(x0 - y0*(x1 - x0)/(y1 - y0))):(x1 - y1*(x2 - x1)/(y2 - y1)), \ - txl = y1>=0?(y0>=0?(y0==y1?tx1:tx0):(tx0 - y0*(tx1 - tx0)/(y1 - y0))):(tx1 - y1*(tx2 - tx1)/(y2 - y1)), \ - tyl = y1>=0?(y0>=0?(y0==y1?ty1:ty0):(ty0 - y0*(ty1 - ty0)/(y1 - y0))):(ty1 - y1*(ty2 - ty1)/(y2 - y1)), \ - lxl = y1>=0?(y0>=0?(y0==y1?lx1:lx0):(lx0 - y0*(lx1 - lx0)/(y1 - y0))):(lx1 - y1*(lx2 - lx1)/(y2 - y1)), \ - lyl = y1>=0?(y0>=0?(y0==y1?ly1:ly0):(ly0 - y0*(ly1 - ly0)/(y1 - y0))):(ly1 - y1*(ly2 - ly1)/(y2 - y1)), \ - _sxn=1, _stxn=1, _styn=1, _slxn=1, _slyn=1, \ - _sxr=1, _stxr=1, _styr=1, _slxr=1, _slyr=1, \ - _sxl=1, _stxl=1, _styl=1, _slxl=1, _slyl=1, \ - _dxn = x2>x1?x2 - x1:(_sxn=-1,x1 - x2), _dyn = y2 - y1, \ - _dxr = x2>x0?x2 - x0:(_sxr=-1,x0 - x2), _dyr = y2 - y0, \ - _dxl = x1>x0?x1 - x0:(_sxl=-1,x0 - x1), _dyl = y1 - y0, \ - _dtxn = tx2>tx1?tx2 - tx1:(_stxn=-1,tx1 - tx2), \ - _dtxr = tx2>tx0?tx2 - tx0:(_stxr=-1,tx0 - tx2), \ - _dtxl = tx1>tx0?tx1 - tx0:(_stxl=-1,tx0 - tx1), \ - _dtyn = ty2>ty1?ty2 - ty1:(_styn=-1,ty1 - ty2), \ - _dtyr = ty2>ty0?ty2 - ty0:(_styr=-1,ty0 - ty2), \ - _dtyl = ty1>ty0?ty1 - ty0:(_styl=-1,ty0 - ty1), \ - _dlxn = lx2>lx1?lx2 - lx1:(_slxn=-1,lx1 - lx2), \ - _dlxr = lx2>lx0?lx2 - lx0:(_slxr=-1,lx0 - lx2), \ - _dlxl = lx1>lx0?lx1 - lx0:(_slxl=-1,lx0 - lx1), \ - _dlyn = ly2>ly1?ly2 - ly1:(_slyn=-1,ly1 - ly2), \ - _dlyr = ly2>ly0?ly2 - ly0:(_slyr=-1,ly0 - ly2), \ - _dlyl = ly1>ly0?ly1 - ly0:(_slyl=-1,ly0 - ly1), \ - _counter =(_dxn-=_dyn?_dyn*(_dxn/_dyn):0, \ - _dxr-=_dyr?_dyr*(_dxr/_dyr):0, \ - _dxl-=_dyl?_dyl*(_dxl/_dyl):0, \ - _dtxn-=_dyn?_dyn*(_dtxn/_dyn):0, \ - _dtxr-=_dyr?_dyr*(_dtxr/_dyr):0, \ - _dtxl-=_dyl?_dyl*(_dtxl/_dyl):0, \ - _dtyn-=_dyn?_dyn*(_dtyn/_dyn):0, \ - _dtyr-=_dyr?_dyr*(_dtyr/_dyr):0, \ - _dtyl-=_dyl?_dyl*(_dtyl/_dyl):0, \ - _dlxn-=_dyn?_dyn*(_dlxn/_dyn):0, \ - _dlxr-=_dyr?_dyr*(_dlxr/_dyr):0, \ - _dlxl-=_dyl?_dyl*(_dlxl/_dyl):0, \ - _dlyn-=_dyn?_dyn*(_dlyn/_dyn):0, \ - _dlyr-=_dyr?_dyr*(_dlyr/_dyr):0, \ - _dlyl-=_dyl?_dyl*(_dlyl/_dyl):0, \ - cimg::min((int)(img)._height - y - 1,y2 - y)), \ - _errn = _dyn/2, _errtxn = _errn, _errtyn = _errn, _errlxn = _errn, _errlyn = _errn, \ - _errr = _dyr/2, _errtxr = _errr, _errtyr = _errr, _errlxr = _errr, _errlyr = _errr, \ - _errl = _dyl/2, _errtxl = _errl, _errtyl = _errl, _errlxl = _errl, _errlyl = _errl, \ - _rxn = _dyn?(x2 - x1)/_dyn:0, \ - _rtxn = _dyn?(tx2 - tx1)/_dyn:0, \ - _rtyn = _dyn?(ty2 - ty1)/_dyn:0, \ - _rlxn = _dyn?(lx2 - lx1)/_dyn:0, \ - _rlyn = _dyn?(ly2 - ly1)/_dyn:0, \ - _rxr = _dyr?(x2 - x0)/_dyr:0, \ - _rtxr = _dyr?(tx2 - tx0)/_dyr:0, \ - _rtyr = _dyr?(ty2 - ty0)/_dyr:0, \ - _rlxr = _dyr?(lx2 - lx0)/_dyr:0, \ - _rlyr = _dyr?(ly2 - ly0)/_dyr:0, \ - _rxl = (y0!=y1 && y1>0)?(_dyl?(x1 - x0)/_dyl:0): \ - (_errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxn), \ - _rtxl = (y0!=y1 && y1>0)?(_dyl?(tx1 - tx0)/_dyl:0): \ - (_errtxl=_errtxn, _dtxl=_dtxn, _dyl=_dyn, _stxl=_stxn, _rtxn ), \ - _rtyl = (y0!=y1 && y1>0)?(_dyl?(ty1 - ty0)/_dyl:0): \ - (_errtyl=_errtyn, _dtyl=_dtyn, _dyl=_dyn, _styl=_styn, _rtyn ), \ - _rlxl = (y0!=y1 && y1>0)?(_dyl?(lx1 - lx0)/_dyl:0): \ - (_errlxl=_errlxn, _dlxl=_dlxn, _dyl=_dyn, _slxl=_slxn, _rlxn ), \ - _rlyl = (y0!=y1 && y1>0)?(_dyl?(ly1 - ly0)/_dyl:0): \ - (_errlyl=_errlyn, _dlyl=_dlyn, _dyl=_dyn, _slyl=_slyn, _rlyn ); \ - _counter>=0; --_counter, ++y, \ - xr+=_rxr+((_errr-=_dxr)<0?_errr+=_dyr,_sxr:0), \ - txr+=_rtxr+((_errtxr-=_dtxr)<0?_errtxr+=_dyr,_stxr:0), \ - tyr+=_rtyr+((_errtyr-=_dtyr)<0?_errtyr+=_dyr,_styr:0), \ - lxr+=_rlxr+((_errlxr-=_dlxr)<0?_errlxr+=_dyr,_slxr:0), \ - lyr+=_rlyr+((_errlyr-=_dlyr)<0?_errlyr+=_dyr,_slyr:0), \ - xl+=(y!=y1)?(txl+=_rtxl+((_errtxl-=_dtxl)<0?(_errtxl+=_dyl,_stxl):0), \ - tyl+=_rtyl+((_errtyl-=_dtyl)<0?(_errtyl+=_dyl,_styl):0), \ - lxl+=_rlxl+((_errlxl-=_dlxl)<0?(_errlxl+=_dyl,_slxl):0), \ - lyl+=_rlyl+((_errlyl-=_dlyl)<0?(_errlyl+=_dyl,_slyl):0), \ - _rxl+((_errl-=_dxl)<0?(_errl+=_dyl,_sxl):0)): \ - (_errtxl=_errtxn, _dtxl=_dtxn, _dyl=_dyn, _stxl=_stxn, _rtxl=_rtxn, txl=tx1, \ - _errtyl=_errtyn, _dtyl=_dtyn, _dyl=_dyn, _styl=_styn, _rtyl=_rtyn, tyl=ty1, \ - _errlxl=_errlxn, _dlxl=_dlxn, _dyl=_dyn, _slxl=_slxn, _rlxl=_rlxn, lxl=lx1, \ - _errlyl=_errlyn, _dlyl=_dlyn, _dyl=_dyn, _slyl=_slyn, _rlyl=_rlyn, lyl=ly1, \ - _errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxl=_rxn, x1 - xl)) - - // [internal] Draw a filled triangle. - template - CImg& _draw_triangle(const int x0, const int y0, - const int x1, const int y1, - const int x2, const int y2, - const tc *const color, const float opacity, - const float brightness) { - cimg_init_scanline(color,opacity); - const float nbrightness = brightness<0?0:(brightness>2?2:brightness); - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2); - if (ny0=0) { - if ((nx1 - nx0)*(ny2 - ny0) - (nx2 - nx0)*(ny1 - ny0)<0) - _cimg_for_triangle1(*this,xl,xr,y,nx0,ny0,nx1,ny1,nx2,ny2) - cimg_draw_scanline(xl,xr,y,color,opacity,nbrightness); - else - _cimg_for_triangle1(*this,xl,xr,y,nx0,ny0,nx1,ny1,nx2,ny2) - cimg_draw_scanline(xr,xl,y,color,opacity,nbrightness); - } - return *this; - } - - //! Draw a filled 2d triangle. - /** - \param x0 X-coordinate of the first vertex. - \param y0 Y-coordinate of the first vertex. - \param x1 X-coordinate of the second vertex. - \param y1 Y-coordinate of the second vertex. - \param x2 X-coordinate of the third vertex. - \param y2 Y-coordinate of the third vertex. - \param color Pointer to \c spectrum() consecutive values of type \c T, defining the drawing color. - \param opacity Drawing opacity. - **/ - template - CImg& draw_triangle(const int x0, const int y0, - const int x1, const int y1, - const int x2, const int y2, - const tc *const color, const float opacity=1) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Specified color is (null).", - cimg_instance); - _draw_triangle(x0,y0,x1,y1,x2,y2,color,opacity,1); - return *this; - } - - //! Draw a outlined 2d triangle. - /** - \param x0 X-coordinate of the first vertex. - \param y0 Y-coordinate of the first vertex. - \param x1 X-coordinate of the second vertex. - \param y1 Y-coordinate of the second vertex. - \param x2 X-coordinate of the third vertex. - \param y2 Y-coordinate of the third vertex. - \param color Pointer to \c spectrum() consecutive values of type \c T, defining the drawing color. - \param opacity Drawing opacity. - \param pattern An integer whose bits describe the outline pattern. - **/ - template - CImg& draw_triangle(const int x0, const int y0, - const int x1, const int y1, - const int x2, const int y2, - const tc *const color, const float opacity, - const unsigned int pattern) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Specified color is (null).", - cimg_instance); - draw_line(x0,y0,x1,y1,color,opacity,pattern,true). - draw_line(x1,y1,x2,y2,color,opacity,pattern,false). - draw_line(x2,y2,x0,y0,color,opacity,pattern,false); - return *this; - } - - //! Draw a filled 2d triangle, with z-buffering. - /** - \param zbuffer Z-buffer image. - \param x0 X-coordinate of the first vertex. - \param y0 Y-coordinate of the first vertex. - \param z0 Z-coordinate of the first vertex. - \param x1 X-coordinate of the second vertex. - \param y1 Y-coordinate of the second vertex. - \param z1 Z-coordinate of the second vertex. - \param x2 X-coordinate of the third vertex. - \param y2 Y-coordinate of the third vertex. - \param z2 Z-coordinate of the third vertex. - \param color Pointer to \c spectrum() consecutive values of type \c T, defining the drawing color. - \param opacity Drawing opacity. - \param brightness Brightness factor. - **/ - template - CImg& draw_triangle(CImg& zbuffer, - const int x0, const int y0, const float z0, - const int x1, const int y1, const float z1, - const int x2, const int y2, const float z2, - const tc *const color, const float opacity=1, - const float brightness=1) { - typedef typename cimg::superset::type tzfloat; - if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Specified color is (null).", - cimg_instance); - if (!is_sameXY(zbuffer)) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Instance and specified Z-buffer (%u,%u,%u,%u,%p) have " - "different dimensions.", - cimg_instance, - zbuffer._width,zbuffer._height,zbuffer._depth,zbuffer._spectrum,zbuffer._data); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float - nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0), - nbrightness = brightness<0?0:(brightness>2?2:brightness); - const long whd = width()*height()*depth(), offx = spectrum()*whd; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2; - tzfloat nz0 = 1/(tzfloat)z0, nz1 = 1/(tzfloat)z1, nz2 = 1/(tzfloat)z2; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,nz0,nz1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,nz0,nz2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,nz1,nz2); - if (ny0>=height() || ny2<0) return *this; - tzfloat - pzl = (nz1 - nz0)/(ny1 - ny0), - pzr = (nz2 - nz0)/(ny2 - ny0), - pzn = (nz2 - nz1)/(ny2 - ny1), - zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), - zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))); - _cimg_for_triangle1(*this,xleft0,xright0,y,nx0,ny0,nx1,ny1,nx2,ny2) { - if (y==ny1) { zl = nz1; pzl = pzn; } - int xleft = xleft0, xright = xright0; - tzfloat zleft = zl, zright = zr; - if (xright=width() - 1) xright = width() - 1; - T* ptrd = data(xleft,y,0,0); - tz *ptrz = xleft<=xright?zbuffer.data(xleft,y):0; - if (opacity>=1) { - if (nbrightness==1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tc *col = color; cimg_forC(*this,c) { *ptrd = (T)*(col++); ptrd+=whd; } - ptrd-=offx; - } - zleft+=pentez; - } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tc *col = color; cimg_forC(*this,c) { *ptrd = (T)(nbrightness*(*col++)); ptrd+=whd; } - ptrd-=offx; - } - zleft+=pentez; - } else for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tc *col = color; - cimg_forC(*this,c) { *ptrd = (T)((2 - nbrightness)**(col++) + (nbrightness - 1)*maxval); ptrd+=whd; } - ptrd-=offx; - } - zleft+=pentez; - } - } else { - if (nbrightness==1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tc *col = color; cimg_forC(*this,c) { *ptrd = (T)(nopacity**(col++) + *ptrd*copacity); ptrd+=whd; } - ptrd-=offx; - } - zleft+=pentez; - } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tc *col = color; - cimg_forC(*this,c) { *ptrd = (T)(nopacity*nbrightness**(col++) + *ptrd*copacity); ptrd+=whd; } - ptrd-=offx; - } - zleft+=pentez; - } else for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tc *col = color; - cimg_forC(*this,c) { - const T val = (T)((2 - nbrightness)**(col++) + (nbrightness - 1)*maxval); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; - } - ptrd-=offx; - } - zleft+=pentez; - } - } - zr+=pzr; zl+=pzl; - } - return *this; - } - - //! Draw a Gouraud-shaded 2d triangle. - /** - \param x0 X-coordinate of the first vertex in the image instance. - \param y0 Y-coordinate of the first vertex in the image instance. - \param x1 X-coordinate of the second vertex in the image instance. - \param y1 Y-coordinate of the second vertex in the image instance. - \param x2 X-coordinate of the third vertex in the image instance. - \param y2 Y-coordinate of the third vertex in the image instance. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param brightness0 Brightness factor of the first vertex (in [0,2]). - \param brightness1 brightness factor of the second vertex (in [0,2]). - \param brightness2 brightness factor of the third vertex (in [0,2]). - \param opacity Drawing opacity. - **/ - template - CImg& draw_triangle(const int x0, const int y0, - const int x1, const int y1, - const int x2, const int y2, - const tc *const color, - const float brightness0, - const float brightness1, - const float brightness2, - const float opacity=1) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Specified color is (null).", - cimg_instance); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - const long whd = width()*height()*depth(), offx = spectrum()*whd - 1; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, - nc0 = (int)((brightness0<0.0f?0.0f:(brightness0>2.0f?2.0f:brightness0))*256.0f), - nc1 = (int)((brightness1<0.0f?0.0f:(brightness1>2.0f?2.0f:brightness1))*256.0f), - nc2 = (int)((brightness2<0.0f?0.0f:(brightness2>2.0f?2.0f:brightness2))*256.0f); - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,nc0,nc1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,nc0,nc2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,nc1,nc2); - if (ny0>=height() || ny2<0) return *this; - _cimg_for_triangle2(*this,xleft0,cleft0,xright0,cright0,y,nx0,ny0,nc0,nx1,ny1,nc1,nx2,ny2,nc2) { - int xleft = xleft0, xright = xright0, cleft = cleft0, cright = cright0; - if (xrightcleft?cright - cleft:cleft - cright, - rc = dx?(cright - cleft)/dx:0, - sc = cright>cleft?1:-1, - ndc = dc - (dx?dx*(dc/dx):0); - int errc = dx>>1; - if (xleft<0 && dx) cleft-=xleft*(cright - cleft)/dx; - if (xleft<0) xleft = 0; - if (xright>=width() - 1) xright = width() - 1; - T* ptrd = data(xleft,y); - if (opacity>=1) for (int x = xleft; x<=xright; ++x) { - const tc *col = color; - cimg_forC(*this,c) { - *ptrd = (T)(cleft<256?cleft**(col++)/256:((512 - cleft)**(col++)+(cleft - 256)*maxval)/256); - ptrd+=whd; - } - ptrd-=offx; - cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); - } else for (int x = xleft; x<=xright; ++x) { - const tc *col = color; - cimg_forC(*this,c) { - const T val = (T)(cleft<256?cleft**(col++)/256:((512 - cleft)**(col++)+(cleft - 256)*maxval)/256); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; - } - ptrd-=offx; - cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); - } - } - return *this; - } - - //! Draw a Gouraud-shaded 2d triangle, with z-buffering \overloading. - template - CImg& draw_triangle(CImg& zbuffer, - const int x0, const int y0, const float z0, - const int x1, const int y1, const float z1, - const int x2, const int y2, const float z2, - const tc *const color, - const float brightness0, - const float brightness1, - const float brightness2, - const float opacity=1) { - typedef typename cimg::superset::type tzfloat; - if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Specified color is (null).", - cimg_instance); - if (!is_sameXY(zbuffer)) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Instance and specified Z-buffer (%u,%u,%u,%u,%p) have " - "different dimensions.", - cimg_instance, - zbuffer._width,zbuffer._height,zbuffer._depth,zbuffer._spectrum,zbuffer._data); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - const long whd = width()*height()*depth(), offx = spectrum()*whd; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, - nc0 = (int)((brightness0<0.0f?0.0f:(brightness0>2.0f?2.0f:brightness0))*256.0f), - nc1 = (int)((brightness1<0.0f?0.0f:(brightness1>2.0f?2.0f:brightness1))*256.0f), - nc2 = (int)((brightness2<0.0f?0.0f:(brightness2>2.0f?2.0f:brightness2))*256.0f); - tzfloat nz0 = 1/(tzfloat)z0, nz1 = 1/(tzfloat)z1, nz2 = 1/(tzfloat)z2; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,nz0,nz1,nc0,nc1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,nz0,nz2,nc0,nc2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,nz1,nz2,nc1,nc2); - if (ny0>=height() || ny2<0) return *this; - tzfloat - pzl = (nz1 - nz0)/(ny1 - ny0), - pzr = (nz2 - nz0)/(ny2 - ny0), - pzn = (nz2 - nz1)/(ny2 - ny1), - zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), - zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))); - _cimg_for_triangle2(*this,xleft0,cleft0,xright0,cright0,y,nx0,ny0,nc0,nx1,ny1,nc1,nx2,ny2,nc2) { - if (y==ny1) { zl = nz1; pzl = pzn; } - int xleft = xleft0, xright = xright0, cleft = cleft0, cright = cright0; - tzfloat zleft = zl, zright = zr; - if (xrightcleft?cright - cleft:cleft - cright, - rc = dx?(cright - cleft)/dx:0, - sc = cright>cleft?1:-1, - ndc = dc - (dx?dx*(dc/dx):0); - const tzfloat pentez = (zright - zleft)/dx; - int errc = dx>>1; - if (xleft<0 && dx) { - cleft-=xleft*(cright - cleft)/dx; - zleft-=xleft*(zright - zleft)/dx; - } - if (xleft<0) xleft = 0; - if (xright>=width() - 1) xright = width() - 1; - T *ptrd = data(xleft,y); - tz *ptrz = xleft<=xright?zbuffer.data(xleft,y):0; - if (opacity>=1) for (int x = xleft; x<=xright; ++x, ++ptrd, ++ptrz) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tc *col = color; - cimg_forC(*this,c) { - *ptrd = (T)(cleft<256?cleft**(col++)/256:((512 - cleft)**(col++)+(cleft - 256)*maxval)/256); - ptrd+=whd; - } - ptrd-=offx; - } - zleft+=pentez; - cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); - } else for (int x = xleft; x<=xright; ++x, ++ptrd, ++ptrz) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tc *col = color; - cimg_forC(*this,c) { - const T val = (T)(cleft<256?cleft**(col++)/256:((512 - cleft)**(col++)+(cleft - 256)*maxval)/256); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; - } - ptrd-=offx; - } - zleft+=pentez; - cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); - } - zr+=pzr; zl+=pzl; - } - return *this; - } - - //! Draw a color-interpolated 2d triangle. - /** - \param x0 X-coordinate of the first vertex in the image instance. - \param y0 Y-coordinate of the first vertex in the image instance. - \param x1 X-coordinate of the second vertex in the image instance. - \param y1 Y-coordinate of the second vertex in the image instance. - \param x2 X-coordinate of the third vertex in the image instance. - \param y2 Y-coordinate of the third vertex in the image instance. - \param color1 Pointer to \c spectrum() consecutive values of type \c T, defining the color of the first vertex. - \param color2 Pointer to \c spectrum() consecutive values of type \c T, defining the color of the seconf vertex. - \param color3 Pointer to \c spectrum() consecutive values of type \c T, defining the color of the third vertex. - \param opacity Drawing opacity. - **/ - template - CImg& draw_triangle(const int x0, const int y0, - const int x1, const int y1, - const int x2, const int y2, - const tc1 *const color1, - const tc2 *const color2, - const tc3 *const color3, - const float opacity=1) { - const unsigned char one = 1; - cimg_forC(*this,c) - get_shared_channel(c).draw_triangle(x0,y0,x1,y1,x2,y2,&one,color1[c],color2[c],color3[c],opacity); - return *this; - } - - //! Draw a textured 2d triangle. - /** - \param x0 X-coordinate of the first vertex in the image instance. - \param y0 Y-coordinate of the first vertex in the image instance. - \param x1 X-coordinate of the second vertex in the image instance. - \param y1 Y-coordinate of the second vertex in the image instance. - \param x2 X-coordinate of the third vertex in the image instance. - \param y2 Y-coordinate of the third vertex in the image instance. - \param texture Texture image used to fill the triangle. - \param tx0 X-coordinate of the first vertex in the texture image. - \param ty0 Y-coordinate of the first vertex in the texture image. - \param tx1 X-coordinate of the second vertex in the texture image. - \param ty1 Y-coordinate of the second vertex in the texture image. - \param tx2 X-coordinate of the third vertex in the texture image. - \param ty2 Y-coordinate of the third vertex in the texture image. - \param opacity Drawing opacity. - \param brightness Brightness factor of the drawing (in [0,2]). - **/ - template - CImg& draw_triangle(const int x0, const int y0, - const int x1, const int y1, - const int x2, const int y2, - const CImg& texture, - const int tx0, const int ty0, - const int tx1, const int ty1, - const int tx2, const int ty2, - const float opacity=1, - const float brightness=1) { - if (is_empty()) return *this; - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (is_overlapped(texture)) - return draw_triangle(x0,y0,x1,y1,x2,y2,+texture,tx0,ty0,tx1,ty1,tx2,ty2,opacity,brightness); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float - nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0), - nbrightness = brightness<0?0:(brightness>2?2:brightness); - const unsigned long - whd = (unsigned long)_width*_height*_depth, - twh = (unsigned long)texture._width*texture._height, - offx = _spectrum*whd - 1; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, - ntx0 = tx0, nty0 = ty0, ntx1 = tx1, nty1 = ty1, ntx2 = tx2, nty2 = ty2; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2); - if (ny0>=height() || ny2<0) return *this; - _cimg_for_triangle3(*this,xleft0,txleft0,tyleft0,xright0,txright0,tyright0,y, - nx0,ny0,ntx0,nty0,nx1,ny1,ntx1,nty1,nx2,ny2,ntx2,nty2) { - int - xleft = xleft0, xright = xright0, - txleft = txleft0, txright = txright0, - tyleft = tyleft0, tyright = tyright0; - if (xrighttxleft?txright - txleft:txleft - txright, - dty = tyright>tyleft?tyright - tyleft:tyleft - tyright, - rtx = dx?(txright - txleft)/dx:0, - rty = dx?(tyright - tyleft)/dx:0, - stx = txright>txleft?1:-1, - sty = tyright>tyleft?1:-1, - ndtx = dtx - (dx?dx*(dtx/dx):0), - ndty = dty - (dx?dx*(dty/dx):0); - int errtx = dx>>1, errty = errtx; - if (xleft<0 && dx) { - txleft-=xleft*(txright - txleft)/dx; - tyleft-=xleft*(tyright - tyleft)/dx; - } - if (xleft<0) xleft = 0; - if (xright>=width() - 1) xright = width() - 1; - T* ptrd = data(xleft,y,0,0); - if (opacity>=1) { - if (nbrightness==1) for (int x = xleft; x<=xright; ++x) { - const tc *col = &texture._atXY(txleft,tyleft); - cimg_forC(*this,c) { - *ptrd = (T)*col; - ptrd+=whd; col+=twh; - } - ptrd-=offx; - txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); - tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); - } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x) { - const tc *col = &texture._atXY(txleft,tyleft); - cimg_forC(*this,c) { - *ptrd = (T)(nbrightness**col); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); - tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); - } else for (int x = xleft; x<=xright; ++x) { - const tc *col = &texture._atXY(txleft,tyleft); - cimg_forC(*this,c) { - *ptrd = (T)((2 - nbrightness)**(col++) + (nbrightness - 1)*maxval); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); - tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); - } - } else { - if (nbrightness==1) for (int x = xleft; x<=xright; ++x) { - const tc *col = &texture._atXY(txleft,tyleft); - cimg_forC(*this,c) { - *ptrd = (T)(nopacity**col + *ptrd*copacity); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); - tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); - } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x) { - const tc *col = &texture._atXY(txleft,tyleft); - cimg_forC(*this,c) { - *ptrd = (T)(nopacity*nbrightness**col + *ptrd*copacity); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); - tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); - } else for (int x = xleft; x<=xright; ++x) { - const tc *col = &texture._atXY(txleft,tyleft); - cimg_forC(*this,c) { - const T val = (T)((2 - nbrightness)**(col++) + (nbrightness - 1)*maxval); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); - tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); - } - } - } - return *this; - } - - //! Draw a 2d textured triangle, with perspective correction. - template - CImg& draw_triangle(const int x0, const int y0, const float z0, - const int x1, const int y1, const float z1, - const int x2, const int y2, const float z2, - const CImg& texture, - const int tx0, const int ty0, - const int tx1, const int ty1, - const int tx2, const int ty2, - const float opacity=1, - const float brightness=1) { - if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (is_overlapped(texture)) - return draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,+texture,tx0,ty0,tx1,ty1,tx2,ty2,opacity,brightness); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float - nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0), - nbrightness = brightness<0?0:(brightness>2?2:brightness); - const unsigned long - whd = (unsigned long)_width*_height*_depth, - twh = (unsigned long)texture._width*texture._height, - offx = _spectrum*whd - 1; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2; - float - ntx0 = tx0/z0, nty0 = ty0/z0, - ntx1 = tx1/z1, nty1 = ty1/z1, - ntx2 = tx2/z2, nty2 = ty2/z2, - nz0 = 1/z0, nz1 = 1/z1, nz2 = 1/z2; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nz0,nz1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nz0,nz2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nz1,nz2); - if (ny0>=height() || ny2<0) return *this; - float - ptxl = (ntx1 - ntx0)/(ny1 - ny0), - ptxr = (ntx2 - ntx0)/(ny2 - ny0), - ptxn = (ntx2 - ntx1)/(ny2 - ny1), - ptyl = (nty1 - nty0)/(ny1 - ny0), - ptyr = (nty2 - nty0)/(ny2 - ny0), - ptyn = (nty2 - nty1)/(ny2 - ny1), - pzl = (nz1 - nz0)/(ny1 - ny0), - pzr = (nz2 - nz0)/(ny2 - ny0), - pzn = (nz2 - nz1)/(ny2 - ny1), - zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), - txr = ny0>=0?ntx0:(ntx0 - ny0*(ntx2 - ntx0)/(ny2 - ny0)), - tyr = ny0>=0?nty0:(nty0 - ny0*(nty2 - nty0)/(ny2 - ny0)), - zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))), - txl = ny1>=0?(ny0>=0?ntx0:(ntx0 - ny0*(ntx1 - ntx0)/(ny1 - ny0))): - (ptxl=ptxn,(ntx1 - ny1*(ntx2 - ntx1)/(ny2 - ny1))), - tyl = ny1>=0?(ny0>=0?nty0:(nty0 - ny0*(nty1 - nty0)/(ny1 - ny0))): - (ptyl=ptyn,(nty1 - ny1*(nty2 - nty1)/(ny2 - ny1))); - _cimg_for_triangle1(*this,xleft0,xright0,y,nx0,ny0,nx1,ny1,nx2,ny2) { - if (y==ny1) { zl = nz1; txl = ntx1; tyl = nty1; pzl = pzn; ptxl = ptxn; ptyl = ptyn; } - int xleft = xleft0, xright = xright0; - float - zleft = zl, zright = zr, - txleft = txl, txright = txr, - tyleft = tyl, tyright = tyr; - if (xright=width() - 1) xright = width() - 1; - T* ptrd = data(xleft,y,0,0); - if (opacity>=1) { - if (nbrightness==1) for (int x = xleft; x<=xright; ++x) { - const float invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - *ptrd = (T)*col; - ptrd+=whd; col+=twh; - } - ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - } else if (nbrightness<1) for (int x=xleft; x<=xright; ++x) { - const float invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - *ptrd = (T)(nbrightness**col); - ptrd+=whd; col+=twh; - } - ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - } else for (int x = xleft; x<=xright; ++x) { - const float invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - *ptrd = (T)((2 - nbrightness)**col + (nbrightness - 1)*maxval); - ptrd+=whd; col+=twh; - } - ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - } - } else { - if (nbrightness==1) for (int x = xleft; x<=xright; ++x) { - const float invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - *ptrd = (T)(nopacity**col + *ptrd*copacity); - ptrd+=whd; col+=twh; - } - ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x) { - const float invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - *ptrd = (T)(nopacity*nbrightness**col + *ptrd*copacity); - ptrd+=whd; col+=twh; - } - ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - } else for (int x = xleft; x<=xright; ++x) { - const float invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - const T val = (T)((2 - nbrightness)**col + (nbrightness - 1)*maxval); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; col+=twh; - } - ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - } - } - zr+=pzr; txr+=ptxr; tyr+=ptyr; zl+=pzl; txl+=ptxl; tyl+=ptyl; - } - return *this; - } - - //! Draw a textured 2d triangle, with perspective correction and z-buffering. - template - CImg& draw_triangle(CImg& zbuffer, - const int x0, const int y0, const float z0, - const int x1, const int y1, const float z1, - const int x2, const int y2, const float z2, - const CImg& texture, - const int tx0, const int ty0, - const int tx1, const int ty1, - const int tx2, const int ty2, - const float opacity=1, - const float brightness=1) { - typedef typename cimg::superset::type tzfloat; - if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; - if (!is_sameXY(zbuffer)) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Instance and specified Z-buffer (%u,%u,%u,%u,%p) have " - "different dimensions.", - cimg_instance, - zbuffer._width,zbuffer._height,zbuffer._depth,zbuffer._spectrum,zbuffer._data); - - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (is_overlapped(texture)) - return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,+texture,tx0,ty0,tx1,ty1,tx2,ty2,opacity,brightness); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float - nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0), - nbrightness = brightness<0?0:(brightness>2?2:brightness); - const unsigned long - whd = (unsigned long)_width*_height*_depth, - twh = (unsigned long)texture._width*texture._height, - offx = _spectrum*whd; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2; - float - ntx0 = tx0/z0, nty0 = ty0/z0, - ntx1 = tx1/z1, nty1 = ty1/z1, - ntx2 = tx2/z2, nty2 = ty2/z2; - tzfloat nz0 = 1/(tzfloat)z0, nz1 = 1/(tzfloat)z1, nz2 = 1/(tzfloat)z2; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nz0,nz1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nz0,nz2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nz1,nz2); - if (ny0>=height() || ny2<0) return *this; - float - ptxl = (ntx1 - ntx0)/(ny1 - ny0), - ptxr = (ntx2 - ntx0)/(ny2 - ny0), - ptxn = (ntx2 - ntx1)/(ny2 - ny1), - ptyl = (nty1 - nty0)/(ny1 - ny0), - ptyr = (nty2 - nty0)/(ny2 - ny0), - ptyn = (nty2 - nty1)/(ny2 - ny1), - txr = ny0>=0?ntx0:(ntx0 - ny0*(ntx2 - ntx0)/(ny2 - ny0)), - tyr = ny0>=0?nty0:(nty0 - ny0*(nty2 - nty0)/(ny2 - ny0)), - txl = ny1>=0?(ny0>=0?ntx0:(ntx0 - ny0*(ntx1 - ntx0)/(ny1 - ny0))): - (ptxl=ptxn,(ntx1 - ny1*(ntx2 - ntx1)/(ny2 - ny1))), - tyl = ny1>=0?(ny0>=0?nty0:(nty0 - ny0*(nty1 - nty0)/(ny1 - ny0))): - (ptyl=ptyn,(nty1 - ny1*(nty2 - nty1)/(ny2 - ny1))); - tzfloat - pzl = (nz1 - nz0)/(ny1 - ny0), - pzr = (nz2 - nz0)/(ny2 - ny0), - pzn = (nz2 - nz1)/(ny2 - ny1), - zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), - zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))); - _cimg_for_triangle1(*this,xleft0,xright0,y,nx0,ny0,nx1,ny1,nx2,ny2) { - if (y==ny1) { zl = nz1; txl = ntx1; tyl = nty1; pzl = pzn; ptxl = ptxn; ptyl = ptyn; } - int xleft = xleft0, xright = xright0; - float txleft = txl, txright = txr, tyleft = tyl, tyright = tyr; - tzfloat zleft = zl, zright = zr; - if (xright=width() - 1) xright = width() - 1; - T *ptrd = data(xleft,y,0,0); - tz *ptrz = zbuffer.data(xleft,y); - if (opacity>=1) { - if (nbrightness==1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tzfloat invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - *ptrd = (T)*col; - ptrd+=whd; col+=twh; - } - ptrd-=offx; - } - zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tzfloat invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - *ptrd = (T)(nbrightness**col); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - } - zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - } else for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tzfloat invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - *ptrd = (T)((2 - nbrightness)**col + (nbrightness - 1)*maxval); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - } - zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - } - } else { - if (nbrightness==1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tzfloat invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - *ptrd = (T)(nopacity**col + *ptrd*copacity); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - } - zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tzfloat invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - *ptrd = (T)(nopacity*nbrightness**col + *ptrd*copacity); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - } - zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - } else for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tzfloat invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - const T val = (T)((2 - nbrightness)**col + (nbrightness - 1)*maxval); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - } - zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - } - } - zr+=pzr; txr+=ptxr; tyr+=ptyr; zl+=pzl; txl+=ptxl; tyl+=ptyl; - } - return *this; - } - - //! Draw a Phong-shaded 2d triangle. - /** - \param x0 X-coordinate of the first vertex in the image instance. - \param y0 Y-coordinate of the first vertex in the image instance. - \param x1 X-coordinate of the second vertex in the image instance. - \param y1 Y-coordinate of the second vertex in the image instance. - \param x2 X-coordinate of the third vertex in the image instance. - \param y2 Y-coordinate of the third vertex in the image instance. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param light Light image. - \param lx0 X-coordinate of the first vertex in the light image. - \param ly0 Y-coordinate of the first vertex in the light image. - \param lx1 X-coordinate of the second vertex in the light image. - \param ly1 Y-coordinate of the second vertex in the light image. - \param lx2 X-coordinate of the third vertex in the light image. - \param ly2 Y-coordinate of the third vertex in the light image. - \param opacity Drawing opacity. - **/ - template - CImg& draw_triangle(const int x0, const int y0, - const int x1, const int y1, - const int x2, const int y2, - const tc *const color, - const CImg& light, - const int lx0, const int ly0, - const int lx1, const int ly1, - const int lx2, const int ly2, - const float opacity=1) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Specified color is (null).", - cimg_instance); - if (light._depth>1 || light._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified light texture (%u,%u,%u,%u,%p).", - cimg_instance,light._width,light._height,light._depth,light._spectrum,light._data); - if (is_overlapped(light)) return draw_triangle(x0,y0,x1,y1,x2,y2,color,+light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, - nlx0 = lx0, nly0 = ly0, nlx1 = lx1, nly1 = ly1, nlx2 = lx2, nly2 = ly2; - const unsigned long - whd = (unsigned long)_width*_height*_depth, - lwh = (unsigned long)light._width*light._height, - offx = _spectrum*whd - 1; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,nlx0,nlx1,nly0,nly1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,nlx0,nlx2,nly0,nly2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,nlx1,nlx2,nly1,nly2); - if (ny0>=height() || ny2<0) return *this; - _cimg_for_triangle3(*this,xleft0,lxleft0,lyleft0,xright0,lxright0,lyright0,y, - nx0,ny0,nlx0,nly0,nx1,ny1,nlx1,nly1,nx2,ny2,nlx2,nly2) { - int - xleft = xleft0, xright = xright0, - lxleft = lxleft0, lxright = lxright0, - lyleft = lyleft0, lyright = lyright0; - if (xrightlxleft?lxright - lxleft:lxleft - lxright, - dly = lyright>lyleft?lyright - lyleft:lyleft - lyright, - rlx = dx?(lxright - lxleft)/dx:0, - rly = dx?(lyright - lyleft)/dx:0, - slx = lxright>lxleft?1:-1, - sly = lyright>lyleft?1:-1, - ndlx = dlx - (dx?dx*(dlx/dx):0), - ndly = dly - (dx?dx*(dly/dx):0); - int errlx = dx>>1, errly = errlx; - if (xleft<0 && dx) { - lxleft-=xleft*(lxright - lxleft)/dx; - lyleft-=xleft*(lyright - lyleft)/dx; - } - if (xleft<0) xleft = 0; - if (xright>=width() - 1) xright = width() - 1; - T* ptrd = data(xleft,y,0,0); - if (opacity>=1) for (int x = xleft; x<=xright; ++x) { - const tc *col = color; - const tl *lig = &light._atXY(lxleft,lyleft); - cimg_forC(*this,c) { - const tl l = *lig; - *ptrd = (T)(l<1?l**(col++):((2 - l)**(col++) + (l - 1)*maxval)); - ptrd+=whd; lig+=lwh; - } - ptrd-=offx; - lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); - lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); - } else for (int x = xleft; x<=xright; ++x) { - const tc *col = color; - const tl *lig = &light._atXY(lxleft,lyleft); - cimg_forC(*this,c) { - const tl l = *lig; - const T val = (T)(l<1?l**(col++):((2 - l)**(col++) + (l - 1)*maxval)); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; lig+=lwh; - } - ptrd-=offx; - lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); - lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); - } - } - return *this; - } - - //! Draw a Phong-shaded 2d triangle, with z-buffering. - template - CImg& draw_triangle(CImg& zbuffer, - const int x0, const int y0, const float z0, - const int x1, const int y1, const float z1, - const int x2, const int y2, const float z2, - const tc *const color, - const CImg& light, - const int lx0, const int ly0, - const int lx1, const int ly1, - const int lx2, const int ly2, - const float opacity=1) { - typedef typename cimg::superset::type tzfloat; - if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Specified color is (null).", - cimg_instance); - if (light._depth>1 || light._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified light texture (%u,%u,%u,%u,%p).", - cimg_instance,light._width,light._height,light._depth,light._spectrum,light._data); - if (!is_sameXY(zbuffer)) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Instance and specified Z-buffer (%u,%u,%u,%u,%p) have " - "different dimensions.", - cimg_instance, - zbuffer._width,zbuffer._height,zbuffer._depth,zbuffer._spectrum,zbuffer._data); - if (is_overlapped(light)) return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color, - +light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - const unsigned long - whd = (unsigned long)_width*_height*_depth, - lwh = (unsigned long)light._width*light._height, - offx = _spectrum*whd; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, - nlx0 = lx0, nly0 = ly0, nlx1 = lx1, nly1 = ly1, nlx2 = lx2, nly2 = ly2; - tzfloat nz0 = 1/(tzfloat)z0, nz1 = 1/(tzfloat)z1, nz2 = 1/(tzfloat)z2; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,nlx0,nlx1,nly0,nly1,nz0,nz1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,nlx0,nlx2,nly0,nly2,nz0,nz2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,nlx1,nlx2,nly1,nly2,nz1,nz2); - if (ny0>=height() || ny2<0) return *this; - tzfloat - pzl = (nz1 - nz0)/(ny1 - ny0), - pzr = (nz2 - nz0)/(ny2 - ny0), - pzn = (nz2 - nz1)/(ny2 - ny1), - zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), - zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))); - _cimg_for_triangle3(*this,xleft0,lxleft0,lyleft0,xright0,lxright0,lyright0,y, - nx0,ny0,nlx0,nly0,nx1,ny1,nlx1,nly1,nx2,ny2,nlx2,nly2) { - if (y==ny1) { zl = nz1; pzl = pzn; } - int - xleft = xleft0, xright = xright0, - lxleft = lxleft0, lxright = lxright0, - lyleft = lyleft0, lyright = lyright0; - tzfloat zleft = zl, zright = zr; - if (xrightlxleft?lxright - lxleft:lxleft - lxright, - dly = lyright>lyleft?lyright - lyleft:lyleft - lyright, - rlx = dx?(lxright - lxleft)/dx:0, - rly = dx?(lyright - lyleft)/dx:0, - slx = lxright>lxleft?1:-1, - sly = lyright>lyleft?1:-1, - ndlx = dlx - (dx?dx*(dlx/dx):0), - ndly = dly - (dx?dx*(dly/dx):0); - const tzfloat pentez = (zright - zleft)/dx; - int errlx = dx>>1, errly = errlx; - if (xleft<0 && dx) { - zleft-=xleft*(zright - zleft)/dx; - lxleft-=xleft*(lxright - lxleft)/dx; - lyleft-=xleft*(lyright - lyleft)/dx; - } - if (xleft<0) xleft = 0; - if (xright>=width() - 1) xright = width() - 1; - T *ptrd = data(xleft,y,0,0); - tz *ptrz = xleft<=xright?zbuffer.data(xleft,y):0; - if (opacity>=1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tc *col = color; - const tl *lig = &light._atXY(lxleft,lyleft); - cimg_forC(*this,c) { - const tl l = *lig; - const tc cval = *(col++); - *ptrd = (T)(l<1?l*cval:(2 - l)*cval + (l - 1)*maxval); - ptrd+=whd; lig+=lwh; - } - ptrd-=offx; - } - zleft+=pentez; - lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); - lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); - } else for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tc *col = color; - const tl *lig = &light._atXY(lxleft,lyleft); - cimg_forC(*this,c) { - const tl l = *lig; - const tc cval = *(col++); - const T val = (T)(l<1?l*cval:(2 - l)*cval + (l - 1)*maxval); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; lig+=lwh; - } - ptrd-=offx; - } - zleft+=pentez; - lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); - lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); - } - zr+=pzr; zl+=pzl; - } - return *this; - } - - //! Draw a textured Gouraud-shaded 2d triangle. - /** - \param x0 X-coordinate of the first vertex in the image instance. - \param y0 Y-coordinate of the first vertex in the image instance. - \param x1 X-coordinate of the second vertex in the image instance. - \param y1 Y-coordinate of the second vertex in the image instance. - \param x2 X-coordinate of the third vertex in the image instance. - \param y2 Y-coordinate of the third vertex in the image instance. - \param texture Texture image used to fill the triangle. - \param tx0 X-coordinate of the first vertex in the texture image. - \param ty0 Y-coordinate of the first vertex in the texture image. - \param tx1 X-coordinate of the second vertex in the texture image. - \param ty1 Y-coordinate of the second vertex in the texture image. - \param tx2 X-coordinate of the third vertex in the texture image. - \param ty2 Y-coordinate of the third vertex in the texture image. - \param brightness0 Brightness factor of the first vertex. - \param brightness1 Brightness factor of the second vertex. - \param brightness2 Brightness factor of the third vertex. - \param opacity Drawing opacity. - **/ - template - CImg& draw_triangle(const int x0, const int y0, - const int x1, const int y1, - const int x2, const int y2, - const CImg& texture, - const int tx0, const int ty0, - const int tx1, const int ty1, - const int tx2, const int ty2, - const float brightness0, - const float brightness1, - const float brightness2, - const float opacity=1) { - if (is_empty()) return *this; - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (is_overlapped(texture)) - return draw_triangle(x0,y0,x1,y1,x2,y2,+texture,tx0,ty0,tx1,ty1,tx2,ty2, - brightness0,brightness1,brightness2,opacity); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - const unsigned long - whd = (unsigned long)_width*_height*_depth, - twh = (unsigned long)texture._width*texture._height, - offx = _spectrum*whd - 1; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, - ntx0 = tx0, nty0 = ty0, ntx1 = tx1, nty1 = ty1, ntx2 = tx2, nty2 = ty2, - nc0 = (int)((brightness0<0.0f?0.0f:(brightness0>2.0f?2.0f:brightness0))*256.0f), - nc1 = (int)((brightness1<0.0f?0.0f:(brightness1>2.0f?2.0f:brightness1))*256.0f), - nc2 = (int)((brightness2<0.0f?0.0f:(brightness2>2.0f?2.0f:brightness2))*256.0f); - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nc0,nc1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nc0,nc2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nc1,nc2); - if (ny0>=height() || ny2<0) return *this; - _cimg_for_triangle4(*this,xleft0,cleft0,txleft0,tyleft0,xright0,cright0,txright0,tyright0,y, - nx0,ny0,nc0,ntx0,nty0,nx1,ny1,nc1,ntx1,nty1,nx2,ny2,nc2,ntx2,nty2) { - int - xleft = xleft0, xright = xright0, - cleft = cleft0, cright = cright0, - txleft = txleft0, txright = txright0, - tyleft = tyleft0, tyright = tyright0; - if (xrightcleft?cright - cleft:cleft - cright, - dtx = txright>txleft?txright - txleft:txleft - txright, - dty = tyright>tyleft?tyright - tyleft:tyleft - tyright, - rc = dx?(cright - cleft)/dx:0, - rtx = dx?(txright - txleft)/dx:0, - rty = dx?(tyright - tyleft)/dx:0, - sc = cright>cleft?1:-1, - stx = txright>txleft?1:-1, - sty = tyright>tyleft?1:-1, - ndc = dc - (dx?dx*(dc/dx):0), - ndtx = dtx - (dx?dx*(dtx/dx):0), - ndty = dty - (dx?dx*(dty/dx):0); - int errc = dx>>1, errtx = errc, errty = errc; - if (xleft<0 && dx) { - cleft-=xleft*(cright - cleft)/dx; - txleft-=xleft*(txright - txleft)/dx; - tyleft-=xleft*(tyright - tyleft)/dx; - } - if (xleft<0) xleft = 0; - if (xright>=width() - 1) xright = width() - 1; - T* ptrd = data(xleft,y,0,0); - if (opacity>=1) for (int x = xleft; x<=xright; ++x) { - const tc *col = &texture._atXY(txleft,tyleft); - cimg_forC(*this,c) { - *ptrd = (T)(cleft<256?cleft**col/256:((512 - cleft)**col + (cleft - 256)*maxval)/256); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); - txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); - tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); - } else for (int x = xleft; x<=xright; ++x) { - const tc *col = &texture._atXY(txleft,tyleft); - cimg_forC(*this,c) { - const T val = (T)(cleft<256?cleft**col/256:((512 - cleft)**col + (cleft - 256)*maxval)/256); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); - txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); - tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); - } - } - return *this; - } - - //! Draw a textured Gouraud-shaded 2d triangle, with perspective correction \overloading. - template - CImg& draw_triangle(const int x0, const int y0, const float z0, - const int x1, const int y1, const float z1, - const int x2, const int y2, const float z2, - const CImg& texture, - const int tx0, const int ty0, - const int tx1, const int ty1, - const int tx2, const int ty2, - const float brightness0, - const float brightness1, - const float brightness2, - const float opacity=1) { - if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (is_overlapped(texture)) return draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,+texture,tx0,ty0,tx1,ty1,tx2,ty2, - brightness0,brightness1,brightness2,opacity); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - const unsigned long - whd = (unsigned long)_width*_height*_depth, - twh = (unsigned long)texture._width*texture._height, - offx = _spectrum*whd - 1; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, - nc0 = (int)((brightness0<0.0f?0.0f:(brightness0>2.0f?2.0f:brightness0))*256.0f), - nc1 = (int)((brightness1<0.0f?0.0f:(brightness1>2.0f?2.0f:brightness1))*256.0f), - nc2 = (int)((brightness2<0.0f?0.0f:(brightness2>2.0f?2.0f:brightness2))*256.0f); - float - ntx0 = tx0/z0, nty0 = ty0/z0, - ntx1 = tx1/z1, nty1 = ty1/z1, - ntx2 = tx2/z2, nty2 = ty2/z2, - nz0 = 1/z0, nz1 = 1/z1, nz2 = 1/z2; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nz0,nz1,nc0,nc1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nz0,nz2,nc0,nc2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nz1,nz2,nc1,nc2); - if (ny0>=height() || ny2<0) return *this; - float - ptxl = (ntx1 - ntx0)/(ny1 - ny0), - ptxr = (ntx2 - ntx0)/(ny2 - ny0), - ptxn = (ntx2 - ntx1)/(ny2 - ny1), - ptyl = (nty1 - nty0)/(ny1 - ny0), - ptyr = (nty2 - nty0)/(ny2 - ny0), - ptyn = (nty2 - nty1)/(ny2 - ny1), - pzl = (nz1 - nz0)/(ny1 - ny0), - pzr = (nz2 - nz0)/(ny2 - ny0), - pzn = (nz2 - nz1)/(ny2 - ny1), - zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), - txr = ny0>=0?ntx0:(ntx0 - ny0*(ntx2 - ntx0)/(ny2 - ny0)), - tyr = ny0>=0?nty0:(nty0 - ny0*(nty2 - nty0)/(ny2 - ny0)), - zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))), - txl = ny1>=0?(ny0>=0?ntx0:(ntx0 - ny0*(ntx1 - ntx0)/(ny1 - ny0))): - (ptxl=ptxn,(ntx1 - ny1*(ntx2 - ntx1)/(ny2 - ny1))), - tyl = ny1>=0?(ny0>=0?nty0:(nty0 - ny0*(nty1 - nty0)/(ny1 - ny0))): - (ptyl=ptyn,(nty1 - ny1*(nty2 - nty1)/(ny2 - ny1))); - _cimg_for_triangle2(*this,xleft0,cleft0,xright0,cright0,y,nx0,ny0,nc0,nx1,ny1,nc1,nx2,ny2,nc2) { - if (y==ny1) { zl = nz1; txl = ntx1; tyl = nty1; pzl = pzn; ptxl = ptxn; ptyl = ptyn; } - int - xleft = xleft0, xright = xright0, - cleft = cleft0, cright = cright0; - float - zleft = zl, zright = zr, - txleft = txl, txright = txr, - tyleft = tyl, tyright = tyr; - if (xrightcleft?cright - cleft:cleft - cright, - rc = dx?(cright - cleft)/dx:0, - sc = cright>cleft?1:-1, - ndc = dc - (dx?dx*(dc/dx):0); - const float - pentez = (zright - zleft)/dx, - pentetx = (txright - txleft)/dx, - pentety = (tyright - tyleft)/dx; - int errc = dx>>1; - if (xleft<0 && dx) { - cleft-=xleft*(cright - cleft)/dx; - zleft-=xleft*(zright - zleft)/dx; - txleft-=xleft*(txright - txleft)/dx; - tyleft-=xleft*(tyright - tyleft)/dx; - } - if (xleft<0) xleft = 0; - if (xright>=width() - 1) xright = width() - 1; - T* ptrd = data(xleft,y,0,0); - if (opacity>=1) for (int x = xleft; x<=xright; ++x) { - const float invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - *ptrd = (T)(cleft<256?cleft**col/256:((512 - cleft)**col + (cleft - 256)*maxval)/256); - ptrd+=whd; col+=twh; - } - ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); - } else for (int x = xleft; x<=xright; ++x) { - const float invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - const T val = (T)(cleft<256?cleft**col/256:((512 - cleft)**col + (cleft - 256)*maxval)/256); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; col+=twh; - } - ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); - } - zr+=pzr; txr+=ptxr; tyr+=ptyr; zl+=pzl; txl+=ptxl; tyl+=ptyl; - } - return *this; - } - - //! Draw a textured Gouraud-shaded 2d triangle, with perspective correction and z-buffering \overloading. - template - CImg& draw_triangle(CImg& zbuffer, - const int x0, const int y0, const float z0, - const int x1, const int y1, const float z1, - const int x2, const int y2, const float z2, - const CImg& texture, - const int tx0, const int ty0, - const int tx1, const int ty1, - const int tx2, const int ty2, - const float brightness0, - const float brightness1, - const float brightness2, - const float opacity=1) { - typedef typename cimg::superset::type tzfloat; - if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; - if (!is_sameXY(zbuffer)) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Instance and specified Z-buffer (%u,%u,%u,%u,%p) have " - "different dimensions.", - cimg_instance, - zbuffer._width,zbuffer._height,zbuffer._depth,zbuffer._spectrum,zbuffer._data); - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (is_overlapped(texture)) - return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,+texture,tx0,ty0,tx1,ty1,tx2,ty2, - brightness0,brightness1,brightness2,opacity); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - const unsigned long - whd = (unsigned long)_width*_height*_depth, - twh = (unsigned long)texture._width*texture._height, - offx = _spectrum*whd; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, - nc0 = (int)((brightness0<0.0f?0.0f:(brightness0>2.0f?2.0f:brightness0))*256.0f), - nc1 = (int)((brightness1<0.0f?0.0f:(brightness1>2.0f?2.0f:brightness1))*256.0f), - nc2 = (int)((brightness2<0.0f?0.0f:(brightness2>2.0f?2.0f:brightness2))*256.0f); - float - ntx0 = tx0/z0, nty0 = ty0/z0, - ntx1 = tx1/z1, nty1 = ty1/z1, - ntx2 = tx2/z2, nty2 = ty2/z2; - tzfloat nz0 = 1/(tzfloat)z0, nz1 = 1/(tzfloat)z1, nz2 = 1/(tzfloat)z2; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nz0,nz1,nc0,nc1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nz0,nz2,nc0,nc2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nz1,nz2,nc1,nc2); - if (ny0>=height() || ny2<0) return *this; - float - ptxl = (ntx1 - ntx0)/(ny1 - ny0), - ptxr = (ntx2 - ntx0)/(ny2 - ny0), - ptxn = (ntx2 - ntx1)/(ny2 - ny1), - ptyl = (nty1 - nty0)/(ny1 - ny0), - ptyr = (nty2 - nty0)/(ny2 - ny0), - ptyn = (nty2 - nty1)/(ny2 - ny1), - txr = ny0>=0?ntx0:(ntx0 - ny0*(ntx2 - ntx0)/(ny2 - ny0)), - tyr = ny0>=0?nty0:(nty0 - ny0*(nty2 - nty0)/(ny2 - ny0)), - txl = ny1>=0?(ny0>=0?ntx0:(ntx0 - ny0*(ntx1 - ntx0)/(ny1 - ny0))): - (ptxl=ptxn,(ntx1 - ny1*(ntx2 - ntx1)/(ny2 - ny1))), - tyl = ny1>=0?(ny0>=0?nty0:(nty0 - ny0*(nty1 - nty0)/(ny1 - ny0))): - (ptyl=ptyn,(nty1 - ny1*(nty2 - nty1)/(ny2 - ny1))); - tzfloat - pzl = (nz1 - nz0)/(ny1 - ny0), - pzr = (nz2 - nz0)/(ny2 - ny0), - pzn = (nz2 - nz1)/(ny2 - ny1), - zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), - zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))); - _cimg_for_triangle2(*this,xleft0,cleft0,xright0,cright0,y,nx0,ny0,nc0,nx1,ny1,nc1,nx2,ny2,nc2) { - if (y==ny1) { zl = nz1; txl = ntx1; tyl = nty1; pzl = pzn; ptxl = ptxn; ptyl = ptyn; } - int xleft = xleft0, xright = xright0, cleft = cleft0, cright = cright0; - float txleft = txl, txright = txr, tyleft = tyl, tyright = tyr; - tzfloat zleft = zl, zright = zr; - if (xrightcleft?cright - cleft:cleft - cright, - rc = dx?(cright - cleft)/dx:0, - sc = cright>cleft?1:-1, - ndc = dc - (dx?dx*(dc/dx):0); - float pentetx = (txright - txleft)/dx, pentety = (tyright - tyleft)/dx; - const tzfloat pentez = (zright - zleft)/dx; - int errc = dx>>1; - if (xleft<0 && dx) { - cleft-=xleft*(cright - cleft)/dx; - zleft-=xleft*(zright - zleft)/dx; - txleft-=xleft*(txright - txleft)/dx; - tyleft-=xleft*(tyright - tyleft)/dx; - } - if (xleft<0) xleft = 0; - if (xright>=width() - 1) xright = width() - 1; - T* ptrd = data(xleft,y); - tz *ptrz = zbuffer.data(xleft,y); - if (opacity>=1) for (int x = xleft; x<=xright; ++x, ++ptrd, ++ptrz) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tzfloat invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - *ptrd = (T)(cleft<256?cleft**col/256:((512 - cleft)**col + (cleft - 256)*maxval)/256); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - } - zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); - } else for (int x = xleft; x<=xright; ++x, ++ptrd, ++ptrz) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tzfloat invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - cimg_forC(*this,c) { - const T val = (T)(cleft<256?cleft**col/256:((512 - cleft)**col + (cleft - 256)*maxval)/256); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; col+=twh; - } - ptrd-=offx; - } - zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); - } - zr+=pzr; txr+=ptxr; tyr+=ptyr; zl+=pzl; txl+=ptxl; tyl+=ptyl; - } - return *this; - } - - //! Draw a textured Phong-shaded 2d triangle. - /** - \param x0 X-coordinate of the first vertex in the image instance. - \param y0 Y-coordinate of the first vertex in the image instance. - \param x1 X-coordinate of the second vertex in the image instance. - \param y1 Y-coordinate of the second vertex in the image instance. - \param x2 X-coordinate of the third vertex in the image instance. - \param y2 Y-coordinate of the third vertex in the image instance. - \param texture Texture image used to fill the triangle. - \param tx0 X-coordinate of the first vertex in the texture image. - \param ty0 Y-coordinate of the first vertex in the texture image. - \param tx1 X-coordinate of the second vertex in the texture image. - \param ty1 Y-coordinate of the second vertex in the texture image. - \param tx2 X-coordinate of the third vertex in the texture image. - \param ty2 Y-coordinate of the third vertex in the texture image. - \param light Light image. - \param lx0 X-coordinate of the first vertex in the light image. - \param ly0 Y-coordinate of the first vertex in the light image. - \param lx1 X-coordinate of the second vertex in the light image. - \param ly1 Y-coordinate of the second vertex in the light image. - \param lx2 X-coordinate of the third vertex in the light image. - \param ly2 Y-coordinate of the third vertex in the light image. - \param opacity Drawing opacity. - **/ - template - CImg& draw_triangle(const int x0, const int y0, - const int x1, const int y1, - const int x2, const int y2, - const CImg& texture, - const int tx0, const int ty0, - const int tx1, const int ty1, - const int tx2, const int ty2, - const CImg& light, - const int lx0, const int ly0, - const int lx1, const int ly1, - const int lx2, const int ly2, - const float opacity=1) { - if (is_empty()) return *this; - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (light._depth>1 || light._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified light texture (%u,%u,%u,%u,%p).", - cimg_instance,light._width,light._height,light._depth,light._spectrum,light._data); - if (is_overlapped(texture)) - return draw_triangle(x0,y0,x1,y1,x2,y2,+texture,tx0,ty0,tx1,ty1,tx2,ty2,light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); - if (is_overlapped(light)) - return draw_triangle(x0,y0,x1,y1,x2,y2,texture,tx0,ty0,tx1,ty1,tx2,ty2,+light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - const unsigned long - whd = (unsigned long)_width*_height*_depth, - twh = (unsigned long)texture._width*texture._height, - lwh = (unsigned long)light._width*light._height, - offx = _spectrum*whd - 1; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, - ntx0 = tx0, nty0 = ty0, ntx1 = tx1, nty1 = ty1, ntx2 = tx2, nty2 = ty2, - nlx0 = lx0, nly0 = ly0, nlx1 = lx1, nly1 = ly1, nlx2 = lx2, nly2 = ly2; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nlx0,nlx1,nly0,nly1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nlx0,nlx2,nly0,nly2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nlx1,nlx2,nly1,nly2); - if (ny0>=height() || ny2<0) return *this; - _cimg_for_triangle5(*this,xleft0,lxleft0,lyleft0,txleft0,tyleft0,xright0,lxright0,lyright0,txright0,tyright0,y, - nx0,ny0,nlx0,nly0,ntx0,nty0,nx1,ny1,nlx1,nly1,ntx1,nty1,nx2,ny2,nlx2,nly2,ntx2,nty2) { - int - xleft = xleft0, xright = xright0, - lxleft = lxleft0, lxright = lxright0, - lyleft = lyleft0, lyright = lyright0, - txleft = txleft0, txright = txright0, - tyleft = tyleft0, tyright = tyright0; - if (xrightlxleft?lxright - lxleft:lxleft - lxright, - dly = lyright>lyleft?lyright - lyleft:lyleft - lyright, - dtx = txright>txleft?txright - txleft:txleft - txright, - dty = tyright>tyleft?tyright - tyleft:tyleft - tyright, - rlx = dx?(lxright - lxleft)/dx:0, - rly = dx?(lyright - lyleft)/dx:0, - rtx = dx?(txright - txleft)/dx:0, - rty = dx?(tyright - tyleft)/dx:0, - slx = lxright>lxleft?1:-1, - sly = lyright>lyleft?1:-1, - stx = txright>txleft?1:-1, - sty = tyright>tyleft?1:-1, - ndlx = dlx - (dx?dx*(dlx/dx):0), - ndly = dly - (dx?dx*(dly/dx):0), - ndtx = dtx - (dx?dx*(dtx/dx):0), - ndty = dty - (dx?dx*(dty/dx):0); - int errlx = dx>>1, errly = errlx, errtx = errlx, errty = errlx; - if (xleft<0 && dx) { - lxleft-=xleft*(lxright - lxleft)/dx; - lyleft-=xleft*(lyright - lyleft)/dx; - txleft-=xleft*(txright - txleft)/dx; - tyleft-=xleft*(tyright - tyleft)/dx; - } - if (xleft<0) xleft = 0; - if (xright>=width() - 1) xright = width() - 1; - T* ptrd = data(xleft,y,0,0); - if (opacity>=1) for (int x = xleft; x<=xright; ++x) { - const tc *col = &texture._atXY(txleft,tyleft); - const tl *lig = &light._atXY(lxleft,lyleft); - cimg_forC(*this,c) { - const tl l = *lig; - *ptrd = (T)(l<1?l**col:(2 - l)**col + (l - 1)*maxval); - ptrd+=whd; col+=twh; lig+=lwh; - } - ptrd-=offx; - lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); - lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); - txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); - tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); - } else for (int x = xleft; x<=xright; ++x) { - const tc *col = &texture._atXY(txleft,tyleft); - const tl *lig = &light._atXY(lxleft,lyleft); - cimg_forC(*this,c) { - const tl l = *lig; - const T val = (T)(l<1?l**col:(2 - l)**col + (l - 1)*maxval); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; col+=twh; lig+=lwh; - } - ptrd-=offx; - lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); - lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); - txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); - tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); - } - } - return *this; - } - - //! Draw a textured Phong-shaded 2d triangle, with perspective correction. - template - CImg& draw_triangle(const int x0, const int y0, const float z0, - const int x1, const int y1, const float z1, - const int x2, const int y2, const float z2, - const CImg& texture, - const int tx0, const int ty0, - const int tx1, const int ty1, - const int tx2, const int ty2, - const CImg& light, - const int lx0, const int ly0, - const int lx1, const int ly1, - const int lx2, const int ly2, - const float opacity=1) { - if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (light._depth>1 || light._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified light texture (%u,%u,%u,%u,%p).", - cimg_instance,light._width,light._height,light._depth,light._spectrum,light._data); - if (is_overlapped(texture)) - return draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,+texture,tx0,ty0,tx1,ty1,tx2,ty2, - light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); - if (is_overlapped(light)) - return draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,texture,tx0,ty0,tx1,ty1,tx2,ty2, - +light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - const unsigned long - whd = (unsigned long)_width*_height*_depth, - twh = (unsigned long)texture._width*texture._height, - lwh = (unsigned long)light._width*light._height, - offx = _spectrum*whd - 1; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, - nlx0 = lx0, nly0 = ly0, nlx1 = lx1, nly1 = ly1, nlx2 = lx2, nly2 = ly2; - float - ntx0 = tx0/z0, nty0 = ty0/z0, - ntx1 = tx1/z1, nty1 = ty1/z1, - ntx2 = tx2/z2, nty2 = ty2/z2, - nz0 = 1/z0, nz1 = 1/z1, nz2 = 1/z2; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nlx0,nlx1,nly0,nly1,nz0,nz1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nlx0,nlx2,nly0,nly2,nz0,nz2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nlx1,nlx2,nly1,nly2,nz1,nz2); - if (ny0>=height() || ny2<0) return *this; - float - ptxl = (ntx1 - ntx0)/(ny1 - ny0), - ptxr = (ntx2 - ntx0)/(ny2 - ny0), - ptxn = (ntx2 - ntx1)/(ny2 - ny1), - ptyl = (nty1 - nty0)/(ny1 - ny0), - ptyr = (nty2 - nty0)/(ny2 - ny0), - ptyn = (nty2 - nty1)/(ny2 - ny1), - pzl = (nz1 - nz0)/(ny1 - ny0), - pzr = (nz2 - nz0)/(ny2 - ny0), - pzn = (nz2 - nz1)/(ny2 - ny1), - zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), - txr = ny0>=0?ntx0:(ntx0 - ny0*(ntx2 - ntx0)/(ny2 - ny0)), - tyr = ny0>=0?nty0:(nty0 - ny0*(nty2 - nty0)/(ny2 - ny0)), - zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))), - txl = ny1>=0?(ny0>=0?ntx0:(ntx0 - ny0*(ntx1 - ntx0)/(ny1 - ny0))): - (ptxl=ptxn,(ntx1 - ny1*(ntx2 - ntx1)/(ny2 - ny1))), - tyl = ny1>=0?(ny0>=0?nty0:(nty0 - ny0*(nty1 - nty0)/(ny1 - ny0))): - (ptyl=ptyn,(nty1 - ny1*(nty2 - nty1)/(ny2 - ny1))); - _cimg_for_triangle3(*this,xleft0,lxleft0,lyleft0,xright0,lxright0,lyright0,y, - nx0,ny0,nlx0,nly0,nx1,ny1,nlx1,nly1,nx2,ny2,nlx2,nly2) { - if (y==ny1) { zl = nz1; txl = ntx1; tyl = nty1; pzl = pzn; ptxl = ptxn; ptyl = ptyn; } - int - xleft = xleft0, xright = xright0, - lxleft = lxleft0, lxright = lxright0, - lyleft = lyleft0, lyright = lyright0; - float - zleft = zl, zright = zr, - txleft = txl, txright = txr, - tyleft = tyl, tyright = tyr; - if (xrightlxleft?lxright - lxleft:lxleft - lxright, - dly = lyright>lyleft?lyright - lyleft:lyleft - lyright, - rlx = dx?(lxright - lxleft)/dx:0, - rly = dx?(lyright - lyleft)/dx:0, - slx = lxright>lxleft?1:-1, - sly = lyright>lyleft?1:-1, - ndlx = dlx - (dx?dx*(dlx/dx):0), - ndly = dly - (dx?dx*(dly/dx):0); - const float - pentez = (zright - zleft)/dx, - pentetx = (txright - txleft)/dx, - pentety = (tyright - tyleft)/dx; - int errlx = dx>>1, errly = errlx; - if (xleft<0 && dx) { - zleft-=xleft*(zright - zleft)/dx; - lxleft-=xleft*(lxright - lxleft)/dx; - lyleft-=xleft*(lyright - lyleft)/dx; - txleft-=xleft*(txright - txleft)/dx; - tyleft-=xleft*(tyright - tyleft)/dx; - } - if (xleft<0) xleft = 0; - if (xright>=width() - 1) xright = width() - 1; - T* ptrd = data(xleft,y,0,0); - if (opacity>=1) for (int x = xleft; x<=xright; ++x) { - const float invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - const tl *lig = &light._atXY(lxleft,lyleft); - cimg_forC(*this,c) { - const tl l = *lig; - *ptrd = (T)(l<1?l**col:(2 - l)**col + (l - 1)*maxval); - ptrd+=whd; col+=twh; lig+=lwh; - } - ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); - lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); - } else for (int x = xleft; x<=xright; ++x) { - const float invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - const tl *lig = &light._atXY(lxleft,lyleft); - cimg_forC(*this,c) { - const tl l = *lig; - const T val = (T)(l<1?l**col:(2 - l)**col + (l - 1)*maxval); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; col+=twh; lig+=lwh; - } - ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); - lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); - } - zr+=pzr; txr+=ptxr; tyr+=ptyr; zl+=pzl; txl+=ptxl; tyl+=ptyl; - } - return *this; - } - - //! Draw a textured Phong-shaded 2d triangle, with perspective correction and z-buffering. - template - CImg& draw_triangle(CImg& zbuffer, - const int x0, const int y0, const float z0, - const int x1, const int y1, const float z1, - const int x2, const int y2, const float z2, - const CImg& texture, - const int tx0, const int ty0, - const int tx1, const int ty1, - const int tx2, const int ty2, - const CImg& light, - const int lx0, const int ly0, - const int lx1, const int ly1, - const int lx2, const int ly2, - const float opacity=1) { - typedef typename cimg::superset::type tzfloat; - if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; - if (!is_sameXY(zbuffer)) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Instance and specified Z-buffer (%u,%u,%u,%u,%p) have " - "different dimensions.", - cimg_instance, - zbuffer._width,zbuffer._height,zbuffer._depth,zbuffer._spectrum,zbuffer._data); - if (texture._depth>1 || texture._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified texture (%u,%u,%u,%u,%p).", - cimg_instance, - texture._width,texture._height,texture._depth,texture._spectrum,texture._data); - if (light._depth>1 || light._spectrum<_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_triangle(): Invalid specified light texture (%u,%u,%u,%u,%p).", - cimg_instance,light._width,light._height,light._depth,light._spectrum,light._data); - if (is_overlapped(texture)) - return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2, - +texture,tx0,ty0,tx1,ty1,tx2,ty2,light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); - if (is_overlapped(light)) - return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2, - texture,tx0,ty0,tx1,ty1,tx2,ty2,+light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); - static const T maxval = (T)cimg::min(cimg::type::max(),cimg::type::max()); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - const unsigned long - whd = (unsigned long)_width*_height*_depth, - twh = (unsigned long)texture._width*texture._height, - lwh = (unsigned long)light._width*light._height, - offx = _spectrum*whd; - int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, - nlx0 = lx0, nly0 = ly0, nlx1 = lx1, nly1 = ly1, nlx2 = lx2, nly2 = ly2; - float - ntx0 = tx0/z0, nty0 = ty0/z0, - ntx1 = tx1/z1, nty1 = ty1/z1, - ntx2 = tx2/z2, nty2 = ty2/z2; - tzfloat nz0 = 1/(tzfloat)z0, nz1 = 1/(tzfloat)z1, nz2 = 1/(tzfloat)z2; - if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nlx0,nlx1,nly0,nly1,nz0,nz1); - if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nlx0,nlx2,nly0,nly2,nz0,nz2); - if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nlx1,nlx2,nly1,nly2,nz1,nz2); - if (ny0>=height() || ny2<0) return *this; - float - ptxl = (ntx1 - ntx0)/(ny1 - ny0), - ptxr = (ntx2 - ntx0)/(ny2 - ny0), - ptxn = (ntx2 - ntx1)/(ny2 - ny1), - ptyl = (nty1 - nty0)/(ny1 - ny0), - ptyr = (nty2 - nty0)/(ny2 - ny0), - ptyn = (nty2 - nty1)/(ny2 - ny1), - txr = ny0>=0?ntx0:(ntx0 - ny0*(ntx2 - ntx0)/(ny2 - ny0)), - tyr = ny0>=0?nty0:(nty0 - ny0*(nty2 - nty0)/(ny2 - ny0)), - txl = ny1>=0?(ny0>=0?ntx0:(ntx0 - ny0*(ntx1 - ntx0)/(ny1 - ny0))): - (ptxl=ptxn,(ntx1 - ny1*(ntx2 - ntx1)/(ny2 - ny1))), - tyl = ny1>=0?(ny0>=0?nty0:(nty0 - ny0*(nty1 - nty0)/(ny1 - ny0))): - (ptyl=ptyn,(nty1 - ny1*(nty2 - nty1)/(ny2 - ny1))); - tzfloat - pzl = (nz1 - nz0)/(ny1 - ny0), - pzr = (nz2 - nz0)/(ny2 - ny0), - pzn = (nz2 - nz1)/(ny2 - ny1), - zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), - zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))); - _cimg_for_triangle3(*this,xleft0,lxleft0,lyleft0,xright0,lxright0,lyright0,y, - nx0,ny0,nlx0,nly0,nx1,ny1,nlx1,nly1,nx2,ny2,nlx2,nly2) { - if (y==ny1) { zl = nz1; txl = ntx1; tyl = nty1; pzl = pzn; ptxl = ptxn; ptyl = ptyn; } - int - xleft = xleft0, xright = xright0, - lxleft = lxleft0, lxright = lxright0, - lyleft = lyleft0, lyright = lyright0; - float txleft = txl, txright = txr, tyleft = tyl, tyright = tyr; - tzfloat zleft = zl, zright = zr; - if (xrightlxleft?lxright - lxleft:lxleft - lxright, - dly = lyright>lyleft?lyright - lyleft:lyleft - lyright, - rlx = dx?(lxright - lxleft)/dx:0, - rly = dx?(lyright - lyleft)/dx:0, - slx = lxright>lxleft?1:-1, - sly = lyright>lyleft?1:-1, - ndlx = dlx - (dx?dx*(dlx/dx):0), - ndly = dly - (dx?dx*(dly/dx):0); - float pentetx = (txright - txleft)/dx, pentety = (tyright - tyleft)/dx; - const tzfloat pentez = (zright - zleft)/dx; - int errlx = dx>>1, errly = errlx; - if (xleft<0 && dx) { - zleft-=xleft*(zright - zleft)/dx; - lxleft-=xleft*(lxright - lxleft)/dx; - lyleft-=xleft*(lyright - lyleft)/dx; - txleft-=xleft*(txright - txleft)/dx; - tyleft-=xleft*(tyright - tyleft)/dx; - } - if (xleft<0) xleft = 0; - if (xright>=width() - 1) xright = width() - 1; - T* ptrd = data(xleft,y); - tz *ptrz = zbuffer.data(xleft,y); - if (opacity>=1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tzfloat invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - const tl *lig = &light._atXY(lxleft,lyleft); - cimg_forC(*this,c) { - const tl l = *lig; - *ptrd = (T)(l<1?l**col:(2 - l)**col + (l - 1)*maxval); - ptrd+=whd; col+=twh; lig+=lwh; - } - ptrd-=offx; - } - zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); - lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); - } else for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { - if (zleft>=(tzfloat)*ptrz) { - *ptrz = (tz)zleft; - const tzfloat invz = 1/zleft; - const tc *col = &texture._atXY((int)(txleft*invz),(int)(tyleft*invz)); - const tl *lig = &light._atXY(lxleft,lyleft); - cimg_forC(*this,c) { - const tl l = *lig; - const T val = (T)(l<1?l**col:(2 - l)**col + (l - 1)*maxval); - *ptrd = (T)(nopacity*val + *ptrd*copacity); - ptrd+=whd; col+=twh; lig+=lwh; - } - ptrd-=offx; - } - zleft+=pentez; txleft+=pentetx; tyleft+=pentety; - lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); - lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); - } - zr+=pzr; txr+=ptxr; tyr+=ptyr; zl+=pzl; txl+=ptxl; tyl+=ptyl; - } - return *this; - } - - //! Draw a filled 4d rectangle. - /** - \param x0 X-coordinate of the upper-left rectangle corner. - \param y0 Y-coordinate of the upper-left rectangle corner. - \param z0 Z-coordinate of the upper-left rectangle corner. - \param c0 C-coordinate of the upper-left rectangle corner. - \param x1 X-coordinate of the lower-right rectangle corner. - \param y1 Y-coordinate of the lower-right rectangle corner. - \param z1 Z-coordinate of the lower-right rectangle corner. - \param c1 C-coordinate of the lower-right rectangle corner. - \param val Scalar value used to fill the rectangle area. - \param opacity Drawing opacity. - **/ - CImg& draw_rectangle(const int x0, const int y0, const int z0, const int c0, - const int x1, const int y1, const int z1, const int c1, - const T val, const float opacity=1) { - if (is_empty()) return *this; - const bool bx = (x0=width()?width() - 1 - nx1:0) + (nx0<0?nx0:0), - lY = (1 + ny1 - ny0) + (ny1>=height()?height() - 1 - ny1:0) + (ny0<0?ny0:0), - lZ = (1 + nz1 - nz0) + (nz1>=depth()?depth() - 1 - nz1:0) + (nz0<0?nz0:0), - lC = (1 + nc1 - nc0) + (nc1>=spectrum()?spectrum() - 1 - nc1:0) + (nc0<0?nc0:0); - const unsigned long - offX = (unsigned long)_width - lX, - offY = (unsigned long)_width*(_height - lY), - offZ = (unsigned long)_width*_height*(_depth - lZ); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - T *ptrd = data(nx0<0?0:nx0,ny0<0?0:ny0,nz0<0?0:nz0,nc0<0?0:nc0); - if (lX>0 && lY>0 && lZ>0 && lC>0) - for (int v = 0; v=1) { - if (sizeof(T)!=1) { for (int x = 0; x - CImg& draw_rectangle(const int x0, const int y0, const int z0, - const int x1, const int y1, const int z1, - const tc *const color, const float opacity=1) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_rectangle(): Specified color is (null).", - cimg_instance); - cimg_forC(*this,c) draw_rectangle(x0,y0,z0,c,x1,y1,z1,c,(T)color[c],opacity); - return *this; - } - - //! Draw an outlined 3d rectangle \overloading. - template - CImg& draw_rectangle(const int x0, const int y0, const int z0, - const int x1, const int y1, const int z1, - const tc *const color, const float opacity, - const unsigned int pattern) { - return draw_line(x0,y0,z0,x1,y0,z0,color,opacity,pattern,true). - draw_line(x1,y0,z0,x1,y1,z0,color,opacity,pattern,false). - draw_line(x1,y1,z0,x0,y1,z0,color,opacity,pattern,false). - draw_line(x0,y1,z0,x0,y0,z0,color,opacity,pattern,false). - draw_line(x0,y0,z1,x1,y0,z1,color,opacity,pattern,true). - draw_line(x1,y0,z1,x1,y1,z1,color,opacity,pattern,false). - draw_line(x1,y1,z1,x0,y1,z1,color,opacity,pattern,false). - draw_line(x0,y1,z1,x0,y0,z1,color,opacity,pattern,false). - draw_line(x0,y0,z0,x0,y0,z1,color,opacity,pattern,true). - draw_line(x1,y0,z0,x1,y0,z1,color,opacity,pattern,true). - draw_line(x1,y1,z0,x1,y1,z1,color,opacity,pattern,true). - draw_line(x0,y1,z0,x0,y1,z1,color,opacity,pattern,true); - } - - //! Draw a filled 2d rectangle. - /** - \param x0 X-coordinate of the upper-left rectangle corner. - \param y0 Y-coordinate of the upper-left rectangle corner. - \param x1 X-coordinate of the lower-right rectangle corner. - \param y1 Y-coordinate of the lower-right rectangle corner. - \param color Pointer to \c spectrum() consecutive values of type \c T, defining the drawing color. - \param opacity Drawing opacity. - **/ - template - CImg& draw_rectangle(const int x0, const int y0, - const int x1, const int y1, - const tc *const color, const float opacity=1) { - return draw_rectangle(x0,y0,0,x1,y1,_depth - 1,color,opacity); - } - - //! Draw a outlined 2d rectangle \overloading. - template - CImg& draw_rectangle(const int x0, const int y0, - const int x1, const int y1, - const tc *const color, const float opacity, - const unsigned int pattern) { - if (is_empty()) return *this; - if (y0==y1) return draw_line(x0,y0,x1,y0,color,opacity,pattern,true); - if (x0==x1) return draw_line(x0,y0,x0,y1,color,opacity,pattern,true); - const bool bx = (x0 - CImg& draw_polygon(const CImg& points, - const tc *const color, const float opacity=1) { - if (is_empty() || !points) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_polygon(): Specified color is (null).", - cimg_instance); - - // Normalize 2d input coordinates (remove adjacent duplicates). - CImg npoints(points._width,2); - unsigned int nb_points = 1, p = 0; - int cx = npoints(0,0) = (int)points(0,0), cy = npoints(0,1) = (int)points(0,1); - const int cx0 = cx, cy0 = cy; - for (p = 1; p npoints_x = npoints.get_shared_row(0), npoints_y = npoints.get_shared_row(1); - int xmax = 0, xmin = (int)npoints_x.min_max(xmax), ymax = 0, ymin = (int)npoints_y.min_max(ymax); - if (xmax<0 || xmin>=width() || ymax<0 || ymin>=height()) return *this; - if (ymin==ymax) return cimg_draw_scanline(xmin,xmax,ymin,color,opacity,1); - const unsigned int - nxmin = xmin<0?0:(unsigned int)xmin, nxmax = xmax>=width()?_width - 1:(unsigned int)xmax, - nymin = ymin<0?0:(unsigned int)ymin, nymax = ymax>=height()?_height - 1:(unsigned int)ymax, - dx = 1 + nxmax - nxmin, - dy = 1 + nymax - nymin; - npoints_x-=nxmin; npoints_y-=nymin; - unsigned char one = 1; - const CImg mask = CImg(dx,dy,1,1,0).draw_polygon(npoints,&one,1); - CImg _color(dx,dy,1,spectrum()); - cimg_forC(_color,c) _color.get_shared_channel(c).fill(color[c]); - return draw_image(nxmin,nymin,0,0,_color,mask,opacity,1); - } - - // Draw polygon segments. - int - xmax = 0, xmin = (int)npoints.get_shared_points(0,nb_points - 1,0).min_max(xmax), - ymax = 0, ymin = (int)npoints.get_shared_points(0,nb_points - 1,1).min_max(ymax); - if (xmax<0 || xmin>=width() || ymax<0 || ymin>=height()) return *this; - if (ymin==ymax) return cimg_draw_scanline(xmin,xmax,ymin,color,1,1); - const unsigned int - nymin = ymin<0?0:(unsigned int)ymin, - nymax = ymax>=height()?_height - 1:(unsigned int)ymax, - dy = 1 + nymax - nymin; - CImg X(1 + 2*nb_points,dy,1,1,0), tmp; - cx = (int)npoints(0,0), cy = (int)npoints(0,1); - unsigned int cp = 0; - for (unsigned int p = 0; pay && cy>ny))?1:0; - for (int x = cx, y = y0, _sx = 1, _sy = 1, - _dx = nx>cx?nx - cx:((_sx=-1),cx - nx), - _dy = y1>y0?y1 - y0:((_sy=-1),y0 - y1), - _counter = ((_dx-=_dy?_dy*(_dx/_dy):0),_dy), - _err = _dx>>1, - _rx = _dy?(nx - cx)/_dy:0; - _counter>=countermin; - --_counter, y+=_sy, x+=_rx + ((_err-=_dx)<0?_err+=_dy,_sx:0)) - if (y>=0 && y<(int)dy) X(++X(0,y),y) = x; - cp = np; cx = nx; cy = ny; - } else { - const int pp = (int)(cp?cp - 1:nb_points - 1), py = (int)npoints(pp,1); - if (y0>=0 && y0<(int)dy) { - cimg_draw_scanline(cxpy && ay>cy) || (cy - CImg& draw_polygon(const CImg& points, - const tc *const color, const float opacity, const unsigned int pattern) { - if (is_empty() || !points || points._width<3) return *this; - bool ninit_hatch = true; - switch (points._height) { - case 0 : case 1 : - throw CImgArgumentException(_cimg_instance - "draw_polygon(): Invalid specified point set.", - cimg_instance); - case 2 : { // 2d version. - CImg npoints(points._width,2); - int x = npoints(0,0) = (int)points(0,0), y = npoints(0,1) = (int)points(0,1); - unsigned int nb_points = 1; - for (unsigned int p = 1; p npoints(points._width,3); - int - x = npoints(0,0) = (int)points(0,0), - y = npoints(0,1) = (int)points(0,1), - z = npoints(0,2) = (int)points(0,2); - unsigned int nb_points = 1; - for (unsigned int p = 1; p - CImg& draw_ellipse(const int x0, const int y0, const float r1, const float r2, const float angle, - const tc *const color, const float opacity=1) { - return _draw_ellipse(x0,y0,r1,r2,angle,color,opacity,0U); - } - - //! Draw a filled 2d ellipse \overloading. - /** - \param x0 X-coordinate of the ellipse center. - \param y0 Y-coordinate of the ellipse center. - \param tensor Diffusion tensor describing the ellipse. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param opacity Drawing opacity. - **/ - template - CImg& draw_ellipse(const int x0, const int y0, const CImg &tensor, - const tc *const color, const float opacity=1) { - CImgList eig = tensor.get_symmetric_eigen(); - const CImg &val = eig[0], &vec = eig[1]; - return draw_ellipse(x0,y0,std::sqrt(val(0)),std::sqrt(val(1)), - std::atan2(vec(0,1),vec(0,0))*180/cimg::PI, - color,opacity); - } - - //! Draw an outlined 2d ellipse. - /** - \param x0 X-coordinate of the ellipse center. - \param y0 Y-coordinate of the ellipse center. - \param r1 First radius of the ellipse. - \param r2 Second radius of the ellipse. - \param angle Angle of the first radius. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param opacity Drawing opacity. - \param pattern An integer whose bits describe the outline pattern. - **/ - template - CImg& draw_ellipse(const int x0, const int y0, const float r1, const float r2, const float angle, - const tc *const color, const float opacity, const unsigned int pattern) { - if (pattern) _draw_ellipse(x0,y0,r1,r2,angle,color,opacity,pattern); - return *this; - } - - //! Draw an outlined 2d ellipse \overloading. - /** - \param x0 X-coordinate of the ellipse center. - \param y0 Y-coordinate of the ellipse center. - \param tensor Diffusion tensor describing the ellipse. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param opacity Drawing opacity. - \param pattern An integer whose bits describe the outline pattern. - **/ - template - CImg& draw_ellipse(const int x0, const int y0, const CImg &tensor, - const tc *const color, const float opacity, - const unsigned int pattern) { - CImgList eig = tensor.get_symmetric_eigen(); - const CImg &val = eig[0], &vec = eig[1]; - return draw_ellipse(x0,y0,std::sqrt(val(0)),std::sqrt(val(1)), - std::atan2(vec(0,1),vec(0,0))*180/cimg::PI, - color,opacity,pattern); - } - - template - CImg& _draw_ellipse(const int x0, const int y0, const float r1, const float r2, const float angle, - const tc *const color, const float opacity, - const unsigned int pattern) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_ellipse(): Specified color is (null).", - cimg_instance); - if (r1<=0 || r2<=0) return draw_point(x0,y0,color,opacity); - cimg_init_scanline(color,opacity); - const float - nr1 = cimg::abs(r1), nr2 = cimg::abs(r2), - nangle = (float)(angle*cimg::PI/180), - u = (float)std::cos(nangle), - v = (float)std::sin(nangle), - rmax = cimg::max(nr1,nr2), - l1 = (float)std::pow(rmax/(nr1>0?nr1:1e-6),2), - l2 = (float)std::pow(rmax/(nr2>0?nr2:1e-6),2), - a = l1*u*u + l2*v*v, - b = u*v*(l1 - l2), - c = l1*v*v + l2*u*u; - const int - yb = (int)std::sqrt(a*rmax*rmax/(a*c - b*b)), - tymin = y0 - yb - 1, - tymax = y0 + yb + 1, - ymin = tymin<0?0:tymin, - ymax = tymax>=height()?height() - 1:tymax; - int oxmin = 0, oxmax = 0; - bool first_line = true; - for (int y = ymin; y<=ymax; ++y) { - const float - Y = y - y0 + (y0?(float)std::sqrt(delta)/a:0.0f, - bY = b*Y/a, - fxmin = x0 - 0.5f - bY - sdelta, - fxmax = x0 + 0.5f - bY + sdelta; - const int xmin = (int)fxmin, xmax = (int)fxmax; - if (!pattern) cimg_draw_scanline(xmin,xmax,y,color,opacity,1); - else { - if (first_line) { - if (y0 - yb>=0) cimg_draw_scanline(xmin,xmax,y,color,opacity,1); - else draw_point(xmin,y,color,opacity).draw_point(xmax,y,color,opacity); - first_line = false; - } else { - if (xmin - CImg& draw_circle(const int x0, const int y0, int radius, - const tc *const color, const float opacity=1) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_circle(): Specified color is (null).", - cimg_instance); - cimg_init_scanline(color,opacity); - if (radius<0 || x0 - radius>=width() || y0 + radius<0 || y0 - radius>=height()) return *this; - if (y0>=0 && y0=0) { - const int x1 = x0 - x, x2 = x0 + x, y1 = y0 - y, y2 = y0 + y; - if (y1>=0 && y1=0 && y2=0 && y1=0 && y2 - CImg& draw_circle(const int x0, const int y0, int radius, - const tc *const color, const float opacity, - const unsigned int pattern) { - cimg::unused(pattern); - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_circle(): Specified color is (null).", - cimg_instance); - if (radius<0 || x0 - radius>=width() || y0 + radius<0 || y0 - radius>=height()) return *this; - if (!radius) return draw_point(x0,y0,color,opacity); - draw_point(x0 - radius,y0,color,opacity).draw_point(x0 + radius,y0,color,opacity). - draw_point(x0,y0 - radius,color,opacity).draw_point(x0,y0 + radius,color,opacity); - if (radius==1) return *this; - for (int f = 1 - radius, ddFx = 0, ddFy = -(radius<<1), x = 0, y = radius; x=0) { f+=(ddFy+=2); --y; } - ++x; ++(f+=(ddFx+=2)); - if (x!=y + 1) { - const int x1 = x0 - y, x2 = x0 + y, y1 = y0 - x, y2 = y0 + x, - x3 = x0 - x, x4 = x0 + x, y3 = y0 - y, y4 = y0 + y; - draw_point(x1,y1,color,opacity).draw_point(x1,y2,color,opacity). - draw_point(x2,y1,color,opacity).draw_point(x2,y2,color,opacity); - if (x!=y) - draw_point(x3,y3,color,opacity).draw_point(x4,y4,color,opacity). - draw_point(x4,y3,color,opacity).draw_point(x3,y4,color,opacity); - } - } - return *this; - } - - //! Draw an image. - /** - \param sprite Sprite image. - \param x0 X-coordinate of the sprite position. - \param y0 Y-coordinate of the sprite position. - \param z0 Z-coordinate of the sprite position. - \param c0 C-coordinate of the sprite position. - \param opacity Drawing opacity. - **/ - template - CImg& draw_image(const int x0, const int y0, const int z0, const int c0, - const CImg& sprite, const float opacity=1) { - if (is_empty() || !sprite) return *this; - if (is_overlapped(sprite)) return draw_image(x0,y0,z0,c0,+sprite,opacity); - if (x0==0 && y0==0 && z0==0 && c0==0 && is_sameXYZC(sprite) && opacity>=1 && !is_shared()) - return assign(sprite,false); - const bool bx = (x0<0), by = (y0<0), bz = (z0<0), bc = (c0<0); - const int - lX = sprite.width() - (x0 + sprite.width()>width()?x0 + sprite.width() - width():0) + (bx?x0:0), - lY = sprite.height() - (y0 + sprite.height()>height()?y0 + sprite.height() - height():0) + (by?y0:0), - lZ = sprite.depth() - (z0 + sprite.depth()>depth()?z0 + sprite.depth() - depth():0) + (bz?z0:0), - lC = sprite.spectrum() - (c0 + sprite.spectrum()>spectrum()?c0 + sprite.spectrum() - spectrum():0) + (bc?c0:0); - const t - *ptrs = sprite._data + - (bx?-x0:0) + - (by?-y0*(uptrT)sprite.width():0) + - (bz?-z0*(uptrT)sprite.width()*sprite.height():0) + - (bc?-c0*(uptrT)sprite.width()*sprite.height()*sprite.depth():0); - const uptrT - offX = (unsigned long)_width - lX, - soffX = (unsigned long)sprite._width - lX, - offY = (unsigned long)_width*(_height - lY), - soffY = (unsigned long)sprite._width*(sprite._height - lY), - offZ = (unsigned long)_width*_height*(_depth - lZ), - soffZ = (unsigned long)sprite._width*sprite._height*(sprite._depth - lZ); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - if (lX>0 && lY>0 && lZ>0 && lC>0) { - T *ptrd = data(x0<0?0:x0,y0<0?0:y0,z0<0?0:z0,c0<0?0:c0); - for (int v = 0; v=1) for (int x = 0; x& draw_image(const int x0, const int y0, const int z0, const int c0, - const CImg& sprite, const float opacity=1) { - if (is_empty() || !sprite) return *this; - if (is_overlapped(sprite)) return draw_image(x0,y0,z0,c0,+sprite,opacity); - if (x0==0 && y0==0 && z0==0 && c0==0 && is_sameXYZC(sprite) && opacity>=1 && !is_shared()) - return assign(sprite,false); - const bool bx = (x0<0), by = (y0<0), bz = (z0<0), bc = (c0<0); - const int - lX = sprite.width() - (x0 + sprite.width()>width()?x0 + sprite.width() - width():0) + (bx?x0:0), - lY = sprite.height() - (y0 + sprite.height()>height()?y0 + sprite.height() - height():0) + (by?y0:0), - lZ = sprite.depth() - (z0 + sprite.depth()>depth()?z0 + sprite.depth() - depth():0) + (bz?z0:0), - lC = sprite.spectrum() - (c0 + sprite.spectrum()>spectrum()?c0 + sprite.spectrum() - spectrum():0) + (bc?c0:0); - const T - *ptrs = sprite._data + - (bx?-x0:0) + - (by?-y0*(uptrT)sprite.width():0) + - (bz?-z0*(uptrT)sprite.width()*sprite.height():0) + - (bc?-c0*(uptrT)sprite.width()*sprite.height()*sprite.depth():0); - const unsigned long - offX = (unsigned long)_width - lX, - soffX = (unsigned long)sprite._width - lX, - offY = (unsigned long)_width*(_height - lY), - soffY = (unsigned long)sprite._width*(sprite._height - lY), - offZ = (unsigned long)_width*_height*(_depth - lZ), - soffZ = (unsigned long)sprite._width*sprite._height*(sprite._depth - lZ), - slX = lX*sizeof(T); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - if (lX>0 && lY>0 && lZ>0 && lC>0) { - T *ptrd = data(x0<0?0:x0,y0<0?0:y0,z0<0?0:z0,c0<0?0:c0); - for (int v = 0; v=1) - for (int y = 0; y - CImg& draw_image(const int x0, const int y0, const int z0, - const CImg& sprite, const float opacity=1) { - return draw_image(x0,y0,z0,0,sprite,opacity); - } - - //! Draw an image \overloading. - template - CImg& draw_image(const int x0, const int y0, - const CImg& sprite, const float opacity=1) { - return draw_image(x0,y0,0,sprite,opacity); - } - - //! Draw an image \overloading. - template - CImg& draw_image(const int x0, - const CImg& sprite, const float opacity=1) { - return draw_image(x0,0,sprite,opacity); - } - - //! Draw an image \overloading. - template - CImg& draw_image(const CImg& sprite, const float opacity=1) { - return draw_image(0,sprite,opacity); - } - - //! Draw a masked image. - /** - \param sprite Sprite image. - \param mask Mask image. - \param x0 X-coordinate of the sprite position in the image instance. - \param y0 Y-coordinate of the sprite position in the image instance. - \param z0 Z-coordinate of the sprite position in the image instance. - \param c0 C-coordinate of the sprite position in the image instance. - \param mask_max_value Maximum pixel value of the mask image \c mask. - \param opacity Drawing opacity. - \note - - Pixel values of \c mask set the opacity of the corresponding pixels in \c sprite. - - Dimensions along x,y and z of \p sprite and \p mask must be the same. - **/ - template - CImg& draw_image(const int x0, const int y0, const int z0, const int c0, - const CImg& sprite, const CImg& mask, const float opacity=1, - const float mask_max_value=1) { - if (is_empty() || !sprite || !mask) return *this; - if (is_overlapped(sprite)) return draw_image(x0,y0,z0,c0,+sprite,mask,opacity,mask_max_value); - if (is_overlapped(mask)) return draw_image(x0,y0,z0,c0,sprite,+mask,opacity,mask_max_value); - if (mask._width!=sprite._width || mask._height!=sprite._height || mask._depth!=sprite._depth) - throw CImgArgumentException(_cimg_instance - "draw_image(): Sprite (%u,%u,%u,%u,%p) and mask (%u,%u,%u,%u,%p) have " - "incompatible dimensions.", - cimg_instance, - sprite._width,sprite._height,sprite._depth,sprite._spectrum,sprite._data, - mask._width,mask._height,mask._depth,mask._spectrum,mask._data); - - const bool bx = (x0<0), by = (y0<0), bz = (z0<0), bc = (c0<0); - const int - lX = sprite.width() - (x0 + sprite.width()>width()?x0 + sprite.width() - width():0) + (bx?x0:0), - lY = sprite.height() - (y0 + sprite.height()>height()?y0 + sprite.height() - height():0) + (by?y0:0), - lZ = sprite.depth() - (z0 + sprite.depth()>depth()?z0 + sprite.depth() - depth():0) + (bz?z0:0), - lC = sprite.spectrum() - (c0 + sprite.spectrum()>spectrum()?c0 + sprite.spectrum() - spectrum():0) + (bc?c0:0); - const uptrT - coff = (bx?-x0:0) + - (by?-y0*(uptrT)mask.width():0) + - (bz?-z0*(uptrT)mask.width()*mask.height():0) + - (bc?-c0*(uptrT)mask.width()*mask.height()*mask.depth():0), - ssize = (uptrT)mask.width()*mask.height()*mask.depth()*mask.spectrum(); - const ti *ptrs = sprite._data + coff; - const tm *ptrm = mask._data + coff; - const unsigned long - offX = (unsigned long)_width - lX, - soffX = (unsigned long)sprite._width - lX, - offY = (unsigned long)_width*(_height - lY), - soffY = (unsigned long)sprite._width*(sprite._height - lY), - offZ = (unsigned long)_width*_height*(_depth - lZ), - soffZ = (unsigned long)sprite._width*sprite._height*(sprite._depth - lZ); - if (lX>0 && lY>0 && lZ>0 && lC>0) { - T *ptrd = data(x0<0?0:x0,y0<0?0:y0,z0<0?0:z0,c0<0?0:c0); - for (int c = 0; c - CImg& draw_image(const int x0, const int y0, const int z0, - const CImg& sprite, const CImg& mask, const float opacity=1, - const float mask_max_value=1) { - return draw_image(x0,y0,z0,0,sprite,mask,opacity,mask_max_value); - } - - //! Draw a image \overloading. - template - CImg& draw_image(const int x0, const int y0, - const CImg& sprite, const CImg& mask, const float opacity=1, - const float mask_max_value=1) { - return draw_image(x0,y0,0,sprite,mask,opacity,mask_max_value); - } - - //! Draw a image \overloading. - template - CImg& draw_image(const int x0, - const CImg& sprite, const CImg& mask, const float opacity=1, - const float mask_max_value=1) { - return draw_image(x0,0,sprite,mask,opacity,mask_max_value); - } - - //! Draw an image. - template - CImg& draw_image(const CImg& sprite, const CImg& mask, const float opacity=1, - const float mask_max_value=1) { - return draw_image(0,sprite,mask,opacity,mask_max_value); - } - - //! Draw a text string. - /** - \param x0 X-coordinate of the text in the image instance. - \param y0 Y-coordinate of the text in the image instance. - \param text Format of the text ('printf'-style format string). - \param foreground_color Pointer to \c spectrum() consecutive values, defining the foreground drawing color. - \param background_color Pointer to \c spectrum() consecutive values, defining the background drawing color. - \param opacity Drawing opacity. - \param font Font used for drawing text. - **/ - template - CImg& draw_text(const int x0, const int y0, - const char *const text, - const tc1 *const foreground_color, const tc2 *const background_color, - const float opacity, const CImgList& font, ...) { - if (!font) return *this; - CImg tmp(2048); - std::va_list ap; va_start(ap,font); - cimg_vsnprintf(tmp,tmp._width,text,ap); va_end(ap); - return _draw_text(x0,y0,tmp,foreground_color,background_color,opacity,font,false); - } - - //! Draw a text string \overloading. - /** - \note A transparent background is used for the text. - **/ - template - CImg& draw_text(const int x0, const int y0, - const char *const text, - const tc *const foreground_color, const int, - const float opacity, const CImgList& font, ...) { - if (!font) return *this; - CImg tmp(2048); - std::va_list ap; va_start(ap,font); - cimg_vsnprintf(tmp,tmp._width,text,ap); va_end(ap); - return _draw_text(x0,y0,tmp,foreground_color,(tc*)0,opacity,font,false); - } - - //! Draw a text string \overloading. - /** - \note A transparent foreground is used for the text. - **/ - template - CImg& draw_text(const int x0, const int y0, - const char *const text, - const int, const tc *const background_color, - const float opacity, const CImgList& font, ...) { - if (!font) return *this; - CImg tmp(2048); - std::va_list ap; va_start(ap,font); - cimg_vsnprintf(tmp,tmp._width,text,ap); va_end(ap); - return _draw_text(x0,y0,tmp,(tc*)0,background_color,opacity,font,false); - } - - //! Draw a text string \overloading. - /** - \param x0 X-coordinate of the text in the image instance. - \param y0 Y-coordinate of the text in the image instance. - \param text Format of the text ('printf'-style format string). - \param foreground_color Array of spectrum() values of type \c T, - defining the foreground color (0 means 'transparent'). - \param background_color Array of spectrum() values of type \c T, - defining the background color (0 means 'transparent'). - \param opacity Drawing opacity. - \param font_height Height of the text font (exact match for 13,23,53,103, interpolated otherwise). - **/ - template - CImg& draw_text(const int x0, const int y0, - const char *const text, - const tc1 *const foreground_color, const tc2 *const background_color, - const float opacity=1, const unsigned int font_height=13, ...) { - if (!font_height) return *this; - CImg tmp(2048); - std::va_list ap; va_start(ap,font_height); - cimg_vsnprintf(tmp,tmp._width,text,ap); va_end(ap); - const CImgList& font = CImgList::font(font_height,true); - _draw_text(x0,y0,tmp,foreground_color,background_color,opacity,font,true); - return *this; - } - - //! Draw a text string \overloading. - template - CImg& draw_text(const int x0, const int y0, - const char *const text, - const tc *const foreground_color, const int background_color=0, - const float opacity=1, const unsigned int font_height=13, ...) { - if (!font_height) return *this; - cimg::unused(background_color); - CImg tmp(2048); - std::va_list ap; va_start(ap,font_height); - cimg_vsnprintf(tmp,tmp._width,text,ap); va_end(ap); - return draw_text(x0,y0,"%s",foreground_color,(const tc*)0,opacity,font_height,tmp._data); - } - - //! Draw a text string \overloading. - template - CImg& draw_text(const int x0, const int y0, - const char *const text, - const int, const tc *const background_color, - const float opacity=1, const unsigned int font_height=13, ...) { - if (!font_height) return *this; - CImg tmp(2048); - std::va_list ap; va_start(ap,font_height); - cimg_vsnprintf(tmp,tmp._width,text,ap); va_end(ap); - return draw_text(x0,y0,"%s",(tc*)0,background_color,opacity,font_height,tmp._data); - } - - template - CImg& _draw_text(const int x0, const int y0, - const char *const text, - const tc1 *const foreground_color, const tc2 *const background_color, - const float opacity, const CImgList& font, - const bool is_native_font) { - if (!text) return *this; - if (!font) - throw CImgArgumentException(_cimg_instance - "draw_text(): Empty specified font.", - cimg_instance); - - const unsigned int text_length = (unsigned int)std::strlen(text); - const bool _is_empty = is_empty(); - if (_is_empty) { - // If needed, pre-compute necessary size of the image - int x = 0, y = 0, w = 0; - unsigned char c = 0; - for (unsigned int i = 0; iw) w = x; x = 0; break; - case '\t' : x+=4*font[' ']._width; break; - default : if (cw) w=x; - y+=font[0]._height; - } - assign(x0 + w,y0 + y,1,is_native_font?1:font[0]._spectrum,0); - } - - int x = x0, y = y0; - for (unsigned int i = 0; i letter = font[c]; - if (letter) { - if (is_native_font && _spectrum>letter._spectrum) letter.resize(-100,-100,1,_spectrum,0,2); - const unsigned int cmin = cimg::min(_spectrum,letter._spectrum); - if (foreground_color) - for (unsigned int c = 0; c - CImg& draw_quiver(const CImg& flow, - const t2 *const color, const float opacity=1, - const unsigned int sampling=25, const float factor=-20, - const bool is_arrow=true, const unsigned int pattern=~0U) { - return draw_quiver(flow,CImg(color,_spectrum,1,1,1,true),opacity,sampling,factor,is_arrow,pattern); - } - - //! Draw a 2d vector field, using a field of colors. - /** - \param flow Image of 2d vectors used as input data. - \param color Image of spectrum()-D vectors corresponding to the color of each arrow. - \param opacity Opacity of the drawing. - \param sampling Length (in pixels) between each arrow. - \param factor Length factor of each arrow (if <0, computed as a percentage of the maximum length). - \param is_arrow Tells if arrows must be drawn, instead of oriented segments. - \param pattern Used pattern to draw lines. - \note Clipping is supported. - **/ - template - CImg& draw_quiver(const CImg& flow, - const CImg& color, const float opacity=1, - const unsigned int sampling=25, const float factor=-20, - const bool is_arrow=true, const unsigned int pattern=~0U) { - if (is_empty()) return *this; - if (!flow || flow._spectrum!=2) - throw CImgArgumentException(_cimg_instance - "draw_quiver(): Invalid dimensions of specified flow (%u,%u,%u,%u,%p).", - cimg_instance, - flow._width,flow._height,flow._depth,flow._spectrum,flow._data); - if (sampling<=0) - throw CImgArgumentException(_cimg_instance - "draw_quiver(): Invalid sampling value %g " - "(should be >0)", - cimg_instance, - sampling); - const bool colorfield = (color._width==flow._width && color._height==flow._height && - color._depth==1 && color._spectrum==_spectrum); - if (is_overlapped(flow)) return draw_quiver(+flow,color,opacity,sampling,factor,is_arrow,pattern); - float vmax,fact; - if (factor<=0) { - float m, M = (float)flow.get_norm(2).max_min(m); - vmax = (float)cimg::max(cimg::abs(m),cimg::abs(M)); - if (!vmax) vmax = 1; - fact = -factor; - } else { fact = factor; vmax = 1; } - - for (unsigned int y = sampling/2; y<_height; y+=sampling) - for (unsigned int x = sampling/2; x<_width; x+=sampling) { - const unsigned int X = x*flow._width/_width, Y = y*flow._height/_height; - float u = (float)flow(X,Y,0,0)*fact/vmax, v = (float)flow(X,Y,0,1)*fact/vmax; - if (is_arrow) { - const int xx = (int)(x + u), yy = (int)(y + v); - if (colorfield) draw_arrow(x,y,xx,yy,color.get_vector_at(X,Y)._data,opacity,45,sampling/5.0f,pattern); - else draw_arrow(x,y,xx,yy,color._data,opacity,45,sampling/5.0f,pattern); - } else { - if (colorfield) - draw_line((int)(x - 0.5*u),(int)(y - 0.5*v),(int)(x + 0.5*u),(int)(y + 0.5*v), - color.get_vector_at(X,Y)._data,opacity,pattern); - else draw_line((int)(x - 0.5*u),(int)(y - 0.5*v),(int)(x + 0.5*u),(int)(y + 0.5*v), - color._data,opacity,pattern); - } - } - return *this; - } - - //! Draw a labeled horizontal axis. - /** - \param values_x Values along the horizontal axis. - \param y Y-coordinate of the horizontal axis in the image instance. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param opacity Drawing opacity. - \param pattern Drawing pattern. - \param font_height Height of the labels (exact match for 13,23,53,103, interpolated otherwise). - \param allow_zero Enable/disable the drawing of label '0' if found. - **/ - template - CImg& draw_axis(const CImg& values_x, const int y, - const tc *const color, const float opacity=1, - const unsigned int pattern=~0U, const unsigned int font_height=13, - const bool allow_zero=true) { - if (is_empty()) return *this; - const int yt = (y + 3 + font_height)<_height?y + 3:y - 2 - (int)font_height; - const int siz = (int)values_x.size() - 1; - CImg txt(32); - CImg label; - if (siz<=0) { // Degenerated case. - draw_line(0,y,_width - 1,y,color,opacity,pattern); - if (!siz) { - cimg_snprintf(txt,txt._width,"%g",(double)*values_x); - label.assign().draw_text(0,0,txt,color,(tc*)0,opacity,font_height); - const int - _xt = (width() - label.width())/2, - xt = _xt<3?3:_xt + label.width()>=width() - 2?width() - 3 - label.width():_xt; - draw_point(width()/2,y - 1,color,opacity).draw_point(width()/2,y + 1,color,opacity); - if (allow_zero || *txt!='0' || txt[1]!=0) - draw_text(xt,yt,txt,color,(tc*)0,opacity,font_height); - } - } else { // Regular case. - if (values_x[0]=width() - 2?width() - 3 - label.width():_xt; - draw_point(xi,y - 1,color,opacity).draw_point(xi,y + 1,color,opacity); - if (allow_zero || *txt!='0' || txt[1]!=0) - draw_text(xt,yt,txt,color,(tc*)0,opacity,font_height); - } - } - return *this; - } - - //! Draw a labeled vertical axis. - /** - \param x X-coordinate of the vertical axis in the image instance. - \param values_y Values along the Y-axis. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param opacity Drawing opacity. - \param pattern Drawing pattern. - \param font_height Height of the labels (exact match for 13,23,53,103, interpolated otherwise). - \param allow_zero Enable/disable the drawing of label '0' if found. - **/ - template - CImg& draw_axis(const int x, const CImg& values_y, - const tc *const color, const float opacity=1, - const unsigned int pattern=~0U, const unsigned int font_height=13, - const bool allow_zero=true) { - if (is_empty()) return *this; - int siz = (int)values_y.size() - 1; - CImg txt(32); - CImg label; - if (siz<=0) { // Degenerated case. - draw_line(x,0,x,_height - 1,color,opacity,pattern); - if (!siz) { - cimg_snprintf(txt,txt._width,"%g",(double)*values_y); - label.assign().draw_text(0,0,txt,color,(tc*)0,opacity,font_height); - const int - _yt = (height() - label.height())/2, - yt = _yt<0?0:_yt + label.height()>=height()?height() - 1-label.height():_yt, - _xt = x - 2 - label.width(), - xt = _xt>=0?_xt:x + 3; - draw_point(x - 1,height()/2,color,opacity).draw_point(x + 1,height()/2,color,opacity); - if (allow_zero || *txt!='0' || txt[1]!=0) - draw_text(xt,yt,txt,color,(tc*)0,opacity,font_height); - } - } else { // Regular case. - if (values_y[0]=height()?height() - 1-label.height():_yt, - _xt = x - 2 - label.width(), - xt = _xt>=0?_xt:x + 3; - draw_point(x - 1,yi,color,opacity).draw_point(x + 1,yi,color,opacity); - if (allow_zero || *txt!='0' || txt[1]!=0) - draw_text(xt,yt,txt,color,(tc*)0,opacity,font_height); - } - } - return *this; - } - - //! Draw labeled horizontal and vertical axes. - /** - \param values_x Values along the X-axis. - \param values_y Values along the Y-axis. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param opacity Drawing opacity. - \param pattern_x Drawing pattern for the X-axis. - \param pattern_y Drawing pattern for the Y-axis. - \param font_height Height of the labels (exact match for 13,23,53,103, interpolated otherwise). - \param allow_zero Enable/disable the drawing of label '0' if found. - **/ - template - CImg& draw_axes(const CImg& values_x, const CImg& values_y, - const tc *const color, const float opacity=1, - const unsigned int pattern_x=~0U, const unsigned int pattern_y=~0U, - const unsigned int font_height=13, const bool allow_zero=true) { - if (is_empty()) return *this; - const CImg nvalues_x(values_x._data,values_x.size(),1,1,1,true); - const int sizx = (int)values_x.size() - 1, wm1 = width() - 1; - if (sizx>=0) { - float ox = (float)*nvalues_x; - for (unsigned int x = sizx?1U:0U; x<_width; ++x) { - const float nx = (float)nvalues_x._linear_atX((float)x*sizx/wm1); - if (nx*ox<=0) { draw_axis(nx==0?x:x - 1,values_y,color,opacity,pattern_y,font_height,allow_zero); break; } - ox = nx; - } - } - const CImg nvalues_y(values_y._data,values_y.size(),1,1,1,true); - const int sizy = (int)values_y.size() - 1, hm1 = height() - 1; - if (sizy>0) { - float oy = (float)nvalues_y[0]; - for (unsigned int y = sizy?1U:0U; y<_height; ++y) { - const float ny = (float)nvalues_y._linear_atX((float)y*sizy/hm1); - if (ny*oy<=0) { draw_axis(values_x,ny==0?y:y - 1,color,opacity,pattern_x,font_height,allow_zero); break; } - oy = ny; - } - } - return *this; - } - - //! Draw labeled horizontal and vertical axes \overloading. - template - CImg& draw_axes(const float x0, const float x1, const float y0, const float y1, - const tc *const color, const float opacity=1, - const int subdivisionx=-60, const int subdivisiony=-60, - const float precisionx=0, const float precisiony=0, - const unsigned int pattern_x=~0U, const unsigned int pattern_y=~0U, - const unsigned int font_height=13) { - if (is_empty()) return *this; - const bool allow_zero = (x0*x1>0) || (y0*y1>0); - const float - dx = cimg::abs(x1-x0), dy = cimg::abs(y1-y0), - px = dx<=0?1:precisionx==0?(float)std::pow(10.0,(int)std::log10(dx) - 2.0):precisionx, - py = dy<=0?1:precisiony==0?(float)std::pow(10.0,(int)std::log10(dy) - 2.0):precisiony; - if (x0!=x1 && y0!=y1) - draw_axes(CImg::sequence(subdivisionx>0?subdivisionx:1-width()/subdivisionx,x0,x1).round(px), - CImg::sequence(subdivisiony>0?subdivisiony:1-height()/subdivisiony,y0,y1).round(py), - color,opacity,pattern_x,pattern_y,font_height,allow_zero); - else if (x0==x1 && y0!=y1) - draw_axis((int)x0,CImg::sequence(subdivisiony>0?subdivisiony:1-height()/subdivisiony,y0,y1).round(py), - color,opacity,pattern_y,font_height); - else if (x0!=x1 && y0==y1) - draw_axis(CImg::sequence(subdivisionx>0?subdivisionx:1-width()/subdivisionx,x0,x1).round(px),(int)y0, - color,opacity,pattern_x,font_height); - return *this; - } - - //! Draw 2d grid. - /** - \param values_x X-coordinates of the vertical lines. - \param values_y Y-coordinates of the horizontal lines. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param opacity Drawing opacity. - \param pattern_x Drawing pattern for vertical lines. - \param pattern_y Drawing pattern for horizontal lines. - **/ - template - CImg& draw_grid(const CImg& values_x, const CImg& values_y, - const tc *const color, const float opacity=1, - const unsigned int pattern_x=~0U, const unsigned int pattern_y=~0U) { - if (is_empty()) return *this; - if (values_x) cimg_foroff(values_x,x) { - const int xi = (int)values_x[x]; - if (xi>=0 && xi=0 && yi - CImg& draw_grid(const float delta_x, const float delta_y, - const float offsetx, const float offsety, - const bool invertx, const bool inverty, - const tc *const color, const float opacity=1, - const unsigned int pattern_x=~0U, const unsigned int pattern_y=~0U) { - if (is_empty()) return *this; - CImg seqx, seqy; - if (delta_x!=0) { - const float dx = delta_x>0?delta_x:_width*-delta_x/100; - const unsigned int nx = (unsigned int)(_width/dx); - seqx = CImg::sequence(1 + nx,0,(unsigned int)(dx*nx)); - if (offsetx) cimg_foroff(seqx,x) seqx(x) = (unsigned int)cimg::mod(seqx(x) + offsetx,(float)_width); - if (invertx) cimg_foroff(seqx,x) seqx(x) = _width - 1 - seqx(x); - } - if (delta_y!=0) { - const float dy = delta_y>0?delta_y:_height*-delta_y/100; - const unsigned int ny = (unsigned int)(_height/dy); - seqy = CImg::sequence(1 + ny,0,(unsigned int)(dy*ny)); - if (offsety) cimg_foroff(seqy,y) seqy(y) = (unsigned int)cimg::mod(seqy(y) + offsety,(float)_height); - if (inverty) cimg_foroff(seqy,y) seqy(y) = _height - 1 - seqy(y); - } - return draw_grid(seqx,seqy,color,opacity,pattern_x,pattern_y); - } - - //! Draw 1d graph. - /** - \param data Image containing the graph values I = f(x). - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param opacity Drawing opacity. - - \param plot_type Define the type of the plot: - - 0 = No plot. - - 1 = Plot using segments. - - 2 = Plot using cubic splines. - - 3 = Plot with bars. - \param vertex_type Define the type of points: - - 0 = No points. - - 1 = Point. - - 2 = Straight cross. - - 3 = Diagonal cross. - - 4 = Filled circle. - - 5 = Outlined circle. - - 6 = Square. - - 7 = Diamond. - \param ymin Lower bound of the y-range. - \param ymax Upper bound of the y-range. - \param pattern Drawing pattern. - \note - - if \c ymin==ymax==0, the y-range is computed automatically from the input samples. - **/ - template - CImg& draw_graph(const CImg& data, - const tc *const color, const float opacity=1, - const unsigned int plot_type=1, const int vertex_type=1, - const double ymin=0, const double ymax=0, const unsigned int pattern=~0U) { - if (is_empty() || _height<=1) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_graph(): Specified color is (null).", - cimg_instance); - - // Create shaded colors for displaying bar plots. - CImg color1, color2; - if (plot_type==3) { - color1.assign(_spectrum); color2.assign(_spectrum); - cimg_forC(*this,c) { - color1[c] = (tc)cimg::min((float)cimg::type::max(),color[c]*1.2f); - color2[c] = (tc)(color[c]*0.4f); - } - } - - // Compute min/max and normalization factors. - const unsigned long - siz = data.size(), - _siz1 = siz - (plot_type!=3?1:0), - siz1 = _siz1?_siz1:1; - const unsigned int - _width1 = _width - (plot_type!=3?1:0), - width1 = _width1?_width1:1; - double m = ymin, M = ymax; - if (ymin==ymax) m = (double)data.max_min(M); - if (m==M) { --m; ++M; } - const float ca = (float)(M-m)/(_height - 1); - bool init_hatch = true; - - // Draw graph edges - switch (plot_type%4) { - case 1 : { // Segments - int oX = 0, oY = (int)((data[0] - m)/ca); - if (siz==1) { - const int Y = (int)((*data - m)/ca); - draw_line(0,Y,width() - 1,Y,color,opacity,pattern); - } else { - const float fx = (float)_width/siz1; - for (unsigned long off = 1; off ndata(data._data,siz,1,1,1,true); - int oY = (int)((data[0] - m)/ca); - cimg_forX(*this,x) { - const int Y = (int)((ndata._cubic_atX((float)x*siz1/width1)-m)/ca); - if (x>0) draw_line(x,oY,x + 1,Y,color,opacity,pattern,init_hatch); - init_hatch = false; - oY = Y; - } - } break; - case 3 : { // Bars - const int Y0 = (int)(-m/ca); - const float fx = (float)_width/siz1; - int oX = 0; - cimg_foroff(data,off) { - const int - X = (int)((off + 1)*fx) - 1, - Y = (int)((data[off] - m)/ca); - draw_rectangle(oX,Y0,X,Y,color,opacity). - draw_line(oX,Y,oX,Y0,color2.data(),opacity). - draw_line(oX,Y0,X,Y0,Y<=Y0?color2.data():color1.data(),opacity). - draw_line(X,Y,X,Y0,color1.data(),opacity). - draw_line(oX,Y,X,Y,Y<=Y0?color1.data():color2.data(),opacity); - oX = X + 1; - } - } break; - default : break; // No edges - } - - // Draw graph points - const unsigned int wb2 = plot_type==3?_width1/(2*siz):0; - const float fx = (float)_width1/siz1; - switch (vertex_type%8) { - case 1 : { // Point - cimg_foroff(data,off) { - const int - X = (int)(off*fx + wb2), - Y = (int)((data[off]-m)/ca); - draw_point(X,Y,color,opacity); - } - } break; - case 2 : { // Straight Cross - cimg_foroff(data,off) { - const int - X = (int)(off*fx + wb2), - Y = (int)((data[off]-m)/ca); - draw_line(X - 3,Y,X + 3,Y,color,opacity).draw_line(X,Y - 3,X,Y + 3,color,opacity); - } - } break; - case 3 : { // Diagonal Cross - cimg_foroff(data,off) { - const int - X = (int)(off*fx + wb2), - Y = (int)((data[off]-m)/ca); - draw_line(X - 3,Y - 3,X + 3,Y + 3,color,opacity).draw_line(X - 3,Y + 3,X + 3,Y - 3,color,opacity); - } - } break; - case 4 : { // Filled Circle - cimg_foroff(data,off) { - const int - X = (int)(off*fx + wb2), - Y = (int)((data[off]-m)/ca); - draw_circle(X,Y,3,color,opacity); - } - } break; - case 5 : { // Outlined circle - cimg_foroff(data,off) { - const int - X = (int)(off*fx + wb2), - Y = (int)((data[off]-m)/ca); - draw_circle(X,Y,3,color,opacity,0U); - } - } break; - case 6 : { // Square - cimg_foroff(data,off) { - const int - X = (int)(off*fx + wb2), - Y = (int)((data[off]-m)/ca); - draw_rectangle(X - 3,Y - 3,X + 3,Y + 3,color,opacity,~0U); - } - } break; - case 7 : { // Diamond - cimg_foroff(data,off) { - const int - X = (int)(off*fx + wb2), - Y = (int)((data[off]-m)/ca); - draw_line(X,Y - 4,X + 4,Y,color,opacity). - draw_line(X + 4,Y,X,Y + 4,color,opacity). - draw_line(X,Y + 4,X - 4,Y,color,opacity). - draw_line(X - 4,Y,X,Y - 4,color,opacity); - } - } break; - default : break; // No points - } - return *this; - } - - //! Draw filled 3d region with the flood fill algorithm. - /** - \param x X-coordinate of the starting point of the region to fill. - \param y Y-coordinate of the starting point of the region to fill. - \param z Z-coordinate of the starting point of the region to fill. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param[out] region Image that will contain the mask of the filled region mask, as an output. - \param sigma Tolerance concerning neighborhood values. - \param opacity Opacity of the drawing. - \param is_high_connexity Tells if 8-connexity must be used (only for 2d images). - \return \c region is initialized with the binary mask of the filled region. - **/ - template - CImg& draw_fill(const int x, const int y, const int z, - const tc *const color, const float opacity, - CImg& region, const float sigma=0, - const bool is_high_connexity=false) { - -#define _cimg_draw_fill_test(x,y,z,res) if (region(x,y,z)) res = false; else { \ - res = true; \ - const T *reference_col = reference_color._data + _spectrum, *ptrs = data(x,y,z) + siz; \ - for (unsigned int i = _spectrum; res && i; --i) { ptrs-=whd; res = (cimg::abs(*ptrs - *(--reference_col))<=sigma); } \ - region(x,y,z) = (t)(res?1:noregion); \ -} - -#define _cimg_draw_fill_set(x,y,z) { \ - const tc *col = color; \ - T *ptrd = data(x,y,z); \ - if (opacity>=1) cimg_forC(*this,c) { *ptrd = (T)*(col++); ptrd+=whd; } \ - else cimg_forC(*this,c) { *ptrd = (T)(*(col++)*nopacity + *ptrd*copacity); ptrd+=whd; } \ -} - -#define _cimg_draw_fill_insert(x,y,z) { \ - if (posr1>=remaining._height) remaining.resize(3,remaining._height<<1,1,1,0); \ - unsigned int *ptrr = remaining.data(0,posr1); \ - *(ptrr++) = x; *(ptrr++) = y; *(ptrr++) = z; ++posr1; \ -} - -#define _cimg_draw_fill_test_neighbor(x,y,z,cond) if (cond) { \ - const unsigned int tx = x, ty = y, tz = z; \ - _cimg_draw_fill_test(tx,ty,tz,res); if (res) _cimg_draw_fill_insert(tx,ty,tz); \ -} - - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_fill(): Specified color is (null).", - cimg_instance); - - region.assign(_width,_height,_depth,1,(t)0); - if (x>=0 && x=0 && y=0 && z1); - const CImg reference_color = get_vector_at(x,y,z); - CImg remaining(3,512,1,1,0); - remaining(0,0) = (unsigned int)x; - remaining(1,0) = (unsigned int)y; - remaining(2,0) = (unsigned int)z; - unsigned int posr0 = 0, posr1 = 1; - region(x,y,z) = (t)1; - const t noregion = ((t)1==(t)2)?(t)0:(t)-1; - if (is_3d) do { // 3d version of the filling algorithm - const unsigned int *pcurr = remaining.data(0,posr0++), xc = *(pcurr++), yc = *(pcurr++), zc = *(pcurr++); - if (posr0>=512) { remaining.shift(0,-(int)posr0); posr1-=posr0; posr0 = 0; } - bool cont, res; - unsigned int nxc = xc; - do { // X-backward - _cimg_draw_fill_set(nxc,yc,zc); - _cimg_draw_fill_test_neighbor(nxc,yc - 1,zc,yc!=0); - _cimg_draw_fill_test_neighbor(nxc,yc + 1,zc,ycposr0); - else do { // 2d version of the filling algorithm - const unsigned int *pcurr = remaining.data(0,posr0++), xc = *(pcurr++), yc = *(pcurr++); - if (posr0>=512) { remaining.shift(0,-(int)posr0); posr1-=posr0; posr0 = 0; } - bool cont, res; - unsigned int nxc = xc; - do { // X-backward - _cimg_draw_fill_set(nxc,yc,0); - _cimg_draw_fill_test_neighbor(nxc,yc - 1,0,yc!=0); - _cimg_draw_fill_test_neighbor(nxc,yc + 1,0,ycposr0); - if (noregion) cimg_for(region,ptrd,t) if (*ptrd==noregion) *ptrd = (t)0; - } - return *this; - } - - //! Draw filled 3d region with the flood fill algorithm \simplification. - template - CImg& draw_fill(const int x, const int y, const int z, - const tc *const color, const float opacity=1, - const float sigma=0, const bool is_high_connexity=false) { - CImg tmp; - return draw_fill(x,y,z,color,opacity,tmp,sigma,is_high_connexity); - } - - //! Draw filled 2d region with the flood fill algorithm \simplification. - template - CImg& draw_fill(const int x, const int y, - const tc *const color, const float opacity=1, - const float sigma=0, const bool is_high_connexity=false) { - CImg tmp; - return draw_fill(x,y,0,color,opacity,tmp,sigma,is_high_connexity); - } - - //! Draw a random plasma texture. - /** - \param alpha Alpha-parameter. - \param beta Beta-parameter. - \param scale Scale-parameter. - \note Use the mid-point algorithm to render. - **/ - CImg& draw_plasma(const float alpha=1, const float beta=0, const unsigned int scale=8) { - if (is_empty()) return *this; - const int w = width(), h = height(); - const Tfloat m = (Tfloat)cimg::type::min(), M = (Tfloat)cimg::type::max(); - cimg_forZC(*this,z,c) { - CImg ref = get_shared_slice(z,c); - for (int delta = 1<1; delta>>=1) { - const int delta2 = delta>>1; - const float r = alpha*delta + beta; - - // Square step. - for (int y0 = 0; y0M?M:val); - } - - // Diamond steps. - for (int y = -delta2; yM?M:val); - } - for (int y0 = 0; y0M?M:val); - } - for (int y = -delta2; yM?M:val); - } - } - } - return *this; - } - - //! Draw a quadratic Mandelbrot or Julia 2d fractal. - /** - \param x0 X-coordinate of the upper-left pixel. - \param y0 Y-coordinate of the upper-left pixel. - \param x1 X-coordinate of the lower-right pixel. - \param y1 Y-coordinate of the lower-right pixel. - \param colormap Colormap. - \param opacity Drawing opacity. - \param z0r Real part of the upper-left fractal vertex. - \param z0i Imaginary part of the upper-left fractal vertex. - \param z1r Real part of the lower-right fractal vertex. - \param z1i Imaginary part of the lower-right fractal vertex. - \param iteration_max Maximum number of iterations for each estimated point. - \param is_normalized_iteration Tells if iterations are normalized. - \param is_julia_set Tells if the Mandelbrot or Julia set is rendered. - \param param_r Real part of the Julia set parameter. - \param param_i Imaginary part of the Julia set parameter. - \note Fractal rendering is done by the Escape Time Algorithm. - **/ - template - CImg& draw_mandelbrot(const int x0, const int y0, const int x1, const int y1, - const CImg& colormap, const float opacity=1, - const double z0r=-2, const double z0i=-2, const double z1r=2, const double z1i=2, - const unsigned int iteration_max=255, - const bool is_normalized_iteration=false, - const bool is_julia_set=false, - const double param_r=0, const double param_i=0) { - if (is_empty()) return *this; - CImg palette; - if (colormap) palette.assign(colormap._data,colormap.size()/colormap._spectrum,1,1,colormap._spectrum,true); - if (palette && palette._spectrum!=_spectrum) - throw CImgArgumentException(_cimg_instance - "draw_mandelbrot(): Instance and specified colormap (%u,%u,%u,%u,%p) have " - "incompatible dimensions.", - cimg_instance, - colormap._width,colormap._height,colormap._depth,colormap._spectrum,colormap._data); - - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0), ln2 = (float)std::log(2.0); - const int - _x0 = x0<0?0:x0>=width()?width() - 1:x0, - _y0 = y0<0?0:y0>=height()?height() - 1:y0, - _x1 = x1<0?1:x1>=width()?width() - 1:x1, - _y1 = y1<0?1:y1>=height()?height() - 1:y1; -#ifdef cimg_use_openmp -#pragma omp parallel for collapse(2) if ((1 + _x1 - _x0)*(1 + _y1 - _y0)>=2048) -#endif - for (int q = _y0; q<=_y1; ++q) - for (int p = _x0; p<=_x1; ++p) { - unsigned int iteration = 0; - const double x = z0r + p*(z1r-z0r)/_width, y = z0i + q*(z1i-z0i)/_height; - double zr, zi, cr, ci; - if (is_julia_set) { zr = x; zi = y; cr = param_r; ci = param_i; } - else { zr = param_r; zi = param_i; cr = x; ci = y; } - for (iteration=1; zr*zr + zi*zi<=4 && iteration<=iteration_max; ++iteration) { - const double temp = zr*zr - zi*zi + cr; - zi = 2*zr*zi + ci; - zr = temp; - } - if (iteration>iteration_max) { - if (palette) { - if (opacity>=1) cimg_forC(*this,c) (*this)(p,q,0,c) = (T)palette(0,c); - else cimg_forC(*this,c) (*this)(p,q,0,c) = (T)(palette(0,c)*nopacity + (*this)(p,q,0,c)*copacity); - } else { - if (opacity>=1) cimg_forC(*this,c) (*this)(p,q,0,c) = (T)0; - else cimg_forC(*this,c) (*this)(p,q,0,c) = (T)((*this)(p,q,0,c)*copacity); - } - } else if (is_normalized_iteration) { - const float - normz = (float)cimg::abs(zr*zr + zi*zi), - niteration = (float)(iteration + 1 - std::log(std::log(normz))/ln2); - if (palette) { - if (opacity>=1) cimg_forC(*this,c) (*this)(p,q,0,c) = (T)palette._linear_atX(niteration,c); - else cimg_forC(*this,c) - (*this)(p,q,0,c) = (T)(palette._linear_atX(niteration,c)*nopacity + (*this)(p,q,0,c)*copacity); - } else { - if (opacity>=1) cimg_forC(*this,c) (*this)(p,q,0,c) = (T)niteration; - else cimg_forC(*this,c) (*this)(p,q,0,c) = (T)(niteration*nopacity + (*this)(p,q,0,c)*copacity); - } - } else { - if (palette) { - if (opacity>=1) cimg_forC(*this,c) (*this)(p,q,0,c) = (T)palette._atX(iteration,c); - else cimg_forC(*this,c) (*this)(p,q,0,c) = (T)(palette(iteration,c)*nopacity + (*this)(p,q,0,c)*copacity); - } else { - if (opacity>=1) cimg_forC(*this,c) (*this)(p,q,0,c) = (T)iteration; - else cimg_forC(*this,c) (*this)(p,q,0,c) = (T)(iteration*nopacity + (*this)(p,q,0,c)*copacity); - } - } - } - return *this; - } - - //! Draw a quadratic Mandelbrot or Julia 2d fractal \overloading. - template - CImg& draw_mandelbrot(const CImg& colormap, const float opacity=1, - const double z0r=-2, const double z0i=-2, const double z1r=2, const double z1i=2, - const unsigned int iteration_max=255, - const bool is_normalized_iteration=false, - const bool is_julia_set=false, - const double param_r=0, const double param_i=0) { - return draw_mandelbrot(0,0,_width - 1,_height - 1,colormap,opacity, - z0r,z0i,z1r,z1i,iteration_max,is_normalized_iteration,is_julia_set,param_r,param_i); - } - - //! Draw a 1d gaussian function. - /** - \param xc X-coordinate of the gaussian center. - \param sigma Standard variation of the gaussian distribution. - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param opacity Drawing opacity. - **/ - template - CImg& draw_gaussian(const float xc, const float sigma, - const tc *const color, const float opacity=1) { - if (is_empty()) return *this; - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_gaussian(): Specified color is (null).", - cimg_instance); - const float sigma2 = 2*sigma*sigma, nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - const unsigned long whd = (unsigned long)_width*_height*_depth; - const tc *col = color; - cimg_forX(*this,x) { - const float dx = (x - xc), val = (float)std::exp(-dx*dx/sigma2); - T *ptrd = data(x,0,0,0); - if (opacity>=1) cimg_forC(*this,c) { *ptrd = (T)(val*(*col++)); ptrd+=whd; } - else cimg_forC(*this,c) { *ptrd = (T)(nopacity*val*(*col++) + *ptrd*copacity); ptrd+=whd; } - col-=_spectrum; - } - return *this; - } - - //! Draw a 2d gaussian function. - /** - \param xc X-coordinate of the gaussian center. - \param yc Y-coordinate of the gaussian center. - \param tensor Covariance matrix (must be 2x2). - \param color Pointer to \c spectrum() consecutive values, defining the drawing color. - \param opacity Drawing opacity. - **/ - template - CImg& draw_gaussian(const float xc, const float yc, const CImg& tensor, - const tc *const color, const float opacity=1) { - if (is_empty()) return *this; - if (tensor._width!=2 || tensor._height!=2 || tensor._depth!=1 || tensor._spectrum!=1) - throw CImgArgumentException(_cimg_instance - "draw_gaussian(): Specified tensor (%u,%u,%u,%u,%p) is not a 2x2 matrix.", - cimg_instance, - tensor._width,tensor._height,tensor._depth,tensor._spectrum,tensor._data); - if (!color) - throw CImgArgumentException(_cimg_instance - "draw_gaussian(): Specified color is (null).", - cimg_instance); - typedef typename CImg::Tfloat tfloat; - const CImg invT = tensor.get_invert(), invT2 = (invT*invT)/(-2.0); - const tfloat a = invT2(0,0), b = 2*invT2(1,0), c = invT2(1,1); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - const unsigned long whd = (unsigned long)_width*_height*_depth; - const tc *col = color; - float dy = -yc; - cimg_forY(*this,y) { - float dx = -xc; - cimg_forX(*this,x) { - const float val = (float)std::exp(a*dx*dx + b*dx*dy + c*dy*dy); - T *ptrd = data(x,y,0,0); - if (opacity>=1) cimg_forC(*this,c) { *ptrd = (T)(val*(*col++)); ptrd+=whd; } - else cimg_forC(*this,c) { *ptrd = (T)(nopacity*val*(*col++) + *ptrd*copacity); ptrd+=whd; } - col-=_spectrum; - ++dx; - } - ++dy; - } - return *this; - } - - //! Draw a 2d gaussian function \overloading. - template - CImg& draw_gaussian(const int xc, const int yc, const float r1, const float r2, const float ru, const float rv, - const tc *const color, const float opacity=1) { - const double - a = r1*ru*ru + r2*rv*rv, - b = (r1-r2)*ru*rv, - c = r1*rv*rv + r2*ru*ru; - const CImg tensor(2,2,1,1, a,b,b,c); - return draw_gaussian(xc,yc,tensor,color,opacity); - } - - //! Draw a 2d gaussian function \overloading. - template - CImg& draw_gaussian(const float xc, const float yc, const float sigma, - const tc *const color, const float opacity=1) { - return draw_gaussian(xc,yc,CImg::diagonal(sigma,sigma),color,opacity); - } - - //! Draw a 3d gaussian function \overloading. - template - CImg& draw_gaussian(const float xc, const float yc, const float zc, const CImg& tensor, - const tc *const color, const float opacity=1) { - if (is_empty()) return *this; - typedef typename CImg::Tfloat tfloat; - if (tensor._width!=3 || tensor._height!=3 || tensor._depth!=1 || tensor._spectrum!=1) - throw CImgArgumentException(_cimg_instance - "draw_gaussian(): Specified tensor (%u,%u,%u,%u,%p) is not a 3x3 matrix.", - cimg_instance, - tensor._width,tensor._height,tensor._depth,tensor._spectrum,tensor._data); - - const CImg invT = tensor.get_invert(), invT2 = (invT*invT)/(-2.0); - const tfloat a = invT2(0,0), b = 2*invT2(1,0), c = 2*invT2(2,0), d = invT2(1,1), e = 2*invT2(2,1), f = invT2(2,2); - const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); - const unsigned long whd = (unsigned long)_width*_height*_depth; - const tc *col = color; - cimg_forXYZ(*this,x,y,z) { - const float - dx = (x - xc), dy = (y - yc), dz = (z - zc), - val = (float)std::exp(a*dx*dx + b*dx*dy + c*dx*dz + d*dy*dy + e*dy*dz + f*dz*dz); - T *ptrd = data(x,y,z,0); - if (opacity>=1) cimg_forC(*this,c) { *ptrd = (T)(val*(*col++)); ptrd+=whd; } - else cimg_forC(*this,c) { *ptrd = (T)(nopacity*val*(*col++) + *ptrd*copacity); ptrd+=whd; } - col-=_spectrum; - } - return *this; - } - - //! Draw a 3d gaussian function \overloading. - template - CImg& draw_gaussian(const float xc, const float yc, const float zc, const float sigma, - const tc *const color, const float opacity=1) { - return draw_gaussian(xc,yc,zc,CImg::diagonal(sigma,sigma,sigma),color,opacity); - } - - //! Draw a 3d object. - /** - \param x0 X-coordinate of the 3d object position - \param y0 Y-coordinate of the 3d object position - \param z0 Z-coordinate of the 3d object position - \param vertices Image Nx3 describing 3d point coordinates - \param primitives List of P primitives - \param colors List of P color (or textures) - \param opacities Image or list of P opacities - \param render_type d Render type (0=Points, 1=Lines, 2=Faces (no light), 3=Faces (flat), 4=Faces(Gouraud) - \param is_double_sided Tells if object faces have two sides or are oriented. - \param focale length of the focale (0 for parallel projection) - \param lightx X-coordinate of the light - \param lighty Y-coordinate of the light - \param lightz Z-coordinate of the light - \param specular_lightness Amount of specular light. - \param specular_shininess Shininess of the object - **/ - template - CImg& draw_object3d(const float x0, const float y0, const float z0, - const CImg& vertices, const CImgList& primitives, - const CImgList& colors, const CImg& opacities, - const unsigned int render_type=4, - const bool is_double_sided=false, const float focale=700, - const float lightx=0, const float lighty=0, const float lightz=-5e8, - const float specular_lightness=0.2f, const float specular_shininess=0.1f) { - return draw_object3d(x0,y0,z0,vertices,primitives,colors,opacities,render_type, - is_double_sided,focale,lightx,lighty,lightz, - specular_lightness,specular_shininess,CImg::empty()); - } - - //! Draw a 3d object \simplification. - template - CImg& draw_object3d(const float x0, const float y0, const float z0, - const CImg& vertices, const CImgList& primitives, - const CImgList& colors, const CImg& opacities, - const unsigned int render_type, - const bool is_double_sided, const float focale, - const float lightx, const float lighty, const float lightz, - const float specular_lightness, const float specular_shininess, - CImg& zbuffer) { - return _draw_object3d(0,zbuffer,x0,y0,z0,vertices,primitives,colors,opacities, - render_type,is_double_sided,focale,lightx,lighty,lightz, - specular_lightness,specular_shininess,1); - } - -#ifdef cimg_use_board - template - CImg& draw_object3d(LibBoard::Board& board, - const float x0, const float y0, const float z0, - const CImg& vertices, const CImgList& primitives, - const CImgList& colors, const CImg& opacities, - const unsigned int render_type=4, - const bool is_double_sided=false, const float focale=700, - const float lightx=0, const float lighty=0, const float lightz=-5e8, - const float specular_lightness=0.2f, const float specular_shininess=0.1f) { - return draw_object3d(board,x0,y0,z0,vertices,primitives,colors,opacities,render_type, - is_double_sided,focale,lightx,lighty,lightz, - specular_lightness,specular_shininess,CImg::empty()); - } - - template - CImg& draw_object3d(LibBoard::Board& board, - const float x0, const float y0, const float z0, - const CImg& vertices, const CImgList& primitives, - const CImgList& colors, const CImg& opacities, - const unsigned int render_type, - const bool is_double_sided, const float focale, - const float lightx, const float lighty, const float lightz, - const float specular_lightness, const float specular_shininess, - CImg& zbuffer) { - return _draw_object3d((void*)&board,zbuffer,x0,y0,z0,vertices,primitives,colors,opacities, - render_type,is_double_sided,focale,lightx,lighty,lightz, - specular_lightness,specular_shininess,1); - } -#endif - - //! Draw a 3d object \simplification. - template - CImg& draw_object3d(const float x0, const float y0, const float z0, - const CImg& vertices, const CImgList& primitives, - const CImgList& colors, const CImgList& opacities, - const unsigned int render_type=4, - const bool is_double_sided=false, const float focale=700, - const float lightx=0, const float lighty=0, const float lightz=-5e8, - const float specular_lightness=0.2f, const float specular_shininess=0.1f) { - return draw_object3d(x0,y0,z0,vertices,primitives,colors,opacities,render_type, - is_double_sided,focale,lightx,lighty,lightz, - specular_lightness,specular_shininess,CImg::empty()); - } - - //! Draw a 3d object \simplification. - template - CImg& draw_object3d(const float x0, const float y0, const float z0, - const CImg& vertices, const CImgList& primitives, - const CImgList& colors, const CImgList& opacities, - const unsigned int render_type, - const bool is_double_sided, const float focale, - const float lightx, const float lighty, const float lightz, - const float specular_lightness, const float specular_shininess, - CImg& zbuffer) { - return _draw_object3d(0,zbuffer,x0,y0,z0,vertices,primitives,colors,opacities, - render_type,is_double_sided,focale,lightx,lighty,lightz, - specular_lightness,specular_shininess,1); - } - -#ifdef cimg_use_board - template - CImg& draw_object3d(LibBoard::Board& board, - const float x0, const float y0, const float z0, - const CImg& vertices, const CImgList& primitives, - const CImgList& colors, const CImgList& opacities, - const unsigned int render_type=4, - const bool is_double_sided=false, const float focale=700, - const float lightx=0, const float lighty=0, const float lightz=-5e8, - const float specular_lightness=0.2f, const float specular_shininess=0.1f) { - return draw_object3d(board,x0,y0,z0,vertices,primitives,colors,opacities,render_type, - is_double_sided,focale,lightx,lighty,lightz, - specular_lightness,specular_shininess,CImg::empty()); - } - - template - CImg& draw_object3d(LibBoard::Board& board, - const float x0, const float y0, const float z0, - const CImg& vertices, const CImgList& primitives, - const CImgList& colors, const CImgList& opacities, - const unsigned int render_type, - const bool is_double_sided, const float focale, - const float lightx, const float lighty, const float lightz, - const float specular_lightness, const float specular_shininess, - CImg& zbuffer) { - return _draw_object3d((void*)&board,zbuffer,x0,y0,z0,vertices,primitives,colors,opacities, - render_type,is_double_sided,focale,lightx,lighty,lightz, - specular_lightness,specular_shininess,1); - } -#endif - - //! Draw a 3d object \simplification. - template - CImg& draw_object3d(const float x0, const float y0, const float z0, - const CImg& vertices, const CImgList& primitives, - const CImgList& colors, - const unsigned int render_type=4, - const bool is_double_sided=false, const float focale=700, - const float lightx=0, const float lighty=0, const float lightz=-5e8, - const float specular_lightness=0.2f, const float specular_shininess=0.1f) { - return draw_object3d(x0,y0,z0,vertices,primitives,colors,CImg::const_empty(), - render_type,is_double_sided,focale,lightx,lighty,lightz, - specular_lightness,specular_shininess,CImg::empty()); - } - - //! Draw a 3d object \simplification. - template - CImg& draw_object3d(const float x0, const float y0, const float z0, - const CImg& vertices, const CImgList& primitives, - const CImgList& colors, - const unsigned int render_type, - const bool is_double_sided, const float focale, - const float lightx, const float lighty, const float lightz, - const float specular_lightness, const float specular_shininess, - CImg& zbuffer) { - return draw_object3d(x0,y0,z0,vertices,primitives,colors,CImg::const_empty(), - render_type,is_double_sided,focale,lightx,lighty,lightz, - specular_lightness,specular_shininess,zbuffer); - } - -#ifdef cimg_use_board - template - CImg& draw_object3d(LibBoard::Board& board, - const float x0, const float y0, const float z0, - const CImg& vertices, const CImgList& primitives, - const CImgList& colors, - const unsigned int render_type=4, - const bool is_double_sided=false, const float focale=700, - const float lightx=0, const float lighty=0, const float lightz=-5e8, - const float specular_lightness=0.2f, const float specular_shininess=0.1f) { - return draw_object3d(x0,y0,z0,vertices,primitives,colors,CImg::const_empty(), - render_type,is_double_sided,focale,lightx,lighty,lightz, - specular_lightness,specular_shininess,CImg::empty()); - } - - template - CImg& draw_object3d(LibBoard::Board& board, - const float x0, const float y0, const float z0, - const CImg& vertices, const CImgList& primitives, - const CImgList& colors, - const unsigned int render_type, - const bool is_double_sided, const float focale, - const float lightx, const float lighty, const float lightz, - const float specular_lightness, const float specular_shininess, - CImg& zbuffer) { - return draw_object3d(x0,y0,z0,vertices,primitives,colors,CImg::const_empty(), - render_type,is_double_sided,focale,lightx,lighty,lightz, - specular_lightness,specular_shininess,zbuffer); - } -#endif - - template - static float __draw_object3d(const CImgList& opacities, const unsigned int n_primitive, CImg& opacity) { - if (n_primitive>=opacities._width || opacities[n_primitive].is_empty()) { opacity.assign(); return 1; } - if (opacities[n_primitive].size()==1) { opacity.assign(); return opacities(n_primitive,0); } - opacity.assign(opacities[n_primitive],true); - return 1.0f; - } - - template - static float __draw_object3d(const CImg& opacities, const unsigned int n_primitive, CImg& opacity) { - opacity.assign(); - return n_primitive>=opacities._width?1.0f:(float)opacities[n_primitive]; - } - - template - static float ___draw_object3d(const CImgList& opacities, const unsigned int n_primitive) { - return n_primitive - static float ___draw_object3d(const CImg& opacities, const unsigned int n_primitive) { - return n_primitive - CImg& _draw_object3d(void *const pboard, CImg& zbuffer, - const float X, const float Y, const float Z, - const CImg& vertices, - const CImgList& primitives, - const CImgList& colors, - const to& opacities, - const unsigned int render_type, - const bool is_double_sided, const float focale, - const float lightx, const float lighty, const float lightz, - const float specular_lightness, const float specular_shininess, - const float sprite_scale) { - typedef typename cimg::superset2::type tpfloat; - typedef typename to::value_type _to; - if (is_empty() || !vertices || !primitives) return *this; - CImg error_message(1024); - if (!vertices.is_object3d(primitives,colors,opacities,false,error_message)) - throw CImgArgumentException(_cimg_instance - "draw_object3d(): Invalid specified 3d object (%u,%u) (%s).", - cimg_instance,vertices._width,primitives._width,error_message.data()); -#ifndef cimg_use_board - if (pboard) return *this; -#endif - if (render_type==5) cimg::mutex(10); // Static variable used in this case, breaks thread-safety. - - const float - nspec = 1 - (specular_lightness<0.0f?0.0f:(specular_lightness>1.0f?1.0f:specular_lightness)), - nspec2 = 1 + (specular_shininess<0.0f?0.0f:specular_shininess), - nsl1 = (nspec2 - 1)/cimg::sqr(nspec - 1), - nsl2 = 1 - 2*nsl1*nspec, - nsl3 = nspec2 - nsl1 - nsl2; - - // Create light texture for phong-like rendering. - CImg light_texture; - if (render_type==5) { - if (colors._width>primitives._width) { - static CImg default_light_texture; - static const tc *lptr = 0; - static tc ref_values[64] = { 0 }; - const CImg& img = colors.back(); - bool is_same_texture = (lptr==img._data); - if (is_same_texture) - for (unsigned int r = 0, j = 0; j<8; ++j) - for (unsigned int i = 0; i<8; ++i) - if (ref_values[r++]!=img(i*img._width/9,j*img._height/9,0,(i + j)%img._spectrum)) { - is_same_texture = false; break; - } - if (!is_same_texture || default_light_texture._spectrum<_spectrum) { - (default_light_texture.assign(img,false)/=255).resize(-100,-100,1,_spectrum); - lptr = colors.back().data(); - for (unsigned int r = 0, j = 0; j<8; ++j) - for (unsigned int i = 0; i<8; ++i) - ref_values[r++] = img(i*img._width/9,j*img._height/9,0,(i + j)%img._spectrum); - } - light_texture.assign(default_light_texture,true); - } else { - static CImg default_light_texture; - static float olightx = 0, olighty = 0, olightz = 0, ospecular_shininess = 0; - if (!default_light_texture || - lightx!=olightx || lighty!=olighty || lightz!=olightz || - specular_shininess!=ospecular_shininess || default_light_texture._spectrum<_spectrum) { - default_light_texture.assign(512,512); - const float - dlx = lightx - X, - dly = lighty - Y, - dlz = lightz - Z, - nl = (float)std::sqrt(dlx*dlx + dly*dly + dlz*dlz), - nlx = (default_light_texture._width - 1)/2*(1 + dlx/nl), - nly = (default_light_texture._height - 1)/2*(1 + dly/nl), - white[] = { 1 }; - default_light_texture.draw_gaussian(nlx,nly,default_light_texture._width/3.0f,white); - cimg_forXY(default_light_texture,x,y) { - const float factor = default_light_texture(x,y); - if (factor>nspec) default_light_texture(x,y) = cimg::min(2,nsl1*factor*factor + nsl2*factor + nsl3); - } - default_light_texture.resize(-100,-100,1,_spectrum); - olightx = lightx; olighty = lighty; olightz = lightz; ospecular_shininess = specular_shininess; - } - light_texture.assign(default_light_texture,true); - } - } - - // Compute 3d to 2d projection. - CImg projections(vertices._width,2); - tpfloat parallzmin = cimg::type::max(); - const float absfocale = focale?cimg::abs(focale):0; - if (absfocale) { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(projections.size()>4096) -#endif - cimg_forX(projections,l) { // Perspective projection - const tpfloat - x = (tpfloat)vertices(l,0), - y = (tpfloat)vertices(l,1), - z = (tpfloat)vertices(l,2); - const tpfloat projectedz = z + Z + absfocale; - projections(l,1) = Y + absfocale*y/projectedz; - projections(l,0) = X + absfocale*x/projectedz; - } - - } else { -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(projections.size()>4096) -#endif - cimg_forX(projections,l) { // Parallel projection - const tpfloat - x = (tpfloat)vertices(l,0), - y = (tpfloat)vertices(l,1), - z = (tpfloat)vertices(l,2); - if (z visibles(primitives._width,1,1,1,~0U); - CImg zrange(primitives._width); - const tpfloat zmin = absfocale?(tpfloat)(1.5f - absfocale):cimg::type::min(); - bool is_forward = zbuffer?true:false; - -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(primitives.size()>4096) -#endif - cimglist_for(primitives,l) { - const CImg& primitive = primitives[l]; - switch (primitive.size()) { - case 1 : { // Point - CImg<_to> _opacity; - __draw_object3d(opacities,l,_opacity); - if (l<=colors.width() && (colors[l].size()!=_spectrum || _opacity)) is_forward = false; - const unsigned int i0 = (unsigned int)primitive(0); - const tpfloat z0 = Z + vertices(i0,2); - if (z0>zmin) { - visibles(l) = (unsigned int)l; - zrange(l) = z0; - } - } break; - case 5 : { // Sphere - const unsigned int - i0 = (unsigned int)primitive(0), - i1 = (unsigned int)primitive(1); - const tpfloat - Xc = 0.5f*((float)vertices(i0,0) + (float)vertices(i1,0)), - Yc = 0.5f*((float)vertices(i0,1) + (float)vertices(i1,1)), - Zc = 0.5f*((float)vertices(i0,2) + (float)vertices(i1,2)), - _zc = Z + Zc, - zc = _zc + _focale, - xc = X + Xc*(absfocale?absfocale/zc:1), - yc = Y + Yc*(absfocale?absfocale/zc:1), - radius = 0.5f*std::sqrt(cimg::sqr(vertices(i1,0) - vertices(i0,0)) + - cimg::sqr(vertices(i1,1) - vertices(i0,1)) + - cimg::sqr(vertices(i1,2) - vertices(i0,2)))*(absfocale?absfocale/zc:1), - xm = xc - radius, - ym = yc - radius, - xM = xc + radius, - yM = yc + radius; - if (xM>=0 && xm<_width && yM>=0 && ym<_height && _zc>zmin) { - visibles(l) = (unsigned int)l; - zrange(l) = _zc; - } - is_forward = false; - } break; - case 2 : // Segment - case 6 : { - const unsigned int - i0 = (unsigned int)primitive(0), - i1 = (unsigned int)primitive(1); - const tpfloat - x0 = projections(i0,0), y0 = projections(i0,1), z0 = Z + vertices(i0,2), - x1 = projections(i1,0), y1 = projections(i1,1), z1 = Z + vertices(i1,2); - tpfloat xm, xM, ym, yM; - if (x0=0 && xm<_width && yM>=0 && ym<_height && z0>zmin && z1>zmin) { - visibles(l) = (unsigned int)l; - zrange(l) = (z0 + z1)/2; - } - } break; - case 3 : // Triangle - case 9 : { - const unsigned int - i0 = (unsigned int)primitive(0), - i1 = (unsigned int)primitive(1), - i2 = (unsigned int)primitive(2); - const tpfloat - x0 = projections(i0,0), y0 = projections(i0,1), z0 = Z + vertices(i0,2), - x1 = projections(i1,0), y1 = projections(i1,1), z1 = Z + vertices(i1,2), - x2 = projections(i2,0), y2 = projections(i2,1), z2 = Z + vertices(i2,2); - tpfloat xm, xM, ym, yM; - if (x0xM) xM = x2; - if (y0yM) yM = y2; - if (xM>=0 && xm<_width && yM>=0 && ym<_height && z0>zmin && z1>zmin && z2>zmin) { - const tpfloat d = (x1-x0)*(y2-y0) - (x2-x0)*(y1-y0); - if (is_double_sided || d<0) { - visibles(l) = (unsigned int)l; - zrange(l) = (z0 + z1 + z2)/3; - } - } - } break; - case 4 : // Rectangle - case 12 : { - const unsigned int - i0 = (unsigned int)primitive(0), - i1 = (unsigned int)primitive(1), - i2 = (unsigned int)primitive(2), - i3 = (unsigned int)primitive(3); - const tpfloat - x0 = projections(i0,0), y0 = projections(i0,1), z0 = Z + vertices(i0,2), - x1 = projections(i1,0), y1 = projections(i1,1), z1 = Z + vertices(i1,2), - x2 = projections(i2,0), y2 = projections(i2,1), z2 = Z + vertices(i2,2), - x3 = projections(i3,0), y3 = projections(i3,1), z3 = Z + vertices(i3,2); - tpfloat xm, xM, ym, yM; - if (x0xM) xM = x2; - if (x3xM) xM = x3; - if (y0yM) yM = y2; - if (y3yM) yM = y3; - if (xM>=0 && xm<_width && yM>=0 && ym<_height && z0>zmin && z1>zmin && z2>zmin) { - const float d = (x1 - x0)*(y2 - y0) - (x2 - x0)*(y1 - y0); - if (is_double_sided || d<0) { - visibles(l) = (unsigned int)l; - zrange(l) = (z0 + z1 + z2 + z3)/4; - } - } - } break; - default : - if (render_type==5) cimg::mutex(10,0); - throw CImgArgumentException(_cimg_instance - "draw_object3d(): Invalid primitive[%u] with size %u " - "(should have size 1,2,3,4,5,6,9 or 12).", - cimg_instance, - l,primitive.size()); - } - } - - // Force transparent primitives to be drawn last when zbuffer is activated - // (and if object contains no spheres or sprites). - if (is_forward) - cimglist_for(primitives,l) - if (___draw_object3d(opacities,l)!=1) zrange(l) = 2*zmax - zrange(l); - - // Sort only visibles primitives. - unsigned int *p_visibles = visibles._data; - tpfloat *p_zrange = zrange._data; - const tpfloat *ptrz = p_zrange; - cimg_for(visibles,ptr,unsigned int) { - if (*ptr!=~0U) { *(p_visibles++) = *ptr; *(p_zrange++) = *ptrz; } - ++ptrz; - } - const unsigned int nb_visibles = (unsigned int)(p_zrange - zrange._data); - if (!nb_visibles) { - if (render_type==5) cimg::mutex(10,0); - return *this; - } - CImg permutations; - CImg(zrange._data,nb_visibles,1,1,1,true).sort(permutations,is_forward); - - // Compute light properties - CImg lightprops; - switch (render_type) { - case 3 : { // Flat Shading - lightprops.assign(nb_visibles); -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(nb_visibles>4096) -#endif - cimg_forX(lightprops,l) { - const CImg& primitive = primitives(visibles(permutations(l))); - const unsigned int psize = primitive.size(); - if (psize==3 || psize==4 || psize==9 || psize==12) { - const unsigned int - i0 = (unsigned int)primitive(0), - i1 = (unsigned int)primitive(1), - i2 = (unsigned int)primitive(2); - const tpfloat - x0 = (tpfloat)vertices(i0,0), y0 = (tpfloat)vertices(i0,1), z0 = (tpfloat)vertices(i0,2), - x1 = (tpfloat)vertices(i1,0), y1 = (tpfloat)vertices(i1,1), z1 = (tpfloat)vertices(i1,2), - x2 = (tpfloat)vertices(i2,0), y2 = (tpfloat)vertices(i2,1), z2 = (tpfloat)vertices(i2,2), - dx1 = x1 - x0, dy1 = y1 - y0, dz1 = z1 - z0, - dx2 = x2 - x0, dy2 = y2 - y0, dz2 = z2 - z0, - nx = dy1*dz2 - dz1*dy2, - ny = dz1*dx2 - dx1*dz2, - nz = dx1*dy2 - dy1*dx2, - norm = (tpfloat)std::sqrt(1e-5f + nx*nx + ny*ny + nz*nz), - lx = X + (x0 + x1 + x2)/3 - lightx, - ly = Y + (y0 + y1 + y2)/3 - lighty, - lz = Z + (z0 + z1 + z2)/3 - lightz, - nl = (tpfloat)std::sqrt(1e-5f + lx*lx + ly*ly + lz*lz), - factor = cimg::max(cimg::abs(-lx*nx-ly*ny-lz*nz)/(norm*nl),0); - lightprops[l] = factor<=nspec?factor:(nsl1*factor*factor + nsl2*factor + nsl3); - } else lightprops[l] = 1; - } - } break; - - case 4 : // Gouraud Shading - case 5 : { // Phong-Shading - CImg vertices_normals(vertices._width,6,1,1,0); -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(nb_visibles>4096) -#endif - for (unsigned int l = 0; l& primitive = primitives[visibles(l)]; - const unsigned int psize = primitive.size(); - const bool - triangle_flag = (psize==3) || (psize==9), - rectangle_flag = (psize==4) || (psize==12); - if (triangle_flag || rectangle_flag) { - const unsigned int - i0 = (unsigned int)primitive(0), - i1 = (unsigned int)primitive(1), - i2 = (unsigned int)primitive(2), - i3 = rectangle_flag?(unsigned int)primitive(3):0; - const tpfloat - x0 = (tpfloat)vertices(i0,0), y0 = (tpfloat)vertices(i0,1), z0 = (tpfloat)vertices(i0,2), - x1 = (tpfloat)vertices(i1,0), y1 = (tpfloat)vertices(i1,1), z1 = (tpfloat)vertices(i1,2), - x2 = (tpfloat)vertices(i2,0), y2 = (tpfloat)vertices(i2,1), z2 = (tpfloat)vertices(i2,2), - dx1 = x1 - x0, dy1 = y1 - y0, dz1 = z1 - z0, - dx2 = x2 - x0, dy2 = y2 - y0, dz2 = z2 - z0, - nnx = dy1*dz2 - dz1*dy2, - nny = dz1*dx2 - dx1*dz2, - nnz = dx1*dy2 - dy1*dx2, - norm = (tpfloat)(1e-5f + std::sqrt(nnx*nnx + nny*nny + nnz*nnz)), - nx = nnx/norm, - ny = nny/norm, - nz = nnz/norm; - unsigned int ix = 0, iy = 1, iz = 2; - if (is_double_sided && nz>0) { ix = 3; iy = 4; iz = 5; } - vertices_normals(i0,ix)+=nx; vertices_normals(i0,iy)+=ny; vertices_normals(i0,iz)+=nz; - vertices_normals(i1,ix)+=nx; vertices_normals(i1,iy)+=ny; vertices_normals(i1,iz)+=nz; - vertices_normals(i2,ix)+=nx; vertices_normals(i2,iy)+=ny; vertices_normals(i2,iz)+=nz; - if (rectangle_flag) { - vertices_normals(i3,ix)+=nx; vertices_normals(i3,iy)+=ny; vertices_normals(i3,iz)+=nz; - } - } - } - - if (is_double_sided) cimg_forX(vertices_normals,p) { - const float - nx0 = vertices_normals(p,0), ny0 = vertices_normals(p,1), nz0 = vertices_normals(p,2), - nx1 = vertices_normals(p,3), ny1 = vertices_normals(p,4), nz1 = vertices_normals(p,5), - n0 = nx0*nx0 + ny0*ny0 + nz0*nz0, n1 = nx1*nx1 + ny1*ny1 + nz1*nz1; - if (n1>n0) { - vertices_normals(p,0) = -nx1; - vertices_normals(p,1) = -ny1; - vertices_normals(p,2) = -nz1; - } - } - - if (render_type==4) { - lightprops.assign(vertices._width); -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(nb_visibles>4096) -#endif - cimg_forX(lightprops,l) { - const tpfloat - nx = vertices_normals(l,0), - ny = vertices_normals(l,1), - nz = vertices_normals(l,2), - norm = (tpfloat)std::sqrt(1e-5f + nx*nx + ny*ny + nz*nz), - lx = X + vertices(l,0) - lightx, - ly = Y + vertices(l,1) - lighty, - lz = Z + vertices(l,2) - lightz, - nl = (tpfloat)std::sqrt(1e-5f + lx*lx + ly*ly + lz*lz), - factor = cimg::max((-lx*nx-ly*ny-lz*nz)/(norm*nl),0); - lightprops[l] = factor<=nspec?factor:(nsl1*factor*factor + nsl2*factor + nsl3); - } - } else { - const unsigned int - lw2 = light_texture._width/2 - 1, - lh2 = light_texture._height/2 - 1; - lightprops.assign(vertices._width,2); -#ifdef cimg_use_openmp -#pragma omp parallel for cimg_openmp_if(nb_visibles>4096) -#endif - cimg_forX(lightprops,l) { - const tpfloat - nx = vertices_normals(l,0), - ny = vertices_normals(l,1), - nz = vertices_normals(l,2), - norm = (tpfloat)std::sqrt(1e-5f + nx*nx + ny*ny + nz*nz), - nnx = nx/norm, - nny = ny/norm; - lightprops(l,0) = lw2*(1 + nnx); - lightprops(l,1) = lh2*(1 + nny); - } - } - } break; - } - - // Draw visible primitives - const CImg default_color(1,_spectrum,1,1,(tc)200); - CImg<_to> _opacity; - - for (unsigned int l = 0; l& primitive = primitives[n_primitive]; - const CImg - &__color = n_primitive(), - _color = (__color && __color.size()!=_spectrum && __color._spectrum<_spectrum)? - __color.get_resize(-100,-100,-100,_spectrum,0):CImg(), - &color = _color?_color:(__color?__color:default_color); - const tc *const pcolor = color._data; - const float opacity = __draw_object3d(opacities,n_primitive,_opacity); - -#ifdef cimg_use_board - LibBoard::Board &board = *(LibBoard::Board*)pboard; -#endif - - switch (primitive.size()) { - case 1 : { // Colored point or sprite - const unsigned int n0 = (unsigned int)primitive[0]; - const int x0 = (int)projections(n0,0), y0 = (int)projections(n0,1); - - if (_opacity.is_empty()) { // Scalar opacity. - - if (color.size()==_spectrum) { // Colored point. - draw_point(x0,y0,pcolor,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opacity*255)); - board.fillCircle((float)x0,height()-(float)y0,0); - } -#endif - } else { // Sprite. - const tpfloat z = Z + vertices(n0,2); - const float factor = focale<0?1:sprite_scale*(absfocale?absfocale/(z + absfocale):1); - const unsigned int - _sw = (unsigned int)(color._width*factor), - _sh = (unsigned int)(color._height*factor), - sw = _sw?_sw:1, sh = _sh?_sh:1; - const int nx0 = x0 - (int)sw/2, ny0 = y0 - (int)sh/2; - if (sw<=3*_width/2 && sh<=3*_height/2 && - (nx0 + (int)sw/2>=0 || nx0 - (int)sw/2=0 || ny0 - (int)sh/2 - _sprite = (sw!=color._width || sh!=color._height)? - color.get_resize(sw,sh,1,-100,render_type<=3?1:3):CImg(), - &sprite = _sprite?_sprite:color; - draw_image(nx0,ny0,sprite,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(128,128,128); - board.setFillColor(LibBoard::Color::None); - board.drawRectangle((float)nx0,height() - (float)ny0,sw,sh); - } -#endif - } - } - } else { // Opacity mask. - const tpfloat z = Z + vertices(n0,2); - const float factor = focale<0?1:sprite_scale*(absfocale?absfocale/(z + absfocale):1); - const unsigned int - _sw = (unsigned int)(cimg::max(color._width,_opacity._width)*factor), - _sh = (unsigned int)(cimg::max(color._height,_opacity._height)*factor), - sw = _sw?_sw:1, sh = _sh?_sh:1; - const int nx0 = x0 - (int)sw/2, ny0 = y0 - (int)sh/2; - if (sw<=3*_width/2 && sh<=3*_height/2 && - (nx0 + (int)sw/2>=0 || nx0 - (int)sw/2=0 || ny0 - (int)sh/2 - _sprite = (sw!=color._width || sh!=color._height)? - color.get_resize(sw,sh,1,-100,render_type<=3?1:3):CImg(), - &sprite = _sprite?_sprite:color; - const CImg<_to> - _nopacity = (sw!=_opacity._width || sh!=_opacity._height)? - _opacity.get_resize(sw,sh,1,-100,render_type<=3?1:3):CImg<_to>(), - &nopacity = _nopacity?_nopacity:_opacity; - draw_image(nx0,ny0,sprite,nopacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(128,128,128); - board.setFillColor(LibBoard::Color::None); - board.drawRectangle((float)nx0,height() - (float)ny0,sw,sh); - } -#endif - } - } - } break; - case 2 : { // Colored line - const unsigned int - n0 = (unsigned int)primitive[0], - n1 = (unsigned int)primitive[1]; - const int - x0 = (int)projections(n0,0), y0 = (int)projections(n0,1), - x1 = (int)projections(n1,0), y1 = (int)projections(n1,1); - const float - z0 = vertices(n0,2) + Z + _focale, - z1 = vertices(n1,2) + Z + _focale; - if (render_type) { - if (zbuffer) draw_line(zbuffer,x0,y0,z0,x1,y1,z1,pcolor,opacity); - else draw_line(x0,y0,x1,y1,pcolor,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opacity*255)); - board.drawLine((float)x0,height() - (float)y0,x1,height() - (float)y1); - } -#endif - } else { - draw_point(x0,y0,pcolor,opacity).draw_point(x1,y1,pcolor,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opacity*255)); - board.drawCircle((float)x0,height() - (float)y0,0); - board.drawCircle((float)x1,height() - (float)y1,0); - } -#endif - } - } break; - case 5 : { // Colored sphere - const unsigned int - n0 = (unsigned int)primitive[0], - n1 = (unsigned int)primitive[1], - is_wireframe = (unsigned int)primitive[2]; - const float - Xc = 0.5f*((float)vertices(n0,0) + (float)vertices(n1,0)), - Yc = 0.5f*((float)vertices(n0,1) + (float)vertices(n1,1)), - Zc = 0.5f*((float)vertices(n0,2) + (float)vertices(n1,2)), - zc = Z + Zc + _focale, - xc = X + Xc*(absfocale?absfocale/zc:1), - yc = Y + Yc*(absfocale?absfocale/zc:1), - radius = 0.5f*std::sqrt(cimg::sqr(vertices(n1,0) - vertices(n0,0)) + - cimg::sqr(vertices(n1,1) - vertices(n0,1)) + - cimg::sqr(vertices(n1,2) - vertices(n0,2)))*(absfocale?absfocale/zc:1); - switch (render_type) { - case 0 : - draw_point((int)xc,(int)yc,pcolor,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opacity*255)); - board.fillCircle(xc,height() - yc,0); - } -#endif - break; - case 1 : - draw_circle((int)xc,(int)yc,(int)radius,pcolor,opacity,~0U); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opacity*255)); - board.setFillColor(LibBoard::Color::None); - board.drawCircle(xc,height() - yc,radius); - } -#endif - break; - default : - if (is_wireframe) draw_circle((int)xc,(int)yc,(int)radius,pcolor,opacity,~0U); - else draw_circle((int)xc,(int)yc,(int)radius,pcolor,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opacity*255)); - if (!is_wireframe) board.fillCircle(xc,height() - yc,radius); - else { - board.setFillColor(LibBoard::Color::None); - board.drawCircle(xc,height() - yc,radius); - } - } -#endif - break; - } - } break; - case 6 : { // Textured line - if (!__color) { - if (render_type==5) cimg::mutex(10,0); - throw CImgArgumentException(_cimg_instance - "draw_object3d(): Undefined texture for line primitive [%u].", - cimg_instance,n_primitive); - } - const unsigned int - n0 = (unsigned int)primitive[0], - n1 = (unsigned int)primitive[1]; - const int - tx0 = (int)primitive[2], ty0 = (int)primitive[3], - tx1 = (int)primitive[4], ty1 = (int)primitive[5], - x0 = (int)projections(n0,0), y0 = (int)projections(n0,1), - x1 = (int)projections(n1,0), y1 = (int)projections(n1,1); - const float - z0 = vertices(n0,2) + Z + _focale, - z1 = vertices(n1,2) + Z + _focale; - if (render_type) { - if (zbuffer) draw_line(zbuffer,x0,y0,z0,x1,y1,z1,color,tx0,ty0,tx1,ty1,opacity); - else draw_line(x0,y0,x1,y1,color,tx0,ty0,tx1,ty1,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(128,128,128,(unsigned char)(opacity*255)); - board.drawLine((float)x0,height() - (float)y0,(float)x1,height() - (float)y1); - } -#endif - } else { - draw_point(x0,y0,color.get_vector_at(tx0<=0?0:tx0>=color.width()?color.width() - 1:tx0, - ty0<=0?0:ty0>=color.height()?color.height() - 1:ty0)._data,opacity). - draw_point(x1,y1,color.get_vector_at(tx1<=0?0:tx1>=color.width()?color.width() - 1:tx1, - ty1<=0?0:ty1>=color.height()?color.height() - 1:ty1)._data,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(128,128,128,(unsigned char)(opacity*255)); - board.drawCircle((float)x0,height() - (float)y0,0); - board.drawCircle((float)x1,height() - (float)y1,0); - } -#endif - } - } break; - case 3 : { // Colored triangle - const unsigned int - n0 = (unsigned int)primitive[0], - n1 = (unsigned int)primitive[1], - n2 = (unsigned int)primitive[2]; - const int - x0 = (int)projections(n0,0), y0 = (int)projections(n0,1), - x1 = (int)projections(n1,0), y1 = (int)projections(n1,1), - x2 = (int)projections(n2,0), y2 = (int)projections(n2,1); - const float - z0 = vertices(n0,2) + Z + _focale, - z1 = vertices(n1,2) + Z + _focale, - z2 = vertices(n2,2) + Z + _focale; - switch (render_type) { - case 0 : - draw_point(x0,y0,pcolor,opacity).draw_point(x1,y1,pcolor,opacity).draw_point(x2,y2,pcolor,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opacity*255)); - board.drawCircle((float)x0,height() - (float)y0,0); - board.drawCircle((float)x1,height() - (float)y1,0); - board.drawCircle((float)x2,height() - (float)y2,0); - } -#endif - break; - case 1 : - if (zbuffer) - draw_line(zbuffer,x0,y0,z0,x1,y1,z1,pcolor,opacity).draw_line(zbuffer,x0,y0,z0,x2,y2,z2,pcolor,opacity). - draw_line(zbuffer,x1,y1,z1,x2,y2,z2,pcolor,opacity); - else - draw_line(x0,y0,x1,y1,pcolor,opacity).draw_line(x0,y0,x2,y2,pcolor,opacity). - draw_line(x1,y1,x2,y2,pcolor,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opacity*255)); - board.drawLine((float)x0,height() - (float)y0,(float)x1,height() - (float)y1); - board.drawLine((float)x0,height() - (float)y0,(float)x2,height() - (float)y2); - board.drawLine((float)x1,height() - (float)y1,(float)x2,height() - (float)y2); - } -#endif - break; - case 2 : - if (zbuffer) draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,pcolor,opacity); - else draw_triangle(x0,y0,x1,y1,x2,y2,pcolor,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opacity*255)); - board.fillTriangle((float)x0,height() - (float)y0, - (float)x1,height() - (float)y1, - (float)x2,height() - (float)y2); - } -#endif - break; - case 3 : - if (zbuffer) draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,pcolor,opacity,lightprops(l)); - else _draw_triangle(x0,y0,x1,y1,x2,y2,pcolor,opacity,lightprops(l)); -#ifdef cimg_use_board - if (pboard) { - const float lp = cimg::min(lightprops(l),1); - board.setPenColorRGBi((unsigned char)(color[0]*lp), - (unsigned char)(color[1]*lp), - (unsigned char)(color[2]*lp), - (unsigned char)(opacity*255)); - board.fillTriangle((float)x0,height() - (float)y0, - (float)x1,height() - (float)y1, - (float)x2,height() - (float)y2); - } -#endif - break; - case 4 : - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,pcolor, - lightprops(n0),lightprops(n1),lightprops(n2),opacity); - else draw_triangle(x0,y0,x1,y1,x2,y2,pcolor,lightprops(n0),lightprops(n1),lightprops(n2),opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi((unsigned char)(color[0]), - (unsigned char)(color[1]), - (unsigned char)(color[2]), - (unsigned char)(opacity*255)); - board.fillGouraudTriangle((float)x0,height() - (float)y0,lightprops(n0), - (float)x1,height() - (float)y1,lightprops(n1), - (float)x2,height() - (float)y2,lightprops(n2)); - } -#endif - break; - case 5 : { - const unsigned int - lx0 = (unsigned int)lightprops(n0,0), ly0 = (unsigned int)lightprops(n0,1), - lx1 = (unsigned int)lightprops(n1,0), ly1 = (unsigned int)lightprops(n1,1), - lx2 = (unsigned int)lightprops(n2,0), ly2 = (unsigned int)lightprops(n2,1); - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,pcolor,light_texture,lx0,ly0,lx1,ly1,lx2,ly2,opacity); - else draw_triangle(x0,y0,x1,y1,x2,y2,pcolor,light_texture,lx0,ly0,lx1,ly1,lx2,ly2,opacity); -#ifdef cimg_use_board - if (pboard) { - const float - l0 = light_texture((int)(light_texture.width()/2*(1 + lightprops(n0,0))), - (int)(light_texture.height()/2*(1 + lightprops(n0,1)))), - l1 = light_texture((int)(light_texture.width()/2*(1 + lightprops(n1,0))), - (int)(light_texture.height()/2*(1 + lightprops(n1,1)))), - l2 = light_texture((int)(light_texture.width()/2*(1 + lightprops(n2,0))), - (int)(light_texture.height()/2*(1 + lightprops(n2,1)))); - board.setPenColorRGBi((unsigned char)(color[0]), - (unsigned char)(color[1]), - (unsigned char)(color[2]), - (unsigned char)(opacity*255)); - board.fillGouraudTriangle((float)x0,height() - (float)y0,l0, - (float)x1,height() - (float)y1,l1, - (float)x2,height() - (float)y2,l2); - } -#endif - } break; - } - } break; - case 4 : { // Colored rectangle - const unsigned int - n0 = (unsigned int)primitive[0], - n1 = (unsigned int)primitive[1], - n2 = (unsigned int)primitive[2], - n3 = (unsigned int)primitive[3]; - const int - x0 = (int)projections(n0,0), y0 = (int)projections(n0,1), - x1 = (int)projections(n1,0), y1 = (int)projections(n1,1), - x2 = (int)projections(n2,0), y2 = (int)projections(n2,1), - x3 = (int)projections(n3,0), y3 = (int)projections(n3,1); - const float - z0 = vertices(n0,2) + Z + _focale, - z1 = vertices(n1,2) + Z + _focale, - z2 = vertices(n2,2) + Z + _focale, - z3 = vertices(n3,2) + Z + _focale; - - switch (render_type) { - case 0 : - draw_point(x0,y0,pcolor,opacity).draw_point(x1,y1,pcolor,opacity). - draw_point(x2,y2,pcolor,opacity).draw_point(x3,y3,pcolor,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opacity*255)); - board.drawCircle((float)x0,height() - (float)y0,0); - board.drawCircle((float)x1,height() - (float)y1,0); - board.drawCircle((float)x2,height() - (float)y2,0); - board.drawCircle((float)x3,height() - (float)y3,0); - } -#endif - break; - case 1 : - if (zbuffer) - draw_line(zbuffer,x0,y0,z0,x1,y1,z1,pcolor,opacity).draw_line(zbuffer,x1,y1,z1,x2,y2,z2,pcolor,opacity). - draw_line(zbuffer,x2,y2,z2,x3,y3,z3,pcolor,opacity).draw_line(zbuffer,x3,y3,z3,x0,y0,z0,pcolor,opacity); - else - draw_line(x0,y0,x1,y1,pcolor,opacity).draw_line(x1,y1,x2,y2,pcolor,opacity). - draw_line(x2,y2,x3,y3,pcolor,opacity).draw_line(x3,y3,x0,y0,pcolor,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opacity*255)); - board.drawLine((float)x0,height() - (float)y0,(float)x1,height() - (float)y1); - board.drawLine((float)x1,height() - (float)y1,(float)x2,height() - (float)y2); - board.drawLine((float)x2,height() - (float)y2,(float)x3,height() - (float)y3); - board.drawLine((float)x3,height() - (float)y3,(float)x0,height() - (float)y0); - } -#endif - break; - case 2 : - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,pcolor,opacity). - draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,pcolor,opacity); - else - draw_triangle(x0,y0,x1,y1,x2,y2,pcolor,opacity).draw_triangle(x0,y0,x2,y2,x3,y3,pcolor,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opacity*255)); - board.fillTriangle((float)x0,height() - (float)y0, - (float)x1,height() - (float)y1, - (float)x2,height() - (float)y2); - board.fillTriangle((float)x0,height() - (float)y0, - (float)x2,height() - (float)y2, - (float)x3,height() - (float)y3); - } -#endif - break; - case 3 : - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,pcolor,opacity,lightprops(l)). - draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,pcolor,opacity,lightprops(l)); - else - _draw_triangle(x0,y0,x1,y1,x2,y2,pcolor,opacity,lightprops(l)). - _draw_triangle(x0,y0,x2,y2,x3,y3,pcolor,opacity,lightprops(l)); -#ifdef cimg_use_board - if (pboard) { - const float lp = cimg::min(lightprops(l),1); - board.setPenColorRGBi((unsigned char)(color[0]*lp), - (unsigned char)(color[1]*lp), - (unsigned char)(color[2]*lp),(unsigned char)(opacity*255)); - board.fillTriangle((float)x0,height() - (float)y0, - (float)x1,height() - (float)y1, - (float)x2,height() - (float)y2); - board.fillTriangle((float)x0,height() - (float)y0, - (float)x2,height() - (float)y2, - (float)x3,height() - (float)y3); - } -#endif - break; - case 4 : { - const float - lightprop0 = lightprops(n0), lightprop1 = lightprops(n1), - lightprop2 = lightprops(n2), lightprop3 = lightprops(n3); - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,pcolor,lightprop0,lightprop1,lightprop2,opacity). - draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,pcolor,lightprop0,lightprop2,lightprop3,opacity); - else - draw_triangle(x0,y0,x1,y1,x2,y2,pcolor,lightprop0,lightprop1,lightprop2,opacity). - draw_triangle(x0,y0,x2,y2,x3,y3,pcolor,lightprop0,lightprop2,lightprop3,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi((unsigned char)(color[0]), - (unsigned char)(color[1]), - (unsigned char)(color[2]), - (unsigned char)(opacity*255)); - board.fillGouraudTriangle((float)x0,height() - (float)y0,lightprop0, - (float)x1,height() - (float)y1,lightprop1, - (float)x2,height() - (float)y2,lightprop2); - board.fillGouraudTriangle((float)x0,height() - (float)y0,lightprop0, - (float)x2,height() - (float)y2,lightprop2, - (float)x3,height() - (float)y3,lightprop3); - } -#endif - } break; - case 5 : { - const unsigned int - lx0 = (unsigned int)lightprops(n0,0), ly0 = (unsigned int)lightprops(n0,1), - lx1 = (unsigned int)lightprops(n1,0), ly1 = (unsigned int)lightprops(n1,1), - lx2 = (unsigned int)lightprops(n2,0), ly2 = (unsigned int)lightprops(n2,1), - lx3 = (unsigned int)lightprops(n3,0), ly3 = (unsigned int)lightprops(n3,1); - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,pcolor,light_texture,lx0,ly0,lx1,ly1,lx2,ly2,opacity). - draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,pcolor,light_texture,lx0,ly0,lx2,ly2,lx3,ly3,opacity); - else - draw_triangle(x0,y0,x1,y1,x2,y2,pcolor,light_texture,lx0,ly0,lx1,ly1,lx2,ly2,opacity). - draw_triangle(x0,y0,x2,y2,x3,y3,pcolor,light_texture,lx0,ly0,lx2,ly2,lx3,ly3,opacity); -#ifdef cimg_use_board - if (pboard) { - const float - l0 = light_texture((int)(light_texture.width()/2*(1 + lx0)), (int)(light_texture.height()/2*(1 + ly0))), - l1 = light_texture((int)(light_texture.width()/2*(1 + lx1)), (int)(light_texture.height()/2*(1 + ly1))), - l2 = light_texture((int)(light_texture.width()/2*(1 + lx2)), (int)(light_texture.height()/2*(1 + ly2))), - l3 = light_texture((int)(light_texture.width()/2*(1 + lx3)), (int)(light_texture.height()/2*(1 + ly3))); - board.setPenColorRGBi((unsigned char)(color[0]), - (unsigned char)(color[1]), - (unsigned char)(color[2]), - (unsigned char)(opacity*255)); - board.fillGouraudTriangle((float)x0,height() - (float)y0,l0, - (float)x1,height() - (float)y1,l1, - (float)x2,height() - (float)y2,l2); - board.fillGouraudTriangle((float)x0,height() - (float)y0,l0, - (float)x2,height() - (float)y2,l2, - (float)x3,height() - (float)y3,l3); - } -#endif - } break; - } - } break; - case 9 : { // Textured triangle - if (!__color) { - if (render_type==5) cimg::mutex(10,0); - throw CImgArgumentException(_cimg_instance - "draw_object3d(): Undefined texture for triangle primitive [%u].", - cimg_instance,n_primitive); - } - const unsigned int - n0 = (unsigned int)primitive[0], - n1 = (unsigned int)primitive[1], - n2 = (unsigned int)primitive[2]; - const int - tx0 = (int)primitive[3], ty0 = (int)primitive[4], - tx1 = (int)primitive[5], ty1 = (int)primitive[6], - tx2 = (int)primitive[7], ty2 = (int)primitive[8], - x0 = (int)projections(n0,0), y0 = (int)projections(n0,1), - x1 = (int)projections(n1,0), y1 = (int)projections(n1,1), - x2 = (int)projections(n2,0), y2 = (int)projections(n2,1); - const float - z0 = vertices(n0,2) + Z + _focale, - z1 = vertices(n1,2) + Z + _focale, - z2 = vertices(n2,2) + Z + _focale; - switch (render_type) { - case 0 : - draw_point(x0,y0,color.get_vector_at(tx0<=0?0:tx0>=color.width()?color.width() - 1:tx0, - ty0<=0?0:ty0>=color.height()?color.height() - 1:ty0)._data,opacity). - draw_point(x1,y1,color.get_vector_at(tx1<=0?0:tx1>=color.width()?color.width() - 1:tx1, - ty1<=0?0:ty1>=color.height()?color.height() - 1:ty1)._data,opacity). - draw_point(x2,y2,color.get_vector_at(tx2<=0?0:tx2>=color.width()?color.width() - 1:tx2, - ty2<=0?0:ty2>=color.height()?color.height() - 1:ty2)._data,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(128,128,128,(unsigned char)(opacity*255)); - board.drawCircle((float)x0,height() - (float)y0,0); - board.drawCircle((float)x1,height() - (float)y1,0); - board.drawCircle((float)x2,height() - (float)y2,0); - } -#endif - break; - case 1 : - if (zbuffer) - draw_line(zbuffer,x0,y0,z0,x1,y1,z1,color,tx0,ty0,tx1,ty1,opacity). - draw_line(zbuffer,x0,y0,z0,x2,y2,z2,color,tx0,ty0,tx2,ty2,opacity). - draw_line(zbuffer,x1,y1,z1,x2,y2,z2,color,tx1,ty1,tx2,ty2,opacity); - else - draw_line(x0,y0,z0,x1,y1,z1,color,tx0,ty0,tx1,ty1,opacity). - draw_line(x0,y0,z0,x2,y2,z2,color,tx0,ty0,tx2,ty2,opacity). - draw_line(x1,y1,z1,x2,y2,z2,color,tx1,ty1,tx2,ty2,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(128,128,128,(unsigned char)(opacity*255)); - board.drawLine((float)x0,height() - (float)y0,(float)x1,height() - (float)y1); - board.drawLine((float)x0,height() - (float)y0,(float)x2,height() - (float)y2); - board.drawLine((float)x1,height() - (float)y1,(float)x2,height() - (float)y2); - } -#endif - break; - case 2 : - if (zbuffer) draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opacity); - else draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(128,128,128,(unsigned char)(opacity*255)); - board.fillTriangle((float)x0,height() - (float)y0, - (float)x1,height() - (float)y1, - (float)x2,height() - (float)y2); - } -#endif - break; - case 3 : - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opacity,lightprops(l)); - else draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opacity,lightprops(l)); -#ifdef cimg_use_board - if (pboard) { - const float lp = cimg::min(lightprops(l),1); - board.setPenColorRGBi((unsigned char)(128*lp), - (unsigned char)(128*lp), - (unsigned char)(128*lp), - (unsigned char)(opacity*255)); - board.fillTriangle((float)x0,height() - (float)y0, - (float)x1,height() - (float)y1, - (float)x2,height() - (float)y2); - } -#endif - break; - case 4 : - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2, - lightprops(n0),lightprops(n1),lightprops(n2),opacity); - else - draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2, - lightprops(n0),lightprops(n1),lightprops(n2),opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(128,128,128,(unsigned char)(opacity*255)); - board.fillGouraudTriangle((float)x0,height() - (float)y0,lightprops(n0), - (float)x1,height() - (float)y1,lightprops(n1), - (float)x2,height() - (float)y2,lightprops(n2)); - } -#endif - break; - case 5 : - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,light_texture, - (unsigned int)lightprops(n0,0),(unsigned int)lightprops(n0,1), - (unsigned int)lightprops(n1,0),(unsigned int)lightprops(n1,1), - (unsigned int)lightprops(n2,0),(unsigned int)lightprops(n2,1), - opacity); - else - draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,light_texture, - (unsigned int)lightprops(n0,0),(unsigned int)lightprops(n0,1), - (unsigned int)lightprops(n1,0),(unsigned int)lightprops(n1,1), - (unsigned int)lightprops(n2,0),(unsigned int)lightprops(n2,1), - opacity); -#ifdef cimg_use_board - if (pboard) { - const float - l0 = light_texture((int)(light_texture.width()/2*(1 + lightprops(n0,0))), - (int)(light_texture.height()/2*(1 + lightprops(n0,1)))), - l1 = light_texture((int)(light_texture.width()/2*(1 + lightprops(n1,0))), - (int)(light_texture.height()/2*(1 + lightprops(n1,1)))), - l2 = light_texture((int)(light_texture.width()/2*(1 + lightprops(n2,0))), - (int)(light_texture.height()/2*(1 + lightprops(n2,1)))); - board.setPenColorRGBi(128,128,128,(unsigned char)(opacity*255)); - board.fillGouraudTriangle((float)x0,height() - (float)y0,l0, - (float)x1,height() - (float)y1,l1, - (float)x2,height() - (float)y2,l2); - } -#endif - break; - } - } break; - case 12 : { // Textured quadrangle - if (!__color) { - if (render_type==5) cimg::mutex(10,0); - throw CImgArgumentException(_cimg_instance - "draw_object3d(): Undefined texture for quadrangle primitive [%u].", - cimg_instance,n_primitive); - } - const unsigned int - n0 = (unsigned int)primitive[0], - n1 = (unsigned int)primitive[1], - n2 = (unsigned int)primitive[2], - n3 = (unsigned int)primitive[3]; - const int - tx0 = (int)primitive[4], ty0 = (int)primitive[5], - tx1 = (int)primitive[6], ty1 = (int)primitive[7], - tx2 = (int)primitive[8], ty2 = (int)primitive[9], - tx3 = (int)primitive[10], ty3 = (int)primitive[11], - x0 = (int)projections(n0,0), y0 = (int)projections(n0,1), - x1 = (int)projections(n1,0), y1 = (int)projections(n1,1), - x2 = (int)projections(n2,0), y2 = (int)projections(n2,1), - x3 = (int)projections(n3,0), y3 = (int)projections(n3,1); - const float - z0 = vertices(n0,2) + Z + _focale, - z1 = vertices(n1,2) + Z + _focale, - z2 = vertices(n2,2) + Z + _focale, - z3 = vertices(n3,2) + Z + _focale; - - switch (render_type) { - case 0 : - draw_point(x0,y0,color.get_vector_at(tx0<=0?0:tx0>=color.width()?color.width() - 1:tx0, - ty0<=0?0:ty0>=color.height()?color.height() - 1:ty0)._data,opacity). - draw_point(x1,y1,color.get_vector_at(tx1<=0?0:tx1>=color.width()?color.width() - 1:tx1, - ty1<=0?0:ty1>=color.height()?color.height() - 1:ty1)._data,opacity). - draw_point(x2,y2,color.get_vector_at(tx2<=0?0:tx2>=color.width()?color.width() - 1:tx2, - ty2<=0?0:ty2>=color.height()?color.height() - 1:ty2)._data,opacity). - draw_point(x3,y3,color.get_vector_at(tx3<=0?0:tx3>=color.width()?color.width() - 1:tx3, - ty3<=0?0:ty3>=color.height()?color.height() - 1:ty3)._data,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(128,128,128,(unsigned char)(opacity*255)); - board.drawCircle((float)x0,height() - (float)y0,0); - board.drawCircle((float)x1,height() - (float)y1,0); - board.drawCircle((float)x2,height() - (float)y2,0); - board.drawCircle((float)x3,height() - (float)y3,0); - } -#endif - break; - case 1 : - if (zbuffer) - draw_line(zbuffer,x0,y0,z0,x1,y1,z1,color,tx0,ty0,tx1,ty1,opacity). - draw_line(zbuffer,x1,y1,z1,x2,y2,z2,color,tx1,ty1,tx2,ty2,opacity). - draw_line(zbuffer,x2,y2,z2,x3,y3,z3,color,tx2,ty2,tx3,ty3,opacity). - draw_line(zbuffer,x3,y3,z3,x0,y0,z0,color,tx3,ty3,tx0,ty0,opacity); - else - draw_line(x0,y0,z0,x1,y1,z1,color,tx0,ty0,tx1,ty1,opacity). - draw_line(x1,y1,z1,x2,y2,z2,color,tx1,ty1,tx2,ty2,opacity). - draw_line(x2,y2,z2,x3,y3,z3,color,tx2,ty2,tx3,ty3,opacity). - draw_line(x3,y3,z3,x0,y0,z0,color,tx3,ty3,tx0,ty0,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(128,128,128,(unsigned char)(opacity*255)); - board.drawLine((float)x0,height() - (float)y0,(float)x1,height() - (float)y1); - board.drawLine((float)x1,height() - (float)y1,(float)x2,height() - (float)y2); - board.drawLine((float)x2,height() - (float)y2,(float)x3,height() - (float)y3); - board.drawLine((float)x3,height() - (float)y3,(float)x0,height() - (float)y0); - } -#endif - break; - case 2 : - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opacity). - draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3,opacity); - else - draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opacity). - draw_triangle(x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(128,128,128,(unsigned char)(opacity*255)); - board.fillTriangle((float)x0,height() - (float)y0, - (float)x1,height() - (float)y1, - (float)x2,height() - (float)y2); - board.fillTriangle((float)x0,height() - (float)y0, - (float)x2,height() - (float)y2, - (float)x3,height() - (float)y3); - } -#endif - break; - case 3 : - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opacity,lightprops(l)). - draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3,opacity,lightprops(l)); - else - draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opacity,lightprops(l)). - draw_triangle(x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3,opacity,lightprops(l)); -#ifdef cimg_use_board - if (pboard) { - const float lp = cimg::min(lightprops(l),1); - board.setPenColorRGBi((unsigned char)(128*lp), - (unsigned char)(128*lp), - (unsigned char)(128*lp), - (unsigned char)(opacity*255)); - board.fillTriangle((float)x0,height() - (float)y0, - (float)x1,height() - (float)y1, - (float)x2,height() - (float)y2); - board.fillTriangle((float)x0,height() - (float)y0, - (float)x2,height() - (float)y2, - (float)x3,height() - (float)y3); - } -#endif - break; - case 4 : { - const float - lightprop0 = lightprops(n0), lightprop1 = lightprops(n1), - lightprop2 = lightprops(n2), lightprop3 = lightprops(n3); - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2, - lightprop0,lightprop1,lightprop2,opacity). - draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3, - lightprop0,lightprop2,lightprop3,opacity); - else - draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2, - lightprop0,lightprop1,lightprop2,opacity). - draw_triangle(x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3, - lightprop0,lightprop2,lightprop3,opacity); -#ifdef cimg_use_board - if (pboard) { - board.setPenColorRGBi(128,128,128,(unsigned char)(opacity*255)); - board.fillGouraudTriangle((float)x0,height() - (float)y0,lightprop0, - (float)x1,height() - (float)y1,lightprop1, - (float)x2,height() - (float)y2,lightprop2); - board.fillGouraudTriangle((float)x0,height() -(float)y0,lightprop0, - (float)x2,height() - (float)y2,lightprop2, - (float)x3,height() - (float)y3,lightprop3); - } -#endif - } break; - case 5 : { - const unsigned int - lx0 = (unsigned int)lightprops(n0,0), ly0 = (unsigned int)lightprops(n0,1), - lx1 = (unsigned int)lightprops(n1,0), ly1 = (unsigned int)lightprops(n1,1), - lx2 = (unsigned int)lightprops(n2,0), ly2 = (unsigned int)lightprops(n2,1), - lx3 = (unsigned int)lightprops(n3,0), ly3 = (unsigned int)lightprops(n3,1); - if (zbuffer) - draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2, - light_texture,lx0,ly0,lx1,ly1,lx2,ly2,opacity). - draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3, - light_texture,lx0,ly0,lx2,ly2,lx3,ly3,opacity); - else - draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2, - light_texture,lx0,ly0,lx1,ly1,lx2,ly2,opacity). - draw_triangle(x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3, - light_texture,lx0,ly0,lx2,ly2,lx3,ly3,opacity); -#ifdef cimg_use_board - if (pboard) { - const float - l0 = light_texture((int)(light_texture.width()/2*(1 + lx0)), (int)(light_texture.height()/2*(1 + ly0))), - l1 = light_texture((int)(light_texture.width()/2*(1 + lx1)), (int)(light_texture.height()/2*(1 + ly1))), - l2 = light_texture((int)(light_texture.width()/2*(1 + lx2)), (int)(light_texture.height()/2*(1 + ly2))), - l3 = light_texture((int)(light_texture.width()/2*(1 + lx3)), (int)(light_texture.height()/2*(1 + ly3))); - board.setPenColorRGBi(128,128,128,(unsigned char)(opacity*255)); - board.fillGouraudTriangle((float)x0,height() - (float)y0,l0, - (float)x1,height() - (float)y1,l1, - (float)x2,height() - (float)y2,l2); - board.fillGouraudTriangle((float)x0,height() -(float)y0,l0, - (float)x2,height() - (float)y2,l2, - (float)x3,height() - (float)y3,l3); - } -#endif - } break; - } - } break; - } - } - - if (render_type==5) cimg::mutex(10,0); - return *this; - } - - //@} - //--------------------------- - // - //! \name Data Input - //@{ - //--------------------------- - - //! Launch simple interface to select a shape from an image. - /** - \param disp Display window to use. - \param feature_type Type of feature to select. Can be { 0=point | 1=line | 2=rectangle | 3=ellipse }. - \param XYZ Pointer to 3 values X,Y,Z which tells about the projection point coordinates, for volumetric images. - **/ - CImg& select(CImgDisplay &disp, - const unsigned int feature_type=2, unsigned int *const XYZ=0, - const bool exit_on_anykey=false) { - return get_select(disp,feature_type,XYZ,exit_on_anykey).move_to(*this); - } - - //! Simple interface to select a shape from an image \overloading. - CImg& select(const char *const title, - const unsigned int feature_type=2, unsigned int *const XYZ=0, - const bool exit_on_anykey=false) { - return get_select(title,feature_type,XYZ,exit_on_anykey).move_to(*this); - } - - //! Simple interface to select a shape from an image \newinstance. - CImg get_select(CImgDisplay &disp, - const unsigned int feature_type=2, unsigned int *const XYZ=0, - const bool exit_on_anykey=false) const { - return _get_select(disp,0,feature_type,XYZ,0,0,0,exit_on_anykey,true,false); - } - - //! Simple interface to select a shape from an image \newinstance. - CImg get_select(const char *const title, - const unsigned int feature_type=2, unsigned int *const XYZ=0, - const bool exit_on_anykey=false) const { - CImgDisplay disp; - return _get_select(disp,title,feature_type,XYZ,0,0,0,exit_on_anykey,true,false); - } - - CImg _get_select(CImgDisplay &disp, const char *const title, - const unsigned int feature_type, unsigned int *const XYZ, - const int origX, const int origY, const int origZ, - const bool exit_on_anykey, - const bool reset_view3d, - const bool force_display_z_coord) const { - if (is_empty()) return CImg(1,feature_type==0?3:6,1,1,-1); - if (!disp) { - disp.assign(cimg_fitscreen(_width,_height,_depth),title?title:0,1); - if (!title) disp.set_title("CImg<%s> (%ux%ux%ux%u)",pixel_type(),_width,_height,_depth,_spectrum); - } else if (title) disp.set_title("%s",title); - - CImg thumb; - if (width()>disp.screen_width() || height()>disp.screen_height()) { - const double ratio = cimg::min((double)disp.screen_width()/width(),(double)disp.screen_height()/height()); - get_resize(cimg::max(1,(int)(ratio*width())),cimg::max(1,(int)(ratio*height())),-100,-100).move_to(thumb); - } - - const unsigned int old_normalization = disp.normalization(); - bool old_is_resized = disp.is_resized(); - disp._normalization = 0; - disp.show().set_key(0).set_wheel().show_mouse(); - - static const unsigned char foreground_color[] = { 255,255,255 }, background_color[] = { 0,0,0 }; - - int area = 0, starting_area = 0, clicked_area = 0, phase = 0, - X0 = (int)((XYZ?XYZ[0]:(_width - 1)/2)%_width), - Y0 = (int)((XYZ?XYZ[1]:(_height - 1)/2)%_height), - Z0 = (int)((XYZ?XYZ[2]:(_depth - 1)/2)%_depth), - X1 =-1, Y1 = -1, Z1 = -1, - X3d = -1, Y3d = -1, - oX3d = X3d, oY3d = -1, - omx = -1, omy = -1; - float X = -1, Y = -1, Z = -1; - unsigned int old_button = 0, key = 0; - - bool shape_selected = false, text_down = false, visible_cursor = true; - static CImg pose3d; - static bool is_view3d = false, is_axes = true; - if (reset_view3d) { pose3d.assign(); is_view3d = false; } - CImg points3d, opacities3d, sel_opacities3d; - CImgList primitives3d, sel_primitives3d; - CImgList colors3d, sel_colors3d; - CImg visu, visu0, view3d; - CImg text(1024); *text = 0; - - while (!key && !disp.is_closed() && !shape_selected) { - - // Handle mouse motion and selection - int - mx = disp.mouse_x(), - my = disp.mouse_y(); - - const float - mX = mx<0?-1.0f:(float)mx*(width() + (depth()>1?depth():0))/disp.width(), - mY = my<0?-1.0f:(float)my*(height() + (depth()>1?depth():0))/disp.height(); - - area = 0; - if (mX>=0 && mY>=0 && mX=0 && mX=height()) { area = 2; X = mX; Z = mY - _height; Y = (float)(phase?Y1:Y0); } - if (mY>=0 && mX>=width() && mY=width() && mY>=height()) area = 4; - if (disp.button()) { if (!clicked_area) clicked_area = area; } else clicked_area = 0; - - CImg filename(32); - - switch (key = disp.key()) { -#if cimg_OS!=2 - case cimg::keyCTRLRIGHT : -#endif - case 0 : case cimg::keyCTRLLEFT : key = 0; break; - case cimg::keyPAGEUP : - if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { disp.set_wheel(1); key = 0; } break; - case cimg::keyPAGEDOWN : - if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { disp.set_wheel(-1); key = 0; } break; - case cimg::keyA : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - is_axes = !is_axes; disp.set_key(key,false); key = 0; visu0.assign(); - } break; - case cimg::keyD : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(CImgDisplay::_fitscreen(3*disp.width()/2,3*disp.height()/2,1,128,-100,false), - CImgDisplay::_fitscreen(3*disp.width()/2,3*disp.height()/2,1,128,-100,true),false). - _is_resized = true; - disp.set_key(key,false); key = 0; visu0.assign(); - } break; - case cimg::keyC : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(cimg_fitscreen(2*disp.width()/3,2*disp.height()/3,1),false)._is_resized = true; - disp.set_key(key,false); key = 0; visu0.assign(); - } break; - case cimg::keyR : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false).resize(cimg_fitscreen(_width,_height,_depth),false)._is_resized = true; - disp.set_key(key,false); key = 0; visu0.assign(); - } break; - case cimg::keyF : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.resize(disp.screen_width(),disp.screen_height(),false).toggle_fullscreen()._is_resized = true; - disp.set_key(key,false); key = 0; visu0.assign(); - } break; - case cimg::keyV : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - is_view3d = !is_view3d; disp.set_key(key,false); key = 0; visu0.assign(); - } break; - case cimg::keyS : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - static unsigned int snap_number = 0; - std::FILE *file; - do { - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.bmp",snap_number++); - if ((file=std::fopen(filename,"r"))!=0) cimg::fclose(file); - } while (file); - if (visu0) { - (+visu0).draw_text(0,0," Saving snapshot... ",foreground_color,background_color,0.7f,13).display(disp); - visu0.save(filename); - (+visu0).draw_text(0,0," Snapshot '%s' saved. ",foreground_color,background_color,0.7f,13,filename._data). - display(disp); - } - disp.set_key(key,false); key = 0; - } break; - case cimg::keyO : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - static unsigned int snap_number = 0; - std::FILE *file; - do { -#ifdef cimg_use_zlib - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.cimgz",snap_number++); -#else - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.cimg",snap_number++); -#endif - if ((file=std::fopen(filename,"r"))!=0) cimg::fclose(file); - } while (file); - (+visu0).draw_text(0,0," Saving instance... ",foreground_color,background_color,0.7f,13).display(disp); - save(filename); - (+visu0).draw_text(0,0," Instance '%s' saved. ",foreground_color,background_color,0.7f,13,filename._data). - display(disp); - disp.set_key(key,false); key = 0; - } break; - } - - switch (area) { - - case 0 : // When mouse is out of image range. - mx = my = -1; X = Y = Z = -1; - break; - - case 1 : case 2 : case 3 : // When mouse is over the XY,XZ or YZ projections. - if (disp.button()&1 && phase<2 && clicked_area==area) { // When selection has been started (1st step). - if (_depth>1 && (X1!=(int)X || Y1!=(int)Y || Z1!=(int)Z)) visu0.assign(); - X1 = (int)X; Y1 = (int)Y; Z1 = (int)Z; - } - if (!(disp.button()&1) && phase>=2 && clicked_area!=area) { // When selection is at 2nd step (for volumes). - switch (starting_area) { - case 1 : if (Z1!=(int)Z) visu0.assign(); Z1 = (int)Z; break; - case 2 : if (Y1!=(int)Y) visu0.assign(); Y1 = (int)Y; break; - case 3 : if (X1!=(int)X) visu0.assign(); X1 = (int)X; break; - } - } - if (disp.button()&2 && clicked_area==area) { // When moving through the image/volume. - if (phase) { - if (_depth>1 && (X1!=(int)X || Y1!=(int)Y || Z1!=(int)Z)) visu0.assign(); - X1 = (int)X; Y1 = (int)Y; Z1 = (int)Z; - } else { - if (_depth>1 && (X0!=(int)X || Y0!=(int)Y || Z0!=(int)Z)) visu0.assign(); - X0 = (int)X; Y0 = (int)Y; Z0 = (int)Z; - } - } - if (disp.button()&4) { - X = (float)X0; Y = (float)Y0; Z = (float)Z0; phase = area = clicked_area = starting_area = 0; - visu0.assign(); - } - if (disp.wheel()) { // When moving through the slices of the volume (with mouse wheel). - if (_depth>1 && !disp.is_keyCTRLLEFT() && !disp.is_keyCTRLRIGHT() && - !disp.is_keySHIFTLEFT() && !disp.is_keySHIFTRIGHT() && - !disp.is_keyALT() && !disp.is_keyALTGR()) { - switch (area) { - case 1 : - if (phase) Z = (float)(Z1+=disp.wheel()); else Z = (float)(Z0+=disp.wheel()); - visu0.assign(); break; - case 2 : - if (phase) Y = (float)(Y1+=disp.wheel()); else Y = (float)(Y0+=disp.wheel()); - visu0.assign(); break; - case 3 : - if (phase) X = (float)(X1+=disp.wheel()); else X = (float)(X0+=disp.wheel()); - visu0.assign(); break; - } - disp.set_wheel(); - } else key = ~0U; - } - if ((disp.button()&1)!=old_button) { // When left button has just been pressed or released. - switch (phase) { - case 0 : - if (area==clicked_area) { - X0 = X1 = (int)X; Y0 = Y1 = (int)Y; Z0 = Z1 = (int)Z; starting_area = area; ++phase; - } break; - case 1 : - if (area==starting_area) { - X1 = (int)X; Y1 = (int)Y; Z1 = (int)Z; ++phase; - } else if (!(disp.button()&1)) { X = (float)X0; Y = (float)Y0; Z = (float)Z0; phase = 0; visu0.assign(); } - break; - case 2 : ++phase; break; - } - old_button = disp.button()&1; - } - break; - - case 4 : // When mouse is over the 3d view. - if (is_view3d && points3d) { - X3d = mx - width()*disp.width()/(width() + (depth()>1?depth():0)); - Y3d = my - height()*disp.height()/(height() + (depth()>1?depth():0)); - if (oX3d<0) { oX3d = X3d; oY3d = Y3d; } - // Left + right buttons: reset. - if ((disp.button()&3)==3) { pose3d.assign(); view3d.assign(); oX3d = oY3d = X3d = Y3d = -1; } - else if (disp.button()&1 && pose3d && (oX3d!=X3d || oY3d!=Y3d)) { // Left button: rotate. - const float - R = 0.45f*cimg::min(view3d._width,view3d._height), - R2 = R*R, - u0 = (float)(oX3d - view3d.width()/2), - v0 = (float)(oY3d - view3d.height()/2), - u1 = (float)(X3d - view3d.width()/2), - v1 = (float)(Y3d - view3d.height()/2), - n0 = (float)std::sqrt(u0*u0 + v0*v0), - n1 = (float)std::sqrt(u1*u1 + v1*v1), - nu0 = n0>R?(u0*R/n0):u0, - nv0 = n0>R?(v0*R/n0):v0, - nw0 = (float)std::sqrt(cimg::max(0,R2 - nu0*nu0 - nv0*nv0)), - nu1 = n1>R?(u1*R/n1):u1, - nv1 = n1>R?(v1*R/n1):v1, - nw1 = (float)std::sqrt(cimg::max(0,R2 - nu1*nu1 - nv1*nv1)), - u = nv0*nw1 - nw0*nv1, - v = nw0*nu1 - nu0*nw1, - w = nv0*nu1 - nu0*nv1, - n = (float)std::sqrt(u*u + v*v + w*w), - alpha = (float)std::asin(n/R2); - pose3d.draw_image(CImg::rotation_matrix(u,v,w,alpha)*pose3d.get_crop(0,0,2,2)); - view3d.assign(); - } else if (disp.button()&2 && pose3d && oY3d!=Y3d) { // Right button: zoom. - pose3d(3,2)-=(oY3d - Y3d)*1.5f; view3d.assign(); - } - if (disp.wheel()) { // Wheel: zoom - pose3d(3,2)-=disp.wheel()*15; view3d.assign(); disp.set_wheel(); - } - if (disp.button()&4 && pose3d && (oX3d!=X3d || oY3d!=Y3d)) { // Middle button: shift. - pose3d(3,0)-=oX3d - X3d; pose3d(3,1)-=oY3d - Y3d; view3d.assign(); - } - oX3d = X3d; oY3d = Y3d; - } - mx = my = -1; X = Y = Z = -1; - break; - } - - if (phase) { - if (!feature_type) shape_selected = phase?true:false; - else { - if (_depth>1) shape_selected = (phase==3)?true:false; - else shape_selected = (phase==2)?true:false; - } - } - - if (X0<0) X0 = 0; if (X0>=width()) X0 = width() - 1; - if (Y0<0) Y0 = 0; if (Y0>=height()) Y0 = height() - 1; - if (Z0<0) Z0 = 0; if (Z0>=depth()) Z0 = depth() - 1; - if (X1<1) X1 = 0; if (X1>=width()) X1 = width() - 1; - if (Y1<0) Y1 = 0; if (Y1>=height()) Y1 = height() - 1; - if (Z1<0) Z1 = 0; if (Z1>=depth()) Z1 = depth() - 1; - - // Draw visualization image on the display - if (mx!=omx || my!=omy || !visu0 || (_depth>1 && !view3d)) { - - if (!visu0) { // Create image of projected planes. - if (thumb) thumb.__get_select(disp,old_normalization,phase?X1:X0,phase?Y1:Y0,phase?Z1:Z0).move_to(visu0); - else __get_select(disp,old_normalization,phase?X1:X0,phase?Y1:Y0,phase?Z1:Z0).move_to(visu0); - visu0.resize(disp); - view3d.assign(); - points3d.assign(); - } - - if (is_view3d && _depth>1 && !view3d) { // Create 3d view for volumetric images. - const unsigned int - _x3d = (unsigned int)cimg::round((float)_width*visu0._width/(_width + _depth),1,1), - _y3d = (unsigned int)cimg::round((float)_height*visu0._height/(_height + _depth),1,1), - x3d = _x3d>=visu0._width?visu0._width - 1:_x3d, - y3d = _y3d>=visu0._height?visu0._height - 1:_y3d; - CImg(1,2,1,1,64,128).resize(visu0._width - x3d,visu0._height - y3d,1,visu0._spectrum,3). - move_to(view3d); - if (!points3d) { - get_projections3d(primitives3d,colors3d,phase?X1:X0,phase?Y1:Y0,phase?Z1:Z0,true).move_to(points3d); - points3d.append(CImg(8,3,1,1, - 0,_width - 1,_width - 1,0,0,_width - 1,_width - 1,0, - 0,0,_height - 1,_height - 1,0,0,_height - 1,_height - 1, - 0,0,0,0,_depth - 1,_depth - 1,_depth - 1,_depth - 1),'x'); - CImg::vector(12,13).move_to(primitives3d); CImg::vector(13,14).move_to(primitives3d); - CImg::vector(14,15).move_to(primitives3d); CImg::vector(15,12).move_to(primitives3d); - CImg::vector(16,17).move_to(primitives3d); CImg::vector(17,18).move_to(primitives3d); - CImg::vector(18,19).move_to(primitives3d); CImg::vector(19,16).move_to(primitives3d); - CImg::vector(12,16).move_to(primitives3d); CImg::vector(13,17).move_to(primitives3d); - CImg::vector(14,18).move_to(primitives3d); CImg::vector(15,19).move_to(primitives3d); - colors3d.insert(12,CImg::vector(255,255,255)); - opacities3d.assign(primitives3d.width(),1,1,1,0.5f); - if (!phase) { - opacities3d[0] = opacities3d[1] = opacities3d[2] = 0.8f; - sel_primitives3d.assign(); - sel_colors3d.assign(); - sel_opacities3d.assign(); - } else { - if (feature_type==2) { - points3d.append(CImg(8,3,1,1, - X0,X1,X1,X0,X0,X1,X1,X0, - Y0,Y0,Y1,Y1,Y0,Y0,Y1,Y1, - Z0,Z0,Z0,Z0,Z1,Z1,Z1,Z1),'x'); - sel_primitives3d.assign(); - CImg::vector(20,21).move_to(sel_primitives3d); - CImg::vector(21,22).move_to(sel_primitives3d); - CImg::vector(22,23).move_to(sel_primitives3d); - CImg::vector(23,20).move_to(sel_primitives3d); - CImg::vector(24,25).move_to(sel_primitives3d); - CImg::vector(25,26).move_to(sel_primitives3d); - CImg::vector(26,27).move_to(sel_primitives3d); - CImg::vector(27,24).move_to(sel_primitives3d); - CImg::vector(20,24).move_to(sel_primitives3d); - CImg::vector(21,25).move_to(sel_primitives3d); - CImg::vector(22,26).move_to(sel_primitives3d); - CImg::vector(23,27).move_to(sel_primitives3d); - } else { - points3d.append(CImg(2,3,1,1, - X0,X1, - Y0,Y1, - Z0,Z1),'x'); - sel_primitives3d.assign(CImg::vector(20,21)); - } - sel_colors3d.assign(sel_primitives3d._width,CImg::vector(255,255,255)); - sel_opacities3d.assign(sel_primitives3d._width,1,1,1,0.8f); - } - points3d.shift_object3d(-0.5f*(_width - 1),-0.5f*(_height - 1),-0.5f*(_depth - 1)).resize_object3d(); - points3d*=0.75f*cimg::min(view3d._width,view3d._height); - } - - if (!pose3d) CImg(4,3,1,1, 1,0,0,0, 0,1,0,0, 0,0,1,0).move_to(pose3d); - CImg zbuffer3d(view3d._width,view3d._height,1,1,0); - const CImg rotated_points3d = pose3d.get_crop(0,0,2,2)*points3d; - if (sel_primitives3d) - view3d.draw_object3d(pose3d(3,0) + 0.5f*view3d._width, - pose3d(3,1) + 0.5f*view3d._height, - pose3d(3,2), - rotated_points3d,sel_primitives3d,sel_colors3d,sel_opacities3d, - 2,true,500,0,0,0,0,0,zbuffer3d); - view3d.draw_object3d(pose3d(3,0) + 0.5f*view3d._width, - pose3d(3,1) + 0.5f*view3d._height, - pose3d(3,2), - rotated_points3d,primitives3d,colors3d,opacities3d, - 2,true,500,0,0,0,0,0,zbuffer3d); - visu0.draw_image(x3d,y3d,view3d); - } - visu = visu0; - - if (X<0 || Y<0 || Z<0) { if (!visible_cursor) { disp.show_mouse(); visible_cursor = true; }} - else { - if (is_axes) { if (visible_cursor) { disp.hide_mouse(); visible_cursor = false; }} - else { if (!visible_cursor) { disp.show_mouse(); visible_cursor = true; }} - const int d = (depth()>1)?depth():0; - int - _X = (int)X, _Y = (int)Y, _Z = (int)Z, - w = disp.width(), W = width() + d, - h = disp.height(), H = height() + d, - _xp = (int)(_X*(float)w/W), xp = _xp + ((int)(_xp*(float)W/w)!=_X?1:0), - _yp = (int)(_Y*(float)h/H), yp = _yp + ((int)(_yp*(float)H/h)!=_Y?1:0), - _xn = (int)((_X + 1.0f)*w/W - 1), xn = _xn + ((int)((_xn + 1.0f)*W/w)!=_X + 1?1:0), - _yn = (int)((_Y + 1.0f)*h/H - 1), yn = _yn + ((int)((_yn + 1.0f)*H/h)!=_Y + 1?1:0), - _zxp = (int)((_Z + width())*(float)w/W), zxp = _zxp + ((int)(_zxp*(float)W/w)!=_Z + width()?1:0), - _zyp = (int)((_Z + height())*(float)h/H), zyp = _zyp + ((int)(_zyp*(float)H/h)!=_Z + height()?1:0), - _zxn = (int)((_Z + width() + 1.0f)*w/W - 1), - zxn = _zxn + ((int)((_zxn + 1.0f)*W/w)!=_Z + width() + 1?1:0), - _zyn = (int)((_Z + height() + 1.0f)*h/H - 1), - zyn = _zyn + ((int)((_zyn + 1.0f)*H/h)!=_Z + height() + 1?1:0), - _xM = (int)(width()*(float)w/W - 1), xM = _xM + ((int)((_xM + 1.0f)*W/w)!=width()?1:0), - _yM = (int)(height()*(float)h/H - 1), yM = _yM + ((int)((_yM + 1.0f)*H/h)!=height()?1:0), - xc = (xp + xn)/2, - yc = (yp + yn)/2, - zxc = (zxp + zxn)/2, - zyc = (zyp + zyn)/2, - xf = (int)(X*w/W), - yf = (int)(Y*h/H), - zxf = (int)((Z + width())*w/W), - zyf = (int)((Z + height())*h/H); - - if (is_axes) { // Draw axes. - visu.draw_line(0,yf,visu.width() - 1,yf,foreground_color,0.7f,0xFF00FF00). - draw_line(0,yf,visu.width() - 1,yf,background_color,0.7f,0x00FF00FF). - draw_line(xf,0,xf,visu.height() - 1,foreground_color,0.7f,0xFF00FF00). - draw_line(xf,0,xf,visu.height() - 1,background_color,0.7f,0x00FF00FF); - if (_depth>1) - visu.draw_line(zxf,0,zxf,yM,foreground_color,0.7f,0xFF00FF00). - draw_line(zxf,0,zxf,yM,background_color,0.7f,0x00FF00FF). - draw_line(0,zyf,xM,zyf,foreground_color,0.7f,0xFF00FF00). - draw_line(0,zyf,xM,zyf,background_color,0.7f,0x00FF00FF); - } - - // Draw box cursor. - if (xn - xp>=4 && yn - yp>=4) visu.draw_rectangle(xp,yp,xn,yn,foreground_color,0.2f). - draw_rectangle(xp,yp,xn,yn,foreground_color,1,0xAAAAAAAA). - draw_rectangle(xp,yp,xn,yn,background_color,1,0x55555555); - if (_depth>1) { - if (yn - yp>=4 && zxn - zxp>=4) visu.draw_rectangle(zxp,yp,zxn,yn,background_color,0.2f). - draw_rectangle(zxp,yp,zxn,yn,foreground_color,1,0xAAAAAAAA). - draw_rectangle(zxp,yp,zxn,yn,background_color,1,0x55555555); - if (xn - xp>=4 && zyn - zyp>=4) visu.draw_rectangle(xp,zyp,xn,zyn,background_color,0.2f). - draw_rectangle(xp,zyp,xn,zyn,foreground_color,1,0xAAAAAAAA). - draw_rectangle(xp,zyp,xn,zyn,background_color,1,0x55555555); - } - - // Draw selection. - if (phase) { - const int - _xp0 = (int)(X0*(float)w/W), xp0 = _xp0 + ((int)(_xp0*(float)W/w)!=X0?1:0), - _yp0 = (int)(Y0*(float)h/H), yp0 = _yp0 + ((int)(_yp0*(float)H/h)!=Y0?1:0), - _xn0 = (int)((X0 + 1.0f)*w/W - 1), xn0 = _xn0 + ((int)((_xn0 + 1.0f)*W/w)!=X0 + 1?1:0), - _yn0 = (int)((Y0 + 1.0f)*h/H - 1), yn0 = _yn0 + ((int)((_yn0 + 1.0f)*H/h)!=Y0 + 1?1:0), - _zxp0 = (int)((Z0 + width())*(float)w/W), zxp0 = _zxp0 + ((int)(_zxp0*(float)W/w)!=Z0 + width()?1:0), - _zyp0 = (int)((Z0 + height())*(float)h/H), zyp0 = _zyp0 + ((int)(_zyp0*(float)H/h)!=Z0 + height()?1:0), - _zxn0 = (int)((Z0 + width() + 1.0f)*w/W - 1), - zxn0 = _zxn0 + ((int)((_zxn0 + 1.0f)*W/w)!=Z0 + width() + 1?1:0), - _zyn0 = (int)((Z0 + height() + 1.0f)*h/H - 1), - zyn0 = _zyn0 + ((int)((_zyn0 + 1.0f)*H/h)!=Z0 + height() + 1?1:0), - xc0 = (xp0 + xn0)/2, - yc0 = (yp0 + yn0)/2, - zxc0 = (zxp0 + zxn0)/2, - zyc0 = (zyp0 + zyn0)/2; - - switch (feature_type) { - case 1 : { - visu.draw_arrow(xc0,yc0,xc,yc,background_color,0.9f,30,5,0x55555555). - draw_arrow(xc0,yc0,xc,yc,foreground_color,0.9f,30,5,0xAAAAAAAA); - if (d) { - visu.draw_arrow(zxc0,yc0,zxc,yc,background_color,0.9f,30,5,0x55555555). - draw_arrow(zxc0,yc0,zxc,yc,foreground_color,0.9f,30,5,0xAAAAAAAA). - draw_arrow(xc0,zyc0,xc,zyc,background_color,0.9f,30,5,0x55555555). - draw_arrow(xc0,zyc0,xc,zyc,foreground_color,0.9f,30,5,0xAAAAAAAA); - } - } break; - case 2 : { - visu.draw_rectangle(X0=0 && my<13) text_down = true; else if (my>=visu.height() - 13) text_down = false; - if (!feature_type || !phase) { - if (X>=0 && Y>=0 && Z>=0 && X1 || force_display_z_coord) - cimg_snprintf(text,text._width," Point (%d,%d,%d) = [ ",origX + (int)X,origY + (int)Y,origZ + (int)Z); - else cimg_snprintf(text,text._width," Point (%d,%d) = [ ",origX + (int)X,origY + (int)Y); - char *ctext = text._data + std::strlen(text), *const ltext = text._data + 512; - for (unsigned int c = 0; c<_spectrum && ctext::format(), - cimg::type::format((*this)((int)X,(int)Y,(int)Z,c))); - ctext = text._data + std::strlen(text); - *(ctext++) = ' '; *ctext = 0; - } - std::strcpy(text._data + std::strlen(text),"] "); - } - } else switch (feature_type) { - case 1 : { - const double dX = (double)(X0 - X1), dY = (double)(Y0 - Y1), dZ = (double)(Z0 - Z1), - norm = std::sqrt(dX*dX + dY*dY + dZ*dZ); - if (_depth>1 || force_display_z_coord) - cimg_snprintf(text,text._width," Vect (%d,%d,%d)-(%d,%d,%d), Norm = %g ", - origX + X0,origY + Y0,origZ + Z0,origX + X1,origY + Y1,origZ + Z1,norm); - else cimg_snprintf(text,text._width," Vect (%d,%d)-(%d,%d), Norm = %g ", - origX + X0,origY + Y0,origX + X1,origY + Y1,norm); - } break; - case 2 : - if (_depth>1 || force_display_z_coord) - cimg_snprintf(text,text._width," Box (%d,%d,%d)-(%d,%d,%d), Size = (%d,%d,%d) ", - origX + (X01 || force_display_z_coord) - cimg_snprintf(text,text._width," Ellipse (%d,%d,%d)-(%d,%d,%d), Radii = (%d,%d,%d) ", - origX + X0,origY + Y0,origZ + Z0,origX + X1,origY + Y1,origZ + Z1, - 1 + cimg::abs(X0 - X1),1 + cimg::abs(Y0 - Y1),1 + cimg::abs(Z0 - Z1)); - else cimg_snprintf(text,text._width," Ellipse (%d,%d)-(%d,%d), Radii = (%d,%d) ", - origX + X0,origY + Y0,origX + X1,origY + Y1, - 1 + cimg::abs(X0 - X1),1 + cimg::abs(Y0 - Y1)); - } - if (phase || (mx>=0 && my>=0)) - visu.draw_text(0,text_down?visu.height() - 13:0,text,foreground_color,background_color,0.7f,13); - } - - disp.display(visu).wait(); - } else if (!shape_selected) disp.wait(); - if (disp.is_resized()) { disp.resize(false)._is_resized = false; old_is_resized = true; visu0.assign(); } - omx = mx; omy = my; - if (!exit_on_anykey && key && key!=cimg::keyESC && - (key!=cimg::keyW || (!disp.is_keyCTRLLEFT() && !disp.is_keyCTRLRIGHT()))) { - key = 0; - } - } - - // Return result. - CImg res(1,feature_type==0?3:6,1,1,-1); - if (XYZ) { XYZ[0] = (unsigned int)X0; XYZ[1] = (unsigned int)Y0; XYZ[2] = (unsigned int)Z0; } - if (shape_selected) { - if (feature_type==2) { - if (X0>X1) cimg::swap(X0,X1); - if (Y0>Y1) cimg::swap(Y0,Y1); - if (Z0>Z1) cimg::swap(Z0,Z1); - } - if (X1<0 || Y1<0 || Z1<0) X0 = Y0 = Z0 = X1 = Y1 = Z1 = -1; - switch (feature_type) { - case 1 : case 2 : res[0] = X0; res[1] = Y0; res[2] = Z0; res[3] = X1; res[4] = Y1; res[5] = Z1; break; - case 3 : - res[3] = cimg::abs(X1 - X0); res[4] = cimg::abs(Y1 - Y0); res[5] = cimg::abs(Z1 - Z0); // keep no break here! - default : res[0] = X0; res[1] = Y0; res[2] = Z0; - } - } - if (!exit_on_anykey || !(disp.button()&4)) disp.set_button(); - if (!visible_cursor) disp.show_mouse(); - disp._normalization = old_normalization; - disp._is_resized = old_is_resized; - if (key!=~0U) disp.set_key(key); - return res; - } - - // Return a visualizable uchar8 image for display routines. - CImg __get_select(const CImgDisplay& disp, const int normalization, - const int x, const int y, const int z) const { - if (is_empty()) return CImg(1,1,1,1,0); - const CImg crop = get_shared_channels(0,cimg::min(2,spectrum() - 1)); - CImg img2d; - if (_depth>1) crop.get_projections2d(x,y,z).move_to(img2d); - else CImg(crop,false).move_to(img2d); - - // Check for inf and NaN values. - if (cimg::type::is_float() && normalization) { - bool is_inf = false, is_nan = false; - cimg_for(img2d,ptr,Tuchar) - if (cimg::type::is_inf(*ptr)) { is_inf = true; break; } - else if (cimg::type::is_nan(*ptr)) { is_nan = true; break; } - if (is_inf || is_nan) { - Tint m0 = (Tint)cimg::type::max(), M0 = (Tint)cimg::type::min(); - if (!normalization) { m0 = 0; M0 = 255; } - else if (normalization==2) { m0 = (Tint)disp._min; M0 = (Tint)disp._max; } - else - cimg_for(img2d,ptr,Tuchar) - if (!cimg::type::is_inf(*ptr) && !cimg::type::is_nan(*ptr)) { - if (*ptr<(Tuchar)m0) m0 = *ptr; - if (*ptr>(Tuchar)M0) M0 = *ptr; - } - const T - val_minf = (T)(normalization==1 || normalization==3?m0 - (M0 - m0)*20 - 1:m0), - val_pinf = (T)(normalization==1 || normalization==3?M0 + (M0 - m0)*20 + 1:M0); - if (is_nan) - cimg_for(img2d,ptr,Tuchar) - if (cimg::type::is_nan(*ptr)) *ptr = val_minf; // Replace NaN values. - if (is_inf) - cimg_for(img2d,ptr,Tuchar) - if (cimg::type::is_inf(*ptr)) *ptr = (float)*ptr<0?val_minf:val_pinf; // Replace +-inf values. - } - } - - switch (normalization) { - case 1 : img2d.normalize(0,255); break; - case 2 : { - const float m = disp._min, M = disp._max; - (img2d-=m)*=255.0f/(M - m>0?M - m:1); - } break; - case 3 : - if (cimg::type::is_float()) img2d.normalize(0,255); - else { - const float m = (float)cimg::type::min(), M = (float)cimg::type::max(); - (img2d-=m)*=255.0f/(M - m>0?M - m:1); - } break; - } - - if (img2d.spectrum()==2) img2d.channels(0,2); - return img2d; - } - - //! Select sub-graph in a graph. - CImg get_select_graph(CImgDisplay &disp, - const unsigned int plot_type=1, const unsigned int vertex_type=1, - const char *const labelx=0, const double xmin=0, const double xmax=0, - const char *const labely=0, const double ymin=0, const double ymax=0, - const bool exit_on_anykey=false) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "select_graph(): Empty instance.", - cimg_instance); - if (!disp) disp.assign(cimg_fitscreen(CImgDisplay::screen_width()/2,CImgDisplay::screen_height()/2,1),0,0). - set_title("CImg<%s>",pixel_type()); - const unsigned long siz = (unsigned long)_width*_height*_depth; - const unsigned int old_normalization = disp.normalization(); - disp.show().set_button().set_wheel()._normalization = 0; - - double nymin = ymin, nymax = ymax, nxmin = xmin, nxmax = xmax; - if (nymin==nymax) { nymin = (Tfloat)min_max(nymax); const double dy = nymax - nymin; nymin-=dy/20; nymax+=dy/20; } - if (nymin==nymax) { --nymin; ++nymax; } - if (nxmin==nxmax && nxmin==0) { nxmin = 0; nxmax = siz - 1.0; } - - static const unsigned char black[] = { 0, 0, 0 }, white[] = { 255, 255, 255 }, gray[] = { 220, 220, 220 }; - static const unsigned char gray2[] = { 110, 110, 110 }, ngray[] = { 35, 35, 35 }; - static unsigned int odimv = 0; - static CImg colormap; - if (odimv!=_spectrum) { - odimv = _spectrum; - colormap = CImg(3,_spectrum,1,1,120).noise(70,1); - if (_spectrum==1) { colormap[0] = colormap[1] = 120; colormap[2] = 200; } - else { - colormap(0,0) = 220; colormap(1,0) = 10; colormap(2,0) = 10; - if (_spectrum>1) { colormap(0,1) = 10; colormap(1,1) = 220; colormap(2,1) = 10; } - if (_spectrum>2) { colormap(0,2) = 10; colormap(1,2) = 10; colormap(2,2) = 220; } - } - } - - CImg visu0, visu, graph, text, axes; - int x0 = -1, x1 = -1, y0 = -1, y1 = -1, omouse_x = -2, omouse_y = -2; - const unsigned int one = plot_type==3?0U:1U; - unsigned int okey = 0, obutton = 0; - CImg message(1024); - CImg_3x3(I,unsigned char); - - for (bool selected = false; !selected && !disp.is_closed() && !okey && !disp.wheel(); ) { - const int mouse_x = disp.mouse_x(), mouse_y = disp.mouse_y(); - const unsigned int key = disp.key(), button = disp.button(); - - // Generate graph representation. - if (!visu0) { - visu0.assign(disp.width(),disp.height(),1,3,220); - const int gdimx = disp.width() - 32, gdimy = disp.height() - 32; - if (gdimx>0 && gdimy>0) { - graph.assign(gdimx,gdimy,1,3,255); - if (siz<32) { - if (siz>1) graph.draw_grid(gdimx/(float)(siz - one),gdimy/(float)(siz - one),0,0, - false,true,black,0.2f,0x33333333,0x33333333); - } else graph.draw_grid(-10,-10,0,0,false,true,black,0.2f,0x33333333,0x33333333); - cimg_forC(*this,c) - graph.draw_graph(get_shared_channel(c),&colormap(0,c),(plot_type!=3 || _spectrum==1)?1:0.6f, - plot_type,vertex_type,nymax,nymin); - - axes.assign(gdimx,gdimy,1,1,0); - const float - dx = (float)cimg::abs(nxmax - nxmin), dy = (float)cimg::abs(nymax - nymin), - px = (float)std::pow(10.0,(int)std::log10(dx?dx:1) - 2.0), - py = (float)std::pow(10.0,(int)std::log10(dy?dy:1) - 2.0); - const CImg - seqx = dx<=0?CImg::vector(nxmin): - CImg::sequence(1 + gdimx/60,nxmin,one?nxmax:nxmin + (nxmax - nxmin)*(siz + 1)/siz).round(px), - seqy = CImg::sequence(1 + gdimy/60,nymax,nymin).round(py); - - const bool allow_zero = (nxmin*nxmax>0) || (nymin*nymax>0); - axes.draw_axes(seqx,seqy,white,1,~0U,~0U,13,allow_zero); - if (nymin>0) axes.draw_axis(seqx,gdimy - 1,gray,1,~0U,13,allow_zero); - if (nymax<0) axes.draw_axis(seqx,0,gray,1,~0U,13,allow_zero); - if (nxmin>0) axes.draw_axis(0,seqy,gray,1,~0U,13,allow_zero); - if (nxmax<0) axes.draw_axis(gdimx - 1,seqy,gray,1,~0U,13,allow_zero); - - cimg_for3x3(axes,x,y,0,0,I,unsigned char) - if (Icc) { - if (Icc==255) cimg_forC(graph,c) graph(x,y,c) = 0; - else cimg_forC(graph,c) graph(x,y,c) = (unsigned char)(2*graph(x,y,c)/3); - } - else if (Ipc || Inc || Icp || Icn || Ipp || Inn || Ipn || Inp) - cimg_forC(graph,c) graph(x,y,c) = (unsigned char)((graph(x,y,c) + 511)/3); - - visu0.draw_image(16,16,graph); - visu0.draw_line(15,15,16 + gdimx,15,gray2).draw_line(16 + gdimx,15,16 + gdimx,16 + gdimy,gray2). - draw_line(16 + gdimx,16 + gdimy,15,16 + gdimy,white).draw_line(15,16 + gdimy,15,15,white); - } else graph.assign(); - text.assign().draw_text(0,0,labelx?labelx:"X-axis",white,ngray,1,13).resize(-100,-100,1,3); - visu0.draw_image((visu0.width() - text.width())/2,visu0.height() - 14,~text); - text.assign().draw_text(0,0,labely?labely:"Y-axis",white,ngray,1,13).rotate(-90).resize(-100,-100,1,3); - visu0.draw_image(1,(visu0.height() - text.height())/2,~text); - visu.assign(); - } - - // Generate and display current view. - if (!visu) { - visu.assign(visu0); - if (graph && x0>=0 && x1>=0) { - const int - nx0 = x0<=x1?x0:x1, - nx1 = x0<=x1?x1:x0, - ny0 = y0<=y1?y0:y1, - ny1 = y0<=y1?y1:y0, - sx0 = (int)(16 + nx0*(visu.width() - 32)/cimg::max(1U,siz - one)), - sx1 = (int)(15 + (nx1 + 1)*(visu.width() - 32)/cimg::max(1U,siz - one)), - sy0 = 16 + ny0, - sy1 = 16 + ny1; - if (y0>=0 && y1>=0) - visu.draw_rectangle(sx0,sy0,sx1,sy1,gray,0.5f).draw_rectangle(sx0,sy0,sx1,sy1,black,0.5f,0xCCCCCCCCU); - else visu.draw_rectangle(sx0,0,sx1,visu.height() - 17,gray,0.5f). - draw_line(sx0,16,sx0,visu.height() - 17,black,0.5f,0xCCCCCCCCU). - draw_line(sx1,16,sx1,visu.height() - 17,black,0.5f,0xCCCCCCCCU); - } - if (mouse_x>=16 && mouse_y>=16 && mouse_x=7) - cimg_snprintf(message,message._width,"Value[%u:%g] = ( %g %g %g ... %g %g %g )",x,cx, - (double)(*this)(x,0,0,0),(double)(*this)(x,0,0,1),(double)(*this)(x,0,0,2), - (double)(*this)(x,0,0,_spectrum - 4),(double)(*this)(x,0,0,_spectrum - 3), - (double)(*this)(x,0,0,_spectrum - 1)); - else { - cimg_snprintf(message,message._width,"Value[%u:%g] = ( ",x,cx); - cimg_forC(*this,c) cimg_sprintf(message._data + std::strlen(message),"%g ",(double)(*this)(x,0,0,c)); - cimg_sprintf(message._data + std::strlen(message),")"); - } - if (x0>=0 && x1>=0) { - const unsigned int - nx0 = (unsigned int)(x0<=x1?x0:x1), - nx1 = (unsigned int)(x0<=x1?x1:x0), - ny0 = (unsigned int)(y0<=y1?y0:y1), - ny1 = (unsigned int)(y0<=y1?y1:y0); - const double - cx0 = nxmin + nx0*(nxmax - nxmin)/cimg::max(1U,siz - 1), - cx1 = nxmin + (nx1 + one)*(nxmax - nxmin)/cimg::max(1U,siz - 1), - cy0 = nymax - ny0*(nymax - nymin)/(visu._height - 32), - cy1 = nymax - ny1*(nymax - nymin)/(visu._height - 32); - if (y0>=0 && y1>=0) - cimg_sprintf(message._data + std::strlen(message)," - Range ( %u:%g, %g ) - ( %u:%g, %g )", - x0,cx0,cy0,x1 + one,cx1,cy1); - else - cimg_sprintf(message._data + std::strlen(message)," - Range [ %u:%g - %u:%g ]", - x0,cx0,x1 + one,cx1); - } - text.assign().draw_text(0,0,message,white,ngray,1,13).resize(-100,-100,1,3); - visu.draw_image((visu.width() - text.width())/2,1,~text); - } - visu.display(disp); - } - - // Test keys. - CImg filename(32); - switch (okey = key) { -#if cimg_OS!=2 - case cimg::keyCTRLRIGHT : case cimg::keySHIFTRIGHT : -#endif - case cimg::keyCTRLLEFT : case cimg::keySHIFTLEFT : okey = 0; break; - case cimg::keyD : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(CImgDisplay::_fitscreen(3*disp.width()/2,3*disp.height()/2,1,128,-100,false), - CImgDisplay::_fitscreen(3*disp.width()/2,3*disp.height()/2,1,128,-100,true),false). - _is_resized = true; - disp.set_key(key,false); okey = 0; - } break; - case cimg::keyC : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(cimg_fitscreen(2*disp.width()/3,2*disp.height()/3,1),false)._is_resized = true; - disp.set_key(key,false); okey = 0; - } break; - case cimg::keyR : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(cimg_fitscreen(CImgDisplay::screen_width()/2, - CImgDisplay::screen_height()/2,1),false)._is_resized = true; - disp.set_key(key,false); okey = 0; - } break; - case cimg::keyF : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.resize(disp.screen_width(),disp.screen_height(),false).toggle_fullscreen()._is_resized = true; - disp.set_key(key,false); okey = 0; - } break; - case cimg::keyS : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - static unsigned int snap_number = 0; - if (visu || visu0) { - CImg &screen = visu?visu:visu0; - std::FILE *file; - do { - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.bmp",snap_number++); - if ((file=std::fopen(filename,"r"))!=0) cimg::fclose(file); - } while (file); - (+screen).draw_text(0,0," Saving snapshot... ",black,gray,1,13).display(disp); - screen.save(filename); - (+screen).draw_text(0,0," Snapshot '%s' saved. ",black,gray,1,13,filename._data).display(disp); - } - disp.set_key(key,false); okey = 0; - } break; - case cimg::keyO : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - static unsigned int snap_number = 0; - if (visu || visu0) { - CImg &screen = visu?visu:visu0; - std::FILE *file; - do { -#ifdef cimg_use_zlib - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.cimgz",snap_number++); -#else - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.cimg",snap_number++); -#endif - if ((file=std::fopen(filename,"r"))!=0) cimg::fclose(file); - } while (file); - (+screen).draw_text(0,0," Saving instance... ",black,gray,1,13).display(disp); - save(filename); - (+screen).draw_text(0,0," Instance '%s' saved. ",black,gray,1,13,filename._data).display(disp); - } - disp.set_key(key,false); okey = 0; - } break; - } - - // Handle mouse motion and mouse buttons - if (obutton!=button || omouse_x!=mouse_x || omouse_y!=mouse_y) { - visu.assign(); - if (disp.mouse_x()>=0 && disp.mouse_y()>=0) { - const int - mx = (mouse_x - 16)*(int)(siz - one)/(disp.width() - 32), - cx = mx<0?0:(mx>=(int)(siz - one)?(int)(siz - 1 - one):mx), - my = mouse_y - 16, - cy = my<=0?0:(my>=(disp.height() - 32)?(disp.height() - 32):my); - if (button&1) { - if (!obutton) { x0 = cx; y0 = -1; } else { x1 = cx; y1 = -1; } - } - else if (button&2) { - if (!obutton) { x0 = cx; y0 = cy; } else { x1 = cx; y1 = cy; } - } - else if (obutton) { x1 = x1>=0?cx:-1; y1 = y1>=0?cy:-1; selected = true; } - } else if (!button && obutton) selected = true; - obutton = button; omouse_x = mouse_x; omouse_y = mouse_y; - } - if (disp.is_resized()) { disp.resize(false); visu0.assign(); } - if (visu && visu0) disp.wait(); - if (!exit_on_anykey && okey && okey!=cimg::keyESC && - (okey!=cimg::keyW || (!disp.is_keyCTRLLEFT() && !disp.is_keyCTRLRIGHT()))) { - disp.set_key(key,false); - okey = 0; - } - } - - disp._normalization = old_normalization; - if (x1>=0 && x1(4,1,1,1,x0,y0,x1>=0?x1 + (int)one:-1,y1); - } - - //! Load image from a file. - /** - \param filename Filename, as a C-string. - \note The extension of \c filename defines the file format. If no filename - extension is provided, CImg::get_load() will try to load the file as a .cimg or .cimgz file. - **/ - CImg& load(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimg_instance - "load(): Specified filename is (null).", - cimg_instance); - - if (!cimg::strncasecmp(filename,"http://",7) || !cimg::strncasecmp(filename,"https://",8)) { - CImg filename_local(256); - load(cimg::load_network(filename,filename_local)); - std::remove(filename_local); - return *this; - } - - const char *const ext = cimg::split_filename(filename); - const unsigned int omode = cimg::exception_mode(); - cimg::exception_mode(0); - try { -#ifdef cimg_load_plugin - cimg_load_plugin(filename); -#endif -#ifdef cimg_load_plugin1 - cimg_load_plugin1(filename); -#endif -#ifdef cimg_load_plugin2 - cimg_load_plugin2(filename); -#endif -#ifdef cimg_load_plugin3 - cimg_load_plugin3(filename); -#endif -#ifdef cimg_load_plugin4 - cimg_load_plugin4(filename); -#endif -#ifdef cimg_load_plugin5 - cimg_load_plugin5(filename); -#endif -#ifdef cimg_load_plugin6 - cimg_load_plugin6(filename); -#endif -#ifdef cimg_load_plugin7 - cimg_load_plugin7(filename); -#endif -#ifdef cimg_load_plugin8 - cimg_load_plugin8(filename); -#endif - // Ascii formats - if (!cimg::strcasecmp(ext,"asc")) load_ascii(filename); - else if (!cimg::strcasecmp(ext,"dlm") || - !cimg::strcasecmp(ext,"txt")) load_dlm(filename); - - // 2d binary formats - else if (!cimg::strcasecmp(ext,"bmp")) load_bmp(filename); - else if (!cimg::strcasecmp(ext,"jpg") || - !cimg::strcasecmp(ext,"jpeg") || - !cimg::strcasecmp(ext,"jpe") || - !cimg::strcasecmp(ext,"jfif") || - !cimg::strcasecmp(ext,"jif")) load_jpeg(filename); - else if (!cimg::strcasecmp(ext,"png")) load_png(filename); - else if (!cimg::strcasecmp(ext,"ppm") || - !cimg::strcasecmp(ext,"pgm") || - !cimg::strcasecmp(ext,"pnm") || - !cimg::strcasecmp(ext,"pbm") || - !cimg::strcasecmp(ext,"pnk")) load_pnm(filename); - else if (!cimg::strcasecmp(ext,"pfm")) load_pfm(filename); - else if (!cimg::strcasecmp(ext,"tif") || - !cimg::strcasecmp(ext,"tiff")) load_tiff(filename); - else if (!cimg::strcasecmp(ext,"exr")) load_exr(filename); - else if (!cimg::strcasecmp(ext,"cr2") || - !cimg::strcasecmp(ext,"crw") || - !cimg::strcasecmp(ext,"dcr") || - !cimg::strcasecmp(ext,"mrw") || - !cimg::strcasecmp(ext,"nef") || - !cimg::strcasecmp(ext,"orf") || - !cimg::strcasecmp(ext,"pix") || - !cimg::strcasecmp(ext,"ptx") || - !cimg::strcasecmp(ext,"raf") || - !cimg::strcasecmp(ext,"srf")) load_dcraw_external(filename); - else if (!cimg::strcasecmp(ext,"gif")) load_gif_external(filename); - - // 3d binary formats - else if (!cimg::strcasecmp(ext,"dcm") || - !cimg::strcasecmp(ext,"dicom")) load_medcon_external(filename); - else if (!cimg::strcasecmp(ext,"hdr") || - !cimg::strcasecmp(ext,"nii")) load_analyze(filename); - else if (!cimg::strcasecmp(ext,"par") || - !cimg::strcasecmp(ext,"rec")) load_parrec(filename); - else if (!cimg::strcasecmp(ext,"mnc")) load_minc2(filename); - else if (!cimg::strcasecmp(ext,"inr")) load_inr(filename); - else if (!cimg::strcasecmp(ext,"pan")) load_pandore(filename); - else if (!cimg::strcasecmp(ext,"cimg") || - !cimg::strcasecmp(ext,"cimgz") || - !*ext) return load_cimg(filename); - - // Archive files - else if (!cimg::strcasecmp(ext,"gz")) load_gzip_external(filename); - - // Image sequences - else if (!cimg::strcasecmp(ext,"avi") || - !cimg::strcasecmp(ext,"mov") || - !cimg::strcasecmp(ext,"asf") || - !cimg::strcasecmp(ext,"divx") || - !cimg::strcasecmp(ext,"flv") || - !cimg::strcasecmp(ext,"mpg") || - !cimg::strcasecmp(ext,"m1v") || - !cimg::strcasecmp(ext,"m2v") || - !cimg::strcasecmp(ext,"m4v") || - !cimg::strcasecmp(ext,"mjp") || - !cimg::strcasecmp(ext,"mp4") || - !cimg::strcasecmp(ext,"mkv") || - !cimg::strcasecmp(ext,"mpe") || - !cimg::strcasecmp(ext,"movie") || - !cimg::strcasecmp(ext,"ogm") || - !cimg::strcasecmp(ext,"ogg") || - !cimg::strcasecmp(ext,"ogv") || - !cimg::strcasecmp(ext,"qt") || - !cimg::strcasecmp(ext,"rm") || - !cimg::strcasecmp(ext,"vob") || - !cimg::strcasecmp(ext,"wmv") || - !cimg::strcasecmp(ext,"xvid") || - !cimg::strcasecmp(ext,"mpeg")) load_video(filename); - else throw CImgIOException("CImg<%s>::load()", - pixel_type()); - } catch (CImgIOException&) { - std::FILE *file = 0; - try { - file = cimg::fopen(filename,"rb"); - } catch (CImgIOException&) { - cimg::exception_mode(omode); - throw CImgIOException(_cimg_instance - "load(): Failed to open file '%s'.", - cimg_instance, - filename); - } - - try { - const char *const f_type = cimg::ftype(file,filename); - std::fclose(file); - if (!cimg::strcasecmp(f_type,"pnm")) load_pnm(filename); - else if (!cimg::strcasecmp(f_type,"pfm")) load_pfm(filename); - else if (!cimg::strcasecmp(f_type,"bmp")) load_bmp(filename); - else if (!cimg::strcasecmp(f_type,"inr")) load_inr(filename); - else if (!cimg::strcasecmp(f_type,"jpg")) load_jpeg(filename); - else if (!cimg::strcasecmp(f_type,"pan")) load_pandore(filename); - else if (!cimg::strcasecmp(f_type,"png")) load_png(filename); - else if (!cimg::strcasecmp(f_type,"tif")) load_tiff(filename); - else if (!cimg::strcasecmp(f_type,"gif")) load_gif_external(filename); - else if (!cimg::strcasecmp(f_type,"dcm")) load_medcon_external(filename); - else throw CImgIOException("CImg<%s>::load()", - pixel_type()); - } catch (CImgIOException&) { - try { - load_other(filename); - } catch (CImgIOException&) { - cimg::exception_mode(omode); - throw CImgIOException(_cimg_instance - "load(): Failed to recognize format of file '%s'.", - cimg_instance, - filename); - } - } - } - cimg::exception_mode(omode); - return *this; - } - - //! Load image from a file \newinstance. - static CImg get_load(const char *const filename) { - return CImg().load(filename); - } - - //! Load image from an ascii file. - /** - \param filename Filename, as a C -string. - **/ - CImg& load_ascii(const char *const filename) { - return _load_ascii(0,filename); - } - - //! Load image from an ascii file \inplace. - static CImg get_load_ascii(const char *const filename) { - return CImg().load_ascii(filename); - } - - //! Load image from an ascii file \overloading. - CImg& load_ascii(std::FILE *const file) { - return _load_ascii(file,0); - } - - //! Loadimage from an ascii file \newinstance. - static CImg get_load_ascii(std::FILE *const file) { - return CImg().load_ascii(file); - } - - CImg& _load_ascii(std::FILE *const file, const char *const filename) { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_ascii(): Specified filename is (null).", - cimg_instance); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - CImg line(256); *line = 0; - int err = std::fscanf(nfile,"%255[^\n]",line._data); - unsigned int dx = 0, dy = 1, dz = 1, dc = 1; - cimg_sscanf(line,"%u%*c%u%*c%u%*c%u",&dx,&dy,&dz,&dc); - err = std::fscanf(nfile,"%*[^0-9.eEinfa+-]"); - if (!dx || !dy || !dz || !dc) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_ascii(): Invalid ascii header in file '%s', image dimensions are set " - "to (%u,%u,%u,%u).", - cimg_instance, - filename?filename:"(FILE*)",dx,dy,dz,dc); - } - assign(dx,dy,dz,dc); - const unsigned long siz = size(); - unsigned long off = 0; - double val; - T *ptr = _data; - for (err = 1, off = 0; off& load_dlm(const char *const filename) { - return _load_dlm(0,filename); - } - - //! Load image from a DLM file \newinstance. - static CImg get_load_dlm(const char *const filename) { - return CImg().load_dlm(filename); - } - - //! Load image from a DLM file \overloading. - CImg& load_dlm(std::FILE *const file) { - return _load_dlm(file,0); - } - - //! Load image from a DLM file \newinstance. - static CImg get_load_dlm(std::FILE *const file) { - return CImg().load_dlm(file); - } - - CImg& _load_dlm(std::FILE *const file, const char *const filename) { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_dlm(): Specified filename is (null).", - cimg_instance); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"r"); - CImg delimiter(256), tmp(256); *delimiter = *tmp = 0; - unsigned int cdx = 0, dx = 0, dy = 0; - int err = 0; - double val; - assign(256,256,1,1,0); - while ((err = std::fscanf(nfile,"%lf%255[^0-9eEinfa.+-]",&val,delimiter._data))>0) { - if (err>0) (*this)(cdx++,dy) = (T)val; - if (cdx>=_width) resize(3*_width/2,_height,1,1,0); - char c = 0; - if (!cimg_sscanf(delimiter,"%255[^\n]%c",tmp._data,&c) || c=='\n') { - dx = cimg::max(cdx,dx); - if (++dy>=_height) resize(_width,3*_height/2,1,1,0); - cdx = 0; - } - } - if (cdx && err==1) { dx = cdx; ++dy; } - if (!dx || !dy) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_dlm(): Invalid DLM file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - } - resize(dx,dy,1,1,0); - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Load image from a BMP file. - /** - \param filename Filename, as a C-string. - **/ - CImg& load_bmp(const char *const filename) { - return _load_bmp(0,filename); - } - - //! Load image from a BMP file \newinstance. - static CImg get_load_bmp(const char *const filename) { - return CImg().load_bmp(filename); - } - - //! Load image from a BMP file \overloading. - CImg& load_bmp(std::FILE *const file) { - return _load_bmp(file,0); - } - - //! Load image from a BMP file \newinstance. - static CImg get_load_bmp(std::FILE *const file) { - return CImg().load_bmp(file); - } - - CImg& _load_bmp(std::FILE *const file, const char *const filename) { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_bmp(): Specified filename is (null).", - cimg_instance); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - CImg header(54); - cimg::fread(header._data,54,nfile); - if (*header!='B' || header[1]!='M') { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_bmp(): Invalid BMP file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - } - - // Read header and pixel buffer - int - file_size = header[0x02] + (header[0x03]<<8) + (header[0x04]<<16) + (header[0x05]<<24), - offset = header[0x0A] + (header[0x0B]<<8) + (header[0x0C]<<16) + (header[0x0D]<<24), - header_size = header[0x0E] + (header[0x0F]<<8) + (header[0x10]<<16) + (header[0x11]<<24), - dx = header[0x12] + (header[0x13]<<8) + (header[0x14]<<16) + (header[0x15]<<24), - dy = header[0x16] + (header[0x17]<<8) + (header[0x18]<<16) + (header[0x19]<<24), - compression = header[0x1E] + (header[0x1F]<<8) + (header[0x20]<<16) + (header[0x21]<<24), - nb_colors = header[0x2E] + (header[0x2F]<<8) + (header[0x30]<<16) + (header[0x31]<<24), - bpp = header[0x1C] + (header[0x1D]<<8); - - if (!file_size || file_size==offset) { - std::fseek(nfile,0,SEEK_END); - file_size = (int)std::ftell(nfile); - std::fseek(nfile,54,SEEK_SET); - } - if (header_size>40) std::fseek(nfile,header_size - 40,SEEK_CUR); - - const int - cimg_iobuffer = 24*1024*1024, - dx_bytes = (bpp==1)?(dx/8 + (dx%8?1:0)):((bpp==4)?(dx/2 + (dx%2?1:0)):(dx*bpp/8)), - align_bytes = (4 - dx_bytes%4)%4, - buf_size = cimg::min(cimg::abs(dy)*(dx_bytes + align_bytes),file_size - offset); - - CImg colormap; - if (bpp<16) { if (!nb_colors) nb_colors = 1<0) std::fseek(nfile,xoffset,SEEK_CUR); - - CImg buffer; - if (buf_size=0; --y) { - if (buf_size>=cimg_iobuffer) { - cimg::fread(ptrs=buffer._data,dx_bytes,nfile); - std::fseek(nfile,align_bytes,SEEK_CUR); - } - unsigned char mask = 0x80, val = 0; - cimg_forX(*this,x) { - if (mask==0x80) val = *(ptrs++); - const unsigned char *col = (unsigned char*)(colormap._data + (val&mask?1:0)); - (*this)(x,y,2) = (T)*(col++); - (*this)(x,y,1) = (T)*(col++); - (*this)(x,y,0) = (T)*(col++); - mask = cimg::ror(mask); - } - ptrs+=align_bytes; - } - } break; - case 4 : { // 16 colors - for (int y = height() - 1; y>=0; --y) { - if (buf_size>=cimg_iobuffer) { - cimg::fread(ptrs=buffer._data,dx_bytes,nfile); - std::fseek(nfile,align_bytes,SEEK_CUR); - } - unsigned char mask = 0xF0, val = 0; - cimg_forX(*this,x) { - if (mask==0xF0) val = *(ptrs++); - const unsigned char color = (unsigned char)((mask<16)?(val&mask):((val&mask)>>4)); - const unsigned char *col = (unsigned char*)(colormap._data + color); - (*this)(x,y,2) = (T)*(col++); - (*this)(x,y,1) = (T)*(col++); - (*this)(x,y,0) = (T)*(col++); - mask = cimg::ror(mask,4); - } - ptrs+=align_bytes; - } - } break; - case 8 : { // 256 colors - for (int y = height() - 1; y>=0; --y) { - if (buf_size>=cimg_iobuffer) { - cimg::fread(ptrs=buffer._data,dx_bytes,nfile); - std::fseek(nfile,align_bytes,SEEK_CUR); - } - cimg_forX(*this,x) { - const unsigned char *col = (unsigned char*)(colormap._data + *(ptrs++)); - (*this)(x,y,2) = (T)*(col++); - (*this)(x,y,1) = (T)*(col++); - (*this)(x,y,0) = (T)*(col++); - } - ptrs+=align_bytes; - } - } break; - case 16 : { // 16 bits colors - for (int y = height() - 1; y>=0; --y) { - if (buf_size>=cimg_iobuffer) { - cimg::fread(ptrs=buffer._data,dx_bytes,nfile); - std::fseek(nfile,align_bytes,SEEK_CUR); - } - cimg_forX(*this,x) { - const unsigned char c1 = *(ptrs++), c2 = *(ptrs++); - const unsigned short col = (unsigned short)(c1|(c2<<8)); - (*this)(x,y,2) = (T)(col&0x1F); - (*this)(x,y,1) = (T)((col>>5)&0x1F); - (*this)(x,y,0) = (T)((col>>10)&0x1F); - } - ptrs+=align_bytes; - } - } break; - case 24 : { // 24 bits colors - for (int y = height() - 1; y>=0; --y) { - if (buf_size>=cimg_iobuffer) { - cimg::fread(ptrs=buffer._data,dx_bytes,nfile); - std::fseek(nfile,align_bytes,SEEK_CUR); - } - cimg_forX(*this,x) { - (*this)(x,y,2) = (T)*(ptrs++); - (*this)(x,y,1) = (T)*(ptrs++); - (*this)(x,y,0) = (T)*(ptrs++); - } - ptrs+=align_bytes; - } - } break; - case 32 : { // 32 bits colors - for (int y = height() - 1; y>=0; --y) { - if (buf_size>=cimg_iobuffer) { - cimg::fread(ptrs=buffer._data,dx_bytes,nfile); - std::fseek(nfile,align_bytes,SEEK_CUR); - } - cimg_forX(*this,x) { - (*this)(x,y,2) = (T)*(ptrs++); - (*this)(x,y,1) = (T)*(ptrs++); - (*this)(x,y,0) = (T)*(ptrs++); - ++ptrs; - } - ptrs+=align_bytes; - } - } break; - } - if (dy<0) mirror('y'); - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Load image from a JPEG file. - /** - \param filename Filename, as a C-string. - **/ - CImg& load_jpeg(const char *const filename) { - return _load_jpeg(0,filename); - } - - //! Load image from a JPEG file \newinstance. - static CImg get_load_jpeg(const char *const filename) { - return CImg().load_jpeg(filename); - } - - //! Load image from a JPEG file \overloading. - CImg& load_jpeg(std::FILE *const file) { - return _load_jpeg(file,0); - } - - //! Load image from a JPEG file \newinstance. - static CImg get_load_jpeg(std::FILE *const file) { - return CImg().load_jpeg(file); - } - - // Custom error handler for libjpeg. -#ifdef cimg_use_jpeg - struct _cimg_error_mgr { - struct jpeg_error_mgr original; - jmp_buf setjmp_buffer; - char message[JMSG_LENGTH_MAX]; - }; - - typedef struct _cimg_error_mgr *_cimg_error_ptr; - - METHODDEF(void) _cimg_jpeg_error_exit(j_common_ptr cinfo) { - _cimg_error_ptr c_err = (_cimg_error_ptr) cinfo->err; // Return control to the setjmp point - (*cinfo->err->format_message)(cinfo,c_err->message); - jpeg_destroy(cinfo); // Clean memory and temp files. - longjmp(c_err->setjmp_buffer,1); - } -#endif - - CImg& _load_jpeg(std::FILE *const file, const char *const filename) { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_jpeg(): Specified filename is (null).", - cimg_instance); - -#ifndef cimg_use_jpeg - if (file) - throw CImgIOException(_cimg_instance - "load_jpeg(): Unable to load data from '(FILE*)' unless libjpeg is enabled.", - cimg_instance); - else return load_other(filename); -#else - - struct jpeg_decompress_struct cinfo; - struct _cimg_error_mgr jerr; - cinfo.err = jpeg_std_error(&jerr.original); - jerr.original.error_exit = _cimg_jpeg_error_exit; - - if (setjmp(jerr.setjmp_buffer)) { // JPEG error - throw CImgIOException(_cimg_instance - "load_jpeg(): Error message returned by libjpeg: %s.", - cimg_instance,jerr.message); - } - - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - jpeg_create_decompress(&cinfo); - jpeg_stdio_src(&cinfo,nfile); - jpeg_read_header(&cinfo,TRUE); - jpeg_start_decompress(&cinfo); - - if (cinfo.output_components!=1 && cinfo.output_components!=3 && cinfo.output_components!=4) { - if (!file) { - cimg::fclose(nfile); - return load_other(filename); - } else - throw CImgIOException(_cimg_instance - "load_jpeg(): Failed to load JPEG data from file '%s'.", - cimg_instance,filename?filename:"(FILE*)"); - } - CImg buffer(cinfo.output_width*cinfo.output_components); - JSAMPROW row_pointer[1]; - assign(cinfo.output_width,cinfo.output_height,1,cinfo.output_components); - T *ptr_r = _data, *ptr_g = _data + 1UL*_width*_height, *ptr_b = _data + 2UL*_width*_height, - *ptr_a = _data + 3UL*_width*_height; - while (cinfo.output_scanline - // This is experimental code, not much tested, use with care. - CImg& load_magick(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimg_instance - "load_magick(): Specified filename is (null).", - cimg_instance); -#ifdef cimg_use_magick - Magick::Image image(filename); - const unsigned int W = image.size().width(), H = image.size().height(); - switch (image.type()) { - case Magick::PaletteMatteType : - case Magick::TrueColorMatteType : - case Magick::ColorSeparationType : { - assign(W,H,1,4); - T *ptr_r = data(0,0,0,0), *ptr_g = data(0,0,0,1), *ptr_b = data(0,0,0,2), *ptr_a = data(0,0,0,3); - Magick::PixelPacket *pixels = image.getPixels(0,0,W,H); - for (unsigned long off = (unsigned long)W*H; off; --off) { - *(ptr_r++) = (T)(pixels->red); - *(ptr_g++) = (T)(pixels->green); - *(ptr_b++) = (T)(pixels->blue); - *(ptr_a++) = (T)(pixels->opacity); - ++pixels; - } - } break; - case Magick::PaletteType : - case Magick::TrueColorType : { - assign(W,H,1,3); - T *ptr_r = data(0,0,0,0), *ptr_g = data(0,0,0,1), *ptr_b = data(0,0,0,2); - Magick::PixelPacket *pixels = image.getPixels(0,0,W,H); - for (unsigned long off = (unsigned long)W*H; off; --off) { - *(ptr_r++) = (T)(pixels->red); - *(ptr_g++) = (T)(pixels->green); - *(ptr_b++) = (T)(pixels->blue); - ++pixels; - } - } break; - case Magick::GrayscaleMatteType : { - assign(W,H,1,2); - T *ptr_r = data(0,0,0,0), *ptr_a = data(0,0,0,1); - Magick::PixelPacket *pixels = image.getPixels(0,0,W,H); - for (unsigned long off = (unsigned long)W*H; off; --off) { - *(ptr_r++) = (T)(pixels->red); - *(ptr_a++) = (T)(pixels->opacity); - ++pixels; - } - } break; - default : { - assign(W,H,1,1); - T *ptr_r = data(0,0,0,0); - Magick::PixelPacket *pixels = image.getPixels(0,0,W,H); - for (unsigned long off = (unsigned long)W*H; off; --off) { - *(ptr_r++) = (T)(pixels->red); - ++pixels; - } - } - } - return *this; -#else - throw CImgIOException(_cimg_instance - "load_magick(): Unable to load file '%s' unless libMagick++ is enabled.", - cimg_instance, - filename); -#endif - } - - //! Load image from a file, using Magick++ library \newinstance. - static CImg get_load_magick(const char *const filename) { - return CImg().load_magick(filename); - } - - //! Load image from a PNG file. - /** - \param filename Filename, as a C-string. - **/ - CImg& load_png(const char *const filename) { - return _load_png(0,filename); - } - - //! Load image from a PNG file \newinstance. - static CImg get_load_png(const char *const filename) { - return CImg().load_png(filename); - } - - //! Load image from a PNG file \overloading. - CImg& load_png(std::FILE *const file) { - return _load_png(file,0); - } - - //! Load image from a PNG file \newinstance. - static CImg get_load_png(std::FILE *const file) { - return CImg().load_png(file); - } - - // (Note: Most of this function has been written by Eric Fausett) - CImg& _load_png(std::FILE *const file, const char *const filename) { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_png(): Specified filename is (null).", - cimg_instance); - -#ifndef cimg_use_png - if (file) - throw CImgIOException(_cimg_instance - "load_png(): Unable to load data from '(FILE*)' unless libpng is enabled.", - cimg_instance); - - else return load_other(filename); -#else - // Open file and check for PNG validity - const char *volatile nfilename = filename; // two 'volatile' here to remove a g++ warning due to 'setjmp'. - std::FILE *volatile nfile = file?file:cimg::fopen(nfilename,"rb"); - - unsigned char pngCheck[8] = { 0 }; - cimg::fread(pngCheck,8,(std::FILE*)nfile); - if (png_sig_cmp(pngCheck,0,8)) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_png(): Invalid PNG file '%s'.", - cimg_instance, - nfilename?nfilename:"(FILE*)"); - } - - // Setup PNG structures for read - png_voidp user_error_ptr = 0; - png_error_ptr user_error_fn = 0, user_warning_fn = 0; - png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,user_error_ptr,user_error_fn,user_warning_fn); - if (!png_ptr) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_png(): Failed to initialize 'png_ptr' structure for file '%s'.", - cimg_instance, - nfilename?nfilename:"(FILE*)"); - } - png_infop info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) { - if (!file) cimg::fclose(nfile); - png_destroy_read_struct(&png_ptr,(png_infopp)0,(png_infopp)0); - throw CImgIOException(_cimg_instance - "load_png(): Failed to initialize 'info_ptr' structure for file '%s'.", - cimg_instance, - nfilename?nfilename:"(FILE*)"); - } - png_infop end_info = png_create_info_struct(png_ptr); - if (!end_info) { - if (!file) cimg::fclose(nfile); - png_destroy_read_struct(&png_ptr,&info_ptr,(png_infopp)0); - throw CImgIOException(_cimg_instance - "load_png(): Failed to initialize 'end_info' structure for file '%s'.", - cimg_instance, - nfilename?nfilename:"(FILE*)"); - } - - // Error handling callback for png file reading - if (setjmp(png_jmpbuf(png_ptr))) { - if (!file) cimg::fclose((std::FILE*)nfile); - png_destroy_read_struct(&png_ptr, &end_info, (png_infopp)0); - throw CImgIOException(_cimg_instance - "load_png(): Encountered unknown fatal error in libpng for file '%s'.", - cimg_instance, - nfilename?nfilename:"(FILE*)"); - } - png_init_io(png_ptr, nfile); - png_set_sig_bytes(png_ptr, 8); - - // Get PNG Header Info up to data block - png_read_info(png_ptr,info_ptr); - png_uint_32 W, H; - int bit_depth, color_type, interlace_type; - bool is_gray = false; - png_get_IHDR(png_ptr,info_ptr,&W,&H,&bit_depth,&color_type,&interlace_type,(int*)0,(int*)0); - - // Transforms to unify image data - if (color_type==PNG_COLOR_TYPE_PALETTE) { - png_set_palette_to_rgb(png_ptr); - color_type = PNG_COLOR_TYPE_RGB; - bit_depth = 8; - } - if (color_type==PNG_COLOR_TYPE_GRAY && bit_depth<8) { - png_set_expand_gray_1_2_4_to_8(png_ptr); - is_gray = true; - bit_depth = 8; - } - if (png_get_valid(png_ptr,info_ptr,PNG_INFO_tRNS)) { - png_set_tRNS_to_alpha(png_ptr); - color_type |= PNG_COLOR_MASK_ALPHA; - } - if (color_type==PNG_COLOR_TYPE_GRAY || color_type==PNG_COLOR_TYPE_GRAY_ALPHA) { - png_set_gray_to_rgb(png_ptr); - color_type |= PNG_COLOR_MASK_COLOR; - is_gray = true; - } - if (color_type==PNG_COLOR_TYPE_RGB) - png_set_filler(png_ptr,0xffffU,PNG_FILLER_AFTER); - - png_read_update_info(png_ptr,info_ptr); - if (bit_depth!=8 && bit_depth!=16) { - if (!file) cimg::fclose(nfile); - png_destroy_read_struct(&png_ptr,&end_info,(png_infopp)0); - throw CImgIOException(_cimg_instance - "load_png(): Invalid bit depth %u in file '%s'.", - cimg_instance, - bit_depth,nfilename?nfilename:"(FILE*)"); - } - const int byte_depth = bit_depth>>3; - - // Allocate Memory for Image Read - png_bytep *const imgData = new png_bytep[H]; - for (unsigned int row = 0; row& load_pnm(const char *const filename) { - return _load_pnm(0,filename); - } - - //! Load image from a PNM file \newinstance. - static CImg get_load_pnm(const char *const filename) { - return CImg().load_pnm(filename); - } - - //! Load image from a PNM file \overloading. - CImg& load_pnm(std::FILE *const file) { - return _load_pnm(file,0); - } - - //! Load image from a PNM file \newinstance. - static CImg get_load_pnm(std::FILE *const file) { - return CImg().load_pnm(file); - } - - CImg& _load_pnm(std::FILE *const file, const char *const filename) { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_pnm(): Specified filename is (null).", - cimg_instance); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - unsigned int ppm_type, W, H, D = 1, colormax = 255; - CImg item(16384,1,1,1,0); - int err, rval, gval, bval; - const long cimg_iobuffer = 24*1024*1024; - while ((err=std::fscanf(nfile,"%16383[^\n]",item.data()))!=EOF && (*item=='#' || !err)) std::fgetc(nfile); - if (cimg_sscanf(item," P%u",&ppm_type)!=1) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_pnm(): PNM header not found in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - } - while ((err=std::fscanf(nfile," %16383[^\n]",item.data()))!=EOF && (*item=='#' || !err)) std::fgetc(nfile); - if ((err=cimg_sscanf(item," %u %u %u %u",&W,&H,&D,&colormax))<2) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_pnm(): WIDTH and HEIGHT fields undefined in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - } - if (ppm_type!=1 && ppm_type!=4) { - if (err==2 || (err==3 && (ppm_type==5 || ppm_type==7 || ppm_type==8 || ppm_type==9))) { - while ((err=std::fscanf(nfile," %16383[^\n]",item.data()))!=EOF && (*item=='#' || !err)) std::fgetc(nfile); - if (cimg_sscanf(item,"%u",&colormax)!=1) - cimg::warn(_cimg_instance - "load_pnm(): COLORMAX field is undefined in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - } else { colormax = D; D = 1; } - } - std::fgetc(nfile); - - switch (ppm_type) { - case 1 : { // 2d b&w ascii. - assign(W,H,1,1); - T* ptrd = _data; - cimg_foroff(*this,off) { if (std::fscanf(nfile,"%d",&rval)>0) *(ptrd++) = (T)(rval?0:255); else break; } - } break; - case 2 : { // 2d grey ascii. - assign(W,H,1,1); - T* ptrd = _data; - cimg_foroff(*this,off) { if (std::fscanf(nfile,"%d",&rval)>0) *(ptrd++) = (T)rval; else break; } - } break; - case 3 : { // 2d color ascii. - assign(W,H,1,3); - T *ptrd = data(0,0,0,0), *ptr_g = data(0,0,0,1), *ptr_b = data(0,0,0,2); - cimg_forXY(*this,x,y) { - if (std::fscanf(nfile,"%d %d %d",&rval,&gval,&bval)==3) { - *(ptrd++) = (T)rval; *(ptr_g++) = (T)gval; *(ptr_b++) = (T)bval; - } else break; - } - } break; - case 4 : { // 2d b&w binary (support 3D PINK extension). - CImg raw; - assign(W,H,D,1); - T *ptrd = data(0,0,0,0); - unsigned int w = 0, h = 0, d = 0; - for (long to_read = (long)((W/8 + (W%8?1:0))*H*D); to_read>0; ) { - raw.assign(cimg::min(to_read,cimg_iobuffer)); - cimg::fread(raw._data,raw._width,nfile); - to_read-=raw._width; - const unsigned char *ptrs = raw._data; - unsigned char mask = 0, val = 0; - for (unsigned long off = (unsigned long)raw._width; off || mask; mask>>=1) { - if (!mask) { if (off--) val = *(ptrs++); mask = 128; } - *(ptrd++) = (T)((val&mask)?0:255); - if (++w==W) { w = 0; mask = 0; if (++h==H) { h = 0; if (++d==D) break; }} - } - } - } break; - case 5 : case 7 : { // 2d/3d grey binary (support 3D PINK extension). - if (colormax<256) { // 8 bits. - CImg raw; - assign(W,H,D,1); - T *ptrd = data(0,0,0,0); - for (long to_read = (long)size(); to_read>0; ) { - raw.assign(cimg::min(to_read,cimg_iobuffer)); - cimg::fread(raw._data,raw._width,nfile); - to_read-=raw._width; - const unsigned char *ptrs = raw._data; - for (unsigned long off = (unsigned long)raw._width; off; --off) *(ptrd++) = (T)*(ptrs++); - } - } else { // 16 bits. - CImg raw; - assign(W,H,D,1); - T *ptrd = data(0,0,0,0); - for (long to_read = (long)size(); to_read>0; ) { - raw.assign(cimg::min(to_read,cimg_iobuffer/2)); - cimg::fread(raw._data,raw._width,nfile); - if (!cimg::endianness()) cimg::invert_endianness(raw._data,raw._width); - to_read-=raw._width; - const unsigned short *ptrs = raw._data; - for (unsigned long off = (unsigned long)raw._width; off; --off) *(ptrd++) = (T)*(ptrs++); - } - } - } break; - case 6 : { // 2d color binary. - if (colormax<256) { // 8 bits. - CImg raw; - assign(W,H,1,3); - T - *ptr_r = data(0,0,0,0), - *ptr_g = data(0,0,0,1), - *ptr_b = data(0,0,0,2); - for (long to_read = (long)size(); to_read>0; ) { - raw.assign(cimg::min(to_read,cimg_iobuffer)); - cimg::fread(raw._data,raw._width,nfile); - to_read-=raw._width; - const unsigned char *ptrs = raw._data; - for (unsigned long off = (unsigned long)raw._width/3; off; --off) { - *(ptr_r++) = (T)*(ptrs++); - *(ptr_g++) = (T)*(ptrs++); - *(ptr_b++) = (T)*(ptrs++); - } - } - } else { // 16 bits. - CImg raw; - assign(W,H,1,3); - T - *ptr_r = data(0,0,0,0), - *ptr_g = data(0,0,0,1), - *ptr_b = data(0,0,0,2); - for (long to_read = (int)size(); to_read>0; ) { - raw.assign(cimg::min(to_read,cimg_iobuffer/2)); - cimg::fread(raw._data,raw._width,nfile); - if (!cimg::endianness()) cimg::invert_endianness(raw._data,raw._width); - to_read-=raw._width; - const unsigned short *ptrs = raw._data; - for (unsigned long off = (unsigned long)raw._width/3; off; --off) { - *(ptr_r++) = (T)*(ptrs++); - *(ptr_g++) = (T)*(ptrs++); - *(ptr_b++) = (T)*(ptrs++); - } - } - } - } break; - case 8 : { // 2d/3d grey binary with int32 integers (PINK extension). - CImg raw; - assign(W,H,D,1); - T *ptrd = data(0,0,0,0); - for (long to_read = (long)size(); to_read>0; ) { - raw.assign(cimg::min(to_read,cimg_iobuffer)); - cimg::fread(raw._data,raw._width,nfile); - to_read-=raw._width; - const int *ptrs = raw._data; - for (unsigned long off = (unsigned long)raw._width; off; --off) *(ptrd++) = (T)*(ptrs++); - } - } break; - case 9 : { // 2d/3d grey binary with float values (PINK extension). - CImg raw; - assign(W,H,D,1); - T *ptrd = data(0,0,0,0); - for (long to_read = (long)size(); to_read>0; ) { - raw.assign(cimg::min(to_read,cimg_iobuffer)); - cimg::fread(raw._data,raw._width,nfile); - to_read-=raw._width; - const float *ptrs = raw._data; - for (unsigned long off = (unsigned long)raw._width; off; --off) *(ptrd++) = (T)*(ptrs++); - } - } break; - default : - assign(); - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_pnm(): PNM type 'P%d' found, but type is not supported.", - cimg_instance, - filename?filename:"(FILE*)",ppm_type); - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Load image from a PFM file. - /** - \param filename Filename, as a C-string. - **/ - CImg& load_pfm(const char *const filename) { - return _load_pfm(0,filename); - } - - //! Load image from a PFM file \newinstance. - static CImg get_load_pfm(const char *const filename) { - return CImg().load_pfm(filename); - } - - //! Load image from a PFM file \overloading. - CImg& load_pfm(std::FILE *const file) { - return _load_pfm(file,0); - } - - //! Load image from a PFM file \newinstance. - static CImg get_load_pfm(std::FILE *const file) { - return CImg().load_pfm(file); - } - - CImg& _load_pfm(std::FILE *const file, const char *const filename) { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_pfm(): Specified filename is (null).", - cimg_instance); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - char pfm_type; - CImg item(16384,1,1,1,0); - int W = 0, H = 0, err = 0; - double scale = 0; - while ((err=std::fscanf(nfile,"%16383[^\n]",item.data()))!=EOF && (*item=='#' || !err)) std::fgetc(nfile); - if (cimg_sscanf(item," P%c",&pfm_type)!=1) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_pfm(): PFM header not found in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - } - while ((err=std::fscanf(nfile," %16383[^\n]",item.data()))!=EOF && (*item=='#' || !err)) std::fgetc(nfile); - if ((err=cimg_sscanf(item," %d %d",&W,&H))<2) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_pfm(): WIDTH and HEIGHT fields are undefined in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - } - if (err==2) { - while ((err=std::fscanf(nfile," %16383[^\n]",item.data()))!=EOF && (*item=='#' || !err)) std::fgetc(nfile); - if (cimg_sscanf(item,"%lf",&scale)!=1) - cimg::warn(_cimg_instance - "load_pfm(): SCALE field is undefined in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - } - std::fgetc(nfile); - const bool is_color = (pfm_type=='F'), is_inverted = (scale>0)!=cimg::endianness(); - if (is_color) { - assign(W,H,1,3,0); - CImg buf(3*W); - T *ptr_r = data(0,0,0,0), *ptr_g = data(0,0,0,1), *ptr_b = data(0,0,0,2); - cimg_forY(*this,y) { - cimg::fread(buf._data,3*W,nfile); - if (is_inverted) cimg::invert_endianness(buf._data,3*W); - const float *ptrs = buf._data; - cimg_forX(*this,x) { - *(ptr_r++) = (T)*(ptrs++); - *(ptr_g++) = (T)*(ptrs++); - *(ptr_b++) = (T)*(ptrs++); - } - } - } else { - assign(W,H,1,1,0); - CImg buf(W); - T *ptrd = data(0,0,0,0); - cimg_forY(*this,y) { - cimg::fread(buf._data,W,nfile); - if (is_inverted) cimg::invert_endianness(buf._data,W); - const float *ptrs = buf._data; - cimg_forX(*this,x) *(ptrd++) = (T)*(ptrs++); - } - } - if (!file) cimg::fclose(nfile); - return mirror('y'); // Most of the .pfm files are flipped along the y-axis. - } - - //! Load image from a RGB file. - /** - \param filename Filename, as a C-string. - \param dimw Width of the image buffer. - \param dimh Height of the image buffer. - **/ - CImg& load_rgb(const char *const filename, const unsigned int dimw, const unsigned int dimh=1) { - return _load_rgb(0,filename,dimw,dimh); - } - - //! Load image from a RGB file \newinstance. - static CImg get_load_rgb(const char *const filename, const unsigned int dimw, const unsigned int dimh=1) { - return CImg().load_rgb(filename,dimw,dimh); - } - - //! Load image from a RGB file \overloading. - CImg& load_rgb(std::FILE *const file, const unsigned int dimw, const unsigned int dimh=1) { - return _load_rgb(file,0,dimw,dimh); - } - - //! Load image from a RGB file \newinstance. - static CImg get_load_rgb(std::FILE *const file, const unsigned int dimw, const unsigned int dimh=1) { - return CImg().load_rgb(file,dimw,dimh); - } - - CImg& _load_rgb(std::FILE *const file, const char *const filename, - const unsigned int dimw, const unsigned int dimh) { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_rgb(): Specified filename is (null).", - cimg_instance); - - if (!dimw || !dimh) return assign(); - const long cimg_iobuffer = 24*1024*1024; - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - CImg raw; - assign(dimw,dimh,1,3); - T - *ptr_r = data(0,0,0,0), - *ptr_g = data(0,0,0,1), - *ptr_b = data(0,0,0,2); - for (long to_read = (long)size(); to_read>0; ) { - raw.assign(cimg::min(to_read,cimg_iobuffer)); - cimg::fread(raw._data,raw._width,nfile); - to_read-=raw._width; - const unsigned char *ptrs = raw._data; - for (unsigned long off = raw._width/3UL; off; --off) { - *(ptr_r++) = (T)*(ptrs++); - *(ptr_g++) = (T)*(ptrs++); - *(ptr_b++) = (T)*(ptrs++); - } - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Load image from a RGBA file. - /** - \param filename Filename, as a C-string. - \param dimw Width of the image buffer. - \param dimh Height of the image buffer. - **/ - CImg& load_rgba(const char *const filename, const unsigned int dimw, const unsigned int dimh=1) { - return _load_rgba(0,filename,dimw,dimh); - } - - //! Load image from a RGBA file \newinstance. - static CImg get_load_rgba(const char *const filename, const unsigned int dimw, const unsigned int dimh=1) { - return CImg().load_rgba(filename,dimw,dimh); - } - - //! Load image from a RGBA file \overloading. - CImg& load_rgba(std::FILE *const file, const unsigned int dimw, const unsigned int dimh=1) { - return _load_rgba(file,0,dimw,dimh); - } - - //! Load image from a RGBA file \newinstance. - static CImg get_load_rgba(std::FILE *const file, const unsigned int dimw, const unsigned int dimh=1) { - return CImg().load_rgba(file,dimw,dimh); - } - - CImg& _load_rgba(std::FILE *const file, const char *const filename, - const unsigned int dimw, const unsigned int dimh) { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_rgba(): Specified filename is (null).", - cimg_instance); - - if (!dimw || !dimh) return assign(); - const long cimg_iobuffer = 24*1024*1024; - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - CImg raw; - assign(dimw,dimh,1,4); - T - *ptr_r = data(0,0,0,0), - *ptr_g = data(0,0,0,1), - *ptr_b = data(0,0,0,2), - *ptr_a = data(0,0,0,3); - for (long to_read = (long)size(); to_read>0; ) { - raw.assign(cimg::min(to_read,cimg_iobuffer)); - cimg::fread(raw._data,raw._width,nfile); - to_read-=raw._width; - const unsigned char *ptrs = raw._data; - for (unsigned long off = raw._width/4UL; off; --off) { - *(ptr_r++) = (T)*(ptrs++); - *(ptr_g++) = (T)*(ptrs++); - *(ptr_b++) = (T)*(ptrs++); - *(ptr_a++) = (T)*(ptrs++); - } - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Load image from a TIFF file. - /** - \param filename Filename, as a C-string. - \param first_frame First frame to read (for multi-pages tiff). - \param last_frame Last frame to read (for multi-pages tiff). - \param step_frame Step value of frame reading. - \note - - libtiff support is enabled by defining the precompilation - directive \c cimg_use_tif. - - When libtiff is enabled, 2D and 3D (multipage) several - channel per pixel are supported for - char,uchar,short,ushort,float and \c double pixel types. - - If \c cimg_use_tif is not defined at compile time the - function uses CImg& load_other(const char*). - **/ - CImg& load_tiff(const char *const filename, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, - float *const voxel_size=0, - CImg *const description=0) { - if (!filename) - throw CImgArgumentException(_cimg_instance - "load_tiff(): Specified filename is (null).", - cimg_instance); - - const unsigned int - nfirst_frame = first_frame1) - throw CImgArgumentException(_cimg_instance - "load_tiff(): Unable to read sub-images from file '%s' unless libtiff is enabled.", - cimg_instance, - filename); - return load_other(filename); -#else - TIFF *tif = TIFFOpen(filename,"r"); - if (tif) { - unsigned int nb_images = 0; - do ++nb_images; while (TIFFReadDirectory(tif)); - if (nfirst_frame>=nb_images || (nlast_frame!=~0U && nlast_frame>=nb_images)) - cimg::warn(_cimg_instance - "load_tiff(): File '%s' contains %u image(s) while specified frame range is [%u,%u] (step %u).", - cimg_instance, - filename,nb_images,nfirst_frame,nlast_frame,nstep_frame); - - if (nfirst_frame>=nb_images) return assign(); - if (nlast_frame>=nb_images) nlast_frame = nb_images - 1; - TIFFSetDirectory(tif,0); - CImg frame; - for (unsigned int l = nfirst_frame; l<=nlast_frame; l+=nstep_frame) { - frame._load_tiff(tif,l,voxel_size,description); - if (l==nfirst_frame) - assign(frame._width,frame._height,1 + (nlast_frame - nfirst_frame)/nstep_frame,frame._spectrum); - if (frame._width>_width || frame._height>_height || frame._spectrum>_spectrum) - resize(cimg::max(frame._width,_width), - cimg::max(frame._height,_height),-100, - cimg::max(frame._spectrum,_spectrum),0); - draw_image(0,0,(l - nfirst_frame)/nstep_frame,frame); - } - TIFFClose(tif); - } else throw CImgIOException(_cimg_instance - "load_tiff(): Failed to open file '%s'.", - cimg_instance, - filename); - return *this; -#endif - } - - //! Load image from a TIFF file \newinstance. - static CImg get_load_tiff(const char *const filename, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, - float *const voxel_size=0, - CImg *const description=0) { - return CImg().load_tiff(filename,first_frame,last_frame,step_frame,voxel_size,description); - } - - // (Original contribution by Jerome Boulanger). -#ifdef cimg_use_tiff - template - void _load_tiff_tiled_contig(TIFF *const tif, const uint16 samplesperpixel, - const uint32 nx, const uint32 ny, const uint32 tw, const uint32 th) { - t *const buf = (t*)_TIFFmalloc(TIFFTileSize(tif)); - if (buf) { - for (unsigned int row = 0; row - void _load_tiff_tiled_separate(TIFF *const tif, const uint16 samplesperpixel, - const uint32 nx, const uint32 ny, const uint32 tw, const uint32 th) { - t *const buf = (t*)_TIFFmalloc(TIFFTileSize(tif)); - if (buf) { - for (unsigned int vv = 0; vv - void _load_tiff_contig(TIFF *const tif, const uint16 samplesperpixel, const uint32 nx, const uint32 ny) { - t *const buf = (t*)_TIFFmalloc(TIFFStripSize(tif)); - if (buf) { - uint32 row, rowsperstrip = (uint32)-1; - TIFFGetField(tif,TIFFTAG_ROWSPERSTRIP,&rowsperstrip); - for (row = 0; rowny?ny - row:rowsperstrip); - tstrip_t strip = TIFFComputeStrip(tif, row, 0); - if ((TIFFReadEncodedStrip(tif,strip,buf,-1))<0) { - _TIFFfree(buf); TIFFClose(tif); - throw CImgIOException(_cimg_instance - "load_tiff(): Invalid strip in file '%s'.", - cimg_instance, - TIFFFileName(tif)); - } - const t *ptr = buf; - for (unsigned int rr = 0; rr - void _load_tiff_separate(TIFF *const tif, const uint16 samplesperpixel, const uint32 nx, const uint32 ny) { - t *buf = (t*)_TIFFmalloc(TIFFStripSize(tif)); - if (buf) { - uint32 row, rowsperstrip = (uint32)-1; - TIFFGetField(tif,TIFFTAG_ROWSPERSTRIP,&rowsperstrip); - for (unsigned int vv = 0; vvny?ny - row:rowsperstrip); - tstrip_t strip = TIFFComputeStrip(tif, row, vv); - if ((TIFFReadEncodedStrip(tif,strip,buf,-1))<0) { - _TIFFfree(buf); TIFFClose(tif); - throw CImgIOException(_cimg_instance - "load_tiff(): Invalid strip in file '%s'.", - cimg_instance, - TIFFFileName(tif)); - } - const t *ptr = buf; - for (unsigned int rr = 0;rr& _load_tiff(TIFF *const tif, const unsigned int directory, - float *const voxel_size, CImg *const description) { - if (!TIFFSetDirectory(tif,directory)) return assign(); - uint16 samplesperpixel = 1, bitspersample = 8, photo = 0; - uint16 sampleformat = 1; - uint32 nx = 1, ny = 1; - const char *const filename = TIFFFileName(tif); - const bool is_spp = (bool)TIFFGetField(tif,TIFFTAG_SAMPLESPERPIXEL,&samplesperpixel); - TIFFGetField(tif,TIFFTAG_IMAGEWIDTH,&nx); - TIFFGetField(tif,TIFFTAG_IMAGELENGTH,&ny); - TIFFGetField(tif, TIFFTAG_SAMPLEFORMAT, &sampleformat); - TIFFGetFieldDefaulted(tif,TIFFTAG_BITSPERSAMPLE,&bitspersample); - TIFFGetField(tif,TIFFTAG_PHOTOMETRIC,&photo); - if (voxel_size) { - const char *s_description = 0; - float vx = 0, vy = 0, vz = 0; - if (TIFFGetField(tif,TIFFTAG_IMAGEDESCRIPTION,&s_description) && s_description) { - const char *s_desc = std::strstr(s_description,"VX="); - if (s_desc && cimg_sscanf(s_desc,"VX=%f VY=%f VZ=%f",&vx,&vy,&vz)==3) { // CImg format. - voxel_size[0] = vx; voxel_size[1] = vy; voxel_size[2] = vz; - } - s_desc = std::strstr(s_description,"spacing="); - if (s_desc && cimg_sscanf(s_desc,"spacing=%f",&vz)==1) { // fiji format. - voxel_size[2] = vz; - } - } - TIFFGetField(tif,TIFFTAG_XRESOLUTION,voxel_size); - TIFFGetField(tif,TIFFTAG_YRESOLUTION,voxel_size + 1); - voxel_size[0] = 1.0f/voxel_size[0]; - voxel_size[1] = 1.0f/voxel_size[1]; - } - if (description) { - const char *s_description = 0; - if (TIFFGetField(tif,TIFFTAG_IMAGEDESCRIPTION,&s_description) && s_description) - CImg::string(s_description).move_to(*description); - } - const unsigned int spectrum = !is_spp || photo>=3?(photo>1?3:1):samplesperpixel; - assign(nx,ny,1,spectrum); - - if ((photo>=3 && sampleformat==1 && - (bitspersample==4 || bitspersample==8) && - (samplesperpixel==1 || samplesperpixel==3 || samplesperpixel==4)) || - (bitspersample==1 && samplesperpixel==1)) { - // Special case for unsigned color images. - uint32 *const raster = (uint32*)_TIFFmalloc(nx*ny*sizeof(uint32)); - if (!raster) { - _TIFFfree(raster); TIFFClose(tif); - throw CImgException(_cimg_instance - "load_tiff(): Failed to allocate memory (%s) for file '%s'.", - cimg_instance, - cimg::strbuffersize(nx*ny*sizeof(uint32)),filename); - } - TIFFReadRGBAImage(tif,nx,ny,raster,0); - switch (spectrum) { - case 1 : - cimg_forXY(*this,x,y) - (*this)(x,y,0) = (T)(float)TIFFGetR(raster[nx*(ny - 1 -y) + x]); - break; - case 3 : - cimg_forXY(*this,x,y) { - (*this)(x,y,0) = (T)(float)TIFFGetR(raster[nx*(ny - 1 -y) + x]); - (*this)(x,y,1) = (T)(float)TIFFGetG(raster[nx*(ny - 1 -y) + x]); - (*this)(x,y,2) = (T)(float)TIFFGetB(raster[nx*(ny - 1 -y) + x]); - } - break; - case 4 : - cimg_forXY(*this,x,y) { - (*this)(x,y,0) = (T)(float)TIFFGetR(raster[nx*(ny - 1 - y) + x]); - (*this)(x,y,1) = (T)(float)TIFFGetG(raster[nx*(ny - 1 - y) + x]); - (*this)(x,y,2) = (T)(float)TIFFGetB(raster[nx*(ny - 1 - y) + x]); - (*this)(x,y,3) = (T)(float)TIFFGetA(raster[nx*(ny - 1 - y) + x]); - } - break; - } - _TIFFfree(raster); - } else { // Other cases. - uint16 config; - TIFFGetField(tif,TIFFTAG_PLANARCONFIG,&config); - if (TIFFIsTiled(tif)) { - uint32 tw = 1, th = 1; - TIFFGetField(tif,TIFFTAG_TILEWIDTH,&tw); - TIFFGetField(tif,TIFFTAG_TILELENGTH,&th); - if (config==PLANARCONFIG_CONTIG) switch (bitspersample) { - case 8 : { - if (sampleformat==SAMPLEFORMAT_UINT) - _load_tiff_tiled_contig(tif,samplesperpixel,nx,ny,tw,th); - else _load_tiff_tiled_contig(tif,samplesperpixel,nx,ny,tw,th); - } break; - case 16 : - if (sampleformat==SAMPLEFORMAT_UINT) - _load_tiff_tiled_contig(tif,samplesperpixel,nx,ny,tw,th); - else _load_tiff_tiled_contig(tif,samplesperpixel,nx,ny,tw,th); - break; - case 32 : - if (sampleformat==SAMPLEFORMAT_UINT) - _load_tiff_tiled_contig(tif,samplesperpixel,nx,ny,tw,th); - else if (sampleformat==SAMPLEFORMAT_INT) - _load_tiff_tiled_contig(tif,samplesperpixel,nx,ny,tw,th); - else _load_tiff_tiled_contig(tif,samplesperpixel,nx,ny,tw,th); - break; - } else switch (bitspersample) { - case 8 : - if (sampleformat==SAMPLEFORMAT_UINT) - _load_tiff_tiled_separate(tif,samplesperpixel,nx,ny,tw,th); - else _load_tiff_tiled_separate(tif,samplesperpixel,nx,ny,tw,th); - break; - case 16 : - if (sampleformat==SAMPLEFORMAT_UINT) - _load_tiff_tiled_separate(tif,samplesperpixel,nx,ny,tw,th); - else _load_tiff_tiled_separate(tif,samplesperpixel,nx,ny,tw,th); - break; - case 32 : - if (sampleformat==SAMPLEFORMAT_UINT) - _load_tiff_tiled_separate(tif,samplesperpixel,nx,ny,tw,th); - else if (sampleformat==SAMPLEFORMAT_INT) - _load_tiff_tiled_separate(tif,samplesperpixel,nx,ny,tw,th); - else _load_tiff_tiled_separate(tif,samplesperpixel,nx,ny,tw,th); - break; - } - } else { - if (config==PLANARCONFIG_CONTIG) switch (bitspersample) { - case 8 : - if (sampleformat==SAMPLEFORMAT_UINT) - _load_tiff_contig(tif,samplesperpixel,nx,ny); - else _load_tiff_contig(tif,samplesperpixel,nx,ny); - break; - case 16 : - if (sampleformat==SAMPLEFORMAT_UINT) _load_tiff_contig(tif,samplesperpixel,nx,ny); - else _load_tiff_contig(tif,samplesperpixel,nx,ny); - break; - case 32 : - if (sampleformat==SAMPLEFORMAT_UINT) _load_tiff_contig(tif,samplesperpixel,nx,ny); - else if (sampleformat==SAMPLEFORMAT_INT) _load_tiff_contig(tif,samplesperpixel,nx,ny); - else _load_tiff_contig(tif,samplesperpixel,nx,ny); - break; - } else switch (bitspersample) { - case 8 : - if (sampleformat==SAMPLEFORMAT_UINT) _load_tiff_separate(tif,samplesperpixel,nx,ny); - else _load_tiff_separate(tif,samplesperpixel,nx,ny); - break; - case 16 : - if (sampleformat==SAMPLEFORMAT_UINT) _load_tiff_separate(tif,samplesperpixel,nx,ny); - else _load_tiff_separate(tif,samplesperpixel,nx,ny); - break; - case 32 : - if (sampleformat==SAMPLEFORMAT_UINT) _load_tiff_separate(tif,samplesperpixel,nx,ny); - else if (sampleformat==SAMPLEFORMAT_INT) _load_tiff_separate(tif,samplesperpixel,nx,ny); - else _load_tiff_separate(tif,samplesperpixel,nx,ny); - break; - } - } - } - return *this; - } -#endif - - //! Load image from a MINC2 file. - /** - \param filename Filename, as a C-string. - **/ - // (Original code by Haz-Edine Assemlal). - CImg& load_minc2(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimg_instance - "load_minc2(): Specified filename is (null).", - cimg_instance); -#ifndef cimg_use_minc2 - return load_other(filename); -#else - minc::minc_1_reader rdr; - rdr.open(filename); - assign(rdr.ndim(1)?rdr.ndim(1):1, - rdr.ndim(2)?rdr.ndim(2):1, - rdr.ndim(3)?rdr.ndim(3):1, - rdr.ndim(4)?rdr.ndim(4):1); - if(typeid(T)==typeid(unsigned char)) - rdr.setup_read_byte(); - else if(typeid(T)==typeid(int)) - rdr.setup_read_int(); - else if(typeid(T)==typeid(double)) - rdr.setup_read_double(); - else - rdr.setup_read_float(); - minc::load_standard_volume(rdr, this->_data); - return *this; -#endif - } - - //! Load image from a MINC2 file \newinstance. - static CImg get_load_minc2(const char *const filename) { - return CImg().load_analyze(filename); - } - - //! Load image from an ANALYZE7.5/NIFTI file. - /** - \param filename Filename, as a C-string. - \param[out] voxel_size Pointer to the three voxel sizes read from the file. - **/ - CImg& load_analyze(const char *const filename, float *const voxel_size=0) { - return _load_analyze(0,filename,voxel_size); - } - - //! Load image from an ANALYZE7.5/NIFTI file \newinstance. - static CImg get_load_analyze(const char *const filename, float *const voxel_size=0) { - return CImg().load_analyze(filename,voxel_size); - } - - //! Load image from an ANALYZE7.5/NIFTI file \overloading. - CImg& load_analyze(std::FILE *const file, float *const voxel_size=0) { - return _load_analyze(file,0,voxel_size); - } - - //! Load image from an ANALYZE7.5/NIFTI file \newinstance. - static CImg get_load_analyze(std::FILE *const file, float *const voxel_size=0) { - return CImg().load_analyze(file,voxel_size); - } - - CImg& _load_analyze(std::FILE *const file, const char *const filename, float *const voxel_size=0) { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_analyze(): Specified filename is (null).", - cimg_instance); - - std::FILE *nfile_header = 0, *nfile = 0; - if (!file) { - CImg body(1024); - const char *const ext = cimg::split_filename(filename,body); - if (!cimg::strcasecmp(ext,"hdr")) { // File is an Analyze header file. - nfile_header = cimg::fopen(filename,"rb"); - cimg_sprintf(body._data + std::strlen(body),".img"); - nfile = cimg::fopen(body,"rb"); - } else if (!cimg::strcasecmp(ext,"img")) { // File is an Analyze data file. - nfile = cimg::fopen(filename,"rb"); - cimg_sprintf(body._data + std::strlen(body),".hdr"); - nfile_header = cimg::fopen(body,"rb"); - } else nfile_header = nfile = cimg::fopen(filename,"rb"); // File is a Niftii file. - } else nfile_header = nfile = file; // File is a Niftii file. - if (!nfile || !nfile_header) - throw CImgIOException(_cimg_instance - "load_analyze(): Invalid Analyze7.5 or NIFTI header in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - - // Read header. - bool endian = false; - unsigned int header_size; - cimg::fread(&header_size,1,nfile_header); - if (!header_size) - throw CImgIOException(_cimg_instance - "load_analyze(): Invalid zero-size header in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - - if (header_size>=4096) { endian = true; cimg::invert_endianness(header_size); } - unsigned char *const header = new unsigned char[header_size]; - cimg::fread(header + 4,header_size - 4,nfile_header); - if (!file && nfile_header!=nfile) cimg::fclose(nfile_header); - if (endian) { - cimg::invert_endianness((short*)(header + 40),5); - cimg::invert_endianness((short*)(header + 70),1); - cimg::invert_endianness((short*)(header + 72),1); - cimg::invert_endianness((float*)(header + 76),4); - cimg::invert_endianness((float*)(header + 112),1); - } - unsigned short *dim = (unsigned short*)(header + 40), dimx = 1, dimy = 1, dimz = 1, dimv = 1; - if (!dim[0]) - cimg::warn(_cimg_instance - "load_analyze(): File '%s' defines an image with zero dimensions.", - cimg_instance, - filename?filename:"(FILE*)"); - - if (dim[0]>4) - cimg::warn(_cimg_instance - "load_analyze(): File '%s' defines an image with %u dimensions, reading only the 4 first.", - cimg_instance, - filename?filename:"(FILE*)",dim[0]); - - if (dim[0]>=1) dimx = dim[1]; - if (dim[0]>=2) dimy = dim[2]; - if (dim[0]>=3) dimz = dim[3]; - if (dim[0]>=4) dimv = dim[4]; - float scalefactor = *(float*)(header + 112); if (scalefactor==0) scalefactor=1; - const unsigned short datatype = *(unsigned short*)(header + 70); - if (voxel_size) { - const float *vsize = (float*)(header + 76); - voxel_size[0] = vsize[1]; voxel_size[1] = vsize[2]; voxel_size[2] = vsize[3]; - } - delete[] header; - - // Read pixel data. - assign(dimx,dimy,dimz,dimv); - switch (datatype) { - case 2 : { - unsigned char *const buffer = new unsigned char[(unsigned int)dimx*dimy*dimz*dimv]; - cimg::fread(buffer,dimx*dimy*dimz*dimv,nfile); - cimg_foroff(*this,off) _data[off] = (T)(buffer[off]*scalefactor); - delete[] buffer; - } break; - case 4 : { - short *const buffer = new short[(unsigned int)dimx*dimy*dimz*dimv]; - cimg::fread(buffer,dimx*dimy*dimz*dimv,nfile); - if (endian) cimg::invert_endianness(buffer,dimx*dimy*dimz*dimv); - cimg_foroff(*this,off) _data[off] = (T)(buffer[off]*scalefactor); - delete[] buffer; - } break; - case 8 : { - int *const buffer = new int[(unsigned int)dimx*dimy*dimz*dimv]; - cimg::fread(buffer,dimx*dimy*dimz*dimv,nfile); - if (endian) cimg::invert_endianness(buffer,dimx*dimy*dimz*dimv); - cimg_foroff(*this,off) _data[off] = (T)(buffer[off]*scalefactor); - delete[] buffer; - } break; - case 16 : { - float *const buffer = new float[(unsigned int)dimx*dimy*dimz*dimv]; - cimg::fread(buffer,dimx*dimy*dimz*dimv,nfile); - if (endian) cimg::invert_endianness(buffer,dimx*dimy*dimz*dimv); - cimg_foroff(*this,off) _data[off] = (T)(buffer[off]*scalefactor); - delete[] buffer; - } break; - case 64 : { - double *const buffer = new double[(unsigned int)dimx*dimy*dimz*dimv]; - cimg::fread(buffer,dimx*dimy*dimz*dimv,nfile); - if (endian) cimg::invert_endianness(buffer,dimx*dimy*dimz*dimv); - cimg_foroff(*this,off) _data[off] = (T)(buffer[off]*scalefactor); - delete[] buffer; - } break; - default : - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_analyze(): Unable to load datatype %d in file '%s'", - cimg_instance, - datatype,filename?filename:"(FILE*)"); - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Load image from a .cimg[z] file. - /** - \param filename Filename, as a C-string. - \param axis Appending axis, if file contains multiple images. Can be { 'x' | 'y' | 'z' | 'c' }. - \param align Appending alignment. - **/ - CImg& load_cimg(const char *const filename, const char axis='z', const float align=0) { - CImgList list; - list.load_cimg(filename); - if (list._width==1) return list[0].move_to(*this); - return assign(list.get_append(axis,align)); - } - - //! Load image from a .cimg[z] file \newinstance - static CImg get_load_cimg(const char *const filename, const char axis='z', const float align=0) { - return CImg().load_cimg(filename,axis,align); - } - - //! Load image from a .cimg[z] file \overloading. - CImg& load_cimg(std::FILE *const file, const char axis='z', const float align=0) { - CImgList list; - list.load_cimg(file); - if (list._width==1) return list[0].move_to(*this); - return assign(list.get_append(axis,align)); - } - - //! Load image from a .cimg[z] file \newinstance - static CImg get_load_cimg(std::FILE *const file, const char axis='z', const float align=0) { - return CImg().load_cimg(file,axis,align); - } - - //! Load sub-images of a .cimg file. - /** - \param filename Filename, as a C-string. - \param n0 Starting frame. - \param n1 Ending frame (~0U for max). - \param x0 X-coordinate of the starting sub-image vertex. - \param y0 Y-coordinate of the starting sub-image vertex. - \param z0 Z-coordinate of the starting sub-image vertex. - \param c0 C-coordinate of the starting sub-image vertex. - \param x1 X-coordinate of the ending sub-image vertex (~0U for max). - \param y1 Y-coordinate of the ending sub-image vertex (~0U for max). - \param z1 Z-coordinate of the ending sub-image vertex (~0U for max). - \param c1 C-coordinate of the ending sub-image vertex (~0U for max). - \param axis Appending axis, if file contains multiple images. Can be { 'x' | 'y' | 'z' | 'c' }. - \param align Appending alignment. - **/ - CImg& load_cimg(const char *const filename, - const unsigned int n0, const unsigned int n1, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0, - const unsigned int x1, const unsigned int y1, - const unsigned int z1, const unsigned int c1, - const char axis='z', const float align=0) { - CImgList list; - list.load_cimg(filename,n0,n1,x0,y0,z0,c0,x1,y1,z1,c1); - if (list._width==1) return list[0].move_to(*this); - return assign(list.get_append(axis,align)); - } - - //! Load sub-images of a .cimg file \newinstance. - static CImg get_load_cimg(const char *const filename, - const unsigned int n0, const unsigned int n1, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0, - const unsigned int x1, const unsigned int y1, - const unsigned int z1, const unsigned int c1, - const char axis='z', const float align=0) { - return CImg().load_cimg(filename,n0,n1,x0,y0,z0,c0,x1,y1,z1,c1,axis,align); - } - - //! Load sub-images of a .cimg file \overloading. - CImg& load_cimg(std::FILE *const file, - const unsigned int n0, const unsigned int n1, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0, - const unsigned int x1, const unsigned int y1, - const unsigned int z1, const unsigned int c1, - const char axis='z', const float align=0) { - CImgList list; - list.load_cimg(file,n0,n1,x0,y0,z0,c0,x1,y1,z1,c1); - if (list._width==1) return list[0].move_to(*this); - return assign(list.get_append(axis,align)); - } - - //! Load sub-images of a .cimg file \newinstance. - static CImg get_load_cimg(std::FILE *const file, - const unsigned int n0, const unsigned int n1, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0, - const unsigned int x1, const unsigned int y1, - const unsigned int z1, const unsigned int c1, - const char axis='z', const float align=0) { - return CImg().load_cimg(file,n0,n1,x0,y0,z0,c0,x1,y1,z1,c1,axis,align); - } - - //! Load image from an INRIMAGE-4 file. - /** - \param filename Filename, as a C-string. - \param[out] voxel_size Pointer to the three voxel sizes read from the file. - **/ - CImg& load_inr(const char *const filename, float *const voxel_size=0) { - return _load_inr(0,filename,voxel_size); - } - - //! Load image from an INRIMAGE-4 file \newinstance. - static CImg get_load_inr(const char *const filename, float *const voxel_size=0) { - return CImg().load_inr(filename,voxel_size); - } - - //! Load image from an INRIMAGE-4 file \overloading. - CImg& load_inr(std::FILE *const file, float *const voxel_size=0) { - return _load_inr(file,0,voxel_size); - } - - //! Load image from an INRIMAGE-4 file \newinstance. - static CImg get_load_inr(std::FILE *const file, float *voxel_size=0) { - return CImg().load_inr(file,voxel_size); - } - - static void _load_inr_header(std::FILE *file, int out[8], float *const voxel_size) { - CImg item(1024), tmp1(64), tmp2(64); - *item = *tmp1 = *tmp2 = 0; - out[0] = std::fscanf(file,"%63s",item._data); - out[0] = out[1] = out[2] = out[3] = out[5] = 1; out[4] = out[6] = out[7] = -1; - if(cimg::strncasecmp(item,"#INRIMAGE-4#{",13)!=0) - throw CImgIOException("CImg<%s>::load_inr(): INRIMAGE-4 header not found.", - pixel_type()); - - while (std::fscanf(file," %63[^\n]%*c",item._data)!=EOF && std::strncmp(item,"##}",3)) { - cimg_sscanf(item," XDIM%*[^0-9]%d",out); - cimg_sscanf(item," YDIM%*[^0-9]%d",out + 1); - cimg_sscanf(item," ZDIM%*[^0-9]%d",out + 2); - cimg_sscanf(item," VDIM%*[^0-9]%d",out + 3); - cimg_sscanf(item," PIXSIZE%*[^0-9]%d",out + 6); - if (voxel_size) { - cimg_sscanf(item," VX%*[^0-9.+-]%f",voxel_size); - cimg_sscanf(item," VY%*[^0-9.+-]%f",voxel_size + 1); - cimg_sscanf(item," VZ%*[^0-9.+-]%f",voxel_size + 2); - } - if (cimg_sscanf(item," CPU%*[ =]%s",tmp1._data)) out[7] = cimg::strncasecmp(tmp1,"sun",3)?0:1; - switch (cimg_sscanf(item," TYPE%*[ =]%s %s",tmp1._data,tmp2._data)) { - case 0 : break; - case 2 : out[5] = cimg::strncasecmp(tmp1,"unsigned",8)?1:0; std::strncpy(tmp1,tmp2,tmp1._width - 1); - case 1 : - if (!cimg::strncasecmp(tmp1,"int",3) || !cimg::strncasecmp(tmp1,"fixed",5)) out[4] = 0; - if (!cimg::strncasecmp(tmp1,"float",5) || !cimg::strncasecmp(tmp1,"double",6)) out[4] = 1; - if (!cimg::strncasecmp(tmp1,"packed",6)) out[4] = 2; - if (out[4]>=0) break; - default : - throw CImgIOException("CImg<%s>::load_inr(): Invalid pixel type '%s' defined in header.", - pixel_type(), - tmp2._data); - } - } - if(out[0]<0 || out[1]<0 || out[2]<0 || out[3]<0) - throw CImgIOException("CImg<%s>::load_inr(): Invalid dimensions (%d,%d,%d,%d) defined in header.", - pixel_type(), - out[0],out[1],out[2],out[3]); - if(out[4]<0 || out[5]<0) - throw CImgIOException("CImg<%s>::load_inr(): Incomplete pixel type defined in header.", - pixel_type()); - if(out[6]<0) - throw CImgIOException("CImg<%s>::load_inr(): Incomplete PIXSIZE field defined in header.", - pixel_type()); - if(out[7]<0) - throw CImgIOException("CImg<%s>::load_inr(): Big/Little Endian coding type undefined in header.", - pixel_type()); - } - - CImg& _load_inr(std::FILE *const file, const char *const filename, float *const voxel_size) { -#define _cimg_load_inr_case(Tf,sign,pixsize,Ts) \ - if (!loaded && fopt[6]==pixsize && fopt[4]==Tf && fopt[5]==sign) { \ - Ts *xval, *const val = new Ts[(unsigned int)fopt[0]*fopt[3]]; \ - cimg_forYZ(*this,y,z) { \ - cimg::fread(val,fopt[0]*fopt[3],nfile); \ - if (fopt[7]!=endian) cimg::invert_endianness(val,fopt[0]*fopt[3]); \ - xval = val; cimg_forX(*this,x) cimg_forC(*this,c) (*this)(x,y,z,c) = (T)*(xval++); \ - } \ - delete[] val; \ - loaded = true; \ - } - - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_inr(): Specified filename is (null).", - cimg_instance); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - int fopt[8], endian=cimg::endianness()?1:0; - bool loaded = false; - if (voxel_size) voxel_size[0] = voxel_size[1] = voxel_size[2] = 1; - _load_inr_header(nfile,fopt,voxel_size); - assign(fopt[0],fopt[1],fopt[2],fopt[3]); - _cimg_load_inr_case(0,0,8,unsigned char); - _cimg_load_inr_case(0,1,8,char); - _cimg_load_inr_case(0,0,16,unsigned short); - _cimg_load_inr_case(0,1,16,short); - _cimg_load_inr_case(0,0,32,unsigned int); - _cimg_load_inr_case(0,1,32,int); - _cimg_load_inr_case(1,0,32,float); - _cimg_load_inr_case(1,1,32,float); - _cimg_load_inr_case(1,0,64,double); - _cimg_load_inr_case(1,1,64,double); - if (!loaded) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_inr(): Unknown pixel type defined in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Load image from a EXR file. - /** - \param filename Filename, as a C-string. - **/ - CImg& load_exr(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimg_instance - "load_exr(): Specified filename is (null).", - cimg_instance); - -#ifndef cimg_use_openexr - return load_other(filename); -#else - Imf::RgbaInputFile file(filename); - Imath::Box2i dw = file.dataWindow(); - const int - inwidth = dw.max.x - dw.min.x + 1, - inheight = dw.max.y - dw.min.y + 1; - Imf::Array2D pixels; - pixels.resizeErase(inheight,inwidth); - file.setFrameBuffer(&pixels[0][0] - dw.min.x - dw.min.y*inwidth, 1, inwidth); - file.readPixels(dw.min.y, dw.max.y); - assign(inwidth,inheight,1,4); - T *ptr_r = data(0,0,0,0), *ptr_g = data(0,0,0,1), *ptr_b = data(0,0,0,2), *ptr_a = data(0,0,0,3); - cimg_forXY(*this,x,y) { - *(ptr_r++) = (T)pixels[y][x].r; - *(ptr_g++) = (T)pixels[y][x].g; - *(ptr_b++) = (T)pixels[y][x].b; - *(ptr_a++) = (T)pixels[y][x].a; - } - return *this; -#endif - } - - //! Load image from a EXR file \newinstance. - static CImg get_load_exr(const char *const filename) { - return CImg().load_exr(filename); - } - - //! Load image from a PANDORE-5 file. - /** - \param filename Filename, as a C-string. - **/ - CImg& load_pandore(const char *const filename) { - return _load_pandore(0,filename); - } - - //! Load image from a PANDORE-5 file \newinstance. - static CImg get_load_pandore(const char *const filename) { - return CImg().load_pandore(filename); - } - - //! Load image from a PANDORE-5 file \overloading. - CImg& load_pandore(std::FILE *const file) { - return _load_pandore(file,0); - } - - //! Load image from a PANDORE-5 file \newinstance. - static CImg get_load_pandore(std::FILE *const file) { - return CImg().load_pandore(file); - } - - CImg& _load_pandore(std::FILE *const file, const char *const filename) { -#define __cimg_load_pandore_case(nbdim,nwidth,nheight,ndepth,ndim,stype) \ - cimg::fread(dims,nbdim,nfile); \ - if (endian) cimg::invert_endianness(dims,nbdim); \ - assign(nwidth,nheight,ndepth,ndim); \ - const unsigned int siz = size(); \ - stype *buffer = new stype[siz]; \ - cimg::fread(buffer,siz,nfile); \ - if (endian) cimg::invert_endianness(buffer,siz); \ - T *ptrd = _data; \ - cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); \ - buffer-=siz; \ - delete[] buffer - -#define _cimg_load_pandore_case(nbdim,nwidth,nheight,ndepth,dim,stype1,stype2,stype3,ltype) { \ - if (sizeof(stype1)==ltype) { __cimg_load_pandore_case(nbdim,nwidth,nheight,ndepth,dim,stype1); } \ - else if (sizeof(stype2)==ltype) { __cimg_load_pandore_case(nbdim,nwidth,nheight,ndepth,dim,stype2); } \ - else if (sizeof(stype3)==ltype) { __cimg_load_pandore_case(nbdim,nwidth,nheight,ndepth,dim,stype3); } \ - else throw CImgIOException(_cimg_instance \ - "load_pandore(): Unknown pixel datatype in file '%s'.", \ - cimg_instance, \ - filename?filename:"(FILE*)"); } - - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_pandore(): Specified filename is (null).", - cimg_instance); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - CImg header(32); - cimg::fread(header._data,12,nfile); - if (cimg::strncasecmp("PANDORE",header,7)) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_pandore(): PANDORE header not found in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - } - unsigned int imageid, dims[8] = { 0 }; - int ptbuf[4] = { 0 }; - cimg::fread(&imageid,1,nfile); - const bool endian = imageid>255; - if (endian) cimg::invert_endianness(imageid); - cimg::fread(header._data,20,nfile); - - switch (imageid) { - case 2 : _cimg_load_pandore_case(2,dims[1],1,1,1,unsigned char,unsigned char,unsigned char,1); break; - case 3 : _cimg_load_pandore_case(2,dims[1],1,1,1,long,int,short,4); break; - case 4 : _cimg_load_pandore_case(2,dims[1],1,1,1,double,float,float,4); break; - case 5 : _cimg_load_pandore_case(3,dims[2],dims[1],1,1,unsigned char,unsigned char,unsigned char,1); break; - case 6 : _cimg_load_pandore_case(3,dims[2],dims[1],1,1,long,int,short,4); break; - case 7 : _cimg_load_pandore_case(3,dims[2],dims[1],1,1,double,float,float,4); break; - case 8 : _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],1,unsigned char,unsigned char,unsigned char,1); break; - case 9 : _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],1,long,int,short,4); break; - case 10 : _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],1,double,float,float,4); break; - case 11 : { // Region 1d - cimg::fread(dims,3,nfile); - if (endian) cimg::invert_endianness(dims,3); - assign(dims[1],1,1,1); - const unsigned siz = size(); - if (dims[2]<256) { - unsigned char *buffer = new unsigned char[siz]; - cimg::fread(buffer,siz,nfile); - T *ptrd = _data; - cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); - buffer-=siz; - delete[] buffer; - } else { - if (dims[2]<65536) { - unsigned short *buffer = new unsigned short[siz]; - cimg::fread(buffer,siz,nfile); - if (endian) cimg::invert_endianness(buffer,siz); - T *ptrd = _data; - cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); - buffer-=siz; - delete[] buffer; - } else { - unsigned int *buffer = new unsigned int[siz]; - cimg::fread(buffer,siz,nfile); - if (endian) cimg::invert_endianness(buffer,siz); - T *ptrd = _data; - cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); - buffer-=siz; - delete[] buffer; - } - } - } - break; - case 12 : { // Region 2d - cimg::fread(dims,4,nfile); - if (endian) cimg::invert_endianness(dims,4); - assign(dims[2],dims[1],1,1); - const unsigned int siz = size(); - if (dims[3]<256) { - unsigned char *buffer = new unsigned char[siz]; - cimg::fread(buffer,siz,nfile); - T *ptrd = _data; - cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); - buffer-=siz; - delete[] buffer; - } else { - if (dims[3]<65536) { - unsigned short *buffer = new unsigned short[siz]; - cimg::fread(buffer,siz,nfile); - if (endian) cimg::invert_endianness(buffer,siz); - T *ptrd = _data; - cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); - buffer-=siz; - delete[] buffer; - } else { - unsigned long *buffer = new unsigned long[siz]; - cimg::fread(buffer,siz,nfile); - if (endian) cimg::invert_endianness(buffer,siz); - T *ptrd = _data; - cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); - buffer-=siz; - delete[] buffer; - } - } - } - break; - case 13 : { // Region 3d - cimg::fread(dims,5,nfile); - if (endian) cimg::invert_endianness(dims,5); - assign(dims[3],dims[2],dims[1],1); - const unsigned int siz = size(); - if (dims[4]<256) { - unsigned char *buffer = new unsigned char[siz]; - cimg::fread(buffer,siz,nfile); - T *ptrd = _data; - cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); - buffer-=siz; - delete[] buffer; - } else { - if (dims[4]<65536) { - unsigned short *buffer = new unsigned short[siz]; - cimg::fread(buffer,siz,nfile); - if (endian) cimg::invert_endianness(buffer,siz); - T *ptrd = _data; - cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); - buffer-=siz; - delete[] buffer; - } else { - unsigned int *buffer = new unsigned int[siz]; - cimg::fread(buffer,siz,nfile); - if (endian) cimg::invert_endianness(buffer,siz); - T *ptrd = _data; - cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); - buffer-=siz; - delete[] buffer; - } - } - } - break; - case 16 : _cimg_load_pandore_case(4,dims[2],dims[1],1,3,unsigned char,unsigned char,unsigned char,1); break; - case 17 : _cimg_load_pandore_case(4,dims[2],dims[1],1,3,long,int,short,4); break; - case 18 : _cimg_load_pandore_case(4,dims[2],dims[1],1,3,double,float,float,4); break; - case 19 : _cimg_load_pandore_case(5,dims[3],dims[2],dims[1],3,unsigned char,unsigned char,unsigned char,1); break; - case 20 : _cimg_load_pandore_case(5,dims[3],dims[2],dims[1],3,long,int,short,4); break; - case 21 : _cimg_load_pandore_case(5,dims[3],dims[2],dims[1],3,double,float,float,4); break; - case 22 : _cimg_load_pandore_case(2,dims[1],1,1,dims[0],unsigned char,unsigned char,unsigned char,1); break; - case 23 : _cimg_load_pandore_case(2,dims[1],1,1,dims[0],long,int,short,4); - case 24 : _cimg_load_pandore_case(2,dims[1],1,1,dims[0],unsigned long,unsigned int,unsigned short,4); break; - case 25 : _cimg_load_pandore_case(2,dims[1],1,1,dims[0],double,float,float,4); break; - case 26 : _cimg_load_pandore_case(3,dims[2],dims[1],1,dims[0],unsigned char,unsigned char,unsigned char,1); break; - case 27 : _cimg_load_pandore_case(3,dims[2],dims[1],1,dims[0],long,int,short,4); break; - case 28 : _cimg_load_pandore_case(3,dims[2],dims[1],1,dims[0],unsigned long,unsigned int,unsigned short,4); break; - case 29 : _cimg_load_pandore_case(3,dims[2],dims[1],1,dims[0],double,float,float,4); break; - case 30 : _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],dims[0],unsigned char,unsigned char,unsigned char,1); - break; - case 31 : _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],dims[0],long,int,short,4); break; - case 32 : _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],dims[0],unsigned long,unsigned int,unsigned short,4); - break; - case 33 : _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],dims[0],double,float,float,4); break; - case 34 : { // Points 1d - cimg::fread(ptbuf,1,nfile); - if (endian) cimg::invert_endianness(ptbuf,1); - assign(1); (*this)(0) = (T)ptbuf[0]; - } break; - case 35 : { // Points 2d - cimg::fread(ptbuf,2,nfile); - if (endian) cimg::invert_endianness(ptbuf,2); - assign(2); (*this)(0) = (T)ptbuf[1]; (*this)(1) = (T)ptbuf[0]; - } break; - case 36 : { // Points 3d - cimg::fread(ptbuf,3,nfile); - if (endian) cimg::invert_endianness(ptbuf,3); - assign(3); (*this)(0) = (T)ptbuf[2]; (*this)(1) = (T)ptbuf[1]; (*this)(2) = (T)ptbuf[0]; - } break; - default : - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_pandore(): Unable to load data with ID_type %u in file '%s'.", - cimg_instance, - imageid,filename?filename:"(FILE*)"); - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Load image from a PAR-REC (Philips) file. - /** - \param filename Filename, as a C-string. - \param axis Appending axis, if file contains multiple images. Can be { 'x' | 'y' | 'z' | 'c' }. - \param align Appending alignment. - **/ - CImg& load_parrec(const char *const filename, const char axis='c', const float align=0) { - CImgList list; - list.load_parrec(filename); - if (list._width==1) return list[0].move_to(*this); - return assign(list.get_append(axis,align)); - } - - //! Load image from a PAR-REC (Philips) file \newinstance. - static CImg get_load_parrec(const char *const filename, const char axis='c', const float align=0) { - return CImg().load_parrec(filename,axis,align); - } - - //! Load image from a raw binary file. - /** - \param filename Filename, as a C-string. - \param size_x Width of the image buffer. - \param size_y Height of the image buffer. - \param size_z Depth of the image buffer. - \param size_c Spectrum of the image buffer. - \param is_multiplexed Tells if the image values are multiplexed along the C-axis. - \param invert_endianness Tells if the endianness of the image buffer must be inverted. - \param offset Starting offset of the read in the specified file. - **/ - CImg& load_raw(const char *const filename, - const unsigned int size_x=0, const unsigned int size_y=1, - const unsigned int size_z=1, const unsigned int size_c=1, - const bool is_multiplexed=false, const bool invert_endianness=false, - const unsigned long offset=0) { - return _load_raw(0,filename,size_x,size_y,size_z,size_c,is_multiplexed,invert_endianness,offset); - } - - //! Load image from a raw binary file \newinstance. - static CImg get_load_raw(const char *const filename, - const unsigned int size_x=0, const unsigned int size_y=1, - const unsigned int size_z=1, const unsigned int size_c=1, - const bool is_multiplexed=false, const bool invert_endianness=false, - const unsigned long offset=0) { - return CImg().load_raw(filename,size_x,size_y,size_z,size_c,is_multiplexed,invert_endianness,offset); - } - - //! Load image from a raw binary file \overloading. - CImg& load_raw(std::FILE *const file, - const unsigned int size_x=0, const unsigned int size_y=1, - const unsigned int size_z=1, const unsigned int size_c=1, - const bool is_multiplexed=false, const bool invert_endianness=false, - const unsigned long offset=0) { - return _load_raw(file,0,size_x,size_y,size_z,size_c,is_multiplexed,invert_endianness,offset); - } - - //! Load image from a raw binary file \newinstance. - static CImg get_load_raw(std::FILE *const file, - const unsigned int size_x=0, const unsigned int size_y=1, - const unsigned int size_z=1, const unsigned int size_c=1, - const bool is_multiplexed=false, const bool invert_endianness=false, - const unsigned long offset=0) { - return CImg().load_raw(file,size_x,size_y,size_z,size_c,is_multiplexed,invert_endianness,offset); - } - - CImg& _load_raw(std::FILE *const file, const char *const filename, - const unsigned int size_x, const unsigned int size_y, - const unsigned int size_z, const unsigned int size_c, - const bool is_multiplexed, const bool invert_endianness, - const unsigned long offset) { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_raw(): Specified filename is (null).", - cimg_instance); - if (cimg::is_directory(filename)) - throw CImgArgumentException(_cimg_instance - "load_raw(): Specified filename '%s' is a directory.", - cimg_instance,filename); - - unsigned int siz = size_x*size_y*size_z*size_c, - _size_x = size_x, _size_y = size_y, _size_z = size_z, _size_c = size_c; - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - if (!siz) { // Retrieve file size. - const long fpos = std::ftell(nfile); - if (fpos<0) throw CImgArgumentException(_cimg_instance - "load_raw(): Cannot determine size of input file '%s'.", - cimg_instance,filename?filename:"(FILE*)"); - std::fseek(nfile,0,SEEK_END); - siz = _size_y = (unsigned int)std::ftell(nfile)/sizeof(T); - _size_x = _size_z = _size_c = 1; - std::fseek(nfile,fpos,SEEK_SET); - } - std::fseek(nfile,(long)offset,SEEK_SET); - assign(_size_x,_size_y,_size_z,_size_c,0); - if (siz && (!is_multiplexed || size_c==1)) { - cimg::fread(_data,siz,nfile); - if (invert_endianness) cimg::invert_endianness(_data,siz); - } else if (siz) { - CImg buf(1,1,1,_size_c); - cimg_forXYZ(*this,x,y,z) { - cimg::fread(buf._data,_size_c,nfile); - if (invert_endianness) cimg::invert_endianness(buf._data,_size_c); - set_vector_at(buf,x,y,z); - } - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Load image sequence from a YUV file. - /** - \param filename Filename, as a C-string. - \param size_x Width of the frames. - \param size_y Height of the frames. - \param first_frame Index of the first frame to read. - \param last_frame Index of the last frame to read. - \param step_frame Step value for frame reading. - \param yuv2rgb Tells if the YUV to RGB transform must be applied. - \param axis Appending axis, if file contains multiple images. Can be { 'x' | 'y' | 'z' | 'c' }. - **/ - CImg& load_yuv(const char *const filename, - const unsigned int size_x, const unsigned int size_y=1, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, const bool yuv2rgb=true, const char axis='z') { - return get_load_yuv(filename,size_x,size_y,first_frame,last_frame,step_frame,yuv2rgb,axis).move_to(*this); - } - - //! Load image sequence from a YUV file \newinstance. - static CImg get_load_yuv(const char *const filename, - const unsigned int size_x, const unsigned int size_y=1, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, const bool yuv2rgb=true, const char axis='z') { - return CImgList().load_yuv(filename,size_x,size_y,first_frame,last_frame,step_frame,yuv2rgb).get_append(axis); - } - - //! Load image sequence from a YUV file \overloading. - CImg& load_yuv(std::FILE *const file, - const unsigned int size_x, const unsigned int size_y=1, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, const bool yuv2rgb=true, const char axis='z') { - return get_load_yuv(file,size_x,size_y,first_frame,last_frame,step_frame,yuv2rgb,axis).move_to(*this); - } - - //! Load image sequence from a YUV file \newinstance. - static CImg get_load_yuv(std::FILE *const file, - const unsigned int size_x, const unsigned int size_y=1, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, const bool yuv2rgb=true, const char axis='z') { - return CImgList().load_yuv(file,size_x,size_y,first_frame,last_frame,step_frame,yuv2rgb).get_append(axis); - } - - //! Load 3d object from a .OFF file. - /** - \param[out] primitives Primitives data of the 3d object. - \param[out] colors Colors data of the 3d object. - \param filename Filename, as a C-string. - **/ - template - CImg& load_off(CImgList& primitives, CImgList& colors, const char *const filename) { - return _load_off(primitives,colors,0,filename); - } - - //! Load 3d object from a .OFF file \newinstance. - template - static CImg get_load_off(CImgList& primitives, CImgList& colors, const char *const filename) { - return CImg().load_off(primitives,colors,filename); - } - - //! Load 3d object from a .OFF file \overloading. - template - CImg& load_off(CImgList& primitives, CImgList& colors, std::FILE *const file) { - return _load_off(primitives,colors,file,0); - } - - //! Load 3d object from a .OFF file \newinstance. - template - static CImg get_load_off(CImgList& primitives, CImgList& colors, std::FILE *const file) { - return CImg().load_off(primitives,colors,file); - } - - template - CImg& _load_off(CImgList& primitives, CImgList& colors, - std::FILE *const file, const char *const filename) { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "load_off(): Specified filename is (null).", - cimg_instance); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"r"); - unsigned int nb_points = 0, nb_primitives = 0, nb_read = 0; - CImg line(256); *line = 0; - int err; - - // Skip comments, and read magic string OFF - do { err = std::fscanf(nfile,"%255[^\n] ",line._data); } while (!err || (err==1 && *line=='#')); - if (cimg::strncasecmp(line,"OFF",3) && cimg::strncasecmp(line,"COFF",4)) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_off(): OFF header not found in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - } - do { err = std::fscanf(nfile,"%255[^\n] ",line._data); } while (!err || (err==1 && *line=='#')); - if ((err = cimg_sscanf(line,"%u%u%*[^\n] ",&nb_points,&nb_primitives))!=2) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_off(): Invalid number of vertices or primitives specified in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - } - - // Read points data - assign(nb_points,3); - float X = 0, Y = 0, Z = 0; - cimg_forX(*this,l) { - do { err = std::fscanf(nfile,"%255[^\n] ",line._data); } while (!err || (err==1 && *line=='#')); - if ((err = cimg_sscanf(line,"%f%f%f%*[^\n] ",&X,&Y,&Z))!=3) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "load_off(): Failed to read vertex %u/%u in file '%s'.", - cimg_instance, - l + 1,nb_points,filename?filename:"(FILE*)"); - } - (*this)(l,0) = (T)X; (*this)(l,1) = (T)Y; (*this)(l,2) = (T)Z; - } - - // Read primitive data - primitives.assign(); - colors.assign(); - bool stop_flag = false; - while (!stop_flag) { - float c0 = 0.7f, c1 = 0.7f, c2 = 0.7f; - unsigned int prim = 0, i0 = 0, i1 = 0, i2 = 0, i3 = 0, i4 = 0, i5 = 0, i6 = 0, i7 = 0; - *line = 0; - if ((err = std::fscanf(nfile,"%u",&prim))!=1) stop_flag = true; - else { - ++nb_read; - switch (prim) { - case 1 : { - if ((err = std::fscanf(nfile,"%u%255[^\n] ",&i0,line._data))<2) { - cimg::warn(_cimg_instance - "load_off(): Failed to read primitive %u/%u from file '%s'.", - cimg_instance, - nb_read,nb_primitives,filename?filename:"(FILE*)"); - - err = std::fscanf(nfile,"%*[^\n] "); - } else { - err = cimg_sscanf(line,"%f%f%f",&c0,&c1,&c2); - CImg::vector(i0).move_to(primitives); - CImg::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255)).move_to(colors); - } - } break; - case 2 : { - if ((err = std::fscanf(nfile,"%u%u%255[^\n] ",&i0,&i1,line._data))<2) { - cimg::warn(_cimg_instance - "load_off(): Failed to read primitive %u/%u from file '%s'.", - cimg_instance, - nb_read,nb_primitives,filename?filename:"(FILE*)"); - - err = std::fscanf(nfile,"%*[^\n] "); - } else { - err = cimg_sscanf(line,"%f%f%f",&c0,&c1,&c2); - CImg::vector(i0,i1).move_to(primitives); - CImg::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255)).move_to(colors); - } - } break; - case 3 : { - if ((err = std::fscanf(nfile,"%u%u%u%255[^\n] ",&i0,&i1,&i2,line._data))<3) { - cimg::warn(_cimg_instance - "load_off(): Failed to read primitive %u/%u from file '%s'.", - cimg_instance, - nb_read,nb_primitives,filename?filename:"(FILE*)"); - - err = std::fscanf(nfile,"%*[^\n] "); - } else { - err = cimg_sscanf(line,"%f%f%f",&c0,&c1,&c2); - CImg::vector(i0,i2,i1).move_to(primitives); - CImg::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255)).move_to(colors); - } - } break; - case 4 : { - if ((err = std::fscanf(nfile,"%u%u%u%u%255[^\n] ",&i0,&i1,&i2,&i3,line._data))<4) { - cimg::warn(_cimg_instance - "load_off(): Failed to read primitive %u/%u from file '%s'.", - cimg_instance, - nb_read,nb_primitives,filename?filename:"(FILE*)"); - - err = std::fscanf(nfile,"%*[^\n] "); - } else { - err = cimg_sscanf(line,"%f%f%f",&c0,&c1,&c2); - CImg::vector(i0,i3,i2,i1).move_to(primitives); - CImg::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255)).move_to(colors); - } - } break; - case 5 : { - if ((err = std::fscanf(nfile,"%u%u%u%u%u%255[^\n] ",&i0,&i1,&i2,&i3,&i4,line._data))<5) { - cimg::warn(_cimg_instance - "load_off(): Failed to read primitive %u/%u from file '%s'.", - cimg_instance, - nb_read,nb_primitives,filename?filename:"(FILE*)"); - - err = std::fscanf(nfile,"%*[^\n] "); - } else { - err = cimg_sscanf(line,"%f%f%f",&c0,&c1,&c2); - CImg::vector(i0,i3,i2,i1).move_to(primitives); - CImg::vector(i0,i4,i3).move_to(primitives); - colors.insert(2,CImg::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255))); - ++nb_primitives; - } - } break; - case 6 : { - if ((err = std::fscanf(nfile,"%u%u%u%u%u%u%255[^\n] ",&i0,&i1,&i2,&i3,&i4,&i5,line._data))<6) { - cimg::warn(_cimg_instance - "load_off(): Failed to read primitive %u/%u from file '%s'.", - cimg_instance, - nb_read,nb_primitives,filename?filename:"(FILE*)"); - - err = std::fscanf(nfile,"%*[^\n] "); - } else { - err = cimg_sscanf(line,"%f%f%f",&c0,&c1,&c2); - CImg::vector(i0,i3,i2,i1).move_to(primitives); - CImg::vector(i0,i5,i4,i3).move_to(primitives); - colors.insert(2,CImg::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255))); - ++nb_primitives; - } - } break; - case 7 : { - if ((err = std::fscanf(nfile,"%u%u%u%u%u%u%u%255[^\n] ",&i0,&i1,&i2,&i3,&i4,&i5,&i6,line._data))<7) { - cimg::warn(_cimg_instance - "load_off(): Failed to read primitive %u/%u from file '%s'.", - cimg_instance, - nb_read,nb_primitives,filename?filename:"(FILE*)"); - - err = std::fscanf(nfile,"%*[^\n] "); - } else { - err = cimg_sscanf(line,"%f%f%f",&c0,&c1,&c2); - CImg::vector(i0,i4,i3,i1).move_to(primitives); - CImg::vector(i0,i6,i5,i4).move_to(primitives); - CImg::vector(i3,i2,i1).move_to(primitives); - colors.insert(3,CImg::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255))); - ++(++nb_primitives); - } - } break; - case 8 : { - if ((err = std::fscanf(nfile,"%u%u%u%u%u%u%u%u%255[^\n] ",&i0,&i1,&i2,&i3,&i4,&i5,&i6,&i7,line._data))<7) { - cimg::warn(_cimg_instance - "load_off(): Failed to read primitive %u/%u from file '%s'.", - cimg_instance, - nb_read,nb_primitives,filename?filename:"(FILE*)"); - - err = std::fscanf(nfile,"%*[^\n] "); - } else { - err = cimg_sscanf(line,"%f%f%f",&c0,&c1,&c2); - CImg::vector(i0,i3,i2,i1).move_to(primitives); - CImg::vector(i0,i5,i4,i3).move_to(primitives); - CImg::vector(i0,i7,i6,i5).move_to(primitives); - colors.insert(3,CImg::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255))); - ++(++nb_primitives); - } - } break; - default : - cimg::warn(_cimg_instance - "load_off(): Failed to read primitive %u/%u (%u vertices) from file '%s'.", - cimg_instance, - nb_read,nb_primitives,prim,filename?filename:"(FILE*)"); - - err = std::fscanf(nfile,"%*[^\n] "); - } - } - } - if (!file) cimg::fclose(nfile); - if (primitives._width!=nb_primitives) - cimg::warn(_cimg_instance - "load_off(): Only %u/%u primitives read from file '%s'.", - cimg_instance, - primitives._width,nb_primitives,filename?filename:"(FILE*)"); - return *this; - } - - //! Load image sequence from a video file, using OpenCV library. - /** - \param filename Filename, as a C-string. - \param first_frame Index of the first frame to read. - \param last_frame Index of the last frame to read. - \param step_frame Step value for frame reading. - **/ - CImg& load_video(const char *const filename, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, - const char axis='z', const float align=0) { - return get_load_video(filename,first_frame,last_frame,step_frame,axis,align).move_to(*this); - } - - //! Load image sequence from a video file, using OpenCV library \newinstance. - static CImg get_load_video(const char *const filename, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, - const char axis='z', const float align=0) { - return CImgList().load_video(filename,first_frame,last_frame,step_frame).get_append(axis,align); - } - - //! Load image sequence using FFMPEG's external tool 'ffmpeg'. - /** - \param filename Filename, as a C-string. - \param axis Appending axis, if file contains multiple images. Can be { 'x' | 'y' | 'z' | 'c' }. - \param align Appending alignment. - **/ - CImg& load_ffmpeg_external(const char *const filename, const char axis='z', const float align=0) { - return get_load_ffmpeg_external(filename,axis,align).move_to(*this); - } - - //! Load image sequence using FFMPEG's external tool 'ffmpeg' \newinstance. - static CImg get_load_ffmpeg_external(const char *const filename, const char axis='z', const float align=0) { - return CImgList().load_ffmpeg_external(filename).get_append(axis,align); - } - - //! Load gif file, using Imagemagick or GraphicsMagicks's external tools. - /** - \param filename Filename, as a C-string. - \param use_graphicsmagick Tells if GraphicsMagick's tool 'gm' is used instead of ImageMagick's tool 'convert'. - \param axis Appending axis, if file contains multiple images. Can be { 'x' | 'y' | 'z' | 'c' }. - \param align Appending alignment. - **/ - CImg& load_gif_external(const char *const filename, - const char axis='z', const float align=0) { - return get_load_gif_external(filename,axis,align).move_to(*this); - } - - //! Load gif file, using ImageMagick or GraphicsMagick's external tool 'convert' \newinstance. - static CImg get_load_gif_external(const char *const filename, - const char axis='z', const float align=0) { - return CImgList().load_gif_external(filename).get_append(axis,align); - } - - //! Load image using GraphicsMagick's external tool 'gm'. - /** - \param filename Filename, as a C-string. - **/ - CImg& load_graphicsmagick_external(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimg_instance - "load_graphicsmagick_external(): Specified filename is (null).", - cimg_instance); - std::fclose(cimg::fopen(filename,"rb")); // Check if file exists. - CImg command(1024), filename_tmp(256); - std::FILE *file = 0; - const CImg s_filename = CImg::string(filename)._system_strescape(); -#if cimg_OS==1 - cimg_snprintf(command,command._width,"%s convert \"%s\" pnm:-", - cimg::graphicsmagick_path(),s_filename.data()); - file = popen(command,"r"); - if (file) { - const unsigned int omode = cimg::exception_mode(); - cimg::exception_mode(0); - try { load_pnm(file); } catch (...) { - pclose(file); - cimg::exception_mode(omode); - throw CImgIOException(_cimg_instance - "load_graphicsmagick_external(): Failed to load file '%s' with external command 'gm'.", - cimg_instance, - filename); - } - pclose(file); - return *this; - } -#endif - do { - cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.pnm", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - if ((file=std::fopen(filename_tmp,"rb"))!=0) cimg::fclose(file); - } while (file); - cimg_snprintf(command,command._width,"%s convert \"%s\" \"%s\"", - cimg::graphicsmagick_path(),s_filename.data(), - CImg::string(filename_tmp)._system_strescape().data()); - cimg::system(command,cimg::graphicsmagick_path()); - if (!(file = std::fopen(filename_tmp,"rb"))) { - cimg::fclose(cimg::fopen(filename,"r")); - throw CImgIOException(_cimg_instance - "load_graphicsmagick_external(): Failed to load file '%s' with external command 'gm'.", - cimg_instance, - filename); - - } else cimg::fclose(file); - load_pnm(filename_tmp); - std::remove(filename_tmp); - return *this; - } - - //! Load image using GraphicsMagick's external tool 'gm' \newinstance. - static CImg get_load_graphicsmagick_external(const char *const filename) { - return CImg().load_graphicsmagick_external(filename); - } - - //! Load gzipped image file, using external tool 'gunzip'. - /** - \param filename Filename, as a C-string. - **/ - CImg& load_gzip_external(const char *const filename) { - if (!filename) - throw CImgIOException(_cimg_instance - "load_gzip_external(): Specified filename is (null).", - cimg_instance); - std::fclose(cimg::fopen(filename,"rb")); // Check if file exists. - CImg command(1024), filename_tmp(256), body(256); - const char - *const ext = cimg::split_filename(filename,body), - *const ext2 = cimg::split_filename(body,0); - - std::FILE *file = 0; - do { - if (!cimg::strcasecmp(ext,"gz")) { - if (*ext2) cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand(),ext2); - else cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - } else { - if (*ext) cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand(),ext); - else cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - } - if ((file=std::fopen(filename_tmp,"rb"))!=0) cimg::fclose(file); - } while (file); - cimg_snprintf(command,command._width,"%s -c \"%s\" > \"%s\"", - cimg::gunzip_path(), - CImg::string(filename)._system_strescape().data(), - CImg::string(filename_tmp)._system_strescape().data()); - cimg::system(command); - if (!(file = std::fopen(filename_tmp,"rb"))) { - cimg::fclose(cimg::fopen(filename,"r")); - throw CImgIOException(_cimg_instance - "load_gzip_external(): Failed to load file '%s' with external command 'gunzip'.", - cimg_instance, - filename); - - } else cimg::fclose(file); - load(filename_tmp); - std::remove(filename_tmp); - return *this; - } - - //! Load gzipped image file, using external tool 'gunzip' \newinstance. - static CImg get_load_gzip_external(const char *const filename) { - return CImg().load_gzip_external(filename); - } - - //! Load image using ImageMagick's external tool 'convert'. - /** - \param filename Filename, as a C-string. - **/ - CImg& load_imagemagick_external(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimg_instance - "load_imagemagick_external(): Specified filename is (null).", - cimg_instance); - std::fclose(cimg::fopen(filename,"rb")); // Check if file exists. - CImg command(1024), filename_tmp(256); - std::FILE *file = 0; - const CImg s_filename = CImg::string(filename)._system_strescape(); -#if cimg_OS==1 - cimg_snprintf(command,command._width,"%s%s \"%s\" pnm:-", - cimg::imagemagick_path(), - !cimg::strcasecmp(cimg::split_filename(filename),"pdf")?" -density 400x400":"", - s_filename.data()); - file = popen(command,"r"); - if (file) { - const unsigned int omode = cimg::exception_mode(); - cimg::exception_mode(0); - try { load_pnm(file); } catch (...) { - pclose(file); - cimg::exception_mode(omode); - throw CImgIOException(_cimg_instance - "load_imagemagick_external(): Failed to load file '%s' with " - "external command 'convert'.", - cimg_instance, - filename); - } - pclose(file); - return *this; - } -#endif - do { - cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.pnm", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - if ((file=std::fopen(filename_tmp,"rb"))!=0) cimg::fclose(file); - } while (file); - cimg_snprintf(command,command._width,"%s%s \"%s\" \"%s\"", - cimg::imagemagick_path(), - !cimg::strcasecmp(cimg::split_filename(filename),"pdf")?" -density 400x400":"", - s_filename.data(),CImg::string(filename_tmp)._system_strescape().data()); - cimg::system(command,cimg::imagemagick_path()); - if (!(file = std::fopen(filename_tmp,"rb"))) { - cimg::fclose(cimg::fopen(filename,"r")); - throw CImgIOException(_cimg_instance - "load_imagemagick_external(): Failed to load file '%s' with external command 'convert'.", - cimg_instance, - filename); - - } else cimg::fclose(file); - load_pnm(filename_tmp); - std::remove(filename_tmp); - return *this; - } - - //! Load image using ImageMagick's external tool 'convert' \newinstance. - static CImg get_load_imagemagick_external(const char *const filename) { - return CImg().load_imagemagick_external(filename); - } - - //! Load image from a DICOM file, using XMedcon's external tool 'medcon'. - /** - \param filename Filename, as a C-string. - **/ - CImg& load_medcon_external(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimg_instance - "load_medcon_external(): Specified filename is (null).", - cimg_instance); - std::fclose(cimg::fopen(filename,"rb")); // Check if file exists. - CImg command(1024), filename_tmp(256), body(256); - cimg::fclose(cimg::fopen(filename,"r")); - std::FILE *file = 0; - do { - cimg_snprintf(filename_tmp,filename_tmp._width,"%s.hdr",cimg::filenamerand()); - if ((file=std::fopen(filename_tmp,"rb"))!=0) cimg::fclose(file); - } while (file); - cimg_snprintf(command,command._width,"%s -w -c anlz -o \"%s\" -f \"%s\"", - cimg::medcon_path(), - CImg::string(filename_tmp)._system_strescape().data(), - CImg::string(filename)._system_strescape().data()); - cimg::system(command); - cimg::split_filename(filename_tmp,body); - - cimg_snprintf(command,command._width,"%s.hdr",body._data); - file = std::fopen(command,"rb"); - if (!file) { - cimg_snprintf(command,command._width,"m000-%s.hdr",body._data); - file = std::fopen(command,"rb"); - if (!file) { - throw CImgIOException(_cimg_instance - "load_medcon_external(): Failed to load file '%s' with external command 'medcon'.", - cimg_instance, - filename); - } - } - cimg::fclose(file); - load_analyze(command); - std::remove(command); - cimg::split_filename(command,body); - cimg_snprintf(command,command._width,"%s.img",body._data); - std::remove(command); - return *this; - } - - //! Load image from a DICOM file, using XMedcon's external tool 'medcon' \newinstance. - static CImg get_load_medcon_external(const char *const filename) { - return CImg().load_medcon_external(filename); - } - - //! Load image from a RAW Color Camera file, using external tool 'dcraw'. - /** - \param filename Filename, as a C-string. - **/ - CImg& load_dcraw_external(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimg_instance - "load_dcraw_external(): Specified filename is (null).", - cimg_instance); - std::fclose(cimg::fopen(filename,"rb")); // Check if file exists. - CImg command(1024), filename_tmp(256); - std::FILE *file = 0; - const CImg s_filename = CImg::string(filename)._system_strescape(); -#if cimg_OS==1 - cimg_snprintf(command,command._width,"%s -w -4 -c \"%s\"", - cimg::dcraw_path(),s_filename.data()); - file = popen(command,"r"); - if (file) { - const unsigned int omode = cimg::exception_mode(); - cimg::exception_mode(0); - try { load_pnm(file); } catch (...) { - pclose(file); - cimg::exception_mode(omode); - throw CImgIOException(_cimg_instance - "load_dcraw_external(): Failed to load file '%s' with external command 'dcraw'.", - cimg_instance, - filename); - } - pclose(file); - return *this; - } -#endif - do { - cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.ppm", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - if ((file=std::fopen(filename_tmp,"rb"))!=0) cimg::fclose(file); - } while (file); - cimg_snprintf(command,command._width,"%s -w -4 -c \"%s\" > \"%s\"", - cimg::dcraw_path(),s_filename.data(),CImg::string(filename_tmp)._system_strescape().data()); - cimg::system(command,cimg::dcraw_path()); - if (!(file = std::fopen(filename_tmp,"rb"))) { - cimg::fclose(cimg::fopen(filename,"r")); - throw CImgIOException(_cimg_instance - "load_dcraw_external(): Failed to load file '%s' with external command 'dcraw'.", - cimg_instance, - filename); - - } else cimg::fclose(file); - load_pnm(filename_tmp); - std::remove(filename_tmp); - return *this; - } - - //! Load image from a RAW Color Camera file, using external tool 'dcraw' \newinstance. - static CImg get_load_dcraw_external(const char *const filename) { - return CImg().load_dcraw_external(filename); - } - - //! Load image from a camera stream, using OpenCV. - /** - \param camera_index Index of the camera to capture images from. - \param skip_frames Number of frames to skip before the capture. - \param release_camera Tells if the camera ressource must be released at the end of the method. - **/ - CImg& load_camera(const unsigned int camera_index=0, const unsigned int skip_frames=0, - const bool release_camera=true, const unsigned int capture_width=0, - const unsigned int capture_height=0) { -#ifdef cimg_use_opencv - if (camera_index>99) - throw CImgArgumentException(_cimg_instance - "load_camera(): Invalid request for camera #%u " - "(no more than 100 cameras can be managed simultaneously).", - cimg_instance, - camera_index); - static CvCapture *capture[100] = { 0 }; - static unsigned int capture_w[100], capture_h[100]; - if (release_camera) { - cimg::mutex(9); - if (capture[camera_index]) cvReleaseCapture(&(capture[camera_index])); - capture[camera_index] = 0; - capture_w[camera_index] = capture_h[camera_index] = 0; - cimg::mutex(9,0); - return *this; - } - if (!capture[camera_index]) { - cimg::mutex(9); - capture[camera_index] = cvCreateCameraCapture(camera_index); - capture_w[camera_index] = 0; - capture_h[camera_index] = 0; - cimg::mutex(9,0); - if (!capture[camera_index]) { - throw CImgIOException(_cimg_instance - "load_camera(): Failed to initialize camera #%u.", - cimg_instance, - camera_index); - } - } - cimg::mutex(9); - if (capture_width!=capture_w[camera_index]) { - cvSetCaptureProperty(capture[camera_index],CV_CAP_PROP_FRAME_WIDTH,capture_width); - capture_w[camera_index] = capture_width; - } - if (capture_height!=capture_h[camera_index]) { - cvSetCaptureProperty(capture[camera_index],CV_CAP_PROP_FRAME_HEIGHT,capture_height); - capture_h[camera_index] = capture_height; - } - const IplImage *img = 0; - for (unsigned int i = 0; iwidthStep - 3*img->width); - assign(img->width,img->height,1,3); - const unsigned char* ptrs = (unsigned char*)img->imageData; - T *ptr_r = data(0,0,0,0), *ptr_g = data(0,0,0,1), *ptr_b = data(0,0,0,2); - if (step>0) cimg_forY(*this,y) { - cimg_forX(*this,x) { *(ptr_b++) = (T)*(ptrs++); *(ptr_g++) = (T)*(ptrs++); *(ptr_r++) = (T)*(ptrs++); } - ptrs+=step; - } else for (unsigned long siz = (unsigned long)img->width*img->height; siz; --siz) { - *(ptr_b++) = (T)*(ptrs++); *(ptr_g++) = (T)*(ptrs++); *(ptr_r++) = (T)*(ptrs++); - } - } - cimg::mutex(9,0); - return *this; -#else - cimg::unused(camera_index,skip_frames,release_camera,capture_width,capture_height); - throw CImgIOException(_cimg_instance - "load_camera(): This function requires the OpenCV library to run " - "(macro 'cimg_use_opencv' must be defined).", - cimg_instance); -#endif - } - - //! Load image from a camera stream, using OpenCV \newinstance. - static CImg get_load_camera(const unsigned int camera_index=0, const unsigned int skip_frames=0, - const bool release_camera=true, - const unsigned int capture_width=0, const unsigned int capture_height=0) { - return CImg().load_camera(camera_index,skip_frames,release_camera,capture_width,capture_height); - } - - //! Load image using various non-native ways. - /** - \param filename Filename, as a C-string. - **/ - CImg& load_other(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimg_instance - "load_other(): Specified filename is (null).", - cimg_instance); - - const unsigned int omode = cimg::exception_mode(); - cimg::exception_mode(0); - try { load_magick(filename); } - catch (CImgException&) { - try { load_imagemagick_external(filename); } - catch (CImgException&) { - try { load_graphicsmagick_external(filename); } - catch (CImgException&) { - try { load_cimg(filename); } - catch (CImgException&) { - try { - std::fclose(cimg::fopen(filename,"rb")); - } catch (CImgException&) { - cimg::exception_mode(omode); - throw CImgIOException(_cimg_instance - "load_other(): Failed to open file '%s'.", - cimg_instance, - filename); - } - cimg::exception_mode(omode); - throw CImgIOException(_cimg_instance - "load_other(): Failed to recognize format of file '%s'.", - cimg_instance, - filename); - } - } - } - } - cimg::exception_mode(omode); - return *this; - } - - //! Load image using various non-native ways \newinstance. - static CImg get_load_other(const char *const filename) { - return CImg().load_other(filename); - } - - //@} - //--------------------------- - // - //! \name Data Output - //@{ - //--------------------------- - - //! Display information about the image data. - /** - \param title Name for the considered image. - \param display_stats Tells to compute and display image statistics. - **/ - const CImg& print(const char *const title=0, const bool display_stats=true) const { - int xm = 0, ym = 0, zm = 0, vm = 0, xM = 0, yM = 0, zM = 0, vM = 0; - CImg st; - if (!is_empty() && display_stats) { - st = get_stats(); - xm = (int)st[4]; ym = (int)st[5], zm = (int)st[6], vm = (int)st[7]; - xM = (int)st[8]; yM = (int)st[9], zM = (int)st[10], vM = (int)st[11]; - } - const unsigned long siz = size(), msiz = siz*sizeof(T), siz1 = siz - 1, - mdisp = msiz<8*1024?0U:msiz<8*1024*1024?1U:2U, width1 = _width - 1; - - CImg _title(64); - if (!title) cimg_snprintf(_title,_title._width,"CImg<%s>",pixel_type()); - - std::fprintf(cimg::output(),"%s%s%s%s: %sthis%s = %p, %ssize%s = (%u,%u,%u,%u) [%lu %s], %sdata%s = (%s*)%p", - cimg::t_magenta,cimg::t_bold,title?title:_title._data,cimg::t_normal, - cimg::t_bold,cimg::t_normal,(void*)this, - cimg::t_bold,cimg::t_normal,_width,_height,_depth,_spectrum, - mdisp==0?msiz:(mdisp==1?(msiz>>10):(msiz>>20)), - mdisp==0?"b":(mdisp==1?"Kio":"Mio"), - cimg::t_bold,cimg::t_normal,pixel_type(),(void*)begin()); - if (_data) - std::fprintf(cimg::output(),"..%p (%s) = [ ",(void*)((char*)end() - 1),_is_shared?"shared":"non-shared"); - else std::fprintf(cimg::output()," (%s) = [ ",_is_shared?"shared":"non-shared"); - - if (!is_empty()) cimg_foroff(*this,off) { - std::fprintf(cimg::output(),cimg::type::format(),cimg::type::format(_data[off])); - if (off!=siz1) std::fprintf(cimg::output(),"%s",off%_width==width1?" ; ":" "); - if (off==7 && siz>16) { off = siz1 - 8; std::fprintf(cimg::output(),"... "); } - } - if (!is_empty() && display_stats) - std::fprintf(cimg::output(), - " ], %smin%s = %g, %smax%s = %g, %smean%s = %g, %sstd%s = %g, %scoords_min%s = (%u,%u,%u,%u), " - "%scoords_max%s = (%u,%u,%u,%u).\n", - cimg::t_bold,cimg::t_normal,st[0], - cimg::t_bold,cimg::t_normal,st[1], - cimg::t_bold,cimg::t_normal,st[2], - cimg::t_bold,cimg::t_normal,std::sqrt(st[3]), - cimg::t_bold,cimg::t_normal,xm,ym,zm,vm, - cimg::t_bold,cimg::t_normal,xM,yM,zM,vM); - else std::fprintf(cimg::output(),"%s].\n",is_empty()?"":" "); - std::fflush(cimg::output()); - return *this; - } - - //! Display image into a CImgDisplay window. - /** - \param disp Display window. - **/ - const CImg& display(CImgDisplay& disp) const { - disp.display(*this); - return *this; - } - - //! Display image into a CImgDisplay window, in an interactive way. - /** - \param disp Display window. - \param display_info Tells if image information are displayed on the standard output. - **/ - const CImg& display(CImgDisplay &disp, const bool display_info, unsigned int *const XYZ=0, - const bool exit_on_anykey=false) const { - return _display(disp,0,display_info,XYZ,exit_on_anykey,false); - } - - //! Display image into an interactive window. - /** - \param title Window title - \param display_info Tells if image information are displayed on the standard output. - **/ - const CImg& display(const char *const title=0, const bool display_info=true, unsigned int *const XYZ=0, - const bool exit_on_anykey=false) const { - CImgDisplay disp; - return _display(disp,title,display_info,XYZ,exit_on_anykey,false); - } - - const CImg& _display(CImgDisplay &disp, const char *const title, const bool display_info, - unsigned int *const XYZ, const bool exit_on_anykey, - const bool exit_on_simpleclick) const { - unsigned int oldw = 0, oldh = 0, _XYZ[3] = { 0 }, key = 0; - int x0 = 0, y0 = 0, z0 = 0, x1 = width() - 1, y1 = height() - 1, z1 = depth() - 1, - old_mouse_x = -1, old_mouse_y = -1; - - if (!disp) { - disp.assign(cimg_fitscreen(_width,_height,_depth),title?title:0,1); - if (!title) disp.set_title("CImg<%s> (%ux%ux%ux%u)",pixel_type(),_width,_height,_depth,_spectrum); - else disp.set_title("%s",title); - } else if (title) disp.set_title("%s",title); - disp.show().flush(); - - const CImg dtitle = CImg::string(disp.title()); - if (display_info) print(dtitle); - - CImg zoom; - for (bool reset_view = true, resize_disp = false, is_first_select = true; !key && !disp.is_closed(); ) { - if (reset_view) { - if (XYZ) { _XYZ[0] = XYZ[0]; _XYZ[1] = XYZ[1]; _XYZ[2] = XYZ[2]; } - else { - _XYZ[0] = (unsigned int)(x0 + x1)/2; - _XYZ[1] = (unsigned int)(y0 + y1)/2; - _XYZ[2] = (unsigned int)(z0 + z1)/2; - } - x0 = 0; y0 = 0; z0 = 0; x1 = width() - 1; y1 = height() - 1; z1 = depth() - 1; - oldw = disp._width; oldh = disp._height; - reset_view = false; - } - if (!x0 && !y0 && !z0 && x1==width() - 1 && y1==height() - 1 && z1==depth() - 1) { - if (is_empty()) zoom.assign(1,1,1,1,0); else zoom.assign(); - } else zoom = get_crop(x0,y0,z0,x1,y1,z1); - - const unsigned int - dx = 1U + x1 - x0, dy = 1U + y1 - y0, dz = 1U + z1 - z0, - tw = dx + (dz>1?dz:0U), th = dy + (dz>1?dz:0U); - if (!is_empty() && !disp.is_fullscreen() && resize_disp) { - const unsigned int - ttw = tw*disp.width()/oldw, tth = th*disp.height()/oldh, - dM = cimg::max(ttw,tth), diM = (unsigned int)cimg::max(disp.width(),disp.height()), - imgw = cimg::max(16U,ttw*diM/dM), imgh = cimg::max(16U,tth*diM/dM); - disp.set_fullscreen(false).resize(cimg_fitscreen(imgw,imgh,1),false); - resize_disp = false; - } - oldw = tw; oldh = th; - - bool - go_up = false, go_down = false, go_left = false, go_right = false, - go_inc = false, go_dec = false, go_in = false, go_out = false, - go_in_center = false; - const CImg& visu = zoom?zoom:*this; - - disp.set_title("%s",dtitle._data); - if (_width>1 && visu._width==1) disp.set_title("%s | x=%u",disp._title,x0); - if (_height>1 && visu._height==1) disp.set_title("%s | y=%u",disp._title,y0); - if (_depth>1 && visu._depth==1) disp.set_title("%s | z=%u",disp._title,z0); - - if (!is_first_select) { - _XYZ[0] = (unsigned int)(x1 - x0)/2; - _XYZ[1] = (unsigned int)(y1 - y0)/2; - _XYZ[2] = (unsigned int)(z1 - z0)/2; - } - - disp._mouse_x = old_mouse_x; disp._mouse_y = old_mouse_y; - const CImg selection = visu._get_select(disp,0,2,_XYZ,x0,y0,z0,true,is_first_select,_depth>1); - old_mouse_x = disp._mouse_x; old_mouse_y = disp._mouse_y; - is_first_select = false; - - if (disp.wheel()) { - if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - go_down = !(go_up = disp.wheel()>0); - } else if (disp.is_keySHIFTLEFT() || disp.is_keySHIFTRIGHT()) { - go_left = !(go_right = disp.wheel()>0); - } - else if (disp.is_keyALT() || disp.is_keyALTGR() || _depth==1) { - go_out = !(go_in = disp.wheel()>0); go_in_center = false; - } - disp.set_wheel(); - } - - const int - sx0 = selection(0), sy0 = selection(1), sz0 = selection(2), - sx1 = selection(3), sy1 = selection(4), sz1 = selection(5); - if (sx0>=0 && sy0>=0 && sz0>=0 && sx1>=0 && sy1>=0 && sz1>=0) { - x1 = x0 + sx1; y1 = y0 + sy1; z1 = z0 + sz1; - x0+=sx0; y0+=sy0; z0+=sz0; - if (sx0==sx1 && sy0==sy1 && sz0==sz1) { - if (exit_on_simpleclick && (!zoom || is_empty())) break; else reset_view = true; - } - resize_disp = true; - } else switch (key = disp.key()) { -#if cimg_OS!=2 - case cimg::keyCTRLRIGHT : case cimg::keySHIFTRIGHT : -#endif - case 0 : case cimg::keyCTRLLEFT : case cimg::keyPAD5 : case cimg::keySHIFTLEFT : -#if cimg_OS!=2 - case cimg::keyALTGR : -#endif - case cimg::keyALT : key = 0; break; - case cimg::keyP : if (visu._depth>1 && (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT())) { - // Special mode: play stack of frames - const unsigned int - w1 = visu._width*disp.width()/(visu._width + (visu._depth>1?visu._depth:0)), - h1 = visu._height*disp.height()/(visu._height + (visu._depth>1?visu._depth:0)); - float frame_timing = 5; - bool is_stopped = false; - disp.set_key(key,false).set_wheel().resize(cimg_fitscreen(w1,h1,1),false); key = 0; - for (unsigned int timer = 0; !key && !disp.is_closed() && !disp.button(); ) { - if (disp.is_resized()) disp.resize(false); - if (!timer) { - visu.get_slice((int)_XYZ[2]).display(disp.set_title("%s | z=%d",dtitle.data(),_XYZ[2])); - (++_XYZ[2])%=visu._depth; - } - if (!is_stopped) { if (++timer>(unsigned int)frame_timing) timer = 0; } else timer = ~0U; - if (disp.wheel()) { frame_timing-=disp.wheel()/3.0f; disp.set_wheel(); } - switch (key = disp.key()) { -#if cimg_OS!=2 - case cimg::keyCTRLRIGHT : -#endif - case cimg::keyCTRLLEFT : key = 0; break; - case cimg::keyPAGEUP : frame_timing-=0.3f; key = 0; break; - case cimg::keyPAGEDOWN : frame_timing+=0.3f; key = 0; break; - case cimg::keySPACE : is_stopped = !is_stopped; disp.set_key(key,false); key = 0; break; - case cimg::keyARROWLEFT : case cimg::keyARROWUP : is_stopped = true; timer = 0; key = 0; break; - case cimg::keyARROWRIGHT : case cimg::keyARROWDOWN : is_stopped = true; - (_XYZ[2]+=visu._depth - 2)%=visu._depth; timer = 0; key = 0; break; - case cimg::keyD : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(CImgDisplay::_fitscreen(3*disp.width()/2,3*disp.height()/2,1,128,-100,false), - CImgDisplay::_fitscreen(3*disp.width()/2,3*disp.height()/2,1,128,-100,true),false); - disp.set_key(key,false); key = 0; - } break; - case cimg::keyC : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(cimg_fitscreen(2*disp.width()/3,2*disp.height()/3,1),false).set_key(key,false); key = 0; - } break; - case cimg::keyR : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(cimg_fitscreen(_width,_height,_depth),false).set_key(key,false); key = 0; - } break; - case cimg::keyF : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.resize(disp.screen_width(),disp.screen_height(),false). - toggle_fullscreen().set_key(key,false); key = 0; - } break; - } - frame_timing = frame_timing<1?1:(frame_timing>39?39:frame_timing); - disp.wait(20); - } - const unsigned int - w2 = (visu._width + (visu._depth>1?visu._depth:0))*disp.width()/visu._width, - h2 = (visu._height + (visu._depth>1?visu._depth:0))*disp.height()/visu._height; - disp.resize(cimg_fitscreen(w2,h2,1),false).set_title(dtitle.data()).set_key().set_button().set_wheel(); - key = 0; - } break; - case cimg::keyHOME : reset_view = resize_disp = true; key = 0; break; - case cimg::keyPADADD : go_in = true; go_in_center = true; key = 0; break; - case cimg::keyPADSUB : go_out = true; key = 0; break; - case cimg::keyARROWLEFT : case cimg::keyPAD4: go_left = true; key = 0; break; - case cimg::keyARROWRIGHT : case cimg::keyPAD6: go_right = true; key = 0; break; - case cimg::keyARROWUP : case cimg::keyPAD8: go_up = true; key = 0; break; - case cimg::keyARROWDOWN : case cimg::keyPAD2: go_down = true; key = 0; break; - case cimg::keyPAD7 : go_up = go_left = true; key = 0; break; - case cimg::keyPAD9 : go_up = go_right = true; key = 0; break; - case cimg::keyPAD1 : go_down = go_left = true; key = 0; break; - case cimg::keyPAD3 : go_down = go_right = true; key = 0; break; - case cimg::keyPAGEUP : go_inc = true; key = 0; break; - case cimg::keyPAGEDOWN : go_dec = true; key = 0; break; - } - if (go_in) { - const int - mx = go_in_center?disp.width()/2:disp.mouse_x(), - my = go_in_center?disp.height()/2:disp.mouse_y(), - mX = mx*(width() + (depth()>1?depth():0))/disp.width(), - mY = my*(height() + (depth()>1?depth():0))/disp.height(); - int X = (int)_XYZ[0], Y = (int)_XYZ[1], Z = (int)_XYZ[2]; - if (mX=height()) { - X = x0 + mX*(1 + x1 - x0)/width(); Z = z0 + (mY - height())*(1 + z1 - z0)/depth(); Y = (int)_XYZ[1]; - } - if (mX>=width() && mY4) { x0 = X - 3*(X - x0)/4; x1 = X + 3*(x1 - X)/4; } - if (y1 - y0>4) { y0 = Y - 3*(Y - y0)/4; y1 = Y + 3*(y1 - Y)/4; } - if (z1 - z0>4) { z0 = Z - 3*(Z - z0)/4; z1 = Z + 3*(z1 - Z)/4; } - } - if (go_out) { - const int - delta_x = (x1 - x0)/8, delta_y = (y1 - y0)/8, delta_z = (z1 - z0)/8, - ndelta_x = delta_x?delta_x:(_width>1?1:0), - ndelta_y = delta_y?delta_y:(_height>1?1:0), - ndelta_z = delta_z?delta_z:(_depth>1?1:0); - x0-=ndelta_x; y0-=ndelta_y; z0-=ndelta_z; - x1+=ndelta_x; y1+=ndelta_y; z1+=ndelta_z; - if (x0<0) { x1-=x0; x0 = 0; if (x1>=width()) x1 = width() - 1; } - if (y0<0) { y1-=y0; y0 = 0; if (y1>=height()) y1 = height() - 1; } - if (z0<0) { z1-=z0; z0 = 0; if (z1>=depth()) z1 = depth() - 1; } - if (x1>=width()) { x0-=(x1 - width() + 1); x1 = width() - 1; if (x0<0) x0 = 0; } - if (y1>=height()) { y0-=(y1 - height() + 1); y1 = height() - 1; if (y0<0) y0 = 0; } - if (z1>=depth()) { z0-=(z1 - depth() + 1); z1 = depth() - 1; if (z0<0) z0 = 0; } - } - if (go_left) { - const int delta = (x1 - x0)/4, ndelta = delta?delta:(_width>1?1:0); - if (x0 - ndelta>=0) { x0-=ndelta; x1-=ndelta; } - else { x1-=x0; x0 = 0; } - } - if (go_right) { - const int delta = (x1 - x0)/4, ndelta = delta?delta:(_width>1?1:0); - if (x1+ndelta1?1:0); - if (y0 - ndelta>=0) { y0-=ndelta; y1-=ndelta; } - else { y1-=y0; y0 = 0; } - } - if (go_down) { - const int delta = (y1 - y0)/4, ndelta = delta?delta:(_height>1?1:0); - if (y1+ndelta1?1:0); - if (z0 - ndelta>=0) { z0-=ndelta; z1-=ndelta; } - else { z1-=z0; z0 = 0; } - } - if (go_dec) { - const int delta = (z1 - z0)/4, ndelta = delta?delta:(_depth>1?1:0); - if (z1+ndelta - const CImg& display_object3d(CImgDisplay& disp, - const CImg& vertices, - const CImgList& primitives, - const CImgList& colors, - const to& opacities, - const bool centering=true, - const int render_static=4, const int render_motion=1, - const bool is_double_sided=true, const float focale=700, - const float light_x=0, const float light_y=0, const float light_z=-5e8f, - const float specular_lightness=0.2f, const float specular_shininess=0.1f, - const bool display_axes=true, float *const pose_matrix=0, - const bool exit_on_anykey=false) const { - return _display_object3d(disp,0,vertices,primitives,colors,opacities,centering,render_static, - render_motion,is_double_sided,focale, - light_x,light_y,light_z,specular_lightness,specular_shininess, - display_axes,pose_matrix,exit_on_anykey); - } - - //! Display object 3d in an interactive window \simplification. - template - const CImg& display_object3d(const char *const title, - const CImg& vertices, - const CImgList& primitives, - const CImgList& colors, - const to& opacities, - const bool centering=true, - const int render_static=4, const int render_motion=1, - const bool is_double_sided=true, const float focale=700, - const float light_x=0, const float light_y=0, const float light_z=-5e8f, - const float specular_lightness=0.2f, const float specular_shininess=0.1f, - const bool display_axes=true, float *const pose_matrix=0, - const bool exit_on_anykey=false) const { - CImgDisplay disp; - return _display_object3d(disp,title,vertices,primitives,colors,opacities,centering,render_static, - render_motion,is_double_sided,focale, - light_x,light_y,light_z,specular_lightness,specular_shininess, - display_axes,pose_matrix,exit_on_anykey); - } - - //! Display object 3d in an interactive window \simplification. - template - const CImg& display_object3d(CImgDisplay &disp, - const CImg& vertices, - const CImgList& primitives, - const CImgList& colors, - const bool centering=true, - const int render_static=4, const int render_motion=1, - const bool is_double_sided=true, const float focale=700, - const float light_x=0, const float light_y=0, const float light_z=-5e8f, - const float specular_lightness=0.2f, const float specular_shininess=0.1f, - const bool display_axes=true, float *const pose_matrix=0, - const bool exit_on_anykey=false) const { - return display_object3d(disp,vertices,primitives,colors,CImgList(),centering, - render_static,render_motion,is_double_sided,focale, - light_x,light_y,light_z,specular_lightness,specular_shininess, - display_axes,pose_matrix,exit_on_anykey); - } - - //! Display object 3d in an interactive window \simplification. - template - const CImg& display_object3d(const char *const title, - const CImg& vertices, - const CImgList& primitives, - const CImgList& colors, - const bool centering=true, - const int render_static=4, const int render_motion=1, - const bool is_double_sided=true, const float focale=700, - const float light_x=0, const float light_y=0, const float light_z=-5e8f, - const float specular_lightness=0.2f, const float specular_shininess=0.1f, - const bool display_axes=true, float *const pose_matrix=0, - const bool exit_on_anykey=false) const { - return display_object3d(title,vertices,primitives,colors,CImgList(),centering, - render_static,render_motion,is_double_sided,focale, - light_x,light_y,light_z,specular_lightness,specular_shininess, - display_axes,pose_matrix,exit_on_anykey); - } - - //! Display object 3d in an interactive window \simplification. - template - const CImg& display_object3d(CImgDisplay &disp, - const CImg& vertices, - const CImgList& primitives, - const bool centering=true, - const int render_static=4, const int render_motion=1, - const bool is_double_sided=true, const float focale=700, - const float light_x=0, const float light_y=0, const float light_z=-5e8f, - const float specular_lightness=0.2f, const float specular_shininess=0.1f, - const bool display_axes=true, float *const pose_matrix=0, - const bool exit_on_anykey=false) const { - return display_object3d(disp,vertices,primitives,CImgList(),centering, - render_static,render_motion,is_double_sided,focale, - light_x,light_y,light_z,specular_lightness,specular_shininess, - display_axes,pose_matrix,exit_on_anykey); - } - - - //! Display object 3d in an interactive window \simplification. - template - const CImg& display_object3d(const char *const title, - const CImg& vertices, - const CImgList& primitives, - const bool centering=true, - const int render_static=4, const int render_motion=1, - const bool is_double_sided=true, const float focale=700, - const float light_x=0, const float light_y=0, const float light_z=-5e8f, - const float specular_lightness=0.2f, const float specular_shininess=0.1f, - const bool display_axes=true, float *const pose_matrix=0, - const bool exit_on_anykey=false) const { - return display_object3d(title,vertices,primitives,CImgList(),centering, - render_static,render_motion,is_double_sided,focale, - light_x,light_y,light_z,specular_lightness,specular_shininess, - display_axes,pose_matrix,exit_on_anykey); - } - - //! Display object 3d in an interactive window \simplification. - template - const CImg& display_object3d(CImgDisplay &disp, - const CImg& vertices, - const bool centering=true, - const int render_static=4, const int render_motion=1, - const bool is_double_sided=true, const float focale=700, - const float light_x=0, const float light_y=0, const float light_z=-5e8f, - const float specular_lightness=0.2f, const float specular_shininess=0.1f, - const bool display_axes=true, float *const pose_matrix=0, - const bool exit_on_anykey=false) const { - return display_object3d(disp,vertices,CImgList(),centering, - render_static,render_motion,is_double_sided,focale, - light_x,light_y,light_z,specular_lightness,specular_shininess, - display_axes,pose_matrix,exit_on_anykey); - } - - //! Display object 3d in an interactive window \simplification. - template - const CImg& display_object3d(const char *const title, - const CImg& vertices, - const bool centering=true, - const int render_static=4, const int render_motion=1, - const bool is_double_sided=true, const float focale=700, - const float light_x=0, const float light_y=0, const float light_z=-5e8f, - const float specular_lightness=0.2f, const float specular_shininess=0.1f, - const bool display_axes=true, float *const pose_matrix=0, - const bool exit_on_anykey=false) const { - return display_object3d(title,vertices,CImgList(),centering, - render_static,render_motion,is_double_sided,focale, - light_x,light_y,light_z,specular_lightness,specular_shininess, - display_axes,pose_matrix,exit_on_anykey); - } - - template - const CImg& _display_object3d(CImgDisplay& disp, const char *const title, - const CImg& vertices, - const CImgList& primitives, - const CImgList& colors, - const to& opacities, - const bool centering, - const int render_static, const int render_motion, - const bool is_double_sided, const float focale, - const float light_x, const float light_y, const float light_z, - const float specular_lightness, const float specular_shininess, - const bool display_axes, float *const pose_matrix, - const bool exit_on_anykey) const { - typedef typename cimg::superset::type tpfloat; - - // Check input arguments - if (is_empty()) { - if (disp) return CImg(disp.width(),disp.height(),1,(colors && colors[0].size()==1)?1:3,0). - _display_object3d(disp,title,vertices,primitives,colors,opacities,centering, - render_static,render_motion,is_double_sided,focale, - light_x,light_y,light_z,specular_lightness,specular_shininess, - display_axes,pose_matrix,exit_on_anykey); - else return CImg(1,2,1,1,64,128).resize(cimg_fitscreen(CImgDisplay::screen_width()/2, - CImgDisplay::screen_height()/2,1), - 1,(colors && colors[0].size()==1)?1:3,3). - _display_object3d(disp,title,vertices,primitives,colors,opacities,centering, - render_static,render_motion,is_double_sided,focale, - light_x,light_y,light_z,specular_lightness,specular_shininess, - display_axes,pose_matrix,exit_on_anykey); - } else { if (disp) disp.resize(*this,false); } - CImg error_message(1024); - if (!vertices.is_object3d(primitives,colors,opacities,true,error_message)) - throw CImgArgumentException(_cimg_instance - "display_object3d(): Invalid specified 3d object (%u,%u) (%s).", - cimg_instance,vertices._width,primitives._width,error_message.data()); - if (vertices._width && !primitives) { - CImgList nprimitives(vertices._width,1,1,1,1); - cimglist_for(nprimitives,l) nprimitives(l,0) = (tf)l; - return _display_object3d(disp,title,vertices,nprimitives,colors,opacities,centering, - render_static,render_motion,is_double_sided,focale, - light_x,light_y,light_z,specular_lightness,specular_shininess, - display_axes,pose_matrix,exit_on_anykey); - } - if (!disp) { - disp.assign(cimg_fitscreen(_width,_height,_depth),title?title:0,3); - if (!title) disp.set_title("CImg<%s> (%u vertices, %u primitives)", - pixel_type(),vertices._width,primitives._width); - } else if (title) disp.set_title("%s",title); - - // Init 3d objects and compute object statistics - CImg - pose, - rotated_vertices(vertices._width,3), - bbox_vertices, rotated_bbox_vertices, - axes_vertices, rotated_axes_vertices, - bbox_opacities, axes_opacities; - CImgList bbox_primitives, axes_primitives; - CImgList reverse_primitives; - CImgList bbox_colors, bbox_colors2, axes_colors; - unsigned int ns_width = 0, ns_height = 0; - int _is_double_sided = (int)is_double_sided; - bool ndisplay_axes = display_axes; - const CImg - background_color(1,1,1,_spectrum,0), - foreground_color(1,1,1,_spectrum,255); - float - Xoff = 0, Yoff = 0, Zoff = 0, sprite_scale = 1, - xm = 0, xM = vertices?vertices.get_shared_row(0).max_min(xm):0, - ym = 0, yM = vertices?vertices.get_shared_row(1).max_min(ym):0, - zm = 0, zM = vertices?vertices.get_shared_row(2).max_min(zm):0; - const float delta = cimg::max(xM - xm,yM - ym,zM - zm); - - rotated_bbox_vertices = bbox_vertices.assign(8,3,1,1, - xm,xM,xM,xm,xm,xM,xM,xm, - ym,ym,yM,yM,ym,ym,yM,yM, - zm,zm,zm,zm,zM,zM,zM,zM); - bbox_primitives.assign(6,1,4,1,1, 0,3,2,1, 4,5,6,7, 1,2,6,5, 0,4,7,3, 0,1,5,4, 2,3,7,6); - bbox_colors.assign(6,_spectrum,1,1,1,background_color[0]); - bbox_colors2.assign(6,_spectrum,1,1,1,foreground_color[0]); - bbox_opacities.assign(bbox_colors._width,1,1,1,0.3f); - - rotated_axes_vertices = axes_vertices.assign(7,3,1,1, - 0,20,0,0,22,-6,-6, - 0,0,20,0,-6,22,-6, - 0,0,0,20,0,0,22); - axes_opacities.assign(3,1,1,1,1); - axes_colors.assign(3,_spectrum,1,1,1,foreground_color[0]); - axes_primitives.assign(3,1,2,1,1, 0,1, 0,2, 0,3); - - // Begin user interaction loop - CImg visu0(*this), visu; - CImg zbuffer(visu0.width(),visu0.height(),1,1,0); - bool init_pose = true, clicked = false, redraw = true; - unsigned int key = 0; - int - x0 = 0, y0 = 0, x1 = 0, y1 = 0, - nrender_static = render_static, - nrender_motion = render_motion; - disp.show().flush(); - - while (!disp.is_closed() && !key) { - - // Init object pose - if (init_pose) { - const float - ratio = delta>0?(2.0f*cimg::min(disp.width(),disp.height())/(3.0f*delta)):1, - dx = (xM + xm)/2, dy = (yM + ym)/2, dz = (zM + zm)/2; - if (centering) - CImg(4,3,1,1, ratio,0.,0.,-ratio*dx, 0.,ratio,0.,-ratio*dy, 0.,0.,ratio,-ratio*dz).move_to(pose); - else CImg(4,3,1,1, 1,0,0,0, 0,1,0,0, 0,0,1,0).move_to(pose); - if (pose_matrix) { - CImg pose0(pose_matrix,4,3,1,1,false); - pose0.resize(4,4,1,1,0); pose.resize(4,4,1,1,0); - pose0(3,3) = pose(3,3) = 1; - (pose0*pose).get_crop(0,0,3,2).move_to(pose); - Xoff = pose_matrix[12]; Yoff = pose_matrix[13]; Zoff = pose_matrix[14]; sprite_scale = pose_matrix[15]; - } else { Xoff = Yoff = Zoff = 0; sprite_scale = 1; } - init_pose = false; - redraw = true; - } - - // Rotate and draw 3d object - if (redraw) { - const float - r00 = pose(0,0), r10 = pose(1,0), r20 = pose(2,0), r30 = pose(3,0), - r01 = pose(0,1), r11 = pose(1,1), r21 = pose(2,1), r31 = pose(3,1), - r02 = pose(0,2), r12 = pose(1,2), r22 = pose(2,2), r32 = pose(3,2); - if ((clicked && nrender_motion>=0) || (!clicked && nrender_static>=0)) - cimg_forX(vertices,l) { - const float x = (float)vertices(l,0), y = (float)vertices(l,1), z = (float)vertices(l,2); - rotated_vertices(l,0) = r00*x + r10*y + r20*z + r30; - rotated_vertices(l,1) = r01*x + r11*y + r21*z + r31; - rotated_vertices(l,2) = r02*x + r12*y + r22*z + r32; - } - else cimg_forX(bbox_vertices,l) { - const float x = bbox_vertices(l,0), y = bbox_vertices(l,1), z = bbox_vertices(l,2); - rotated_bbox_vertices(l,0) = r00*x + r10*y + r20*z + r30; - rotated_bbox_vertices(l,1) = r01*x + r11*y + r21*z + r31; - rotated_bbox_vertices(l,2) = r02*x + r12*y + r22*z + r32; - } - - // Draw objects - //#ifdef cimg_use_openmp - // const bool render_with_zbuffer = true; - //#else - const bool render_with_zbuffer = !clicked && nrender_static>0; - //#endif - visu = visu0; - if ((clicked && nrender_motion<0) || (!clicked && nrender_static<0)) - visu.draw_object3d(Xoff + visu._width/2.0f,Yoff + visu._height/2.0f,Zoff, - rotated_bbox_vertices,bbox_primitives,bbox_colors,bbox_opacities,2,false,focale). - draw_object3d(Xoff + visu._width/2.0f,Yoff + visu._height/2.0f,Zoff, - rotated_bbox_vertices,bbox_primitives,bbox_colors2,1,false,focale); - else visu._draw_object3d((void*)0,render_with_zbuffer?zbuffer.fill(0):CImg::empty(), - Xoff + visu._width/2.0f,Yoff + visu._height/2.0f,Zoff, - rotated_vertices,reverse_primitives?reverse_primitives:primitives, - colors,opacities,clicked?nrender_motion:nrender_static,_is_double_sided==1,focale, - width()/2.0f + light_x,height()/2.0f + light_y,light_z + Zoff, - specular_lightness,specular_shininess,sprite_scale); - // Draw axes - if (ndisplay_axes) { - const float - n = (float)std::sqrt(1e-8 + r00*r00 + r01*r01 + r02*r02), - _r00 = r00/n, _r10 = r10/n, _r20 = r20/n, - _r01 = r01/n, _r11 = r11/n, _r21 = r21/n, - _r02 = r01/n, _r12 = r12/n, _r22 = r22/n, - Xaxes = 25, Yaxes = visu._height - 38.0f; - cimg_forX(axes_vertices,l) { - const float - x = axes_vertices(l,0), - y = axes_vertices(l,1), - z = axes_vertices(l,2); - rotated_axes_vertices(l,0) = _r00*x + _r10*y + _r20*z; - rotated_axes_vertices(l,1) = _r01*x + _r11*y + _r21*z; - rotated_axes_vertices(l,2) = _r02*x + _r12*y + _r22*z; - } - axes_opacities(0,0) = (rotated_axes_vertices(1,2)>0)?0.5f:1.0f; - axes_opacities(1,0) = (rotated_axes_vertices(2,2)>0)?0.5f:1.0f; - axes_opacities(2,0) = (rotated_axes_vertices(3,2)>0)?0.5f:1.0f; - visu.draw_object3d(Xaxes,Yaxes,0,rotated_axes_vertices,axes_primitives, - axes_colors,axes_opacities,1,false,focale). - draw_text((int)(Xaxes + rotated_axes_vertices(4,0)), - (int)(Yaxes + rotated_axes_vertices(4,1)), - "X",axes_colors[0]._data,0,axes_opacities(0,0),13). - draw_text((int)(Xaxes + rotated_axes_vertices(5,0)), - (int)(Yaxes + rotated_axes_vertices(5,1)), - "Y",axes_colors[1]._data,0,axes_opacities(1,0),13). - draw_text((int)(Xaxes + rotated_axes_vertices(6,0)), - (int)(Yaxes + rotated_axes_vertices(6,1)), - "Z",axes_colors[2]._data,0,axes_opacities(2,0),13); - } - visu.display(disp); - if (!clicked || nrender_motion==nrender_static) redraw = false; - } - - // Handle user interaction - disp.wait(); - if ((disp.button() || disp.wheel()) && disp.mouse_x()>=0 && disp.mouse_y()>=0) { - redraw = true; - if (!clicked) { x0 = x1 = disp.mouse_x(); y0 = y1 = disp.mouse_y(); if (!disp.wheel()) clicked = true; } - else { x1 = disp.mouse_x(); y1 = disp.mouse_y(); } - if (disp.button()&1) { - const float - R = 0.45f*cimg::min(disp.width(),disp.height()), - R2 = R*R, - u0 = (float)(x0 - disp.width()/2), - v0 = (float)(y0 - disp.height()/2), - u1 = (float)(x1 - disp.width()/2), - v1 = (float)(y1 - disp.height()/2), - n0 = (float)std::sqrt(u0*u0 + v0*v0), - n1 = (float)std::sqrt(u1*u1 + v1*v1), - nu0 = n0>R?(u0*R/n0):u0, - nv0 = n0>R?(v0*R/n0):v0, - nw0 = (float)std::sqrt(cimg::max(0,R2 - nu0*nu0 - nv0*nv0)), - nu1 = n1>R?(u1*R/n1):u1, - nv1 = n1>R?(v1*R/n1):v1, - nw1 = (float)std::sqrt(cimg::max(0,R2 - nu1*nu1 - nv1*nv1)), - u = nv0*nw1 - nw0*nv1, - v = nw0*nu1 - nu0*nw1, - w = nv0*nu1 - nu0*nv1, - n = (float)std::sqrt(u*u + v*v + w*w), - alpha = (float)std::asin(n/R2); - (CImg::rotation_matrix(u,v,w,alpha)*pose).move_to(pose); - x0 = x1; y0 = y1; - } - if (disp.button()&2) { - if (focale>0) Zoff-=(y0 - y1)*focale/400; - else { const float s = std::exp((y0 - y1)/400.0f); pose*=s; sprite_scale*=s; } - x0 = x1; y0 = y1; - } - if (disp.wheel()) { - if (focale>0) Zoff-=disp.wheel()*focale/20; - else { const float s = std::exp(disp.wheel()/20.0f); pose*=s; sprite_scale*=s; } - disp.set_wheel(); - } - if (disp.button()&4) { Xoff+=(x1 - x0); Yoff+=(y1 - y0); x0 = x1; y0 = y1; } - if ((disp.button()&1) && (disp.button()&2)) { - init_pose = true; disp.set_button(); x0 = x1; y0 = y1; - pose = CImg(4,3,1,1, 1,0,0,0, 0,1,0,0, 0,0,1,0); - } - } else if (clicked) { x0 = x1; y0 = y1; clicked = false; redraw = true; } - - CImg filename(32); - switch (key = disp.key()) { -#if cimg_OS!=2 - case cimg::keyCTRLRIGHT : -#endif - case 0 : case cimg::keyCTRLLEFT : key = 0; break; - case cimg::keyD: if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(CImgDisplay::_fitscreen(3*disp.width()/2,3*disp.height()/2,1,128,-100,false), - CImgDisplay::_fitscreen(3*disp.width()/2,3*disp.height()/2,1,128,-100,true),false). - _is_resized = true; - disp.set_key(key,false); key = 0; - } break; - case cimg::keyC : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(cimg_fitscreen(2*disp.width()/3,2*disp.height()/3,1),false)._is_resized = true; - disp.set_key(key,false); key = 0; - } break; - case cimg::keyR : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false).resize(cimg_fitscreen(_width,_height,_depth),false)._is_resized = true; - disp.set_key(key,false); key = 0; - } break; - case cimg::keyF : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - if (!ns_width || !ns_height || - ns_width>(unsigned int)disp.screen_width() || ns_height>(unsigned int)disp.screen_height()) { - ns_width = disp.screen_width()*3U/4; - ns_height = disp.screen_height()*3U/4; - } - if (disp.is_fullscreen()) disp.resize(ns_width,ns_height,false); - else { - ns_width = disp._width; ns_height = disp._height; - disp.resize(disp.screen_width(),disp.screen_height(),false); - } - disp.toggle_fullscreen()._is_resized = true; - disp.set_key(key,false); key = 0; - } break; - case cimg::keyT : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - // Switch single/double-sided primitives. - if (--_is_double_sided==-2) _is_double_sided = 1; - if (_is_double_sided>=0) reverse_primitives.assign(); - else primitives.get_reverse_object3d().move_to(reverse_primitives); - disp.set_key(key,false); key = 0; redraw = true; - } break; - case cimg::keyZ : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { // Enable/disable Z-buffer - if (zbuffer) zbuffer.assign(); - else zbuffer.assign(visu0.width(),visu0.height(),1,1,0); - disp.set_key(key,false); key = 0; redraw = true; - } break; - case cimg::keyA : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { // Show/hide 3d axes. - ndisplay_axes = !ndisplay_axes; - disp.set_key(key,false); key = 0; redraw = true; - } break; - case cimg::keyF1 : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { // Set rendering mode to points. - nrender_motion = (nrender_static==0 && nrender_motion!=0)?0:-1; nrender_static = 0; - disp.set_key(key,false); key = 0; redraw = true; - } break; - case cimg::keyF2 : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { // Set rendering mode to lines. - nrender_motion = (nrender_static==1 && nrender_motion!=1)?1:-1; nrender_static = 1; - disp.set_key(key,false); key = 0; redraw = true; - } break; - case cimg::keyF3 : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { // Set rendering mode to flat. - nrender_motion = (nrender_static==2 && nrender_motion!=2)?2:-1; nrender_static = 2; - disp.set_key(key,false); key = 0; redraw = true; - } break; - case cimg::keyF4 : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { // Set rendering mode to flat-shaded. - nrender_motion = (nrender_static==3 && nrender_motion!=3)?3:-1; nrender_static = 3; - disp.set_key(key,false); key = 0; redraw = true; - } break; - case cimg::keyF5 : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - // Set rendering mode to gouraud-shaded. - nrender_motion = (nrender_static==4 && nrender_motion!=4)?4:-1; nrender_static = 4; - disp.set_key(key,false); key = 0; redraw = true; - } break; - case cimg::keyF6 : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { // Set rendering mode to phong-shaded. - nrender_motion = (nrender_static==5 && nrender_motion!=5)?5:-1; nrender_static = 5; - disp.set_key(key,false); key = 0; redraw = true; - } break; - case cimg::keyS : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { // Save snapshot - static unsigned int snap_number = 0; - std::FILE *file; - do { - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.bmp",snap_number++); - if ((file=std::fopen(filename,"r"))!=0) cimg::fclose(file); - } while (file); - (+visu).draw_text(0,0," Saving snapshot... ", - foreground_color._data,background_color._data,0.7f,13).display(disp); - visu.save(filename); - (+visu).draw_text(0,0," Snapshot '%s' saved. ", - foreground_color._data,background_color._data,0.7f,13,filename._data).display(disp); - disp.set_key(key,false); key = 0; - } break; - case cimg::keyG : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { // Save object as a .off file - static unsigned int snap_number = 0; - std::FILE *file; - do { - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.off",snap_number++); - if ((file=std::fopen(filename,"r"))!=0) cimg::fclose(file); - } while (file); - (+visu).draw_text(0,0," Saving object... ", - foreground_color._data,background_color._data,0.7f,13).display(disp); - vertices.save_off(reverse_primitives?reverse_primitives:primitives,colors,filename); - (+visu).draw_text(0,0," Object '%s' saved. ", - foreground_color._data,background_color._data,0.7f,13,filename._data).display(disp); - disp.set_key(key,false); key = 0; - } break; - case cimg::keyO : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { // Save object as a .cimg file - static unsigned int snap_number = 0; - std::FILE *file; - do { -#ifdef cimg_use_zlib - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.cimgz",snap_number++); -#else - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.cimg",snap_number++); -#endif - if ((file=std::fopen(filename,"r"))!=0) cimg::fclose(file); - } while (file); - (+visu).draw_text(0,0," Saving object... ", - foreground_color._data,background_color._data,0.7f,13).display(disp); - vertices.get_object3dtoCImg3d(reverse_primitives?reverse_primitives:primitives,colors,opacities). - save(filename); - (+visu).draw_text(0,0," Object '%s' saved. ", - foreground_color._data,background_color._data,0.7f,13,filename._data).display(disp); - disp.set_key(key,false); key = 0; - } break; -#ifdef cimg_use_board - case cimg::keyP : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { // Save object as a .EPS file - static unsigned int snap_number = 0; - std::FILE *file; - do { - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.eps",snap_number++); - if ((file=std::fopen(filename,"r"))!=0) cimg::fclose(file); - } while (file); - (+visu).draw_text(0,0," Saving EPS snapshot... ", - foreground_color._data,background_color._data,0.7f,13).display(disp); - LibBoard::Board board; - (+visu)._draw_object3d(&board,zbuffer.fill(0), - Xoff + visu._width/2.0f,Yoff + visu._height/2.0f,Zoff, - rotated_vertices,reverse_primitives?reverse_primitives:primitives, - colors,opacities,clicked?nrender_motion:nrender_static, - _is_double_sided==1,focale, - visu.width()/2.0f + light_x,visu.height()/2.0f + light_y,light_z + Zoff, - specular_lightness,specular_shininess, - sprite_scale); - board.saveEPS(filename); - (+visu).draw_text(0,0," Object '%s' saved. ", - foreground_color._data,background_color._data,0.7f,13,filename._data).display(disp); - disp.set_key(key,false); key = 0; - } break; - case cimg::keyV : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { // Save object as a .SVG file - static unsigned int snap_number = 0; - std::FILE *file; - do { - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.svg",snap_number++); - if ((file=std::fopen(filename,"r"))!=0) cimg::fclose(file); - } while (file); - (+visu).draw_text(0,0," Saving SVG snapshot... ", - foreground_color._data,background_color._data,0.7f,13).display(disp); - LibBoard::Board board; - (+visu)._draw_object3d(&board,zbuffer.fill(0), - Xoff + visu._width/2.0f,Yoff + visu._height/2.0f,Zoff, - rotated_vertices,reverse_primitives?reverse_primitives:primitives, - colors,opacities,clicked?nrender_motion:nrender_static, - _is_double_sided==1,focale, - visu.width()/2.0f + light_x,visu.height()/2.0f + light_y,light_z + Zoff, - specular_lightness,specular_shininess, - sprite_scale); - board.saveSVG(filename); - (+visu).draw_text(0,0," Object '%s' saved. ", - foreground_color._data,background_color._data,0.7f,13,filename._data).display(disp); - disp.set_key(key,false); key = 0; - } break; -#endif - } - if (disp.is_resized()) { - disp.resize(false); visu0 = get_resize(disp,1); - if (zbuffer) zbuffer.assign(disp.width(),disp.height()); - redraw = true; - } - if (!exit_on_anykey && key && key!=cimg::keyESC && - (key!=cimg::keyW || (!disp.is_keyCTRLLEFT() && !disp.is_keyCTRLRIGHT()))) { - key = 0; - } - } - if (pose_matrix) { - std::memcpy(pose_matrix,pose._data,12*sizeof(float)); - pose_matrix[12] = Xoff; pose_matrix[13] = Yoff; pose_matrix[14] = Zoff; pose_matrix[15] = sprite_scale; - } - disp.set_button().set_key(key); - return *this; - } - - //! Display 1d graph in an interactive window. - /** - \param disp Display window. - \param plot_type Plot type. Can be { 0=points | 1=segments | 2=splines | 3=bars }. - \param vertex_type Vertex type. - \param labelx Title for the horizontal axis, as a C-string. - \param xmin Minimum value along the X-axis. - \param xmax Maximum value along the X-axis. - \param labely Title for the vertical axis, as a C-string. - \param ymin Minimum value along the X-axis. - \param ymax Maximum value along the X-axis. - **/ - const CImg& display_graph(CImgDisplay &disp, - const unsigned int plot_type=1, const unsigned int vertex_type=1, - const char *const labelx=0, const double xmin=0, const double xmax=0, - const char *const labely=0, const double ymin=0, const double ymax=0, - const bool exit_on_anykey=false) const { - return _display_graph(disp,0,plot_type,vertex_type,labelx,xmin,xmax,labely,ymin,ymax,exit_on_anykey); - } - - //! Display 1d graph in an interactive window \overloading. - const CImg& display_graph(const char *const title=0, - const unsigned int plot_type=1, const unsigned int vertex_type=1, - const char *const labelx=0, const double xmin=0, const double xmax=0, - const char *const labely=0, const double ymin=0, const double ymax=0, - const bool exit_on_anykey=false) const { - CImgDisplay disp; - return _display_graph(disp,title,plot_type,vertex_type,labelx,xmin,xmax,labely,ymin,ymax,exit_on_anykey); - } - - const CImg& _display_graph(CImgDisplay &disp, const char *const title=0, - const unsigned int plot_type=1, const unsigned int vertex_type=1, - const char *const labelx=0, const double xmin=0, const double xmax=0, - const char *const labely=0, const double ymin=0, const double ymax=0, - const bool exit_on_anykey=false) const { - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "display_graph(): Empty instance.", - cimg_instance); - if (!disp) disp.assign(cimg_fitscreen(CImgDisplay::screen_width()/2,CImgDisplay::screen_height()/2,1),0,0). - set_title(title?"%s":"CImg<%s>",title?title:pixel_type()); - const unsigned long siz = (unsigned long)_width*_height*_depth, siz1 = cimg::max(1U,siz - 1); - const unsigned int old_normalization = disp.normalization(); - disp.show().flush()._normalization = 0; - - double y0 = ymin, y1 = ymax, nxmin = xmin, nxmax = xmax; - if (nxmin==nxmax) { nxmin = 0; nxmax = siz1; } - int x0 = 0, x1 = width()*height()*depth() - 1, key = 0; - - for (bool reset_view = true; !key && !disp.is_closed(); ) { - if (reset_view) { x0 = 0; x1 = width()*height()*depth() - 1; y0 = ymin; y1 = ymax; reset_view = false; } - CImg zoom(x1 - x0 + 1,1,1,spectrum()); - cimg_forC(*this,c) zoom.get_shared_channel(c) = CImg(data(x0,0,0,c),x1 - x0 + 1,1,1,1,true); - if (y0==y1) { y0 = zoom.min_max(y1); const double dy = y1 - y0; y0-=dy/20; y1+=dy/20; } - if (y0==y1) { --y0; ++y1; } - - const CImg selection = zoom.get_select_graph(disp,plot_type,vertex_type, - labelx, - nxmin + x0*(nxmax - nxmin)/siz1, - nxmin + x1*(nxmax - nxmin)/siz1, - labely,y0,y1,true); - const int mouse_x = disp.mouse_x(), mouse_y = disp.mouse_y(); - if (selection[0]>=0) { - if (selection[2]<0) reset_view = true; - else { - x1 = x0 + selection[2]; x0+=selection[0]; - if (selection[1]>=0 && selection[3]>=0) { - y0 = y1 - selection[3]*(y1 - y0)/(disp.height() - 32); - y1-=selection[1]*(y1 - y0)/(disp.height() - 32); - } - } - } else { - bool go_in = false, go_out = false, go_left = false, go_right = false, go_up = false, go_down = false; - switch (key = (int)disp.key()) { - case cimg::keyHOME : reset_view = true; key = 0; disp.set_key(); break; - case cimg::keyPADADD : go_in = true; go_out = false; key = 0; disp.set_key(); break; - case cimg::keyPADSUB : go_out = true; go_in = false; key = 0; disp.set_key(); break; - case cimg::keyARROWLEFT : case cimg::keyPAD4 : go_left = true; go_right = false; key = 0; disp.set_key(); - break; - case cimg::keyARROWRIGHT : case cimg::keyPAD6 : go_right = true; go_left = false; key = 0; disp.set_key(); - break; - case cimg::keyARROWUP : case cimg::keyPAD8 : go_up = true; go_down = false; key = 0; disp.set_key(); break; - case cimg::keyARROWDOWN : case cimg::keyPAD2 : go_down = true; go_up = false; key = 0; disp.set_key(); break; - case cimg::keyPAD7 : go_left = true; go_up = true; key = 0; disp.set_key(); break; - case cimg::keyPAD9 : go_right = true; go_up = true; key = 0; disp.set_key(); break; - case cimg::keyPAD1 : go_left = true; go_down = true; key = 0; disp.set_key(); break; - case cimg::keyPAD3 : go_right = true; go_down = true; key = 0; disp.set_key(); break; - } - if (disp.wheel()) { - if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) go_up = !(go_down = disp.wheel()<0); - else if (disp.is_keySHIFTLEFT() || disp.is_keySHIFTRIGHT()) go_left = !(go_right = disp.wheel()>0); - else go_out = !(go_in = disp.wheel()>0); - key = 0; - } - - if (go_in) { - const int - xsiz = x1 - x0, - mx = (mouse_x - 16)*xsiz/(disp.width() - 32), - cx = x0 + (mx<0?0:(mx>=xsiz?xsiz:mx)); - if (x1 - x0>4) { - x0 = cx - 7*(cx - x0)/8; x1 = cx + 7*(x1 - cx)/8; - if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - const double - ysiz = y1 - y0, - my = (mouse_y - 16)*ysiz/(disp.height() - 32), - cy = y1 - (my<0?0:(my>=ysiz?ysiz:my)); - y0 = cy - 7*(cy - y0)/8; y1 = cy + 7*(y1 - cy)/8; - } else y0 = y1 = 0; - } - } - if (go_out) { - if (x0>0 || x1<(int)siz1) { - const int delta_x = (x1 - x0)/8, ndelta_x = delta_x?delta_x:(siz>1?1:0); - const double ndelta_y = (y1 - y0)/8; - x0-=ndelta_x; x1+=ndelta_x; - y0-=ndelta_y; y1+=ndelta_y; - if (x0<0) { x1-=x0; x0 = 0; if (x1>=(int)siz) x1 = (int)siz1; } - if (x1>=(int)siz) { x0-=(x1 - siz1); x1 = (int)siz1; if (x0<0) x0 = 0; } - } - } - if (go_left) { - const int delta = (x1 - x0)/5, ndelta = delta?delta:1; - if (x0 - ndelta>=0) { x0-=ndelta; x1-=ndelta; } - else { x1-=x0; x0 = 0; } - go_left = false; - } - if (go_right) { - const int delta = (x1 - x0)/5, ndelta = delta?delta:1; - if (x1 + ndelta<(int)siz) { x0+=ndelta; x1+=ndelta; } - else { x0+=(siz1 - x1); x1 = (int)siz1; } - go_right = false; - } - if (go_up) { - const double delta = (y1 - y0)/10, ndelta = delta?delta:1; - y0+=ndelta; y1+=ndelta; - go_up = false; - } - if (go_down) { - const double delta = (y1 - y0)/10, ndelta = delta?delta:1; - y0-=ndelta; y1-=ndelta; - go_down = false; - } - } - if (!exit_on_anykey && key && key!=(int)cimg::keyESC && - (key!=(int)cimg::keyW || (!disp.is_keyCTRLLEFT() && !disp.is_keyCTRLRIGHT()))) { - disp.set_key(key,false); - key = 0; - } - } - disp._normalization = old_normalization; - return *this; - } - - //! Save image as a file. - /** - \param filename Filename, as a C-string. - \param number When positive, represents an index added to the filename. Otherwise, no number is added. - \param digits Number of digits used for adding the number to the filename. - \note - - The used file format is defined by the file extension in the filename \p filename. - - Parameter \p number can be used to add a 6-digit number to the filename before saving. - - **/ - const CImg& save(const char *const filename, const int number=-1, const unsigned int digits=6) const { - if (!filename) - throw CImgArgumentException(_cimg_instance - "save(): Specified filename is (null).", - cimg_instance); - // Do not test for empty instances, since .cimg format is able to manage empty instances. - const bool is_stdout = *filename=='-' && (!filename[1] || filename[1]=='.'); - const char *const ext = cimg::split_filename(filename); - CImg nfilename(1024); - const char *const fn = is_stdout?filename:(number>=0)?cimg::number_filename(filename,number,digits,nfilename): - filename; - -#ifdef cimg_save_plugin - cimg_save_plugin(fn); -#endif -#ifdef cimg_save_plugin1 - cimg_save_plugin1(fn); -#endif -#ifdef cimg_save_plugin2 - cimg_save_plugin2(fn); -#endif -#ifdef cimg_save_plugin3 - cimg_save_plugin3(fn); -#endif -#ifdef cimg_save_plugin4 - cimg_save_plugin4(fn); -#endif -#ifdef cimg_save_plugin5 - cimg_save_plugin5(fn); -#endif -#ifdef cimg_save_plugin6 - cimg_save_plugin6(fn); -#endif -#ifdef cimg_save_plugin7 - cimg_save_plugin7(fn); -#endif -#ifdef cimg_save_plugin8 - cimg_save_plugin8(fn); -#endif - // Ascii formats - if (!cimg::strcasecmp(ext,"asc")) return save_ascii(fn); - else if (!cimg::strcasecmp(ext,"dlm") || - !cimg::strcasecmp(ext,"txt")) return save_dlm(fn); - else if (!cimg::strcasecmp(ext,"cpp") || - !cimg::strcasecmp(ext,"hpp") || - !cimg::strcasecmp(ext,"h") || - !cimg::strcasecmp(ext,"c")) return save_cpp(fn); - - // 2d binary formats - else if (!cimg::strcasecmp(ext,"bmp")) return save_bmp(fn); - else if (!cimg::strcasecmp(ext,"jpg") || - !cimg::strcasecmp(ext,"jpeg") || - !cimg::strcasecmp(ext,"jpe") || - !cimg::strcasecmp(ext,"jfif") || - !cimg::strcasecmp(ext,"jif")) return save_jpeg(fn); - else if (!cimg::strcasecmp(ext,"rgb")) return save_rgb(fn); - else if (!cimg::strcasecmp(ext,"rgba")) return save_rgba(fn); - else if (!cimg::strcasecmp(ext,"png")) return save_png(fn); - else if (!cimg::strcasecmp(ext,"pgm") || - !cimg::strcasecmp(ext,"ppm") || - !cimg::strcasecmp(ext,"pnm")) return save_pnm(fn); - else if (!cimg::strcasecmp(ext,"pnk")) return save_pnk(fn); - else if (!cimg::strcasecmp(ext,"pfm")) return save_pfm(fn); - else if (!cimg::strcasecmp(ext,"exr")) return save_exr(fn); - else if (!cimg::strcasecmp(ext,"tif") || - !cimg::strcasecmp(ext,"tiff")) return save_tiff(fn); - - // 3d binary formats - else if (!cimg::strcasecmp(ext,"cimgz")) return save_cimg(fn,true); - else if (!cimg::strcasecmp(ext,"cimg") || !*ext) return save_cimg(fn,false); - else if (!cimg::strcasecmp(ext,"dcm")) return save_medcon_external(fn); - else if (!cimg::strcasecmp(ext,"hdr") || - !cimg::strcasecmp(ext,"nii")) return save_analyze(fn); - else if (!cimg::strcasecmp(ext,"inr")) return save_inr(fn); - else if (!cimg::strcasecmp(ext,"mnc")) return save_minc2(fn); - else if (!cimg::strcasecmp(ext,"pan")) return save_pandore(fn); - else if (!cimg::strcasecmp(ext,"raw")) return save_raw(fn); - - // Archive files - else if (!cimg::strcasecmp(ext,"gz")) return save_gzip_external(fn); - - // Image sequences - else if (!cimg::strcasecmp(ext,"yuv")) return save_yuv(fn,true); - else if (!cimg::strcasecmp(ext,"avi") || - !cimg::strcasecmp(ext,"mov") || - !cimg::strcasecmp(ext,"asf") || - !cimg::strcasecmp(ext,"divx") || - !cimg::strcasecmp(ext,"flv") || - !cimg::strcasecmp(ext,"mpg") || - !cimg::strcasecmp(ext,"m1v") || - !cimg::strcasecmp(ext,"m2v") || - !cimg::strcasecmp(ext,"m4v") || - !cimg::strcasecmp(ext,"mjp") || - !cimg::strcasecmp(ext,"mp4") || - !cimg::strcasecmp(ext,"mkv") || - !cimg::strcasecmp(ext,"mpe") || - !cimg::strcasecmp(ext,"movie") || - !cimg::strcasecmp(ext,"ogm") || - !cimg::strcasecmp(ext,"ogg") || - !cimg::strcasecmp(ext,"ogv") || - !cimg::strcasecmp(ext,"qt") || - !cimg::strcasecmp(ext,"rm") || - !cimg::strcasecmp(ext,"vob") || - !cimg::strcasecmp(ext,"wmv") || - !cimg::strcasecmp(ext,"xvid") || - !cimg::strcasecmp(ext,"mpeg")) return save_video(fn); - return save_other(fn); - } - - //! Save image as an ascii file. - /** - \param filename Filename, as a C-string. - **/ - const CImg& save_ascii(const char *const filename) const { - return _save_ascii(0,filename); - } - - //! Save image as an ascii file \overloading. - const CImg& save_ascii(std::FILE *const file) const { - return _save_ascii(file,0); - } - - const CImg& _save_ascii(std::FILE *const file, const char *const filename) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_ascii(): Specified filename is (null).", - cimg_instance); - std::FILE *const nfile = file?file:cimg::fopen(filename,"w"); - std::fprintf(nfile,"%u %u %u %u\n",_width,_height,_depth,_spectrum); - const T* ptrs = _data; - cimg_forYZC(*this,y,z,c) { - cimg_forX(*this,x) std::fprintf(nfile,"%.16g ",(double)*(ptrs++)); - std::fputc('\n',nfile); - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save image as a .cpp source file. - /** - \param filename Filename, as a C-string. - **/ - const CImg& save_cpp(const char *const filename) const { - return _save_cpp(0,filename); - } - - //! Save image as a .cpp source file \overloading. - const CImg& save_cpp(std::FILE *const file) const { - return _save_cpp(file,0); - } - - const CImg& _save_cpp(std::FILE *const file, const char *const filename) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_cpp(): Specified filename is (null).", - cimg_instance); - std::FILE *const nfile = file?file:cimg::fopen(filename,"w"); - CImg varname(1024); *varname = 0; - if (filename) cimg_sscanf(cimg::basename(filename),"%1023[a-zA-Z0-9_]",varname._data); - if (!*varname) cimg_snprintf(varname,varname._width,"unnamed"); - std::fprintf(nfile, - "/* Define image '%s' of size %ux%ux%ux%u and type '%s' */\n" - "%s data_%s[] = { %s\n ", - varname._data,_width,_height,_depth,_spectrum,pixel_type(),pixel_type(),varname._data, - is_empty()?"};":""); - if (!is_empty()) for (unsigned long off = 0, siz = size() - 1; off<=siz; ++off) { - std::fprintf(nfile,cimg::type::format(),cimg::type::format((*this)[off])); - if (off==siz) std::fprintf(nfile," };\n"); - else if (!((off + 1)%16)) std::fprintf(nfile,",\n "); - else std::fprintf(nfile,", "); - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save image as a DLM file. - /** - \param filename Filename, as a C-string. - **/ - const CImg& save_dlm(const char *const filename) const { - return _save_dlm(0,filename); - } - - //! Save image as a DLM file \overloading. - const CImg& save_dlm(std::FILE *const file) const { - return _save_dlm(file,0); - } - - const CImg& _save_dlm(std::FILE *const file, const char *const filename) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_dlm(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - if (_depth>1) - cimg::warn(_cimg_instance - "save_dlm(): Instance is volumetric, values along Z will be unrolled in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - if (_spectrum>1) - cimg::warn(_cimg_instance - "save_dlm(): Instance is multispectral, values along C will be unrolled in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"w"); - const T* ptrs = _data; - cimg_forYZC(*this,y,z,c) { - cimg_forX(*this,x) std::fprintf(nfile,"%.16g%s",(double)*(ptrs++),(x==width() - 1)?"":","); - std::fputc('\n',nfile); - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save image as a BMP file. - /** - \param filename Filename, as a C-string. - **/ - const CImg& save_bmp(const char *const filename) const { - return _save_bmp(0,filename); - } - - //! Save image as a BMP file \overloading. - const CImg& save_bmp(std::FILE *const file) const { - return _save_bmp(file,0); - } - - const CImg& _save_bmp(std::FILE *const file, const char *const filename) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_bmp(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - if (_depth>1) - cimg::warn(_cimg_instance - "save_bmp(): Instance is volumetric, only the first slice will be saved in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - if (_spectrum>3) - cimg::warn(_cimg_instance - "save_bmp(): Instance is multispectral, only the three first channels will be saved in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - CImg header(54,1,1,1,0); - unsigned char align_buf[4] = { 0 }; - const unsigned int - align = (4 - (3*_width)%4)%4, - buf_size = (3*_width + align)*height(), - file_size = 54 + buf_size; - header[0] = 'B'; header[1] = 'M'; - header[0x02] = file_size&0xFF; - header[0x03] = (file_size>>8)&0xFF; - header[0x04] = (file_size>>16)&0xFF; - header[0x05] = (file_size>>24)&0xFF; - header[0x0A] = 0x36; - header[0x0E] = 0x28; - header[0x12] = _width&0xFF; - header[0x13] = (_width>>8)&0xFF; - header[0x14] = (_width>>16)&0xFF; - header[0x15] = (_width>>24)&0xFF; - header[0x16] = _height&0xFF; - header[0x17] = (_height>>8)&0xFF; - header[0x18] = (_height>>16)&0xFF; - header[0x19] = (_height>>24)&0xFF; - header[0x1A] = 1; - header[0x1B] = 0; - header[0x1C] = 24; - header[0x1D] = 0; - header[0x22] = buf_size&0xFF; - header[0x23] = (buf_size>>8)&0xFF; - header[0x24] = (buf_size>>16)&0xFF; - header[0x25] = (buf_size>>24)&0xFF; - header[0x27] = 0x1; - header[0x2B] = 0x1; - cimg::fwrite(header._data,54,nfile); - - const T - *ptr_r = data(0,_height - 1,0,0), - *ptr_g = (_spectrum>=2)?data(0,_height - 1,0,1):0, - *ptr_b = (_spectrum>=3)?data(0,_height - 1,0,2):0; - - switch (_spectrum) { - case 1 : { - cimg_forY(*this,y) { - cimg_forX(*this,x) { - const unsigned char val = (unsigned char)*(ptr_r++); - std::fputc(val,nfile); std::fputc(val,nfile); std::fputc(val,nfile); - } - cimg::fwrite(align_buf,align,nfile); - ptr_r-=2*_width; - } - } break; - case 2 : { - cimg_forY(*this,y) { - cimg_forX(*this,x) { - std::fputc(0,nfile); - std::fputc((unsigned char)(*(ptr_g++)),nfile); - std::fputc((unsigned char)(*(ptr_r++)),nfile); - } - cimg::fwrite(align_buf,align,nfile); - ptr_r-=2*_width; ptr_g-=2*_width; - } - } break; - default : { - cimg_forY(*this,y) { - cimg_forX(*this,x) { - std::fputc((unsigned char)(*(ptr_b++)),nfile); - std::fputc((unsigned char)(*(ptr_g++)),nfile); - std::fputc((unsigned char)(*(ptr_r++)),nfile); - } - cimg::fwrite(align_buf,align,nfile); - ptr_r-=2*_width; ptr_g-=2*_width; ptr_b-=2*_width; - } - } - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save image as a JPEG file. - /** - \param filename Filename, as a C-string. - \param quality Image quality (in %) - **/ - const CImg& save_jpeg(const char *const filename, const unsigned int quality=100) const { - return _save_jpeg(0,filename,quality); - } - - //! Save image as a JPEG file \overloading. - const CImg& save_jpeg(std::FILE *const file, const unsigned int quality=100) const { - return _save_jpeg(file,0,quality); - } - - const CImg& _save_jpeg(std::FILE *const file, const char *const filename, const unsigned int quality) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_jpeg(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - if (_depth>1) - cimg::warn(_cimg_instance - "save_jpeg(): Instance is volumetric, only the first slice will be saved in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - -#ifndef cimg_use_jpeg - if (!file) return save_other(filename,quality); - else throw CImgIOException(_cimg_instance - "save_jpeg(): Unable to save data in '(*FILE)' unless libjpeg is enabled.", - cimg_instance); -#else - unsigned int dimbuf = 0; - J_COLOR_SPACE colortype = JCS_RGB; - - switch (_spectrum) { - case 1 : dimbuf = 1; colortype = JCS_GRAYSCALE; break; - case 2 : dimbuf = 3; colortype = JCS_RGB; break; - case 3 : dimbuf = 3; colortype = JCS_RGB; break; - default : dimbuf = 4; colortype = JCS_CMYK; break; - } - - // Call libjpeg functions - struct jpeg_compress_struct cinfo; - struct jpeg_error_mgr jerr; - cinfo.err = jpeg_std_error(&jerr); - jpeg_create_compress(&cinfo); - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - jpeg_stdio_dest(&cinfo,nfile); - cinfo.image_width = _width; - cinfo.image_height = _height; - cinfo.input_components = dimbuf; - cinfo.in_color_space = colortype; - jpeg_set_defaults(&cinfo); - jpeg_set_quality(&cinfo,quality<100?quality:100,TRUE); - jpeg_start_compress(&cinfo,TRUE); - - JSAMPROW row_pointer[1]; - CImg buffer((unsigned long)_width*dimbuf); - - while (cinfo.next_scanline& save_magick(const char *const filename, const unsigned int bytes_per_pixel=0) const { - if (!filename) - throw CImgArgumentException(_cimg_instance - "save_magick(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - -#ifdef cimg_use_magick - double stmin, stmax = (double)max_min(stmin); - if (_depth>1) - cimg::warn(_cimg_instance - "save_magick(): Instance is volumetric, only the first slice will be saved in file '%s'.", - cimg_instance, - filename); - - if (_spectrum>3) - cimg::warn(_cimg_instance - "save_magick(): Instance is multispectral, only the three first channels will be " - "saved in file '%s'.", - cimg_instance, - filename); - - if (stmin<0 || (bytes_per_pixel==1 && stmax>=256) || stmax>=65536) - cimg::warn(_cimg_instance - "save_magick(): Instance has pixel values in [%g,%g], probable type overflow in file '%s'.", - cimg_instance, - filename,stmin,stmax); - - Magick::Image image(Magick::Geometry(_width,_height),"black"); - image.type(Magick::TrueColorType); - image.depth(bytes_per_pixel?(8*bytes_per_pixel):(stmax>=256?16:8)); - const T - *ptr_r = data(0,0,0,0), - *ptr_g = _spectrum>1?data(0,0,0,1):0, - *ptr_b = _spectrum>2?data(0,0,0,2):0; - Magick::PixelPacket *pixels = image.getPixels(0,0,_width,_height); - switch (_spectrum) { - case 1 : // Scalar images - for (unsigned long off = (unsigned long)_width*_height; off; --off) { - pixels->red = pixels->green = pixels->blue = (Magick::Quantum)*(ptr_r++); - ++pixels; - } - break; - case 2 : // RG images - for (unsigned long off = (unsigned long)_width*_height; off; --off) { - pixels->red = (Magick::Quantum)*(ptr_r++); - pixels->green = (Magick::Quantum)*(ptr_g++); - pixels->blue = 0; ++pixels; - } - break; - default : // RGB images - for (unsigned long off = (unsigned long)_width*_height; off; --off) { - pixels->red = (Magick::Quantum)*(ptr_r++); - pixels->green = (Magick::Quantum)*(ptr_g++); - pixels->blue = (Magick::Quantum)*(ptr_b++); - ++pixels; - } - } - image.syncPixels(); - image.write(filename); - return *this; -#else - cimg::unused(bytes_per_pixel); - throw CImgIOException(_cimg_instance - "save_magick(): Unable to save file '%s' unless libMagick++ is enabled.", - cimg_instance, - filename); -#endif - } - - //! Save image as a PNG file. - /** - \param filename Filename, as a C-string. - \param bytes_per_pixel Force the number of bytes per pixels for the saving, when possible. - **/ - const CImg& save_png(const char *const filename, const unsigned int bytes_per_pixel=0) const { - return _save_png(0,filename,bytes_per_pixel); - } - - //! Save image as a PNG file \overloading. - const CImg& save_png(std::FILE *const file, const unsigned int bytes_per_pixel=0) const { - return _save_png(file,0,bytes_per_pixel); - } - - const CImg& _save_png(std::FILE *const file, const char *const filename, - const unsigned int bytes_per_pixel=0) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_png(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - -#ifndef cimg_use_png - cimg::unused(bytes_per_pixel); - if (!file) return save_other(filename); - else throw CImgIOException(_cimg_instance - "save_png(): Unable to save data in '(*FILE)' unless libpng is enabled.", - cimg_instance); -#else - const char *volatile nfilename = filename; // two 'volatile' here to remove a g++ warning due to 'setjmp'. - std::FILE *volatile nfile = file?file:cimg::fopen(nfilename,"wb"); - volatile double stmin, stmax = (double)max_min(stmin); - - if (_depth>1) - cimg::warn(_cimg_instance - "save_png(): Instance is volumetric, only the first slice will be saved in file '%s'.", - cimg_instance, - filename); - - if (_spectrum>4) - cimg::warn(_cimg_instance - "save_png(): Instance is multispectral, only the three first channels will be saved in file '%s'.", - cimg_instance, - filename); - - if (stmin<0 || (bytes_per_pixel==1 && stmax>=256) || stmax>=65536) - cimg::warn(_cimg_instance - "save_png(): Instance has pixel values in [%g,%g], probable type overflow in file '%s'.", - cimg_instance, - filename,stmin,stmax); - - // Setup PNG structures for write - png_voidp user_error_ptr = 0; - png_error_ptr user_error_fn = 0, user_warning_fn = 0; - png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING,user_error_ptr, user_error_fn, - user_warning_fn); - if(!png_ptr){ - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "save_png(): Failed to initialize 'png_ptr' structure when saving file '%s'.", - cimg_instance, - nfilename?nfilename:"(FILE*)"); - } - png_infop info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) { - png_destroy_write_struct(&png_ptr,(png_infopp)0); - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "save_png(): Failed to initialize 'info_ptr' structure when saving file '%s'.", - cimg_instance, - nfilename?nfilename:"(FILE*)"); - } - if (setjmp(png_jmpbuf(png_ptr))) { - png_destroy_write_struct(&png_ptr, &info_ptr); - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "save_png(): Encountered unknown fatal error in libpng when saving file '%s'.", - cimg_instance, - nfilename?nfilename:"(FILE*)"); - } - png_init_io(png_ptr, nfile); - - const int bit_depth = bytes_per_pixel?(bytes_per_pixel*8):(stmax>=256?16:8); - - int color_type; - switch (spectrum()) { - case 1 : color_type = PNG_COLOR_TYPE_GRAY; break; - case 2 : color_type = PNG_COLOR_TYPE_GRAY_ALPHA; break; - case 3 : color_type = PNG_COLOR_TYPE_RGB; break; - default : color_type = PNG_COLOR_TYPE_RGB_ALPHA; - } - const int interlace_type = PNG_INTERLACE_NONE; - const int compression_type = PNG_COMPRESSION_TYPE_DEFAULT; - const int filter_method = PNG_FILTER_TYPE_DEFAULT; - png_set_IHDR(png_ptr,info_ptr,_width,_height,bit_depth,color_type,interlace_type,compression_type,filter_method); - png_write_info(png_ptr,info_ptr); - const int byte_depth = bit_depth>>3; - const int numChan = spectrum()>4?4:spectrum(); - const int pixel_bit_depth_flag = numChan * (bit_depth - 1); - - // Allocate Memory for Image Save and Fill pixel data - png_bytep *const imgData = new png_byte*[_height]; - for (unsigned int row = 0; row<_height; ++row) imgData[row] = new png_byte[byte_depth*numChan*_width]; - const T *pC0 = data(0,0,0,0); - switch (pixel_bit_depth_flag) { - case 7 : { // Gray 8-bit - cimg_forY(*this,y) { - unsigned char *ptrd = imgData[y]; - cimg_forX(*this,x) *(ptrd++) = (unsigned char)*(pC0++); - } - } break; - case 14 : { // Gray w/ Alpha 8-bit - const T *pC1 = data(0,0,0,1); - cimg_forY(*this,y) { - unsigned char *ptrd = imgData[y]; - cimg_forX(*this,x) { - *(ptrd++) = (unsigned char)*(pC0++); - *(ptrd++) = (unsigned char)*(pC1++); - } - } - } break; - case 21 : { // RGB 8-bit - const T *pC1 = data(0,0,0,1), *pC2 = data(0,0,0,2); - cimg_forY(*this,y) { - unsigned char *ptrd = imgData[y]; - cimg_forX(*this,x) { - *(ptrd++) = (unsigned char)*(pC0++); - *(ptrd++) = (unsigned char)*(pC1++); - *(ptrd++) = (unsigned char)*(pC2++); - } - } - } break; - case 28 : { // RGB x/ Alpha 8-bit - const T *pC1 = data(0,0,0,1), *pC2 = data(0,0,0,2), *pC3 = data(0,0,0,3); - cimg_forY(*this,y){ - unsigned char *ptrd = imgData[y]; - cimg_forX(*this,x){ - *(ptrd++) = (unsigned char)*(pC0++); - *(ptrd++) = (unsigned char)*(pC1++); - *(ptrd++) = (unsigned char)*(pC2++); - *(ptrd++) = (unsigned char)*(pC3++); - } - } - } break; - case 15 : { // Gray 16-bit - cimg_forY(*this,y){ - unsigned short *ptrd = (unsigned short*)(imgData[y]); - cimg_forX(*this,x) *(ptrd++) = (unsigned short)*(pC0++); - if (!cimg::endianness()) cimg::invert_endianness((unsigned short*)imgData[y],_width); - } - } break; - case 30 : { // Gray w/ Alpha 16-bit - const T *pC1 = data(0,0,0,1); - cimg_forY(*this,y){ - unsigned short *ptrd = (unsigned short*)(imgData[y]); - cimg_forX(*this,x) { - *(ptrd++) = (unsigned short)*(pC0++); - *(ptrd++) = (unsigned short)*(pC1++); - } - if (!cimg::endianness()) cimg::invert_endianness((unsigned short*)imgData[y],2*_width); - } - } break; - case 45 : { // RGB 16-bit - const T *pC1 = data(0,0,0,1), *pC2 = data(0,0,0,2); - cimg_forY(*this,y) { - unsigned short *ptrd = (unsigned short*)(imgData[y]); - cimg_forX(*this,x) { - *(ptrd++) = (unsigned short)*(pC0++); - *(ptrd++) = (unsigned short)*(pC1++); - *(ptrd++) = (unsigned short)*(pC2++); - } - if (!cimg::endianness()) cimg::invert_endianness((unsigned short*)imgData[y],3*_width); - } - } break; - case 60 : { // RGB w/ Alpha 16-bit - const T *pC1 = data(0,0,0,1), *pC2 = data(0,0,0,2), *pC3 = data(0,0,0,3); - cimg_forY(*this,y) { - unsigned short *ptrd = (unsigned short*)(imgData[y]); - cimg_forX(*this,x) { - *(ptrd++) = (unsigned short)*(pC0++); - *(ptrd++) = (unsigned short)*(pC1++); - *(ptrd++) = (unsigned short)*(pC2++); - *(ptrd++) = (unsigned short)*(pC3++); - } - if (!cimg::endianness()) cimg::invert_endianness((unsigned short*)imgData[y],4*_width); - } - } break; - default : - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimg_instance - "save_png(): Encountered unknown fatal error in libpng when saving file '%s'.", - cimg_instance, - nfilename?nfilename:"(FILE*)"); - } - png_write_image(png_ptr,imgData); - png_write_end(png_ptr,info_ptr); - png_destroy_write_struct(&png_ptr, &info_ptr); - - // Deallocate Image Write Memory - cimg_forY(*this,n) delete[] imgData[n]; - delete[] imgData; - - if (!file) cimg::fclose(nfile); - return *this; -#endif - } - - //! Save image as a PNM file. - /** - \param filename Filename, as a C-string. - \param bytes_per_pixel Force the number of bytes per pixels for the saving. - **/ - const CImg& save_pnm(const char *const filename, const unsigned int bytes_per_pixel=0) const { - return _save_pnm(0,filename,bytes_per_pixel); - } - - //! Save image as a PNM file \overloading. - const CImg& save_pnm(std::FILE *const file, const unsigned int bytes_per_pixel=0) const { - return _save_pnm(file,0,bytes_per_pixel); - } - - const CImg& _save_pnm(std::FILE *const file, const char *const filename, - const unsigned int bytes_per_pixel=0) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_pnm(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - - double stmin, stmax = (double)max_min(stmin); - if (_depth>1) - cimg::warn(_cimg_instance - "save_pnm(): Instance is volumetric, only the first slice will be saved in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - if (_spectrum>3) - cimg::warn(_cimg_instance - "save_pnm(): Instance is multispectral, only the three first channels will be saved in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - if (stmin<0 || (bytes_per_pixel==1 && stmax>=256) || stmax>=65536) - cimg::warn(_cimg_instance - "save_pnm(): Instance has pixel values in [%g,%g], probable type overflow in file '%s'.", - cimg_instance, - stmin,stmax,filename?filename:"(FILE*)"); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - const T - *ptr_r = data(0,0,0,0), - *ptr_g = (_spectrum>=2)?data(0,0,0,1):0, - *ptr_b = (_spectrum>=3)?data(0,0,0,2):0; - const unsigned long buf_size = cimg::min(1024*1024UL,_width*_height*(_spectrum==1?1UL:3UL)); - - std::fprintf(nfile,"P%c\n%u %u\n%u\n", - (_spectrum==1?'5':'6'),_width,_height,stmax<256?255:(stmax<4096?4095:65535)); - - switch (_spectrum) { - case 1 : { // Scalar image - if (bytes_per_pixel==1 || (!bytes_per_pixel && stmax<256)) { // Binary PGM 8 bits - CImg buf(buf_size); - for (long to_write = width()*height(); to_write>0; ) { - const unsigned long N = cimg::min((unsigned long)to_write,buf_size); - unsigned char *ptrd = buf._data; - for (unsigned long i = N; i>0; --i) *(ptrd++) = (unsigned char)*(ptr_r++); - cimg::fwrite(buf._data,N,nfile); - to_write-=N; - } - } else { // Binary PGM 16 bits - CImg buf(buf_size); - for (long to_write = width()*height(); to_write>0; ) { - const unsigned long N = cimg::min((unsigned long)to_write,buf_size); - unsigned short *ptrd = buf._data; - for (unsigned long i = N; i>0; --i) *(ptrd++) = (unsigned short)*(ptr_r++); - if (!cimg::endianness()) cimg::invert_endianness(buf._data,buf_size); - cimg::fwrite(buf._data,N,nfile); - to_write-=N; - } - } - } break; - case 2 : { // RG image - if (bytes_per_pixel==1 || (!bytes_per_pixel && stmax<256)) { // Binary PPM 8 bits - CImg buf(buf_size); - for (long to_write = width()*height(); to_write>0; ) { - const unsigned long N = cimg::min((unsigned long)to_write,buf_size/3); - unsigned char *ptrd = buf._data; - for (unsigned long i = N; i>0; --i) { - *(ptrd++) = (unsigned char)*(ptr_r++); - *(ptrd++) = (unsigned char)*(ptr_g++); - *(ptrd++) = 0; - } - cimg::fwrite(buf._data,3*N,nfile); - to_write-=N; - } - } else { // Binary PPM 16 bits - CImg buf(buf_size); - for (long to_write = width()*height(); to_write>0; ) { - const unsigned long N = cimg::min((unsigned long)to_write,buf_size/3); - unsigned short *ptrd = buf._data; - for (unsigned long i = N; i>0; --i) { - *(ptrd++) = (unsigned short)*(ptr_r++); - *(ptrd++) = (unsigned short)*(ptr_g++); - *(ptrd++) = 0; - } - if (!cimg::endianness()) cimg::invert_endianness(buf._data,buf_size); - cimg::fwrite(buf._data,3*N,nfile); - to_write-=N; - } - } - } break; - default : { // RGB image - if (bytes_per_pixel==1 || (!bytes_per_pixel && stmax<256)) { // Binary PPM 8 bits - CImg buf(buf_size); - for (long to_write = width()*height(); to_write>0; ) { - const unsigned long N = cimg::min((unsigned long)to_write,buf_size/3); - unsigned char *ptrd = buf._data; - for (unsigned long i = N; i>0; --i) { - *(ptrd++) = (unsigned char)*(ptr_r++); - *(ptrd++) = (unsigned char)*(ptr_g++); - *(ptrd++) = (unsigned char)*(ptr_b++); - } - cimg::fwrite(buf._data,3*N,nfile); - to_write-=N; - } - } else { // Binary PPM 16 bits - CImg buf(buf_size); - for (long to_write = width()*height(); to_write>0; ) { - const unsigned long N = cimg::min((unsigned long)to_write,buf_size/3); - unsigned short *ptrd = buf._data; - for (unsigned long i = N; i>0; --i) { - *(ptrd++) = (unsigned short)*(ptr_r++); - *(ptrd++) = (unsigned short)*(ptr_g++); - *(ptrd++) = (unsigned short)*(ptr_b++); - } - if (!cimg::endianness()) cimg::invert_endianness(buf._data,buf_size); - cimg::fwrite(buf._data,3*N,nfile); - to_write-=N; - } - } - } - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save image as a PNK file. - /** - \param filename Filename, as a C-string. - **/ - const CImg& save_pnk(const char *const filename) const { - return _save_pnk(0,filename); - } - - //! Save image as a PNK file \overloading. - const CImg& save_pnk(std::FILE *const file) const { - return _save_pnk(file,0); - } - - const CImg& _save_pnk(std::FILE *const file, const char *const filename) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_pnk(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - if (_spectrum>1) - cimg::warn(_cimg_instance - "save_pnk(): Instance is multispectral, only the first channel will be saved in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - - const unsigned long buf_size = cimg::min(1024*1024LU,_width*_height*_depth); - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - const T *ptr = data(0,0,0,0); - - if (!cimg::type::is_float() && sizeof(T)==1 && _depth<2) // Can be saved as regular PNM file. - _save_pnm(file,filename,0); - else if (!cimg::type::is_float() && sizeof(T)==1) { // Save as extended P5 file: Binary byte-valued 3d. - std::fprintf(nfile,"P5\n%u %u %u\n255\n",_width,_height,_depth); - CImg buf(buf_size); - for (long to_write = width()*height()*depth(); to_write>0; ) { - const unsigned long N = cimg::min((unsigned long)to_write,buf_size); - unsigned char *ptrd = buf._data; - for (unsigned long i = N; i>0; --i) *(ptrd++) = (unsigned char)*(ptr++); - cimg::fwrite(buf._data,N,nfile); - to_write-=N; - } - } else if (!cimg::type::is_float()) { // Save as P8: Binary int32-valued 3d. - if (_depth>1) std::fprintf(nfile,"P8\n%u %u %u\n%d\n",_width,_height,_depth,(int)max()); - else std::fprintf(nfile,"P8\n%u %u\n%d\n",_width,_height,(int)max()); - CImg buf(buf_size); - for (long to_write = width()*height()*depth(); to_write>0; ) { - const unsigned long N = cimg::min((unsigned long)to_write,buf_size); - int *ptrd = buf._data; - for (unsigned long i = N; i>0; --i) *(ptrd++) = (int)*(ptr++); - cimg::fwrite(buf._data,N,nfile); - to_write-=N; - } - } else { // Save as P9: Binary float-valued 3d. - if (_depth>1) std::fprintf(nfile,"P9\n%u %u %u\n%g\n",_width,_height,_depth,(double)max()); - else std::fprintf(nfile,"P9\n%u %u\n%g\n",_width,_height,(double)max()); - CImg buf(buf_size); - for (long to_write = width()*height()*depth(); to_write>0; ) { - const unsigned long N = cimg::min((unsigned long)to_write,buf_size); - float *ptrd = buf._data; - for (unsigned long i = N; i>0; --i) *(ptrd++) = (float)*(ptr++); - cimg::fwrite(buf._data,N,nfile); - to_write-=N; - } - } - - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save image as a PFM file. - /** - \param filename Filename, as a C-string. - **/ - const CImg& save_pfm(const char *const filename) const { - get_mirror('y')._save_pfm(0,filename); - return *this; - } - - //! Save image as a PFM file \overloading. - const CImg& save_pfm(std::FILE *const file) const { - get_mirror('y')._save_pfm(file,0); - return *this; - } - - const CImg& _save_pfm(std::FILE *const file, const char *const filename) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_pfm(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - if (_depth>1) - cimg::warn(_cimg_instance - "save_pfm(): Instance is volumetric, only the first slice will be saved in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - if (_spectrum>3) - cimg::warn(_cimg_instance - "save_pfm(): image instance is multispectral, only the three first channels will be saved " - "in file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - const T - *ptr_r = data(0,0,0,0), - *ptr_g = (_spectrum>=2)?data(0,0,0,1):0, - *ptr_b = (_spectrum>=3)?data(0,0,0,2):0; - const unsigned int buf_size = cimg::min(1024*1024U,_width*_height*(_spectrum==1?1:3)); - - std::fprintf(nfile,"P%c\n%u %u\n1.0\n", - (_spectrum==1?'f':'F'),_width,_height); - - switch (_spectrum) { - case 1 : { // Scalar image - CImg buf(buf_size); - for (long to_write = width()*height(); to_write>0; ) { - const unsigned long N = cimg::min((unsigned long)to_write,buf_size); - float *ptrd = buf._data; - for (unsigned long i = N; i>0; --i) *(ptrd++) = (float)*(ptr_r++); - if (!cimg::endianness()) cimg::invert_endianness(buf._data,buf_size); - cimg::fwrite(buf._data,N,nfile); - to_write-=N; - } - } break; - case 2 : { // RG image - CImg buf(buf_size); - for (long to_write = width()*height(); to_write>0; ) { - const unsigned int N = cimg::min((unsigned int)to_write,buf_size/3); - float *ptrd = buf._data; - for (unsigned long i = N; i>0; --i) { - *(ptrd++) = (float)*(ptr_r++); - *(ptrd++) = (float)*(ptr_g++); - *(ptrd++) = 0; - } - if (!cimg::endianness()) cimg::invert_endianness(buf._data,buf_size); - cimg::fwrite(buf._data,3*N,nfile); - to_write-=N; - } - } break; - default : { // RGB image - CImg buf(buf_size); - for (long to_write = width()*height(); to_write>0; ) { - const unsigned int N = cimg::min((unsigned int)to_write,buf_size/3); - float *ptrd = buf._data; - for (unsigned long i = N; i>0; --i) { - *(ptrd++) = (float)*(ptr_r++); - *(ptrd++) = (float)*(ptr_g++); - *(ptrd++) = (float)*(ptr_b++); - } - if (!cimg::endianness()) cimg::invert_endianness(buf._data,buf_size); - cimg::fwrite(buf._data,3*N,nfile); - to_write-=N; - } - } - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save image as a RGB file. - /** - \param filename Filename, as a C-string. - **/ - const CImg& save_rgb(const char *const filename) const { - return _save_rgb(0,filename); - } - - //! Save image as a RGB file \overloading. - const CImg& save_rgb(std::FILE *const file) const { - return _save_rgb(file,0); - } - - const CImg& _save_rgb(std::FILE *const file, const char *const filename) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_rgb(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - if (_spectrum!=3) - cimg::warn(_cimg_instance - "save_rgb(): image instance has not exactly 3 channels, for file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - const unsigned long wh = (unsigned long)_width*_height; - unsigned char *const buffer = new unsigned char[3*wh], *nbuffer = buffer; - const T - *ptr1 = data(0,0,0,0), - *ptr2 = _spectrum>1?data(0,0,0,1):0, - *ptr3 = _spectrum>2?data(0,0,0,2):0; - switch (_spectrum) { - case 1 : { // Scalar image - for (unsigned long k = 0; k& save_rgba(const char *const filename) const { - return _save_rgba(0,filename); - } - - //! Save image as a RGBA file \overloading. - const CImg& save_rgba(std::FILE *const file) const { - return _save_rgba(file,0); - } - - const CImg& _save_rgba(std::FILE *const file, const char *const filename) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_rgba(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - if (_spectrum!=4) - cimg::warn(_cimg_instance - "save_rgba(): image instance has not exactly 4 channels, for file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - const unsigned long wh = (unsigned long)_width*_height; - unsigned char *const buffer = new unsigned char[4*wh], *nbuffer = buffer; - const T - *ptr1 = data(0,0,0,0), - *ptr2 = _spectrum>1?data(0,0,0,1):0, - *ptr3 = _spectrum>2?data(0,0,0,2):0, - *ptr4 = _spectrum>3?data(0,0,0,3):0; - switch (_spectrum) { - case 1 : { // Scalar images - for (unsigned long k = 0; k{ 0=None | 1=LZW | 2=JPEG }. - \note - - libtiff support is enabled by defining the precompilation - directive \c cimg_use_tif. - - When libtiff is enabled, 2D and 3D (multipage) several - channel per pixel are supported for - char,uchar,short,ushort,float and \c double pixel types. - - If \c cimg_use_tif is not defined at compile time the - function uses CImg&save_other(const char*). - **/ - const CImg& save_tiff(const char *const filename, const unsigned int compression_type=0, - const float *const voxel_size=0, const char *const description=0, - const bool use_bigtiff=true) const { - if (!filename) - throw CImgArgumentException(_cimg_instance - "save_tiff(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - -#ifdef cimg_use_tiff - const bool - _use_bigtiff = use_bigtiff && sizeof(uptrT)>=8 && size()*sizeof(T)>=1UL<<31; // No bigtiff for small images. - TIFF *tif = TIFFOpen(filename,_use_bigtiff?"w8":"w4"); - if (tif) { - cimg_forZ(*this,z) _save_tiff(tif,z,z,compression_type,voxel_size,description); - TIFFClose(tif); - } else throw CImgIOException(_cimg_instance - "save_tiff(): Failed to open file '%s' for writing.", - cimg_instance, - filename); - return *this; -#else - cimg::unused(compression_type,voxel_size,description,use_bigtiff); - return save_other(filename); -#endif - } - -#ifdef cimg_use_tiff - -#define _cimg_save_tiff(types,typed,compression_type) if (!std::strcmp(types,pixel_type())) { \ - const typed foo = (typed)0; return _save_tiff(tif,directory,z,foo,compression_type,voxel_size,description); } - - // [internal] Save a plane into a tiff file - template - const CImg& _save_tiff(TIFF *tif, const unsigned int directory, const unsigned int z, const t& pixel_t, - const unsigned int compression_type, const float *const voxel_size, - const char *const description) const { - if (is_empty() || !tif || pixel_t) return *this; - const char *const filename = TIFFFileName(tif); - uint32 rowsperstrip = (uint32)-1; - uint16 spp = _spectrum, bpp = sizeof(t)*8, photometric; - if (spp==3 || spp==4) photometric = PHOTOMETRIC_RGB; - else photometric = PHOTOMETRIC_MINISBLACK; - TIFFSetDirectory(tif,directory); - TIFFSetField(tif,TIFFTAG_IMAGEWIDTH,_width); - TIFFSetField(tif,TIFFTAG_IMAGELENGTH,_height); - if (voxel_size) { - const float vx = voxel_size[0], vy = voxel_size[1], vz = voxel_size[2]; - TIFFSetField(tif,TIFFTAG_RESOLUTIONUNIT,RESUNIT_NONE); - TIFFSetField(tif,TIFFTAG_XRESOLUTION,1.0f/vx); - TIFFSetField(tif,TIFFTAG_YRESOLUTION,1.0f/vy); - CImg s_description(256); - cimg_snprintf(s_description,s_description._width,"VX=%g VY=%g VZ=%g spacing=%g",vx,vy,vz,vz); - TIFFSetField(tif,TIFFTAG_IMAGEDESCRIPTION,s_description.data()); - } - if (description) TIFFSetField(tif,TIFFTAG_IMAGEDESCRIPTION,description); - TIFFSetField(tif,TIFFTAG_ORIENTATION,ORIENTATION_TOPLEFT); - TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,spp); - if (cimg::type::is_float()) TIFFSetField(tif,TIFFTAG_SAMPLEFORMAT,3); - else if (cimg::type::min()==0) TIFFSetField(tif,TIFFTAG_SAMPLEFORMAT,1); - else TIFFSetField(tif,TIFFTAG_SAMPLEFORMAT,2); - TIFFSetField(tif,TIFFTAG_BITSPERSAMPLE,bpp); - TIFFSetField(tif,TIFFTAG_PLANARCONFIG,PLANARCONFIG_CONTIG); - TIFFSetField(tif,TIFFTAG_PHOTOMETRIC,photometric); - TIFFSetField(tif,TIFFTAG_COMPRESSION,compression_type==2?COMPRESSION_JPEG: - compression_type==1?COMPRESSION_LZW:COMPRESSION_NONE); - rowsperstrip = TIFFDefaultStripSize(tif,rowsperstrip); - TIFFSetField(tif,TIFFTAG_ROWSPERSTRIP,rowsperstrip); - TIFFSetField(tif,TIFFTAG_FILLORDER,FILLORDER_MSB2LSB); - TIFFSetField(tif,TIFFTAG_SOFTWARE,"CImg"); - t *const buf = (t*)_TIFFmalloc(TIFFStripSize(tif)); - if (buf) { - for (unsigned int row = 0; row<_height; row+=rowsperstrip) { - uint32 nrow = (row + rowsperstrip>_height?_height - row:rowsperstrip); - tstrip_t strip = TIFFComputeStrip(tif,row,0); - tsize_t i = 0; - for (unsigned int rr = 0; rr& _save_tiff(TIFF *tif, const unsigned int directory, const unsigned int z, - const unsigned int compression_type, const float *const voxel_size, - const char *const description) const { - _cimg_save_tiff("bool",unsigned char,compression_type); - _cimg_save_tiff("char",char,compression_type); - _cimg_save_tiff("unsigned char",unsigned char,compression_type); - _cimg_save_tiff("short",short,compression_type); - _cimg_save_tiff("unsigned short",unsigned short,compression_type); - _cimg_save_tiff("int",int,compression_type); - _cimg_save_tiff("unsigned int",unsigned int,compression_type); - _cimg_save_tiff("long",int,compression_type); - _cimg_save_tiff("unsigned long",unsigned int,compression_type); - _cimg_save_tiff("float",float,compression_type); - _cimg_save_tiff("double",float,compression_type); - const char *const filename = TIFFFileName(tif); - throw CImgInstanceException(_cimg_instance - "save_tiff(): Unsupported pixel type '%s' for file '%s'.", - cimg_instance, - pixel_type(),filename?filename:"(FILE*)"); - return *this; - } -#endif - - //! Save image as a MINC2 file. - /** - \param filename Filename, as a C-string. - \param imitate_file If non-zero, reference filename, as a C-string, to borrow header from. - **/ - const CImg& save_minc2(const char *const filename, - const char *const imitate_file=0) const { - if (!filename) - throw CImgArgumentException(_cimg_instance - "save_minc2(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - -#ifndef cimg_use_minc2 - cimg::unused(imitate_file); - return save_other(filename); -#else - minc::minc_1_writer wtr; - if (imitate_file) - wtr.open(filename, imitate_file); - else { - minc::minc_info di; - if(width()) di.push_back(minc::dim_info(width(),width()*0.5,-1,minc::dim_info::DIM_X)); - if(height()) di.push_back(minc::dim_info(height(),height()*0.5,-1,minc::dim_info::DIM_Y)); - if(depth()) di.push_back(minc::dim_info(depth(),depth()*0.5,-1,minc::dim_info::DIM_Z)); - if(spectrum()) di.push_back(minc::dim_info(spectrum(),spectrum()*0.5,-1,minc::dim_info::DIM_TIME)); - wtr.open(filename,di,1,NC_FLOAT,0); - } - if(typeid(T)==typeid(unsigned char)) - wtr.setup_write_byte(); - else if(typeid(T)==typeid(int)) - wtr.setup_write_int(); - else if(typeid(T)==typeid(double)) - wtr.setup_write_double(); - else - wtr.setup_write_float(); - minc::save_standard_volume(wtr, this->_data); - return *this; -#endif - } - - //! Save image as an ANALYZE7.5 or NIFTI file. - /** - \param filename Filename, as a C-string. - \param voxel_size Pointer to 3 consecutive values that tell about the voxel sizes along the X,Y and Z dimensions. - **/ - const CImg& save_analyze(const char *const filename, const float *const voxel_size=0) const { - if (!filename) - throw CImgArgumentException(_cimg_instance - "save_analyze(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - - std::FILE *file; - CImg header(348,1,1,1,0), hname(1024), iname(1024); - const char *const ext = cimg::split_filename(filename); - short datatype = -1; - if (!*ext) { - cimg_snprintf(hname,hname._width,"%s.hdr",filename); - cimg_snprintf(iname,iname._width,"%s.img",filename); - } - if (!cimg::strncasecmp(ext,"hdr",3)) { - std::strcpy(hname,filename); - std::strncpy(iname,filename,iname._width - 1); - cimg_sprintf(iname._data + std::strlen(iname) - 3,"img"); - } - if (!cimg::strncasecmp(ext,"img",3)) { - std::strcpy(hname,filename); - std::strncpy(iname,filename,iname._width - 1); - cimg_sprintf(hname._data + std::strlen(iname) - 3,"hdr"); - } - if (!cimg::strncasecmp(ext,"nii",3)) { - std::strncpy(hname,filename,hname._width - 1); *iname = 0; - } - int *const iheader = (int*)header._data; - *iheader = 348; - std::strcpy(header._data + 4,"CImg"); - std::strcpy(header._data + 14," "); - ((short*)&(header[36]))[0] = 4096; - ((char*)&(header[38]))[0] = 114; - ((short*)&(header[40]))[0] = 4; - ((short*)&(header[40]))[1] = (short)_width; - ((short*)&(header[40]))[2] = (short)_height; - ((short*)&(header[40]))[3] = (short)_depth; - ((short*)&(header[40]))[4] = (short)_spectrum; - if (!cimg::strcasecmp(pixel_type(),"bool")) datatype = 2; - if (!cimg::strcasecmp(pixel_type(),"unsigned char")) datatype = 2; - if (!cimg::strcasecmp(pixel_type(),"char")) datatype = 2; - if (!cimg::strcasecmp(pixel_type(),"unsigned short")) datatype = 4; - if (!cimg::strcasecmp(pixel_type(),"short")) datatype = 4; - if (!cimg::strcasecmp(pixel_type(),"unsigned int")) datatype = 8; - if (!cimg::strcasecmp(pixel_type(),"int")) datatype = 8; - if (!cimg::strcasecmp(pixel_type(),"unsigned long")) datatype = 8; - if (!cimg::strcasecmp(pixel_type(),"long")) datatype = 8; - if (!cimg::strcasecmp(pixel_type(),"float")) datatype = 16; - if (!cimg::strcasecmp(pixel_type(),"double")) datatype = 64; - if (datatype<0) - throw CImgIOException(_cimg_instance - "save_analyze(): Unsupported pixel type '%s' for file '%s'.", - cimg_instance, - pixel_type(),filename); - - ((short*)&(header[70]))[0] = datatype; - ((short*)&(header[72]))[0] = sizeof(T); - ((float*)&(header[112]))[0] = 1; - ((float*)&(header[76]))[0] = 0; - if (voxel_size) { - ((float*)&(header[76]))[1] = voxel_size[0]; - ((float*)&(header[76]))[2] = voxel_size[1]; - ((float*)&(header[76]))[3] = voxel_size[2]; - } else ((float*)&(header[76]))[1] = ((float*)&(header[76]))[2] = ((float*)&(header[76]))[3] = 1; - file = cimg::fopen(hname,"wb"); - cimg::fwrite(header._data,348,file); - if (*iname) { cimg::fclose(file); file = cimg::fopen(iname,"wb"); } - cimg::fwrite(_data,size(),file); - cimg::fclose(file); - return *this; - } - - //! Save image as a .cimg file. - /** - \param filename Filename, as a C-string. - \param is_compressed Tells if the file contains compressed image data. - **/ - const CImg& save_cimg(const char *const filename, const bool is_compressed=false) const { - CImgList(*this,true).save_cimg(filename,is_compressed); - return *this; - } - - //! Save image as a .cimg file \overloading. - const CImg& save_cimg(std::FILE *const file, const bool is_compressed=false) const { - CImgList(*this,true).save_cimg(file,is_compressed); - return *this; - } - - //! Save image as a sub-image into an existing .cimg file. - /** - \param filename Filename, as a C-string. - \param n0 Index of the image inside the file. - \param x0 X-coordinate of the sub-image location. - \param y0 Y-coordinate of the sub-image location. - \param z0 Z-coordinate of the sub-image location. - \param c0 C-coordinate of the sub-image location. - **/ - const CImg& save_cimg(const char *const filename, - const unsigned int n0, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0) const { - CImgList(*this,true).save_cimg(filename,n0,x0,y0,z0,c0); - return *this; - } - - //! Save image as a sub-image into an existing .cimg file \overloading. - const CImg& save_cimg(std::FILE *const file, - const unsigned int n0, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0) const { - CImgList(*this,true).save_cimg(file,n0,x0,y0,z0,c0); - return *this; - } - - //! Save blank image as a .cimg file. - /** - \param filename Filename, as a C-string. - \param dx Width of the image. - \param dy Height of the image. - \param dz Depth of the image. - \param dc Number of channels of the image. - \note - - All pixel values of the saved image are set to \c 0. - - Use this method to save large images without having to instanciate and allocate them. - **/ - static void save_empty_cimg(const char *const filename, - const unsigned int dx, const unsigned int dy=1, - const unsigned int dz=1, const unsigned int dc=1) { - return CImgList::save_empty_cimg(filename,1,dx,dy,dz,dc); - } - - //! Save blank image as a .cimg file \overloading. - /** - Same as save_empty_cimg(const char *,unsigned int,unsigned int,unsigned int,unsigned int) - with a file stream argument instead of a filename string. - **/ - static void save_empty_cimg(std::FILE *const file, - const unsigned int dx, const unsigned int dy=1, - const unsigned int dz=1, const unsigned int dc=1) { - return CImgList::save_empty_cimg(file,1,dx,dy,dz,dc); - } - - //! Save image as an INRIMAGE-4 file. - /** - \param filename Filename, as a C-string. - \param voxel_size Pointer to 3 values specifying the voxel sizes along the X,Y and Z dimensions. - **/ - const CImg& save_inr(const char *const filename, const float *const voxel_size=0) const { - return _save_inr(0,filename,voxel_size); - } - - //! Save image as an INRIMAGE-4 file \overloading. - const CImg& save_inr(std::FILE *const file, const float *const voxel_size=0) const { - return _save_inr(file,0,voxel_size); - } - - const CImg& _save_inr(std::FILE *const file, const char *const filename, const float *const voxel_size) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_inr(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - - int inrpixsize = -1; - const char *inrtype = "unsigned fixed\nPIXSIZE=8 bits\nSCALE=2**0"; - if (!cimg::strcasecmp(pixel_type(),"unsigned char")) { - inrtype = "unsigned fixed\nPIXSIZE=8 bits\nSCALE=2**0"; inrpixsize = 1; - } - if (!cimg::strcasecmp(pixel_type(),"char")) { - inrtype = "fixed\nPIXSIZE=8 bits\nSCALE=2**0"; inrpixsize = 1; - } - if (!cimg::strcasecmp(pixel_type(),"unsigned short")) { - inrtype = "unsigned fixed\nPIXSIZE=16 bits\nSCALE=2**0";inrpixsize = 2; - } - if (!cimg::strcasecmp(pixel_type(),"short")) { - inrtype = "fixed\nPIXSIZE=16 bits\nSCALE=2**0"; inrpixsize = 2; - } - if (!cimg::strcasecmp(pixel_type(),"unsigned int")) { - inrtype = "unsigned fixed\nPIXSIZE=32 bits\nSCALE=2**0";inrpixsize = 4; - } - if (!cimg::strcasecmp(pixel_type(),"int")) { - inrtype = "fixed\nPIXSIZE=32 bits\nSCALE=2**0"; inrpixsize = 4; - } - if (!cimg::strcasecmp(pixel_type(),"float")) { - inrtype = "float\nPIXSIZE=32 bits"; inrpixsize = 4; - } - if (!cimg::strcasecmp(pixel_type(),"double")) { - inrtype = "float\nPIXSIZE=64 bits"; inrpixsize = 8; - } - if (inrpixsize<=0) - throw CImgIOException(_cimg_instance - "save_inr(): Unsupported pixel type '%s' for file '%s'", - cimg_instance, - pixel_type(),filename?filename:"(FILE*)"); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - CImg header(257); - int err = cimg_snprintf(header,header._width,"#INRIMAGE-4#{\nXDIM=%u\nYDIM=%u\nZDIM=%u\nVDIM=%u\n", - _width,_height,_depth,_spectrum); - if (voxel_size) err+=cimg_sprintf(header._data + err,"VX=%g\nVY=%g\nVZ=%g\n", - voxel_size[0],voxel_size[1],voxel_size[2]); - err+=cimg_sprintf(header._data + err,"TYPE=%s\nCPU=%s\n",inrtype,cimg::endianness()?"sun":"decm"); - std::memset(header._data + err,'\n',252 - err); - std::memcpy(header._data + 252,"##}\n",4); - cimg::fwrite(header._data,256,nfile); - cimg_forXYZ(*this,x,y,z) cimg_forC(*this,c) cimg::fwrite(&((*this)(x,y,z,c)),1,nfile); - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save image as an OpenEXR file. - /** - \param filename Filename, as a C-string. - \note The OpenEXR file format is described here. - **/ - const CImg& save_exr(const char *const filename) const { - if (!filename) - throw CImgArgumentException(_cimg_instance - "save_exr(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - if (_depth>1) - cimg::warn(_cimg_instance - "save_exr(): Instance is volumetric, only the first slice will be saved in file '%s'.", - cimg_instance, - filename); - -#ifndef cimg_use_openexr - return save_other(filename); -#else - Imf::Rgba *const ptrd0 = new Imf::Rgba[(unsigned long)_width*_height], *ptrd = ptrd0, rgba; - switch (_spectrum) { - case 1 : { // Grayscale image. - for (const T *ptr_r = data(), *const ptr_e = ptr_r + (unsigned long)_width*_height; ptr_rPandore file specifications - for more information). - **/ - const CImg& save_pandore(const char *const filename, const unsigned int colorspace=0) const { - return _save_pandore(0,filename,colorspace); - } - - //! Save image as a Pandore-5 file \overloading. - /** - Same as save_pandore(const char *,unsigned int) const - with a file stream argument instead of a filename string. - **/ - const CImg& save_pandore(std::FILE *const file, const unsigned int colorspace=0) const { - return _save_pandore(file,0,colorspace); - } - - unsigned int _save_pandore_header_length(unsigned int id, unsigned int *dims, const unsigned int colorspace) const { - unsigned int nbdims = 0; - if (id==2 || id==3 || id==4) { - dims[0] = 1; dims[1] = _width; nbdims = 2; - } - if (id==5 || id==6 || id==7) { - dims[0] = 1; dims[1] = _height; dims[2] = _width; nbdims=3; - } - if (id==8 || id==9 || id==10) { - dims[0] = _spectrum; dims[1] = _depth; dims[2] = _height; dims[3] = _width; nbdims = 4; - } - if (id==16 || id==17 || id==18) { - dims[0] = 3; dims[1] = _height; dims[2] = _width; dims[3] = colorspace; nbdims = 4; - } - if (id==19 || id==20 || id==21) { - dims[0] = 3; dims[1] = _depth; dims[2] = _height; dims[3] = _width; dims[4] = colorspace; nbdims = 5; - } - if (id==22 || id==23 || id==25) { - dims[0] = _spectrum; dims[1] = _width; nbdims = 2; - } - if (id==26 || id==27 || id==29) { - dims[0] = _spectrum; dims[1] = _height; dims[2] = _width; nbdims=3; - } - if (id==30 || id==31 || id==33) { - dims[0] = _spectrum; dims[1] = _depth; dims[2] = _height; dims[3] = _width; nbdims = 4; - } - return nbdims; - } - - const CImg& _save_pandore(std::FILE *const file, const char *const filename, - const unsigned int colorspace) const { - -#define __cimg_save_pandore_case(dtype) \ - dtype *buffer = new dtype[size()]; \ - const T *ptrs = _data; \ - cimg_foroff(*this,off) *(buffer++) = (dtype)(*(ptrs++)); \ - buffer-=size(); \ - cimg::fwrite(buffer,size(),nfile); \ - delete[] buffer - -#define _cimg_save_pandore_case(sy,sz,sv,stype,id) \ - if (!saved && (sy?(sy==_height):true) && (sz?(sz==_depth):true) && \ - (sv?(sv==_spectrum):true) && !std::strcmp(stype,pixel_type())) { \ - unsigned int *iheader = (unsigned int*)(header + 12); \ - nbdims = _save_pandore_header_length((*iheader=id),dims,colorspace); \ - cimg::fwrite(header,36,nfile); \ - if (sizeof(unsigned long)==4) { CImg ndims(5); \ - for (int d = 0; d<5; ++d) ndims[d] = (unsigned long)dims[d]; cimg::fwrite(ndims._data,nbdims,nfile); } \ - else if (sizeof(unsigned int)==4) { CImg ndims(5); \ - for (int d = 0; d<5; ++d) ndims[d] = (unsigned int)dims[d]; cimg::fwrite(ndims._data,nbdims,nfile); } \ - else if (sizeof(unsigned short)==4) { CImg ndims(5); \ - for (int d = 0; d<5; ++d) ndims[d] = (unsigned short)dims[d]; cimg::fwrite(ndims._data,nbdims,nfile); } \ - else throw CImgIOException(_cimg_instance \ - "save_pandore(): Unsupported datatype for file '%s'.",\ - cimg_instance, \ - filename?filename:"(FILE*)"); \ - if (id==2 || id==5 || id==8 || id==16 || id==19 || id==22 || id==26 || id==30) { \ - __cimg_save_pandore_case(unsigned char); \ - } else if (id==3 || id==6 || id==9 || id==17 || id==20 || id==23 || id==27 || id==31) { \ - if (sizeof(unsigned long)==4) { __cimg_save_pandore_case(unsigned long); } \ - else if (sizeof(unsigned int)==4) { __cimg_save_pandore_case(unsigned int); } \ - else if (sizeof(unsigned short)==4) { __cimg_save_pandore_case(unsigned short); } \ - else throw CImgIOException(_cimg_instance \ - "save_pandore(): Unsupported datatype for file '%s'.",\ - cimg_instance, \ - filename?filename:"(FILE*)"); \ - } else if (id==4 || id==7 || id==10 || id==18 || id==21 || id==25 || id==29 || id==33) { \ - if (sizeof(double)==4) { __cimg_save_pandore_case(double); } \ - else if (sizeof(float)==4) { __cimg_save_pandore_case(float); } \ - else throw CImgIOException(_cimg_instance \ - "save_pandore(): Unsupported datatype for file '%s'.",\ - cimg_instance, \ - filename?filename:"(FILE*)"); \ - } \ - saved = true; \ - } - - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_pandore(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - unsigned char header[36] = { 'P','A','N','D','O','R','E','0','4',0,0,0, - 0,0,0,0,'C','I','m','g',0,0,0,0,0, - 'N','o',' ','d','a','t','e',0,0,0,0 }; - unsigned int nbdims, dims[5] = { 0 }; - bool saved = false; - _cimg_save_pandore_case(1,1,1,"unsigned char",2); - _cimg_save_pandore_case(1,1,1,"char",3); - _cimg_save_pandore_case(1,1,1,"short",3); - _cimg_save_pandore_case(1,1,1,"unsigned short",3); - _cimg_save_pandore_case(1,1,1,"unsigned int",3); - _cimg_save_pandore_case(1,1,1,"int",3); - _cimg_save_pandore_case(1,1,1,"unsigned long",4); - _cimg_save_pandore_case(1,1,1,"long",3); - _cimg_save_pandore_case(1,1,1,"float",4); - _cimg_save_pandore_case(1,1,1,"double",4); - - _cimg_save_pandore_case(0,1,1,"unsigned char",5); - _cimg_save_pandore_case(0,1,1,"char",6); - _cimg_save_pandore_case(0,1,1,"short",6); - _cimg_save_pandore_case(0,1,1,"unsigned short",6); - _cimg_save_pandore_case(0,1,1,"unsigned int",6); - _cimg_save_pandore_case(0,1,1,"int",6); - _cimg_save_pandore_case(0,1,1,"unsigned long",7); - _cimg_save_pandore_case(0,1,1,"long",6); - _cimg_save_pandore_case(0,1,1,"float",7); - _cimg_save_pandore_case(0,1,1,"double",7); - - _cimg_save_pandore_case(0,0,1,"unsigned char",8); - _cimg_save_pandore_case(0,0,1,"char",9); - _cimg_save_pandore_case(0,0,1,"short",9); - _cimg_save_pandore_case(0,0,1,"unsigned short",9); - _cimg_save_pandore_case(0,0,1,"unsigned int",9); - _cimg_save_pandore_case(0,0,1,"int",9); - _cimg_save_pandore_case(0,0,1,"unsigned long",10); - _cimg_save_pandore_case(0,0,1,"long",9); - _cimg_save_pandore_case(0,0,1,"float",10); - _cimg_save_pandore_case(0,0,1,"double",10); - - _cimg_save_pandore_case(0,1,3,"unsigned char",16); - _cimg_save_pandore_case(0,1,3,"char",17); - _cimg_save_pandore_case(0,1,3,"short",17); - _cimg_save_pandore_case(0,1,3,"unsigned short",17); - _cimg_save_pandore_case(0,1,3,"unsigned int",17); - _cimg_save_pandore_case(0,1,3,"int",17); - _cimg_save_pandore_case(0,1,3,"unsigned long",18); - _cimg_save_pandore_case(0,1,3,"long",17); - _cimg_save_pandore_case(0,1,3,"float",18); - _cimg_save_pandore_case(0,1,3,"double",18); - - _cimg_save_pandore_case(0,0,3,"unsigned char",19); - _cimg_save_pandore_case(0,0,3,"char",20); - _cimg_save_pandore_case(0,0,3,"short",20); - _cimg_save_pandore_case(0,0,3,"unsigned short",20); - _cimg_save_pandore_case(0,0,3,"unsigned int",20); - _cimg_save_pandore_case(0,0,3,"int",20); - _cimg_save_pandore_case(0,0,3,"unsigned long",21); - _cimg_save_pandore_case(0,0,3,"long",20); - _cimg_save_pandore_case(0,0,3,"float",21); - _cimg_save_pandore_case(0,0,3,"double",21); - - _cimg_save_pandore_case(1,1,0,"unsigned char",22); - _cimg_save_pandore_case(1,1,0,"char",23); - _cimg_save_pandore_case(1,1,0,"short",23); - _cimg_save_pandore_case(1,1,0,"unsigned short",23); - _cimg_save_pandore_case(1,1,0,"unsigned int",23); - _cimg_save_pandore_case(1,1,0,"int",23); - _cimg_save_pandore_case(1,1,0,"unsigned long",25); - _cimg_save_pandore_case(1,1,0,"long",23); - _cimg_save_pandore_case(1,1,0,"float",25); - _cimg_save_pandore_case(1,1,0,"double",25); - - _cimg_save_pandore_case(0,1,0,"unsigned char",26); - _cimg_save_pandore_case(0,1,0,"char",27); - _cimg_save_pandore_case(0,1,0,"short",27); - _cimg_save_pandore_case(0,1,0,"unsigned short",27); - _cimg_save_pandore_case(0,1,0,"unsigned int",27); - _cimg_save_pandore_case(0,1,0,"int",27); - _cimg_save_pandore_case(0,1,0,"unsigned long",29); - _cimg_save_pandore_case(0,1,0,"long",27); - _cimg_save_pandore_case(0,1,0,"float",29); - _cimg_save_pandore_case(0,1,0,"double",29); - - _cimg_save_pandore_case(0,0,0,"unsigned char",30); - _cimg_save_pandore_case(0,0,0,"char",31); - _cimg_save_pandore_case(0,0,0,"short",31); - _cimg_save_pandore_case(0,0,0,"unsigned short",31); - _cimg_save_pandore_case(0,0,0,"unsigned int",31); - _cimg_save_pandore_case(0,0,0,"int",31); - _cimg_save_pandore_case(0,0,0,"unsigned long",33); - _cimg_save_pandore_case(0,0,0,"long",31); - _cimg_save_pandore_case(0,0,0,"float",33); - _cimg_save_pandore_case(0,0,0,"double",33); - - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save image as a raw data file. - /** - \param filename Filename, as a C-string. - \param is_multiplexed Tells if the image channels are stored in a multiplexed way (\c true) or not (\c false). - \note The .raw format does not store the image dimensions in the output file, - so you have to keep track of them somewhere to be able to read the file correctly afterwards. - **/ - const CImg& save_raw(const char *const filename, const bool is_multiplexed=false) const { - return _save_raw(0,filename,is_multiplexed); - } - - //! Save image as a raw data file \overloading. - /** - Same as save_raw(const char *,bool) const - with a file stream argument instead of a filename string. - **/ - const CImg& save_raw(std::FILE *const file, const bool is_multiplexed=false) const { - return _save_raw(file,0,is_multiplexed); - } - - const CImg& _save_raw(std::FILE *const file, const char *const filename, const bool is_multiplexed) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_raw(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - if (!is_multiplexed) cimg::fwrite(_data,size(),nfile); - else { - CImg buf(_spectrum); - cimg_forXYZ(*this,x,y,z) { - cimg_forC(*this,c) buf[c] = (*this)(x,y,z,c); - cimg::fwrite(buf._data,_spectrum,nfile); - } - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save image as a .yuv video file. - /** - \param filename Filename, as a C-string. - \param is_rgb Tells if pixel values of the instance image are RGB-coded (\c true) or YUV-coded (\c false). - \note Each slice of the instance image is considered to be a single frame of the output video file. - **/ - const CImg& save_yuv(const char *const filename, const bool is_rgb=true) const { - get_split('z').save_yuv(filename,is_rgb); - return *this; - } - - //! Save image as a .yuv video file \overloading. - /** - Same as save_yuv(const char*,bool) const - with a file stream argument instead of a filename string. - **/ - const CImg& save_yuv(std::FILE *const file, const bool is_rgb=true) const { - get_split('z').save_yuv(file,is_rgb); - return *this; - } - - //! Save 3d object as an Object File Format (.off) file. - /** - \param filename Filename, as a C-string. - \param primitives List of 3d object primitives. - \param colors List of 3d object colors. - \note - - Instance image contains the vertices data of the 3d object. - - Textured, transparent or sphere-shaped primitives cannot be managed by the .off file format. - Such primitives will be lost or simplified during file saving. - - The .off file format is described here. - **/ - template - const CImg& save_off(const CImgList& primitives, const CImgList& colors, - const char *const filename) const { - return _save_off(primitives,colors,0,filename); - } - - //! Save 3d object as an Object File Format (.off) file \overloading. - /** - Same as save_off(const CImgList&,const CImgList&,const char*) const - with a file stream argument instead of a filename string. - **/ - template - const CImg& save_off(const CImgList& primitives, const CImgList& colors, - std::FILE *const file) const { - return _save_off(primitives,colors,file,0); - } - - template - const CImg& _save_off(const CImgList& primitives, const CImgList& colors, - std::FILE *const file, const char *const filename) const { - if (!file && !filename) - throw CImgArgumentException(_cimg_instance - "save_off(): Specified filename is (null).", - cimg_instance); - if (is_empty()) - throw CImgInstanceException(_cimg_instance - "save_off(): Empty instance, for file '%s'.", - cimg_instance, - filename?filename:"(FILE*)"); - - CImgList opacities; - CImg error_message(1024); - if (!is_object3d(primitives,colors,opacities,true,error_message)) - throw CImgInstanceException(_cimg_instance - "save_off(): Invalid specified 3d object, for file '%s' (%s).", - cimg_instance, - filename?filename:"(FILE*)",error_message.data()); - - const CImg default_color(1,3,1,1,200); - std::FILE *const nfile = file?file:cimg::fopen(filename,"w"); - unsigned int supported_primitives = 0; - cimglist_for(primitives,l) if (primitives[l].size()!=5) ++supported_primitives; - std::fprintf(nfile,"OFF\n%u %u %u\n",_width,supported_primitives,3*primitives._width); - cimg_forX(*this,i) std::fprintf(nfile,"%f %f %f\n", - (float)((*this)(i,0)),(float)((*this)(i,1)),(float)((*this)(i,2))); - cimglist_for(primitives,l) { - const CImg& color = l1?color[1]:r)/255.0f, b = (csiz>2?color[2]:g)/255.0f; - switch (psiz) { - case 1 : std::fprintf(nfile,"1 %u %f %f %f\n", - (unsigned int)primitives(l,0),r,g,b); break; - case 2 : std::fprintf(nfile,"2 %u %u %f %f %f\n", - (unsigned int)primitives(l,0),(unsigned int)primitives(l,1),r,g,b); break; - case 3 : std::fprintf(nfile,"3 %u %u %u %f %f %f\n", - (unsigned int)primitives(l,0),(unsigned int)primitives(l,2), - (unsigned int)primitives(l,1),r,g,b); break; - case 4 : std::fprintf(nfile,"4 %u %u %u %u %f %f %f\n", - (unsigned int)primitives(l,0),(unsigned int)primitives(l,3), - (unsigned int)primitives(l,2),(unsigned int)primitives(l,1),r,g,b); break; - case 5 : std::fprintf(nfile,"2 %u %u %f %f %f\n", - (unsigned int)primitives(l,0),(unsigned int)primitives(l,1),r,g,b); break; - case 6 : { - const unsigned int xt = (unsigned int)primitives(l,2), yt = (unsigned int)primitives(l,3); - const float - rt = color.atXY(xt,yt,0)/255.0f, - gt = (csiz>1?color.atXY(xt,yt,1):r)/255.0f, - bt = (csiz>2?color.atXY(xt,yt,2):g)/255.0f; - std::fprintf(nfile,"2 %u %u %f %f %f\n", - (unsigned int)primitives(l,0),(unsigned int)primitives(l,1),rt,gt,bt); - } break; - case 9 : { - const unsigned int xt = (unsigned int)primitives(l,3), yt = (unsigned int)primitives(l,4); - const float - rt = color.atXY(xt,yt,0)/255.0f, - gt = (csiz>1?color.atXY(xt,yt,1):r)/255.0f, - bt = (csiz>2?color.atXY(xt,yt,2):g)/255.0f; - std::fprintf(nfile,"3 %u %u %u %f %f %f\n", - (unsigned int)primitives(l,0),(unsigned int)primitives(l,2), - (unsigned int)primitives(l,1),rt,gt,bt); - } break; - case 12 : { - const unsigned int xt = (unsigned int)primitives(l,4), yt = (unsigned int)primitives(l,5); - const float - rt = color.atXY(xt,yt,0)/255.0f, - gt = (csiz>1?color.atXY(xt,yt,1):r)/255.0f, - bt = (csiz>2?color.atXY(xt,yt,2):g)/255.0f; - std::fprintf(nfile,"4 %u %u %u %u %f %f %f\n", - (unsigned int)primitives(l,0),(unsigned int)primitives(l,3), - (unsigned int)primitives(l,2),(unsigned int)primitives(l,1),rt,gt,bt); - } break; - } - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save volumetric image as a video, using the OpenCV library. - /** - \param filename Filename to write data to. - \param fps Number of frames per second. - \param codec Type of compression (See http://www.fourcc.org/codecs.php to see available codecs). - \param keep_open Tells if the video writer associated to the specified filename - must be kept open or not (to allow frames to be added in the same file afterwards). - **/ - const CImg& save_video(const char *const filename, const unsigned int fps=25, - const char *codec=0, const bool keep_open=false) const { - if (is_empty()) { CImgList().save_video(filename,fps,codec,keep_open); return *this; } - CImgList list; - get_split('z').move_to(list); - list.save_video(filename,fps,codec,keep_open); - return *this; - } - - //! Save volumetric image as a video, using ffmpeg external binary. - /** - \param filename Filename, as a C-string. - \param fps Video framerate. - \param codec Video codec, as a C-string. - \param bitrate Video bitrate. - \note - - Each slice of the instance image is considered to be a single frame of the output video file. - - This method uses \c ffmpeg, an external executable binary provided by - FFmpeg. - It must be installed for the method to succeed. - **/ - const CImg& save_ffmpeg_external(const char *const filename, const unsigned int fps=25, - const char *const codec=0, const unsigned int bitrate=2048) const { - if (!filename) - throw CImgArgumentException(_cimg_instance - "save_ffmpeg_external(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - - CImgList list; - get_split('z').move_to(list); - list.save_ffmpeg_external(filename,fps,codec,bitrate); - return *this; - } - - //! Save image using gzip external binary. - /** - \param filename Filename, as a C-string. - \note This method uses \c gzip, an external executable binary provided by - gzip. - It must be installed for the method to succeed. - **/ - const CImg& save_gzip_external(const char *const filename) const { - if (!filename) - throw CImgArgumentException(_cimg_instance - "save_gzip_external(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - - CImg command(1024), filename_tmp(256), body(256); - const char - *ext = cimg::split_filename(filename,body), - *ext2 = cimg::split_filename(body,0); - std::FILE *file; - do { - if (!cimg::strcasecmp(ext,"gz")) { - if (*ext2) cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand(),ext2); - else cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.cimg", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - } else { - if (*ext) cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand(),ext); - else cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.cimg", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - } - if ((file=std::fopen(filename_tmp,"rb"))!=0) cimg::fclose(file); - } while (file); - save(filename_tmp); - cimg_snprintf(command,command._width,"%s -c \"%s\" > \"%s\"", - cimg::gzip_path(), - CImg::string(filename_tmp)._system_strescape().data(), - CImg::string(filename)._system_strescape().data()); - cimg::system(command); - file = std::fopen(filename,"rb"); - if (!file) - throw CImgIOException(_cimg_instance - "save_gzip_external(): Failed to save file '%s' with external command 'gzip'.", - cimg_instance, - filename); - - else cimg::fclose(file); - std::remove(filename_tmp); - return *this; - } - - //! Save image using GraphicsMagick's external binary. - /** - \param filename Filename, as a C-string. - \param quality Image quality (expressed in percent), when the file format supports it. - \note This method uses \c gm, an external executable binary provided by - GraphicsMagick. - It must be installed for the method to succeed. - **/ - const CImg& save_graphicsmagick_external(const char *const filename, const unsigned int quality=100) const { - if (!filename) - throw CImgArgumentException(_cimg_instance - "save_graphicsmagick_external(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - -#ifdef cimg_use_png -#define _cimg_sge_ext1 "png" -#define _cimg_sge_ext2 "png" -#else -#define _cimg_sge_ext1 "pgm" -#define _cimg_sge_ext2 "ppm" -#endif - CImg command(1024), filename_tmp(256); - std::FILE *file; - do { - cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand(), - _spectrum==1?_cimg_sge_ext1:_cimg_sge_ext2); - if ((file=std::fopen(filename_tmp,"rb"))!=0) cimg::fclose(file); - } while (file); -#ifdef cimg_use_png - save_png(filename_tmp); -#else - save_pnm(filename_tmp); -#endif - cimg_snprintf(command,command._width,"%s convert -quality %u \"%s\" \"%s\"", - cimg::graphicsmagick_path(),quality, - CImg::string(filename_tmp)._system_strescape().data(), - CImg::string(filename)._system_strescape().data()); - cimg::system(command); - file = std::fopen(filename,"rb"); - if (!file) - throw CImgIOException(_cimg_instance - "save_graphicsmagick_external(): Failed to save file '%s' with external command 'gm'.", - cimg_instance, - filename); - - if (file) cimg::fclose(file); - std::remove(filename_tmp); - return *this; - } - - //! Save image using ImageMagick's external binary. - /** - \param filename Filename, as a C-string. - \param quality Image quality (expressed in percent), when the file format supports it. - \note This method uses \c convert, an external executable binary provided by - ImageMagick. - It must be installed for the method to succeed. - **/ - const CImg& save_imagemagick_external(const char *const filename, const unsigned int quality=100) const { - if (!filename) - throw CImgArgumentException(_cimg_instance - "save_imagemagick_external(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - -#ifdef cimg_use_png -#define _cimg_sie_ext1 "png" -#define _cimg_sie_ext2 "png" -#else -#define _cimg_sie_ext1 "pgm" -#define _cimg_sie_ext2 "ppm" -#endif - CImg command(1024), filename_tmp(256); - std::FILE *file; - do { - cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.%s",cimg::temporary_path(), - cimg_file_separator,cimg::filenamerand(),_spectrum==1?_cimg_sie_ext1:_cimg_sie_ext2); - if ((file=std::fopen(filename_tmp,"rb"))!=0) cimg::fclose(file); - } while (file); -#ifdef cimg_use_png - save_png(filename_tmp); -#else - save_pnm(filename_tmp); -#endif - cimg_snprintf(command,command._width,"%s -quality %u \"%s\" \"%s\"", - cimg::imagemagick_path(),quality, - CImg::string(filename_tmp)._system_strescape().data(), - CImg::string(filename)._system_strescape().data()); - cimg::system(command); - file = std::fopen(filename,"rb"); - if (!file) - throw CImgIOException(_cimg_instance - "save_imagemagick_external(): Failed to save file '%s' with external command 'convert'.", - cimg_instance, - filename); - - if (file) cimg::fclose(file); - std::remove(filename_tmp); - return *this; - } - - //! Save image as a Dicom file. - /** - \param filename Filename, as a C-string. - \note This method uses \c medcon, an external executable binary provided by - (X)Medcon. - It must be installed for the method to succeed. - **/ - const CImg& save_medcon_external(const char *const filename) const { - if (!filename) - throw CImgArgumentException(_cimg_instance - "save_medcon_external(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - - CImg command(1024), filename_tmp(256), body(256); - std::FILE *file; - do { - cimg_snprintf(filename_tmp,filename_tmp._width,"%s.hdr",cimg::filenamerand()); - if ((file=std::fopen(filename_tmp,"rb"))!=0) cimg::fclose(file); - } while (file); - save_analyze(filename_tmp); - cimg_snprintf(command,command._width,"%s -w -c dicom -o \"%s\" -f \"%s\"", - cimg::medcon_path(), - CImg::string(filename)._system_strescape().data(), - CImg::string(filename_tmp)._system_strescape().data()); - cimg::system(command); - std::remove(filename_tmp); - cimg::split_filename(filename_tmp,body); - cimg_snprintf(filename_tmp,filename_tmp._width,"%s.img",body._data); - std::remove(filename_tmp); - - file = std::fopen(filename,"rb"); - if (!file) { - cimg_snprintf(command,command._width,"m000-%s",filename); - file = std::fopen(command,"rb"); - if (!file) { - cimg::fclose(cimg::fopen(filename,"r")); - throw CImgIOException(_cimg_instance - "save_medcon_external(): Failed to save file '%s' with external command 'medcon'.", - cimg_instance, - filename); - } - } - cimg::fclose(file); - std::rename(command,filename); - return *this; - } - - // Save image for non natively supported formats. - /** - \param filename Filename, as a C-string. - \param quality Image quality (expressed in percent), when the file format supports it. - \note - - The filename extension tells about the desired file format. - - This method tries to save the instance image as a file, using external tools from - ImageMagick or - GraphicsMagick. - At least one of these tool must be installed for the method to succeed. - - It is recommended to use the generic method save(const char*, int) const instead, - as it can handle some file formats natively. - **/ - const CImg& save_other(const char *const filename, const unsigned int quality=100) const { - if (!filename) - throw CImgArgumentException(_cimg_instance - "save_other(): Specified filename is (null).", - cimg_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - - const unsigned int omode = cimg::exception_mode(); - bool is_saved = true; - cimg::exception_mode(0); - try { save_magick(filename); } - catch (CImgException&) { - try { save_imagemagick_external(filename,quality); } - catch (CImgException&) { - try { save_graphicsmagick_external(filename,quality); } - catch (CImgException&) { - is_saved = false; - } - } - } - cimg::exception_mode(omode); - if (!is_saved) - throw CImgIOException(_cimg_instance - "save_other(): Failed to save file '%s'. Format is not natively supported, " - "and no external commands succeeded.", - cimg_instance, - filename); - return *this; - } - - //! Serialize a CImg instance into a raw CImg buffer. - /** - \param is_compressed tells if zlib compression must be used for serialization - (this requires 'cimg_use_zlib' been enabled). - **/ - CImg get_serialize(const bool is_compressed=false) const { - return CImgList(*this,true).get_serialize(is_compressed); - } - - // [internal] Return a 40x38 color logo of a 'danger' item. - static CImg _logo40x38() { - CImg res(40,38,1,3); - const unsigned char *ptrs = cimg::logo40x38; - T *ptr1 = res.data(0,0,0,0), *ptr2 = res.data(0,0,0,1), *ptr3 = res.data(0,0,0,2); - for (unsigned long off = 0; off<(unsigned long)res._width*res._height;) { - const unsigned char n = *(ptrs++), r = *(ptrs++), g = *(ptrs++), b = *(ptrs++); - for (unsigned int l = 0; l structure - # - # - # - #------------------------------------------ - */ - //! Represent a list of images CImg. - template - struct CImgList { - unsigned int _width, _allocated_width; - CImg *_data; - - //! Simple iterator type, to loop through each image of a list. - /** - \note - - The \c CImgList::iterator type is defined as a CImg*. - - You may use it like this: - \code - CImgList<> list; // Assuming this image list is not empty. - for (CImgList<>::iterator it = list.begin(); it* iterator; - - //! Simple const iterator type, to loop through each image of a \c const list instance. - /** - \note - - The \c CImgList::const_iterator type is defined to be a const CImg*. - - Similar to CImgList::iterator, but for constant list instances. - **/ - typedef const CImg* const_iterator; - - //! Pixel value type. - /** - Refer to the pixels value type of the images in the list. - \note - - The \c CImgList::value_type type of a \c CImgList is defined to be a \c T. - It is then similar to CImg::value_type. - - \c CImgList::value_type is actually not used in %CImg methods. It has been mainly defined for - compatibility with STL naming conventions. - **/ - typedef T value_type; - - // Define common T-dependant types. - typedef typename cimg::superset::type Tbool; - typedef typename cimg::superset::type Tuchar; - typedef typename cimg::superset::type Tchar; - typedef typename cimg::superset::type Tushort; - typedef typename cimg::superset::type Tshort; - typedef typename cimg::superset::type Tuint; - typedef typename cimg::superset::type Tint; - typedef typename cimg::superset::type Tulong; - typedef typename cimg::superset::type Tlong; - typedef typename cimg::superset::type Tfloat; - typedef typename cimg::superset::type Tdouble; - typedef typename cimg::last::type boolT; - typedef typename cimg::last::type ucharT; - typedef typename cimg::last::type charT; - typedef typename cimg::last::type ushortT; - typedef typename cimg::last::type shortT; - typedef typename cimg::last::type uintT; - typedef typename cimg::last::type intT; - typedef typename cimg::last::type ulongT; - typedef typename cimg::last::type longT; - typedef typename cimg::last::type floatT; - typedef typename cimg::last::type doubleT; - - //@} - //--------------------------- - // - //! \name Plugins - //@{ - //--------------------------- -#ifdef cimglist_plugin -#include cimglist_plugin -#endif -#ifdef cimglist_plugin1 -#include cimglist_plugin1 -#endif -#ifdef cimglist_plugin2 -#include cimglist_plugin2 -#endif -#ifdef cimglist_plugin3 -#include cimglist_plugin3 -#endif -#ifdef cimglist_plugin4 -#include cimglist_plugin4 -#endif -#ifdef cimglist_plugin5 -#include cimglist_plugin5 -#endif -#ifdef cimglist_plugin6 -#include cimglist_plugin6 -#endif -#ifdef cimglist_plugin7 -#include cimglist_plugin7 -#endif -#ifdef cimglist_plugin8 -#include cimglist_plugin8 -#endif - - //@} - //-------------------------------------------------------- - // - //! \name Constructors / Destructor / Instance Management - //@{ - //-------------------------------------------------------- - - //! Destructor. - /** - Destroy current list instance. - \note - - Any allocated buffer is deallocated. - - Destroying an empty list does nothing actually. - **/ - ~CImgList() { - delete[] _data; - } - - //! Default constructor. - /** - Construct a new empty list instance. - \note - - An empty list has no pixel data and its dimension width() is set to \c 0, as well as its - image buffer pointer data(). - - An empty list may be reassigned afterwards, with the family of the assign() methods. - In all cases, the type of pixels stays \c T. - **/ - CImgList(): - _width(0),_allocated_width(0),_data(0) {} - - //! Construct list containing empty images. - /** - \param n Number of empty images. - \note Useful when you know by advance the number of images you want to manage, as - it will allocate the right amount of memory for the list, without needs for reallocation - (that may occur when starting from an empty list and inserting several images in it). - **/ - explicit CImgList(const unsigned int n):_width(n) { - if (n) _data = new CImg[_allocated_width = cimg::max(16UL,cimg::nearest_pow2(n))]; - else { _allocated_width = 0; _data = 0; } - } - - //! Construct list containing images of specified size. - /** - \param n Number of images. - \param width Width of images. - \param height Height of images. - \param depth Depth of images. - \param spectrum Number of channels of images. - \note Pixel values are not initialized and may probably contain garbage. - **/ - CImgList(const unsigned int n, const unsigned int width, const unsigned int height=1, - const unsigned int depth=1, const unsigned int spectrum=1): - _width(0),_allocated_width(0),_data(0) { - assign(n); - cimglist_apply(*this,assign)(width,height,depth,spectrum); - } - - //! Construct list containing images of specified size, and initialize pixel values. - /** - \param n Number of images. - \param width Width of images. - \param height Height of images. - \param depth Depth of images. - \param spectrum Number of channels of images. - \param val Initialization value for images pixels. - **/ - CImgList(const unsigned int n, const unsigned int width, const unsigned int height, - const unsigned int depth, const unsigned int spectrum, const T& val): - _width(0),_allocated_width(0),_data(0) { - assign(n); - cimglist_apply(*this,assign)(width,height,depth,spectrum,val); - } - - //! Construct list containing images of specified size, and initialize pixel values from a sequence of integers. - /** - \param n Number of images. - \param width Width of images. - \param height Height of images. - \param depth Depth of images. - \param spectrum Number of channels of images. - \param val0 First value of the initializing integers sequence. - \param val1 Second value of the initializing integers sequence. - \warning You must specify at least width*height*depth*spectrum values in your argument list, - or you will probably segfault. - **/ - CImgList(const unsigned int n, const unsigned int width, const unsigned int height, - const unsigned int depth, const unsigned int spectrum, const int val0, const int val1, ...): - _width(0),_allocated_width(0),_data(0) { -#define _CImgList_stdarg(t) { \ - assign(n,width,height,depth,spectrum); \ - const unsigned long siz = (unsigned long)width*height*depth*spectrum, nsiz = siz*n; \ - T *ptrd = _data->_data; \ - va_list ap; \ - va_start(ap,val1); \ - for (unsigned long l = 0, s = 0, i = 0; iwidth*height*depth*spectrum values in your argument list, - or you will probably segfault. - **/ - CImgList(const unsigned int n, const unsigned int width, const unsigned int height, - const unsigned int depth, const unsigned int spectrum, const double val0, const double val1, ...): - _width(0),_allocated_width(0),_data(0) { - _CImgList_stdarg(double); - } - - //! Construct list containing copies of an input image. - /** - \param n Number of images. - \param img Input image to copy in the constructed list. - \param is_shared Tells if the elements of the list are shared or non-shared copies of \c img. - **/ - template - CImgList(const unsigned int n, const CImg& img, const bool is_shared=false): - _width(0),_allocated_width(0),_data(0) { - assign(n); - cimglist_apply(*this,assign)(img,is_shared); - } - - //! Construct list from one image. - /** - \param img Input image to copy in the constructed list. - \param is_shared Tells if the element of the list is a shared or non-shared copy of \c img. - **/ - template - explicit CImgList(const CImg& img, const bool is_shared=false): - _width(0),_allocated_width(0),_data(0) { - assign(1); - _data[0].assign(img,is_shared); - } - - //! Construct list from two images. - /** - \param img1 First input image to copy in the constructed list. - \param img2 Second input image to copy in the constructed list. - \param is_shared Tells if the elements of the list are shared or non-shared copies of input images. - **/ - template - CImgList(const CImg& img1, const CImg& img2, const bool is_shared=false): - _width(0),_allocated_width(0),_data(0) { - assign(2); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); - } - - //! Construct list from three images. - /** - \param img1 First input image to copy in the constructed list. - \param img2 Second input image to copy in the constructed list. - \param img3 Third input image to copy in the constructed list. - \param is_shared Tells if the elements of the list are shared or non-shared copies of input images. - **/ - template - CImgList(const CImg& img1, const CImg& img2, const CImg& img3, const bool is_shared=false): - _width(0),_allocated_width(0),_data(0) { - assign(3); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); _data[2].assign(img3,is_shared); - } - - //! Construct list from four images. - /** - \param img1 First input image to copy in the constructed list. - \param img2 Second input image to copy in the constructed list. - \param img3 Third input image to copy in the constructed list. - \param img4 Fourth input image to copy in the constructed list. - \param is_shared Tells if the elements of the list are shared or non-shared copies of input images. - **/ - template - CImgList(const CImg& img1, const CImg& img2, const CImg& img3, const CImg& img4, - const bool is_shared=false): - _width(0),_allocated_width(0),_data(0) { - assign(4); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); _data[2].assign(img3,is_shared); - _data[3].assign(img4,is_shared); - } - - //! Construct list from five images. - /** - \param img1 First input image to copy in the constructed list. - \param img2 Second input image to copy in the constructed list. - \param img3 Third input image to copy in the constructed list. - \param img4 Fourth input image to copy in the constructed list. - \param img5 Fifth input image to copy in the constructed list. - \param is_shared Tells if the elements of the list are shared or non-shared copies of input images. - **/ - template - CImgList(const CImg& img1, const CImg& img2, const CImg& img3, const CImg& img4, - const CImg& img5, const bool is_shared=false): - _width(0),_allocated_width(0),_data(0) { - assign(5); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); _data[2].assign(img3,is_shared); - _data[3].assign(img4,is_shared); _data[4].assign(img5,is_shared); - } - - //! Construct list from six images. - /** - \param img1 First input image to copy in the constructed list. - \param img2 Second input image to copy in the constructed list. - \param img3 Third input image to copy in the constructed list. - \param img4 Fourth input image to copy in the constructed list. - \param img5 Fifth input image to copy in the constructed list. - \param img6 Sixth input image to copy in the constructed list. - \param is_shared Tells if the elements of the list are shared or non-shared copies of input images. - **/ - template - CImgList(const CImg& img1, const CImg& img2, const CImg& img3, const CImg& img4, - const CImg& img5, const CImg& img6, const bool is_shared=false): - _width(0),_allocated_width(0),_data(0) { - assign(6); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); _data[2].assign(img3,is_shared); - _data[3].assign(img4,is_shared); _data[4].assign(img5,is_shared); _data[5].assign(img6,is_shared); - } - - //! Construct list from seven images. - /** - \param img1 First input image to copy in the constructed list. - \param img2 Second input image to copy in the constructed list. - \param img3 Third input image to copy in the constructed list. - \param img4 Fourth input image to copy in the constructed list. - \param img5 Fifth input image to copy in the constructed list. - \param img6 Sixth input image to copy in the constructed list. - \param img7 Seventh input image to copy in the constructed list. - \param is_shared Tells if the elements of the list are shared or non-shared copies of input images. - **/ - template - CImgList(const CImg& img1, const CImg& img2, const CImg& img3, const CImg& img4, - const CImg& img5, const CImg& img6, const CImg& img7, const bool is_shared=false): - _width(0),_allocated_width(0),_data(0) { - assign(7); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); _data[2].assign(img3,is_shared); - _data[3].assign(img4,is_shared); _data[4].assign(img5,is_shared); _data[5].assign(img6,is_shared); - _data[6].assign(img7,is_shared); - } - - //! Construct list from eight images. - /** - \param img1 First input image to copy in the constructed list. - \param img2 Second input image to copy in the constructed list. - \param img3 Third input image to copy in the constructed list. - \param img4 Fourth input image to copy in the constructed list. - \param img5 Fifth input image to copy in the constructed list. - \param img6 Sixth input image to copy in the constructed list. - \param img7 Seventh input image to copy in the constructed list. - \param img8 Eighth input image to copy in the constructed list. - \param is_shared Tells if the elements of the list are shared or non-shared copies of input images. - **/ - template - CImgList(const CImg& img1, const CImg& img2, const CImg& img3, const CImg& img4, - const CImg& img5, const CImg& img6, const CImg& img7, const CImg& img8, - const bool is_shared=false): - _width(0),_allocated_width(0),_data(0) { - assign(8); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); _data[2].assign(img3,is_shared); - _data[3].assign(img4,is_shared); _data[4].assign(img5,is_shared); _data[5].assign(img6,is_shared); - _data[6].assign(img7,is_shared); _data[7].assign(img8,is_shared); - } - - //! Construct list copy. - /** - \param list Input list to copy. - \note The shared state of each element of the constructed list is kept the same as in \c list. - **/ - template - CImgList(const CImgList& list):_width(0),_allocated_width(0),_data(0) { - assign(list._width); - cimglist_for(*this,l) _data[l].assign(list[l],false); - } - - //! Construct list copy \specialization. - CImgList(const CImgList& list):_width(0),_allocated_width(0),_data(0) { - assign(list._width); - cimglist_for(*this,l) _data[l].assign(list[l],list[l]._is_shared); - } - - //! Construct list copy, and force the shared state of the list elements. - /** - \param list Input list to copy. - \param is_shared Tells if the elements of the list are shared or non-shared copies of input images. - **/ - template - CImgList(const CImgList& list, const bool is_shared):_width(0),_allocated_width(0),_data(0) { - assign(list._width); - cimglist_for(*this,l) _data[l].assign(list[l],is_shared); - } - - //! Construct list by reading the content of a file. - /** - \param filename Filename, as a C-string. - **/ - explicit CImgList(const char *const filename):_width(0),_allocated_width(0),_data(0) { - assign(filename); - } - - //! Construct list from the content of a display window. - /** - \param disp Display window to get content from. - \note Constructed list contains a single image only. - **/ - explicit CImgList(const CImgDisplay& disp):_width(0),_allocated_width(0),_data(0) { - assign(disp); - } - - //! Return a list with elements being shared copies of images in the list instance. - /** - \note list2 = list1.get_shared() is equivalent to list2.assign(list1,true). - **/ - CImgList get_shared() { - CImgList res(_width); - cimglist_for(*this,l) res[l].assign(_data[l],true); - return res; - } - - //! Return a list with elements being shared copies of images in the list instance \const. - const CImgList get_shared() const { - CImgList res(_width); - cimglist_for(*this,l) res[l].assign(_data[l],true); - return res; - } - - //! Destructor \inplace. - /** - \see CImgList(). - **/ - CImgList& assign() { - delete[] _data; - _width = _allocated_width = 0; - _data = 0; - return *this; - } - - //! Destructor \inplace. - /** - Equivalent to assign(). - \note Only here for compatibility with STL naming conventions. - **/ - CImgList& clear() { - return assign(); - } - - //! Construct list containing empty images \inplace. - /** - \see CImgList(unsigned int). - **/ - CImgList& assign(const unsigned int n) { - if (!n) return assign(); - if (_allocated_width(n<<2)) { - delete[] _data; - _data = new CImg[_allocated_width=cimg::max(16UL,cimg::nearest_pow2(n))]; - } - _width = n; - return *this; - } - - //! Construct list containing images of specified size \inplace. - /** - \see CImgList(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int). - **/ - CImgList& assign(const unsigned int n, const unsigned int width, const unsigned int height=1, - const unsigned int depth=1, const unsigned int spectrum=1) { - assign(n); - cimglist_apply(*this,assign)(width,height,depth,spectrum); - return *this; - } - - //! Construct list containing images of specified size, and initialize pixel values \inplace. - /** - \see CImgList(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, const T). - **/ - CImgList& assign(const unsigned int n, const unsigned int width, const unsigned int height, - const unsigned int depth, const unsigned int spectrum, const T& val) { - assign(n); - cimglist_apply(*this,assign)(width,height,depth,spectrum,val); - return *this; - } - - //! Construct list with images of specified size, and initialize pixel values from a sequence of integers \inplace. - /** - \see CImgList(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, const int, const int, ...). - **/ - CImgList& assign(const unsigned int n, const unsigned int width, const unsigned int height, - const unsigned int depth, const unsigned int spectrum, const int val0, const int val1, ...) { - _CImgList_stdarg(int); - return *this; - } - - //! Construct list with images of specified size, and initialize pixel values from a sequence of doubles \inplace. - /** - \see CImgList(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, const double, const double, ...). - **/ - CImgList& assign(const unsigned int n, const unsigned int width, const unsigned int height, - const unsigned int depth, const unsigned int spectrum, - const double val0, const double val1, ...) { - _CImgList_stdarg(double); - return *this; - } - - //! Construct list containing copies of an input image \inplace. - /** - \see CImgList(unsigned int, const CImg&, bool). - **/ - template - CImgList& assign(const unsigned int n, const CImg& img, const bool is_shared=false) { - assign(n); - cimglist_apply(*this,assign)(img,is_shared); - return *this; - } - - //! Construct list from one image \inplace. - /** - \see CImgList(const CImg&, bool). - **/ - template - CImgList& assign(const CImg& img, const bool is_shared=false) { - assign(1); - _data[0].assign(img,is_shared); - return *this; - } - - //! Construct list from two images \inplace. - /** - \see CImgList(const CImg&, const CImg&, bool). - **/ - template - CImgList& assign(const CImg& img1, const CImg& img2, const bool is_shared=false) { - assign(2); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); - return *this; - } - - //! Construct list from three images \inplace. - /** - \see CImgList(const CImg&, const CImg&, const CImg&, bool). - **/ - template - CImgList& assign(const CImg& img1, const CImg& img2, const CImg& img3, const bool is_shared=false) { - assign(3); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); _data[2].assign(img3,is_shared); - return *this; - } - - //! Construct list from four images \inplace. - /** - \see CImgList(const CImg&, const CImg&, const CImg&, const CImg&, bool). - **/ - template - CImgList& assign(const CImg& img1, const CImg& img2, const CImg& img3, const CImg& img4, - const bool is_shared=false) { - assign(4); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); _data[2].assign(img3,is_shared); - _data[3].assign(img4,is_shared); - return *this; - } - - //! Construct list from five images \inplace. - /** - \see CImgList(const CImg&, const CImg&, const CImg&, const CImg&, const CImg&, bool). - **/ - template - CImgList& assign(const CImg& img1, const CImg& img2, const CImg& img3, const CImg& img4, - const CImg& img5, const bool is_shared=false) { - assign(5); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); _data[2].assign(img3,is_shared); - _data[3].assign(img4,is_shared); _data[4].assign(img5,is_shared); - return *this; - } - - //! Construct list from six images \inplace. - /** - \see CImgList(const CImg&, const CImg&, const CImg&, const CImg&, const CImg&, const CImg&, bool). - **/ - template - CImgList& assign(const CImg& img1, const CImg& img2, const CImg& img3, const CImg& img4, - const CImg& img5, const CImg& img6, const bool is_shared=false) { - assign(6); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); _data[2].assign(img3,is_shared); - _data[3].assign(img4,is_shared); _data[4].assign(img5,is_shared); _data[5].assign(img6,is_shared); - return *this; - } - - //! Construct list from seven images \inplace. - /** - \see CImgList(const CImg&, const CImg&, const CImg&, const CImg&, const CImg&, const CImg&, const CImg&, bool). - **/ - template - CImgList& assign(const CImg& img1, const CImg& img2, const CImg& img3, const CImg& img4, - const CImg& img5, const CImg& img6, const CImg& img7, const bool is_shared=false) { - assign(7); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); _data[2].assign(img3,is_shared); - _data[3].assign(img4,is_shared); _data[4].assign(img5,is_shared); _data[5].assign(img6,is_shared); - _data[6].assign(img7,is_shared); - return *this; - } - - //! Construct list from eight images \inplace. - /** - \see CImgList(const CImg&, const CImg&, const CImg&, const CImg&, const CImg&, const CImg&, const CImg&, const CImg&, bool). - **/ - template - CImgList& assign(const CImg& img1, const CImg& img2, const CImg& img3, const CImg& img4, - const CImg& img5, const CImg& img6, const CImg& img7, const CImg& img8, - const bool is_shared=false) { - assign(8); - _data[0].assign(img1,is_shared); _data[1].assign(img2,is_shared); _data[2].assign(img3,is_shared); - _data[3].assign(img4,is_shared); _data[4].assign(img5,is_shared); _data[5].assign(img6,is_shared); - _data[6].assign(img7,is_shared); _data[7].assign(img8,is_shared); - return *this; - } - - //! Construct list as a copy of an existing list and force the shared state of the list elements \inplace. - /** - \see CImgList(const CImgList&, bool is_shared). - **/ - template - CImgList& assign(const CImgList& list, const bool is_shared=false) { - cimg::unused(is_shared); - assign(list._width); - cimglist_for(*this,l) _data[l].assign(list[l],false); - return *this; - } - - //! Construct list as a copy of an existing list and force shared state of elements \inplace \specialization. - CImgList& assign(const CImgList& list, const bool is_shared=false) { - if (this==&list) return *this; - CImgList res(list._width); - cimglist_for(res,l) res[l].assign(list[l],is_shared); - return res.move_to(*this); - } - - //! Construct list by reading the content of a file \inplace. - /** - \see CImgList(const char *const). - **/ - CImgList& assign(const char *const filename) { - return load(filename); - } - - //! Construct list from the content of a display window \inplace. - /** - \see CImgList(const CImgDisplay&). - **/ - CImgList& assign(const CImgDisplay &disp) { - return assign(CImg(disp)); - } - - //! Transfer the content of the list instance to another list. - /** - \param list Destination list. - \note When returning, the current list instance is empty and the initial content of \c list is destroyed. - **/ - template - CImgList& move_to(CImgList& list) { - list.assign(_width); - bool is_one_shared_element = false; - cimglist_for(*this,l) is_one_shared_element|=_data[l]._is_shared; - if (is_one_shared_element) cimglist_for(*this,l) list[l].assign(_data[l]); - else cimglist_for(*this,l) _data[l].move_to(list[l]); - assign(); - return list; - } - - //! Transfer the content of the list instance at a specified position in another list. - /** - \param list Destination list. - \param pos Index of the insertion in the list. - \note When returning, the list instance is empty and the initial content of \c list is preserved - (only images indexes may be modified). - **/ - template - CImgList& move_to(CImgList& list, const unsigned int pos) { - if (is_empty()) return list; - const unsigned int npos = pos>list._width?list._width:pos; - list.insert(_width,npos); - bool is_one_shared_element = false; - cimglist_for(*this,l) is_one_shared_element|=_data[l]._is_shared; - if (is_one_shared_element) cimglist_for(*this,l) list[npos + l].assign(_data[l]); - else cimglist_for(*this,l) _data[l].move_to(list[npos + l]); - assign(); - return list; - } - - //! Swap all fields between two list instances. - /** - \param list List to swap fields with. - \note Can be used to exchange the content of two lists in a fast way. - **/ - CImgList& swap(CImgList& list) { - cimg::swap(_width,list._width,_allocated_width,list._allocated_width); - cimg::swap(_data,list._data); - return list; - } - - //! Return a reference to an empty list. - /** - \note Can be used to define default values in a function taking a CImgList as an argument. - \code - void f(const CImgList& list=CImgList::empty()); - \endcode - **/ - static CImgList& empty() { - static CImgList _empty; - return _empty.assign(); - } - - //! Return a reference to an empty list \const. - static const CImgList& const_empty() { - static const CImgList _empty; - return _empty; - } - - //@} - //------------------------------------------ - // - //! \name Overloaded Operators - //@{ - //------------------------------------------ - - //! Return a reference to one image element of the list. - /** - \param pos Indice of the image element. - **/ - CImg& operator()(const unsigned int pos) { -#if cimg_verbosity>=3 - if (pos>=_width) { - cimg::warn(_cimglist_instance - "operator(): Invalid image request, at position [%u].", - cimglist_instance, - pos); - return *_data; - } -#endif - return _data[pos]; - } - - //! Return a reference to one image of the list. - /** - \param pos Indice of the image element. - **/ - const CImg& operator()(const unsigned int pos) const { - return const_cast*>(this)->operator()(pos); - } - - //! Return a reference to one pixel value of one image of the list. - /** - \param pos Indice of the image element. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note list(n,x,y,z,c) is equivalent to list[n](x,y,z,c). - **/ - T& operator()(const unsigned int pos, const unsigned int x, const unsigned int y=0, - const unsigned int z=0, const unsigned int c=0) { - return (*this)[pos](x,y,z,c); - } - - //! Return a reference to one pixel value of one image of the list \const. - const T& operator()(const unsigned int pos, const unsigned int x, const unsigned int y=0, - const unsigned int z=0, const unsigned int c=0) const { - return (*this)[pos](x,y,z,c); - } - - //! Return pointer to the first image of the list. - /** - \note Images in a list are stored as a buffer of \c CImg. - **/ - operator CImg*() { - return _data; - } - - //! Return pointer to the first image of the list \const. - operator const CImg*() const { - return _data; - } - - //! Construct list from one image \inplace. - /** - \param img Input image to copy in the constructed list. - \note list = img; is equivalent to list.assign(img);. - **/ - template - CImgList& operator=(const CImg& img) { - return assign(img); - } - - //! Construct list from another list. - /** - \param list Input list to copy. - \note list1 = list2 is equivalent to list1.assign(list2);. - **/ - template - CImgList& operator=(const CImgList& list) { - return assign(list); - } - - //! Construct list from another list \specialization. - CImgList& operator=(const CImgList& list) { - return assign(list); - } - - //! Construct list by reading the content of a file \inplace. - /** - \see CImgList(const char *const). - **/ - CImgList& operator=(const char *const filename) { - return assign(filename); - } - - //! Construct list from the content of a display window \inplace. - /** - \see CImgList(const CImgDisplay&). - **/ - CImgList& operator=(const CImgDisplay& disp) { - return assign(disp); - } - - //! Return a non-shared copy of a list. - /** - \note +list is equivalent to CImgList(list,false). - It forces the copy to have non-shared elements. - **/ - CImgList operator+() const { - return CImgList(*this,false); - } - - //! Return a copy of the list instance, where image \c img has been inserted at the end. - /** - \param img Image inserted at the end of the instance copy. - \note Define a convenient way to create temporary lists of images, as in the following code: - \code - (img1,img2,img3,img4).display("My four images"); - \endcode - **/ - template - CImgList& operator,(const CImg& img) { - return insert(img); - } - - //! Return a copy of the list instance, where image \c img has been inserted at the end \const. - template - CImgList operator,(const CImg& img) const { - return (+*this).insert(img); - } - - //! Return a copy of the list instance, where all elements of input list \c list have been inserted at the end. - /** - \param list List inserted at the end of the instance copy. - **/ - template - CImgList& operator,(const CImgList& list) { - return insert(list); - } - - //! Return a copy of the list instance, where all elements of input \c list have been inserted at the end \const. - template - CImgList& operator,(const CImgList& list) const { - return (+*this).insert(list); - } - - //! Return image corresponding to the appending of all images of the instance list along specified axis. - /** - \param axis Appending axis. Can be { 'x' | 'y' | 'z' | 'c' }. - \note list>'x' is equivalent to list.get_append('x'). - **/ - CImg operator>(const char axis) const { - return get_append(axis,0); - } - - //! Return list corresponding to the splitting of all images of the instance list along specified axis. - /** - \param axis Axis used for image splitting. - \note list<'x' is equivalent to list.get_split('x'). - **/ - CImgList operator<(const char axis) const { - return get_split(axis); - } - - //@} - //------------------------------------- - // - //! \name Instance Characteristics - //@{ - //------------------------------------- - - //! Return the type of image pixel values as a C string. - /** - Return a \c char* string containing the usual type name of the image pixel values - (i.e. a stringified version of the template parameter \c T). - \note - - The returned string may contain spaces (as in \c "unsigned char"). - - If the pixel type \c T does not correspond to a registered type, the string "unknown" is returned. - **/ - static const char* pixel_type() { - return cimg::type::string(); - } - - //! Return the size of the list, i.e. the number of images contained in it. - /** - \note Similar to size() but returns result as a (signed) integer. - **/ - int width() const { - return (int)_width; - } - - //! Return the size of the list, i.e. the number of images contained in it. - /** - \note Similar to width() but returns result as an unsigned integer. - **/ - unsigned int size() const { - return _width; - } - - //! Return pointer to the first image of the list. - /** - \note Images in a list are stored as a buffer of \c CImg. - **/ - CImg *data() { - return _data; - } - - //! Return pointer to the first image of the list \const. - const CImg *data() const { - return _data; - } - - //! Return pointer to the pos-th image of the list. - /** - \param pos Indice of the image element to access. - \note list.data(n); is equivalent to list.data + n;. - **/ -#if cimg_verbosity>=3 - CImg *data(const unsigned int pos) { - if (pos>=size()) - cimg::warn(_cimglist_instance - "data(): Invalid pointer request, at position [%u].", - cimglist_instance, - pos); - return _data + pos; - } - - const CImg *data(const unsigned int l) const { - return const_cast*>(this)->data(l); - } -#else - CImg *data(const unsigned int l) { - return _data + l; - } - - //! Return pointer to the pos-th image of the list \const. - const CImg *data(const unsigned int l) const { - return _data + l; - } -#endif - - //! Return iterator to the first image of the list. - /** - **/ - iterator begin() { - return _data; - } - - //! Return iterator to the first image of the list \const. - const_iterator begin() const { - return _data; - } - - //! Return iterator to one position after the last image of the list. - /** - **/ - iterator end() { - return _data + _width; - } - - //! Return iterator to one position after the last image of the list \const. - const_iterator end() const { - return _data + _width; - } - - //! Return reference to the first image of the list. - /** - **/ - CImg& front() { - return *_data; - } - - //! Return reference to the first image of the list \const. - const CImg& front() const { - return *_data; - } - - //! Return a reference to the last image of the list. - /** - **/ - const CImg& back() const { - return *(_data + _width - 1); - } - - //! Return a reference to the last image of the list \const. - CImg& back() { - return *(_data + _width - 1); - } - - //! Return pos-th image of the list. - /** - \param pos Indice of the image element to access. - **/ - CImg& at(const int pos) { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "at(): Empty instance.", - cimglist_instance); - - return _data[pos<0?0:pos>=(int)_width?(int)_width - 1:pos]; - } - - //! Access to pixel value with Dirichlet boundary conditions. - /** - \param pos Indice of the image element to access. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \param out_value Default value returned if \c offset is outside image bounds. - \note list.atNXYZC(p,x,y,z,c); is equivalent to list[p].atXYZC(x,y,z,c);. - **/ - T& atNXYZC(const int pos, const int x, const int y, const int z, const int c, const T& out_value) { - return (pos<0 || pos>=(int)_width)?(cimg::temporary(out_value)=out_value):_data[pos].atXYZC(x,y,z,c,out_value); - } - - //! Access to pixel value with Dirichlet boundary conditions \const. - T atNXYZC(const int pos, const int x, const int y, const int z, const int c, const T& out_value) const { - return (pos<0 || pos>=(int)_width)?out_value:_data[pos].atXYZC(x,y,z,c,out_value); - } - - //! Access to pixel value with Neumann boundary conditions. - /** - \param pos Indice of the image element to access. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note list.atNXYZC(p,x,y,z,c); is equivalent to list[p].atXYZC(x,y,z,c);. - **/ - T& atNXYZC(const int pos, const int x, const int y, const int z, const int c) { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "atNXYZC(): Empty instance.", - cimglist_instance); - - return _atNXYZC(pos,x,y,z,c); - } - - //! Access to pixel value with Neumann boundary conditions \const. - T atNXYZC(const int pos, const int x, const int y, const int z, const int c) const { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "atNXYZC(): Empty instance.", - cimglist_instance); - - return _atNXYZC(pos,x,y,z,c); - } - - T& _atNXYZC(const int pos, const int x, const int y, const int z, const int c) { - return _data[pos<0?0:(pos>=(int)_width?(int)_width - 1:pos)].atXYZC(x,y,z,c); - } - - T _atNXYZC(const int pos, const int x, const int y, const int z, const int c) const { - return _data[pos<0?0:(pos>=(int)_width?(int)_width - 1:pos)].atXYZC(x,y,z,c); - } - - //! Access pixel value with Dirichlet boundary conditions for the 3 first coordinates (\c pos, \c x,\c y,\c z). - /** - \param pos Indice of the image element to access. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \param out_value Default value returned if \c offset is outside image bounds. - \note list.atNXYZ(p,x,y,z,c); is equivalent to list[p].atXYZ(x,y,z,c);. - **/ - T& atNXYZ(const int pos, const int x, const int y, const int z, const int c, const T& out_value) { - return (pos<0 || pos>=(int)_width)?(cimg::temporary(out_value)=out_value):_data[pos].atXYZ(x,y,z,c,out_value); - } - - //! Access pixel value with Dirichlet boundary conditions for the 3 first coordinates (\c pos, \c x,\c y,\c z) \const. - T atNXYZ(const int pos, const int x, const int y, const int z, const int c, const T& out_value) const { - return (pos<0 || pos>=(int)_width)?out_value:_data[pos].atXYZ(x,y,z,c,out_value); - } - - //! Access to pixel value with Neumann boundary conditions for the 4 first coordinates (\c pos, \c x,\c y,\c z). - /** - \param pos Indice of the image element to access. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note list.atNXYZ(p,x,y,z,c); is equivalent to list[p].atXYZ(x,y,z,c);. - **/ - T& atNXYZ(const int pos, const int x, const int y, const int z, const int c=0) { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "atNXYZ(): Empty instance.", - cimglist_instance); - - return _atNXYZ(pos,x,y,z,c); - } - - //! Access to pixel value with Neumann boundary conditions for the 4 first coordinates (\c pos, \c x,\c y,\c z) \const. - T atNXYZ(const int pos, const int x, const int y, const int z, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "atNXYZ(): Empty instance.", - cimglist_instance); - - return _atNXYZ(pos,x,y,z,c); - } - - T& _atNXYZ(const int pos, const int x, const int y, const int z, const int c=0) { - return _data[pos<0?0:(pos>=(int)_width?(int)_width - 1:pos)].atXYZ(x,y,z,c); - } - - T _atNXYZ(const int pos, const int x, const int y, const int z, const int c=0) const { - return _data[pos<0?0:(pos>=(int)_width?(int)_width - 1:pos)].atXYZ(x,y,z,c); - } - - //! Access to pixel value with Dirichlet boundary conditions for the 3 first coordinates (\c pos, \c x,\c y). - /** - \param pos Indice of the image element to access. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \param out_value Default value returned if \c offset is outside image bounds. - \note list.atNXYZ(p,x,y,z,c); is equivalent to list[p].atXYZ(x,y,z,c);. - **/ - T& atNXY(const int pos, const int x, const int y, const int z, const int c, const T& out_value) { - return (pos<0 || pos>=(int)_width)?(cimg::temporary(out_value)=out_value):_data[pos].atXY(x,y,z,c,out_value); - } - - //! Access to pixel value with Dirichlet boundary conditions for the 3 first coordinates (\c pos, \c x,\c y) \const. - T atNXY(const int pos, const int x, const int y, const int z, const int c, const T& out_value) const { - return (pos<0 || pos>=(int)_width)?out_value:_data[pos].atXY(x,y,z,c,out_value); - } - - //! Access to pixel value with Neumann boundary conditions for the 3 first coordinates (\c pos, \c x,\c y). - /** - \param pos Indice of the image element to access. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note list.atNXYZ(p,x,y,z,c); is equivalent to list[p].atXYZ(x,y,z,c);. - **/ - T& atNXY(const int pos, const int x, const int y, const int z=0, const int c=0) { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "atNXY(): Empty instance.", - cimglist_instance); - - return _atNXY(pos,x,y,z,c); - } - - //! Access to pixel value with Neumann boundary conditions for the 3 first coordinates (\c pos, \c x,\c y) \const. - T atNXY(const int pos, const int x, const int y, const int z=0, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "atNXY(): Empty instance.", - cimglist_instance); - - return _atNXY(pos,x,y,z,c); - } - - T& _atNXY(const int pos, const int x, const int y, const int z=0, const int c=0) { - return _data[pos<0?0:(pos>=(int)_width?(int)_width - 1:pos)].atXY(x,y,z,c); - } - - T _atNXY(const int pos, const int x, const int y, const int z=0, const int c=0) const { - return _data[pos<0?0:(pos>=(int)_width?(int)_width - 1:pos)].atXY(x,y,z,c); - } - - //! Access to pixel value with Dirichlet boundary conditions for the 2 first coordinates (\c pos,\c x). - /** - \param pos Indice of the image element to access. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \param out_value Default value returned if \c offset is outside image bounds. - \note list.atNXYZ(p,x,y,z,c); is equivalent to list[p].atXYZ(x,y,z,c);. - **/ - T& atNX(const int pos, const int x, const int y, const int z, const int c, const T& out_value) { - return (pos<0 || pos>=(int)_width)?(cimg::temporary(out_value)=out_value):_data[pos].atX(x,y,z,c,out_value); - } - - //! Access to pixel value with Dirichlet boundary conditions for the 2 first coordinates (\c pos,\c x) \const. - T atNX(const int pos, const int x, const int y, const int z, const int c, const T& out_value) const { - return (pos<0 || pos>=(int)_width)?out_value:_data[pos].atX(x,y,z,c,out_value); - } - - //! Access to pixel value with Neumann boundary conditions for the 2 first coordinates (\c pos, \c x). - /** - \param pos Indice of the image element to access. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note list.atNXYZ(p,x,y,z,c); is equivalent to list[p].atXYZ(x,y,z,c);. - **/ - T& atNX(const int pos, const int x, const int y=0, const int z=0, const int c=0) { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "atNX(): Empty instance.", - cimglist_instance); - - return _atNX(pos,x,y,z,c); - } - - //! Access to pixel value with Neumann boundary conditions for the 2 first coordinates (\c pos, \c x) \const. - T atNX(const int pos, const int x, const int y=0, const int z=0, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "atNX(): Empty instance.", - cimglist_instance); - - return _atNX(pos,x,y,z,c); - } - - T& _atNX(const int pos, const int x, const int y=0, const int z=0, const int c=0) { - return _data[pos<0?0:(pos>=(int)_width?(int)_width - 1:pos)].atX(x,y,z,c); - } - - T _atNX(const int pos, const int x, const int y=0, const int z=0, const int c=0) const { - return _data[pos<0?0:(pos>=(int)_width?(int)_width - 1:pos)].atX(x,y,z,c); - } - - //! Access to pixel value with Dirichlet boundary conditions for the first coordinate (\c pos). - /** - \param pos Indice of the image element to access. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \param out_value Default value returned if \c offset is outside image bounds. - \note list.atNXYZ(p,x,y,z,c); is equivalent to list[p].atXYZ(x,y,z,c);. - **/ - T& atN(const int pos, const int x, const int y, const int z, const int c, const T& out_value) { - return (pos<0 || pos>=(int)_width)?(cimg::temporary(out_value)=out_value):(*this)(pos,x,y,z,c); - } - - //! Access to pixel value with Dirichlet boundary conditions for the first coordinate (\c pos) \const. - T atN(const int pos, const int x, const int y, const int z, const int c, const T& out_value) const { - return (pos<0 || pos>=(int)_width)?out_value:(*this)(pos,x,y,z,c); - } - - //! Return pixel value with Neumann boundary conditions for the first coordinate (\c pos). - /** - \param pos Indice of the image element to access. - \param x X-coordinate of the pixel value. - \param y Y-coordinate of the pixel value. - \param z Z-coordinate of the pixel value. - \param c C-coordinate of the pixel value. - \note list.atNXYZ(p,x,y,z,c); is equivalent to list[p].atXYZ(x,y,z,c);. - **/ - T& atN(const int pos, const int x=0, const int y=0, const int z=0, const int c=0) { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "atN(): Empty instance.", - cimglist_instance); - return _atN(pos,x,y,z,c); - } - - //! Return pixel value with Neumann boundary conditions for the first coordinate (\c pos) \const. - T atN(const int pos, const int x=0, const int y=0, const int z=0, const int c=0) const { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "atN(): Empty instance.", - cimglist_instance); - return _atN(pos,x,y,z,c); - } - - T& _atN(const int pos, const int x=0, const int y=0, const int z=0, const int c=0) { - return _data[pos<0?0:(pos>=(int)_width?(int)_width - 1:pos)](x,y,z,c); - } - - T _atN(const int pos, const int x=0, const int y=0, const int z=0, const int c=0) const { - return _data[pos<0?0:(pos>=(int)_width?(int)_width - 1:pos)](x,y,z,c); - } - - //! Return a C-string containing the values of all images in the instance list. - /** - \param separator Character separator set between consecutive pixel values. - \param max_size Maximum size of the returned string. - \note The result is returne as a CImg image whose pixel buffer contains the desired C-string. - **/ - CImg value_string(const char separator=',', const unsigned int max_size=0) const { - if (is_empty()) return CImg(1,1,1,1,0); - CImgList items; - for (unsigned int l = 0; l<_width - 1; ++l) { - CImg item = _data[l].value_string(separator,0); - item.back() = separator; - item.move_to(items); - } - _data[_width - 1].value_string(separator,0).move_to(items); - CImg res; (items>'x').move_to(res); - if (max_size) { res.crop(0,max_size); res(max_size) = 0; } - return res; - } - - //@} - //------------------------------------- - // - //! \name Instance Checking - //@{ - //------------------------------------- - - //! Return \c true if list is empty. - /** - **/ - bool is_empty() const { - return (!_data || !_width); - } - - //! Test if number of image elements is equal to specified value. - /** - \param size_n Number of image elements to test. - **/ - bool is_sameN(const unsigned int size_n) const { - return _width==size_n; - } - - //! Test if number of image elements is equal between two images lists. - /** - \param list Input list to compare with. - **/ - template - bool is_sameN(const CImgList& list) const { - return is_sameN(list._width); - } - - // Define useful functions to check list dimensions. - // (cannot be documented because macro-generated). -#define _cimglist_def_is_same1(axis) \ - bool is_same##axis(const unsigned int val) const { \ - bool res = true; \ - for (unsigned int l = 0; l<_width && res; ++l) res = _data[l].is_same##axis(val); return res; \ - } \ - bool is_sameN##axis(const unsigned int n, const unsigned int val) const { \ - return is_sameN(n) && is_same##axis(val); \ - } \ - -#define _cimglist_def_is_same2(axis1,axis2) \ - bool is_same##axis1##axis2(const unsigned int val1, const unsigned int val2) const { \ - bool res = true; \ - for (unsigned int l = 0; l<_width && res; ++l) res = _data[l].is_same##axis1##axis2(val1,val2); return res; \ - } \ - bool is_sameN##axis1##axis2(const unsigned int n, const unsigned int val1, const unsigned int val2) const { \ - return is_sameN(n) && is_same##axis1##axis2(val1,val2); \ - } \ - -#define _cimglist_def_is_same3(axis1,axis2,axis3) \ - bool is_same##axis1##axis2##axis3(const unsigned int val1, const unsigned int val2, \ - const unsigned int val3) const { \ - bool res = true; \ - for (unsigned int l = 0; l<_width && res; ++l) res = _data[l].is_same##axis1##axis2##axis3(val1,val2,val3); \ - return res; \ - } \ - bool is_sameN##axis1##axis2##axis3(const unsigned int n, const unsigned int val1, \ - const unsigned int val2, const unsigned int val3) const { \ - return is_sameN(n) && is_same##axis1##axis2##axis3(val1,val2,val3); \ - } \ - -#define _cimglist_def_is_same(axis) \ - template bool is_same##axis(const CImg& img) const { \ - bool res = true; for (unsigned int l = 0; l<_width && res; ++l) res = _data[l].is_same##axis(img); return res; \ - } \ - template bool is_same##axis(const CImgList& list) const { \ - const unsigned int lmin = cimg::min(_width,list._width); \ - bool res = true; for (unsigned int l = 0; l bool is_sameN##axis(const unsigned int n, const CImg& img) const { \ - return (is_sameN(n) && is_same##axis(img)); \ - } \ - template bool is_sameN##axis(const CImgList& list) const { \ - return (is_sameN(list) && is_same##axis(list)); \ - } - - _cimglist_def_is_same(XY) - _cimglist_def_is_same(XZ) - _cimglist_def_is_same(XC) - _cimglist_def_is_same(YZ) - _cimglist_def_is_same(YC) - _cimglist_def_is_same(XYZ) - _cimglist_def_is_same(XYC) - _cimglist_def_is_same(YZC) - _cimglist_def_is_same(XYZC) - _cimglist_def_is_same1(X) - _cimglist_def_is_same1(Y) - _cimglist_def_is_same1(Z) - _cimglist_def_is_same1(C) - _cimglist_def_is_same2(X,Y) - _cimglist_def_is_same2(X,Z) - _cimglist_def_is_same2(X,C) - _cimglist_def_is_same2(Y,Z) - _cimglist_def_is_same2(Y,C) - _cimglist_def_is_same2(Z,C) - _cimglist_def_is_same3(X,Y,Z) - _cimglist_def_is_same3(X,Y,C) - _cimglist_def_is_same3(X,Z,C) - _cimglist_def_is_same3(Y,Z,C) - - //! Test if dimensions of each image of the list match specified arguments. - /** - \param dx Checked image width. - \param dy Checked image height. - \param dz Checked image depth. - \param dc Checked image spectrum. - **/ - bool is_sameXYZC(const unsigned int dx, const unsigned int dy, - const unsigned int dz, const unsigned int dc) const { - bool res = true; - for (unsigned int l = 0; l<_width && res; ++l) res = _data[l].is_sameXYZC(dx,dy,dz,dc); - return res; - } - - //! Test if list dimensions match specified arguments. - /** - \param n Number of images in the list. - \param dx Checked image width. - \param dy Checked image height. - \param dz Checked image depth. - \param dc Checked image spectrum. - **/ - bool is_sameNXYZC(const unsigned int n, - const unsigned int dx, const unsigned int dy, - const unsigned int dz, const unsigned int dc) const { - return is_sameN(n) && is_sameXYZC(dx,dy,dz,dc); - } - - //! Test if list contains one particular pixel location. - /** - \param n Index of the image whom checked pixel value belong to. - \param x X-coordinate of the checked pixel value. - \param y Y-coordinate of the checked pixel value. - \param z Z-coordinate of the checked pixel value. - \param c C-coordinate of the checked pixel value. - **/ - bool containsNXYZC(const int n, const int x=0, const int y=0, const int z=0, const int c=0) const { - if (is_empty()) return false; - return n>=0 && n<(int)_width && x>=0 && x<_data[n].width() && y>=0 && y<_data[n].height() && - z>=0 && z<_data[n].depth() && c>=0 && c<_data[n].spectrum(); - } - - //! Test if list contains image with specified indice. - /** - \param n Index of the checked image. - **/ - bool containsN(const int n) const { - if (is_empty()) return false; - return n>=0 && n<(int)_width; - } - - //! Test if one image of the list contains the specified referenced value. - /** - \param pixel Reference to pixel value to test. - \param[out] n Index of image containing the pixel value, if test succeeds. - \param[out] x X-coordinate of the pixel value, if test succeeds. - \param[out] y Y-coordinate of the pixel value, if test succeeds. - \param[out] z Z-coordinate of the pixel value, if test succeeds. - \param[out] c C-coordinate of the pixel value, if test succeeds. - \note If true, set coordinates (n,x,y,z,c). - **/ - template - bool contains(const T& pixel, t& n, t& x, t&y, t& z, t& c) const { - if (is_empty()) return false; - cimglist_for(*this,l) if (_data[l].contains(pixel,x,y,z,c)) { n = (t)l; return true; } - return false; - } - - //! Test if one of the image list contains the specified referenced value. - /** - \param pixel Reference to pixel value to test. - \param[out] n Index of image containing the pixel value, if test succeeds. - \param[out] x X-coordinate of the pixel value, if test succeeds. - \param[out] y Y-coordinate of the pixel value, if test succeeds. - \param[out] z Z-coordinate of the pixel value, if test succeeds. - \note If true, set coordinates (n,x,y,z). - **/ - template - bool contains(const T& pixel, t& n, t& x, t&y, t& z) const { - t c; - return contains(pixel,n,x,y,z,c); - } - - //! Test if one of the image list contains the specified referenced value. - /** - \param pixel Reference to pixel value to test. - \param[out] n Index of image containing the pixel value, if test succeeds. - \param[out] x X-coordinate of the pixel value, if test succeeds. - \param[out] y Y-coordinate of the pixel value, if test succeeds. - \note If true, set coordinates (n,x,y). - **/ - template - bool contains(const T& pixel, t& n, t& x, t&y) const { - t z, c; - return contains(pixel,n,x,y,z,c); - } - - //! Test if one of the image list contains the specified referenced value. - /** - \param pixel Reference to pixel value to test. - \param[out] n Index of image containing the pixel value, if test succeeds. - \param[out] x X-coordinate of the pixel value, if test succeeds. - \note If true, set coordinates (n,x). - **/ - template - bool contains(const T& pixel, t& n, t& x) const { - t y, z, c; - return contains(pixel,n,x,y,z,c); - } - - //! Test if one of the image list contains the specified referenced value. - /** - \param pixel Reference to pixel value to test. - \param[out] n Index of image containing the pixel value, if test succeeds. - \note If true, set coordinates (n). - **/ - template - bool contains(const T& pixel, t& n) const { - t x, y, z, c; - return contains(pixel,n,x,y,z,c); - } - - //! Test if one of the image list contains the specified referenced value. - /** - \param pixel Reference to pixel value to test. - **/ - bool contains(const T& pixel) const { - unsigned int n, x, y, z, c; - return contains(pixel,n,x,y,z,c); - } - - //! Test if the list contains the image 'img'. - /** - \param img Reference to image to test. - \param[out] n Index of image in the list, if test succeeds. - \note If true, returns the position (n) of the image in the list. - **/ - template - bool contains(const CImg& img, t& n) const { - if (is_empty()) return false; - const CImg *const ptr = &img; - cimglist_for(*this,i) if (_data + i==ptr) { n = (t)i; return true; } - return false; - } - - //! Test if the list contains the image img. - /** - \param img Reference to image to test. - **/ - bool contains(const CImg& img) const { - unsigned int n; - return contains(img,n); - } - - //@} - //------------------------------------- - // - //! \name Mathematical Functions - //@{ - //------------------------------------- - - //! Return a reference to the minimum pixel value of the instance list. - /** - **/ - T& min() { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "min(): Empty instance.", - cimglist_instance); - T *ptr_min = _data->_data; - T min_value = *ptr_min; - cimglist_for(*this,l) { - const CImg& img = _data[l]; - cimg_for(img,ptrs,T) if (*ptrs_data; - T min_value = *ptr_min; - cimglist_for(*this,l) { - const CImg& img = _data[l]; - cimg_for(img,ptrs,T) if (*ptrs_data; - T max_value = *ptr_max; - cimglist_for(*this,l) { - const CImg& img = _data[l]; - cimg_for(img,ptrs,T) if (*ptrs>max_value) max_value = *(ptr_max=ptrs); - } - return *ptr_max; - } - - //! Return a reference to the maximum pixel value of the instance list \const. - const T& max() const { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "max(): Empty instance.", - cimglist_instance); - const T *ptr_max = _data->_data; - T max_value = *ptr_max; - cimglist_for(*this,l) { - const CImg& img = _data[l]; - cimg_for(img,ptrs,T) if (*ptrs>max_value) max_value = *(ptr_max=ptrs); - } - return *ptr_max; - } - - //! Return a reference to the minimum pixel value of the instance list and return the maximum vvalue as well. - /** - \param[out] max_val Value of the maximum value found. - **/ - template - T& min_max(t& max_val) { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "min_max(): Empty instance.", - cimglist_instance); - T *ptr_min = _data->_data; - T min_value = *ptr_min, max_value = min_value; - cimglist_for(*this,l) { - const CImg& img = _data[l]; - cimg_for(img,ptrs,T) { - const T val = *ptrs; - if (valmax_value) max_value = val; - } - } - max_val = (t)max_value; - return *ptr_min; - } - - //! Return a reference to the minimum pixel value of the instance list and return the maximum vvalue as well \const. - /** - \param[out] max_val Value of the maximum value found. - **/ - template - const T& min_max(t& max_val) const { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "min_max(): Empty instance.", - cimglist_instance); - const T *ptr_min = _data->_data; - T min_value = *ptr_min, max_value = min_value; - cimglist_for(*this,l) { - const CImg& img = _data[l]; - cimg_for(img,ptrs,T) { - const T val = *ptrs; - if (valmax_value) max_value = val; - } - } - max_val = (t)max_value; - return *ptr_min; - } - - //! Return a reference to the minimum pixel value of the instance list and return the minimum value as well. - /** - \param[out] min_val Value of the minimum value found. - **/ - template - T& max_min(t& min_val) { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "max_min(): Empty instance.", - cimglist_instance); - T *ptr_max = _data->_data; - T min_value = *ptr_max, max_value = min_value; - cimglist_for(*this,l) { - const CImg& img = _data[l]; - cimg_for(img,ptrs,T) { - const T val = *ptrs; - if (val>max_value) { max_value = val; ptr_max = ptrs; } - if (val - const T& max_min(t& min_val) const { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "max_min(): Empty instance.", - cimglist_instance); - const T *ptr_max = _data->_data; - T min_value = *ptr_max, max_value = min_value; - cimglist_for(*this,l) { - const CImg& img = _data[l]; - cimg_for(img,ptrs,T) { - const T val = *ptrs; - if (val>max_value) { max_value = val; ptr_max = ptrs; } - if (val - CImgList& insert(const CImg& img, const unsigned int pos=~0U, const bool is_shared=false) { - const unsigned int npos = pos==~0U?_width:pos; - if (npos>_width) - throw CImgArgumentException(_cimglist_instance - "insert(): Invalid insertion request of specified image (%u,%u,%u,%u,%p) " - "at position %u.", - cimglist_instance, - img._width,img._height,img._depth,img._spectrum,img._data,npos); - if (is_shared) - throw CImgArgumentException(_cimglist_instance - "insert(): Invalid insertion request of specified shared image " - "CImg<%s>(%u,%u,%u,%u,%p) at position %u (pixel types are different).", - cimglist_instance, - img.pixel_type(),img._width,img._height,img._depth,img._spectrum,img._data,npos); - - CImg *const new_data = (++_width>_allocated_width)?new CImg[_allocated_width?(_allocated_width<<=1): - (_allocated_width=16)]:0; - if (!_data) { // Insert new element into empty list. - _data = new_data; - *_data = img; - } else { - if (new_data) { // Insert with re-allocation. - if (npos) std::memcpy(new_data,_data,sizeof(CImg)*npos); - if (npos!=_width - 1) std::memcpy(new_data + npos + 1,_data + npos,sizeof(CImg)*(_width - 1 - npos)); - std::memset(_data,0,sizeof(CImg)*(_width - 1)); - delete[] _data; - _data = new_data; - } else if (npos!=_width - 1) // Insert without re-allocation. - std::memmove(_data + npos + 1,_data + npos,sizeof(CImg)*(_width - 1 - npos)); - _data[npos]._width = _data[npos]._height = _data[npos]._depth = _data[npos]._spectrum = 0; - _data[npos]._data = 0; - _data[npos] = img; - } - return *this; - } - - //! Insert a copy of the image \c img into the current image list, at position \c pos \specialization. - CImgList& insert(const CImg& img, const unsigned int pos=~0U, const bool is_shared=false) { - const unsigned int npos = pos==~0U?_width:pos; - if (npos>_width) - throw CImgArgumentException(_cimglist_instance - "insert(): Invalid insertion request of specified image (%u,%u,%u,%u,%p) " - "at position %u.", - cimglist_instance, - img._width,img._height,img._depth,img._spectrum,img._data,npos); - CImg *const new_data = (++_width>_allocated_width)?new CImg[_allocated_width?(_allocated_width<<=1): - (_allocated_width=16)]:0; - if (!_data) { // Insert new element into empty list. - _data = new_data; - if (is_shared && img) { - _data->_width = img._width; - _data->_height = img._height; - _data->_depth = img._depth; - _data->_spectrum = img._spectrum; - _data->_is_shared = true; - _data->_data = img._data; - } else *_data = img; - } - else { - if (new_data) { // Insert with re-allocation. - if (npos) std::memcpy(new_data,_data,sizeof(CImg)*npos); - if (npos!=_width - 1) std::memcpy(new_data + npos + 1,_data + npos,sizeof(CImg)*(_width - 1 - npos)); - if (is_shared && img) { - new_data[npos]._width = img._width; - new_data[npos]._height = img._height; - new_data[npos]._depth = img._depth; - new_data[npos]._spectrum = img._spectrum; - new_data[npos]._is_shared = true; - new_data[npos]._data = img._data; - } else { - new_data[npos]._width = new_data[npos]._height = new_data[npos]._depth = new_data[npos]._spectrum = 0; - new_data[npos]._data = 0; - new_data[npos] = img; - } - std::memset(_data,0,sizeof(CImg)*(_width - 1)); - delete[] _data; - _data = new_data; - } else { // Insert without re-allocation. - if (npos!=_width - 1) std::memmove(_data + npos + 1,_data + npos,sizeof(CImg)*(_width - 1 - npos)); - if (is_shared && img) { - _data[npos]._width = img._width; - _data[npos]._height = img._height; - _data[npos]._depth = img._depth; - _data[npos]._spectrum = img._spectrum; - _data[npos]._is_shared = true; - _data[npos]._data = img._data; - } else { - _data[npos]._width = _data[npos]._height = _data[npos]._depth = _data[npos]._spectrum = 0; - _data[npos]._data = 0; - _data[npos] = img; - } - } - } - return *this; - } - - //! Insert a copy of the image \c img into the current image list, at position \c pos \newinstance. - template - CImgList get_insert(const CImg& img, const unsigned int pos=~0U, const bool is_shared=false) const { - return (+*this).insert(img,pos,is_shared); - } - - //! Insert n empty images img into the current image list, at position \p pos. - /** - \param n Number of empty images to insert. - \param pos Index of the insertion. - **/ - CImgList& insert(const unsigned int n, const unsigned int pos=~0U) { - CImg empty; - if (!n) return *this; - const unsigned int npos = pos==~0U?_width:pos; - for (unsigned int i = 0; i get_insert(const unsigned int n, const unsigned int pos=~0U) const { - return (+*this).insert(n,pos); - } - - //! Insert \c n copies of the image \c img into the current image list, at position \c pos. - /** - \param n Number of image copies to insert. - \param img Image to insert by copy. - \param pos Index of the insertion. - \param is_shared Tells if inserted images are shared copies of \c img or not. - **/ - template - CImgList& insert(const unsigned int n, const CImg& img, const unsigned int pos=~0U, - const bool is_shared=false) { - if (!n) return *this; - const unsigned int npos = pos==~0U?_width:pos; - insert(img,npos,is_shared); - for (unsigned int i = 1; i - CImgList get_insert(const unsigned int n, const CImg& img, const unsigned int pos=~0U, - const bool is_shared=false) const { - return (+*this).insert(n,img,pos,is_shared); - } - - //! Insert a copy of the image list \c list into the current image list, starting from position \c pos. - /** - \param list Image list to insert. - \param pos Index of the insertion. - \param is_shared Tells if inserted images are shared copies of images of \c list or not. - **/ - template - CImgList& insert(const CImgList& list, const unsigned int pos=~0U, const bool is_shared=false) { - const unsigned int npos = pos==~0U?_width:pos; - if ((void*)this!=(void*)&list) cimglist_for(list,l) insert(list[l],npos + l,is_shared); - else insert(CImgList(list),npos,is_shared); - return *this; - } - - //! Insert a copy of the image list \c list into the current image list, starting from position \c pos \newinstance. - template - CImgList get_insert(const CImgList& list, const unsigned int pos=~0U, const bool is_shared=false) const { - return (+*this).insert(list,pos,is_shared); - } - - //! Insert n copies of the list \c list at position \c pos of the current list. - /** - \param n Number of list copies to insert. - \param list Image list to insert. - \param pos Index of the insertion. - \param is_shared Tells if inserted images are shared copies of images of \c list or not. - **/ - template - CImgList& insert(const unsigned int n, const CImgList& list, const unsigned int pos=~0U, - const bool is_shared=false) { - if (!n) return *this; - const unsigned int npos = pos==~0U?_width:pos; - for (unsigned int i = 0; i - CImgList get_insert(const unsigned int n, const CImgList& list, const unsigned int pos=~0U, - const bool is_shared=false) const { - return (+*this).insert(n,list,pos,is_shared); - } - - //! Remove all images between from indexes. - /** - \param pos1 Starting index of the removal. - \param pos2 Ending index of the removal. - **/ - CImgList& remove(const unsigned int pos1, const unsigned int pos2) { - const unsigned int - npos1 = pos1=_width) - throw CImgArgumentException(_cimglist_instance - "remove(): Invalid remove request at positions %u->%u.", - cimglist_instance, - npos1,tpos2); - else { - if (tpos2>=_width) - throw CImgArgumentException(_cimglist_instance - "remove(): Invalid remove request at positions %u->%u.", - cimglist_instance, - npos1,tpos2); - - for (unsigned int k = npos1; k<=npos2; ++k) _data[k].assign(); - const unsigned int nb = 1 + npos2 - npos1; - if (!(_width-=nb)) return assign(); - if (_width>(_allocated_width>>2) || _allocated_width<=16) { // Removing items without reallocation. - if (npos1!=_width) std::memmove(_data + npos1,_data + npos2 + 1,sizeof(CImg)*(_width - npos1)); - std::memset(_data + _width,0,sizeof(CImg)*nb); - } else { // Removing items with reallocation. - _allocated_width>>=2; - while (_allocated_width>16 && _width<(_allocated_width>>1)) _allocated_width>>=1; - CImg *const new_data = new CImg[_allocated_width]; - if (npos1) std::memcpy(new_data,_data,sizeof(CImg)*npos1); - if (npos1!=_width) std::memcpy(new_data + npos1,_data + npos2 + 1,sizeof(CImg)*(_width - npos1)); - if (_width!=_allocated_width) std::memset(new_data + _width,0,sizeof(CImg)*(_allocated_width - _width)); - std::memset(_data,0,sizeof(CImg)*(_width + nb)); - delete[] _data; - _data = new_data; - } - } - return *this; - } - - //! Remove all images between from indexes \newinstance. - CImgList get_remove(const unsigned int pos1, const unsigned int pos2) const { - return (+*this).remove(pos1,pos2); - } - - //! Remove image at index \c pos from the image list. - /** - \param pos Index of the image to remove. - **/ - CImgList& remove(const unsigned int pos) { - return remove(pos,pos); - } - - //! Remove image at index \c pos from the image list \newinstance. - CImgList get_remove(const unsigned int pos) const { - return (+*this).remove(pos); - } - - //! Remove last image. - /** - **/ - CImgList& remove() { - return remove(_width - 1); - } - - //! Remove last image \newinstance. - CImgList get_remove() const { - return (+*this).remove(); - } - - //! Reverse list order. - CImgList& reverse() { - for (unsigned int l = 0; l<_width/2; ++l) (*this)[l].swap((*this)[_width - 1 - l]); - return *this; - } - - //! Reverse list order \newinstance. - CImgList get_reverse() const { - return (+*this).reverse(); - } - - //! Return a sublist. - /** - \param pos0 Starting index of the sublist. - \param pos1 Ending index of the sublist. - **/ - CImgList& images(const unsigned int pos0, const unsigned int pos1) { - return get_images(pos0,pos1).move_to(*this); - } - - //! Return a sublist \newinstance. - CImgList get_images(const unsigned int pos0, const unsigned int pos1) const { - if (pos0>pos1 || pos1>=_width) - throw CImgArgumentException(_cimglist_instance - "images(): Specified sub-list indices (%u->%u) are out of bounds.", - cimglist_instance, - pos0,pos1); - CImgList res(pos1 - pos0 + 1); - cimglist_for(res,l) res[l].assign(_data[pos0 + l]); - return res; - } - - //! Return a shared sublist. - /** - \param pos0 Starting index of the sublist. - \param pos1 Ending index of the sublist. - **/ - CImgList get_shared_images(const unsigned int pos0, const unsigned int pos1) { - if (pos0>pos1 || pos1>=_width) - throw CImgArgumentException(_cimglist_instance - "get_shared_images(): Specified sub-list indices (%u->%u) are out of bounds.", - cimglist_instance, - pos0,pos1); - CImgList res(pos1 - pos0 + 1); - cimglist_for(res,l) res[l].assign(_data[pos0 + l],_data[pos0 + l]?true:false); - return res; - } - - //! Return a shared sublist \newinstance. - const CImgList get_shared_images(const unsigned int pos0, const unsigned int pos1) const { - if (pos0>pos1 || pos1>=_width) - throw CImgArgumentException(_cimglist_instance - "get_shared_images(): Specified sub-list indices (%u->%u) are out of bounds.", - cimglist_instance, - pos0,pos1); - CImgList res(pos1 - pos0 + 1); - cimglist_for(res,l) res[l].assign(_data[pos0 + l],_data[pos0 + l]?true:false); - return res; - } - - //! Return a single image which is the appending of all images of the current CImgList instance. - /** - \param axis Appending axis. Can be { 'x' | 'y' | 'z' | 'c' }. - \param align Appending alignment. - **/ - CImg get_append(const char axis, const float align=0) const { - if (is_empty()) return CImg(); - if (_width==1) return +((*this)[0]); - unsigned int dx = 0, dy = 0, dz = 0, dc = 0, pos = 0; - CImg res; - switch (cimg::uncase(axis)) { - case 'x' : { // Along the X-axis. - cimglist_for(*this,l) { - const CImg& img = (*this)[l]; - if (img) { - dx+=img._width; - dy = cimg::max(dy,img._height); - dz = cimg::max(dz,img._depth); - dc = cimg::max(dc,img._spectrum); - } - } - res.assign(dx,dy,dz,dc,0); - if (res) cimglist_for(*this,l) { - const CImg& img = (*this)[l]; - if (img) res.draw_image(pos, - (int)(align*(dy - img._height)), - (int)(align*(dz - img._depth)), - (int)(align*(dc - img._spectrum)), - img); - pos+=img._width; - } - } break; - case 'y' : { // Along the Y-axis. - cimglist_for(*this,l) { - const CImg& img = (*this)[l]; - if (img) { - dx = cimg::max(dx,img._width); - dy+=img._height; - dz = cimg::max(dz,img._depth); - dc = cimg::max(dc,img._spectrum); - } - } - res.assign(dx,dy,dz,dc,0); - if (res) cimglist_for(*this,l) { - const CImg& img = (*this)[l]; - if (img) res.draw_image((int)(align*(dx - img._width)), - pos, - (int)(align*(dz - img._depth)), - (int)(align*(dc - img._spectrum)), - img); - pos+=img._height; - } - } break; - case 'z' : { // Along the Z-axis. - cimglist_for(*this,l) { - const CImg& img = (*this)[l]; - if (img) { - dx = cimg::max(dx,img._width); - dy = cimg::max(dy,img._height); - dz+=img._depth; - dc = cimg::max(dc,img._spectrum); - } - } - res.assign(dx,dy,dz,dc,0); - if (res) cimglist_for(*this,l) { - const CImg& img = (*this)[l]; - if (img) res.draw_image((int)(align*(dx - img._width)), - (int)(align*(dy - img._height)), - pos, - (int)(align*(dc - img._spectrum)), - img); - pos+=img._depth; - } - } break; - default : { // Along the C-axis. - cimglist_for(*this,l) { - const CImg& img = (*this)[l]; - if (img) { - dx = cimg::max(dx,img._width); - dy = cimg::max(dy,img._height); - dz = cimg::max(dz,img._depth); - dc+=img._spectrum; - } - } - res.assign(dx,dy,dz,dc,0); - if (res) cimglist_for(*this,l) { - const CImg& img = (*this)[l]; - if (img) res.draw_image((int)(align*(dx - img._width)), - (int)(align*(dy - img._height)), - (int)(align*(dz - img._depth)), - pos, - img); - pos+=img._spectrum; - } - } - } - return res; - } - - //! Return a list where each image has been split along the specified axis. - /** - \param axis Axis to split images along. - \param nb Number of spliting parts for each image. - **/ - CImgList& split(const char axis, const int nb=-1) { - return get_split(axis,nb).move_to(*this); - } - - //! Return a list where each image has been split along the specified axis \newinstance. - CImgList get_split(const char axis, const int nb=-1) const { - CImgList res; - cimglist_for(*this,l) _data[l].get_split(axis,nb).move_to(res,~0U); - return res; - } - - //! Insert image at the end of the list. - /** - \param img Image to insert. - **/ - template - CImgList& push_back(const CImg& img) { - return insert(img); - } - - //! Insert image at the front of the list. - /** - \param img Image to insert. - **/ - template - CImgList& push_front(const CImg& img) { - return insert(img,0); - } - - //! Insert list at the end of the current list. - /** - \param list List to insert. - **/ - template - CImgList& push_back(const CImgList& list) { - return insert(list); - } - - //! Insert list at the front of the current list. - /** - \param list List to insert. - **/ - template - CImgList& push_front(const CImgList& list) { - return insert(list,0); - } - - //! Remove last image. - /** - **/ - CImgList& pop_back() { - return remove(_width - 1); - } - - //! Remove first image. - /** - **/ - CImgList& pop_front() { - return remove(0); - } - - //! Remove image pointed by iterator. - /** - \param iter Iterator pointing to the image to remove. - **/ - CImgList& erase(const iterator iter) { - return remove(iter - _data); - } - - //@} - //---------------------------------- - // - //! \name Data Input - //@{ - //---------------------------------- - - //! Display a simple interactive interface to select images or sublists. - /** - \param disp Window instance to display selection and user interface. - \param feature_type Can be \c false to select a single image, or \c true to select a sublist. - \param axis Axis along whom images are appended for visualization. - \param align Alignment setting when images have not all the same size. - \return A one-column vector containing the selected image indexes. - **/ - CImg get_select(CImgDisplay &disp, const bool feature_type=true, - const char axis='x', const float align=0, - const bool exit_on_anykey=false) const { - return _get_select(disp,0,feature_type,axis,align,exit_on_anykey,0,false,false,false); - } - - //! Display a simple interactive interface to select images or sublists. - /** - \param title Title of a new window used to display selection and user interface. - \param feature_type Can be \c false to select a single image, or \c true to select a sublist. - \param axis Axis along whom images are appended for visualization. - \param align Alignment setting when images have not all the same size. - \return A one-column vector containing the selected image indexes. - **/ - CImg get_select(const char *const title, const bool feature_type=true, - const char axis='x', const float align=0, - const bool exit_on_anykey=false) const { - CImgDisplay disp; - return _get_select(disp,title,feature_type,axis,align,exit_on_anykey,0,false,false,false); - } - - CImg _get_select(CImgDisplay &disp, const char *const title, const bool feature_type, - const char axis, const float align, const bool exit_on_anykey, - const unsigned int orig, const bool resize_disp, - const bool exit_on_rightbutton, const bool exit_on_wheel) const { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "select(): Empty instance.", - cimglist_instance); - - // Create image correspondence table and get list dimensions for visualization. - CImgList _indices; - unsigned int max_width = 0, max_height = 0, sum_width = 0, sum_height = 0; - cimglist_for(*this,l) { - const CImg& img = _data[l]; - const unsigned int - w = CImgDisplay::_fitscreen(img._width,img._height,img._depth,128,-85,false), - h = CImgDisplay::_fitscreen(img._width,img._height,img._depth,128,-85,true); - if (w>max_width) max_width = w; - if (h>max_height) max_height = h; - sum_width+=w; sum_height+=h; - if (axis=='x') CImg(w,1,1,1,(unsigned int)l).move_to(_indices); - else CImg(h,1,1,1,(unsigned int)l).move_to(_indices); - } - const CImg indices0 = _indices>'x'; - - // Create display window. - if (!disp) { - if (axis=='x') disp.assign(cimg_fitscreen(sum_width,max_height,1),title?title:0,1); - else disp.assign(cimg_fitscreen(max_width,sum_height,1),title?title:0,1); - if (!title) disp.set_title("CImgList<%s> (%u)",pixel_type(),_width); - } else if (title) disp.set_title("%s",title); - if (resize_disp) { - if (axis=='x') disp.resize(cimg_fitscreen(sum_width,max_height,1),false); - else disp.resize(cimg_fitscreen(max_width,sum_height,1),false); - } - - const unsigned int old_normalization = disp.normalization(); - bool old_is_resized = disp.is_resized(); - disp._normalization = 0; - disp.show().set_key(0); - static const unsigned char foreground_color[] = { 255,255,255 }, background_color[] = { 0,0,0 }; - - // Enter event loop. - CImg visu0, visu; - CImg indices; - CImg positions(_width,4,1,1,-1); - int oindice0 = -1, oindice1 = -1, indice0 = -1, indice1 = -1; - bool is_clicked = false, is_selected = false, text_down = false, update_display = true; - unsigned int key = 0; - - while (!is_selected && !disp.is_closed() && !key) { - - // Create background image. - if (!visu0) { - visu0.assign(disp._width,disp._height,1,3,0); visu.assign(); - (indices0.get_resize(axis=='x'?visu0._width:visu0._height,1)).move_to(indices); - unsigned int ind = 0; - if (axis=='x') for (unsigned int x = 0; x - onexone(1,1,1,1,0), - &src = _data[ind]?_data[ind]:onexone; - CImg res; - src.__get_select(disp,old_normalization,(src._width - 1)/2,(src._height - 1)/2,(src._depth - 1)/2). - move_to(res); - const unsigned int h = CImgDisplay::_fitscreen(res._width,res._height,1,128,-85,true); - res.resize(x - x0,cimg::max(32U,h*disp._height/max_height),1,res._spectrum==1?3:-100); - positions(ind,0) = positions(ind,2) = (int)x0; - positions(ind,1) = positions(ind,3) = (int)(align*(visu0.height() - res.height())); - positions(ind,2)+=res._width; - positions(ind,3)+=res._height - 1; - visu0.draw_image(positions(ind,0),positions(ind,1),res); - } else for (unsigned int y = 0; y &src = _data[ind]; - const CImg - img2d = src._depth>1?src.get_projections2d((src._width - 1)/2,(src._height - 1)/2,(src._depth - 1)/2): - cimg::type::string()==cimg::type::string()?src.get_shared():src; - CImg res = old_normalization==1 || - (old_normalization==3 && cimg::type::string()!=cimg::type::string())? - CImg(img2d.get_normalize(0,255)): - CImg(img2d); - if (res._spectrum>3) res.channels(0,2); - const unsigned int w = CImgDisplay::_fitscreen(res._width,res._height,1,128,-85,false); - res.resize(cimg::max(32U,w*disp._width/max_width),y - y0,1,res._spectrum==1?3:-100); - positions(ind,0) = positions(ind,2) = (int)(align*(visu0.width() - res.width())); - positions(ind,1) = positions(ind,3) = (int)y0; - positions(ind,2)+=res._width - 1; - positions(ind,3)+=res._height; - visu0.draw_image(positions(ind,0),positions(ind,1),res); - } - if (axis=='x') --positions(ind,2); else --positions(ind,3); - update_display = true; - } - - if (!visu || oindice0!=indice0 || oindice1!=indice1) { - if (indice0>=0 && indice1>=0) { - visu.assign(visu0,false); - const int indm = cimg::min(indice0,indice1), indM = cimg::max(indice0,indice1); - for (int ind = indm; ind<=indM; ++ind) if (positions(ind,0)>=0) { - visu.draw_rectangle(positions(ind,0),positions(ind,1),positions(ind,2),positions(ind,3), - background_color,0.2f); - if ((axis=='x' && positions(ind,2) - positions(ind,0)>=8) || - (axis!='x' && positions(ind,3) - positions(ind,1)>=8)) - visu.draw_rectangle(positions(ind,0),positions(ind,1),positions(ind,2),positions(ind,3), - foreground_color,0.9f,0xAAAAAAAA); - } - const int yt = (int)text_down?visu.height() - 13:0; - if (is_clicked) visu.draw_text(0,yt," Images #%u - #%u, Size = %u", - foreground_color,background_color,0.7f,13, - orig + indm,orig + indM,indM - indm + 1); - else visu.draw_text(0,yt," Image #%u (%u,%u,%u,%u)",foreground_color,background_color,0.7f,13, - orig + indice0, - _data[indice0]._width, - _data[indice0]._height, - _data[indice0]._depth, - _data[indice0]._spectrum); - update_display = true; - } else visu.assign(); - } - if (!visu) { visu.assign(visu0,true); update_display = true; } - if (update_display) { visu.display(disp); update_display = false; } - disp.wait(); - - // Manage user events. - const int xm = disp.mouse_x(), ym = disp.mouse_y(); - int indice = -1; - - if (xm>=0) { - indice = (int)indices(axis=='x'?xm:ym); - if (disp.button()&1) { - if (!is_clicked) { is_clicked = true; oindice0 = indice0; indice0 = indice; } - oindice1 = indice1; indice1 = indice; - if (!feature_type) is_selected = true; - } else { - if (!is_clicked) { oindice0 = oindice1 = indice0; indice0 = indice1 = indice; } - else is_selected = true; - } - } else { - if (is_clicked) { - if (!(disp.button()&1)) { is_clicked = is_selected = false; indice0 = indice1 = -1; } - else indice1 = -1; - } else indice0 = indice1 = -1; - } - - if (disp.button()&4) { is_clicked = is_selected = false; indice0 = indice1 = -1; } - if (disp.button()&2 && exit_on_rightbutton) { is_selected = true; indice1 = indice0 = -1; } - if (disp.wheel() && exit_on_wheel) is_selected = true; - - CImg filename(32); - switch (key = disp.key()) { -#if cimg_OS!=2 - case cimg::keyCTRLRIGHT : -#endif - case 0 : case cimg::keyCTRLLEFT : key = 0; break; - case cimg::keyD : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(CImgDisplay::_fitscreen(3*disp.width()/2,3*disp.height()/2,1,128,-100,false), - CImgDisplay::_fitscreen(3*disp.width()/2,3*disp.height()/2,1,128,-100,true),false). - _is_resized = true; - disp.set_key(key,false); key = 0; visu0.assign(); - } break; - case cimg::keyC : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(cimg_fitscreen(2*disp.width()/3,2*disp.height()/3,1),false)._is_resized = true; - disp.set_key(key,false); key = 0; visu0.assign(); - } break; - case cimg::keyR : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.set_fullscreen(false). - resize(cimg_fitscreen(axis=='x'?sum_width:max_width,axis=='x'?max_height:sum_height,1),false). - _is_resized = true; - disp.set_key(key,false); key = 0; visu0.assign(); - } break; - case cimg::keyF : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - disp.resize(disp.screen_width(),disp.screen_height(),false).toggle_fullscreen()._is_resized = true; - disp.set_key(key,false); key = 0; visu0.assign(); - } break; - case cimg::keyS : if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - static unsigned int snap_number = 0; - std::FILE *file; - do { - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.bmp",snap_number++); - if ((file=std::fopen(filename,"r"))!=0) cimg::fclose(file); - } while (file); - if (visu0) { - (+visu0).draw_text(0,0," Saving snapshot... ", - foreground_color,background_color,0.7f,13).display(disp); - visu0.save(filename); - (+visu0).draw_text(0,0," Snapshot '%s' saved. ", - foreground_color,background_color,0.7f,13,filename._data).display(disp); - } - disp.set_key(key,false).wait(); key = 0; - } break; - case cimg::keyO : - if (disp.is_keyCTRLLEFT() || disp.is_keyCTRLRIGHT()) { - static unsigned int snap_number = 0; - std::FILE *file; - do { -#ifdef cimg_use_zlib - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.cimgz",snap_number++); -#else - cimg_snprintf(filename,filename._width,cimg_appname "_%.4u.cimg",snap_number++); -#endif - if ((file=std::fopen(filename,"r"))!=0) cimg::fclose(file); - } while (file); - (+visu0).draw_text(0,0," Saving instance... ", - foreground_color,background_color,0.7f,13).display(disp); - save(filename); - (+visu0).draw_text(0,0," Instance '%s' saved. ", - foreground_color,background_color,0.7f,13,filename._data).display(disp); - disp.set_key(key,false).wait(); key = 0; - } break; - } - if (disp.is_resized()) { disp.resize(false); visu0.assign(); } - if (ym>=0 && ym<13) { if (!text_down) { visu.assign(); text_down = true; }} - else if (ym>=visu.height() - 13) { if(text_down) { visu.assign(); text_down = false; }} - if (!exit_on_anykey && key && key!=cimg::keyESC && - (key!=cimg::keyW || (!disp.is_keyCTRLLEFT() && !disp.is_keyCTRLRIGHT()))) { - key = 0; - } - } - CImg res(1,2,1,1,-1); - if (is_selected) { - if (feature_type) res.fill(cimg::min(indice0,indice1),cimg::max(indice0,indice1)); - else res.fill(indice0); - } - if (!(disp.button()&2)) disp.set_button(); - disp._normalization = old_normalization; - disp._is_resized = old_is_resized; - disp.set_key(key); - return res; - } - - //! Load a list from a file. - /** - \param filename Filename to read data from. - **/ - CImgList& load(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimglist_instance - "load(): Specified filename is (null).", - cimglist_instance); - - if (!cimg::strncasecmp(filename,"http://",7) || !cimg::strncasecmp(filename,"https://",8)) { - CImg filename_local(256); - load(cimg::load_network(filename,filename_local)); - std::remove(filename_local); - return *this; - } - - const bool is_stdin = *filename=='-' && (!filename[1] || filename[1]=='.'); - const char *const ext = cimg::split_filename(filename); - const unsigned int omode = cimg::exception_mode(); - cimg::exception_mode(0); - try { -#ifdef cimglist_load_plugin - cimglist_load_plugin(filename); -#endif -#ifdef cimglist_load_plugin1 - cimglist_load_plugin1(filename); -#endif -#ifdef cimglist_load_plugin2 - cimglist_load_plugin2(filename); -#endif -#ifdef cimglist_load_plugin3 - cimglist_load_plugin3(filename); -#endif -#ifdef cimglist_load_plugin4 - cimglist_load_plugin4(filename); -#endif -#ifdef cimglist_load_plugin5 - cimglist_load_plugin5(filename); -#endif -#ifdef cimglist_load_plugin6 - cimglist_load_plugin6(filename); -#endif -#ifdef cimglist_load_plugin7 - cimglist_load_plugin7(filename); -#endif -#ifdef cimglist_load_plugin8 - cimglist_load_plugin8(filename); -#endif - if (!cimg::strcasecmp(ext,"tif") || - !cimg::strcasecmp(ext,"tiff")) load_tiff(filename); - else if (!cimg::strcasecmp(ext,"gif")) load_gif_external(filename); - else if (!cimg::strcasecmp(ext,"cimg") || - !cimg::strcasecmp(ext,"cimgz") || - !*ext) load_cimg(filename); - else if (!cimg::strcasecmp(ext,"rec") || - !cimg::strcasecmp(ext,"par")) load_parrec(filename); - else if (!cimg::strcasecmp(ext,"avi") || - !cimg::strcasecmp(ext,"mov") || - !cimg::strcasecmp(ext,"asf") || - !cimg::strcasecmp(ext,"divx") || - !cimg::strcasecmp(ext,"flv") || - !cimg::strcasecmp(ext,"mpg") || - !cimg::strcasecmp(ext,"m1v") || - !cimg::strcasecmp(ext,"m2v") || - !cimg::strcasecmp(ext,"m4v") || - !cimg::strcasecmp(ext,"mjp") || - !cimg::strcasecmp(ext,"mp4") || - !cimg::strcasecmp(ext,"mkv") || - !cimg::strcasecmp(ext,"mpe") || - !cimg::strcasecmp(ext,"movie") || - !cimg::strcasecmp(ext,"ogm") || - !cimg::strcasecmp(ext,"ogg") || - !cimg::strcasecmp(ext,"ogv") || - !cimg::strcasecmp(ext,"qt") || - !cimg::strcasecmp(ext,"rm") || - !cimg::strcasecmp(ext,"vob") || - !cimg::strcasecmp(ext,"wmv") || - !cimg::strcasecmp(ext,"xvid") || - !cimg::strcasecmp(ext,"mpeg")) load_video(filename); - else if (!cimg::strcasecmp(ext,"gz")) load_gzip_external(filename); - else throw CImgIOException("CImgList<%s>::load()", - pixel_type()); - } catch (CImgIOException&) { - std::FILE *file = 0; - if (!is_stdin) try { - file = cimg::fopen(filename,"rb"); - } catch (CImgIOException&) { - cimg::exception_mode(omode); - throw CImgIOException(_cimglist_instance - "load(): Failed to open file '%s'.", - cimglist_instance, - filename); - } - - try { - if (!is_stdin) { - const char *const f_type = cimg::ftype(file,filename); - std::fclose(file); - if (!cimg::strcasecmp(f_type,"gif")) load_gif_external(filename); - else if (!cimg::strcasecmp(f_type,"tif")) load_tiff(filename); - else throw CImgIOException("CImgList<%s>::load()", - pixel_type()); - } else throw CImgIOException("CImgList<%s>::load()", - pixel_type()); - } catch (CImgIOException&) { - assign(1); - try { - _data->load(filename); - } catch (CImgIOException&) { - cimg::exception_mode(omode); - throw CImgIOException(_cimglist_instance - "load(): Failed to recognize format of file '%s'.", - cimglist_instance, - filename); - } - } - } - cimg::exception_mode(omode); - return *this; - } - - //! Load a list from a file \newinstance. - static CImgList get_load(const char *const filename) { - return CImgList().load(filename); - } - - //! Load a list from a .cimg file. - /** - \param filename Filename to read data from. - **/ - CImgList& load_cimg(const char *const filename) { - return _load_cimg(0,filename); - } - - //! Load a list from a .cimg file \newinstance. - static CImgList get_load_cimg(const char *const filename) { - return CImgList().load_cimg(filename); - } - - //! Load a list from a .cimg file. - /** - \param file File to read data from. - **/ - CImgList& load_cimg(std::FILE *const file) { - return _load_cimg(file,0); - } - - //! Load a list from a .cimg file \newinstance. - static CImgList get_load_cimg(std::FILE *const file) { - return CImgList().load_cimg(file); - } - - CImgList& _load_cimg(std::FILE *const file, const char *const filename) { -#ifdef cimg_use_zlib -#define _cimgz_load_cimg_case(Tss) { \ - Bytef *const cbuf = new Bytef[csiz]; \ - cimg::fread(cbuf,csiz,nfile); \ - raw.assign(W,H,D,C); \ - unsigned long destlen = (unsigned long)raw.size()*sizeof(Tss); \ - uncompress((Bytef*)raw._data,&destlen,cbuf,csiz); \ - delete[] cbuf; \ - if (endian!=cimg::endianness()) cimg::invert_endianness(raw._data,raw.size()); \ - raw.move_to(img); \ -} -#else -#define _cimgz_load_cimg_case(Tss) \ - throw CImgIOException(_cimglist_instance \ - "load_cimg(): Unable to load compressed data from file '%s' unless zlib is enabled.", \ - cimglist_instance, \ - filename?filename:"(FILE*)"); -#endif - -#define _cimg_load_cimg_case(Ts,Tss) \ - if (!loaded && !cimg::strcasecmp(Ts,str_pixeltype)) { \ - for (unsigned int l = 0; l=0 && j<255) tmp[j++] = (char)i; tmp[j] = 0; \ - W = H = D = C = 0; csiz = 0; \ - if ((err = cimg_sscanf(tmp,"%u %u %u %u #%lu",&W,&H,&D,&C,&csiz))<4) \ - throw CImgIOException(_cimglist_instance \ - "load_cimg(): Invalid specified size (%u,%u,%u,%u) of image %u in file '%s'.", \ - cimglist_instance, \ - W,H,D,C,l,filename?filename:("(FILE*)")); \ - if (W*H*D*C>0) { \ - CImg raw; \ - CImg &img = _data[l]; \ - if (err==5) _cimgz_load_cimg_case(Tss) \ - else { \ - img.assign(W,H,D,C); \ - T *ptrd = img._data; \ - for (unsigned long to_read = img.size(); to_read; ) { \ - raw.assign(cimg::min(to_read,cimg_iobuffer)); \ - cimg::fread(raw._data,raw._width,nfile); \ - if (endian!=cimg::endianness()) cimg::invert_endianness(raw._data,raw.size()); \ - const Tss *ptrs = raw._data; \ - for (unsigned long off = (unsigned long)raw._width; off; --off) *(ptrd++) = (T)*(ptrs++); \ - to_read-=raw._width; \ - } \ - } \ - } \ - } \ - loaded = true; \ - } - - if (!filename && !file) - throw CImgArgumentException(_cimglist_instance - "load_cimg(): Specified filename is (null).", - cimglist_instance); - - const unsigned long cimg_iobuffer = 24*1024*1024; - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - bool loaded = false, endian = cimg::endianness(); - CImg tmp(256), str_pixeltype(256), str_endian(256); - *tmp = *str_pixeltype = *str_endian = 0; - unsigned int j, N = 0, W, H, D, C; - unsigned long csiz; - int i, err; - do { - j = 0; while ((i=std::fgetc(nfile))!='\n' && i>=0 && j<255) tmp[j++] = (char)i; tmp[j] = 0; - } while (*tmp=='#' && i>=0); - err = cimg_sscanf(tmp,"%u%*c%255[A-Za-z_]%*c%255[sA-Za-z_ ]", - &N,str_pixeltype._data,str_endian._data); - if (err<2) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimglist_instance - "load_cimg(): CImg header not found in file '%s'.", - cimglist_instance, - filename?filename:"(FILE*)"); - } - if (!cimg::strncasecmp("little",str_endian,6)) endian = false; - else if (!cimg::strncasecmp("big",str_endian,3)) endian = true; - assign(N); - _cimg_load_cimg_case("bool",bool); - _cimg_load_cimg_case("unsigned_char",unsigned char); - _cimg_load_cimg_case("uchar",unsigned char); - _cimg_load_cimg_case("char",char); - _cimg_load_cimg_case("unsigned_short",unsigned short); - _cimg_load_cimg_case("ushort",unsigned short); - _cimg_load_cimg_case("short",short); - _cimg_load_cimg_case("unsigned_int",unsigned int); - _cimg_load_cimg_case("uint",unsigned int); - _cimg_load_cimg_case("int",int); - _cimg_load_cimg_case("unsigned_long",unsigned long); - _cimg_load_cimg_case("ulong",unsigned long); - _cimg_load_cimg_case("long",long); - _cimg_load_cimg_case("float",float); - _cimg_load_cimg_case("double",double); - - if (!loaded) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimglist_instance - "load_cimg(): Unsupported pixel type '%s' for file '%s'.", - cimglist_instance, - str_pixeltype._data,filename?filename:"(FILE*)"); - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Load a sublist list from a (non compressed) .cimg file. - /** - \param filename Filename to read data from. - \param n0 Starting index of images to read (~0U for max). - \param n1 Ending index of images to read (~0U for max). - \param x0 Starting X-coordinates of image regions to read. - \param y0 Starting Y-coordinates of image regions to read. - \param z0 Starting Z-coordinates of image regions to read. - \param c0 Starting C-coordinates of image regions to read. - \param x1 Ending X-coordinates of image regions to read (~0U for max). - \param y1 Ending Y-coordinates of image regions to read (~0U for max). - \param z1 Ending Z-coordinates of image regions to read (~0U for max). - \param c1 Ending C-coordinates of image regions to read (~0U for max). - **/ - CImgList& load_cimg(const char *const filename, - const unsigned int n0, const unsigned int n1, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0, - const unsigned int x1, const unsigned int y1, - const unsigned int z1, const unsigned int c1) { - return _load_cimg(0,filename,n0,n1,x0,y0,z0,c0,x1,y1,z1,c1); - } - - //! Load a sublist list from a (non compressed) .cimg file \newinstance. - static CImgList get_load_cimg(const char *const filename, - const unsigned int n0, const unsigned int n1, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0, - const unsigned int x1, const unsigned int y1, - const unsigned int z1, const unsigned int c1) { - return CImgList().load_cimg(filename,n0,n1,x0,y0,z0,c0,x1,y1,z1,c1); - } - - //! Load a sub-image list from a (non compressed) .cimg file \overloading. - CImgList& load_cimg(std::FILE *const file, - const unsigned int n0, const unsigned int n1, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0, - const unsigned int x1, const unsigned int y1, - const unsigned int z1, const unsigned int c1) { - return _load_cimg(file,0,n0,n1,x0,y0,z0,c0,x1,y1,z1,c1); - } - - //! Load a sub-image list from a (non compressed) .cimg file \newinstance. - static CImgList get_load_cimg(std::FILE *const file, - const unsigned int n0, const unsigned int n1, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0, - const unsigned int x1, const unsigned int y1, - const unsigned int z1, const unsigned int c1) { - return CImgList().load_cimg(file,n0,n1,x0,y0,z0,c0,x1,y1,z1,c1); - } - - CImgList& _load_cimg(std::FILE *const file, const char *const filename, - const unsigned int n0, const unsigned int n1, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0, - const unsigned int x1, const unsigned int y1, - const unsigned int z1, const unsigned int c1) { -#define _cimg_load_cimg_case2(Ts,Tss) \ - if (!loaded && !cimg::strcasecmp(Ts,str_pixeltype)) { \ - for (unsigned int l = 0; l<=nn1; ++l) { \ - j = 0; while ((i=std::fgetc(nfile))!='\n' && i>=0) tmp[j++] = (char)i; tmp[j] = 0; \ - W = H = D = C = 0; \ - if (cimg_sscanf(tmp,"%u %u %u %u",&W,&H,&D,&C)!=4) \ - throw CImgIOException(_cimglist_instance \ - "load_cimg(): Invalid specified size (%u,%u,%u,%u) of image %u in file '%s'", \ - cimglist_instance, \ - W,H,D,C,l,filename?filename:"(FILE*)"); \ - if (W*H*D*C>0) { \ - if (l=W || ny0>=H || nz0>=D || nc0>=C) std::fseek(nfile,W*H*D*C*sizeof(Tss),SEEK_CUR); \ - else { \ - const unsigned int \ - _nx1 = nx1==~0U?W - 1:nx1, \ - _ny1 = ny1==~0U?H - 1:ny1, \ - _nz1 = nz1==~0U?D - 1:nz1, \ - _nc1 = nc1==~0U?C - 1:nc1; \ - if (_nx1>=W || _ny1>=H || _nz1>=D || _nc1>=C) \ - throw CImgArgumentException(_cimglist_instance \ - "load_cimg(): Invalid specified coordinates " \ - "[%u](%u,%u,%u,%u) -> [%u](%u,%u,%u,%u) " \ - "because image [%u] in file '%s' has size (%u,%u,%u,%u).", \ - cimglist_instance, \ - n0,x0,y0,z0,c0,n1,x1,y1,z1,c1,l,filename?filename:"(FILE*)",W,H,D,C); \ - CImg raw(1 + _nx1 - nx0); \ - CImg &img = _data[l - nn0]; \ - img.assign(1 + _nx1 - nx0,1 + _ny1 - ny0,1 + _nz1 - nz0,1 + _nc1 - nc0); \ - T *ptrd = img._data; \ - const unsigned int skipvb = nc0*W*H*D*sizeof(Tss); \ - if (skipvb) std::fseek(nfile,skipvb,SEEK_CUR); \ - for (unsigned int c = 1 + _nc1 - nc0; c; --c) { \ - const unsigned int skipzb = nz0*W*H*sizeof(Tss); \ - if (skipzb) std::fseek(nfile,skipzb,SEEK_CUR); \ - for (unsigned int z = 1 + _nz1 - nz0; z; --z) { \ - const unsigned int skipyb = ny0*W*sizeof(Tss); \ - if (skipyb) std::fseek(nfile,skipyb,SEEK_CUR); \ - for (unsigned int y = 1 + _ny1 - ny0; y; --y) { \ - const unsigned int skipxb = nx0*sizeof(Tss); \ - if (skipxb) std::fseek(nfile,skipxb,SEEK_CUR); \ - cimg::fread(raw._data,raw._width,nfile); \ - if (endian!=cimg::endianness()) cimg::invert_endianness(raw._data,raw._width); \ - const Tss *ptrs = raw._data; \ - for (unsigned int off = raw._width; off; --off) *(ptrd++) = (T)*(ptrs++); \ - const unsigned int skipxe = (W - 1 - _nx1)*sizeof(Tss); \ - if (skipxe) std::fseek(nfile,skipxe,SEEK_CUR); \ - } \ - const unsigned int skipye = (H - 1 - _ny1)*W*sizeof(Tss); \ - if (skipye) std::fseek(nfile,skipye,SEEK_CUR); \ - } \ - const unsigned int skipze = (D - 1 - _nz1)*W*H*sizeof(Tss); \ - if (skipze) std::fseek(nfile,skipze,SEEK_CUR); \ - } \ - const unsigned int skipve = (C - 1 - _nc1)*W*H*D*sizeof(Tss); \ - if (skipve) std::fseek(nfile,skipve,SEEK_CUR); \ - } \ - } \ - } \ - loaded = true; \ - } - - if (!filename && !file) - throw CImgArgumentException(_cimglist_instance - "load_cimg(): Specified filename is (null).", - cimglist_instance); - unsigned int - nn0 = cimg::min(n0,n1), nn1 = cimg::max(n0,n1), - nx0 = cimg::min(x0,x1), nx1 = cimg::max(x0,x1), - ny0 = cimg::min(y0,y1), ny1 = cimg::max(y0,y1), - nz0 = cimg::min(z0,z1), nz1 = cimg::max(z0,z1), - nc0 = cimg::min(c0,c1), nc1 = cimg::max(c0,c1); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - bool loaded = false, endian = cimg::endianness(); - CImg tmp(256), str_pixeltype(256), str_endian(256); - *tmp = *str_pixeltype = *str_endian = 0; - unsigned int j, N, W, H, D, C; - int i, err; - j = 0; while ((i=std::fgetc(nfile))!='\n' && i!=EOF && j<256) tmp[j++] = (char)i; tmp[j] = 0; - err = cimg_sscanf(tmp,"%u%*c%255[A-Za-z_]%*c%255[sA-Za-z_ ]", - &N,str_pixeltype._data,str_endian._data); - if (err<2) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimglist_instance - "load_cimg(): CImg header not found in file '%s'.", - cimglist_instance, - filename?filename:"(FILE*)"); - } - if (!cimg::strncasecmp("little",str_endian,6)) endian = false; - else if (!cimg::strncasecmp("big",str_endian,3)) endian = true; - nn1 = n1==~0U?N - 1:n1; - if (nn1>=N) - throw CImgArgumentException(_cimglist_instance - "load_cimg(): Invalid specified coordinates [%u](%u,%u,%u,%u) -> [%u](%u,%u,%u,%u) " - "because file '%s' contains only %u images.", - cimglist_instance, - n0,x0,y0,z0,c0,n1,x1,y1,z1,c1,filename?filename:"(FILE*)",N); - assign(1 + nn1 - n0); - _cimg_load_cimg_case2("bool",bool); - _cimg_load_cimg_case2("unsigned_char",unsigned char); - _cimg_load_cimg_case2("uchar",unsigned char); - _cimg_load_cimg_case2("char",char); - _cimg_load_cimg_case2("unsigned_short",unsigned short); - _cimg_load_cimg_case2("ushort",unsigned short); - _cimg_load_cimg_case2("short",short); - _cimg_load_cimg_case2("unsigned_int",unsigned int); - _cimg_load_cimg_case2("uint",unsigned int); - _cimg_load_cimg_case2("int",int); - _cimg_load_cimg_case2("unsigned_long",unsigned long); - _cimg_load_cimg_case2("ulong",unsigned long); - _cimg_load_cimg_case2("long",long); - _cimg_load_cimg_case2("float",float); - _cimg_load_cimg_case2("double",double); - if (!loaded) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimglist_instance - "load_cimg(): Unsupported pixel type '%s' for file '%s'.", - cimglist_instance, - str_pixeltype._data,filename?filename:"(FILE*)"); - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Load a list from a PAR/REC (Philips) file. - /** - \param filename Filename to read data from. - **/ - CImgList& load_parrec(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimglist_instance - "load_parrec(): Specified filename is (null).", - cimglist_instance); - - CImg body(1024), filenamepar(1024), filenamerec(1024); - *body = *filenamepar = *filenamerec = 0; - const char *const ext = cimg::split_filename(filename,body); - if (!std::strcmp(ext,"par")) { - std::strncpy(filenamepar,filename,filenamepar._width - 1); - cimg_snprintf(filenamerec,filenamerec._width,"%s.rec",body._data); - } - if (!std::strcmp(ext,"PAR")) { - std::strncpy(filenamepar,filename,filenamepar._width - 1); - cimg_snprintf(filenamerec,filenamerec._width,"%s.REC",body._data); - } - if (!std::strcmp(ext,"rec")) { - std::strncpy(filenamerec,filename,filenamerec._width - 1); - cimg_snprintf(filenamepar,filenamepar._width,"%s.par",body._data); - } - if (!std::strcmp(ext,"REC")) { - std::strncpy(filenamerec,filename,filenamerec._width - 1); - cimg_snprintf(filenamepar,filenamepar._width,"%s.PAR",body._data); - } - std::FILE *file = cimg::fopen(filenamepar,"r"); - - // Parse header file - CImgList st_slices; - CImgList st_global; - CImg line(256); *line = 0; - int err; - do { err = std::fscanf(file,"%255[^\n]%*c",line._data); } while (err!=EOF && (*line=='#' || *line=='.')); - do { - unsigned int sn,size_x,size_y,pixsize; - float rs,ri,ss; - err = std::fscanf(file,"%u%*u%*u%*u%*u%*u%*u%u%*u%u%u%g%g%g%*[^\n]",&sn,&pixsize,&size_x,&size_y,&ri,&rs,&ss); - if (err==7) { - CImg::vector((float)sn,(float)pixsize,(float)size_x,(float)size_y,ri,rs,ss,0).move_to(st_slices); - unsigned int i; for (i = 0; i::vector(size_x,size_y,sn).move_to(st_global); - else { - CImg &vec = st_global[i]; - if (size_x>vec[0]) vec[0] = size_x; - if (size_y>vec[1]) vec[1] = size_y; - vec[2] = sn; - } - st_slices[st_slices._width - 1][7] = (float)i; - } - } while (err==7); - - // Read data - std::FILE *file2 = cimg::fopen(filenamerec,"rb"); - cimglist_for(st_global,l) { - const CImg& vec = st_global[l]; - CImg(vec[0],vec[1],vec[2]).move_to(*this); - } - - cimglist_for(st_slices,l) { - const CImg& vec = st_slices[l]; - const unsigned int - sn = (unsigned int)vec[0] - 1, - pixsize = (unsigned int)vec[1], - size_x = (unsigned int)vec[2], - size_y = (unsigned int)vec[3], - imn = (unsigned int)vec[7]; - const float ri = vec[4], rs = vec[5], ss = vec[6]; - switch (pixsize) { - case 8 : { - CImg buf(size_x,size_y); - cimg::fread(buf._data,size_x*size_y,file2); - if (cimg::endianness()) cimg::invert_endianness(buf._data,size_x*size_y); - CImg& img = (*this)[imn]; - cimg_forXY(img,x,y) img(x,y,sn) = (T)(( buf(x,y)*rs + ri )/(rs*ss)); - } break; - case 16 : { - CImg buf(size_x,size_y); - cimg::fread(buf._data,size_x*size_y,file2); - if (cimg::endianness()) cimg::invert_endianness(buf._data,size_x*size_y); - CImg& img = (*this)[imn]; - cimg_forXY(img,x,y) img(x,y,sn) = (T)(( buf(x,y)*rs + ri )/(rs*ss)); - } break; - case 32 : { - CImg buf(size_x,size_y); - cimg::fread(buf._data,size_x*size_y,file2); - if (cimg::endianness()) cimg::invert_endianness(buf._data,size_x*size_y); - CImg& img = (*this)[imn]; - cimg_forXY(img,x,y) img(x,y,sn) = (T)(( buf(x,y)*rs + ri )/(rs*ss)); - } break; - default : - cimg::fclose(file); - cimg::fclose(file2); - throw CImgIOException(_cimglist_instance - "load_parrec(): Unsupported %d-bits pixel type for file '%s'.", - cimglist_instance, - pixsize,filename); - } - } - cimg::fclose(file); - cimg::fclose(file2); - if (!_width) - throw CImgIOException(_cimglist_instance - "load_parrec(): Failed to recognize valid PAR-REC data in file '%s'.", - cimglist_instance, - filename); - return *this; - } - - //! Load a list from a PAR/REC (Philips) file \newinstance. - static CImgList get_load_parrec(const char *const filename) { - return CImgList().load_parrec(filename); - } - - //! Load a list from a YUV image sequence file. - /** - \param filename Filename to read data from. - \param size_x Width of the images. - \param size_y Height of the images. - \param first_frame Index of first image frame to read. - \param last_frame Index of last image frame to read. - \param step_frame Step applied between each frame. - \param yuv2rgb Apply YUV to RGB transformation during reading. - **/ - CImgList& load_yuv(const char *const filename, - const unsigned int size_x, const unsigned int size_y, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, const bool yuv2rgb=true) { - return _load_yuv(0,filename,size_x,size_y,first_frame,last_frame,step_frame,yuv2rgb); - } - - //! Load a list from a YUV image sequence file \newinstance. - static CImgList get_load_yuv(const char *const filename, - const unsigned int size_x, const unsigned int size_y=1, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, const bool yuv2rgb=true) { - return CImgList().load_yuv(filename,size_x,size_y,first_frame,last_frame,step_frame,yuv2rgb); - } - - //! Load a list from an image sequence YUV file \overloading. - CImgList& load_yuv(std::FILE *const file, - const unsigned int size_x, const unsigned int size_y, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, const bool yuv2rgb=true) { - return _load_yuv(file,0,size_x,size_y,first_frame,last_frame,step_frame,yuv2rgb); - } - - //! Load a list from an image sequence YUV file \newinstance. - static CImgList get_load_yuv(std::FILE *const file, - const unsigned int size_x, const unsigned int size_y=1, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, const bool yuv2rgb=true) { - return CImgList().load_yuv(file,size_x,size_y,first_frame,last_frame,step_frame,yuv2rgb); - } - - CImgList& _load_yuv(std::FILE *const file, const char *const filename, - const unsigned int size_x, const unsigned int size_y, - const unsigned int first_frame, const unsigned int last_frame, - const unsigned int step_frame, const bool yuv2rgb) { - if (!filename && !file) - throw CImgArgumentException(_cimglist_instance - "load_yuv(): Specified filename is (null).", - cimglist_instance); - if (size_x%2 || size_y%2) - throw CImgArgumentException(_cimglist_instance - "load_yuv(): Invalid odd XY dimensions %ux%u in file '%s'.", - cimglist_instance, - size_x,size_y,filename?filename:"(FILE*)"); - if (!size_x || !size_y) - throw CImgArgumentException(_cimglist_instance - "load_yuv(): Invalid sequence size (%u,%u) in file '%s'.", - cimglist_instance, - size_x,size_y,filename?filename:"(FILE*)"); - - const unsigned int - nfirst_frame = first_frame tmp(size_x,size_y,1,3), UV(size_x/2,size_y/2,1,2); - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); - bool stop_flag = false; - int err; - if (nfirst_frame) { - err = std::fseek(nfile,nfirst_frame*(size_x*size_y + size_x*size_y/2),SEEK_CUR); - if (err) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimglist_instance - "load_yuv(): File '%s' doesn't contain frame number %u.", - cimglist_instance, - filename?filename:"(FILE*)",nfirst_frame); - } - } - unsigned int frame; - for (frame = nfirst_frame; !stop_flag && frame<=nlast_frame; frame+=nstep_frame) { - tmp.fill(0); - // *TRY* to read the luminance part, do not replace by cimg::fread! - err = (int)std::fread((void*)(tmp._data),1,(unsigned long)tmp._width*tmp._height,nfile); - if (err!=(int)(tmp._width*tmp._height)) { - stop_flag = true; - if (err>0) - cimg::warn(_cimglist_instance - "load_yuv(): File '%s' contains incomplete data or given image dimensions " - "(%u,%u) are incorrect.", - cimglist_instance, - filename?filename:"(FILE*)",size_x,size_y); - } else { - UV.fill(0); - // *TRY* to read the luminance part, do not replace by cimg::fread! - err = (int)std::fread((void*)(UV._data),1,(size_t)(UV.size()),nfile); - if (err!=(int)(UV.size())) { - stop_flag = true; - if (err>0) - cimg::warn(_cimglist_instance - "load_yuv(): File '%s' contains incomplete data or given image dimensions (%u,%u) " - "are incorrect.", - cimglist_instance, - filename?filename:"(FILE*)",size_x,size_y); - } else { - cimg_forXY(UV,x,y) { - const int x2 = x*2, y2 = y*2; - tmp(x2,y2,1) = tmp(x2 + 1,y2,1) = tmp(x2,y2 + 1,1) = tmp(x2 + 1,y2 + 1,1) = UV(x,y,0); - tmp(x2,y2,2) = tmp(x2 + 1,y2,2) = tmp(x2,y2 + 1,2) = tmp(x2 + 1,y2 + 1,2) = UV(x,y,1); - } - if (yuv2rgb) tmp.YCbCrtoRGB(); - insert(tmp); - if (nstep_frame>1) std::fseek(nfile,(nstep_frame - 1)*(size_x*size_y + size_x*size_y/2),SEEK_CUR); - } - } - } - if (stop_flag && nlast_frame!=~0U && frame!=nlast_frame) - cimg::warn(_cimglist_instance - "load_yuv(): Frame %d not reached since only %u frames were found in file '%s'.", - cimglist_instance, - nlast_frame,frame - 1,filename?filename:"(FILE*)"); - - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Load an image from a video file, using OpenCV library. - /** - \param filename Filename, as a C-string. - \param first_frame Index of the first frame to read. - \param last_frame Index of the last frame to read. - \param step_frame Step value for frame reading. - \note If step_frame==0, the current video stream is forced to be released (without any frames read). - **/ - CImgList& load_video(const char *const filename, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1) { -#ifndef cimg_use_opencv - if (first_frame || last_frame!=~0U || step_frame>1) - throw CImgArgumentException(_cimglist_instance - "load_video() : File '%s', arguments 'first_frame', 'last_frame' " - "and 'step_frame' can be only set when using OpenCV " - "(-Dcimg_use_opencv must be enabled).", - cimglist_instance,filename); - return load_ffmpeg_external(filename); -#else - static CvCapture *captures[32] = { 0 }; - static CImgList filenames(32); - static CImg positions(32,1,1,1,0); - static int last_used_index = -1; - - // Detect if a video capture already exists for the specified filename. - cimg::mutex(9); - int index = -1; - if (filename) { - if (last_used_index>=0 && !std::strcmp(filename,filenames[last_used_index])) { - index = last_used_index; - } else cimglist_for(filenames,l) if (filenames[l] && !std::strcmp(filename,filenames[l])) { - index = l; break; - } - } else index = last_used_index; - cimg::mutex(9,0); - - // Release stream if needed. - if (!step_frame || (index>=0 && positions[index]>first_frame)) { - if (index>=0) { - cimg::mutex(9); - cvReleaseCapture(&captures[index]); - captures[index] = 0; filenames[index].assign(); positions[index] = 0; - if (last_used_index==index) last_used_index = -1; - index = -1; - cimg::mutex(9,0); - } else - if (filename) - cimg::warn(_cimglist_instance - "load_video() : File '%s', no opened video stream associated with filename found.", - cimglist_instance,filename); - else - cimg::warn(_cimglist_instance - "load_video() : No opened video stream found.", - cimglist_instance,filename); - if (!step_frame) return *this; - } - - // Find empty slot for capturing video stream. - if (index<0) { - if (!filename) - throw CImgArgumentException(_cimglist_instance - "load_video(): No already open video reader found. You must specify a " - "non-(null) filename argument for the first call.", - cimglist_instance); - else { cimg::mutex(9); cimglist_for(filenames,l) if (!filenames[l]) { index = l; break; } cimg::mutex(9,0); } - if (index<0) - throw CImgIOException(_cimglist_instance - "load_video(): File '%s', no video reader slots available. " - "You have to release some of your previously opened videos.", - cimglist_instance,filename); - cimg::mutex(9); - captures[index] = cvCaptureFromFile(filename); - CImg::string(filename).move_to(filenames[index]); - positions[index] = 0; - cimg::mutex(9,0); - if (!captures[index]) { - filenames[index].assign(); - std::fclose(cimg::fopen(filename,"rb")); // Check file availability. - throw CImgIOException(_cimglist_instance - "load_video(): File '%s', unable to detect format of video file.", - cimglist_instance,filename); - } - } - - cimg::mutex(9); - const unsigned int nb_frames = (unsigned int)cimg::max(0.,cvGetCaptureProperty(captures[index], - CV_CAP_PROP_FRAME_COUNT)); - cimg::mutex(9,0); - assign(); - - // Skip frames if necessary. - unsigned int &pos = positions[index]; - while (pos frame(src->width,src->height,1,3); - const int step = (int)(src->widthStep - 3*src->width); - const unsigned char* ptrs = (unsigned char*)src->imageData; - T *ptr_r = frame.data(0,0,0,0), *ptr_g = frame.data(0,0,0,1), *ptr_b = frame.data(0,0,0,2); - if (step>0) cimg_forY(frame,y) { - cimg_forX(frame,x) { *(ptr_b++) = (T)*(ptrs++); *(ptr_g++) = (T)*(ptrs++); *(ptr_r++) = (T)*(ptrs++); } - ptrs+=step; - } else for (unsigned long siz = (unsigned long)src->width*src->height; siz; --siz) { - *(ptr_b++) = (T)*(ptrs++); *(ptr_g++) = (T)*(ptrs++); *(ptr_r++) = (T)*(ptrs++); - } - frame.move_to(*this); - ++pos; - - bool skip_failed = false; - for (unsigned int i = 1; i=nb_frames)) { // Close video stream when necessary. - cimg::mutex(9); - cvReleaseCapture(&captures[index]); - captures[index] = 0; - filenames[index].assign(); - positions[index] = 0; - index = -1; - cimg::mutex(9,0); - } - - cimg::mutex(9); - last_used_index = index; - cimg::mutex(9,0); - return *this; -#endif - } - - //! Load an image from a video file, using OpenCV library \newinstance. - static CImgList get_load_video(const char *const filename, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1) { - return CImgList().load_video(filename,first_frame,last_frame,step_frame); - } - - //! Load an image from a video file using the external tool 'ffmpeg'. - /** - \param filename Filename to read data from. - **/ - CImgList& load_ffmpeg_external(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimglist_instance - "load_ffmpeg_external(): Specified filename is (null).", - cimglist_instance); - std::fclose(cimg::fopen(filename,"rb")); // Check if file exists. - CImg command(1024), filename_tmp(256), filename_tmp2(256); - std::FILE *file = 0; - do { - cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - cimg_snprintf(filename_tmp2,filename_tmp2._width,"%s_000001.ppm",filename_tmp._data); - if ((file=std::fopen(filename_tmp2,"rb"))!=0) cimg::fclose(file); - } while (file); - cimg_snprintf(filename_tmp2,filename_tmp2._width,"%s_%%6d.ppm",filename_tmp._data); -#if cimg_OS!=2 - cimg_snprintf(command,command._width,"%s -i \"%s\" \"%s\" >/dev/null 2>&1", - cimg::ffmpeg_path(), - CImg::string(filename)._system_strescape().data(), - CImg::string(filename_tmp2)._system_strescape().data()); -#else - cimg_snprintf(command,command._width,"\"%s -i \"%s\" \"%s\"\" >NUL 2>&1", - cimg::ffmpeg_path(), - CImg::string(filename)._system_strescape().data(), - CImg::string(filename_tmp2)._system_strescape().data()); -#endif - cimg::system(command,0); - const unsigned int omode = cimg::exception_mode(); - cimg::exception_mode(0); - assign(); - unsigned int i = 1; - for (bool stop_flag = false; !stop_flag; ++i) { - cimg_snprintf(filename_tmp2,filename_tmp2._width,"%s_%.6u.ppm",filename_tmp._data,i); - CImg img; - try { img.load_pnm(filename_tmp2); } - catch (CImgException&) { stop_flag = true; } - if (img) { img.move_to(*this); std::remove(filename_tmp2); } - } - cimg::exception_mode(omode); - if (is_empty()) - throw CImgIOException(_cimglist_instance - "load_ffmpeg_external(): Failed to open file '%s' with external command 'ffmpeg'.", - cimglist_instance, - filename); - return *this; - } - - //! Load an image from a video file using the external tool 'ffmpeg' \newinstance. - static CImgList get_load_ffmpeg_external(const char *const filename) { - return CImgList().load_ffmpeg_external(filename); - } - - //! Load gif file, using ImageMagick or GraphicsMagick's external tools. - /** - \param filename Filename to read data from. - \param use_graphicsmagick Tells if GraphicsMagick's tool 'gm' is used instead of ImageMagick's tool 'convert'. - **/ - CImgList& load_gif_external(const char *const filename) { - if (!filename) - throw CImgArgumentException(_cimglist_instance - "load_gif_external(): Specified filename is (null).", - cimglist_instance); - std::fclose(cimg::fopen(filename,"rb")); // Check if file exists. - if (!_load_gif_external(filename,false)) - if (!_load_gif_external(filename,true)) - try { assign(CImg().load_other(filename)); } catch (CImgException&) { assign(); } - if (is_empty()) - throw CImgIOException(_cimglist_instance - "load_gif_external(): Failed to open file '%s'.", - cimglist_instance,filename); - return *this; - } - - CImgList& _load_gif_external(const char *const filename, const bool use_graphicsmagick=false) { - CImg command(1024), filename_tmp(256), filename_tmp2(256); - std::FILE *file = 0; - do { - cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - if (use_graphicsmagick) cimg_snprintf(filename_tmp2,filename_tmp2._width,"%s.png.0",filename_tmp._data); - else cimg_snprintf(filename_tmp2,filename_tmp2._width,"%s-0.png",filename_tmp._data); - if ((file=std::fopen(filename_tmp2,"rb"))!=0) cimg::fclose(file); - } while (file); -#if cimg_OS!=2 - if (use_graphicsmagick) cimg_snprintf(command,command._width,"%s convert \"%s\" \"%s.png\" >/dev/null 2>&1", - cimg::graphicsmagick_path(), - CImg::string(filename)._system_strescape().data(), - CImg::string(filename_tmp)._system_strescape().data()); - else cimg_snprintf(command,command._width,"%s \"%s\" \"%s.png\" >/dev/null 2>&1", - cimg::imagemagick_path(), - CImg::string(filename)._system_strescape().data(), - CImg::string(filename_tmp)._system_strescape().data()); -#else - if (use_graphicsmagick) cimg_snprintf(command,command._width,"\"%s convert \"%s\" \"%s.png\"\" >NUL 2>&1", - cimg::graphicsmagick_path(), - CImg::string(filename)._system_strescape().data(), - CImg::string(filename_tmp)._system_strescape().data()); - else cimg_snprintf(command,command._width,"\"%s \"%s\" \"%s.png\"\" >NUL 2>&1", - cimg::imagemagick_path(), - CImg::string(filename)._system_strescape().data(), - CImg::string(filename_tmp)._system_strescape().data()); -#endif - cimg::system(command,0); - const unsigned int omode = cimg::exception_mode(); - cimg::exception_mode(0); - assign(); - - // Try to read a single frame gif. - cimg_snprintf(filename_tmp2,filename_tmp2._width,"%s.png",filename_tmp._data); - CImg img; - try { img.load_png(filename_tmp2); } - catch (CImgException&) { } - if (img) { img.move_to(*this); std::remove(filename_tmp2); } - else { // Try to read animated gif. - unsigned int i = 0; - for (bool stop_flag = false; !stop_flag; ++i) { - if (use_graphicsmagick) cimg_snprintf(filename_tmp2,filename_tmp2._width,"%s.png.%u",filename_tmp._data,i); - else cimg_snprintf(filename_tmp2,filename_tmp2._width,"%s-%u.png",filename_tmp._data,i); - CImg img; - try { img.load_png(filename_tmp2); } - catch (CImgException&) { stop_flag = true; } - if (img) { img.move_to(*this); std::remove(filename_tmp2); } - } - } - cimg::exception_mode(omode); - return *this; - } - - //! Load gif file, using ImageMagick or GraphicsMagick's external tools \newinstance. - static CImgList get_load_gif_external(const char *const filename) { - return CImgList().load_gif_external(filename); - } - - //! Load a gzipped list, using external tool 'gunzip'. - /** - \param filename Filename to read data from. - **/ - CImgList& load_gzip_external(const char *const filename) { - if (!filename) - throw CImgIOException(_cimglist_instance - "load_gzip_external(): Specified filename is (null).", - cimglist_instance); - std::fclose(cimg::fopen(filename,"rb")); // Check if file exists. - CImg command(1024), filename_tmp(256), body(256); - const char - *ext = cimg::split_filename(filename,body), - *ext2 = cimg::split_filename(body,0); - std::FILE *file = 0; - do { - if (!cimg::strcasecmp(ext,"gz")) { - if (*ext2) cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand(),ext2); - else cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - } else { - if (*ext) cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand(),ext); - else cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - } - if ((file=std::fopen(filename_tmp,"rb"))!=0) cimg::fclose(file); - } while (file); - cimg_snprintf(command,command._width,"%s -c \"%s\" > \"%s\"", - cimg::gunzip_path(), - CImg::string(filename)._system_strescape().data(), - CImg::string(filename_tmp)._system_strescape().data()); - cimg::system(command); - if (!(file = std::fopen(filename_tmp,"rb"))) { - cimg::fclose(cimg::fopen(filename,"r")); - throw CImgIOException(_cimglist_instance - "load_gzip_external(): Failed to open file '%s'.", - cimglist_instance, - filename); - - } else cimg::fclose(file); - load(filename_tmp); - std::remove(filename_tmp); - return *this; - } - - //! Load a gzipped list, using external tool 'gunzip' \newinstance. - static CImgList get_load_gzip_external(const char *const filename) { - return CImgList().load_gzip_external(filename); - } - - //! Load a 3d object from a .OFF file. - /** - \param filename Filename to read data from. - \param[out] primitives At return, contains the list of 3d object primitives. - \param[out] colors At return, contains the list of 3d object colors. - \return List of 3d object vertices. - **/ - template - CImgList& load_off(const char *const filename, - CImgList& primitives, CImgList& colors) { - return get_load_off(filename,primitives,colors).move_to(*this); - } - - //! Load a 3d object from a .OFF file \newinstance. - template - static CImgList get_load_off(const char *const filename, - CImgList& primitives, CImgList& colors) { - return CImg().load_off(filename,primitives,colors)<'x'; - } - - //! Load images from a TIFF file. - /** - \param filename Filename to read data from. - \param first_frame Index of first image frame to read. - \param last_frame Index of last image frame to read. - \param step_frame Step applied between each frame. - **/ - CImgList& load_tiff(const char *const filename, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, - float *const voxel_size=0, - CImg *const description=0) { - const unsigned int - nfirst_frame = first_frame::get_load_tiff(filename)); -#else - TIFF *tif = TIFFOpen(filename,"r"); - if (tif) { - unsigned int nb_images = 0; - do ++nb_images; while (TIFFReadDirectory(tif)); - if (nfirst_frame>=nb_images || (nlast_frame!=~0U && nlast_frame>=nb_images)) - cimg::warn(_cimglist_instance - "load_tiff(): Invalid specified frame range is [%u,%u] (step %u) since " - "file '%s' contains %u image(s).", - cimglist_instance, - nfirst_frame,nlast_frame,nstep_frame,filename,nb_images); - - if (nfirst_frame>=nb_images) return assign(); - if (nlast_frame>=nb_images) nlast_frame = nb_images - 1; - assign(1 + (nlast_frame - nfirst_frame)/nstep_frame); - TIFFSetDirectory(tif,0); -#if cimg_verbosity>=3 - TIFFSetWarningHandler(0); - TIFFSetErrorHandler(0); -#endif - cimglist_for(*this,l) _data[l]._load_tiff(tif,nfirst_frame + l*nstep_frame,voxel_size,description); - TIFFClose(tif); - } else throw CImgIOException(_cimglist_instance - "load_tiff(): Failed to open file '%s'.", - cimglist_instance, - filename); - return *this; -#endif - } - - //! Load a multi-page TIFF file \newinstance. - static CImgList get_load_tiff(const char *const filename, - const unsigned int first_frame=0, const unsigned int last_frame=~0U, - const unsigned int step_frame=1, - float *const voxel_size=0, - CImg *const description=0) { - return CImgList().load_tiff(filename,first_frame,last_frame,step_frame,voxel_size,description); - } - - //@} - //---------------------------------- - // - //! \name Data Output - //@{ - //---------------------------------- - - //! Print information about the list on the standard output. - /** - \param title Label set to the information displayed. - \param display_stats Tells if image statistics must be computed and displayed. - **/ - const CImgList& print(const char *const title=0, const bool display_stats=true) const { - unsigned int msiz = 0; - cimglist_for(*this,l) msiz+=_data[l].size(); - msiz*=sizeof(T); - const unsigned int mdisp = msiz<8*1024?0U:msiz<8*1024*1024?1U:2U; - CImg _title(64); - if (!title) cimg_snprintf(_title,_title._width,"CImgList<%s>",pixel_type()); - std::fprintf(cimg::output(),"%s%s%s%s: %sthis%s = %p, %ssize%s = %u/%u [%u %s], %sdata%s = (CImg<%s>*)%p", - cimg::t_magenta,cimg::t_bold,title?title:_title._data,cimg::t_normal, - cimg::t_bold,cimg::t_normal,(void*)this, - cimg::t_bold,cimg::t_normal,_width,_allocated_width, - mdisp==0?msiz:(mdisp==1?(msiz>>10):(msiz>>20)), - mdisp==0?"b":(mdisp==1?"Kio":"Mio"), - cimg::t_bold,cimg::t_normal,pixel_type(),(void*)begin()); - if (_data) std::fprintf(cimg::output(),"..%p.\n",(void*)((char*)end() - 1)); - else std::fprintf(cimg::output(),".\n"); - - char tmp[16] = { 0 }; - cimglist_for(*this,ll) { - cimg_snprintf(tmp,sizeof(tmp),"[%d]",ll); - std::fprintf(cimg::output()," "); - _data[ll].print(tmp,display_stats); - if (ll==3 && width()>8) { ll = width() - 5; std::fprintf(cimg::output()," ...\n"); } - } - std::fflush(cimg::output()); - return *this; - } - - //! Display the current CImgList instance in an existing CImgDisplay window (by reference). - /** - \param disp Reference to an existing CImgDisplay instance, where the current image list will be displayed. - \param axis Appending axis. Can be { 'x' | 'y' | 'z' | 'c' }. - \param align Appending alignmenet. - \note This function displays the list images of the current CImgList instance into an existing - CImgDisplay window. - Images of the list are appended in a single temporarly image for visualization purposes. - The function returns immediately. - **/ - const CImgList& display(CImgDisplay &disp, const char axis='x', const float align=0) const { - disp.display(*this,axis,align); - return *this; - } - - //! Display the current CImgList instance in a new display window. - /** - \param disp Display window. - \param display_info Tells if image information are displayed on the standard output. - \param axis Alignment axis for images viewing. - \param align Apending alignment. - \note This function opens a new window with a specific title and displays the list images of the - current CImgList instance into it. - Images of the list are appended in a single temporarly image for visualization purposes. - The function returns when a key is pressed or the display window is closed by the user. - **/ - const CImgList& display(CImgDisplay &disp, const bool display_info, - const char axis='x', const float align=0, - unsigned int *const XYZ=0, const bool exit_on_anykey=false) const { - bool is_exit = false; - return _display(disp,0,display_info,axis,align,XYZ,exit_on_anykey,0,true,is_exit); - } - - //! Display the current CImgList instance in a new display window. - /** - \param title Title of the opening display window. - \param display_info Tells if list information must be written on standard output. - \param axis Appending axis. Can be { 'x' | 'y' | 'z' | 'c' }. - \param align Appending alignment. - **/ - const CImgList& display(const char *const title=0, const bool display_info=true, - const char axis='x', const float align=0, - unsigned int *const XYZ=0, const bool exit_on_anykey=false) const { - CImgDisplay disp; - bool is_exit = false; - return _display(disp,title,display_info,axis,align,XYZ,exit_on_anykey,0,true,is_exit); - } - - const CImgList& _display(CImgDisplay &disp, const char *const title, const bool display_info, - const char axis, const float align, unsigned int *const XYZ, - const bool exit_on_anykey, const unsigned int orig, const bool is_first_call, - bool &is_exit) const { - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "display(): Empty instance.", - cimglist_instance); - if (!disp) { - if (axis=='x') { - unsigned int sum_width = 0, max_height = 0; - cimglist_for(*this,l) { - const CImg &img = _data[l]; - const unsigned int - w = CImgDisplay::_fitscreen(img._width,img._height,img._depth,128,-85,false), - h = CImgDisplay::_fitscreen(img._width,img._height,img._depth,128,-85,true); - sum_width+=w; - if (h>max_height) max_height = h; - } - disp.assign(cimg_fitscreen(sum_width,max_height,1),title?title:0,1); - } else { - unsigned int max_width = 0, sum_height = 0; - cimglist_for(*this,l) { - const CImg &img = _data[l]; - const unsigned int - w = CImgDisplay::_fitscreen(img._width,img._height,img._depth,128,-85,false), - h = CImgDisplay::_fitscreen(img._width,img._height,img._depth,128,-85,true); - if (w>max_width) max_width = w; - sum_height+=h; - } - disp.assign(cimg_fitscreen(max_width,sum_height,1),title?title:0,1); - } - if (!title) disp.set_title("CImgList<%s> (%u)",pixel_type(),_width); - } else if (title) disp.set_title("%s",title); - const CImg dtitle = CImg::string(disp.title()); - if (display_info) print(disp.title()); - disp.show().flush(); - - if (_width==1) { - const unsigned int dw = disp._width, dh = disp._height; - if (!is_first_call) - disp.resize(cimg_fitscreen(_data[0]._width,_data[0]._height,_data[0]._depth),false). - set_title("%s (%ux%ux%ux%u)", - dtitle.data(),_data[0]._width,_data[0]._height,_data[0]._depth,_data[0]._spectrum); - _data[0]._display(disp,0,false,XYZ,exit_on_anykey,!is_first_call); - if (disp.key()) is_exit = true; - disp.resize(cimg_fitscreen(dw,dh,1),false).set_title("%s",dtitle.data()); - } else { - bool disp_resize = !is_first_call; - while (!disp.is_closed() && !is_exit) { - const CImg s = _get_select(disp,0,true,axis,align,exit_on_anykey,orig,disp_resize,!is_first_call,true); - disp_resize = true; - if (s[0]<0) { // No selections done. - if (disp.button()&2) { disp.flush(); break; } - is_exit = true; - } else if (disp.wheel()) { // Zoom in/out. - const int wheel = disp.wheel(); - disp.set_wheel(); - if (!is_first_call && wheel<0) break; - if (wheel>0 && _width>=4) { - const unsigned int - delta = cimg::max(1U,(unsigned int)cimg::round(0.3*_width)), - ind0 = (unsigned int)cimg::max(0,s[0] - (int)delta), - ind1 = (unsigned int)cimg::min(width() - 1,s[0] + (int)delta); - if ((ind0!=0 || ind1!=_width - 1) && ind1 - ind0>=3) - get_shared_images(ind0,ind1)._display(disp,0,false,axis,align,XYZ,exit_on_anykey, - orig + ind0,false,is_exit); - } - } else if (s[0]!=0 || s[1]!=width() - 1) - get_shared_images(s[0],s[1])._display(disp,0,false,axis,align,XYZ,exit_on_anykey, - orig + s[0],false,is_exit); - } - } - return *this; - } - - //! Save list into a file. - /** - \param filename Filename to write data to. - \param number When positive, represents an index added to the filename. Otherwise, no number is added. - \param digits Number of digits used for adding the number to the filename. - **/ - const CImgList& save(const char *const filename, const int number=-1, const unsigned int digits=6) const { - if (!filename) - throw CImgArgumentException(_cimglist_instance - "save(): Specified filename is (null).", - cimglist_instance); - // Do not test for empty instances, since .cimg format is able to manage empty instances. - const bool is_stdout = *filename=='-' && (!filename[1] || filename[1]=='.'); - const char *const ext = cimg::split_filename(filename); - CImg nfilename(1024); - const char *const fn = is_stdout?filename:number>=0?cimg::number_filename(filename,number,digits,nfilename): - filename; - -#ifdef cimglist_save_plugin - cimglist_save_plugin(fn); -#endif -#ifdef cimglist_save_plugin1 - cimglist_save_plugin1(fn); -#endif -#ifdef cimglist_save_plugin2 - cimglist_save_plugin2(fn); -#endif -#ifdef cimglist_save_plugin3 - cimglist_save_plugin3(fn); -#endif -#ifdef cimglist_save_plugin4 - cimglist_save_plugin4(fn); -#endif -#ifdef cimglist_save_plugin5 - cimglist_save_plugin5(fn); -#endif -#ifdef cimglist_save_plugin6 - cimglist_save_plugin6(fn); -#endif -#ifdef cimglist_save_plugin7 - cimglist_save_plugin7(fn); -#endif -#ifdef cimglist_save_plugin8 - cimglist_save_plugin8(fn); -#endif - if (!cimg::strcasecmp(ext,"cimgz")) return save_cimg(fn,true); - else if (!cimg::strcasecmp(ext,"cimg") || !*ext) return save_cimg(fn,false); - else if (!cimg::strcasecmp(ext,"yuv")) return save_yuv(fn,true); - else if (!cimg::strcasecmp(ext,"avi") || - !cimg::strcasecmp(ext,"mov") || - !cimg::strcasecmp(ext,"asf") || - !cimg::strcasecmp(ext,"divx") || - !cimg::strcasecmp(ext,"flv") || - !cimg::strcasecmp(ext,"mpg") || - !cimg::strcasecmp(ext,"m1v") || - !cimg::strcasecmp(ext,"m2v") || - !cimg::strcasecmp(ext,"m4v") || - !cimg::strcasecmp(ext,"mjp") || - !cimg::strcasecmp(ext,"mp4") || - !cimg::strcasecmp(ext,"mkv") || - !cimg::strcasecmp(ext,"mpe") || - !cimg::strcasecmp(ext,"movie") || - !cimg::strcasecmp(ext,"ogm") || - !cimg::strcasecmp(ext,"ogg") || - !cimg::strcasecmp(ext,"ogv") || - !cimg::strcasecmp(ext,"qt") || - !cimg::strcasecmp(ext,"rm") || - !cimg::strcasecmp(ext,"vob") || - !cimg::strcasecmp(ext,"wmv") || - !cimg::strcasecmp(ext,"xvid") || - !cimg::strcasecmp(ext,"mpeg")) return save_video(fn); -#ifdef cimg_use_tiff - else if (!cimg::strcasecmp(ext,"tif") || - !cimg::strcasecmp(ext,"tiff")) return save_tiff(fn); -#endif - else if (!cimg::strcasecmp(ext,"gz")) return save_gzip_external(fn); - else { - if (_width==1) _data[0].save(fn,-1); - else cimglist_for(*this,l) { _data[l].save(fn,is_stdout?-1:l); if (is_stdout) std::fputc(EOF,stdout); } - } - return *this; - } - - //! Tell if an image list can be saved as one single file. - /** - \param filename Filename, as a C-string. - \return \c true if the file format supports multiple images, \c false otherwise. - **/ - static bool is_saveable(const char *const filename) { - const char *const ext = cimg::split_filename(filename); - if (!cimg::strcasecmp(ext,"cimgz") || -#ifdef cimg_use_tiff - !cimg::strcasecmp(ext,"tif") || - !cimg::strcasecmp(ext,"tiff") || -#endif - !cimg::strcasecmp(ext,"yuv") || - !cimg::strcasecmp(ext,"avi") || - !cimg::strcasecmp(ext,"mov") || - !cimg::strcasecmp(ext,"asf") || - !cimg::strcasecmp(ext,"divx") || - !cimg::strcasecmp(ext,"flv") || - !cimg::strcasecmp(ext,"mpg") || - !cimg::strcasecmp(ext,"m1v") || - !cimg::strcasecmp(ext,"m2v") || - !cimg::strcasecmp(ext,"m4v") || - !cimg::strcasecmp(ext,"mjp") || - !cimg::strcasecmp(ext,"mp4") || - !cimg::strcasecmp(ext,"mkv") || - !cimg::strcasecmp(ext,"mpe") || - !cimg::strcasecmp(ext,"movie") || - !cimg::strcasecmp(ext,"ogm") || - !cimg::strcasecmp(ext,"ogg") || - !cimg::strcasecmp(ext,"ogv") || - !cimg::strcasecmp(ext,"qt") || - !cimg::strcasecmp(ext,"rm") || - !cimg::strcasecmp(ext,"vob") || - !cimg::strcasecmp(ext,"wmv") || - !cimg::strcasecmp(ext,"xvid") || - !cimg::strcasecmp(ext,"mpeg")) return true; - return false; - } - - //! Save image sequence as a GIF animated file. - /** - \param filename Filename to write data to. - \param fps Number of desired frames per second. - \param nb_loops Number of loops (\c 0 for infinite looping). - **/ - const CImgList& save_gif_external(const char *const filename, const float fps=25, - const unsigned int nb_loops=0) { - CImg command(1024), filename_tmp(256), filename_tmp2(256); - CImgList filenames; - std::FILE *file = 0; - -#ifdef cimg_use_png -#define _cimg_save_gif_ext "png" -#else -#define _cimg_save_gif_ext "ppm" -#endif - - do { - cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - cimg_snprintf(filename_tmp2,filename_tmp2._width,"%s_000001." _cimg_save_gif_ext,filename_tmp._data); - if ((file=std::fopen(filename_tmp2,"rb"))!=0) cimg::fclose(file); - } while (file); - cimglist_for(*this,l) { - cimg_snprintf(filename_tmp2,filename_tmp2._width,"%s_%.6u." _cimg_save_gif_ext,filename_tmp._data,l + 1); - CImg::string(filename_tmp2).move_to(filenames); - if (_data[l]._depth>1 || _data[l]._spectrum!=3) _data[l].get_resize(-100,-100,1,3).save(filename_tmp2); - else _data[l].save(filename_tmp2); - } - -#if cimg_OS!=2 - cimg_snprintf(command,command._width,"%s -delay %u -loop %u", - cimg::imagemagick_path(),(unsigned int)cimg::max(0.0f,cimg::round(100/fps)),nb_loops); - CImg::string(command).move_to(filenames,0); - cimg_snprintf(command,command._width,"\"%s\" >/dev/null 2>&1", - CImg::string(filename)._system_strescape().data()); - CImg::string(command).move_to(filenames); -#else - cimg_snprintf(command,command._width,"\"%s -delay %u -loop %u", - cimg::imagemagick_path(),(unsigned int)cimg::max(0.0f,cimg::round(100/fps)),nb_loops); - CImg::string(command).move_to(filenames,0); - cimg_snprintf(command,command._width,"\"%s\"\" >NUL 2>&1", - CImg::string(filename)._system_strescape().data()); - CImg::string(command).move_to(filenames); -#endif - CImg _command = filenames>'x'; - cimg_for(_command,p,char) if (!*p) *p = ' '; - _command.back() = 0; - - cimg::system(_command); - file = std::fopen(filename,"rb"); - if (!file) - throw CImgIOException(_cimglist_instance - "save_gif_external(): Failed to save file '%s' with external command 'convert'.", - cimglist_instance, - filename); - else cimg::fclose(file); - cimglist_for_in(*this,1,filenames._width - 1,l) std::remove(filenames[l]); - return *this; - } - - const CImgList& _save_yuv(std::FILE *const file, const char *const filename, const bool is_rgb) const { - if (!file && !filename) - throw CImgArgumentException(_cimglist_instance - "save_yuv(): Specified filename is (null).", - cimglist_instance); - if (is_empty()) { cimg::fempty(file,filename); return *this; } - if ((*this)[0].width()%2 || (*this)[0].height()%2) - throw CImgInstanceException(_cimglist_instance - "save_yuv(): Invalid odd instance dimensions (%u,%u) for file '%s'.", - cimglist_instance, - (*this)[0].width(),(*this)[0].height(), - filename?filename:"(FILE*)"); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - cimglist_for(*this,l) { - CImg YCbCr((*this)[l]); - if (is_rgb) YCbCr.RGBtoYCbCr(); - cimg::fwrite(YCbCr._data,(unsigned long)YCbCr._width*YCbCr._height,nfile); - cimg::fwrite(YCbCr.get_resize(YCbCr._width/2, YCbCr._height/2,1,3,3).data(0,0,0,1), - (unsigned long)YCbCr._width*YCbCr._height/2,nfile); - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save list as a YUV image sequence file. - /** - \param filename Filename to write data to. - \param is_rgb Tells if the RGB to YUV conversion must be done for saving. - **/ - const CImgList& save_yuv(const char *const filename=0, const bool is_rgb=true) const { - return _save_yuv(0,filename,is_rgb); - } - - //! Save image sequence into a YUV file. - /** - \param file File to write data to. - \param is_rgb Tells if the RGB to YUV conversion must be done for saving. - **/ - const CImgList& save_yuv(std::FILE *const file, const bool is_rgb=true) const { - return _save_yuv(file,0,is_rgb); - } - - const CImgList& _save_cimg(std::FILE *const file, const char *const filename, const bool is_compressed) const { - if (!file && !filename) - throw CImgArgumentException(_cimglist_instance - "save_cimg(): Specified filename is (null).", - cimglist_instance); -#ifndef cimg_use_zlib - if (is_compressed) - cimg::warn(_cimglist_instance - "save_cimg(): Unable to save compressed data in file '%s' unless zlib is enabled, " - "saving them uncompressed.", - cimglist_instance, - filename?filename:"(FILE*)"); -#endif - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - const char *const ptype = pixel_type(), *const etype = cimg::endianness()?"big":"little"; - if (std::strstr(ptype,"unsigned")==ptype) std::fprintf(nfile,"%u unsigned_%s %s_endian\n",_width,ptype + 9,etype); - else std::fprintf(nfile,"%u %s %s_endian\n",_width,ptype,etype); - cimglist_for(*this,l) { - const CImg& img = _data[l]; - std::fprintf(nfile,"%u %u %u %u",img._width,img._height,img._depth,img._spectrum); - if (img._data) { - CImg tmp; - if (cimg::endianness()) { tmp = img; cimg::invert_endianness(tmp._data,tmp.size()); } - const CImg& ref = cimg::endianness()?tmp:img; - bool failed_to_compress = true; - if (is_compressed) { -#ifdef cimg_use_zlib - const unsigned long siz = sizeof(T)*ref.size(); - unsigned long csiz = siz + siz/100 + 16; - Bytef *const cbuf = new Bytef[csiz]; - if (compress(cbuf,&csiz,(Bytef*)ref._data,siz)) - cimg::warn(_cimglist_instance - "save_cimg(): Failed to save compressed data for file '%s', saving them uncompressed.", - cimglist_instance, - filename?filename:"(FILE*)"); - else { - std::fprintf(nfile," #%lu\n",csiz); - cimg::fwrite(cbuf,csiz,nfile); - delete[] cbuf; - failed_to_compress = false; - } -#endif - } - if (failed_to_compress) { // Write in a non-compressed way. - std::fputc('\n',nfile); - cimg::fwrite(ref._data,ref.size(),nfile); - } - } else std::fputc('\n',nfile); - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Save list into a .cimg file. - /** - \param filename Filename to write data to. - \param is_compressed Tells if data compression must be enabled. - **/ - const CImgList& save_cimg(const char *const filename, const bool is_compressed=false) const { - return _save_cimg(0,filename,is_compressed); - } - - //! Save list into a .cimg file. - /** - \param file File to write data to. - \param is_compressed Tells if data compression must be enabled. - **/ - const CImgList& save_cimg(std::FILE *file, const bool is_compressed=false) const { - return _save_cimg(file,0,is_compressed); - } - - const CImgList& _save_cimg(std::FILE *const file, const char *const filename, - const unsigned int n0, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0) const { -#define _cimg_save_cimg_case(Ts,Tss) \ - if (!saved && !cimg::strcasecmp(Ts,str_pixeltype)) { \ - for (unsigned int l = 0; l0) { \ - if (l=W || y0>=H || z0>=D || c0>=D) std::fseek(nfile,W*H*D*C*sizeof(Tss),SEEK_CUR); \ - else { \ - const CImg& img = (*this)[l - n0]; \ - const T *ptrs = img._data; \ - const unsigned int \ - x1 = x0 + img._width - 1, \ - y1 = y0 + img._height - 1, \ - z1 = z0 + img._depth - 1, \ - c1 = c0 + img._spectrum - 1, \ - nx1 = x1>=W?W - 1:x1, \ - ny1 = y1>=H?H - 1:y1, \ - nz1 = z1>=D?D - 1:z1, \ - nc1 = c1>=C?C - 1:c1; \ - CImg raw(1 + nx1 - x0); \ - const unsigned int skipvb = c0*W*H*D*sizeof(Tss); \ - if (skipvb) std::fseek(nfile,skipvb,SEEK_CUR); \ - for (unsigned int v = 1 + nc1 - c0; v; --v) { \ - const unsigned int skipzb = z0*W*H*sizeof(Tss); \ - if (skipzb) std::fseek(nfile,skipzb,SEEK_CUR); \ - for (unsigned int z = 1 + nz1 - z0; z; --z) { \ - const unsigned int skipyb = y0*W*sizeof(Tss); \ - if (skipyb) std::fseek(nfile,skipyb,SEEK_CUR); \ - for (unsigned int y = 1 + ny1 - y0; y; --y) { \ - const unsigned int skipxb = x0*sizeof(Tss); \ - if (skipxb) std::fseek(nfile,skipxb,SEEK_CUR); \ - raw.assign(ptrs, raw._width); \ - ptrs+=img._width; \ - if (endian) cimg::invert_endianness(raw._data,raw._width); \ - cimg::fwrite(raw._data,raw._width,nfile); \ - const unsigned int skipxe = (W - 1 - nx1)*sizeof(Tss); \ - if (skipxe) std::fseek(nfile,skipxe,SEEK_CUR); \ - } \ - const unsigned int skipye = (H - 1 - ny1)*W*sizeof(Tss); \ - if (skipye) std::fseek(nfile,skipye,SEEK_CUR); \ - } \ - const unsigned int skipze = (D - 1 - nz1)*W*H*sizeof(Tss); \ - if (skipze) std::fseek(nfile,skipze,SEEK_CUR); \ - } \ - const unsigned int skipve = (C - 1 - nc1)*W*H*D*sizeof(Tss); \ - if (skipve) std::fseek(nfile,skipve,SEEK_CUR); \ - } \ - } \ - } \ - saved = true; \ - } - - if (!file && !filename) - throw CImgArgumentException(_cimglist_instance - "save_cimg(): Specified filename is (null).", - cimglist_instance); - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "save_cimg(): Empty instance, for file '%s'.", - cimglist_instance, - filename?filename:"(FILE*)"); - - std::FILE *const nfile = file?file:cimg::fopen(filename,"rb+"); - bool saved = false, endian = cimg::endianness(); - CImg tmp(256), str_pixeltype(256), str_endian(256); - *tmp = *str_pixeltype = *str_endian = 0; - unsigned int j, N, W, H, D, C; - int i, err; - j = 0; while ((i=std::fgetc(nfile))!='\n' && i!=EOF && j<256) tmp[j++] = (char)i; tmp[j] = 0; - err = cimg_sscanf(tmp,"%u%*c%255[A-Za-z_]%*c%255[sA-Za-z_ ]",&N,str_pixeltype._data,str_endian._data); - if (err<2) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimglist_instance - "save_cimg(): CImg header not found in file '%s'.", - cimglist_instance, - filename?filename:"(FILE*)"); - } - if (!cimg::strncasecmp("little",str_endian,6)) endian = false; - else if (!cimg::strncasecmp("big",str_endian,3)) endian = true; - const unsigned int lmax = cimg::min(N,n0 + _width); - _cimg_save_cimg_case("bool",bool); - _cimg_save_cimg_case("unsigned_char",unsigned char); - _cimg_save_cimg_case("uchar",unsigned char); - _cimg_save_cimg_case("char",char); - _cimg_save_cimg_case("unsigned_short",unsigned short); - _cimg_save_cimg_case("ushort",unsigned short); - _cimg_save_cimg_case("short",short); - _cimg_save_cimg_case("unsigned_int",unsigned int); - _cimg_save_cimg_case("uint",unsigned int); - _cimg_save_cimg_case("int",int); - _cimg_save_cimg_case("unsigned_long",unsigned long); - _cimg_save_cimg_case("ulong",unsigned long); - _cimg_save_cimg_case("long",long); - _cimg_save_cimg_case("float",float); - _cimg_save_cimg_case("double",double); - if (!saved) { - if (!file) cimg::fclose(nfile); - throw CImgIOException(_cimglist_instance - "save_cimg(): Unsupported data type '%s' for file '%s'.", - cimglist_instance, - filename?filename:"(FILE*)",str_pixeltype._data); - } - if (!file) cimg::fclose(nfile); - return *this; - } - - //! Insert the image instance into into an existing .cimg file, at specified coordinates. - /** - \param filename Filename to write data to. - \param n0 Starting index of images to write. - \param x0 Starting X-coordinates of image regions to write. - \param y0 Starting Y-coordinates of image regions to write. - \param z0 Starting Z-coordinates of image regions to write. - \param c0 Starting C-coordinates of image regions to write. - **/ - const CImgList& save_cimg(const char *const filename, - const unsigned int n0, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0) const { - return _save_cimg(0,filename,n0,x0,y0,z0,c0); - } - - //! Insert the image instance into into an existing .cimg file, at specified coordinates. - /** - \param file File to write data to. - \param n0 Starting index of images to write. - \param x0 Starting X-coordinates of image regions to write. - \param y0 Starting Y-coordinates of image regions to write. - \param z0 Starting Z-coordinates of image regions to write. - \param c0 Starting C-coordinates of image regions to write. - **/ - const CImgList& save_cimg(std::FILE *const file, - const unsigned int n0, - const unsigned int x0, const unsigned int y0, - const unsigned int z0, const unsigned int c0) const { - return _save_cimg(file,0,n0,x0,y0,z0,c0); - } - - static void _save_empty_cimg(std::FILE *const file, const char *const filename, - const unsigned int nb, - const unsigned int dx, const unsigned int dy, - const unsigned int dz, const unsigned int dc) { - std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); - const unsigned long siz = (unsigned long)dx*dy*dz*dc*sizeof(T); - std::fprintf(nfile,"%u %s\n",nb,pixel_type()); - for (unsigned int i=nb; i; --i) { - std::fprintf(nfile,"%u %u %u %u\n",dx,dy,dz,dc); - for (unsigned long off=siz; off; --off) std::fputc(0,nfile); - } - if (!file) cimg::fclose(nfile); - } - - //! Save empty (non-compressed) .cimg file with specified dimensions. - /** - \param filename Filename to write data to. - \param nb Number of images to write. - \param dx Width of images in the written file. - \param dy Height of images in the written file. - \param dz Depth of images in the written file. - \param dc Spectrum of images in the written file. - **/ - static void save_empty_cimg(const char *const filename, - const unsigned int nb, - const unsigned int dx, const unsigned int dy=1, - const unsigned int dz=1, const unsigned int dc=1) { - return _save_empty_cimg(0,filename,nb,dx,dy,dz,dc); - } - - //! Save empty .cimg file with specified dimensions. - /** - \param file File to write data to. - \param nb Number of images to write. - \param dx Width of images in the written file. - \param dy Height of images in the written file. - \param dz Depth of images in the written file. - \param dc Spectrum of images in the written file. - **/ - static void save_empty_cimg(std::FILE *const file, - const unsigned int nb, - const unsigned int dx, const unsigned int dy=1, - const unsigned int dz=1, const unsigned int dc=1) { - return _save_empty_cimg(file,0,nb,dx,dy,dz,dc); - } - - //! Save list as a TIFF file. - /** - \param filename Filename to write data to. - \param compression_type Compression mode used to write data. - **/ - const CImgList& save_tiff(const char *const filename, const unsigned int compression_type=0, - const float *const voxel_size=0, const char *const description=0, - const bool use_bigtiff=true) const { - if (!filename) - throw CImgArgumentException(_cimglist_instance - "save_tiff(): Specified filename is (null).", - cimglist_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - -#ifndef cimg_use_tiff - if (_width==1) _data[0].save_tiff(filename,compression_type,voxel_size,description,use_bigtiff); - else cimglist_for(*this,l) { - CImg nfilename(1024); - cimg::number_filename(filename,l,6,nfilename); - _data[l].save_tiff(nfilename,compression_type,voxel_size,description,use_bigtiff); - } -#else - typename CImg::uptrT siz = 0; - cimglist_for(*this,l) siz+=_data[l].size(); - const bool _use_bigtiff = use_bigtiff && sizeof(siz)>=8 && siz*sizeof(T)>=1UL<<31; // No bigtiff for small images. - TIFF *tif = TIFFOpen(filename,_use_bigtiff?"w8":"w4"); - if (tif) { - for (unsigned int dir = 0, l = 0; l<_width; ++l) { - const CImg& img = (*this)[l]; - cimg_forZ(img,z) img._save_tiff(tif,dir++,z,compression_type,voxel_size,description); - } - TIFFClose(tif); - } else - throw CImgIOException(_cimglist_instance - "save_tiff(): Failed to open stream for file '%s'.", - cimglist_instance, - filename); -#endif - return *this; - } - - //! Save list as a gzipped file, using external tool 'gzip'. - /** - \param filename Filename to write data to. - **/ - const CImgList& save_gzip_external(const char *const filename) const { - if (!filename) - throw CImgIOException(_cimglist_instance - "save_gzip_external(): Specified filename is (null).", - cimglist_instance); - - CImg command(1024), filename_tmp(256), body(256); - const char - *ext = cimg::split_filename(filename,body), - *ext2 = cimg::split_filename(body,0); - std::FILE *file; - do { - if (!cimg::strcasecmp(ext,"gz")) { - if (*ext2) cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand(),ext2); - else cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.cimg", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - } else { - if (*ext) cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand(),ext); - else cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s.cimg", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - } - if ((file=std::fopen(filename_tmp,"rb"))!=0) cimg::fclose(file); - } while (file); - - if (is_saveable(body)) { - save(filename_tmp); - cimg_snprintf(command,command._width,"%s -c \"%s\" > \"%s\"", - cimg::gzip_path(), - CImg::string(filename_tmp)._system_strescape().data(), - CImg::string(filename)._system_strescape().data()); - cimg::system(command); - file = std::fopen(filename,"rb"); - if (!file) - throw CImgIOException(_cimglist_instance - "save_gzip_external(): Failed to save file '%s' with external command 'gzip'.", - cimglist_instance, - filename); - else cimg::fclose(file); - std::remove(filename_tmp); - } else { - CImg nfilename(1024); - cimglist_for(*this,l) { - cimg::number_filename(body,l,6,nfilename); - if (*ext) cimg_sprintf(nfilename._data + std::strlen(nfilename),".%s",ext); - _data[l].save_gzip_external(nfilename); - } - } - return *this; - } - - //! Save image sequence, using the OpenCV library. - /** - \param filename Filename to write data to. - \param fps Number of frames per second. - \param codec Type of compression (See http://www.fourcc.org/codecs.php to see available codecs). - \param keep_open Tells if the video writer associated to the specified filename - must be kept open or not (to allow frames to be added in the same file afterwards). - **/ - const CImgList& save_video(const char *const filename, const unsigned int fps=25, - const char *codec=0, const bool keep_open=false) const { -#ifndef cimg_use_opencv - cimg::unused(codec,keep_open); - return save_ffmpeg_external(filename,fps); -#else - static CvVideoWriter *writers[32] = { 0 }; - static CImgList filenames(32); - static CImg sizes(32,2,1,1,0); - static int last_used_index = -1; - - // Detect if a video writer already exists for the specified filename. - cimg::mutex(9); - int index = -1; - if (filename) { - if (last_used_index>=0 && !std::strcmp(filename,filenames[last_used_index])) { - index = last_used_index; - } else cimglist_for(filenames,l) if (filenames[l] && !std::strcmp(filename,filenames[l])) { - index = l; break; - } - } else index = last_used_index; - cimg::mutex(9,0); - - // Find empty slot for capturing video stream. - if (index<0) { - if (!filename) - throw CImgArgumentException(_cimglist_instance - "save_video(): No already open video writer found. You must specify a " - "non-(null) filename argument for the first call.", - cimglist_instance); - else { cimg::mutex(9); cimglist_for(filenames,l) if (!filenames[l]) { index = l; break; } cimg::mutex(9,0); } - if (index<0) - throw CImgIOException(_cimglist_instance - "save_video(): File '%s', no video writer slots available. " - "You have to release some of your previously opened videos.", - cimglist_instance,filename); - if (is_empty()) - throw CImgInstanceException(_cimglist_instance - "save_video(): Instance list is empty.", - cimglist_instance); - const unsigned int W = _data?_data[0]._width:0, H = _data?_data[0]._height:0; - if (!W || !H) - throw CImgInstanceException(_cimglist_instance - "save_video(): Frame [0] is an empty image.", - cimglist_instance); - -#define _cimg_docase(x) ((x)>='a'&&(x)<='z'?(x) + 'A' - 'a':(x)) - const char - *const _codec = codec && *codec?codec:"mp4v", - codec0 = _cimg_docase(_codec[0]), - codec1 = _codec[0]?_cimg_docase(_codec[1]):0, - codec2 = _codec[1]?_cimg_docase(_codec[2]):0, - codec3 = _codec[2]?_cimg_docase(_codec[3]):0; - cimg::mutex(9); - writers[index] = cvCreateVideoWriter(filename,CV_FOURCC(codec0,codec1,codec2,codec3), - fps,cvSize(W,H)); - CImg::string(filename).move_to(filenames[index]); - sizes(index,0) = W; sizes(index,1) = H; - cimg::mutex(9,0); - if (!writers[index]) - throw CImgIOException(_cimglist_instance - "save_video(): File '%s', unable to initialize video writer with codec '%c%c%c%c'.", - cimglist_instance,filename, - codec0,codec1,codec2,codec3); - } - - if (!is_empty()) { - const unsigned int W = sizes(index,0), H = sizes(index,1); - cimg::mutex(9); - IplImage *ipl = cvCreateImage(cvSize(W,H),8,3); - cimglist_for(*this,l) { - CImg &src = _data[l]; - if (src.is_empty()) - cimg::warn(_cimglist_instance - "save_video(): Skip empty frame %d for file '%s'.", - cimglist_instance,l,filename); - if (src._depth>1 || src._spectrum>3) - cimg::warn(_cimglist_instance - "save_video(): Frame %u has incompatible dimension (%u,%u,%u,%u). " - "Some image data may be ignored when writing frame into video file '%s'.", - cimglist_instance,l,src._width,src._height,src._depth,src._spectrum,filename); - if (src._width==W && src._height==H && src._spectrum==3) { - const T *ptr_r = src.data(0,0,0,0), *ptr_g = src.data(0,0,0,1), *ptr_b = src.data(0,0,0,2); - char *ptrd = ipl->imageData; - cimg_forXY(src,x,y) { - *(ptrd++) = (char)*(ptr_b++); *(ptrd++) = (char)*(ptr_g++); *(ptrd++) = (char)*(ptr_r++); - } - } else { - CImg _src(src,false); - _src.channels(0,cimg::min(_src._spectrum - 1,2U)).resize(W,H); - _src.resize(W,H,1,3,_src._spectrum==1?1:0); - const unsigned char *ptr_r = _src.data(0,0,0,0), *ptr_g = _src.data(0,0,0,1), *ptr_b = _src.data(0,0,0,2); - char *ptrd = ipl->imageData; - cimg_forXY(_src,x,y) { - *(ptrd++) = (char)*(ptr_b++); *(ptrd++) = (char)*(ptr_g++); *(ptrd++) = (char)*(ptr_r++); - } - } - cvWriteFrame(writers[index],ipl); - } - cvReleaseImage(&ipl); - cimg::mutex(9,0); - } - - cimg::mutex(9); - if (!keep_open) { - cvReleaseVideoWriter(&writers[index]); - writers[index] = 0; - filenames[index].assign(); - sizes(index,0) = sizes(index,1) = 0; - last_used_index = -1; - } else last_used_index = index; - cimg::mutex(9,0); - - return *this; -#endif - } - - //! Save image sequence, using the external tool 'ffmpeg'. - /** - \param filename Filename to write data to. - \param fps Number of frames per second. - \param codec Type of compression. - \param bitrate Output bitrate - **/ - const CImgList& save_ffmpeg_external(const char *const filename, const unsigned int fps=25, - const char *const codec=0, const unsigned int bitrate=2048) const { - if (!filename) - throw CImgArgumentException(_cimglist_instance - "save_ffmpeg_external(): Specified filename is (null).", - cimglist_instance); - if (is_empty()) { cimg::fempty(0,filename); return *this; } - - const char - *const ext = cimg::split_filename(filename), - *const _codec = codec?codec:!cimg::strcasecmp(ext,"flv")?"flv":"mpeg2video"; - - CImg command(1024), filename_tmp(256), filename_tmp2(256); - CImgList filenames; - std::FILE *file = 0; - cimglist_for(*this,l) if (!_data[l].is_sameXYZ(_data[0])) - throw CImgInstanceException(_cimglist_instance - "save_ffmpeg_external(): Invalid instance dimensions for file '%s'.", - cimglist_instance, - filename); - do { - cimg_snprintf(filename_tmp,filename_tmp._width,"%s%c%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand()); - cimg_snprintf(filename_tmp2,filename_tmp2._width,"%s_000001.ppm",filename_tmp._data); - if ((file=std::fopen(filename_tmp2,"rb"))!=0) cimg::fclose(file); - } while (file); - cimglist_for(*this,l) { - cimg_snprintf(filename_tmp2,filename_tmp2._width,"%s_%.6u.ppm",filename_tmp._data,l + 1); - CImg::string(filename_tmp2).move_to(filenames); - if (_data[l]._depth>1 || _data[l]._spectrum!=3) _data[l].get_resize(-100,-100,1,3).save_pnm(filename_tmp2); - else _data[l].save_pnm(filename_tmp2); - } -#if cimg_OS!=2 - cimg_snprintf(command,command._width,"%s -i \"%s_%%6d.ppm\" -vcodec %s -b %uk -r %u -y \"%s\" >/dev/null 2>&1", - cimg::ffmpeg_path(), - CImg::string(filename_tmp)._system_strescape().data(), - _codec,bitrate,fps, - CImg::string(filename)._system_strescape().data()); -#else - cimg_snprintf(command,command._width,"\"%s -i \"%s_%%6d.ppm\" -vcodec %s -b %uk -r %u -y \"%s\"\" >NUL 2>&1", - cimg::ffmpeg_path(), - CImg::string(filename_tmp)._system_strescape().data(), - _codec,bitrate,fps, - CImg::string(filename)._system_strescape().data()); -#endif - cimg::system(command); - file = std::fopen(filename,"rb"); - if (!file) - throw CImgIOException(_cimglist_instance - "save_ffmpeg_external(): Failed to save file '%s' with external command 'ffmpeg'.", - cimglist_instance, - filename); - else cimg::fclose(file); - cimglist_for(*this,l) std::remove(filenames[l]); - return *this; - } - - //! Serialize a CImgList instance into a raw CImg buffer. - /** - \param is_compressed tells if zlib compression must be used for serialization - (this requires 'cimg_use_zlib' been enabled). - **/ - CImg get_serialize(const bool is_compressed=false) const { -#ifndef cimg_use_zlib - if (is_compressed) - cimg::warn(_cimglist_instance - "get_serialize(): Unable to compress data unless zlib is enabled, " - "storing them uncompressed.", - cimglist_instance); -#endif - CImgList stream; - CImg tmpstr(128); - const char *const ptype = pixel_type(), *const etype = cimg::endianness()?"big":"little"; - if (std::strstr(ptype,"unsigned")==ptype) - cimg_snprintf(tmpstr,tmpstr._width,"%u unsigned_%s %s_endian\n",_width,ptype + 9,etype); - else - cimg_snprintf(tmpstr,tmpstr._width,"%u %s %s_endian\n",_width,ptype,etype); - CImg::string(tmpstr,false).move_to(stream); - cimglist_for(*this,l) { - const CImg& img = _data[l]; - cimg_snprintf(tmpstr,tmpstr._width,"%u %u %u %u",img._width,img._height,img._depth,img._spectrum); - CImg::string(tmpstr,false).move_to(stream); - if (img._data) { - CImg tmp; - if (cimg::endianness()) { tmp = img; cimg::invert_endianness(tmp._data,tmp.size()); } - const CImg& ref = cimg::endianness()?tmp:img; - bool failed_to_compress = true; - if (is_compressed) { -#ifdef cimg_use_zlib - const unsigned long siz = sizeof(T)*ref.size(); - unsigned long csiz = compressBound(siz); - Bytef *const cbuf = new Bytef[csiz]; - if (compress(cbuf,&csiz,(Bytef*)ref._data,siz)) - cimg::warn(_cimglist_instance - "get_serialize(): Failed to save compressed data, saving them uncompressed.", - cimglist_instance); - else { - cimg_snprintf(tmpstr,tmpstr._width," #%lu\n",csiz); - CImg::string(tmpstr,false).move_to(stream); - CImg(cbuf,csiz).move_to(stream); - delete[] cbuf; - failed_to_compress = false; - } -#endif - } - if (failed_to_compress) { // Write in a non-compressed way. - CImg::string("\n",false).move_to(stream); - stream.insert(1); - stream.back().assign((unsigned char*)ref._data,ref.size()*sizeof(T),1,1,1,true); - } - } else CImg::string("\n",false).move_to(stream); - } - cimglist_apply(stream,unroll)('y'); - return stream>'y'; - } - - //! Unserialize a CImg serialized buffer into a CImgList list. - template - static CImgList get_unserialize(const CImg& buffer) { -#ifdef cimg_use_zlib -#define _cimgz_unserialize_case(Tss) { \ - Bytef *cbuf = (Bytef*)stream; \ - if (sizeof(t)!=1 || cimg::type::string()==cimg::type::string()) { \ - cbuf = new Bytef[csiz]; Bytef *_cbuf = cbuf; \ - for (unsigned long i = 0; i raw(W,H,D,C); \ - unsigned long destlen = (unsigned long)raw.size()*sizeof(Tss); \ - uncompress((Bytef*)raw._data,&destlen,cbuf,csiz); \ - if (!is_bytef) delete[] cbuf; \ - if (endian!=cimg::endianness()) cimg::invert_endianness(raw._data,raw.size()); \ - raw.move_to(img); \ - } -#else -#define _cimgz_unserialize_case(Tss) \ - throw CImgArgumentException("CImgList<%s>::get_unserialize(): Unable to unserialize compressed data " \ - "unless zlib is enabled.", \ - pixel_type()); -#endif - -#define _cimg_unserialize_case(Ts,Tss) \ - if (!loaded && !cimg::strcasecmp(Ts,str_pixeltype)) { \ - for (unsigned int l = 0; l::unserialize(): Invalid specified size (%u,%u,%u,%u) for " \ - "image #%u in serialized buffer.", \ - pixel_type(),W,H,D,C,l); \ - if (W*H*D*C>0) { \ - CImg &img = res._data[l]; \ - if (err==5) _cimgz_unserialize_case(Tss) \ - else { \ - if (sizeof(t)!=1) { \ - CImg raw(W*sizeof(Tss),H,D,C); \ - cimg_for(raw,p,unsigned char) *p = (unsigned char)*(stream++); \ - img.assign((Tss*)raw._data,W,H,D,C); \ - } else img.assign((Tss*)stream,W,H,D,C); \ - if (endian!=cimg::endianness()) cimg::invert_endianness(img._data,img.size()); \ - } \ - } \ - } \ - loaded = true; \ - } - - if (buffer.is_empty()) - throw CImgArgumentException("CImgList<%s>::get_unserialize(): Specified serialized buffer is (null).", - pixel_type()); - CImgList res; - const t *stream = buffer._data, *const estream = buffer._data + buffer.size(); - bool loaded = false, endian = cimg::endianness(), is_bytef = false; - CImg tmp(256), str_pixeltype(256), str_endian(256); - *tmp = *str_pixeltype = *str_endian = 0; - unsigned int j, N = 0, W, H, D, C; - unsigned long csiz; - int i, err; - cimg::unused(is_bytef); - do { - j = 0; while ((i=(int)*stream)!='\n' && stream::get_unserialize(): CImg header not found in serialized buffer.", - pixel_type()); - if (!cimg::strncasecmp("little",str_endian,6)) endian = false; - else if (!cimg::strncasecmp("big",str_endian,3)) endian = true; - res.assign(N); - _cimg_unserialize_case("bool",bool); - _cimg_unserialize_case("unsigned_char",unsigned char); - _cimg_unserialize_case("uchar",unsigned char); - _cimg_unserialize_case("char",char); - _cimg_unserialize_case("unsigned_short",unsigned short); - _cimg_unserialize_case("ushort",unsigned short); - _cimg_unserialize_case("short",short); - _cimg_unserialize_case("unsigned_int",unsigned int); - _cimg_unserialize_case("uint",unsigned int); - _cimg_unserialize_case("int",int); - _cimg_unserialize_case("unsigned_long",unsigned long); - _cimg_unserialize_case("ulong",unsigned long); - _cimg_unserialize_case("long",long); - _cimg_unserialize_case("float",float); - _cimg_unserialize_case("double",double); - if (!loaded) - throw CImgArgumentException("CImgList<%s>::get_unserialize(): Unsupported pixel type '%s' defined " - "in serialized buffer.", - pixel_type(),str_pixeltype._data); - return res; - } - - //@} - //---------------------------------- - // - //! \name Others - //@{ - //---------------------------------- - - //! Crop font along the X-axis. - /** - **/ - CImgList& crop_font() { - return get_crop_font().move_to(*this); - } - - //! Crop font along the X-axis \newinstance. - /** - **/ - CImgList get_crop_font() const { - CImgList res; - cimglist_for(*this,l) { - const CImg& letter = (*this)[l]; - int xmin = letter.width(), xmax = 0; - cimg_forXY(letter,x,y) if (letter(x,y)) { if (xxmax) xmax = x; } - if (xmin>xmax) CImg(letter._width,letter._height,1,letter._spectrum,0).move_to(res); - else letter.get_crop(xmin,0,xmax,letter._height - 1).move_to(res); - } - res[' '].resize(res['f']._width,-100,-100,-100,0); - if (' ' + 256& font(const unsigned int font_height, const bool is_variable_width=true) { - if (!font_height) return CImgList::const_empty(); - cimg::mutex(11); - - // Decompress nearest base font data if needed. - static const char *data_fonts[] = { cimg::data_font12x13, cimg::data_font20x23, cimg::data_font47x53, 0 }; - static const unsigned int data_widths[] = { 12,20,47,90 }, data_heights[] = { 13,23,53,103 }, - data_Ms[] = { 86,79,57,47 }; - const unsigned int data_ind = font_height<=13U?0U:font_height<=23U?1U:font_height<=53U?2U:3U; - static CImg base_fonts[4]; - CImg &base_font = base_fonts[data_ind]; - if (!base_font) { - const unsigned int w = data_widths[data_ind], h = data_heights[data_ind], M = data_Ms[data_ind]; - base_font.assign(256*w,h); - const char *data_font = data_fonts[data_ind]; - unsigned char *ptrd = base_font; - const unsigned char *const ptrde = base_font.end(); - - // Special case needed for 90x103 to avoid MS compiler limit with big strings. - CImg data90x103; - if (!data_font) { - ((CImg(cimg::_data_font90x103[0], - (unsigned int)std::strlen(cimg::_data_font90x103[0]),1,1,1,true), - CImg(cimg::_data_font90x103[1], - (unsigned int)std::strlen(cimg::_data_font90x103[1]) + 1,1,1,1,true))>'x'). - move_to(data90x103); - data_font = data90x103.data(); - } - - // Uncompress font data (decode RLE). - for (const char *ptrs = data_font; *ptrs; ++ptrs) { - const int c = (int)(*ptrs - M - 32), v = c>=0?255:0, n = c>=0?c:-c; - if (ptrd + n<=ptrde) { std::memset(ptrd,v,n); ptrd+=n; } - else { std::memset(ptrd,v,ptrde - ptrd); break; } - } - } - - // Find optimal font cache location to return. - static CImgList fonts[16]; - static bool is_variable_widths[16] = { 0 }; - unsigned int ind = ~0U; - for (int i = 0; i<16; ++i) - if (!fonts[i] || (is_variable_widths[i]==is_variable_width && font_height==fonts[i][0]._height)) { - ind = (unsigned int)i; break; // Found empty slot or cached font. - } - if (ind==~0U) { // No empty slots nor existing font in cache. - std::memmove(fonts,fonts + 1,15*sizeof(CImgList)); - std::memmove(is_variable_widths,is_variable_widths + 1,15*sizeof(bool)); - std::memset(fonts + (ind=15),0,sizeof(CImgList)); // Free a slot in cache for new font. - } - CImgList &font = fonts[ind]; - - // Render requested font. - if (!font) { - const unsigned int padding_x = font_height<33U?1U:font_height<53U?2U:font_height<103U?3U:4U; - is_variable_widths[ind] = is_variable_width; - font = base_font.get_split('x',256); - if (font_height!=font[0]._height) - cimglist_for(font,l) - font[l].resize(cimg::max(1U,font[l]._width*font_height/font[l]._height),font_height,-100,-100, - font[0]._height>font_height?2:5); - if (is_variable_width) font.crop_font(); - cimglist_for(font,l) font[l].resize(font[l]._width + padding_x,-100,1,1,0,0,0.5); - font.insert(256,0); - cimglist_for_in(font,0,255,l) font[l].assign(font[l + 256]._width,font[l + 256]._height,1,3,1); - } - cimg::mutex(11,0); - return font; - } - - //! Compute a 1d Fast Fourier Transform, along specified axis. - /** - \param axis Axis along which the Fourier transform is computed. - \param invert Tells if the direct (\c false) or inverse transform (\c true) is computed. - **/ - CImgList& FFT(const char axis, const bool invert=false) { - if (is_empty()) return *this; - if (_width==1) insert(1); - if (_width>2) - cimg::warn(_cimglist_instance - "FFT(): Instance has more than 2 images", - cimglist_instance); - - CImg::FFT(_data[0],_data[1],axis,invert); - return *this; - } - - //! Compute a 1-D Fast Fourier Transform, along specified axis \newinstance. - CImgList get_FFT(const char axis, const bool invert=false) const { - return CImgList(*this,false).FFT(axis,invert); - } - - //! Compute a n-d Fast Fourier Transform. - /** - \param invert Tells if the direct (\c false) or inverse transform (\c true) is computed. - **/ - CImgList& FFT(const bool invert=false) { - if (is_empty()) return *this; - if (_width==1) insert(1); - if (_width>2) - cimg::warn(_cimglist_instance - "FFT(): Instance has more than 2 images", - cimglist_instance); - - CImg::FFT(_data[0],_data[1],invert); - return *this; - } - - //! Compute a n-d Fast Fourier Transform \newinstance. - CImgList get_FFT(const bool invert=false) const { - return CImgList(*this,false).FFT(invert); - } - - //! Reverse primitives orientations of a 3d object. - /** - **/ - CImgList& reverse_object3d() { - cimglist_for(*this,l) { - CImg& p = _data[l]; - switch (p.size()) { - case 2 : case 3: cimg::swap(p[0],p[1]); break; - case 6 : cimg::swap(p[0],p[1],p[2],p[4],p[3],p[5]); break; - case 9 : cimg::swap(p[0],p[1],p[3],p[5],p[4],p[6]); break; - case 4 : cimg::swap(p[0],p[1],p[2],p[3]); break; - case 12 : cimg::swap(p[0],p[1],p[2],p[3],p[4],p[6],p[5],p[7],p[8],p[10],p[9],p[11]); break; - } - } - return *this; - } - - //! Reverse primitives orientations of a 3d object \newinstance. - CImgList get_reverse_object3d() const { - return (+*this).reverse_object3d(); - } - - //@} - }; // struct CImgList { ... - - /* - #--------------------------------------------- - # - # Completion of previously declared functions - # - #---------------------------------------------- - */ - -namespace cimg { - - //! Get/set path to store temporary files. - /** - \param user_path Specified path, or \c 0 to get the path currently used. - \param reinit_path Force path to be recalculated (may take some time). - \return Path where temporary files can be saved. - **/ - inline const char* temporary_path(const char *const user_path, const bool reinit_path) { -#define _cimg_test_temporary_path(p) \ - if (!path_found) { \ - cimg_snprintf(s_path,s_path.width(),"%s",p); \ - cimg_snprintf(tmp,tmp._width,"%s%c%s",s_path.data(),cimg_file_separator,filename_tmp._data); \ - if ((file=std::fopen(tmp,"wb"))!=0) { cimg::fclose(file); std::remove(tmp); path_found = true; } \ - } - static CImg s_path; - cimg::mutex(7); - if (reinit_path) s_path.assign(); - if (user_path) { - if (!s_path) s_path.assign(1024); - std::strncpy(s_path,user_path,1023); - } else if (!s_path) { - s_path.assign(1024); - bool path_found = false; - CImg tmp(1024), filename_tmp(256); - std::FILE *file = 0; - cimg_snprintf(filename_tmp,filename_tmp._width,"%s.tmp",cimg::filenamerand()); - char *tmpPath = std::getenv("TMP"); - if (!tmpPath) { tmpPath = std::getenv("TEMP"); winformat_string(tmpPath); } - if (tmpPath) _cimg_test_temporary_path(tmpPath); -#if cimg_OS==2 - _cimg_test_temporary_path("C:\\WINNT\\Temp"); - _cimg_test_temporary_path("C:\\WINDOWS\\Temp"); - _cimg_test_temporary_path("C:\\Temp"); - _cimg_test_temporary_path("C:"); - _cimg_test_temporary_path("D:\\WINNT\\Temp"); - _cimg_test_temporary_path("D:\\WINDOWS\\Temp"); - _cimg_test_temporary_path("D:\\Temp"); - _cimg_test_temporary_path("D:"); -#else - _cimg_test_temporary_path("/tmp"); - _cimg_test_temporary_path("/var/tmp"); -#endif - if (!path_found) { - *s_path = 0; - std::strncpy(tmp,filename_tmp,tmp._width - 1); - if ((file=std::fopen(tmp,"wb"))!=0) { cimg::fclose(file); std::remove(tmp); path_found = true; } - } - if (!path_found) { - cimg::mutex(7,0); - throw CImgIOException("cimg::temporary_path(): Failed to locate path for writing temporary files.\n"); - } - } - cimg::mutex(7,0); - return s_path; - } - - //! Get/set path to the Program Files/ directory (Windows only). - /** - \param user_path Specified path, or \c 0 to get the path currently used. - \param reinit_path Force path to be recalculated (may take some time). - \return Path containing the program files. - **/ -#if cimg_OS==2 - inline const char* programfiles_path(const char *const user_path, const bool reinit_path) { - static CImg s_path; - cimg::mutex(7); - if (reinit_path) s_path.assign(); - if (user_path) { - if (!s_path) s_path.assign(1024); - std::strncpy(s_path,user_path,1023); - } else if (!s_path) { - s_path.assign(MAX_PATH); - *s_path = 0; - // Note: in the following line, 0x26 = CSIDL_PROGRAM_FILES (not defined on every compiler). -#if !defined(__INTEL_COMPILER) - if (!SHGetSpecialFolderPathA(0,s_path,0x0026,false)) { - const char *const pfPath = std::getenv("PROGRAMFILES"); - if (pfPath) std::strncpy(s_path,pfPath,MAX_PATH - 1); - else std::strcpy(s_path,"C:\\PROGRA~1"); - } -#else - std::strcpy(s_path,"C:\\PROGRA~1"); -#endif - } - cimg::mutex(7,0); - return s_path; - } -#endif - - //! Get/set path to the ImageMagick's \c convert binary. - /** - \param user_path Specified path, or \c 0 to get the path currently used. - \param reinit_path Force path to be recalculated (may take some time). - \return Path containing the \c convert binary. - **/ - inline const char* imagemagick_path(const char *const user_path, const bool reinit_path) { - static CImg s_path; - cimg::mutex(7); - if (reinit_path) s_path.assign(); - if (user_path) { - if (!s_path) s_path.assign(1024); - std::strncpy(s_path,user_path,1023); - } else if (!s_path) { - s_path.assign(1024); - bool path_found = false; - std::FILE *file = 0; -#if cimg_OS==2 - const char *const pf_path = programfiles_path(); - if (!path_found) { - std::strcpy(s_path,".\\convert.exe"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=10 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"%s\\IMAGEM~1.%.2d-\\convert.exe",pf_path,k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 9; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"%s\\IMAGEM~1.%d-Q\\convert.exe",pf_path,k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"%s\\IMAGEM~1.%d\\convert.exe",pf_path,k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=10 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"%s\\IMAGEM~1.%.2d-\\VISUA~1\\BIN\\convert.exe",pf_path,k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 9; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"%s\\IMAGEM~1.%d-Q\\VISUA~1\\BIN\\convert.exe",pf_path,k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"%s\\IMAGEM~1.%d\\VISUA~1\\BIN\\convert.exe",pf_path,k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=10 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"C:\\IMAGEM~1.%.2d-\\convert.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 9; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"C:\\IMAGEM~1.%d-Q\\convert.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"C:\\IMAGEM~1.%d\\convert.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=10 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"C:\\IMAGEM~1.%.2d-\\VISUA~1\\BIN\\convert.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 9; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"C:\\IMAGEM~1.%d-Q\\VISUA~1\\BIN\\convert.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"C:\\IMAGEM~1.%d\\VISUA~1\\BIN\\convert.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=10 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"D:\\IMAGEM~1.%.2d-\\convert.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 9; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"D:\\IMAGEM~1.%d-Q\\convert.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"D:\\IMAGEM~1.%d\\convert.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=10 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"D:\\IMAGEM~1.%.2d-\\VISUA~1\\BIN\\convert.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 9; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"D:\\IMAGEM~1.%d-Q\\VISUA~1\\BIN\\convert.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"D:\\IMAGEM~1.%d\\VISUA~1\\BIN\\convert.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"convert.exe"); -#else - if (!path_found) { - std::strcpy(s_path,"./convert"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"convert"); -#endif - winformat_string(s_path); - } - cimg::mutex(7,0); - return s_path; - } - - //! Get/set path to the GraphicsMagick's \c gm binary. - /** - \param user_path Specified path, or \c 0 to get the path currently used. - \param reinit_path Force path to be recalculated (may take some time). - \return Path containing the \c gm binary. - **/ - inline const char* graphicsmagick_path(const char *const user_path, const bool reinit_path) { - static CImg s_path; - cimg::mutex(7); - if (reinit_path) s_path.assign(); - if (user_path) { - if (!s_path) s_path.assign(1024); - std::strncpy(s_path,user_path,1023); - } else if (!s_path) { - s_path.assign(1024); - bool path_found = false; - std::FILE *file = 0; -#if cimg_OS==2 - const char *const pf_path = programfiles_path(); - if (!path_found) { - std::strcpy(s_path,".\\gm.exe"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=10 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"%s\\GRAPHI~1.%.2d-\\gm.exe",pf_path,k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 9; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"%s\\GRAPHI~1.%d-Q\\gm.exe",pf_path,k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"%s\\GRAPHI~1.%d\\gm.exe",pf_path,k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=10 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"%s\\GRAPHI~1.%.2d-\\VISUA~1\\BIN\\gm.exe",pf_path,k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 9; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"%s\\GRAPHI~1.%d-Q\\VISUA~1\\BIN\\gm.exe",pf_path,k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"%s\\GRAPHI~1.%d\\VISUA~1\\BIN\\gm.exe",pf_path,k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=10 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"C:\\GRAPHI~1.%.2d-\\gm.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 9; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"C:\\GRAPHI~1.%d-Q\\gm.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"C:\\GRAPHI~1.%d\\gm.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=10 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"C:\\GRAPHI~1.%.2d-\\VISUA~1\\BIN\\gm.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 9; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"C:\\GRAPHI~1.%d-Q\\VISUA~1\\BIN\\gm.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"C:\\GRAPHI~1.%d\\VISUA~1\\BIN\\gm.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=10 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"D:\\GRAPHI~1.%.2d-\\gm.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 9; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"D:\\GRAPHI~1.%d-Q\\gm.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"D:\\GRAPHI~1.%d\\gm.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=10 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"D:\\GRAPHI~1.%.2d-\\VISUA~1\\BIN\\gm.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 9; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"D:\\GRAPHI~1.%d-Q\\VISUA~1\\BIN\\gm.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - for (int k = 32; k>=0 && !path_found; --k) { - cimg_snprintf(s_path,s_path._width,"D:\\GRAPHI~1.%d\\VISUA~1\\BIN\\gm.exe",k); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"gm.exe"); -#else - if (!path_found) { - std::strcpy(s_path,"./gm"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"gm"); -#endif - winformat_string(s_path); - } - cimg::mutex(7,0); - return s_path; - } - - //! Get/set path to the XMedcon's \c medcon binary. - /** - \param user_path Specified path, or \c 0 to get the path currently used. - \param reinit_path Force path to be recalculated (may take some time). - \return Path containing the \c medcon binary. - **/ - inline const char* medcon_path(const char *const user_path, const bool reinit_path) { - static CImg s_path; - cimg::mutex(7); - if (reinit_path) s_path.assign(); - if (user_path) { - if (!s_path) s_path.assign(1024); - std::strncpy(s_path,user_path,1023); - } else if (!s_path) { - s_path.assign(1024); - bool path_found = false; - std::FILE *file = 0; -#if cimg_OS==2 - const char *const pf_path = programfiles_path(); - if (!path_found) { - std::strcpy(s_path,".\\medcon.exe"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) { - cimg_snprintf(s_path,s_path._width,"%s\\XMedCon\\bin\\medcon.bat",pf_path); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) { - cimg_snprintf(s_path,s_path._width,"%s\\XMedCon\\bin\\medcon.exe",pf_path); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) { - std::strcpy(s_path,"C:\\XMedCon\\bin\\medcon.exe"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"medcon.exe"); -#else - if (!path_found) { - std::strcpy(s_path,"./medcon"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"medcon"); -#endif - winformat_string(s_path); - } - cimg::mutex(7,0); - return s_path; - } - - //! Get/set path to the FFMPEG's \c ffmpeg binary. - /** - \param user_path Specified path, or \c 0 to get the path currently used. - \param reinit_path Force path to be recalculated (may take some time). - \return Path containing the \c ffmpeg binary. - **/ - inline const char *ffmpeg_path(const char *const user_path, const bool reinit_path) { - static CImg s_path; - cimg::mutex(7); - if (reinit_path) s_path.assign(); - if (user_path) { - if (!s_path) s_path.assign(1024); - std::strncpy(s_path,user_path,1023); - } else if (!s_path) { - s_path.assign(1024); - bool path_found = false; - std::FILE *file = 0; -#if cimg_OS==2 - if (!path_found) { - std::strcpy(s_path,".\\ffmpeg.exe"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"ffmpeg.exe"); -#else - if (!path_found) { - std::strcpy(s_path,"./ffmpeg"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"ffmpeg"); -#endif - winformat_string(s_path); - } - cimg::mutex(7,0); - return s_path; - } - - //! Get/set path to the \c gzip binary. - /** - \param user_path Specified path, or \c 0 to get the path currently used. - \param reinit_path Force path to be recalculated (may take some time). - \return Path containing the \c gzip binary. - **/ - inline const char *gzip_path(const char *const user_path, const bool reinit_path) { - static CImg s_path; - cimg::mutex(7); - if (reinit_path) s_path.assign(); - if (user_path) { - if (!s_path) s_path.assign(1024); - std::strncpy(s_path,user_path,1023); - } else if (!s_path) { - s_path.assign(1024); - bool path_found = false; - std::FILE *file = 0; -#if cimg_OS==2 - if (!path_found) { - std::strcpy(s_path,".\\gzip.exe"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"gzip.exe"); -#else - if (!path_found) { - std::strcpy(s_path,"./gzip"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"gzip"); -#endif - winformat_string(s_path); - } - cimg::mutex(7,0); - return s_path; - } - - //! Get/set path to the \c gunzip binary. - /** - \param user_path Specified path, or \c 0 to get the path currently used. - \param reinit_path Force path to be recalculated (may take some time). - \return Path containing the \c gunzip binary. - **/ - inline const char *gunzip_path(const char *const user_path, const bool reinit_path) { - static CImg s_path; - cimg::mutex(7); - if (reinit_path) s_path.assign(); - if (user_path) { - if (!s_path) s_path.assign(1024); - std::strncpy(s_path,user_path,1023); - } else if (!s_path) { - s_path.assign(1024); - bool path_found = false; - std::FILE *file = 0; -#if cimg_OS==2 - if (!path_found) { - std::strcpy(s_path,".\\gunzip.exe"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"gunzip.exe"); -#else - if (!path_found) { - std::strcpy(s_path,"./gunzip"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"gunzip"); -#endif - winformat_string(s_path); - } - cimg::mutex(7,0); - return s_path; - } - - //! Get/set path to the \c dcraw binary. - /** - \param user_path Specified path, or \c 0 to get the path currently used. - \param reinit_path Force path to be recalculated (may take some time). - \return Path containing the \c dcraw binary. - **/ - inline const char *dcraw_path(const char *const user_path, const bool reinit_path) { - static CImg s_path; - cimg::mutex(7); - if (reinit_path) s_path.assign(); - if (user_path) { - if (!s_path) s_path.assign(1024); - std::strncpy(s_path,user_path,1023); - } else if (!s_path) { - s_path.assign(1024); - bool path_found = false; - std::FILE *file = 0; -#if cimg_OS==2 - if (!path_found) { - std::strcpy(s_path,".\\dcraw.exe"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"dcraw.exe"); -#else - if (!path_found) { - std::strcpy(s_path,"./dcraw"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"dcraw"); -#endif - winformat_string(s_path); - } - cimg::mutex(7,0); - return s_path; - } - - //! Get/set path to the \c wget binary. - /** - \param user_path Specified path, or \c 0 to get the path currently used. - \param reinit_path Force path to be recalculated (may take some time). - \return Path containing the \c wget binary. - **/ - inline const char *wget_path(const char *const user_path, const bool reinit_path) { - static CImg s_path; - cimg::mutex(7); - if (reinit_path) s_path.assign(); - if (user_path) { - if (!s_path) s_path.assign(1024); - std::strncpy(s_path,user_path,1023); - } else if (!s_path) { - s_path.assign(1024); - bool path_found = false; - std::FILE *file = 0; -#if cimg_OS==2 - if (!path_found) { - std::strcpy(s_path,".\\wget.exe"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"wget.exe"); -#else - if (!path_found) { - std::strcpy(s_path,"./wget"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"wget"); -#endif - winformat_string(s_path); - } - cimg::mutex(7,0); - return s_path; - } - - //! Get/set path to the \c curl binary. - /** - \param user_path Specified path, or \c 0 to get the path currently used. - \param reinit_path Force path to be recalculated (may take some time). - \return Path containing the \c curl binary. - **/ - inline const char *curl_path(const char *const user_path, const bool reinit_path) { - static CImg s_path; - cimg::mutex(7); - if (reinit_path) s_path.assign(); - if (user_path) { - if (!s_path) s_path.assign(1024); - std::strncpy(s_path,user_path,1023); - } else if (!s_path) { - s_path.assign(1024); - bool path_found = false; - std::FILE *file = 0; -#if cimg_OS==2 - if (!path_found) { - std::strcpy(s_path,".\\curl.exe"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"curl.exe"); -#else - if (!path_found) { - std::strcpy(s_path,"./curl"); - if ((file=std::fopen(s_path,"r"))!=0) { cimg::fclose(file); path_found = true; } - } - if (!path_found) std::strcpy(s_path,"curl"); -#endif - winformat_string(s_path); - } - cimg::mutex(7,0); - return s_path; - } - - // [internal] Sorting function, used by cimg::files(). - inline int _sort_files(const void* a, const void* b) { - const CImg &sa = *(CImg*)a, &sb = *(CImg*)b; - return std::strcmp(sa._data,sb._data); - } - - //! Return list of files/directories in specified directory. - /** - \param path Path to the directory. Set to 0 for current directory. - \param is_pattern Tell if specified path has a matching pattern in it. - \param mode Output type, can be primary { 0=files only | 1=folders only | 2=files + folders }. - \param include_path Tell if \c path must be included in resulting filenames. - \return A list of filenames. - **/ - inline CImgList files(const char *const path, const bool is_pattern=false, - const unsigned int mode=2, const bool include_path=false) { - if (!path || !*path) return files("*",true,mode,include_path); - CImgList res; - - // If path is a valid folder name, ignore argument 'is_pattern'. - const bool _is_pattern = is_pattern && !cimg::is_directory(path); - bool is_root = false, is_current = false; - cimg::unused(is_root,is_current); - - // Clean format of input path. - CImg pattern, _path = CImg::string(path); -#if cimg_OS==2 - for (char *ps = _path; *ps; ++ps) if (*ps=='\\') *ps='/'; -#endif - char *pd = _path; - for (char *ps = pd; *ps; ++ps) { if (*ps!='/' || *ps!=*(ps+1)) *(pd++) = *ps; } - *pd = 0; - unsigned int lp = (unsigned int)std::strlen(_path); - if (!_is_pattern && lp && _path[lp - 1]=='/') { - _path[lp - 1] = 0; --lp; -#if cimg_OS!=2 - is_root = !*_path; -#endif - } - - // Separate folder path and matching pattern. - if (_is_pattern) { - const unsigned int bpos = (unsigned int)(cimg::basename(_path,'/') - _path.data()); - CImg::string(_path).move_to(pattern); - if (bpos) { - _path[bpos - 1] = 0; // End 'path' at last slash. -#if cimg_OS!=2 - is_root = !*_path; -#endif - } else { // No path to folder specified, assuming current folder. - is_current = true; *_path = 0; - } - lp = (unsigned int)std::strlen(_path); - } - - // Windows version. -#if cimg_OS==2 - if (!_is_pattern) { - pattern.assign(lp + 3); - std::memcpy(pattern,_path,lp); - pattern[lp] = '/'; pattern[lp + 1] = '*'; pattern[lp + 2] = 0; - } - WIN32_FIND_DATAA file_data; - const HANDLE dir = FindFirstFileA(pattern.data(),&file_data); - if (dir==INVALID_HANDLE_VALUE) return CImgList::const_empty(); - do { - const char *const filename = file_data.cFileName; - if (*filename!='.' || (filename[1] && (filename[1]!='.' || filename[2]))) { - const unsigned int lf = (unsigned int)std::strlen(filename); - const bool is_directory = (file_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)!=0; - if ((!mode && !is_directory) || (mode==1 && is_directory) || mode>=2) { - if (include_path) { - CImg full_filename((lp?lp+1:0) + lf + 1); - if (lp) { std::memcpy(full_filename,_path,lp); full_filename[lp] = '/'; } - std::memcpy(full_filename._data + (lp?lp + 1:0),filename,lf + 1); - full_filename.move_to(res); - } else CImg(filename,lf + 1).move_to(res); - } - } - } while (FindNextFileA(dir,&file_data)); - FindClose(dir); - - // Unix version (posix). -#else - DIR *const dir = opendir(is_root?"/":is_current?".":_path.data()); - if (!dir) return CImgList::const_empty(); - struct dirent *ent; - while ((ent=readdir(dir))!=0) { - const char *const filename = ent->d_name; - if (*filename!='.' || (filename[1] && (filename[1]!='.' || filename[2]))) { - const unsigned int lf = (unsigned int)std::strlen(filename); - CImg full_filename(lp + lf + 2); - - if (!is_current) { - full_filename.assign(lp + lf + 2); - if (lp) std::memcpy(full_filename,_path,lp); - full_filename[lp] = '/'; - std::memcpy(full_filename._data + lp + 1,filename,lf + 1); - } else full_filename.assign(filename,lf + 1); - - struct stat st; - if (stat(full_filename,&st)==-1) continue; - const bool is_directory = (st.st_mode & S_IFDIR)!=0; - if ((!mode && !is_directory) || (mode==1 && is_directory) || mode==2) { - if (include_path) { - if (!_is_pattern || (_is_pattern && !fnmatch(pattern,full_filename,0))) - full_filename.move_to(res); - } else { - if (!_is_pattern || (_is_pattern && !fnmatch(pattern,full_filename,0))) - CImg(filename,lf + 1).move_to(res); - } - } - } - } - closedir(dir); -#endif - - // Sort resulting list by lexicographic order. - if (res._width>=2) std::qsort(res._data,res._width,sizeof(CImg),_sort_files); - - return res; - } - - //! Try to guess format from an image file. - /** - \param file Input file (can be \c 0 if \c filename is set). - \param filename Filename, as a C-string (can be \c 0 if \c file is set). - \return C-string containing the guessed file format, or \c 0 if nothing has been guessed. - **/ - inline const char *ftype(std::FILE *const file, const char *const filename) { - if (!file && !filename) - throw CImgArgumentException("cimg::ftype(): Specified filename is (null)."); - static const char - *const _pnm = "pnm", - *const _pfm = "pfm", - *const _bmp = "bmp", - *const _gif = "gif", - *const _jpg = "jpg", - *const _off = "off", - *const _pan = "pan", - *const _png = "png", - *const _tif = "tif", - *const _inr = "inr", - *const _dcm = "dcm"; - const char *f_type = 0; - CImg header; - const unsigned int omode = cimg::exception_mode(); - cimg::exception_mode(0); - try { - header._load_raw(file,filename,512,1,1,1,false,false,0); - const unsigned char *const uheader = (unsigned char*)header._data; - if (!std::strncmp(header,"OFF\n",4)) f_type = _off; // OFF. - else if (!std::strncmp(header,"#INRIMAGE",9)) f_type = _inr; // INRIMAGE. - else if (!std::strncmp(header,"PANDORE",7)) f_type = _pan; // PANDORE. - else if (!std::strncmp(header.data() + 128,"DICM",4)) f_type = _dcm; // DICOM. - else if (uheader[0]==0xFF && uheader[1]==0xD8 && uheader[2]==0xFF) f_type = _jpg; // JPEG. - else if (header[0]=='B' && header[1]=='M') f_type = _bmp; // BMP. - else if (header[0]=='G' && header[1]=='I' && header[2]=='F' && header[3]=='8' && header[5]=='a' && // GIF. - (header[4]=='7' || header[4]=='9')) f_type = _gif; - else if (uheader[0]==0x89 && uheader[1]==0x50 && uheader[2]==0x4E && uheader[3]==0x47 && // PNG. - uheader[4]==0x0D && uheader[5]==0x0A && uheader[6]==0x1A && uheader[7]==0x0A) f_type = _png; - else if ((uheader[0]==0x49 && uheader[1]==0x49) || (uheader[0]==0x4D && uheader[1]==0x4D)) f_type = _tif; // TIFF. - else { // PNM or PFM. - CImgList _header = header.get_split(CImg::vector('\n'),0,false); - cimglist_for(_header,l) { - if (_header(l,0)=='#') continue; - if (_header[l]._height==2 && _header(l,0)=='P') { - const char c = _header(l,1); - if (c=='f' || c=='F') { f_type = _pfm; break; } - if (c>='1' && c<='9') { f_type = _pnm; break; } - } - f_type = 0; break; - } - } - } catch (CImgIOException&) { } - cimg::exception_mode(omode); - return f_type; - } - - //! Load file from network as a local temporary file. - /** - \param filename Filename, as a C-string. - \param[out] filename_local C-string containing the path to a local copy of \c filename. - \param timeout Maximum time (in seconds) authorized for downloading the file from the URL. - \param try_fallback When using libcurl, tells using system calls as fallbacks in case of libcurl failure. - \return Value of \c filename_local. - \note Use the \c libcurl library, or the external binaries \c wget or \c curl to perform the download. - **/ - inline char *load_network(const char *const url, char *const filename_local, - const unsigned int timeout, const bool try_fallback, - const char *const referer) { - if (!url) - throw CImgArgumentException("cimg::load_network(): Specified URL is (null)."); - if (!filename_local) - throw CImgArgumentException("cimg::load_network(): Specified destination string is (null)."); - - const char *const __ext = cimg::split_filename(url), *const _ext = (*__ext && __ext>url)?__ext - 1:__ext; - CImg ext = CImg::string(_ext); - std::FILE *file = 0; - *filename_local = 0; - if (ext._width>16 || !cimg::strncasecmp(ext,"cgi",3)) *ext = 0; - else cimg::strwindows_reserved(ext); - do { - cimg_snprintf(filename_local,256,"%s%c%s%s", - cimg::temporary_path(),cimg_file_separator,cimg::filenamerand(),ext._data); - if ((file=std::fopen(filename_local,"rb"))!=0) cimg::fclose(file); - } while (file); - -#ifdef cimg_use_curl - const unsigned int omode = cimg::exception_mode(); - cimg::exception_mode(0); - try { - CURL *curl = 0; - CURLcode res; - curl = curl_easy_init(); - if (curl) { - file = cimg::fopen(filename_local,"wb"); - curl_easy_setopt(curl,CURLOPT_URL,url); - curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION,0); - curl_easy_setopt(curl,CURLOPT_WRITEDATA,file); - curl_easy_setopt(curl,CURLOPT_SSL_VERIFYPEER,0L); - curl_easy_setopt(curl,CURLOPT_SSL_VERIFYHOST,0L); - curl_easy_setopt(curl,CURLOPT_FOLLOWLOCATION,1L); - if (timeout) curl_easy_setopt(curl,CURLOPT_TIMEOUT,(long)timeout); - if (std::strchr(url,'?')) curl_easy_setopt(curl,CURLOPT_HTTPGET,1L); - if (referer) curl_easy_setopt(curl,CURLOPT_REFERER,referer); - res = curl_easy_perform(curl); - curl_easy_cleanup(curl); - std::fseek(file,0,SEEK_END); // Check if file size is 0. - const long siz = std::ftell(file); - cimg::fclose(file); - if (siz>0 && res==CURLE_OK) { - cimg::exception_mode(omode); - return filename_local; - } else std::remove(filename_local); - } - } catch (...) { } - cimg::exception_mode(omode); - if (!try_fallback) throw CImgIOException("cimg::load_network(): Failed to load file '%s' with libcurl.",url); -#endif - - CImg command((unsigned int)std::strlen(url) + 64); - cimg::unused(try_fallback); - - // Try with 'curl' first. - if (timeout) { - if (referer) - cimg_snprintf(command,command._width,"%s -e %s -m %u -f --silent --compressed -o \"%s\" \"%s\"", - cimg::curl_path(),referer,timeout,filename_local,url); - else - cimg_snprintf(command,command._width,"%s -m %u -f --silent --compressed -o \"%s\" \"%s\"", - cimg::curl_path(),timeout,filename_local,url); - } else { - if (referer) - cimg_snprintf(command,command._width,"%s -e %s -f --silent --compressed -o \"%s\" \"%s\"", - cimg::curl_path(),referer,filename_local,url); - else - cimg_snprintf(command,command._width,"%s -f --silent --compressed -o \"%s\" \"%s\"", - cimg::curl_path(),filename_local,url); - } - cimg::system(command); - - if (!(file = std::fopen(filename_local,"rb"))) { - - // Try with 'wget' otherwise. - if (timeout) { - if (referer) - cimg_snprintf(command,command._width,"%s --referer=%s -T %u -q -r -l 0 --no-cache -O \"%s\" \"%s\"", - cimg::wget_path(),referer,timeout,filename_local,url); - else - cimg_snprintf(command,command._width,"%s -T %u -q -r -l 0 --no-cache -O \"%s\" \"%s\"", - cimg::wget_path(),timeout,filename_local,url); - } else { - if (referer) - cimg_snprintf(command,command._width,"%s --referer=%s -q -r -l 0 --no-cache -O \"%s\" \"%s\"", - cimg::wget_path(),referer,filename_local,url); - else - cimg_snprintf(command,command._width,"%s -q -r -l 0 --no-cache -O \"%s\" \"%s\"", - cimg::wget_path(),filename_local,url); - } - cimg::system(command); - - if (!(file = std::fopen(filename_local,"rb"))) - throw CImgIOException("cimg::load_network(): Failed to load file '%s' with external commands " - "'wget' or 'curl'.",url); - cimg::fclose(file); - - // Try gunzip it. - cimg_snprintf(command,command._width,"%s.gz",filename_local); - std::rename(filename_local,command); - cimg_snprintf(command,command._width,"%s --quiet \"%s.gz\"", - gunzip_path(),filename_local); - cimg::system(command); - file = std::fopen(filename_local,"rb"); - if (!file) { - cimg_snprintf(command,command._width,"%s.gz",filename_local); - std::rename(command,filename_local); - file = std::fopen(filename_local,"rb"); - } - } - std::fseek(file,0,SEEK_END); // Check if file size is 0. - if (std::ftell(file)<=0) - throw CImgIOException("cimg::load_network(): Failed to load URL '%s' with external commands " - "'wget' or 'curl'.",url); - cimg::fclose(file); - return filename_local; - } - - // Implement a tic/toc mechanism to display elapsed time of algorithms. - inline unsigned long tictoc(const bool is_tic) { - cimg::mutex(2); - static CImg times(64); - static unsigned int pos = 0; - const unsigned long t1 = cimg::time(); - if (is_tic) { // Tic. - times[pos++] = t1; - if (pos>=times._width) - throw CImgArgumentException("cimg::tic(): Too much calls to 'cimg::tic()' without calls to 'cimg::toc()'."); - cimg::mutex(2,0); - return t1; - } - // Toc. - if (!pos) - throw CImgArgumentException("cimg::toc(): No previous call to 'cimg::tic()' has been made."); - const unsigned long - t0 = times[--pos], - dt = t1>=t0?(t1 - t0):cimg::type::max(); - const unsigned int - edays = (unsigned int)(dt/86400000.0), - ehours = (unsigned int)((dt - edays*86400000.0)/3600000.0), - emin = (unsigned int)((dt - edays*86400000.0 - ehours*3600000.0)/60000.0), - esec = (unsigned int)((dt - edays*86400000.0 - ehours*3600000.0 - emin*60000.0)/1000.0), - ems = (unsigned int)(dt - edays*86400000.0 - ehours*3600000.0 - emin*60000.0 - esec*1000.0); - if (!edays && !ehours && !emin && !esec) - std::fprintf(cimg::output(),"%s[CImg]%*sElapsed time: %u ms%s\n", - cimg::t_red,1 + 2*pos,"",ems,cimg::t_normal); - else { - if (!edays && !ehours && !emin) - std::fprintf(cimg::output(),"%s[CImg]%*sElapsed time: %u sec %u ms%s\n", - cimg::t_red,1 + 2*pos,"",esec,ems,cimg::t_normal); - else { - if (!edays && !ehours) - std::fprintf(cimg::output(),"%s[CImg]%*sElapsed time: %u min %u sec %u ms%s\n", - cimg::t_red,1 + 2*pos,"",emin,esec,ems,cimg::t_normal); - else{ - if (!edays) - std::fprintf(cimg::output(),"%s[CImg]%*sElapsed time: %u hours %u min %u sec %u ms%s\n", - cimg::t_red,1 + 2*pos,"",ehours,emin,esec,ems,cimg::t_normal); - else{ - std::fprintf(cimg::output(),"%s[CImg]%*sElapsed time: %u days %u hours %u min %u sec %u ms%s\n", - cimg::t_red,1 + 2*pos,"",edays,ehours,emin,esec,ems,cimg::t_normal); - } - } - } - } - cimg::mutex(2,0); - return dt; - } - - // Return a temporary string describing the size of a memory buffer. - inline const char *strbuffersize(const unsigned long size) { - static CImg res(256); - cimg::mutex(5); - if (size<1024LU) cimg_snprintf(res,res._width,"%lu byte%s",size,size>1?"s":""); - else if (size<1024*1024LU) { const float nsize = size/1024.0f; cimg_snprintf(res,res._width,"%.1f Kio",nsize); } - else if (size<1024*1024*1024LU) { - const float nsize = size/(1024*1024.0f); cimg_snprintf(res,res._width,"%.1f Mio",nsize); - } else { const float nsize = size/(1024*1024*1024.0f); cimg_snprintf(res,res._width,"%.1f Gio",nsize); } - cimg::mutex(5,0); - return res; - } - - //! Display a simple dialog box, and wait for the user's response. - /** - \param title Title of the dialog window. - \param msg Main message displayed inside the dialog window. - \param button1_label Label of the 1st button. - \param button2_label Label of the 2nd button (\c 0 to hide button). - \param button3_label Label of the 3rd button (\c 0 to hide button). - \param button4_label Label of the 4th button (\c 0 to hide button). - \param button5_label Label of the 5th button (\c 0 to hide button). - \param button6_label Label of the 6th button (\c 0 to hide button). - \param logo Image logo displayed at the left of the main message. - \param is_centered Tells if the dialog window must be centered on the screen. - \return Indice of clicked button (from \c 0 to \c 5), or \c -1 if the dialog window has been closed by the user. - \note - - Up to 6 buttons can be defined in the dialog window. - - The function returns when a user clicked one of the button or closed the dialog window. - - If a button text is set to 0, the corresponding button (and the followings) will not appear in the dialog box. - At least one button must be specified. - **/ - template - inline int dialog(const char *const title, const char *const msg, - const char *const button1_label, const char *const button2_label, - const char *const button3_label, const char *const button4_label, - const char *const button5_label, const char *const button6_label, - const CImg& logo, const bool is_centered=false) { -#if cimg_display==0 - cimg::unused(title,msg,button1_label,button2_label,button3_label,button4_label,button5_label,button6_label, - logo._data,is_centered); - throw CImgIOException("cimg::dialog(): No display available."); -#else - static const unsigned char - black[] = { 0,0,0 }, white[] = { 255,255,255 }, gray[] = { 200,200,200 }, gray2[] = { 150,150,150 }; - - // Create buttons and canvas graphics - CImgList buttons, cbuttons, sbuttons; - if (button1_label) { CImg().draw_text(0,0,button1_label,black,gray,1,13).move_to(buttons); - if (button2_label) { CImg().draw_text(0,0,button2_label,black,gray,1,13).move_to(buttons); - if (button3_label) { CImg().draw_text(0,0,button3_label,black,gray,1,13).move_to(buttons); - if (button4_label) { CImg().draw_text(0,0,button4_label,black,gray,1,13).move_to(buttons); - if (button5_label) { CImg().draw_text(0,0,button5_label,black,gray,1,13).move_to(buttons); - if (button6_label) { CImg().draw_text(0,0,button6_label,black,gray,1,13).move_to(buttons); - }}}}}} - if (!buttons._width) - throw CImgArgumentException("cimg::dialog(): No buttons have been defined."); - cimglist_for(buttons,l) buttons[l].resize(-100,-100,1,3); - - unsigned int bw = 0, bh = 0; - cimglist_for(buttons,l) { bw = cimg::max(bw,buttons[l]._width); bh = cimg::max(bh,buttons[l]._height); } - bw+=8; bh+=8; - if (bw<64) bw = 64; - if (bw>128) bw = 128; - if (bh<24) bh = 24; - if (bh>48) bh = 48; - - CImg button(bw,bh,1,3); - button.draw_rectangle(0,0,bw - 1,bh - 1,gray); - button.draw_line(0,0,bw - 1,0,white).draw_line(0,bh - 1,0,0,white); - button.draw_line(bw - 1,0,bw - 1,bh - 1,black).draw_line(bw - 1,bh - 1,0,bh - 1,black); - button.draw_line(1,bh - 2,bw - 2,bh - 2,gray2).draw_line(bw - 2,bh - 2,bw - 2,1,gray2); - CImg sbutton(bw,bh,1,3); - sbutton.draw_rectangle(0,0,bw - 1,bh - 1,gray); - sbutton.draw_line(0,0,bw - 1,0,black).draw_line(bw - 1,0,bw - 1,bh - 1,black); - sbutton.draw_line(bw - 1,bh - 1,0,bh - 1,black).draw_line(0,bh - 1,0,0,black); - sbutton.draw_line(1,1,bw - 2,1,white).draw_line(1,bh - 2,1,1,white); - sbutton.draw_line(bw - 2,1,bw - 2,bh - 2,black).draw_line(bw - 2,bh - 2,1,bh - 2,black); - sbutton.draw_line(2,bh - 3,bw - 3,bh - 3,gray2).draw_line(bw - 3,bh - 3,bw - 3,2,gray2); - sbutton.draw_line(4,4,bw - 5,4,black,1,0xAAAAAAAA,true).draw_line(bw - 5,4,bw - 5,bh - 5,black,1,0xAAAAAAAA,false); - sbutton.draw_line(bw - 5,bh - 5,4,bh - 5,black,1,0xAAAAAAAA,false).draw_line(4,bh - 5,4,4,black,1,0xAAAAAAAA,false); - CImg cbutton(bw,bh,1,3); - cbutton.draw_rectangle(0,0,bw - 1,bh - 1,black).draw_rectangle(1,1,bw - 2,bh - 2,gray2). - draw_rectangle(2,2,bw - 3,bh - 3,gray); - cbutton.draw_line(4,4,bw - 5,4,black,1,0xAAAAAAAA,true).draw_line(bw - 5,4,bw - 5,bh - 5,black,1,0xAAAAAAAA,false); - cbutton.draw_line(bw - 5,bh - 5,4,bh - 5,black,1,0xAAAAAAAA,false).draw_line(4,bh - 5,4,4,black,1,0xAAAAAAAA,false); - - cimglist_for(buttons,ll) { - CImg(cbutton). - draw_image(1 + (bw -buttons[ll].width())/2,1 + (bh - buttons[ll].height())/2,buttons[ll]). - move_to(cbuttons); - CImg(sbutton). - draw_image((bw - buttons[ll].width())/2,(bh - buttons[ll].height())/2,buttons[ll]). - move_to(sbuttons); - CImg(button). - draw_image((bw - buttons[ll].width())/2,(bh - buttons[ll].height())/2,buttons[ll]). - move_to(buttons[ll]); - } - - CImg canvas; - if (msg) - ((CImg().draw_text(0,0,"%s",gray,0,1,13,msg)*=-1)+=200).resize(-100,-100,1,3).move_to(canvas); - - const unsigned int - bwall = (buttons._width - 1)*(12 + bw) + bw, - w = cimg::max(196U,36 + logo._width + canvas._width,24 + bwall), - h = cimg::max(96U,36 + canvas._height + bh,36 + logo._height + bh), - lx = 12 + (canvas._data?0:((w - 24 - logo._width)/2)), - ly = (h - 12 - bh - logo._height)/2, - tx = lx + logo._width + 12, - ty = (h - 12 - bh - canvas._height)/2, - bx = (w - bwall)/2, - by = h - 12 - bh; - - if (canvas._data) - canvas = CImg(w,h,1,3). - draw_rectangle(0,0,w - 1,h - 1,gray). - draw_line(0,0,w - 1,0,white).draw_line(0,h - 1,0,0,white). - draw_line(w - 1,0,w - 1,h - 1,black).draw_line(w - 1,h - 1,0,h - 1,black). - draw_image(tx,ty,canvas); - else - canvas = CImg(w,h,1,3). - draw_rectangle(0,0,w - 1,h - 1,gray). - draw_line(0,0,w - 1,0,white).draw_line(0,h - 1,0,0,white). - draw_line(w - 1,0,w - 1,h - 1,black).draw_line(w - 1,h - 1,0,h - 1,black); - if (logo._data) canvas.draw_image(lx,ly,logo); - - unsigned int xbuttons[6] = { 0 }; - cimglist_for(buttons,lll) { xbuttons[lll] = bx + (bw + 12)*lll; canvas.draw_image(xbuttons[lll],by,buttons[lll]); } - - // Open window and enter events loop - CImgDisplay disp(canvas,title?title:" ",0,false,is_centered?true:false); - if (is_centered) disp.move((CImgDisplay::screen_width() - disp.width())/2, - (CImgDisplay::screen_height() - disp.height())/2); - bool stop_flag = false, refresh = false; - int oselected = -1, oclicked = -1, selected = -1, clicked = -1; - while (!disp.is_closed() && !stop_flag) { - if (refresh) { - if (clicked>=0) - CImg(canvas).draw_image(xbuttons[clicked],by,cbuttons[clicked]).display(disp); - else { - if (selected>=0) - CImg(canvas).draw_image(xbuttons[selected],by,sbuttons[selected]).display(disp); - else canvas.display(disp); - } - refresh = false; - } - disp.wait(15); - if (disp.is_resized()) disp.resize(disp,false); - - if (disp.button()&1) { - oclicked = clicked; - clicked = -1; - cimglist_for(buttons,l) - if (disp.mouse_y()>=(int)by && disp.mouse_y()<(int)(by + bh) && - disp.mouse_x()>=(int)xbuttons[l] && disp.mouse_x()<(int)(xbuttons[l] + bw)) { - clicked = selected = l; - refresh = true; - } - if (clicked!=oclicked) refresh = true; - } else if (clicked>=0) stop_flag = true; - - if (disp.key()) { - oselected = selected; - switch (disp.key()) { - case cimg::keyESC : selected = -1; stop_flag = true; break; - case cimg::keyENTER : if (selected<0) selected = 0; stop_flag = true; break; - case cimg::keyTAB : - case cimg::keyARROWRIGHT : - case cimg::keyARROWDOWN : selected = (selected + 1)%buttons.width(); break; - case cimg::keyARROWLEFT : - case cimg::keyARROWUP : selected = (selected + buttons.width() - 1)%buttons.width(); break; - } - disp.set_key(); - if (selected!=oselected) refresh = true; - } - } - if (!disp) selected = -1; - return selected; -#endif - } - - //! Display a simple dialog box, and wait for the user's response \specialization. - inline int dialog(const char *const title, const char *const msg, - const char *const button1_label, const char *const button2_label, const char *const button3_label, - const char *const button4_label, const char *const button5_label, const char *const button6_label, - const bool is_centered) { - return dialog(title,msg,button1_label,button2_label,button3_label,button4_label,button5_label,button6_label, - CImg::_logo40x38(),is_centered); - } - - //! Evaluate math expression. - /** - \param expression C-string describing the formula to evaluate. - \param x Value of the pre-defined variable \c x. - \param y Value of the pre-defined variable \c y. - \param z Value of the pre-defined variable \c z. - \param c Value of the pre-defined variable \c c. - \return Result of the formula evaluation. - \note Set \c expression to \c 0 to keep evaluating the last specified \c expression. - \par Example - \code - const double - res1 = cimg::eval("cos(x)^2 + sin(y)^2",2,2), // will return '1'. - res2 = cimg::eval(0,1,1); // will return '1' too. - \endcode - **/ - inline double eval(const char *const expression, const double x, const double y, const double z, const double c) { - static const CImg empty; - return empty.eval(expression,x,y,z,c); - } - - template - inline CImg::type> eval(const char *const expression, const CImg& xyzc) { - static const CImg empty; - return empty.eval(expression,xyzc); - } - - // End of cimg:: namespace -} - - // End of cimg_library:: namespace -} - -//! Short alias name. -namespace cil = cimg_library_suffixed; - -#ifdef _cimg_redefine_False -#define False 0 -#endif -#ifdef _cimg_redefine_True -#define True 1 -#endif -#ifdef _cimg_redefine_None -#define None 0 -#endif -#ifdef _cimg_redefine_min -#define min(a,b) (((a)<(b))?(a):(b)) -#endif -#ifdef _cimg_redefine_max -#define max(a,b) (((a)>(b))?(a):(b)) -#endif -#ifdef _cimg_redefine_PI -#define PI 3.141592653589793238462643383 -#endif -#ifdef _MSC_VER -#pragma warning(pop) -#endif - -#endif -// Local Variables: -// mode: c++ -// End: diff --git a/stim/image/image.h b/stim/image/image.h index b92a011..074114e 100644 --- a/stim/image/image.h +++ b/stim/image/image.h @@ -1,101 +1,156 @@ #ifndef STIM_IMAGE_H #define STIM_IMAGE_H -#ifdef JPEG_FOUND - #define cimg_use_jpeg //necessary for JPG files -#endif -#include "CImg.h" +#include +#include #include #include namespace stim{ -//This static class provides the STIM interface for loading images -// Use this interface for all image management - that way the actual library can be changed without problems +/// This static class provides the STIM interface for loading, saving, and storing 2D images. +/// Data is stored in an interleaved (BIP) format (default for saving and loading is RGB). //currently this interface uses CImg // T = data type (usually unsigned char) template class image{ - cimg_library::CImg img; + //cimg_library::CImg img; + T* img; //pointer to the image data (assumes RGB for loading/saving) + size_t R[3]; + + size_t X(){ return R[1]; } + size_t Y(){ return R[2]; } + size_t C(){ return R[0]; } + + void init(){ //initializes all variables, assumes no memory is allocated + memset(R, 0, sizeof(size_t) * 3); //set the resolution and number of channels to zero + img = NULL; + } + + void unalloc(){ //frees any resources associated with the image + if(img) free(img); //if memory has been allocated, free it + } + + + void clear(){ //clears all image data + unalloc(); //unallocate previous memory + init(); //re-initialize the variables + } + + void allocate(){ + img = (T*) malloc( sizeof(T) * R[0] * R[1] * R[2] ); //allocate memory + } + + void allocate(size_t x, size_t y, size_t c){ //allocate memory based on the resolution + R[0] = c; R[1] = x; R[2] = y; //set the resolution + allocate(); //allocate memory + } + + size_t bytes(){ return size() * sizeof(T); } + + size_t idx(size_t x, size_t y, size_t c = 0){ + return y * C() * X() + x * C() + c; + } + + + int cv_type(){ + if(std::is_same::value) return CV_MAKETYPE(CV_8U, (int)C()); + if(std::is_same::value) return CV_MAKETYPE(CV_8S, (int)C()); + if(std::is_same::value) return CV_MAKETYPE(CV_16U, (int)C()); + if(std::is_same::value) return CV_MAKETYPE(CV_16S, (int)C()); + if(std::is_same::value) return CV_MAKETYPE(CV_32S, (int)C()); + if(std::is_same::value) return CV_MAKETYPE(CV_32F, (int)C()); + if(std::is_same::value) return CV_MAKETYPE(CV_64F, (int)C()); + + std::cout<<"ERROR in stim::image::cv_type - no valid data type found"<(x, y, z); - }*/ + /// Create a new image from scratch given a number of samples and channels + image(size_t x, size_t y = 1, size_t c = 1){ + img = (T*) malloc( sizeof(T) * x * y * c ); + } - image(size_t x, size_t y = 1, size_t z = 1, size_t c = 1){ - img = cimg_library::CImg(x, y, z, c); + image(T* data, size_t x, size_t y, size_t c = 1){ + allocate(x, y, c); + memcpy(img, data, bytes()); } - //Load an image from a file + /// Load an image from a file void load(std::string filename){ - img.load(filename.c_str()); + + cv::Mat cvImage = cv::imread(filename, CV_LOAD_IMAGE_UNCHANGED); //use OpenCV to open the image file + allocate(cvImage.cols, cvImage.rows, cvImage.channels()); //allocate space for the image + T* cv_ptr = (T*)cvImage.data; + set_interleaved_bgr(cv_ptr, X(), Y()); } //save a file void save(std::string filename){ - img.save(filename.c_str()); + //OpenCV uses an interleaved format, so convert first and then output + T* buffer = (T*) malloc(bytes()); + data_interleaved_bgr(buffer); + cv::Mat cvImage((int)Y(), (int)X(), cv_type(), buffer); + cv::imwrite(filename, cvImage); } //create an image from an interleaved buffer - void set_interleaved(T* buffer, size_t width, size_t height, size_t channels = 1){ - - T* non_interleaved = (T*)malloc(width * height * 3 * sizeof(T)); - size_t S = width * height; + void set_interleaved_rgb(T* buffer, size_t width, size_t height){ + allocate(width, height, 3); + memcpy(img, buffer, bytes()); + } - for(size_t i = 0; i < S; i++){ - for(size_t c = 0; c < channels; c++){ - non_interleaved[i + c * S] = buffer[i * channels + c]; + void set_interleaved_bgr(T* buffer, size_t width, size_t height){ + allocate(width, height, 3); + for(size_t c = 0; c < C(); c++){ //copy directly + for(size_t y = 0; y < Y(); y++){ + for(size_t x = 0; x < X(); x++){ + img[idx(x, y, c)] = buffer[y * X() * C() + x * C() + (2-c)]; + } } } - - img = cimg_library::CImg(non_interleaved, width, height, 1, channels); - } - - //fills an allocated region of memory with non-interleaved data - void data_noninterleaved(T* data){ - memcpy(data, img.data(), sizeof(T) * size()); } - void data_interleaved(T* data){ - - size_t C = channels(); - size_t X = width() * height(); - - T* ptr = img.data(); + void data_interleaved_bgr(T* data){ //for each channel - for(size_t c = 0; c < C; c++) - //convert each pixel - for(size_t x = 0; x < X; x++) - data[x * C + c] = ptr[c * X + x]; + for(size_t y = 0; y < Y(); y++){ + for(size_t x = 0; x < X(); x++){ + for(size_t c = 0; c < C(); c++){ + data[y * X() * C() + x * C() + (2-c)] = img[idx(x, y, c)]; + } + } + } } image channel(size_t c){ //create a new image - image single; + image r(R[0], R[1], 1); - single.img = img.get_channel(c); + for(size_t x = 0; x < X(); x++){ + for(size_t y = 0; y < Y(); y++){ + r.img[r.idx(x, y, c)] = img[idx(x, y, c)]; + } + } - return single; + return r; } - T& operator()(size_t x, size_t y, size_t z = 0, size_t c = 0){ - return img(x, y, z, c); + T& operator()(size_t x, size_t y, size_t c = 0){ + return img[idx(x, y, c)]; } /// Set all elements in the image to a given scalar value @@ -103,10 +158,10 @@ public: /// @param v is the value used to set all values in the image image operator=(T v){ - size_t X = width() * height() * depth() * channels(); + size_t N = size(); - for(size_t x = 0; x < X; x++) - img.data()[x] = v; + for(size_t n = 0; n < N; n++) + img[n] = v; return *this; @@ -117,99 +172,64 @@ public: /// @param c is the channel number that the data will be copied to /// @param buffer is a pointer to the image to be copied to channel c - void set_channel(size_t c, T* buffer){ - - //calculate the number of pixels in a channel - size_t channel_size = width() * height(); - - //retreive a pointer to the raw image data - T* ptr = img.data() + channel_size * c; - - //copy the buffer to the specified channel - memcpy(ptr, buffer, sizeof(T) * channel_size); - } - - image getslice(size_t c){ - - //create a new image - image slice; - - slice.img = img.get_slice(c); - - return slice; + void set_channel(T* buffer, size_t c){ + size_t x, y; + for(y = 0; y < Y(); y++){ + for(x = 0; x < X(); x++){ + img[idx(x, y, c)] = buffer[c]; + } + } } size_t channels(){ - return (size_t)img.spectrum(); + return C(); } size_t width(){ - return img.width(); + return X(); } size_t height(){ - return img.height(); - } - - size_t depth(){ - return img.depth(); + return Y(); } T* data(){ - - return img.data(); + return img; } //returns the size (number of values) of the image - size_t size(){ - return img.size(); - } + size_t size(){ return C() * X() * Y(); } /// Returns the number of nonzero values size_t nnz(){ - size_t P = width() * height(); - size_t C = channels(); - - T* ptr = img.data(); - - size_t n = 0; + size_t N = X() * Y() * C(); - for(size_t p = 0; p < P; p++){ - for(size_t c = 0; c < C; c++){ - - if(ptr[c * P + p] > 0){ - n++; - break; - } - } - } + size_t nz = 0; + for(size_t n = 0; n < N; n++) + if(img[n] != 0) nz++; - return n; //return the number of nonzero pixels + return nz; //return the number of nonzero pixels } //this function returns indices of pixels that have nonzero values std::vector sparse_idx(){ - std::vector s; //allocate an array + std::vector s; //allocate an array s.resize(nnz()); //allocate space in the array - size_t P = width() * height(); - size_t C = channels(); + size_t N = size(); + //size_t C = channels(); - T* ptr = img.data(); //get a pointer to the image data + //T* ptr = img.data(); //get a pointer to the image data size_t i = 0; - for(size_t p = 0; p < P; p++){ - for(size_t c = 0; c < C; c++){ - - if(ptr[c * P + p] > 0){ - s[i] = p; - i++; - break; - } + for(size_t n = 0; n < N; n++){ + if(img[n] != 0){ + s[i] = n; + i++; } } @@ -219,85 +239,55 @@ public: /// Returns the maximum pixel value in the image T maxv(){ - float max = 0; - size_t N = width() * height(); //get the number of pixels + T max_val = img[0]; //initialize the maximum value to the first one + size_t N = size(); //get the number of pixels - for (size_t i=0; i max) - { - max = img.data()[i]; + if (img[n] > max_val){ //if the value is higher than the current max + max_val = img[n]; } } return max; } - /// Returns the minimum pixel value in the image + /// Returns the maximum pixel value in the image T minv(){ - float min = 0; - size_t N = width() * height(); //get the number of pixels + T min_val = img[0]; //initialize the maximum value to the first one + size_t N = size(); //get the number of pixels - for (size_t i=0; i srgb2lab(){ - - image rgb; - rgb.img = img.get_sRGBtoRGB(); - - image lab; - lab.img = rgb.img.get_RGBtoLab(); - - return lab; - + std::cout<<"ERROR stim::image::srgb2lab - function has been broken, re-implement."< convolve2(image mask){ - image result; - - result.img = img.get_convolve(mask.img); - - return result; + std::cout<<"ERROR stim::image::convolve2 - function has been broken, and shouldn't really be in here."< rotate(float angle, float cx, float cy){ - - image result; - float zoom = 1; - size_t interpolation = 1; - size_t boundary = 1; - result.img = img.get_rotate (angle, cx, cy, zoom, interpolation, boundary); - //result.save("data_output/test_rotate_neum.bmp"); - - return result; + std::cout<<"ERROR stim::image::rotate - function has been broken, and shouldn't really be in here."<(non_interleaved3, width, height, depth, channels); + std::cout<<"ERROR stim::image::set_interleaved3 - stim::image no longer supports 3D images."< } /// Create a vector with a set dimension d - vec(int d) + vec(size_t d) { resize(d,0); } @@ -69,9 +69,9 @@ struct vec : public std::vector //copy constructor vec( const vec& other){ - unsigned int N = other.size(); + size_t N = other.size(); resize(N); //resize the current vector to match the copy - for(unsigned int i=0; i /// Casting operator. Creates a new vector with a new type U. template< typename U > operator vec(){ - unsigned int N = size(); + size_t N = size(); vec result; for(int i=0; i /// computes the Euclidean length of the vector T len() const { - unsigned int N = size(); + size_t N = size(); //compute and return the vector length T sum_sq = (T)0; - for(unsigned int i=0; i /// Computes the normalized vector (where each coordinate is divided by the L2 norm) vec norm() const { - unsigned int N = size(); + size_t N = size(); //compute and return the unit vector vec result; @@ -173,7 +173,7 @@ struct vec : public std::vector T l = len(); //normalize - for(int i=0; i T dot(vec rhs) const { T result = (T)0; - unsigned int N = size(); + size_t N = size(); for(int i=0; i /// @param rhs is the right-hand-side operator for the addition vec operator+(vec rhs) const { - unsigned int N = size(); + size_t N = size(); vec result(N); for(int i=0; i /// @param rhs is the right-hand-side operator for the addition vec operator+(T rhs) const { - unsigned int N = size(); + size_t N = size(); vec result(N); for(int i=0; i /// @param rhs is the right-hand-side operator for the subtraction vec operator-(vec rhs) const { - unsigned int N = size(); + size_t N = size(); vec result(N); - for(unsigned int i=0; i /// @param rhs is the right-hand-side operator for the addition vec operator-(T rhs) const { - unsigned int N = size(); + size_t N = size(); vec result(N); - for(int i=0; i /// @param rhs is the right-hand-side operator for the subtraction vec operator*(T rhs) const { - unsigned int N = size(); + size_t N = size(); vec result(N); - for(int i=0; i /// @param rhs is the right-hand-side operator for the subtraction vec operator/(T rhs) const { - unsigned int N = size(); + size_t N = size(); vec result(N); - for(int i=0; i /// Multiplication by a scalar, followed by assignment vec operator*=(T rhs){ - unsigned int N = size(); - for(int i=0; i operator+=(vec rhs){ - unsigned int N = size(); - for(int i=0; i /// Assign a scalar to all values vec & operator=(T rhs){ - unsigned int N = size(); - for(int i=0; i /// Casting and assignment template vec & operator=(vec rhs){ - unsigned int N = rhs.size(); + size_t N = rhs.size(); resize(N); - for(int i=0; i /// Unary minus (returns the negative of the vector) vec operator-() const{ - unsigned int N = size(); + size_t N = size(); vec r(N); //negate the vector - for(int i=0; i { std::stringstream ss; - unsigned int N = size(); + size_t N = size(); ss<<"["; - for(unsigned int i=0; i image(non_interleaved, x_size, y_size, 1, 3); //image.save(filename.c_str()); image I; - I.set_interleaved(buffer, width, height, 3); + I.set_interleaved_rgb(buffer, width, height); I.save(filename); } -- libgit2 0.21.4