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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QOPENGLWINDOW_H
#define QOPENGLWINDOW_H
#include <QtOpenGL/qtopenglglobal.h>
#ifndef QT_NO_OPENGL
#include <QtGui/QPaintDeviceWindow>
#include <QtGui/QOpenGLContext>
#include <QtGui/QImage>
QT_BEGIN_NAMESPACE
class QOpenGLWindowPrivate;
class Q_OPENGL_EXPORT QOpenGLWindow : public QPaintDeviceWindow
{
Q_OBJECT
Q_DECLARE_PRIVATE(QOpenGLWindow)
public:
enum UpdateBehavior {
NoPartialUpdate,
PartialUpdateBlit,
PartialUpdateBlend
};
explicit QOpenGLWindow(UpdateBehavior updateBehavior = NoPartialUpdate, QWindow *parent = nullptr);
explicit QOpenGLWindow(QOpenGLContext *shareContext, UpdateBehavior updateBehavior = NoPartialUpdate, QWindow *parent = nullptr);
~QOpenGLWindow();
UpdateBehavior updateBehavior() const;
bool isValid() const;
void makeCurrent();
void doneCurrent();
QOpenGLContext *context() const;
QOpenGLContext *shareContext() const;
GLuint defaultFramebufferObject() const;
QImage grabFramebuffer();
Q_SIGNALS:
void frameSwapped();
protected:
virtual void initializeGL();
virtual void resizeGL(int w, int h);
virtual void paintGL();
virtual void paintUnderGL();
virtual void paintOverGL();
void paintEvent(QPaintEvent *event) override;
void resizeEvent(QResizeEvent *event) override;
int metric(PaintDeviceMetric metric) const override;
QPaintDevice *redirected(QPoint *) const override;
private:
Q_DISABLE_COPY(QOpenGLWindow)
};
QT_END_NAMESPACE
#endif // QT_NO_OPENGL
#endif
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