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50
51#ifndef GLWIDGET_H
52#define GLWIDGET_H
53
54#include <QOpenGLWidget>
55#include <QOpenGLFunctions>
56#include <QOpenGLBuffer>
57
58QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram);
59QT_FORWARD_DECLARE_CLASS(QOpenGLTexture)
60
61class GLWidget : public QOpenGLWidget, protected QOpenGLFunctions
62{
63 Q_OBJECT
64
65public:
66 using QOpenGLWidget::QOpenGLWidget;
67 ~GLWidget();
68
69 QSize minimumSizeHint() const override;
70 QSize sizeHint() const override;
71 void rotateBy(int xAngle, int yAngle, int zAngle);
72 void setClearColor(const QColor &color);
73
74signals:
75 void clicked();
76
77protected:
78 void initializeGL() override;
79 void paintGL() override;
80 void resizeGL(int width, int height) override;
81 void mousePressEvent(QMouseEvent *event) override;
82 void mouseMoveEvent(QMouseEvent *event) override;
83 void mouseReleaseEvent(QMouseEvent *event) override;
84
85private:
86 void makeObject();
87
88 QColor clearColor = Qt::black;
89 QPoint lastPos;
90 int xRot = 0;
91 int yRot = 0;
92 int zRot = 0;
93 QOpenGLTexture *textures[6] = {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr};
94 QOpenGLShaderProgram *program = nullptr;
95 QOpenGLBuffer vbo;
96};
97
98#endif
99

source code of qtbase/examples/opengl/textures/glwidget.h