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#ifndef MYOPENGLWINDOW_H
#define MYOPENGLWINDOW_H
#include <QOpenGLWidget>
#include <QOpenGLFunctions>
#include <gl/GL.h>
class myOpenglWindow : public QOpenGLWidget, protected QOpenGLFunctions
{
Q_OBJECT
public:
explicit myOpenglWindow(QWidget *parent = nullptr);
protected:
void initializeGL();
void resizeGL(int w, int h);
void paintGL();
signals:
public slots:
};
#endif // MYOPENGLWINDOW_H
#include "myopenglwindow.h"
#include <iostream>
#include "glut.h"
using namespace std;
myOpenglWindow::myOpenglWindow(QWidget *parent) : QOpenGLWidget(parent)
{
}
void myOpenglWindow::initializeGL()
{
initializeOpenGLFunctions();
glClearColor(1.0, 1.0, 1.0,1.0);
cout<<glGetString(GL_VERSION)<<endl;
}
void myOpenglWindow::resizeGL(int w, int h)
{
glViewport(0, 0, (GLsizei)w, (GLsizei)h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(-1.5,1.5,-1.5,1.5);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void myOpenglWindow::paintGL()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPointSize(10.0);
glColor3d(1.0,0.0,0.0);
glBegin(GL_POINTS);
glVertex3d(0.0, 0.0, 0.0);
glEnd();
}