katie/src/gui/painting/qwindowsurface_raster_p.h

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016-2019 Ivailo Monev
**
** This file is part of the QtGui module of the Katie Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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** $QT_END_LICENSE$
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****************************************************************************/

#ifndef QWINDOWSURFACE_RASTER_P_H
#define QWINDOWSURFACE_RASTER_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Katie API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include "qwindowsurface_p.h"

QT_BEGIN_NAMESPACE

class QPaintDevice;
class QPoint;
class QRegion;
class QRegion;
class QSize;
class QWidget;
class QRasterWindowSurfacePrivate;

class Q_GUI_EXPORT QRasterWindowSurface : public QWindowSurface
{
public:
    QRasterWindowSurface(QWidget *widget, bool setDefaultSurface = true);
    ~QRasterWindowSurface();

    QPaintDevice *paintDevice();
    void flush(QWidget *widget, const QRegion &region, const QPoint &offset);
    void beginPaint(const QRegion &rgn);
    void setGeometry(const QRect &rect);
    bool scroll(const QRegion &area, int dx, int dy);
    WindowSurfaceFeatures features() const;

private:
#if defined(Q_WS_X11) && !defined(QT_NO_XSHM)
    void syncX();
#endif
    void prepareBuffer(QImage::Format format);
    Q_DECLARE_PRIVATE(QRasterWindowSurface)
    QScopedPointer<QRasterWindowSurfacePrivate> d_ptr;
};

QT_END_NAMESPACE

#endif // QWINDOWSURFACE_RASTER_P_H