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#ifndef QGRAPHICSSYSTEM_P_H
#define QGRAPHICSSYSTEM_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 "private/qpixmapdata_p.h"
#include "private/qwindowsurface_p.h"
#include "private/qpaintengine_blitter_p.h"

#include <qdebug.h>

QT_BEGIN_NAMESPACE

class QPixmapFilter;
class QBlittable;
class QGraphicsSystemEx;

class Q_GUI_EXPORT QGraphicsSystem
{
public:
    virtual QPixmapData *createPixmapData(QPixmapData::PixelType type) const = 0;
    virtual QPixmapData *createPixmapData(QPixmapData *origin);
    virtual QWindowSurface *createWindowSurface(QWidget *widget) const = 0;

    virtual ~QGraphicsSystem();

    //### Remove this & change qpixmap.cpp & qbitmap.cpp once every platform is gaurenteed
    //    to have a graphics system.
    static QPixmapData *createDefaultPixmapData(QPixmapData::PixelType type);

    virtual QGraphicsSystemEx* platformExtension();
};

QT_END_NAMESPACE

#endif