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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
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**
****************************************************************************/
#ifndef QBACKINGSTORE_H
#define QBACKINGSTORE_H
#include <QtGui/qtguiglobal.h>
#include <QtCore/qrect.h>
#include <QtGui/qwindow.h>
#include <QtGui/qregion.h>
QT_BEGIN_NAMESPACE
class QRegion;
class QRect;
class QPoint;
class QImage;
class QBackingStorePrivate;
class QPlatformBackingStore;
class Q_GUI_EXPORT QBackingStore
{
public:
explicit QBackingStore(QWindow *window);
~QBackingStore();
QWindow *window() const;
QPaintDevice *paintDevice();
void flush(const QRegion ®ion, QWindow *window = nullptr, const QPoint &offset = QPoint());
void resize(const QSize &size);
QSize size() const;
bool scroll(const QRegion &area, int dx, int dy);
void beginPaint(const QRegion &);
void endPaint();
void setStaticContents(const QRegion ®ion);
QRegion staticContents() const;
bool hasStaticContents() const;
QPlatformBackingStore *handle() const;
private:
QScopedPointer<QBackingStorePrivate> d_ptr;
};
QT_END_NAMESPACE
#endif // QBACKINGSTORE_H
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