include/gdi.h

   1 /*
   2  * GDI definitions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  */
   6
   7 #ifndef GDI_H
   8 #define GDI_H
   9
  10 #include <X11/Xlib.h>
  11 #include <X11/Xutil.h>
  12
  13 #include "windows.h"
  14 #include "segmem.h"
  15 #include "heap.h"
  16
  17   /* GDI objects magic numbers */
  18 #define PEN_MAGIC             0x4f47
  19 #define BRUSH_MAGIC           0x4f48
  20 #define FONT_MAGIC            0x4f49
  21 #define PALETTE_MAGIC         0x4f4a
  22 #define BITMAP_MAGIC          0x4f4b
  23 #define REGION_MAGIC          0x4f4c
  24 #define DC_MAGIC              0x4f4d
  25 #define DISABLED_DC_MAGIC     0x4f4e
  26 #define META_DC_MAGIC         0x4f4f
  27 #define METAFILE_MAGIC        0x4f50
  28 #define METAFILE_DC_MAGIC     0x4f51
  29
  30
  31 typedef struct tagREGION
  32 {
  33     WORD        type;
  34     RECT        box;
  35     Pixmap      pixmap;
  36     Region      xrgn;
  37 } REGION;
  38
  39 typedef struct tagGDIOBJHDR
  40 {
  41     HANDLE      hNext;
  42     WORD        wMagic;
  43     DWORD       dwCount;
  44     WORD        wMetaList;
  45 } GDIOBJHDR;
  46
  47 typedef struct tagBRUSHOBJ
  48 {
  49     GDIOBJHDR   header;
  50     LOGBRUSH    logbrush WINE_PACKED;
  51 } BRUSHOBJ;
  52
  53 typedef struct tagPENOBJ
  54 {
  55     GDIOBJHDR   header;
  56     LOGPEN      logpen WINE_PACKED;
  57 } PENOBJ;
  58
  59 typedef struct tagPALETTEOBJ
  60 {
  61     GDIOBJHDR   header;
  62     LOGPALETTE  logpalette WINE_PACKED;
  63 } PALETTEOBJ;
  64
  65 typedef struct tagFONTOBJ
  66 {
  67     GDIOBJHDR   header;
  68     LOGFONT     logfont WINE_PACKED;
  69 } FONTOBJ;
  70
  71 typedef struct tagBITMAPOBJ
  72 {
  73     GDIOBJHDR   header;
  74     BITMAP      bitmap;
  75     Pixmap      pixmap;
  76     SIZE        size;   /* For SetBitmapDimension() */
  77 } BITMAPOBJ;
  78
  79 typedef struct tagRGNOBJ
  80 {
  81     GDIOBJHDR   header;
  82     REGION      region;
  83 } RGNOBJ;
  84
  85 typedef struct
  86 {
  87     WORD   version;       /*   0: driver version */
  88     WORD   technology;    /*   2: device technology */
  89     WORD   horzSize;      /*   4: width of display in mm */
  90     WORD   vertSize;      /*   6: height of display in mm */
  91     WORD   horzRes;       /*   8: width of display in pixels */
  92     WORD   vertRes;       /*  10: width of display in pixels */
  93     WORD   bitsPixel;     /*  12: bits per pixel */
  94     WORD   planes;        /*  14: color planes */
  95     WORD   numBrushes;    /*  16: device-specific brushes */
  96     WORD   numPens;       /*  18: device-specific pens */
  97     WORD   numMarkers;    /*  20: device-specific markers */
  98     WORD   numFonts;      /*  22: device-specific fonts */
  99     WORD   numColors;     /*  24: size of color table */
 100     WORD   pdeviceSize;   /*  26: size of PDEVICE structure */
 101     WORD   curveCaps;     /*  28: curve capabilities */
 102     WORD   lineCaps;      /*  30: line capabilities */
 103     WORD   polygonalCaps; /*  32: polygon capabilities */
 104     WORD   textCaps;      /*  34: text capabilities */
 105     WORD   clipCaps;      /*  36: clipping capabilities */
 106     WORD   rasterCaps;    /*  38: raster capabilities */
 107     WORD   aspectX;       /*  40: relative width of device pixel */
 108     WORD   aspectY;       /*  42: relative height of device pixel */
 109     WORD   aspectXY;      /*  44: relative diagonal width of device pixel */
 110     WORD   pad1[21];      /*  46-86: reserved */
 111     WORD   logPixelsX;    /*  88: pixels / logical X inch */
 112     WORD   logPixelsY;    /*  90: pixels / logical Y inch */
 113     WORD   pad2[6];       /*  92-102: reserved */
 114     WORD   sizePalette;   /* 104: entries in system palette */
 115     WORD   numReserved;   /* 106: reserved entries */
 116     WORD   colorRes;      /* 108: color resolution */
 117 } DeviceCaps;
 118
 119
 120   /* Device independent DC information */
 121 typedef struct
 122 {
 123     int           flags;
 124     DeviceCaps   *devCaps;
 125
 126     HANDLE        hMetaFile;
 127     HRGN          hClipRgn;     /* Clip region (may be 0) */
 128     HRGN          hVisRgn;      /* Visible region (must never be 0) */
 129     HRGN          hGCClipRgn;   /* GC clip region (ClipRgn AND VisRgn) */
 130     HPEN          hPen;
 131     HBRUSH        hBrush;
 132     HFONT         hFont;
 133     HBITMAP       hBitmap;
 134     HANDLE        hDevice;
 135     HPALETTE      hPalette;
 136
 137     WORD          ROPmode;
 138     WORD          polyFillMode;
 139     WORD          stretchBltMode;
 140     WORD          relAbsMode;
 141     WORD          backgroundMode;
 142     COLORREF      backgroundColor;
 143     COLORREF      textColor;
 144     int           backgroundPixel;
 145     int           textPixel;
 146     short         brushOrgX;
 147     short         brushOrgY;
 148
 149     WORD          textAlign;         /* Text alignment from SetTextAlign() */
 150     short         charExtra;         /* Spacing from SetTextCharacterExtra() */
 151     short         breakTotalExtra;   /* Total extra space for justification */
 152     short         breakCount;        /* Break char. count */
 153     short         breakExtra;        /* breakTotalExtra / breakCount */
 154     short         breakRem;          /* breakTotalExtra % breakCount */
 155
 156     BYTE          bitsPerPixel;
 157
 158     WORD          MapMode;
 159     short         DCOrgX;            /* DC origin */
 160     short         DCOrgY;
 161     short         CursPosX;          /* Current position */
 162     short         CursPosY;
 163     short         WndOrgX;
 164     short         WndOrgY;
 165     short         WndExtX;
 166     short         WndExtY;
 167     short         VportOrgX;
 168     short         VportOrgY;
 169     short         VportExtX;
 170     short         VportExtY;
 171 } WIN_DC_INFO;
 172
 173
 174   /* X physical pen */
 175 typedef struct
 176 {
 177     int          style;
 178     int          pixel;
 179     int          width;
 180     char *       dashes;
 181     int          dash_len;
 182 } X_PHYSPEN;
 183
 184   /* X physical brush */
 185 typedef struct
 186 {
 187     int          style;
 188     int          fillStyle;
 189     int          pixel;
 190     Pixmap       pixmap;
 191 } X_PHYSBRUSH;
 192
 193   /* X physical font */
 194 typedef struct
 195 {
 196     XFontStruct * fstruct;
 197     TEXTMETRIC    metrics;
 198 } X_PHYSFONT;
 199
 200   /* X physical palette information */
 201 typedef struct
 202 {
 203     HANDLE    hMapping;
 204     WORD      mappingSize;
 205 } X_PHYSPALETTE;
 206
 207   /* X-specific DC information */
 208 typedef struct
 209 {
 210     GC            gc;          /* X Window GC */
 211     Drawable      drawable;
 212     X_PHYSFONT    font;
 213     X_PHYSPEN     pen;
 214     X_PHYSBRUSH   brush;
 215     X_PHYSPALETTE pal;
 216 } X_DC_INFO;
 217
 218
 219 typedef struct tagDC
 220 {
 221     GDIOBJHDR     header;
 222     WORD          saveLevel;
 223     WIN_DC_INFO   w;
 224     union
 225     {
 226         X_DC_INFO x;
 227         /* other devices (e.g. printer) */
 228     } u;
 229 } DC;
 230
 231   /* DC flags */
 232 #define DC_MEMORY     1   /* It is a memory DC */
 233 #define DC_SAVED      2   /* It is a saved DC */
 234
 235   /* Last 32 bytes are reserved for stock object handles */
 236 #define GDI_HEAP_SIZE               0xffe0
 237
 238   /* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
 239 #define FIRST_STOCK_HANDLE          GDI_HEAP_SIZE
 240
 241   /* Stock objects handles */
 242
 243 #define STOCK_WHITE_BRUSH           (FIRST_STOCK_HANDLE + WHITE_BRUSH)
 244 #define STOCK_LTGRAY_BRUSH          (FIRST_STOCK_HANDLE + LTGRAY_BRUSH)
 245 #define STOCK_GRAY_BRUSH            (FIRST_STOCK_HANDLE + GRAY_BRUSH)
 246 #define STOCK_DKGRAY_BRUSH          (FIRST_STOCK_HANDLE + DKGRAY_BRUSH)
 247 #define STOCK_BLACK_BRUSH           (FIRST_STOCK_HANDLE + BLACK_BRUSH)
 248 #define STOCK_NULL_BRUSH            (FIRST_STOCK_HANDLE + NULL_BRUSH)
 249 #define STOCK_HOLLOW_BRUSH          (FIRST_STOCK_HANDLE + HOLLOW_BRUSH)
 250 #define STOCK_WHITE_PEN             (FIRST_STOCK_HANDLE + WHITE_PEN)
 251 #define STOCK_BLACK_PEN             (FIRST_STOCK_HANDLE + BLACK_PEN)
 252 #define STOCK_NULL_PEN              (FIRST_STOCK_HANDLE + NULL_PEN)
 253 #define STOCK_OEM_FIXED_FONT        (FIRST_STOCK_HANDLE + OEM_FIXED_FONT)
 254 #define STOCK_ANSI_FIXED_FONT       (FIRST_STOCK_HANDLE + ANSI_FIXED_FONT)
 255 #define STOCK_ANSI_VAR_FONT         (FIRST_STOCK_HANDLE + ANSI_VAR_FONT)
 256 #define STOCK_SYSTEM_FONT           (FIRST_STOCK_HANDLE + SYSTEM_FONT)
 257 #define STOCK_DEVICE_DEFAULT_FONT   (FIRST_STOCK_HANDLE + DEVICE_DEFAULT_FONT)
 258 #define STOCK_DEFAULT_PALETTE       (FIRST_STOCK_HANDLE + DEFAULT_PALETTE)
 259 #define STOCK_SYSTEM_FIXED_FONT     (FIRST_STOCK_HANDLE + SYSTEM_FIXED_FONT)
 260
 261 #define NB_STOCK_OBJECTS            (SYSTEM_FIXED_FONT + 1)
 262
 263 #define FIRST_STOCK_FONT            STOCK_OEM_FIXED_FONT
 264 #define LAST_STOCK_FONT             STOCK_SYSTEM_FIXED_FONT
 265
 266
 267
 268   /* Device <-> logical coords conversion */
 269
 270 #define XDPTOLP(dc,x) \
 271 (((x)-(dc)->w.VportOrgX) * (dc)->w.WndExtX / (dc)->w.VportExtX+(dc)->w.WndOrgX)
 272 #define YDPTOLP(dc,y) \
 273 (((y)-(dc)->w.VportOrgY) * (dc)->w.WndExtY / (dc)->w.VportExtY+(dc)->w.WndOrgY)
 274 #define XLPTODP(dc,x) \
 275 (((x)-(dc)->w.WndOrgX) * (dc)->w.VportExtX / (dc)->w.WndExtX+(dc)->w.VportOrgX)
 276 #define YLPTODP(dc,y) \
 277 (((y)-(dc)->w.WndOrgY) * (dc)->w.VportExtY / (dc)->w.WndExtY+(dc)->w.VportOrgY)
 278
 279
 280   /* GDI local heap */
 281
 282 #ifdef WINELIB
 283
 284 #define GDI_HEAP_ALLOC(f,size) LocalAlloc (f,size)
 285 #define GDI_HEAP_ADDR(handle)  LocalLock (handle)
 286 #define GDI_HEAP_FREE(handle)  LocalFree (handle)
 287
 288 #else
 289
 290 extern MDESC *GDI_Heap;
 291
 292 #define GDI_HEAP_ALLOC(f,size) ((int)HEAP_Alloc(&GDI_Heap,f,size) & 0xffff)
 293 #define GDI_HEAP_FREE(handle) (HEAP_Free(&GDI_Heap,GDI_HEAP_ADDR(handle)))
 294 #define GDI_HEAP_ADDR(handle) \
 295     ((void *)((handle) ? ((handle) | ((int)GDI_Heap & 0xffff0000)) : 0))
 296
 297 #endif
 298
 299 extern HANDLE GDI_AllocObject( WORD, WORD );
 300 extern BOOL GDI_FreeObject( HANDLE );
 301 extern GDIOBJHDR * GDI_GetObjPtr( HANDLE, WORD );
 302
 303 extern Display * display;
 304 extern Screen * screen;
 305 extern Window rootWindow;
 306 extern int screenWidth, screenHeight, screenDepth;
 307
 308 #endif  /* GDI_H */