include/wine/gdi_driver.h - wine - Git at Google

 /*
  * Definitions for Wine GDI drivers
  *
  * Copyright 2011 Alexandre Julliard
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */

 #ifndef __WINE_WINE_GDI_DRIVER_H
 #define __WINE_WINE_GDI_DRIVER_H

 #include "wine/list.h"

 struct gdi_dc_funcs;
 struct opengl_funcs;

 typedef struct gdi_physdev
 {
     const struct gdi_dc_funcs *funcs;
     struct gdi_physdev        *next;
     HDC                        hdc;
 } *PHYSDEV;

 struct bitblt_coords
 {
     int  log_x;     /* original position and size, in logical coords */
     int  log_y;
     int  log_width;
     int  log_height;
     int  x;         /* mapped position and size, in device coords */
     int  y;
     int  width;
     int  height;
     RECT visrect;   /* rectangle clipped to the visible part, in device coords */
     DWORD layout;   /* DC layout */
 };

 struct gdi_image_bits
 {
     void   *ptr;       /* pointer to the bits */
     BOOL    is_copy;   /* whether this is a copy of the bits that can be modified */
     void  (*free)(struct gdi_image_bits *);  /* callback for freeing the bits */
     void   *param;     /* extra parameter for callback private use */
 };

 struct brush_pattern
 {
     BITMAPINFO           *info;     /* DIB info */
     struct gdi_image_bits bits;     /* DIB bits */
     UINT                  usage;    /* color usage for DIB info */
 };

 struct gdi_dc_funcs
 {
     INT      (*pAbortDoc)(PHYSDEV);
     BOOL     (*pAbortPath)(PHYSDEV);
     BOOL     (*pAlphaBlend)(PHYSDEV,struct bitblt_coords*,PHYSDEV,struct bitblt_coords*,BLENDFUNCTION);
     BOOL     (*pAngleArc)(PHYSDEV,INT,INT,DWORD,FLOAT,FLOAT);
     BOOL     (*pArc)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
     BOOL     (*pArcTo)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
     BOOL     (*pBeginPath)(PHYSDEV);
     DWORD    (*pBlendImage)(PHYSDEV,BITMAPINFO*,const struct gdi_image_bits*,struct bitblt_coords*,struct bitblt_coords*,BLENDFUNCTION);
     BOOL     (*pChord)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
     BOOL     (*pCloseFigure)(PHYSDEV);
     BOOL     (*pCreateCompatibleDC)(PHYSDEV,PHYSDEV*);
     BOOL     (*pCreateDC)(PHYSDEV*,LPCWSTR,LPCWSTR,LPCWSTR,const DEVMODEW*);
     BOOL     (*pDeleteDC)(PHYSDEV);
     BOOL     (*pDeleteObject)(PHYSDEV,HGDIOBJ);
     DWORD    (*pDeviceCapabilities)(LPSTR,LPCSTR,LPCSTR,WORD,LPSTR,LPDEVMODEA);
     BOOL     (*pEllipse)(PHYSDEV,INT,INT,INT,INT);
     INT      (*pEndDoc)(PHYSDEV);
     INT      (*pEndPage)(PHYSDEV);
     BOOL     (*pEndPath)(PHYSDEV);
     BOOL     (*pEnumFonts)(PHYSDEV,LPLOGFONTW,FONTENUMPROCW,LPARAM);
     INT      (*pEnumICMProfiles)(PHYSDEV,ICMENUMPROCW,LPARAM);
     INT      (*pExcludeClipRect)(PHYSDEV,INT,INT,INT,INT);
     INT      (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
     INT      (*pExtEscape)(PHYSDEV,INT,INT,LPCVOID,INT,LPVOID);
     BOOL     (*pExtFloodFill)(PHYSDEV,INT,INT,COLORREF,UINT);
     INT      (*pExtSelectClipRgn)(PHYSDEV,HRGN,INT);
     BOOL     (*pExtTextOut)(PHYSDEV,INT,INT,UINT,const RECT*,LPCWSTR,UINT,const INT*);
     BOOL     (*pFillPath)(PHYSDEV);
     BOOL     (*pFillRgn)(PHYSDEV,HRGN,HBRUSH);
     BOOL     (*pFlattenPath)(PHYSDEV);
     BOOL     (*pFontIsLinked)(PHYSDEV);
     BOOL     (*pFrameRgn)(PHYSDEV,HRGN,HBRUSH,INT,INT);
     BOOL     (*pGdiComment)(PHYSDEV,UINT,const BYTE*);
     UINT     (*pGetBoundsRect)(PHYSDEV,RECT*,UINT);
     BOOL     (*pGetCharABCWidths)(PHYSDEV,UINT,UINT,LPABC);
     BOOL     (*pGetCharABCWidthsI)(PHYSDEV,UINT,UINT,WORD*,LPABC);
     BOOL     (*pGetCharWidth)(PHYSDEV,UINT,UINT,LPINT);
     INT      (*pGetDeviceCaps)(PHYSDEV,INT);
     BOOL     (*pGetDeviceGammaRamp)(PHYSDEV,LPVOID);
     DWORD    (*pGetFontData)(PHYSDEV,DWORD,DWORD,LPVOID,DWORD);
     BOOL     (*pGetFontRealizationInfo)(PHYSDEV,void*);
     DWORD    (*pGetFontUnicodeRanges)(PHYSDEV,LPGLYPHSET);
     DWORD    (*pGetGlyphIndices)(PHYSDEV,LPCWSTR,INT,LPWORD,DWORD);
     DWORD    (*pGetGlyphOutline)(PHYSDEV,UINT,UINT,LPGLYPHMETRICS,DWORD,LPVOID,const MAT2*);
     BOOL     (*pGetICMProfile)(PHYSDEV,LPDWORD,LPWSTR);
     DWORD    (*pGetImage)(PHYSDEV,BITMAPINFO*,struct gdi_image_bits*,struct bitblt_coords*);
     DWORD    (*pGetKerningPairs)(PHYSDEV,DWORD,LPKERNINGPAIR);
     COLORREF (*pGetNearestColor)(PHYSDEV,COLORREF);
     UINT     (*pGetOutlineTextMetrics)(PHYSDEV,UINT,LPOUTLINETEXTMETRICW);
     COLORREF (*pGetPixel)(PHYSDEV,INT,INT);
     UINT     (*pGetSystemPaletteEntries)(PHYSDEV,UINT,UINT,LPPALETTEENTRY);
     UINT     (*pGetTextCharsetInfo)(PHYSDEV,LPFONTSIGNATURE,DWORD);
     BOOL     (*pGetTextExtentExPoint)(PHYSDEV,LPCWSTR,INT,LPINT);
     BOOL     (*pGetTextExtentExPointI)(PHYSDEV,const WORD*,INT,LPINT);
     INT      (*pGetTextFace)(PHYSDEV,INT,LPWSTR);
     BOOL     (*pGetTextMetrics)(PHYSDEV,TEXTMETRICW*);
     BOOL     (*pGradientFill)(PHYSDEV,TRIVERTEX*,ULONG,void*,ULONG,ULONG);
     INT      (*pIntersectClipRect)(PHYSDEV,INT,INT,INT,INT);
     BOOL     (*pInvertRgn)(PHYSDEV,HRGN);
     BOOL     (*pLineTo)(PHYSDEV,INT,INT);
     BOOL     (*pModifyWorldTransform)(PHYSDEV,const XFORM*,DWORD);
     BOOL     (*pMoveTo)(PHYSDEV,INT,INT);
     INT      (*pOffsetClipRgn)(PHYSDEV,INT,INT);
     BOOL     (*pOffsetViewportOrgEx)(PHYSDEV,INT,INT,POINT*);
     BOOL     (*pOffsetWindowOrgEx)(PHYSDEV,INT,INT,POINT*);
     BOOL     (*pPaintRgn)(PHYSDEV,HRGN);
     BOOL     (*pPatBlt)(PHYSDEV,struct bitblt_coords*,DWORD);
     BOOL     (*pPie)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
     BOOL     (*pPolyBezier)(PHYSDEV,const POINT*,DWORD);
     BOOL     (*pPolyBezierTo)(PHYSDEV,const POINT*,DWORD);
     BOOL     (*pPolyDraw)(PHYSDEV,const POINT*,const BYTE *,DWORD);
     BOOL     (*pPolyPolygon)(PHYSDEV,const POINT*,const INT*,UINT);
     BOOL     (*pPolyPolyline)(PHYSDEV,const POINT*,const DWORD*,DWORD);
     BOOL     (*pPolygon)(PHYSDEV,const POINT*,INT);
     BOOL     (*pPolyline)(PHYSDEV,const POINT*,INT);
     BOOL     (*pPolylineTo)(PHYSDEV,const POINT*,INT);
     DWORD    (*pPutImage)(PHYSDEV,HRGN,BITMAPINFO*,const struct gdi_image_bits*,struct bitblt_coords*,struct bitblt_coords*,DWORD);
     UINT     (*pRealizeDefaultPalette)(PHYSDEV);
     UINT     (*pRealizePalette)(PHYSDEV,HPALETTE,BOOL);
     BOOL     (*pRectangle)(PHYSDEV,INT,INT,INT,INT);
     HDC      (*pResetDC)(PHYSDEV,const DEVMODEW*);
     BOOL     (*pRestoreDC)(PHYSDEV,INT);
     BOOL     (*pRoundRect)(PHYSDEV,INT,INT,INT,INT,INT,INT);
     INT      (*pSaveDC)(PHYSDEV);
     BOOL     (*pScaleViewportExtEx)(PHYSDEV,INT,INT,INT,INT,SIZE*);
     BOOL     (*pScaleWindowExtEx)(PHYSDEV,INT,INT,INT,INT,SIZE*);
     HBITMAP  (*pSelectBitmap)(PHYSDEV,HBITMAP);
     HBRUSH   (*pSelectBrush)(PHYSDEV,HBRUSH,const struct brush_pattern*);
     BOOL     (*pSelectClipPath)(PHYSDEV,INT);
     HFONT    (*pSelectFont)(PHYSDEV,HFONT,UINT*);
     HPALETTE (*pSelectPalette)(PHYSDEV,HPALETTE,BOOL);
     HPEN     (*pSelectPen)(PHYSDEV,HPEN,const struct brush_pattern*);
     INT      (*pSetArcDirection)(PHYSDEV,INT);
     COLORREF (*pSetBkColor)(PHYSDEV,COLORREF);
     INT      (*pSetBkMode)(PHYSDEV,INT);
     UINT     (*pSetBoundsRect)(PHYSDEV,RECT*,UINT);
     COLORREF (*pSetDCBrushColor)(PHYSDEV, COLORREF);
     COLORREF (*pSetDCPenColor)(PHYSDEV, COLORREF);
     INT      (*pSetDIBitsToDevice)(PHYSDEV,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT,LPCVOID,BITMAPINFO*,UINT);
     VOID     (*pSetDeviceClipping)(PHYSDEV,HRGN);
     BOOL     (*pSetDeviceGammaRamp)(PHYSDEV,LPVOID);
     DWORD    (*pSetLayout)(PHYSDEV,DWORD);
     INT      (*pSetMapMode)(PHYSDEV,INT);
     DWORD    (*pSetMapperFlags)(PHYSDEV,DWORD);
     COLORREF (*pSetPixel)(PHYSDEV,INT,INT,COLORREF);
     INT      (*pSetPolyFillMode)(PHYSDEV,INT);
     INT      (*pSetROP2)(PHYSDEV,INT);
     INT      (*pSetRelAbs)(PHYSDEV,INT);
     INT      (*pSetStretchBltMode)(PHYSDEV,INT);
     UINT     (*pSetTextAlign)(PHYSDEV,UINT);
     INT      (*pSetTextCharacterExtra)(PHYSDEV,INT);
     COLORREF (*pSetTextColor)(PHYSDEV,COLORREF);
     BOOL     (*pSetTextJustification)(PHYSDEV,INT,INT);
     BOOL     (*pSetViewportExtEx)(PHYSDEV,INT,INT,SIZE*);
     BOOL     (*pSetViewportOrgEx)(PHYSDEV,INT,INT,POINT*);
     BOOL     (*pSetWindowExtEx)(PHYSDEV,INT,INT,SIZE*);
     BOOL     (*pSetWindowOrgEx)(PHYSDEV,INT,INT,POINT*);
     BOOL     (*pSetWorldTransform)(PHYSDEV,const XFORM*);
     INT      (*pStartDoc)(PHYSDEV,const DOCINFOW*);
     INT      (*pStartPage)(PHYSDEV);
     BOOL     (*pStretchBlt)(PHYSDEV,struct bitblt_coords*,PHYSDEV,struct bitblt_coords*,DWORD);
     INT      (*pStretchDIBits)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT,const void*,BITMAPINFO*,UINT,DWORD);
     BOOL     (*pStrokeAndFillPath)(PHYSDEV);
     BOOL     (*pStrokePath)(PHYSDEV);
     BOOL     (*pUnrealizePalette)(HPALETTE);
     BOOL     (*pWidenPath)(PHYSDEV);
     struct opengl_funcs * (*wine_get_wgl_driver)(PHYSDEV,UINT);

     /* priority order for the driver on the stack */
     UINT       priority;
 };

 /* increment this when you change the DC function table */
 #define WINE_GDI_DRIVER_VERSION 47

 #define GDI_PRIORITY_NULL_DRV        0  /* null driver */
 #define GDI_PRIORITY_FONT_DRV      100  /* any font driver */
 #define GDI_PRIORITY_GRAPHICS_DRV  200  /* any graphics driver */
 #define GDI_PRIORITY_DIB_DRV       300  /* the DIB driver */
 #define GDI_PRIORITY_PATH_DRV      400  /* the path driver */

 static inline PHYSDEV get_physdev_entry_point( PHYSDEV dev, size_t offset )
 {
     while (!((void **)dev->funcs)[offset / sizeof(void *)]) dev = dev->next;
     return dev;
 }

 #define GET_NEXT_PHYSDEV(dev,func) \
     get_physdev_entry_point( (dev)->next, FIELD_OFFSET(struct gdi_dc_funcs,func))

 static inline void push_dc_driver( PHYSDEV *dev, PHYSDEV physdev, const struct gdi_dc_funcs *funcs )
 {
     while ((*dev)->funcs->priority > funcs->priority) dev = &(*dev)->next;
     physdev->funcs = funcs;
     physdev->next = *dev;
     physdev->hdc = (*dev)->hdc;
     *dev = physdev;
 }

 /* support for window surfaces */

 struct window_surface;

 struct window_surface_funcs
 {
     void  (*lock)( struct window_surface *surface );
     void  (*unlock)( struct window_surface *surface );
     void* (*get_info)( struct window_surface *surface, BITMAPINFO *info );
     RECT* (*get_bounds)( struct window_surface *surface );
     void  (*set_region)( struct window_surface *surface, HRGN region );
     void  (*flush)( struct window_surface *surface );
     void  (*destroy)( struct window_surface *surface );
 };

 struct window_surface
 {
     const struct window_surface_funcs *funcs; /* driver-specific implementations  */
     struct list                        entry; /* entry in global list managed by user32 */
     LONG                               ref;   /* reference count */
     RECT                               rect;  /* constant, no locking needed */
     /* driver-specific fields here */
 };

 static inline ULONG window_surface_add_ref( struct window_surface *surface )
 {
     return InterlockedIncrement( &surface->ref );
 }

 static inline ULONG window_surface_release( struct window_surface *surface )
 {
     ULONG ret = InterlockedDecrement( &surface->ref );
     if (!ret) surface->funcs->destroy( surface );
     return ret;
 }

 /* the DC hook support is only exported on Win16, the 32-bit version is a Wine extension */

 #define DCHC_INVALIDVISRGN      0x0001
 #define DCHC_DELETEDC           0x0002
 #define DCHF_INVALIDATEVISRGN   0x0001
 #define DCHF_VALIDATEVISRGN     0x0002
 #define DCHF_RESETDC            0x0004  /* Wine extension */
 #define DCHF_DISABLEDC          0x0008  /* Wine extension */
 #define DCHF_ENABLEDC           0x0010  /* Wine extension */

 typedef BOOL (CALLBACK *DCHOOKPROC)(HDC,WORD,DWORD_PTR,LPARAM);

 WINGDIAPI DWORD_PTR WINAPI GetDCHook(HDC,DCHOOKPROC*);
 WINGDIAPI BOOL      WINAPI SetDCHook(HDC,DCHOOKPROC,DWORD_PTR);
 WINGDIAPI WORD      WINAPI SetHookFlags(HDC,WORD);

 extern void CDECL __wine_make_gdi_object_system( HGDIOBJ handle, BOOL set );
 extern void CDECL __wine_set_visible_region( HDC hdc, HRGN hrgn, const RECT *vis_rect,
                                              const RECT *device_rect, struct window_surface *surface );
 extern void CDECL __wine_set_display_driver( HMODULE module );
 extern struct opengl_funcs * CDECL __wine_get_wgl_driver( HDC hdc, UINT version );

 #endif /* __WINE_WINE_GDI_DRIVER_H */
	/*
	* Definitions for Wine GDI drivers
	*
	* Copyright 2011 Alexandre Julliard
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
	*/

	#ifndef __WINE_WINE_GDI_DRIVER_H
	#define __WINE_WINE_GDI_DRIVER_H

	#include "wine/list.h"

	struct gdi_dc_funcs;
	struct opengl_funcs;

	typedef struct gdi_physdev
	{
	const struct gdi_dc_funcs *funcs;
	struct gdi_physdev *next;
	HDC hdc;
	} *PHYSDEV;

	struct bitblt_coords
	{
	int log_x; /* original position and size, in logical coords */
	int log_y;
	int log_width;
	int log_height;
	int x; /* mapped position and size, in device coords */
	int y;
	int width;
	int height;
	RECT visrect; /* rectangle clipped to the visible part, in device coords */
	DWORD layout; /* DC layout */
	};

	struct gdi_image_bits
	{
	void ptr; / pointer to the bits */
	BOOL is_copy; /* whether this is a copy of the bits that can be modified */
	void (free)(struct gdi_image_bits ); /* callback for freeing the bits */
	void param; / extra parameter for callback private use */
	};

	struct brush_pattern
	{
	BITMAPINFO info; / DIB info */
	struct gdi_image_bits bits; /* DIB bits */
	UINT usage; /* color usage for DIB info */
	};

	struct gdi_dc_funcs
	{
	INT (*pAbortDoc)(PHYSDEV);
	BOOL (*pAbortPath)(PHYSDEV);
	BOOL (pAlphaBlend)(PHYSDEV,struct bitblt_coords,PHYSDEV,struct bitblt_coords*,BLENDFUNCTION);
	BOOL (*pAngleArc)(PHYSDEV,INT,INT,DWORD,FLOAT,FLOAT);
	BOOL (*pArc)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
	BOOL (*pArcTo)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
	BOOL (*pBeginPath)(PHYSDEV);
	DWORD (pBlendImage)(PHYSDEV,BITMAPINFO,const struct gdi_image_bits,struct bitblt_coords,struct bitblt_coords*,BLENDFUNCTION);
	BOOL (*pChord)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
	BOOL (*pCloseFigure)(PHYSDEV);
	BOOL (pCreateCompatibleDC)(PHYSDEV,PHYSDEV);
	BOOL (pCreateDC)(PHYSDEV,LPCWSTR,LPCWSTR,LPCWSTR,const DEVMODEW*);
	BOOL (*pDeleteDC)(PHYSDEV);
	BOOL (*pDeleteObject)(PHYSDEV,HGDIOBJ);
	DWORD (*pDeviceCapabilities)(LPSTR,LPCSTR,LPCSTR,WORD,LPSTR,LPDEVMODEA);
	BOOL (*pEllipse)(PHYSDEV,INT,INT,INT,INT);
	INT (*pEndDoc)(PHYSDEV);
	INT (*pEndPage)(PHYSDEV);
	BOOL (*pEndPath)(PHYSDEV);
	BOOL (*pEnumFonts)(PHYSDEV,LPLOGFONTW,FONTENUMPROCW,LPARAM);
	INT (*pEnumICMProfiles)(PHYSDEV,ICMENUMPROCW,LPARAM);
	INT (*pExcludeClipRect)(PHYSDEV,INT,INT,INT,INT);
	INT (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
	INT (*pExtEscape)(PHYSDEV,INT,INT,LPCVOID,INT,LPVOID);
	BOOL (*pExtFloodFill)(PHYSDEV,INT,INT,COLORREF,UINT);
	INT (*pExtSelectClipRgn)(PHYSDEV,HRGN,INT);
	BOOL (pExtTextOut)(PHYSDEV,INT,INT,UINT,const RECT,LPCWSTR,UINT,const INT*);
	BOOL (*pFillPath)(PHYSDEV);
	BOOL (*pFillRgn)(PHYSDEV,HRGN,HBRUSH);
	BOOL (*pFlattenPath)(PHYSDEV);
	BOOL (*pFontIsLinked)(PHYSDEV);
	BOOL (*pFrameRgn)(PHYSDEV,HRGN,HBRUSH,INT,INT);
	BOOL (pGdiComment)(PHYSDEV,UINT,const BYTE);
	UINT (pGetBoundsRect)(PHYSDEV,RECT,UINT);
	BOOL (*pGetCharABCWidths)(PHYSDEV,UINT,UINT,LPABC);
	BOOL (pGetCharABCWidthsI)(PHYSDEV,UINT,UINT,WORD,LPABC);
	BOOL (*pGetCharWidth)(PHYSDEV,UINT,UINT,LPINT);
	INT (*pGetDeviceCaps)(PHYSDEV,INT);
	BOOL (*pGetDeviceGammaRamp)(PHYSDEV,LPVOID);
	DWORD (*pGetFontData)(PHYSDEV,DWORD,DWORD,LPVOID,DWORD);
	BOOL (pGetFontRealizationInfo)(PHYSDEV,void);
	DWORD (*pGetFontUnicodeRanges)(PHYSDEV,LPGLYPHSET);
	DWORD (*pGetGlyphIndices)(PHYSDEV,LPCWSTR,INT,LPWORD,DWORD);
	DWORD (pGetGlyphOutline)(PHYSDEV,UINT,UINT,LPGLYPHMETRICS,DWORD,LPVOID,const MAT2);
	BOOL (*pGetICMProfile)(PHYSDEV,LPDWORD,LPWSTR);
	DWORD (pGetImage)(PHYSDEV,BITMAPINFO,struct gdi_image_bits,struct bitblt_coords);
	DWORD (*pGetKerningPairs)(PHYSDEV,DWORD,LPKERNINGPAIR);
	COLORREF (*pGetNearestColor)(PHYSDEV,COLORREF);
	UINT (*pGetOutlineTextMetrics)(PHYSDEV,UINT,LPOUTLINETEXTMETRICW);
	COLORREF (*pGetPixel)(PHYSDEV,INT,INT);
	UINT (*pGetSystemPaletteEntries)(PHYSDEV,UINT,UINT,LPPALETTEENTRY);
	UINT (*pGetTextCharsetInfo)(PHYSDEV,LPFONTSIGNATURE,DWORD);
	BOOL (*pGetTextExtentExPoint)(PHYSDEV,LPCWSTR,INT,LPINT);
	BOOL (pGetTextExtentExPointI)(PHYSDEV,const WORD,INT,LPINT);
	INT (*pGetTextFace)(PHYSDEV,INT,LPWSTR);
	BOOL (pGetTextMetrics)(PHYSDEV,TEXTMETRICW);
	BOOL (pGradientFill)(PHYSDEV,TRIVERTEX,ULONG,void*,ULONG,ULONG);
	INT (*pIntersectClipRect)(PHYSDEV,INT,INT,INT,INT);
	BOOL (*pInvertRgn)(PHYSDEV,HRGN);
	BOOL (*pLineTo)(PHYSDEV,INT,INT);
	BOOL (pModifyWorldTransform)(PHYSDEV,const XFORM,DWORD);
	BOOL (*pMoveTo)(PHYSDEV,INT,INT);
	INT (*pOffsetClipRgn)(PHYSDEV,INT,INT);
	BOOL (pOffsetViewportOrgEx)(PHYSDEV,INT,INT,POINT);
	BOOL (pOffsetWindowOrgEx)(PHYSDEV,INT,INT,POINT);
	BOOL (*pPaintRgn)(PHYSDEV,HRGN);
	BOOL (pPatBlt)(PHYSDEV,struct bitblt_coords,DWORD);
	BOOL (*pPie)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
	BOOL (pPolyBezier)(PHYSDEV,const POINT,DWORD);
	BOOL (pPolyBezierTo)(PHYSDEV,const POINT,DWORD);
	BOOL (pPolyDraw)(PHYSDEV,const POINT,const BYTE *,DWORD);
	BOOL (pPolyPolygon)(PHYSDEV,const POINT,const INT*,UINT);
	BOOL (pPolyPolyline)(PHYSDEV,const POINT,const DWORD*,DWORD);
	BOOL (pPolygon)(PHYSDEV,const POINT,INT);
	BOOL (pPolyline)(PHYSDEV,const POINT,INT);
	BOOL (pPolylineTo)(PHYSDEV,const POINT,INT);
	DWORD (pPutImage)(PHYSDEV,HRGN,BITMAPINFO,const struct gdi_image_bits,struct bitblt_coords,struct bitblt_coords*,DWORD);
	UINT (*pRealizeDefaultPalette)(PHYSDEV);
	UINT (*pRealizePalette)(PHYSDEV,HPALETTE,BOOL);
	BOOL (*pRectangle)(PHYSDEV,INT,INT,INT,INT);
	HDC (pResetDC)(PHYSDEV,const DEVMODEW);
	BOOL (*pRestoreDC)(PHYSDEV,INT);
	BOOL (*pRoundRect)(PHYSDEV,INT,INT,INT,INT,INT,INT);
	INT (*pSaveDC)(PHYSDEV);
	BOOL (pScaleViewportExtEx)(PHYSDEV,INT,INT,INT,INT,SIZE);
	BOOL (pScaleWindowExtEx)(PHYSDEV,INT,INT,INT,INT,SIZE);
	HBITMAP (*pSelectBitmap)(PHYSDEV,HBITMAP);
	HBRUSH (pSelectBrush)(PHYSDEV,HBRUSH,const struct brush_pattern);
	BOOL (*pSelectClipPath)(PHYSDEV,INT);
	HFONT (pSelectFont)(PHYSDEV,HFONT,UINT);
	HPALETTE (*pSelectPalette)(PHYSDEV,HPALETTE,BOOL);
	HPEN (pSelectPen)(PHYSDEV,HPEN,const struct brush_pattern);
	INT (*pSetArcDirection)(PHYSDEV,INT);
	COLORREF (*pSetBkColor)(PHYSDEV,COLORREF);
	INT (*pSetBkMode)(PHYSDEV,INT);
	UINT (pSetBoundsRect)(PHYSDEV,RECT,UINT);
	COLORREF (*pSetDCBrushColor)(PHYSDEV, COLORREF);
	COLORREF (*pSetDCPenColor)(PHYSDEV, COLORREF);
	INT (pSetDIBitsToDevice)(PHYSDEV,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT,LPCVOID,BITMAPINFO,UINT);
	VOID (*pSetDeviceClipping)(PHYSDEV,HRGN);
	BOOL (*pSetDeviceGammaRamp)(PHYSDEV,LPVOID);
	DWORD (*pSetLayout)(PHYSDEV,DWORD);
	INT (*pSetMapMode)(PHYSDEV,INT);
	DWORD (*pSetMapperFlags)(PHYSDEV,DWORD);
	COLORREF (*pSetPixel)(PHYSDEV,INT,INT,COLORREF);
	INT (*pSetPolyFillMode)(PHYSDEV,INT);
	INT (*pSetROP2)(PHYSDEV,INT);
	INT (*pSetRelAbs)(PHYSDEV,INT);
	INT (*pSetStretchBltMode)(PHYSDEV,INT);
	UINT (*pSetTextAlign)(PHYSDEV,UINT);
	INT (*pSetTextCharacterExtra)(PHYSDEV,INT);
	COLORREF (*pSetTextColor)(PHYSDEV,COLORREF);
	BOOL (*pSetTextJustification)(PHYSDEV,INT,INT);
	BOOL (pSetViewportExtEx)(PHYSDEV,INT,INT,SIZE);
	BOOL (pSetViewportOrgEx)(PHYSDEV,INT,INT,POINT);
	BOOL (pSetWindowExtEx)(PHYSDEV,INT,INT,SIZE);
	BOOL (pSetWindowOrgEx)(PHYSDEV,INT,INT,POINT);
	BOOL (pSetWorldTransform)(PHYSDEV,const XFORM);
	INT (pStartDoc)(PHYSDEV,const DOCINFOW);
	INT (*pStartPage)(PHYSDEV);
	BOOL (pStretchBlt)(PHYSDEV,struct bitblt_coords,PHYSDEV,struct bitblt_coords*,DWORD);
	INT (pStretchDIBits)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT,const void,BITMAPINFO*,UINT,DWORD);
	BOOL (*pStrokeAndFillPath)(PHYSDEV);
	BOOL (*pStrokePath)(PHYSDEV);
	BOOL (*pUnrealizePalette)(HPALETTE);
	BOOL (*pWidenPath)(PHYSDEV);
	struct opengl_funcs * (*wine_get_wgl_driver)(PHYSDEV,UINT);

	/* priority order for the driver on the stack */
	UINT priority;
	};

	/* increment this when you change the DC function table */
	#define WINE_GDI_DRIVER_VERSION 47

	#define GDI_PRIORITY_NULL_DRV 0 /* null driver */
	#define GDI_PRIORITY_FONT_DRV 100 /* any font driver */
	#define GDI_PRIORITY_GRAPHICS_DRV 200 /* any graphics driver */
	#define GDI_PRIORITY_DIB_DRV 300 /* the DIB driver */
	#define GDI_PRIORITY_PATH_DRV 400 /* the path driver */

	static inline PHYSDEV get_physdev_entry_point( PHYSDEV dev, size_t offset )
	{
	while (!((void *)dev->funcs)[offset / sizeof(void )]) dev = dev->next;
	return dev;
	}

	#define GET_NEXT_PHYSDEV(dev,func) \
	get_physdev_entry_point( (dev)->next, FIELD_OFFSET(struct gdi_dc_funcs,func))

	static inline void push_dc_driver( PHYSDEV dev, PHYSDEV physdev, const struct gdi_dc_funcs funcs )
	{
	while ((dev)->funcs->priority > funcs->priority) dev = &(dev)->next;
	physdev->funcs = funcs;
	physdev->next = *dev;
	physdev->hdc = (*dev)->hdc;
	*dev = physdev;
	}

	/* support for window surfaces */

	struct window_surface;

	struct window_surface_funcs
	{
	void (lock)( struct window_surface surface );
	void (unlock)( struct window_surface surface );
	void* (get_info)( struct window_surface surface, BITMAPINFO *info );
	RECT* (get_bounds)( struct window_surface surface );
	void (set_region)( struct window_surface surface, HRGN region );
	void (flush)( struct window_surface surface );
	void (destroy)( struct window_surface surface );
	};

	struct window_surface
	{
	const struct window_surface_funcs funcs; / driver-specific implementations */
	struct list entry; /* entry in global list managed by user32 */
	LONG ref; /* reference count */
	RECT rect; /* constant, no locking needed */
	/* driver-specific fields here */
	};

	static inline ULONG window_surface_add_ref( struct window_surface *surface )
	{
	return InterlockedIncrement( &surface->ref );
	}

	static inline ULONG window_surface_release( struct window_surface *surface )
	{
	ULONG ret = InterlockedDecrement( &surface->ref );
	if (!ret) surface->funcs->destroy( surface );
	return ret;
	}

	/* the DC hook support is only exported on Win16, the 32-bit version is a Wine extension */

	#define DCHC_INVALIDVISRGN 0x0001
	#define DCHC_DELETEDC 0x0002
	#define DCHF_INVALIDATEVISRGN 0x0001
	#define DCHF_VALIDATEVISRGN 0x0002
	#define DCHF_RESETDC 0x0004 /* Wine extension */
	#define DCHF_DISABLEDC 0x0008 /* Wine extension */
	#define DCHF_ENABLEDC 0x0010 /* Wine extension */

	typedef BOOL (CALLBACK *DCHOOKPROC)(HDC,WORD,DWORD_PTR,LPARAM);

	WINGDIAPI DWORD_PTR WINAPI GetDCHook(HDC,DCHOOKPROC*);
	WINGDIAPI BOOL WINAPI SetDCHook(HDC,DCHOOKPROC,DWORD_PTR);
	WINGDIAPI WORD WINAPI SetHookFlags(HDC,WORD);

	extern void CDECL __wine_make_gdi_object_system( HGDIOBJ handle, BOOL set );
	extern void CDECL __wine_set_visible_region( HDC hdc, HRGN hrgn, const RECT *vis_rect,
	const RECT device_rect, struct window_surface surface );
	extern void CDECL __wine_set_display_driver( HMODULE module );
	extern struct opengl_funcs * CDECL __wine_get_wgl_driver( HDC hdc, UINT version );

	#endif /* __WINE_WINE_GDI_DRIVER_H */