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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef GLWIDGET_H
#define GLWIDGET_H
#include <QOpenGLWindow>
#include <QOpenGLTexture>
#include <QMatrix4x4>
#include <QVector3D>
#include <QKeyEvent>
#include <QPropertyAnimation>
#include <QSequentialAnimationGroup>
#include <QRectF>
QT_BEGIN_NAMESPACE
class QOpenGLTexture;
class QOpenGLShaderProgram;
class QOpenGLBuffer;
class QOpenGLVertexArrayObject;
QT_END_NAMESPACE
class GLWindow : public QOpenGLWindow
{
Q_OBJECT
Q_PROPERTY(float blurRadius READ blurRadius WRITE setBlurRadius)
public:
GLWindow();
~GLWindow();
void initializeGL() override;
void resizeGL(int w, int h) override;
void paintGL() override;
float blurRadius() const { return m_blurRadius; }
void setBlurRadius(float blurRadius);
protected:
void keyPressEvent(QKeyEvent *e) override;
void setAnimating(bool animate);
private:
QPropertyAnimation *m_animationForward = nullptr;
QPropertyAnimation *m_animationBackward = nullptr;
QSequentialAnimationGroup *m_animationGroup;
QOpenGLTexture *m_texImageInput = nullptr;
QOpenGLTexture *m_texImageTmp = nullptr;
QOpenGLTexture *m_texImageProcessed = nullptr;
QOpenGLShaderProgram *m_shaderDisplay = nullptr;
QOpenGLShaderProgram *m_shaderComputeV = nullptr;
QOpenGLShaderProgram *m_shaderComputeH = nullptr;
QMatrix4x4 m_proj;
QSizeF m_quadSize;
int m_blurRadius = 0;
bool m_animate = true;
QOpenGLVertexArrayObject *m_vao = nullptr;
};
#endif
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