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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 Qt 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 <qglobal.h>

#include "private/qwindowsurface_p.h"

QT_BEGIN_NAMESPACE

#ifdef Q_WS_WIN

#define Q_WS_EX_LAYERED           0x00080000 // copied from WS_EX_LAYERED in winuser.h

#define Q_LWA_ALPHA               0x00000002 // copied from LWA_ALPHA in winuser.h

#define Q_ULW_ALPHA               0x00000002 // copied from ULW_ALPHA in winuser.h

#define Q_AC_SRC_ALPHA            0x00000001 // copied from AC_SRC_ALPHA in winuser.h

struct Q_UPDATELAYEREDWINDOWINFO {

    DWORD cbSize;

    HDC hdcDst;

    const POINT *pptDst;

    const SIZE *psize;

    HDC hdcSrc;

    const POINT *pptSrc;

    COLORREF crKey;

    const BLENDFUNCTION *pblend;

    DWORD dwFlags;

    const RECT *prcDirty;

};

typedef BOOL (WINAPI *PtrUpdateLayeredWindow)(HWND hwnd, HDC hdcDst, const POINT *pptDst,

             const SIZE *psize, HDC hdcSrc, const POINT *pptSrc, COLORREF crKey,

             const BLENDFUNCTION *pblend, DWORD dwflags);

typedef BOOL (WINAPI *PtrUpdateLayeredWindowIndirect)(HWND hwnd, const Q_UPDATELAYEREDWINDOWINFO *pULWInfo);

extern PtrUpdateLayeredWindow ptrUpdateLayeredWindow;

extern PtrUpdateLayeredWindowIndirect ptrUpdateLayeredWindowIndirect;

#endif

class QPaintDevice;

class QPoint;

class QRegion;

class QRegion;

class QSize;

class QWidget;

class QRasterWindowSurfacePrivate;

class QNativeImage;

class Q_GUI_EXPORT QRasterWindowSurface : public QWindowSurface

{

public:

    QRasterWindowSurface(QWidget *widget);

    ~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);

private:

    void prepareBuffer(QImage::Format format, QWidget *widget);

    Q_DECLARE_PRIVATE(QRasterWindowSurface)

    QScopedPointer<QRasterWindowSurfacePrivate> d_ptr;

};

QT_END_NAMESPACE

#endif // QWINDOWSURFACE_RASTER_P_H