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50
51#ifndef GLWIDGET_H
52#define GLWIDGET_H
53
54#include <QOpenGLWindow>
55#include <QOpenGLTexture>
56#include <QMatrix4x4>
57#include <QVector3D>
58#include <QKeyEvent>
59#include <QPropertyAnimation>
60#include <QSequentialAnimationGroup>
61#include <QRectF>
62
63QT_BEGIN_NAMESPACE
64
65class QOpenGLTexture;
66class QOpenGLShaderProgram;
67class QOpenGLBuffer;
68class QOpenGLVertexArrayObject;
69
70QT_END_NAMESPACE
71
72class GLWindow : public QOpenGLWindow
73{
74 Q_OBJECT
75 Q_PROPERTY(float blurRadius READ blurRadius WRITE setBlurRadius)
76
77public:
78 GLWindow();
79 ~GLWindow();
80
81 void initializeGL() override;
82 void resizeGL(int w, int h) override;
83 void paintGL() override;
84
85 float blurRadius() const { return m_blurRadius; }
86 void setBlurRadius(float blurRadius);
87
88protected:
89 void keyPressEvent(QKeyEvent *e) override;
90 void setAnimating(bool animate);
91
92private:
93 QPropertyAnimation *m_animationForward = nullptr;
94 QPropertyAnimation *m_animationBackward = nullptr;
95 QSequentialAnimationGroup *m_animationGroup;
96 QOpenGLTexture *m_texImageInput = nullptr;
97 QOpenGLTexture *m_texImageTmp = nullptr;
98 QOpenGLTexture *m_texImageProcessed = nullptr;
99 QOpenGLShaderProgram *m_shaderDisplay = nullptr;
100 QOpenGLShaderProgram *m_shaderComputeV = nullptr;
101 QOpenGLShaderProgram *m_shaderComputeH = nullptr;
102 QMatrix4x4 m_proj;
103 QSizeF m_quadSize;
104
105 int m_blurRadius = 0;
106 bool m_animate = true;
107 QOpenGLVertexArrayObject *m_vao = nullptr;
108};
109
110#endif
111