include/gdi.h

   1 /*
   2  * GDI definitions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  */
   6
   7 #ifndef __WINE_GDI_H
   8 #define __WINE_GDI_H
   9
  10 #include "windows.h"
  11 #include "ldt.h"
  12 #include "local.h"
  13 #include "x11drv.h"
  14 #include "path.h"
  15
  16   /* GDI objects magic numbers */
  17 #define PEN_MAGIC             0x4f47
  18 #define BRUSH_MAGIC           0x4f48
  19 #define FONT_MAGIC            0x4f49
  20 #define PALETTE_MAGIC         0x4f4a
  21 #define BITMAP_MAGIC          0x4f4b
  22 #define REGION_MAGIC          0x4f4c
  23 #define DC_MAGIC              0x4f4d
  24 #define DISABLED_DC_MAGIC     0x4f4e
  25 #define META_DC_MAGIC         0x4f4f
  26 #define METAFILE_MAGIC        0x4f50
  27 #define METAFILE_DC_MAGIC     0x4f51
  28 #define MAGIC_DONTCARE        0xffff
  29
  30 typedef struct tagGDIOBJHDR
  31 {
  32     HANDLE16    hNext;
  33     WORD        wMagic;
  34     DWORD       dwCount;
  35 } GDIOBJHDR;
  36
  37
  38 #define OBJ_PEN             1
  39 #define OBJ_BRUSH           2
  40 #define OBJ_DC              3
  41 #define OBJ_METADC          4
  42 #define OBJ_PAL             5
  43 #define OBJ_FONT            6
  44 #define OBJ_BITMAP          7
  45 #define OBJ_REGION          8
  46 #define OBJ_METAFILE        9
  47 #define OBJ_MEMDC           10
  48 #define OBJ_EXTPEN          11
  49 #define OBJ_ENHMETADC       12
  50 #define OBJ_ENHMETAFILE     13
  51
  52
  53 typedef struct tagDeviceCaps
  54 {
  55     WORD   version;       /*   0: driver version */
  56     WORD   technology;    /*   2: device technology */
  57     WORD   horzSize;      /*   4: width of display in mm */
  58     WORD   vertSize;      /*   6: height of display in mm */
  59     WORD   horzRes;       /*   8: width of display in pixels */
  60     WORD   vertRes;       /*  10: width of display in pixels */
  61     WORD   bitsPixel;     /*  12: bits per pixel */
  62     WORD   planes;        /*  14: color planes */
  63     WORD   numBrushes;    /*  16: device-specific brushes */
  64     WORD   numPens;       /*  18: device-specific pens */
  65     WORD   numMarkers;    /*  20: device-specific markers */
  66     WORD   numFonts;      /*  22: device-specific fonts */
  67     WORD   numColors;     /*  24: size of color table */
  68     WORD   pdeviceSize;   /*  26: size of PDEVICE structure */
  69     WORD   curveCaps;     /*  28: curve capabilities */
  70     WORD   lineCaps;      /*  30: line capabilities */
  71     WORD   polygonalCaps; /*  32: polygon capabilities */
  72     WORD   textCaps;      /*  34: text capabilities */
  73     WORD   clipCaps;      /*  36: clipping capabilities */
  74     WORD   rasterCaps;    /*  38: raster capabilities */
  75     WORD   aspectX;       /*  40: relative width of device pixel */
  76     WORD   aspectY;       /*  42: relative height of device pixel */
  77     WORD   aspectXY;      /*  44: relative diagonal width of device pixel */
  78     WORD   pad1[21];      /*  46-86: reserved */
  79     WORD   logPixelsX;    /*  88: pixels / logical X inch */
  80     WORD   logPixelsY;    /*  90: pixels / logical Y inch */
  81     WORD   pad2[6];       /*  92-102: reserved */
  82     WORD   sizePalette;   /* 104: entries in system palette */
  83     WORD   numReserved;   /* 106: reserved entries */
  84     WORD   colorRes;      /* 108: color resolution */
  85 } DeviceCaps;
  86
  87
  88   /* Device independent DC information */
  89 typedef struct
  90 {
  91     int           flags;
  92     const DeviceCaps *devCaps;
  93
  94     HRGN16        hClipRgn;     /* Clip region (may be 0) */
  95     HRGN16        hVisRgn;      /* Visible region (must never be 0) */
  96     HRGN16        hGCClipRgn;   /* GC clip region (ClipRgn AND VisRgn) */
  97     HPEN16        hPen;
  98     HBRUSH16      hBrush;
  99     HFONT16       hFont;
 100     HBITMAP16     hBitmap;
 101     HBITMAP16     hFirstBitmap; /* Bitmap selected at creation of the DC */
 102     HANDLE16      hDevice;
 103     HPALETTE16    hPalette;
 104
 105     GdiPath       path;
 106
 107     WORD          ROPmode;
 108     WORD          polyFillMode;
 109     WORD          stretchBltMode;
 110     WORD          relAbsMode;
 111     WORD          backgroundMode;
 112     COLORREF      backgroundColor;
 113     COLORREF      textColor;
 114     int           backgroundPixel;
 115     int           textPixel;
 116     short         brushOrgX;
 117     short         brushOrgY;
 118
 119     WORD          textAlign;         /* Text alignment from SetTextAlign() */
 120     short         charExtra;         /* Spacing from SetTextCharacterExtra() */
 121     short         breakTotalExtra;   /* Total extra space for justification */
 122     short         breakCount;        /* Break char. count */
 123     short         breakExtra;        /* breakTotalExtra / breakCount */
 124     short         breakRem;          /* breakTotalExtra % breakCount */
 125
 126     BYTE          bitsPerPixel;
 127
 128     INT32         MapMode;
 129     INT32         GraphicsMode;      /* Graphics mode */
 130     INT32         DCOrgX;            /* DC origin */
 131     INT32         DCOrgY;
 132     INT32         CursPosX;          /* Current position */
 133     INT32         CursPosY;
 134     INT32         ArcDirection;
 135     BOOL32        UseWorldXform;     /* Should we use the world transform? */
 136                                      /* (i.e. is it not equal to the       */
 137                                      /* identity transformation?)          */
 138     XFORM         WorldXform;        /* World transform */
 139 } WIN_DC_INFO;
 140
 141 typedef X11DRV_PDEVICE X_DC_INFO;  /* Temporary */
 142
 143 typedef struct tagDC
 144 {
 145     GDIOBJHDR      header;
 146     HDC32          hSelf;            /* Handle to this DC */
 147     const struct tagDC_FUNCS *funcs; /* DC function table */
 148     void          *physDev;          /* Physical device (driver-specific) */
 149     INT32          saveLevel;
 150     DWORD          dwHookData;
 151     FARPROC16      hookProc;
 152
 153     INT32          wndOrgX;          /* Window origin */
 154     INT32          wndOrgY;
 155     INT32          wndExtX;          /* Window extent */
 156     INT32          wndExtY;
 157     INT32          vportOrgX;        /* Viewport origin */
 158     INT32          vportOrgY;
 159     INT32          vportExtX;        /* Viewport extent */
 160     INT32          vportExtY;
 161
 162     WIN_DC_INFO w;
 163     union
 164     {
 165         X_DC_INFO x;
 166         /* other devices (e.g. printer) */
 167     } u;
 168 } DC;
 169
 170 /* Device functions for the Wine driver interface */
 171 typedef struct tagDC_FUNCS
 172 {
 173     BOOL32     (*pArc)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32);
 174     BOOL32     (*pBitBlt)(DC*,INT32,INT32,INT32,INT32,DC*,INT32,INT32,DWORD);
 175     BOOL32     (*pChord)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32);
 176     BOOL32     (*pCreateDC)(DC*,LPCSTR,LPCSTR,LPCSTR,const DEVMODE16*);
 177     BOOL32     (*pDeleteDC)(DC*);
 178     BOOL32     (*pDeleteObject)(HGDIOBJ16);
 179     BOOL32     (*pEllipse)(DC*,INT32,INT32,INT32,INT32);
 180     BOOL32     (*pEnumDeviceFonts)(DC*,LPLOGFONT16,DEVICEFONTENUMPROC,LPARAM);
 181     INT32      (*pEscape)(DC*,INT32,INT32,SEGPTR,SEGPTR);
 182     INT32      (*pExcludeClipRect)(DC*,INT32,INT32,INT32,INT32);
 183     INT32      (*pExcludeVisRect)(DC*,INT32,INT32,INT32,INT32);
 184     BOOL32     (*pExtFloodFill)(DC*,INT32,INT32,COLORREF,UINT32);
 185     BOOL32     (*pExtTextOut)(DC*,INT32,INT32,UINT32,const RECT32*,LPCSTR,UINT32,const INT32*);
 186     BOOL32     (*pGetCharWidth)(DC*,UINT32,UINT32,LPINT32);
 187     COLORREF   (*pGetPixel)(DC*,INT32,INT32);
 188     BOOL32     (*pGetTextExtentPoint)(DC*,LPCSTR,INT32,LPSIZE32);
 189     BOOL32     (*pGetTextMetrics)(DC*,TEXTMETRIC32A*);
 190     INT32      (*pIntersectClipRect)(DC*,INT32,INT32,INT32,INT32);
 191     INT32      (*pIntersectVisRect)(DC*,INT32,INT32,INT32,INT32);
 192     BOOL32     (*pLineTo)(DC*,INT32,INT32);
 193     BOOL32     (*pMoveToEx)(DC*,INT32,INT32,LPPOINT32);
 194     INT32      (*pOffsetClipRgn)(DC*,INT32,INT32);
 195     BOOL32     (*pOffsetViewportOrg)(DC*,INT32,INT32);
 196     BOOL32     (*pOffsetWindowOrg)(DC*,INT32,INT32);
 197     BOOL32     (*pPaintRgn)(DC*,HRGN32);
 198     BOOL32     (*pPatBlt)(DC*,INT32,INT32,INT32,INT32,DWORD);
 199     BOOL32     (*pPie)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32);
 200     BOOL32     (*pPolyPolygon)(DC*,LPPOINT32,LPINT32,UINT32);
 201     BOOL32     (*pPolygon)(DC*,LPPOINT32,INT32);
 202     BOOL32     (*pPolyline)(DC*,LPPOINT32,INT32);
 203     UINT32     (*pRealizePalette)(DC*);
 204     BOOL32     (*pRectangle)(DC*,INT32,INT32,INT32,INT32);
 205     BOOL32     (*pRestoreDC)(DC*,INT32);
 206     BOOL32     (*pRoundRect)(DC*,INT32,INT32,INT32,INT32,INT32,INT32);
 207     INT32      (*pSaveDC)(DC*);
 208     BOOL32     (*pScaleViewportExt)(DC*,INT32,INT32,INT32,INT32);
 209     BOOL32     (*pScaleWindowExt)(DC*,INT32,INT32,INT32,INT32);
 210     INT32      (*pSelectClipRgn)(DC*,HRGN32);
 211     HANDLE32   (*pSelectObject)(DC*,HANDLE32);
 212     HPALETTE32 (*pSelectPalette)(DC*,HPALETTE32,BOOL32);
 213     COLORREF   (*pSetBkColor)(DC*,COLORREF);
 214     WORD       (*pSetBkMode)(DC*,WORD);
 215     VOID       (*pSetDeviceClipping)(DC*);
 216     INT32      (*pSetDIBitsToDevice)(DC*,INT32,INT32,DWORD,DWORD,INT32,INT32,UINT32,UINT32,LPCVOID,const BITMAPINFO*,UINT32);
 217     INT32      (*pSetMapMode)(DC*,INT32);
 218     DWORD      (*pSetMapperFlags)(DC*,DWORD);
 219     COLORREF   (*pSetPixel)(DC*,INT32,INT32,COLORREF);
 220     WORD       (*pSetPolyFillMode)(DC*,WORD);
 221     WORD       (*pSetROP2)(DC*,WORD);
 222     WORD       (*pSetRelAbs)(DC*,WORD);
 223     WORD       (*pSetStretchBltMode)(DC*,WORD);
 224     WORD       (*pSetTextAlign)(DC*,WORD);
 225     INT32      (*pSetTextCharacterExtra)(DC*,INT32);
 226     DWORD      (*pSetTextColor)(DC*,DWORD);
 227     INT32      (*pSetTextJustification)(DC*,INT32,INT32);
 228     BOOL32     (*pSetViewportExt)(DC*,INT32,INT32);
 229     BOOL32     (*pSetViewportOrg)(DC*,INT32,INT32);
 230     BOOL32     (*pSetWindowExt)(DC*,INT32,INT32);
 231     BOOL32     (*pSetWindowOrg)(DC*,INT32,INT32);
 232     BOOL32     (*pStretchBlt)(DC*,INT32,INT32,INT32,INT32,DC*,INT32,INT32,INT32,INT32,DWORD);
 233     INT32      (*pStretchDIBits)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32,LPSTR,LPBITMAPINFO,WORD,DWORD);
 234 } DC_FUNCTIONS;
 235
 236   /* DC hook codes */
 237 #define DCHC_INVALIDVISRGN      0x0001
 238 #define DCHC_DELETEDC           0x0002
 239
 240 #define DCHF_INVALIDATEVISRGN   0x0001
 241 #define DCHF_VALIDATEVISRGN     0x0002
 242
 243   /* DC flags */
 244 #define DC_MEMORY     0x0001   /* It is a memory DC */
 245 #define DC_SAVED      0x0002   /* It is a saved DC */
 246 #define DC_DIRTY      0x0004   /* hVisRgn has to be updated */
 247 #define DC_THUNKHOOK  0x0008   /* DC hook is in the 16-bit code */
 248
 249   /* Last 32 bytes are reserved for stock object handles */
 250 #define GDI_HEAP_SIZE               0xffe0
 251
 252   /* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
 253 #define FIRST_STOCK_HANDLE          GDI_HEAP_SIZE
 254
 255   /* Stock objects handles */
 256
 257 #define NB_STOCK_OBJECTS          (DEFAULT_GUI_FONT + 1)
 258
 259 #define STOCK_WHITE_BRUSH       ((HBRUSH16)(FIRST_STOCK_HANDLE+WHITE_BRUSH))
 260 #define STOCK_LTGRAY_BRUSH      ((HBRUSH16)(FIRST_STOCK_HANDLE+LTGRAY_BRUSH))
 261 #define STOCK_GRAY_BRUSH        ((HBRUSH16)(FIRST_STOCK_HANDLE+GRAY_BRUSH))
 262 #define STOCK_DKGRAY_BRUSH      ((HBRUSH16)(FIRST_STOCK_HANDLE+DKGRAY_BRUSH))
 263 #define STOCK_BLACK_BRUSH       ((HBRUSH16)(FIRST_STOCK_HANDLE+BLACK_BRUSH))
 264 #define STOCK_NULL_BRUSH        ((HBRUSH16)(FIRST_STOCK_HANDLE+NULL_BRUSH))
 265 #define STOCK_HOLLOW_BRUSH      ((HBRUSH16)(FIRST_STOCK_HANDLE+HOLLOW_BRUSH))
 266 #define STOCK_WHITE_PEN         ((HPEN16)(FIRST_STOCK_HANDLE+WHITE_PEN))
 267 #define STOCK_BLACK_PEN         ((HPEN16)(FIRST_STOCK_HANDLE+BLACK_PEN))
 268 #define STOCK_NULL_PEN          ((HPEN16)(FIRST_STOCK_HANDLE+NULL_PEN))
 269 #define STOCK_OEM_FIXED_FONT    ((HFONT16)(FIRST_STOCK_HANDLE+OEM_FIXED_FONT))
 270 #define STOCK_ANSI_FIXED_FONT   ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_FIXED_FONT))
 271 #define STOCK_ANSI_VAR_FONT     ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_VAR_FONT))
 272 #define STOCK_SYSTEM_FONT       ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FONT))
 273 #define STOCK_DEVICE_DEFAULT_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEVICE_DEFAULT_FONT))
 274 #define STOCK_DEFAULT_PALETTE   ((HPALETTE16)(FIRST_STOCK_HANDLE+DEFAULT_PALETTE))
 275 #define STOCK_SYSTEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FIXED_FONT))
 276 #define STOCK_DEFAULT_GUI_FONT  ((HFONT16)(FIRST_STOCK_HANDLE+DEFAULT_GUI_FONT))
 277
 278 #define FIRST_STOCK_FONT        STOCK_OEM_FIXED_FONT
 279 #define LAST_STOCK_FONT         STOCK_DEFAULT_GUI_FONT
 280
 281 #define LAST_STOCK_HANDLE       ((DWORD)STOCK_DEFAULT_GUI_FONT)
 282
 283   /* Device <-> logical coords conversion */
 284
 285 #define XDPTOLP(dc,x) \
 286     (((x)-(dc)->vportOrgX) * (dc)->wndExtX / (dc)->vportExtX+(dc)->wndOrgX)
 287 #define YDPTOLP(dc,y) \
 288     (((y)-(dc)->vportOrgY) * (dc)->wndExtY / (dc)->vportExtY+(dc)->wndOrgY)
 289 #define XLPTODP(dc,x) \
 290     (((x)-(dc)->wndOrgX) * (dc)->vportExtX / (dc)->wndExtX+(dc)->vportOrgX)
 291 #define YLPTODP(dc,y) \
 292     (((y)-(dc)->wndOrgY) * (dc)->vportExtY / (dc)->wndExtY+(dc)->vportOrgY)
 293
 294   /* Device <-> logical size conversion */
 295
 296 #define XDSTOLS(dc,x) \
 297     ((x) * (dc)->wndExtX / (dc)->vportExtX)
 298 #define YDSTOLS(dc,y) \
 299     ((y) * (dc)->wndExtY / (dc)->vportExtY)
 300 #define XLSTODS(dc,x) \
 301     ((x) * (dc)->vportExtX / (dc)->wndExtX)
 302 #define YLSTODS(dc,y) \
 303     ((y) * (dc)->vportExtY / (dc)->wndExtY)
 304
 305   /* GDI local heap */
 306
 307 extern WORD GDI_HeapSel;
 308
 309 #define GDI_HEAP_ALLOC(size) \
 310             LOCAL_Alloc( GDI_HeapSel, LMEM_FIXED, (size) )
 311 #define GDI_HEAP_ALLOC_MOVEABLE(size) \
 312             LOCAL_Alloc( GDI_HeapSel, LMEM_MOVEABLE, (size) )
 313 #define GDI_HEAP_REALLOC(handle,size) \
 314             LOCAL_ReAlloc( GDI_HeapSel, (handle), (size), LMEM_FIXED )
 315 #define GDI_HEAP_FREE(handle) \
 316             LOCAL_Free( GDI_HeapSel, (handle) )
 317
 318 #define GDI_HEAP_LOCK(handle) \
 319             LOCAL_Lock( GDI_HeapSel, (handle) )
 320 #define GDI_HEAP_LOCK_SEGPTR(handle) \
 321             LOCAL_LockSegptr( GDI_HeapSel, (handle) )
 322 #define GDI_HEAP_UNLOCK(handle) \
 323     ((((HGDIOBJ16)(handle) >= FIRST_STOCK_HANDLE) && \
 324       ((HGDIOBJ16)(handle)<=LAST_STOCK_HANDLE)) ? \
 325       0 : LOCAL_Unlock( GDI_HeapSel, (handle) ))
 326
 327 extern BOOL32 GDI_Init(void);
 328 extern HGDIOBJ16 GDI_AllocObject( WORD, WORD );
 329 extern BOOL32 GDI_FreeObject( HGDIOBJ16 );
 330 extern GDIOBJHDR * GDI_GetObjPtr( HGDIOBJ16, WORD );
 331
 332 extern BOOL32 DRIVER_RegisterDriver( LPCSTR name, const DC_FUNCTIONS *funcs );
 333 extern const DC_FUNCTIONS *DRIVER_FindDriver( LPCSTR name );
 334 extern BOOL32 DRIVER_UnregisterDriver( LPCSTR name );
 335
 336 extern Display * display;
 337 extern Screen * screen;
 338 extern Window rootWindow;
 339 extern int screenWidth, screenHeight, screenDepth;
 340
 341 #endif  /* __WINE_GDI_H */