qrasterbackingstore_p.h

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// Copyright (C) 2020 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 QRASTERBACKINGSTORE_P_H
#define QRASTERBACKINGSTORE_P_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <qpa/qplatformbackingstore.h>
#include <private/qglobal_p.h>
 
 
QT_BEGIN_NAMESPACE
 
class Q_GUI_EXPORT QRasterBackingStore : public QPlatformBackingStore
{
public:
    QRasterBackingStore(QWindow *window);
    ~QRasterBackingStore();
 
    void resize(const QSize &size, const QRegion &staticContents) override;
    bool scroll(const QRegion &area, int dx, int dy) override;
    void beginPaint(const QRegion &region) override;
 
    QPaintDevice *paintDevice() override;
    QImage toImage() const override;
 
protected:
    virtual QImage::Format format() const;
 
    QImage m_image;
    QSize m_requestedSize;
};
 
QT_END_NAMESPACE
 
#endif // QRASTERBACKINGSTORE_P_H