image.h
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#ifndef STIM_IMAGE_H
#define STIM_IMAGE_H
#include "CImg.h"
#include <iostream>
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
//currently this interface uses CImg
// T = data type (usually unsigned char)
template <class T>
class image{
cimg_library::CImg<T> img;
public:
//default constructor
image(){
}
//constructor (load an image file)
image(std::string filename){
img.load(filename.c_str());
}
//Load an image from a file
void load(std::string filename){
img.load(filename.c_str());
}
//save a file
void save(std::string filename){
img.save(filename.c_str());
}
//create an image from an interlaced buffer
void set_interleaved(T* buffer, unsigned int width, unsigned int height, unsigned int channels = 1){
unsigned char* non_interleaved = (unsigned char*)malloc(width * height * 3);
unsigned int S = width * height;
for(unsigned int i = 0; i < S; i++){
for(unsigned int c = 0; c < channels; c++){
non_interleaved[i + c * S] = buffer[i * channels + c];
}
}
img = cimg_library::CImg<unsigned char>(non_interleaved, width, height, 1, channels);
}
//returns a pointer to the first pixel of the image data
T* data(){
return img.data();
}
//returns the size (number of values) of the image
unsigned long size(){
return img.size();
}
};
}; //end namespace stim
#endif