include/gdi.h - wine - Git at Google


            
            /*

            
             * GDI definitions

            
             *

            
             * Copyright 1993 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

            
             */


            #ifndef __WINE_GDI_H

            
            #define __WINE_GDI_H


            #include "windef.h"

            
            #include "wingdi.h"

            
            #include "wine/wingdi16.h"

            
            #include "path.h"

            
            #include <math.h>


              /* GDI objects magic numbers */

            
            #define FIRST_MAGIC           0x4f47

            
            #define PEN_MAGIC             0x4f47

            
            #define BRUSH_MAGIC           0x4f48

            
            #define FONT_MAGIC            0x4f49

            
            #define PALETTE_MAGIC         0x4f4a

            
            #define BITMAP_MAGIC          0x4f4b

            
            #define REGION_MAGIC          0x4f4c

            
            #define DC_MAGIC              0x4f4d

            
            #define DISABLED_DC_MAGIC     0x4f4e

            
            #define META_DC_MAGIC         0x4f4f

            
            #define METAFILE_MAGIC        0x4f50

            
            #define METAFILE_DC_MAGIC     0x4f51

            
            #define ENHMETAFILE_MAGIC     0x4f52

            
            #define ENHMETAFILE_DC_MAGIC  0x4f53

            
            #define LAST_MAGIC            0x4f53


            #define MAGIC_DONTCARE	      0xffff


            /* GDI constants for making objects private/system (naming undoc. !) */

            
            #define OBJECT_PRIVATE        0x2000

            
            #define OBJECT_NOSYSTEM       0x8000


            #define GDIMAGIC(magic) ((magic) & ~(OBJECT_PRIVATE|OBJECT_NOSYSTEM))


            struct gdi_obj_funcs

            
            {

            
                HGDIOBJ (*pSelectObject)( HGDIOBJ handle, void *obj, HDC hdc );

            
                INT     (*pGetObject16)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );

            
                INT     (*pGetObjectA)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );

            
                INT     (*pGetObjectW)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );

            
                BOOL    (*pUnrealizeObject)( HGDIOBJ handle, void *obj );

            
                BOOL    (*pDeleteObject)( HGDIOBJ handle, void *obj );

            
            };


            typedef struct tagGDIOBJHDR

            
            {

            
                HANDLE16    hNext;

            
                WORD        wMagic;

            
                DWORD       dwCount;

            
                const struct gdi_obj_funcs *funcs;

            
            } GDIOBJHDR;


            typedef struct tagGdiFont *GdiFont;


            typedef struct { int opaque; } *PHYSDEV;  /* PHYSDEV is an opaque pointer */


            typedef struct tagDC

            
            {

            
                GDIOBJHDR    header;

            
                HDC          hSelf;            /* Handle to this DC */

            
                const struct tagDC_FUNCS *funcs; /* DC function table */

            
                PHYSDEV      physDev;         /* Physical device (driver-specific) */

            
                INT          saveLevel;

            
                DWORD        dwHookData;

            
                FARPROC16    hookProc;         /* the original SEGPTR ... */

            
                DCHOOKPROC   hookThunk;        /* ... and the thunk to call it */


                INT          wndOrgX;          /* Window origin */

            
                INT          wndOrgY;

            
                INT          wndExtX;          /* Window extent */

            
                INT          wndExtY;

            
                INT          vportOrgX;        /* Viewport origin */

            
                INT          vportOrgY;

            
                INT          vportExtX;        /* Viewport extent */

            
                INT          vportExtY;


                int           flags;

            
                HRGN          hClipRgn;     /* Clip region (may be 0) */

            
                HRGN          hVisRgn;      /* Visible region (must never be 0) */

            
                HRGN          hGCClipRgn;   /* GC clip region (ClipRgn AND VisRgn) */

            
                HPEN          hPen;

            
                HBRUSH        hBrush;

            
                HFONT         hFont;

            
                HBITMAP       hBitmap;

            
                HANDLE        hDevice;

            
                HPALETTE      hPalette;


                GdiFont       gdiFont;

            
                GdiPath       path;


                WORD          ROPmode;

            
                WORD          polyFillMode;

            
                WORD          stretchBltMode;

            
                WORD          relAbsMode;

            
                WORD          backgroundMode;

            
                COLORREF      backgroundColor;

            
                COLORREF      textColor;

            
                short         brushOrgX;

            
                short         brushOrgY;


                WORD          textAlign;         /* Text alignment from SetTextAlign() */

            
                short         charExtra;         /* Spacing from SetTextCharacterExtra() */

            
                short         breakTotalExtra;   /* Total extra space for justification */

            
                short         breakCount;        /* Break char. count */

            
                short         breakExtra;        /* breakTotalExtra / breakCount */

            
                short         breakRem;          /* breakTotalExtra % breakCount */


                RECT          totalExtent;

            
                BYTE          bitsPerPixel;


                INT           MapMode;

            
                INT           GraphicsMode;      /* Graphics mode */

            
                ABORTPROC     pAbortProc;        /* AbortProc for Printing */

            
                ABORTPROC16   pAbortProc16;

            
                INT           CursPosX;          /* Current position */

            
                INT           CursPosY;

            
                INT           ArcDirection;

            
                XFORM         xformWorld2Wnd;    /* World-to-window transformation */

            
                XFORM         xformWorld2Vport;  /* World-to-viewport transformation */

            
                XFORM         xformVport2World;  /* Inverse of the above transformation */

            
                BOOL          vport2WorldValid;  /* Is xformVport2World valid? */

            
            } DC;


            /* Device functions for the Wine driver interface */


            typedef INT (*DEVICEFONTENUMPROC)(LPENUMLOGFONTEXW,LPNEWTEXTMETRICEXW,DWORD,

            
            				  LPARAM);


            typedef struct tagDC_FUNCS

            
            {

            
                INT      (*pAbortDoc)(PHYSDEV);

            
                BOOL     (*pAbortPath)(PHYSDEV);

            
                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);

            
                BOOL     (*pBitBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,DWORD);

            
                INT      (*pChoosePixelFormat)(PHYSDEV,const PIXELFORMATDESCRIPTOR *);

            
                BOOL     (*pChord)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);

            
                BOOL     (*pCloseFigure)(PHYSDEV);

            
                BOOL     (*pCreateBitmap)(PHYSDEV,HBITMAP);

            
                BOOL     (*pCreateDC)(DC *,PHYSDEV *,LPCSTR,LPCSTR,LPCSTR,const DEVMODEA*);

            
                HBITMAP  (*pCreateDIBSection)(PHYSDEV,BITMAPINFO *,UINT,LPVOID *,HANDLE,DWORD,DWORD);

            
                BOOL     (*pDeleteBitmap)(HBITMAP);

            
                BOOL     (*pDeleteDC)(PHYSDEV);

            
                INT      (*pDescribePixelFormat)(PHYSDEV,INT,UINT,PIXELFORMATDESCRIPTOR *);

            
                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     (*pEnumDeviceFonts)(PHYSDEV,LPLOGFONTW,DEVICEFONTENUMPROC,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     (*pFrameRgn)(PHYSDEV,HRGN,HBRUSH,INT,INT);

            
                LONG     (*pGetBitmapBits)(HBITMAP,void*,LONG);

            
                BOOL     (*pGetCharWidth)(PHYSDEV,UINT,UINT,LPINT);

            
                BOOL     (*pGetDCOrgEx)(PHYSDEV,LPPOINT);

            
                UINT     (*pGetDIBColorTable)(PHYSDEV,UINT,UINT,RGBQUAD*);

            
                INT      (*pGetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPVOID,BITMAPINFO*,UINT);

            
                INT      (*pGetDeviceCaps)(PHYSDEV,INT);

            
                BOOL     (*pGetDeviceGammaRamp)(PHYSDEV,LPVOID);

            
                COLORREF (*pGetNearestColor)(PHYSDEV,COLORREF);

            
                COLORREF (*pGetPixel)(PHYSDEV,INT,INT);

            
                INT      (*pGetPixelFormat)(PHYSDEV);

            
                UINT     (*pGetSystemPaletteEntries)(PHYSDEV,UINT,UINT,LPPALETTEENTRY);

            
                BOOL     (*pGetTextExtentPoint)(PHYSDEV,LPCWSTR,INT,LPSIZE);

            
                BOOL     (*pGetTextMetrics)(PHYSDEV,TEXTMETRICW*);

            
                INT      (*pIntersectClipRect)(PHYSDEV,INT,INT,INT,INT);

            
                BOOL     (*pInvertRgn)(PHYSDEV,HRGN);

            
                BOOL     (*pLineTo)(PHYSDEV,INT,INT);

            
                BOOL     (*pMoveTo)(PHYSDEV,INT,INT);

            
                INT      (*pOffsetClipRgn)(PHYSDEV,INT,INT);

            
                INT      (*pOffsetViewportOrg)(PHYSDEV,INT,INT);

            
                INT      (*pOffsetWindowOrg)(PHYSDEV,INT,INT);

            
                BOOL     (*pPaintRgn)(PHYSDEV,HRGN);

            
                BOOL     (*pPatBlt)(PHYSDEV,INT,INT,INT,INT,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);

            
                UINT     (*pRealizeDefaultPalette)(PHYSDEV);

            
                UINT     (*pRealizePalette)(PHYSDEV,HPALETTE,BOOL);

            
                BOOL     (*pRectangle)(PHYSDEV,INT,INT,INT,INT);

            
                HDC      (*pResetDC)(PHYSDEV,const DEVMODEA*);

            
                BOOL     (*pRestoreDC)(PHYSDEV,INT);

            
                BOOL     (*pRoundRect)(PHYSDEV,INT,INT,INT,INT,INT,INT);

            
                INT      (*pSaveDC)(PHYSDEV);

            
                INT      (*pScaleViewportExt)(PHYSDEV,INT,INT,INT,INT);

            
                INT      (*pScaleWindowExt)(PHYSDEV,INT,INT,INT,INT);

            
                HBITMAP  (*pSelectBitmap)(PHYSDEV,HBITMAP);

            
                HBRUSH   (*pSelectBrush)(PHYSDEV,HBRUSH);

            
                BOOL     (*pSelectClipPath)(PHYSDEV,INT);

            
                HFONT    (*pSelectFont)(PHYSDEV,HFONT);

            
                HPALETTE (*pSelectPalette)(PHYSDEV,HPALETTE,BOOL);

            
                HPEN     (*pSelectPen)(PHYSDEV,HPEN);

            
                LONG     (*pSetBitmapBits)(HBITMAP,const void*,LONG);

            
                COLORREF (*pSetBkColor)(PHYSDEV,COLORREF);

            
                INT      (*pSetBkMode)(PHYSDEV,INT);

            
                DWORD    (*pSetDCOrg)(PHYSDEV,INT,INT);

            
                UINT     (*pSetDIBColorTable)(PHYSDEV,UINT,UINT,const RGBQUAD*);

            
                INT      (*pSetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPCVOID,const BITMAPINFO*,UINT);

            
                INT      (*pSetDIBitsToDevice)(PHYSDEV,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT,LPCVOID,

            
                                               const BITMAPINFO*,UINT);

            
                VOID     (*pSetDeviceClipping)(PHYSDEV,HRGN);

            
                BOOL     (*pSetDeviceGammaRamp)(PHYSDEV,LPVOID);

            
                INT      (*pSetMapMode)(PHYSDEV,INT);

            
                DWORD    (*pSetMapperFlags)(PHYSDEV,DWORD);

            
                COLORREF (*pSetPixel)(PHYSDEV,INT,INT,COLORREF);

            
                BOOL     (*pSetPixelFormat)(PHYSDEV,INT,const PIXELFORMATDESCRIPTOR *);

            
                INT      (*pSetPolyFillMode)(PHYSDEV,INT);

            
                INT      (*pSetROP2)(PHYSDEV,INT);

            
                INT      (*pSetRelAbs)(PHYSDEV,INT);

            
                INT      (*pSetStretchBltMode)(PHYSDEV,INT);

            
                UINT     (*pSetTextAlign)(PHYSDEV,UINT);

            
                INT      (*pSetTextCharacterExtra)(PHYSDEV,INT);

            
                DWORD    (*pSetTextColor)(PHYSDEV,DWORD);

            
                INT      (*pSetTextJustification)(PHYSDEV,INT,INT);

            
                INT      (*pSetViewportExt)(PHYSDEV,INT,INT);

            
                INT      (*pSetViewportOrg)(PHYSDEV,INT,INT);

            
                INT      (*pSetWindowExt)(PHYSDEV,INT,INT);

            
                INT      (*pSetWindowOrg)(PHYSDEV,INT,INT);

            
                INT      (*pStartDoc)(PHYSDEV,const DOCINFOA*);

            
                INT      (*pStartPage)(PHYSDEV);

            
                BOOL     (*pStretchBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,DWORD);

            
                INT      (*pStretchDIBits)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT,const void *,

            
                                           const BITMAPINFO*,UINT,DWORD);

            
                BOOL     (*pStrokeAndFillPath)(PHYSDEV);

            
                BOOL     (*pStrokePath)(PHYSDEV);

            
                BOOL     (*pSwapBuffers)(PHYSDEV);

            
                BOOL     (*pWidenPath)(PHYSDEV);

            
            } DC_FUNCTIONS;


            /* Certain functions will do no further processing if the driver returns this.

            
               Used by mfdrv for example. */

            
            #define GDI_NO_MORE_WORK 2


              /* DC hook codes */

            
            #define DCHC_INVALIDVISRGN      0x0001

            
            #define DCHC_DELETEDC           0x0002


            #define DCHF_INVALIDATEVISRGN   0x0001

            
            #define DCHF_VALIDATEVISRGN     0x0002


              /* DC flags */

            
            #define DC_MEMORY     0x0001   /* It is a memory DC */

            
            #define DC_SAVED      0x0002   /* It is a saved DC */

            
            #define DC_DIRTY      0x0004   /* hVisRgn has to be updated */

            
            #define DC_THUNKHOOK  0x0008   /* DC hook is in the 16-bit code */


            #define GDI_HEAP_SIZE 0xffe0


            /* extra stock object: default 1x1 bitmap for memory DCs */

            
            #define DEFAULT_BITMAP (STOCK_LAST+1)


            /* Metafile defines */


            #define META_EOF 0x0000

            
            /* values of mtType in METAHEADER.  Note however that the disk image of a disk

            
               based metafile has mtType == 1 */

            
            #define METAFILE_MEMORY 1

            
            #define METAFILE_DISK   2


            /* Rounds a floating point number to integer. The world-to-viewport

            
             * transformation process is done in floating point internally. This function

            
             * is then used to round these coordinates to integer values.

            
             */

            
            static inline INT WINE_UNUSED GDI_ROUND(FLOAT val)

            
            {

            
               return (int)floor(val + 0.5);

            
            }


              /* World -> Device size conversion */


            /* Performs a world-to-viewport transformation on the specified width (which

            
             * is in floating point format).

            
             */

            
            static inline void WINE_UNUSED INTERNAL_XWSTODS_FLOAT(DC *dc, FLOAT *width)

            
            {

            
                /* Perform the transformation */

            
                *width = *width * dc->xformWorld2Vport.eM11;

            
            }


            /* Performs a world-to-viewport transformation on the specified width (which

            
             * is in integer format).

            
             */

            
            static inline INT WINE_UNUSED INTERNAL_XWSTODS(DC *dc, INT width)

            
            {

            
                FLOAT floatWidth;


                /* Perform operation with floating point */

            
                floatWidth = (FLOAT)width;

            
                INTERNAL_XWSTODS_FLOAT(dc, &floatWidth);


                /* Round to integers */

            
                return GDI_ROUND(floatWidth);

            
            }


            /* Performs a world-to-viewport transformation on the specified size (which

            
             * is in floating point format).

            
             */

            
            static inline void WINE_UNUSED INTERNAL_YWSTODS_FLOAT(DC *dc, FLOAT *height)

            
            {

            
                /* Perform the transformation */

            
                *height = *height * dc->xformWorld2Vport.eM22;

            
            }


            /* Performs a world-to-viewport transformation on the specified size (which

            
             * is in integer format).

            
             */

            
            static inline INT WINE_UNUSED INTERNAL_YWSTODS(DC *dc, INT height)

            
            {

            
                FLOAT floatHeight;


                /* Perform operation with floating point */

            
                floatHeight = (FLOAT)height;

            
                INTERNAL_YWSTODS_FLOAT(dc, &floatHeight);


                /* Round to integers */

            
                return GDI_ROUND(floatHeight);

            
            }


              /* Device -> World size conversion */


            /* Performs a device to world transformation on the specified width (which

            
             * is in floating point format).

            
             */

            
            static inline void INTERNAL_XDSTOWS_FLOAT(DC *dc, FLOAT *width)

            
            {

            
                /* Perform the transformation */

            
                *width = *width * dc->xformVport2World.eM11;

            
            }


            /* Performs a device to world transformation on the specified width (which

            
             * is in integer format).

            
             */

            
            static inline INT INTERNAL_XDSTOWS(DC *dc, INT width)

            
            {

            
                FLOAT floatWidth;


                /* Perform operation with floating point */

            
                floatWidth = (FLOAT)width;

            
                INTERNAL_XDSTOWS_FLOAT(dc, &floatWidth);


                /* Round to integers */

            
                return GDI_ROUND(floatWidth);

            
            }


            /* Performs a device to world transformation on the specified size (which

            
             * is in floating point format).

            
             */

            
            static inline void INTERNAL_YDSTOWS_FLOAT(DC *dc, FLOAT *height)

            
            {

            
                /* Perform the transformation */

            
                *height = *height * dc->xformVport2World.eM22;

            
            }


            /* Performs a device to world transformation on the specified size (which

            
             * is in integer format).

            
             */

            
            static inline INT INTERNAL_YDSTOWS(DC *dc, INT height)

            
            {

            
                FLOAT floatHeight;


                /* Perform operation with floating point */

            
                floatHeight = (FLOAT)height;

            
                INTERNAL_YDSTOWS_FLOAT(dc, &floatHeight);


                /* Round to integers */

            
                return GDI_ROUND(floatHeight);

            
            }


              /* Device <-> logical size conversion */


            #define XDSTOLS(dc,x) \

            
                MulDiv((x), (dc)->wndExtX, (dc)->vportExtX)

            
            #define YDSTOLS(dc,y) \

            
                MulDiv((y), (dc)->wndExtY, (dc)->vportExtY)

            
            #define XLSTODS(dc,x) \

            
                MulDiv((x), (dc)->vportExtX, (dc)->wndExtX)

            
            #define YLSTODS(dc,y) \

            
                MulDiv((y), (dc)->vportExtY, (dc)->wndExtY)


              /* GDI local heap */


            extern BOOL GDI_Init(void);

            
            extern void *GDI_AllocObject( WORD, WORD, HGDIOBJ *, const struct gdi_obj_funcs *funcs );

            
            extern void *GDI_ReallocObject( WORD, HGDIOBJ, void *obj );

            
            extern BOOL GDI_FreeObject( HGDIOBJ, void *obj );

            
            extern void *GDI_GetObjPtr( HGDIOBJ, WORD );

            
            extern void GDI_ReleaseObj( HGDIOBJ );

            
            extern void GDI_CheckNotLock(void);


            extern const DC_FUNCTIONS *DRIVER_load_driver( LPCSTR name );

            
            extern const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs );

            
            extern void DRIVER_release_driver( const DC_FUNCTIONS *funcs );

            
            extern BOOL DRIVER_GetDriverName( LPCSTR device, LPSTR driver, DWORD size );


            extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut );


            extern DC * DC_AllocDC( const DC_FUNCTIONS *funcs );

            
            extern DC * DC_GetDCPtr( HDC hdc );

            
            extern DC * DC_GetDCUpdate( HDC hdc );

            
            extern void DC_InitDC( DC * dc );

            
            extern void DC_UpdateXforms( DC * dc );


            /* clipping.c */

            
            extern void CLIPPING_UpdateGCRegion( DC * dc );


            /* enhmetafile.c */

            
            extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk );


            /* metafile.c */

            
            extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh);

            
            extern HMETAFILE16 MF_Create_HMETAFILE16(METAHEADER *mh);

            
            extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCSTR filename);


            /* region.c */

            
            extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y );


            /* palette.c */

            
            extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg);

            
            extern UINT WINAPI GDIRealizePalette( HDC hdc );


            #define WINE_GGO_GRAY16_BITMAP 0x7f


            #endif  /* __WINE_GDI_H */
	/*
	* GDI definitions
	*
	* Copyright 1993 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

	#ifndef __WINE_GDI_H
	#define __WINE_GDI_H

	#include "windef.h"
	#include "wingdi.h"
	#include "wine/wingdi16.h"
	#include "path.h"
	#include <math.h>

	/* GDI objects magic numbers */
	#define FIRST_MAGIC 0x4f47
	#define PEN_MAGIC 0x4f47
	#define BRUSH_MAGIC 0x4f48
	#define FONT_MAGIC 0x4f49
	#define PALETTE_MAGIC 0x4f4a
	#define BITMAP_MAGIC 0x4f4b
	#define REGION_MAGIC 0x4f4c
	#define DC_MAGIC 0x4f4d
	#define DISABLED_DC_MAGIC 0x4f4e
	#define META_DC_MAGIC 0x4f4f
	#define METAFILE_MAGIC 0x4f50
	#define METAFILE_DC_MAGIC 0x4f51
	#define ENHMETAFILE_MAGIC 0x4f52
	#define ENHMETAFILE_DC_MAGIC 0x4f53
	#define LAST_MAGIC 0x4f53

	#define MAGIC_DONTCARE 0xffff

	/* GDI constants for making objects private/system (naming undoc. !) */
	#define OBJECT_PRIVATE 0x2000
	#define OBJECT_NOSYSTEM 0x8000

	#define GDIMAGIC(magic) ((magic) & ~(OBJECT_PRIVATE\|OBJECT_NOSYSTEM))

	struct gdi_obj_funcs
	{
	HGDIOBJ (pSelectObject)( HGDIOBJ handle, void obj, HDC hdc );
	INT (pGetObject16)( HGDIOBJ handle, void obj, INT count, LPVOID buffer );
	INT (pGetObjectA)( HGDIOBJ handle, void obj, INT count, LPVOID buffer );
	INT (pGetObjectW)( HGDIOBJ handle, void obj, INT count, LPVOID buffer );
	BOOL (pUnrealizeObject)( HGDIOBJ handle, void obj );
	BOOL (pDeleteObject)( HGDIOBJ handle, void obj );
	};

	typedef struct tagGDIOBJHDR
	{
	HANDLE16 hNext;
	WORD wMagic;
	DWORD dwCount;
	const struct gdi_obj_funcs *funcs;
	} GDIOBJHDR;


	typedef struct tagGdiFont *GdiFont;

	typedef struct { int opaque; } PHYSDEV; / PHYSDEV is an opaque pointer */

	typedef struct tagDC
	{
	GDIOBJHDR header;
	HDC hSelf; /* Handle to this DC */
	const struct tagDC_FUNCS funcs; / DC function table */
	PHYSDEV physDev; /* Physical device (driver-specific) */
	INT saveLevel;
	DWORD dwHookData;
	FARPROC16 hookProc; /* the original SEGPTR ... */
	DCHOOKPROC hookThunk; /* ... and the thunk to call it */

	INT wndOrgX; /* Window origin */
	INT wndOrgY;
	INT wndExtX; /* Window extent */
	INT wndExtY;
	INT vportOrgX; /* Viewport origin */
	INT vportOrgY;
	INT vportExtX; /* Viewport extent */
	INT vportExtY;

	int flags;
	HRGN hClipRgn; /* Clip region (may be 0) */
	HRGN hVisRgn; /* Visible region (must never be 0) */
	HRGN hGCClipRgn; /* GC clip region (ClipRgn AND VisRgn) */
	HPEN hPen;
	HBRUSH hBrush;
	HFONT hFont;
	HBITMAP hBitmap;
	HANDLE hDevice;
	HPALETTE hPalette;

	GdiFont gdiFont;
	GdiPath path;

	WORD ROPmode;
	WORD polyFillMode;
	WORD stretchBltMode;
	WORD relAbsMode;
	WORD backgroundMode;
	COLORREF backgroundColor;
	COLORREF textColor;
	short brushOrgX;
	short brushOrgY;

	WORD textAlign; /* Text alignment from SetTextAlign() */
	short charExtra; /* Spacing from SetTextCharacterExtra() */
	short breakTotalExtra; /* Total extra space for justification */
	short breakCount; /* Break char. count */
	short breakExtra; /* breakTotalExtra / breakCount */
	short breakRem; /* breakTotalExtra % breakCount */

	RECT totalExtent;
	BYTE bitsPerPixel;

	INT MapMode;
	INT GraphicsMode; /* Graphics mode */
	ABORTPROC pAbortProc; /* AbortProc for Printing */
	ABORTPROC16 pAbortProc16;
	INT CursPosX; /* Current position */
	INT CursPosY;
	INT ArcDirection;
	XFORM xformWorld2Wnd; /* World-to-window transformation */
	XFORM xformWorld2Vport; /* World-to-viewport transformation */
	XFORM xformVport2World; /* Inverse of the above transformation */
	BOOL vport2WorldValid; /* Is xformVport2World valid? */
	} DC;

	/* Device functions for the Wine driver interface */

	typedef INT (*DEVICEFONTENUMPROC)(LPENUMLOGFONTEXW,LPNEWTEXTMETRICEXW,DWORD,
	LPARAM);

	typedef struct tagDC_FUNCS
	{
	INT (*pAbortDoc)(PHYSDEV);
	BOOL (*pAbortPath)(PHYSDEV);
	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);
	BOOL (*pBitBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,DWORD);
	INT (pChoosePixelFormat)(PHYSDEV,const PIXELFORMATDESCRIPTOR );
	BOOL (*pChord)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
	BOOL (*pCloseFigure)(PHYSDEV);
	BOOL (*pCreateBitmap)(PHYSDEV,HBITMAP);
	BOOL (pCreateDC)(DC ,PHYSDEV ,LPCSTR,LPCSTR,LPCSTR,const DEVMODEA);
	HBITMAP (pCreateDIBSection)(PHYSDEV,BITMAPINFO ,UINT,LPVOID *,HANDLE,DWORD,DWORD);
	BOOL (*pDeleteBitmap)(HBITMAP);
	BOOL (*pDeleteDC)(PHYSDEV);
	INT (pDescribePixelFormat)(PHYSDEV,INT,UINT,PIXELFORMATDESCRIPTOR );
	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 (*pEnumDeviceFonts)(PHYSDEV,LPLOGFONTW,DEVICEFONTENUMPROC,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 (*pFrameRgn)(PHYSDEV,HRGN,HBRUSH,INT,INT);
	LONG (pGetBitmapBits)(HBITMAP,void,LONG);
	BOOL (*pGetCharWidth)(PHYSDEV,UINT,UINT,LPINT);
	BOOL (*pGetDCOrgEx)(PHYSDEV,LPPOINT);
	UINT (pGetDIBColorTable)(PHYSDEV,UINT,UINT,RGBQUAD);
	INT (pGetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPVOID,BITMAPINFO,UINT);
	INT (*pGetDeviceCaps)(PHYSDEV,INT);
	BOOL (*pGetDeviceGammaRamp)(PHYSDEV,LPVOID);
	COLORREF (*pGetNearestColor)(PHYSDEV,COLORREF);
	COLORREF (*pGetPixel)(PHYSDEV,INT,INT);
	INT (*pGetPixelFormat)(PHYSDEV);
	UINT (*pGetSystemPaletteEntries)(PHYSDEV,UINT,UINT,LPPALETTEENTRY);
	BOOL (*pGetTextExtentPoint)(PHYSDEV,LPCWSTR,INT,LPSIZE);
	BOOL (pGetTextMetrics)(PHYSDEV,TEXTMETRICW);
	INT (*pIntersectClipRect)(PHYSDEV,INT,INT,INT,INT);
	BOOL (*pInvertRgn)(PHYSDEV,HRGN);
	BOOL (*pLineTo)(PHYSDEV,INT,INT);
	BOOL (*pMoveTo)(PHYSDEV,INT,INT);
	INT (*pOffsetClipRgn)(PHYSDEV,INT,INT);
	INT (*pOffsetViewportOrg)(PHYSDEV,INT,INT);
	INT (*pOffsetWindowOrg)(PHYSDEV,INT,INT);
	BOOL (*pPaintRgn)(PHYSDEV,HRGN);
	BOOL (*pPatBlt)(PHYSDEV,INT,INT,INT,INT,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);
	UINT (*pRealizeDefaultPalette)(PHYSDEV);
	UINT (*pRealizePalette)(PHYSDEV,HPALETTE,BOOL);
	BOOL (*pRectangle)(PHYSDEV,INT,INT,INT,INT);
	HDC (pResetDC)(PHYSDEV,const DEVMODEA);
	BOOL (*pRestoreDC)(PHYSDEV,INT);
	BOOL (*pRoundRect)(PHYSDEV,INT,INT,INT,INT,INT,INT);
	INT (*pSaveDC)(PHYSDEV);
	INT (*pScaleViewportExt)(PHYSDEV,INT,INT,INT,INT);
	INT (*pScaleWindowExt)(PHYSDEV,INT,INT,INT,INT);
	HBITMAP (*pSelectBitmap)(PHYSDEV,HBITMAP);
	HBRUSH (*pSelectBrush)(PHYSDEV,HBRUSH);
	BOOL (*pSelectClipPath)(PHYSDEV,INT);
	HFONT (*pSelectFont)(PHYSDEV,HFONT);
	HPALETTE (*pSelectPalette)(PHYSDEV,HPALETTE,BOOL);
	HPEN (*pSelectPen)(PHYSDEV,HPEN);
	LONG (pSetBitmapBits)(HBITMAP,const void,LONG);
	COLORREF (*pSetBkColor)(PHYSDEV,COLORREF);
	INT (*pSetBkMode)(PHYSDEV,INT);
	DWORD (*pSetDCOrg)(PHYSDEV,INT,INT);
	UINT (pSetDIBColorTable)(PHYSDEV,UINT,UINT,const RGBQUAD);
	INT (pSetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPCVOID,const BITMAPINFO,UINT);
	INT (*pSetDIBitsToDevice)(PHYSDEV,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT,LPCVOID,
	const BITMAPINFO*,UINT);
	VOID (*pSetDeviceClipping)(PHYSDEV,HRGN);
	BOOL (*pSetDeviceGammaRamp)(PHYSDEV,LPVOID);
	INT (*pSetMapMode)(PHYSDEV,INT);
	DWORD (*pSetMapperFlags)(PHYSDEV,DWORD);
	COLORREF (*pSetPixel)(PHYSDEV,INT,INT,COLORREF);
	BOOL (pSetPixelFormat)(PHYSDEV,INT,const PIXELFORMATDESCRIPTOR );
	INT (*pSetPolyFillMode)(PHYSDEV,INT);
	INT (*pSetROP2)(PHYSDEV,INT);
	INT (*pSetRelAbs)(PHYSDEV,INT);
	INT (*pSetStretchBltMode)(PHYSDEV,INT);
	UINT (*pSetTextAlign)(PHYSDEV,UINT);
	INT (*pSetTextCharacterExtra)(PHYSDEV,INT);
	DWORD (*pSetTextColor)(PHYSDEV,DWORD);
	INT (*pSetTextJustification)(PHYSDEV,INT,INT);
	INT (*pSetViewportExt)(PHYSDEV,INT,INT);
	INT (*pSetViewportOrg)(PHYSDEV,INT,INT);
	INT (*pSetWindowExt)(PHYSDEV,INT,INT);
	INT (*pSetWindowOrg)(PHYSDEV,INT,INT);
	INT (pStartDoc)(PHYSDEV,const DOCINFOA);
	INT (*pStartPage)(PHYSDEV);
	BOOL (*pStretchBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,DWORD);
	INT (pStretchDIBits)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT,const void ,
	const BITMAPINFO*,UINT,DWORD);
	BOOL (*pStrokeAndFillPath)(PHYSDEV);
	BOOL (*pStrokePath)(PHYSDEV);
	BOOL (*pSwapBuffers)(PHYSDEV);
	BOOL (*pWidenPath)(PHYSDEV);
	} DC_FUNCTIONS;

	/* Certain functions will do no further processing if the driver returns this.
	Used by mfdrv for example. */
	#define GDI_NO_MORE_WORK 2

	/* DC hook codes */
	#define DCHC_INVALIDVISRGN 0x0001
	#define DCHC_DELETEDC 0x0002

	#define DCHF_INVALIDATEVISRGN 0x0001
	#define DCHF_VALIDATEVISRGN 0x0002

	/* DC flags */
	#define DC_MEMORY 0x0001 /* It is a memory DC */
	#define DC_SAVED 0x0002 /* It is a saved DC */
	#define DC_DIRTY 0x0004 /* hVisRgn has to be updated */
	#define DC_THUNKHOOK 0x0008 /* DC hook is in the 16-bit code */

	#define GDI_HEAP_SIZE 0xffe0

	/* extra stock object: default 1x1 bitmap for memory DCs */
	#define DEFAULT_BITMAP (STOCK_LAST+1)

	/* Metafile defines */

	#define META_EOF 0x0000
	/* values of mtType in METAHEADER. Note however that the disk image of a disk
	based metafile has mtType == 1 */
	#define METAFILE_MEMORY 1
	#define METAFILE_DISK 2

	/* Rounds a floating point number to integer. The world-to-viewport
	* transformation process is done in floating point internally. This function
	* is then used to round these coordinates to integer values.
	*/
	static inline INT WINE_UNUSED GDI_ROUND(FLOAT val)
	{
	return (int)floor(val + 0.5);
	}

	/* World -> Device size conversion */

	/* Performs a world-to-viewport transformation on the specified width (which
	* is in floating point format).
	*/
	static inline void WINE_UNUSED INTERNAL_XWSTODS_FLOAT(DC dc, FLOAT width)
	{
	/* Perform the transformation */
	width = width * dc->xformWorld2Vport.eM11;
	}

	/* Performs a world-to-viewport transformation on the specified width (which
	* is in integer format).
	*/
	static inline INT WINE_UNUSED INTERNAL_XWSTODS(DC *dc, INT width)
	{
	FLOAT floatWidth;

	/* Perform operation with floating point */
	floatWidth = (FLOAT)width;
	INTERNAL_XWSTODS_FLOAT(dc, &floatWidth);

	/* Round to integers */
	return GDI_ROUND(floatWidth);
	}


	/* Performs a world-to-viewport transformation on the specified size (which
	* is in floating point format).
	*/
	static inline void WINE_UNUSED INTERNAL_YWSTODS_FLOAT(DC dc, FLOAT height)
	{
	/* Perform the transformation */
	height = height * dc->xformWorld2Vport.eM22;
	}

	/* Performs a world-to-viewport transformation on the specified size (which
	* is in integer format).
	*/
	static inline INT WINE_UNUSED INTERNAL_YWSTODS(DC *dc, INT height)
	{
	FLOAT floatHeight;

	/* Perform operation with floating point */
	floatHeight = (FLOAT)height;
	INTERNAL_YWSTODS_FLOAT(dc, &floatHeight);

	/* Round to integers */
	return GDI_ROUND(floatHeight);
	}


	/* Device -> World size conversion */

	/* Performs a device to world transformation on the specified width (which
	* is in floating point format).
	*/
	static inline void INTERNAL_XDSTOWS_FLOAT(DC dc, FLOAT width)
	{
	/* Perform the transformation */
	width = width * dc->xformVport2World.eM11;
	}

	/* Performs a device to world transformation on the specified width (which
	* is in integer format).
	*/
	static inline INT INTERNAL_XDSTOWS(DC *dc, INT width)
	{
	FLOAT floatWidth;

	/* Perform operation with floating point */
	floatWidth = (FLOAT)width;
	INTERNAL_XDSTOWS_FLOAT(dc, &floatWidth);

	/* Round to integers */
	return GDI_ROUND(floatWidth);
	}


	/* Performs a device to world transformation on the specified size (which
	* is in floating point format).
	*/
	static inline void INTERNAL_YDSTOWS_FLOAT(DC dc, FLOAT height)
	{
	/* Perform the transformation */
	height = height * dc->xformVport2World.eM22;
	}

	/* Performs a device to world transformation on the specified size (which
	* is in integer format).
	*/
	static inline INT INTERNAL_YDSTOWS(DC *dc, INT height)
	{
	FLOAT floatHeight;

	/* Perform operation with floating point */
	floatHeight = (FLOAT)height;
	INTERNAL_YDSTOWS_FLOAT(dc, &floatHeight);

	/* Round to integers */
	return GDI_ROUND(floatHeight);
	}


	/* Device <-> logical size conversion */

	#define XDSTOLS(dc,x) \
	MulDiv((x), (dc)->wndExtX, (dc)->vportExtX)
	#define YDSTOLS(dc,y) \
	MulDiv((y), (dc)->wndExtY, (dc)->vportExtY)
	#define XLSTODS(dc,x) \
	MulDiv((x), (dc)->vportExtX, (dc)->wndExtX)
	#define YLSTODS(dc,y) \
	MulDiv((y), (dc)->vportExtY, (dc)->wndExtY)

	/* GDI local heap */

	extern BOOL GDI_Init(void);
	extern void GDI_AllocObject( WORD, WORD, HGDIOBJ , const struct gdi_obj_funcs *funcs );
	extern void GDI_ReallocObject( WORD, HGDIOBJ, void obj );
	extern BOOL GDI_FreeObject( HGDIOBJ, void *obj );
	extern void *GDI_GetObjPtr( HGDIOBJ, WORD );
	extern void GDI_ReleaseObj( HGDIOBJ );
	extern void GDI_CheckNotLock(void);

	extern const DC_FUNCTIONS *DRIVER_load_driver( LPCSTR name );
	extern const DC_FUNCTIONS DRIVER_get_driver( const DC_FUNCTIONS funcs );
	extern void DRIVER_release_driver( const DC_FUNCTIONS *funcs );
	extern BOOL DRIVER_GetDriverName( LPCSTR device, LPSTR driver, DWORD size );

	extern POINT GDI_Bezier( const POINT Points, INT count, INT *nPtsOut );

	extern DC * DC_AllocDC( const DC_FUNCTIONS *funcs );
	extern DC * DC_GetDCPtr( HDC hdc );
	extern DC * DC_GetDCUpdate( HDC hdc );
	extern void DC_InitDC( DC * dc );
	extern void DC_UpdateXforms( DC * dc );

	/* clipping.c */
	extern void CLIPPING_UpdateGCRegion( DC * dc );

	/* enhmetafile.c */
	extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk );

	/* metafile.c */
	extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh);
	extern HMETAFILE16 MF_Create_HMETAFILE16(METAHEADER *mh);
	extern METAHEADER MF_CreateMetaHeaderDisk(METAHEADER mr, LPCSTR filename);

	/* region.c */
	extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y );

	/* palette.c */
	extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg);
	extern UINT WINAPI GDIRealizePalette( HDC hdc );

	#define WINE_GGO_GRAY16_BITMAP 0x7f

	#endif /* __WINE_GDI_H */