| /* |
| * GDI definitions |
| * |
| * Copyright 1993 Alexandre Julliard |
| */ |
| |
| #ifndef __WINE_GDI_H |
| #define __WINE_GDI_H |
| |
| #include "windef.h" |
| #include "wingdi.h" |
| #include "ldt.h" |
| #include "local.h" |
| #include "path.h" |
| #include <math.h> |
| |
| /* 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 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; |
| FARPROC16 lpfnPrint; /* 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 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; |
| |
| 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)(LPENUMLOGFONT16,LPNEWTEXTMETRIC16,UINT16,LPARAM); |
| |
| typedef struct tagDC_FUNCS |
| { |
| BOOL (*pArc)(DC*,INT,INT,INT,INT,INT,INT,INT,INT); |
| 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 (*pCreateBitmap)(HBITMAP); |
| BOOL (*pCreateDC)(DC*,LPCSTR,LPCSTR,LPCSTR,const DEVMODE16*); |
| BOOL (*pDeleteDC)(DC*); |
| HBITMAP (*pCreateDIBSection)(DC *,BITMAPINFO *,UINT,LPVOID *,HANDLE,DWORD); |
| HBITMAP16 (*pCreateDIBSection16)(DC *,BITMAPINFO *,UINT16,SEGPTR *,HANDLE,DWORD); |
| BOOL (*pDeleteObject)(HGDIOBJ); |
| BOOL (*pEllipse)(DC*,INT,INT,INT,INT); |
| BOOL (*pEnumDeviceFonts)(DC*,LPLOGFONT16,DEVICEFONTENUMPROC,LPARAM); |
| INT (*pEscape)(DC*,INT,INT,SEGPTR,SEGPTR); |
| INT (*pExcludeClipRect)(DC*,INT,INT,INT,INT); |
| INT (*pExcludeVisRect)(DC*,INT,INT,INT,INT); |
| BOOL (*pExtFloodFill)(DC*,INT,INT,COLORREF,UINT); |
| BOOL (*pExtTextOut)(DC*,INT,INT,UINT,const RECT*,LPCSTR,UINT,const 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); |
| INT (*pIntersectVisRect)(DC*,INT,INT,INT,INT); |
| 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 (*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 (*pPolyBezier)(DC*,POINT, const POINT*,DWORD); |
| 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); |
| INT (*pSelectClipRgn)(DC*,HRGN); |
| HANDLE (*pSelectObject)(DC*,HANDLE); |
| HPALETTE (*pSelectPalette)(DC*,HPALETTE,BOOL); |
| COLORREF (*pSetBkColor)(DC*,COLORREF); |
| WORD (*pSetBkMode)(DC*,WORD); |
| 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); |
| WORD (*pSetPolyFillMode)(DC*,WORD); |
| WORD (*pSetROP2)(DC*,WORD); |
| WORD (*pSetRelAbs)(DC*,WORD); |
| WORD (*pSetStretchBltMode)(DC*,WORD); |
| WORD (*pSetTextAlign)(DC*,WORD); |
| 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); |
| 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); |
| } 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) \ |
| (((x)-(dc)->vportOrgX) * (dc)->wndExtX / (dc)->vportExtX+(dc)->wndOrgX) |
| #define YDPTOLP(dc,y) \ |
| (((y)-(dc)->vportOrgY) * (dc)->wndExtY / (dc)->vportExtY+(dc)->wndOrgY) |
| #define XLPTODP(dc,x) \ |
| (((x)-(dc)->wndOrgX) * (dc)->vportExtX / (dc)->wndExtX+(dc)->vportOrgX) |
| #define YLPTODP(dc,y) \ |
| (((y)-(dc)->wndOrgY) * (dc)->vportExtY / (dc)->wndExtY+(dc)->vportOrgY) |
| |
| /* Device <-> logical size conversion */ |
| |
| #define XDSTOLS(dc,x) \ |
| ((x) * (dc)->wndExtX / (dc)->vportExtX) |
| #define YDSTOLS(dc,y) \ |
| ((y) * (dc)->wndExtY / (dc)->vportExtY) |
| #define XLSTODS(dc,x) \ |
| ((x) * (dc)->vportExtX / (dc)->wndExtX) |
| #define YLSTODS(dc,y) \ |
| ((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 ); |
| |
| #endif /* __WINE_GDI_H */ |
