/* * 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 /* 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)) typedef struct tagGDIOBJHDR { HANDLE16 hNext; WORD wMagic; DWORD dwCount; } GDIOBJHDR; typedef struct tagGdiFont *GdiFont; typedef struct tagDC { GDIOBJHDR header; HDC hSelf; /* Handle to this DC */ const struct tagDC_FUNCS *funcs; /* DC function table */ void *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; HRGN16 hClipRgn; /* Clip region (may be 0) */ HRGN16 hVisRgn; /* Visible region (must never be 0) */ HRGN16 hGCClipRgn; /* GC clip region (ClipRgn AND VisRgn) */ HPEN16 hPen; HBRUSH16 hBrush; HFONT16 hFont; HBITMAP16 hBitmap; HANDLE16 hDevice; HPALETTE16 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 */ INT DCOrgX; /* DC origin */ INT DCOrgY; 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)(DC*); BOOL (*pAbortPath)(DC*); BOOL (*pAngleArc)(DC*,INT,INT,DWORD,FLOAT,FLOAT); BOOL (*pArc)(DC*,INT,INT,INT,INT,INT,INT,INT,INT); BOOL (*pArcTo)(DC*,INT,INT,INT,INT,INT,INT,INT,INT); BOOL (*pBeginPath)(DC*); BOOL (*pBitBlt)(DC*,INT,INT,INT,INT,DC*,INT,INT,DWORD); LONG (*pBitmapBits)(HBITMAP,void*,LONG,WORD); INT (*pChoosePixelFormat)(DC*,const PIXELFORMATDESCRIPTOR *); BOOL (*pChord)(DC*,INT,INT,INT,INT,INT,INT,INT,INT); BOOL (*pCloseFigure)(DC*); BOOL (*pCreateBitmap)(HBITMAP); BOOL (*pCreateDC)(DC*,LPCSTR,LPCSTR,LPCSTR,const DEVMODEA*); HBITMAP (*pCreateDIBSection)(DC *,BITMAPINFO *,UINT,LPVOID *,HANDLE, DWORD,DWORD); BOOL (*pDeleteDC)(DC*); BOOL (*pDeleteObject)(HGDIOBJ); INT (*pDescribePixelFormat)(DC *,INT,UINT,PIXELFORMATDESCRIPTOR *); DWORD (*pDeviceCapabilities)(LPSTR,LPCSTR,LPCSTR,WORD,LPSTR,LPDEVMODEA); BOOL (*pEllipse)(DC*,INT,INT,INT,INT); INT (*pEndDoc)(DC*); INT (*pEndPage)(DC*); BOOL (*pEndPath)(DC*); BOOL (*pEnumDeviceFonts)(HDC,LPLOGFONTW,DEVICEFONTENUMPROC,LPARAM); INT (*pExcludeClipRect)(DC*,INT,INT,INT,INT); INT (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD); INT (*pExtEscape)(DC*,INT,INT,LPCVOID,INT,LPVOID); BOOL (*pExtFloodFill)(DC*,INT,INT,COLORREF,UINT); BOOL (*pExtTextOut)(DC*,INT,INT,UINT,const RECT*,LPCWSTR,UINT, const INT*); BOOL (*pFillPath)(DC*); BOOL (*pFillRgn)(DC*,HRGN,HBRUSH); BOOL (*pFlattenPath)(DC*); BOOL (*pFrameRgn)(DC*,HRGN,HBRUSH,INT,INT); BOOL (*pGetCharWidth)(DC*,UINT,UINT,LPINT); BOOL (*pGetDCOrgEx)(DC*,LPPOINT); INT (*pGetDeviceCaps)(DC*,INT); BOOL (*pGetDeviceGammaRamp)(DC*,LPVOID); COLORREF (*pGetPixel)(DC*,INT,INT); INT (*pGetPixelFormat)(DC*); BOOL (*pGetTextExtentPoint)(DC*,LPCWSTR,INT,LPSIZE); BOOL (*pGetTextMetrics)(DC*,TEXTMETRICW*); INT (*pIntersectClipRect)(DC*,INT,INT,INT,INT); BOOL (*pInvertRgn)(DC*,HRGN); BOOL (*pLineTo)(DC*,INT,INT); BOOL (*pMoveTo)(DC*,INT,INT); INT (*pOffsetClipRgn)(DC*,INT,INT); BOOL (*pOffsetViewportOrg)(DC*,INT,INT); BOOL (*pOffsetWindowOrg)(DC*,INT,INT); BOOL (*pPaintRgn)(DC*,HRGN); BOOL (*pPatBlt)(DC*,INT,INT,INT,INT,DWORD); BOOL (*pPie)(DC*,INT,INT,INT,INT,INT,INT,INT,INT); BOOL (*pPolyBezier)(DC*,const POINT*,DWORD); BOOL (*pPolyBezierTo)(DC*,const POINT*,DWORD); BOOL (*pPolyDraw)(DC*,const POINT*,const BYTE *,DWORD); BOOL (*pPolyPolygon)(DC*,const POINT*,const INT*,UINT); BOOL (*pPolyPolyline)(DC*,const POINT*,const DWORD*,DWORD); BOOL (*pPolygon)(DC*,const POINT*,INT); BOOL (*pPolyline)(DC*,const POINT*,INT); BOOL (*pPolylineTo)(DC*,const POINT*,INT); UINT (*pRealizePalette)(DC*); BOOL (*pRectangle)(DC*,INT,INT,INT,INT); BOOL (*pRestoreDC)(DC*,INT); BOOL (*pRoundRect)(DC*,INT,INT,INT,INT,INT,INT); INT (*pSaveDC)(DC*); BOOL (*pScaleViewportExt)(DC*,INT,INT,INT,INT); BOOL (*pScaleWindowExt)(DC*,INT,INT,INT,INT); BOOL (*pSelectClipPath)(DC*,INT); INT (*pSelectClipRgn)(DC*,HRGN); HANDLE (*pSelectObject)(DC*,HANDLE); HPALETTE (*pSelectPalette)(DC*,HPALETTE,BOOL); COLORREF (*pSetBkColor)(DC*,COLORREF); INT (*pSetBkMode)(DC*,INT); VOID (*pSetDeviceClipping)(DC*); BOOL (*pSetDeviceGammaRamp)(DC*,LPVOID); INT (*pSetDIBitsToDevice)(DC*,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT, LPCVOID,const BITMAPINFO*,UINT); INT (*pSetMapMode)(DC*,INT); DWORD (*pSetMapperFlags)(DC*,DWORD); COLORREF (*pSetPixel)(DC*,INT,INT,COLORREF); BOOL (*pSetPixelFormat)(DC*,INT,const PIXELFORMATDESCRIPTOR *); INT (*pSetPolyFillMode)(DC*,INT); INT (*pSetROP2)(DC*,INT); INT (*pSetRelAbs)(DC*,INT); INT (*pSetStretchBltMode)(DC*,INT); UINT (*pSetTextAlign)(DC*,UINT); INT (*pSetTextCharacterExtra)(DC*,INT); DWORD (*pSetTextColor)(DC*,DWORD); INT (*pSetTextJustification)(DC*,INT,INT); BOOL (*pSetViewportExt)(DC*,INT,INT); BOOL (*pSetViewportOrg)(DC*,INT,INT); BOOL (*pSetWindowExt)(DC*,INT,INT); BOOL (*pSetWindowOrg)(DC*,INT,INT); INT (*pStartDoc)(DC*,const DOCINFOA*); INT (*pStartPage)(DC*); BOOL (*pStretchBlt)(DC*,INT,INT,INT,INT,DC*,INT,INT,INT,INT,DWORD); INT (*pStretchDIBits)(DC*,INT,INT,INT,INT,INT,INT,INT,INT, const void *,const BITMAPINFO *,UINT,DWORD); BOOL (*pStrokeAndFillPath)(DC*); BOOL (*pStrokePath)(DC*); BOOL (*pSwapBuffers)(DC*); BOOL (*pWidenPath)(DC*); } DC_FUNCTIONS; /* 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) /* Device <-> logical coords conversion */ /* A floating point version of the POINT structure */ typedef struct tagFLOAT_POINT { FLOAT x, y; } FLOAT_POINT; /* 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); } /* Performs a viewport-to-world transformation on the specified point (which * is in floating point format). Returns TRUE if successful, else FALSE. */ static inline BOOL WINE_UNUSED INTERNAL_DPTOLP_FLOAT(DC *dc, FLOAT_POINT *point) { FLOAT x, y; /* Check that the viewport-to-world transformation is valid */ if (!dc->vport2WorldValid) return FALSE; /* Perform the transformation */ x = point->x; y = point->y; point->x = x * dc->xformVport2World.eM11 + y * dc->xformVport2World.eM21 + dc->xformVport2World.eDx; point->y = x * dc->xformVport2World.eM12 + y * dc->xformVport2World.eM22 + dc->xformVport2World.eDy; return TRUE; } /* Performs a viewport-to-world transformation on the specified point (which * is in integer format). Returns TRUE if successful, else FALSE. */ static inline BOOL WINE_UNUSED INTERNAL_DPTOLP(DC *dc, LPPOINT point) { FLOAT_POINT floatPoint; /* Perform operation with floating point */ floatPoint.x=(FLOAT)point->x; floatPoint.y=(FLOAT)point->y; if (!INTERNAL_DPTOLP_FLOAT(dc, &floatPoint)) return FALSE; /* Round to integers */ point->x = GDI_ROUND(floatPoint.x); point->y = GDI_ROUND(floatPoint.y); return TRUE; } /* Performs a world-to-viewport transformation on the specified point (which * is in floating point format). */ static inline void WINE_UNUSED INTERNAL_LPTODP_FLOAT(DC *dc, FLOAT_POINT *point) { FLOAT x, y; /* Perform the transformation */ x = point->x; y = point->y; point->x = x * dc->xformWorld2Vport.eM11 + y * dc->xformWorld2Vport.eM21 + dc->xformWorld2Vport.eDx; point->y = x * dc->xformWorld2Vport.eM12 + y * dc->xformWorld2Vport.eM22 + dc->xformWorld2Vport.eDy; } /* Performs a world-to-viewport transformation on the specified point (which * is in integer format). */ static inline void WINE_UNUSED INTERNAL_LPTODP(DC *dc, LPPOINT point) { FLOAT_POINT floatPoint; /* Perform operation with floating point */ floatPoint.x=(FLOAT)point->x; floatPoint.y=(FLOAT)point->y; INTERNAL_LPTODP_FLOAT(dc, &floatPoint); /* Round to integers */ point->x = GDI_ROUND(floatPoint.x); point->y = GDI_ROUND(floatPoint.y); } /* Performs a world-to-viewport transformation on the specified point (which * is in integer format). */ static inline INT WINE_UNUSED INTERNAL_XWPTODP(DC *dc, INT x, INT y) { FLOAT_POINT floatPoint; /* Perform operation with floating point */ floatPoint.x=(FLOAT)x; floatPoint.y=(FLOAT)y; INTERNAL_LPTODP_FLOAT(dc, &floatPoint); /* Round to integers */ return GDI_ROUND(floatPoint.x); } /* Performs a world-to-viewport transformation on the specified point (which * is in integer format). */ static inline INT WINE_UNUSED INTERNAL_YWPTODP(DC *dc, INT x, INT y) { FLOAT_POINT floatPoint; /* Perform operation with floating point */ floatPoint.x=(FLOAT)x; floatPoint.y=(FLOAT)y; INTERNAL_LPTODP_FLOAT(dc, &floatPoint); /* Round to integers */ return GDI_ROUND(floatPoint.y); } /* Performs a viewport-to-world transformation on the specified point (which * is in integer format). */ static inline INT WINE_UNUSED INTERNAL_XDPTOWP(DC *dc, INT x, INT y) { FLOAT_POINT floatPoint; /* Perform operation with floating point */ floatPoint.x=(FLOAT)x; floatPoint.y=(FLOAT)y; INTERNAL_DPTOLP_FLOAT(dc, &floatPoint); /* Round to integers */ return GDI_ROUND(floatPoint.x); } /* Performs a viewport-to-world transformation on the specified point (which * is in integer format). */ static inline INT WINE_UNUSED INTERNAL_YDPTOWP(DC *dc, INT x, INT y) { FLOAT_POINT floatPoint; /* Perform operation with floating point */ floatPoint.x=(FLOAT)x; floatPoint.y=(FLOAT)y; INTERNAL_DPTOLP_FLOAT(dc, &floatPoint); /* Round to integers */ return GDI_ROUND(floatPoint.y); } #define XDPTOLP(dc,x) \ (MulDiv(((x)-(dc)->vportOrgX), (dc)->wndExtX, (dc)->vportExtX) + (dc)->wndOrgX) #define YDPTOLP(dc,y) \ (MulDiv(((y)-(dc)->vportOrgY), (dc)->wndExtY, (dc)->vportExtY) + (dc)->wndOrgY) #define XLPTODP(dc,x) \ (MulDiv(((x)-(dc)->wndOrgX), (dc)->vportExtX, (dc)->wndExtX) + (dc)->vportOrgX) #define YLPTODP(dc,y) \ (MulDiv(((y)-(dc)->wndOrgY), (dc)->vportExtY, (dc)->wndExtY) + (dc)->vportOrgY) /* 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 <-> 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 * ); 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 ); #define CLIP_INTERSECT 0x0001 #define CLIP_EXCLUDE 0x0002 #define CLIP_KEEPRGN 0x0004 /* objects/clipping.c */ INT CLIPPING_IntersectClipRect( DC * dc, INT left, INT top, INT right, INT bottom, UINT flags ); INT CLIPPING_IntersectVisRect( DC * dc, INT left, INT top, INT right, INT bottom, BOOL exclude ); extern void CLIPPING_UpdateGCRegion( DC * dc ); /* objects/enhmetafile.c */ extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ); #define WINE_GGO_GRAY16_BITMAP 0x7f #endif /* __WINE_GDI_H */