/* * GDI definitions * * Copyright 1993 Alexandre Julliard */ #ifndef __WINE_GDI_H #define __WINE_GDI_H #include "config.h" #include "windef.h" #include "wingdi.h" #include "wine/wingdi16.h" #include "ldt.h" #include "local.h" #include "path.h" #include /* GDI objects magic numbers */ #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 MAGIC_DONTCARE 0xffff typedef struct tagGDIOBJHDR { HANDLE16 hNext; WORD wMagic; DWORD dwCount; } GDIOBJHDR; typedef struct tagDeviceCaps { WORD version; /* 0: driver version */ WORD technology; /* 2: device technology */ WORD horzSize; /* 4: width of display in mm */ WORD vertSize; /* 6: height of display in mm */ WORD horzRes; /* 8: width of display in pixels */ WORD vertRes; /* 10: width of display in pixels */ WORD bitsPixel; /* 12: bits per pixel */ WORD planes; /* 14: color planes */ WORD numBrushes; /* 16: device-specific brushes */ WORD numPens; /* 18: device-specific pens */ WORD numMarkers; /* 20: device-specific markers */ WORD numFonts; /* 22: device-specific fonts */ WORD numColors; /* 24: size of color table */ WORD pdeviceSize; /* 26: size of PDEVICE structure */ WORD curveCaps; /* 28: curve capabilities */ WORD lineCaps; /* 30: line capabilities */ WORD polygonalCaps; /* 32: polygon capabilities */ WORD textCaps; /* 34: text capabilities */ WORD clipCaps; /* 36: clipping capabilities */ WORD rasterCaps; /* 38: raster capabilities */ WORD aspectX; /* 40: relative width of device pixel */ WORD aspectY; /* 42: relative height of device pixel */ WORD aspectXY; /* 44: relative diagonal width of device pixel */ WORD pad1[21]; /* 46-86: reserved */ WORD logPixelsX; /* 88: pixels / logical X inch */ WORD logPixelsY; /* 90: pixels / logical Y inch */ WORD pad2[6]; /* 92-102: reserved */ WORD sizePalette; /* 104: entries in system palette */ WORD numReserved; /* 106: reserved entries */ WORD colorRes; /* 108: color resolution */ } DeviceCaps; typedef struct tagGDI_DRIVER { BOOL (*pInitialize)(void); void (*pFinalize)(void); } GDI_DRIVER; extern GDI_DRIVER *GDI_Driver; /* Device independent DC information */ typedef struct { int flags; const DeviceCaps *devCaps; 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; HBITMAP16 hFirstBitmap; /* Bitmap selected at creation of the DC */ HANDLE16 hDevice; HPALETTE16 hPalette; 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 */ 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? */ } WIN_DC_INFO; typedef BOOL16 (CALLBACK *DCHOOKPROC)(HDC16,WORD,DWORD,LPARAM); 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; WIN_DC_INFO w; } DC; /* Device functions for the Wine driver interface */ typedef INT (*DEVICEFONTENUMPROC)(LPENUMLOGFONTEX16,LPNEWTEXTMETRIC16,UINT16,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); 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); HBITMAP16 (*pCreateDIBSection16)(DC *,BITMAPINFO *,UINT16,SEGPTR *,HANDLE, DWORD); BOOL (*pDeleteDC)(DC*); BOOL (*pDeleteObject)(HGDIOBJ); 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)(DC*,LPLOGFONT16,DEVICEFONTENUMPROC,LPARAM); INT (*pEscape)(DC*,INT,INT,SEGPTR,SEGPTR); INT (*pExcludeClipRect)(DC*,INT,INT,INT,INT); INT (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA, LPSTR,DWORD); BOOL (*pExtFloodFill)(DC*,INT,INT,COLORREF,UINT); BOOL (*pExtTextOut)(DC*,INT,INT,UINT,const RECT*,LPCSTR,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); COLORREF (*pGetPixel)(DC*,INT,INT); BOOL (*pGetTextExtentPoint)(DC*,LPCSTR,INT,LPSIZE); BOOL (*pGetTextMetrics)(DC*,TEXTMETRICA*); INT (*pIntersectClipRect)(DC*,INT,INT,INT,INT); BOOL (*pInvertRgn)(DC*,HRGN); BOOL (*pLineTo)(DC*,INT,INT); HANDLE (*pLoadOEMResource)(WORD,WORD); BOOL (*pMoveToEx)(DC*,INT,INT,LPPOINT); 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*); 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); 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 (*pWidenPath)(DC*); } DC_FUNCTIONS; /* LoadOEMResource types */ #define OEM_BITMAP 1 #define OEM_CURSOR 2 #define OEM_ICON 3 /* 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 */ /* Last 32 bytes are reserved for stock object handles */ #define GDI_HEAP_SIZE 0xffe0 /* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */ #define FIRST_STOCK_HANDLE GDI_HEAP_SIZE /* Stock objects handles */ #define NB_STOCK_OBJECTS (DEFAULT_GUI_FONT + 1) #define STOCK_WHITE_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+WHITE_BRUSH)) #define STOCK_LTGRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+LTGRAY_BRUSH)) #define STOCK_GRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+GRAY_BRUSH)) #define STOCK_DKGRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+DKGRAY_BRUSH)) #define STOCK_BLACK_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+BLACK_BRUSH)) #define STOCK_NULL_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+NULL_BRUSH)) #define STOCK_HOLLOW_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+HOLLOW_BRUSH)) #define STOCK_WHITE_PEN ((HPEN16)(FIRST_STOCK_HANDLE+WHITE_PEN)) #define STOCK_BLACK_PEN ((HPEN16)(FIRST_STOCK_HANDLE+BLACK_PEN)) #define STOCK_NULL_PEN ((HPEN16)(FIRST_STOCK_HANDLE+NULL_PEN)) #define STOCK_OEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+OEM_FIXED_FONT)) #define STOCK_ANSI_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_FIXED_FONT)) #define STOCK_ANSI_VAR_FONT ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_VAR_FONT)) #define STOCK_SYSTEM_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FONT)) #define STOCK_DEVICE_DEFAULT_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEVICE_DEFAULT_FONT)) #define STOCK_DEFAULT_PALETTE ((HPALETTE16)(FIRST_STOCK_HANDLE+DEFAULT_PALETTE)) #define STOCK_SYSTEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FIXED_FONT)) #define STOCK_DEFAULT_GUI_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEFAULT_GUI_FONT)) #define FIRST_STOCK_FONT STOCK_OEM_FIXED_FONT #define LAST_STOCK_FONT STOCK_DEFAULT_GUI_FONT #define LAST_STOCK_HANDLE ((DWORD)STOCK_DEFAULT_GUI_FONT) /* 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->w.vport2WorldValid) return FALSE; /* Perform the transformation */ x = point->x; y = point->y; point->x = x * dc->w.xformVport2World.eM11 + y * dc->w.xformVport2World.eM21 + dc->w.xformVport2World.eDx; point->y = x * dc->w.xformVport2World.eM12 + y * dc->w.xformVport2World.eM22 + dc->w.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->w.xformWorld2Vport.eM11 + y * dc->w.xformWorld2Vport.eM21 + dc->w.xformWorld2Vport.eDx; point->y = x * dc->w.xformWorld2Vport.eM12 + y * dc->w.xformWorld2Vport.eM22 + dc->w.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); } #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) /* 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 WORD GDI_HeapSel; #define GDI_HEAP_ALLOC(size) \ LOCAL_Alloc( GDI_HeapSel, LMEM_FIXED, (size) ) #define GDI_HEAP_ALLOC_MOVEABLE(size) \ LOCAL_Alloc( GDI_HeapSel, LMEM_MOVEABLE, (size) ) #define GDI_HEAP_REALLOC(handle,size) \ LOCAL_ReAlloc( GDI_HeapSel, (handle), (size), LMEM_FIXED ) #define GDI_HEAP_FREE(handle) \ LOCAL_Free( GDI_HeapSel, (handle) ) #define GDI_HEAP_LOCK(handle) \ LOCAL_Lock( GDI_HeapSel, (handle) ) #define GDI_HEAP_LOCK_SEGPTR(handle) \ LOCAL_LockSegptr( GDI_HeapSel, (handle) ) #define GDI_HEAP_UNLOCK(handle) \ ((((HGDIOBJ16)(handle) >= FIRST_STOCK_HANDLE) && \ ((HGDIOBJ16)(handle)<=LAST_STOCK_HANDLE)) ? \ 0 : LOCAL_Unlock( GDI_HeapSel, (handle) )) extern BOOL GDI_Init(void); extern HGDIOBJ16 GDI_AllocObject( WORD, WORD ); extern BOOL GDI_FreeObject( HGDIOBJ16 ); extern GDIOBJHDR * GDI_GetObjPtr( HGDIOBJ16, WORD ); extern BOOL DRIVER_RegisterDriver( LPCSTR name, const DC_FUNCTIONS *funcs ); extern const DC_FUNCTIONS *DRIVER_FindDriver( LPCSTR name ); extern BOOL DRIVER_UnregisterDriver( LPCSTR name ); extern BOOL DRIVER_GetDriverName( LPCSTR device, LPSTR driver, DWORD size ); #endif /* __WINE_GDI_H */