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42 #ifndef QWINDOWSURFACE_RASTER_P_H
43 #define QWINDOWSURFACE_RASTER_P_H
49 // This file is not part of the Qt API. It exists for the convenience
50 // of the QLibrary class. This header file may change from
51 // version to version without notice, or even be removed.
57 #include "private/qwindowsurface_p.h"
59 #ifdef QT_MAC_USE_COCOA
60 # include <private/qt_cocoa_helpers_mac_p.h>
61 #endif // QT_MAC_USE_COCOA
66 #define Q_WS_EX_LAYERED 0x00080000 // copied from WS_EX_LAYERED in winuser.h
67 #define Q_LWA_ALPHA 0x00000002 // copied from LWA_ALPHA in winuser.h
68 #define Q_ULW_ALPHA 0x00000002 // copied from ULW_ALPHA in winuser.h
69 #define Q_AC_SRC_ALPHA 0x00000001 // copied from AC_SRC_ALPHA in winuser.h
71 struct Q_UPDATELAYEREDWINDOWINFO {
79 const BLENDFUNCTION *pblend;
84 typedef BOOL (WINAPI *PtrUpdateLayeredWindow)(HWND hwnd, HDC hdcDst, const POINT *pptDst,
85 const SIZE *psize, HDC hdcSrc, const POINT *pptSrc, COLORREF crKey,
86 const BLENDFUNCTION *pblend, DWORD dwflags);
87 typedef BOOL (WINAPI *PtrUpdateLayeredWindowIndirect)(HWND hwnd, const Q_UPDATELAYEREDWINDOWINFO *pULWInfo);
88 extern PtrUpdateLayeredWindow ptrUpdateLayeredWindow;
89 extern PtrUpdateLayeredWindowIndirect ptrUpdateLayeredWindowIndirect;
98 class QRasterWindowSurfacePrivate;
101 class Q_GUI_EXPORT QRasterWindowSurface : public QWindowSurface
104 QRasterWindowSurface(QWidget *widget, bool setDefaultSurface = true);
105 ~QRasterWindowSurface();
107 QPaintDevice *paintDevice();
108 void flush(QWidget *widget, const QRegion ®ion, const QPoint &offset);
109 void beginPaint(const QRegion &rgn);
110 void setGeometry(const QRect &rect);
111 bool scroll(const QRegion &area, int dx, int dy);
112 WindowSurfaceFeatures features() const;
114 #ifdef QT_MAC_USE_COCOA
115 CGContextRef imageContext();
118 QRegion regionToFlush;
119 #endif // QT_MAC_USE_COCOA
122 #if defined(Q_WS_X11) && !defined(QT_NO_MITSHM)
125 void prepareBuffer(QImage::Format format, QWidget *widget);
126 Q_DECLARE_PRIVATE(QRasterWindowSurface)
127 QScopedPointer<QRasterWindowSurfacePrivate> d_ptr;
132 #endif // QWINDOWSURFACE_RASTER_P_H