/****************************************************************************
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****************************************************************************/

#ifndef QVGCOMPOSITIONHELPER_H
#define QVGCOMPOSITIONHELPER_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 "qwindowsurface_vgegl_p.h"

QT_BEGIN_NAMESPACE

#if !defined(QVG_NO_SINGLE_CONTEXT) && !defined(QT_NO_EGL)

class QVGPaintEnginePrivate;
class QVGEGLWindowSurfacePrivate;

class Q_OPENVG_EXPORT QVGCompositionHelper
{
public:
    QVGCompositionHelper();
    virtual ~QVGCompositionHelper();

    void startCompositing(const QSize& screenSize);
    void endCompositing();

    void blitWindow(VGImage image, const QSize& imageSize,
                    const QRect& rect, const QPoint& topLeft, int opacity);
    void fillBackground(const QRegion& region, const QBrush& brush);
    void drawCursorPixmap(const QPixmap& pixmap, const QPoint& offset);
    void setScissor(const QRegion& region);
    void clearScissor();

private:
    QVGPaintEnginePrivate *d;
    QSize screenSize;
};

#endif

QT_END_NAMESPACE

#endif