qt5base-lts/tests/manual/qopenglcontext/qopenglcontextwindow.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef QOPENGLCONTEXTWINDOW_H
#define QOPENGLCONTEXTWINDOW_H
#include <QtGui/QWindow>
#include <QtGui/QOpenGLContext>
#include <QtOpenGL/QOpenGLTextureBlitter>
#include <QtGui/QImage>
#include <QtCore/QVariant>
class QOpenGLContextWindow : public QWindow
{
Q_OBJECT
public:
QOpenGLContextWindow();
~QOpenGLContextWindow();
void render();
protected:
void exposeEvent(QExposeEvent *event);
private:
qreal dWidth() const { return width() * devicePixelRatio(); }
qreal dHeight() const { return height() * devicePixelRatio(); }
void createForeignContext();
QOpenGLContext *m_context;
QImage m_image;
QVariant m_nativeHandle;
uint m_textureId;
QOpenGLTextureBlitter *m_blitter;
};
#endif