qtSpectrumDisplay.cpp
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#include <QtGui>
#include <QtOpenGL/QtOpenGL>
#include <GL/glu.h>
#include <math.h>
#include "qtSpectrumDisplay.h"
qtSpectrumDisplay::qtSpectrumDisplay(QWidget *parent)
: QGLWidget(parent)
{
object = 0;
xRot = 0;
yRot = 0;
zRot = 0;
qtGreen = QColor::fromCmykF(0.40, 0.0, 1.0, 0.0);
qtPurple = QColor::fromCmykF(0.39, 0.39, 0.0, 0.0);
}
qtSpectrumDisplay::~qtSpectrumDisplay()
{
makeCurrent();
glDeleteLists(object, 1);
}
QSize qtSpectrumDisplay::minimumSizeHint() const
{
return QSize(50, 50);
}
QSize qtSpectrumDisplay::sizeHint() const
{
return QSize(400, 400);
}
/*void qtSpectrumDisplay::setXRotation(int angle)
{
normalizeAngle(&angle);
if (angle != xRot) {
xRot = angle;
emit xRotationChanged(angle);
updateGL();
}
}
void qtSpectrumDisplay::setYRotation(int angle)
{
normalizeAngle(&angle);
if (angle != yRot) {
yRot = angle;
emit yRotationChanged(angle);
updateGL();
}
}
void qtSpectrumDisplay::setZRotation(int angle)
{
normalizeAngle(&angle);
if (angle != zRot) {
zRot = angle;
emit zRotationChanged(angle);
updateGL();
}
}*/
void qtSpectrumDisplay::initializeGL()
{
qglClearColor(qtPurple.dark());
//object = makeObject();
glShadeModel(GL_FLAT);
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
}
void qtSpectrumDisplay::printWavenumber(int xPos)
{
int viewParams[4];
glGetIntegerv(GL_VIEWPORT, viewParams);
float a = (float)xPos/(float)viewParams[2];
int wn = a * (nuMax - nuMin) + nuMin;
cout<<wn<<endl;
}
void qtSpectrumDisplay::paintGL()
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
//glOrtho(-0.5, +0.5, +0.5, -0.5, 4.0, 15.0);
gluOrtho2D(nuMin, nuMax, aMin, aMax);
glMatrixMode(GL_MODELVIEW);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
/*glTranslated(0.0, 0.0, -10.0);
glRotated(xRot / 16.0, 1.0, 0.0, 0.0);
glRotated(yRot / 16.0, 0.0, 1.0, 0.0);
glRotated(zRot / 16.0, 0.0, 0.0, 1.0);*/
glLineWidth(2);
if(dispSimSpec)
{
glColor3f(1.0, 1.0, 1.0);
glBegin(GL_LINE_STRIP);
for(unsigned int i=0; i<SimSpectrum.size(); i++)
glVertex2f(SimSpectrum[i].nu, SimSpectrum[i].A);
glEnd();
}
if(dispRefSpec && RefSpectrum.size() > 0)
{
glColor3f(0.5, 0.5, 0.5);
glBegin(GL_LINE_STRIP);
float nu;
for(unsigned int i=0; i<RefSpectrum[currentSpec].size(); i++)
{
nu = RefSpectrum[currentSpec][i].nu;
glVertex2f(nu, RefSpectrum[currentSpec][i].A + nu * refSlope);
}
glEnd();
}
int nSamples = MaterialList[currentMaterial].eta.size();
float nu;
//display absorbance
if(dispMatK)
{
glColor3f(1.0, 0.0, 0.0);
glBegin(GL_LINE_STRIP);
for(int i=0; i<nSamples; i++){
nu = MaterialList[currentMaterial].nu[i];
glVertex2f(nu, MaterialList[currentMaterial].eta[i].imag() * dispScaleK);
}
glEnd();
}
if(dispSimK)
{
glColor3f(1.0, 1.0, 0.0);
glBegin(GL_LINE_STRIP);
for(unsigned int i=0; i<EtaK.size(); i++){
glVertex2f(EtaK[i].nu, EtaK[i].A * dispScaleK);
}
glEnd();
}
//display refractive index (real)
if(dispMatN)
{
glColor3f(0.0, 1.0, 0.0);
glBegin(GL_LINE_STRIP);
for(int i=0; i<nSamples; i++){
nu = MaterialList[currentMaterial].nu[i];
glVertex2f(nu, (MaterialList[currentMaterial].eta[i].real() - baseIR) * dispScaleN);
}
glEnd();
}
if(dispSimN)
{
glColor3f(0.0, 1.0, 1.0);
glBegin(GL_LINE_STRIP);
for(unsigned int i=0; i<EtaN.size(); i++)
glVertex2f(EtaN[i].nu, (EtaN[i].A - baseIR) * dispScaleN);
glEnd();
}
glCallList(object);
}
void qtSpectrumDisplay::resizeGL(int width, int height)
{
int side = qMin(width, height);
//glViewport((width - side) / 2, (height - side) / 2, side, side);
glViewport(0, 0, width, height);
/*glMatrixMode(GL_PROJECTION);
glLoadIdentity();
//glOrtho(-0.5, +0.5, +0.5, -0.5, 4.0, 15.0);
gluOrtho2D(nuMin, nuMax, aMin, aMax);
glMatrixMode(GL_MODELVIEW);*/
}
void qtSpectrumDisplay::mousePressEvent(QMouseEvent *event)
{
lastPos = event->pos();
if(event->buttons() & Qt::LeftButton)
{
int wn = 0;
printWavenumber(event->x());
}
}
void qtSpectrumDisplay::mouseMoveEvent(QMouseEvent *event)
{
int dx = event->x() - lastPos.x();
int dy = event->y() - lastPos.y();
/*
if (event->buttons() & Qt::LeftButton) {
setXRotation(xRot + 8 * dy);
setYRotation(yRot + 8 * dx);
} else if (event->buttons() & Qt::RightButton) {
setXRotation(xRot + 8 * dy);
setZRotation(zRot + 8 * dx);
}*/
lastPos = event->pos();
}
/*GLuint qtSpectrumDisplay::makeObject()
{
GLuint list = glGenLists(1);
glNewList(list, GL_COMPILE);
glBegin(GL_QUADS);
GLdouble x1 = +0.06;
GLdouble y1 = -0.14;
GLdouble x2 = +0.14;
GLdouble y2 = -0.06;
GLdouble x3 = +0.08;
GLdouble y3 = +0.00;
GLdouble x4 = +0.30;
GLdouble y4 = +0.22;
quad(x1, y1, x2, y2, y2, x2, y1, x1);
quad(x3, y3, x4, y4, y4, x4, y3, x3);
extrude(x1, y1, x2, y2);
extrude(x2, y2, y2, x2);
extrude(y2, x2, y1, x1);
extrude(y1, x1, x1, y1);
extrude(x3, y3, x4, y4);
extrude(x4, y4, y4, x4);
extrude(y4, x4, y3, x3);
const double Pi = 3.14159265358979323846;
const int NumSectors = 200;
for (int i = 0; i < NumSectors; ++i) {
double angle1 = (i * 2 * Pi) / NumSectors;
GLdouble x5 = 0.30 * sin(angle1);
GLdouble y5 = 0.30 * cos(angle1);
GLdouble x6 = 0.20 * sin(angle1);
GLdouble y6 = 0.20 * cos(angle1);
double angle2 = ((i + 1) * 2 * Pi) / NumSectors;
GLdouble x7 = 0.20 * sin(angle2);
GLdouble y7 = 0.20 * cos(angle2);
GLdouble x8 = 0.30 * sin(angle2);
GLdouble y8 = 0.30 * cos(angle2);
quad(x5, y5, x6, y6, x7, y7, x8, y8);
extrude(x6, y6, x7, y7);
extrude(x8, y8, x5, y5);
}
glEnd();
glEndList();
return list;
}*/
void qtSpectrumDisplay::quad(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2,
GLdouble x3, GLdouble y3, GLdouble x4, GLdouble y4)
{
qglColor(qtGreen);
glVertex3d(x1, y1, -0.05);
glVertex3d(x2, y2, -0.05);
glVertex3d(x3, y3, -0.05);
glVertex3d(x4, y4, -0.05);
glVertex3d(x4, y4, +0.05);
glVertex3d(x3, y3, +0.05);
glVertex3d(x2, y2, +0.05);
glVertex3d(x1, y1, +0.05);
}
/*void qtSpectrumDisplay::extrude(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2)
{
qglColor(qtGreen.dark(250 + int(100 * x1)));
glVertex3d(x1, y1, +0.05);
glVertex3d(x2, y2, +0.05);
glVertex3d(x2, y2, -0.05);
glVertex3d(x1, y1, -0.05);
}*/
void qtSpectrumDisplay::normalizeAngle(int *angle)
{
while (*angle < 0)
*angle += 360 * 16;
while (*angle > 360 * 16)
*angle -= 360 * 16;
}