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/Intrinsic.h>
  11
  12 #include "windows.h"
  13 #include "segmem.h"
  14 #include "heap.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
  29
  30 typedef struct tagREGION
  31 {
  32     WORD        type;
  33     RECT        box;
  34     Pixmap      pixmap;
  35 } REGION;
  36
  37 typedef struct tagGDIOBJHDR
  38 {
  39     HANDLE      hNext;
  40     WORD        wMagic;
  41     DWORD       dwCount;
  42     WORD        wMetaList;
  43 } GDIOBJHDR;
  44
  45 typedef struct tagBRUSHOBJ
  46 {
  47     GDIOBJHDR   header;
  48     LOGBRUSH    logbrush __attribute__ ((packed));
  49 } BRUSHOBJ;
  50
  51 typedef struct tagPENOBJ
  52 {
  53     GDIOBJHDR   header;
  54     LOGPEN      logpen __attribute__ ((packed));
  55 } PENOBJ;
  56
  57 typedef struct tagPALETTEOBJ
  58 {
  59     GDIOBJHDR   header;
  60     LOGPALETTE  logpalette __attribute__ ((packed));
  61 } PALETTEOBJ;
  62
  63 typedef struct tagFONTOBJ
  64 {
  65     GDIOBJHDR   header;
  66     LOGFONT     logfont __attribute__ ((packed));
  67 } FONTOBJ;
  68
  69 typedef struct tagBITMAPOBJ
  70 {
  71     GDIOBJHDR   header;
  72     HANDLE      hBitmap;
  73     BOOL        bSelected;
  74     HDC         hdc;
  75     SIZE        size;
  76 } BITMAPOBJ;
  77
  78 typedef struct tagRGNOBJ
  79 {
  80     GDIOBJHDR   header;
  81     REGION      region;
  82 } RGNOBJ;
  83
  84 typedef struct
  85 {
  86     WORD   version;       /*   0: driver version */
  87     WORD   technology;    /*   2: device technology */
  88     WORD   horzSize;      /*   4: width of display in mm */
  89     WORD   vertSize;      /*   6: height of display in mm */
  90     WORD   horzRes;       /*   8: width of display in pixels */
  91     WORD   vertRes;       /*  10: width of display in pixels */
  92     WORD   bitsPixel;     /*  12: bits per pixel */
  93     WORD   planes;        /*  14: color planes */
  94     WORD   numBrushes;    /*  16: device-specific brushes */
  95     WORD   numPens;       /*  18: device-specific pens */
  96     WORD   numMarkers;    /*  20: device-specific markers */
  97     WORD   numFonts;      /*  22: device-specific fonts */
  98     WORD   numColors;     /*  24: size of color table */
  99     WORD   pdeviceSize;   /*  26: size of PDEVICE structure */
 100     WORD   curveCaps;     /*  28: curve capabilities */
 101     WORD   lineCaps;      /*  30: line capabilities */
 102     WORD   polygonalCaps; /*  32: polygon capabilities */
 103     WORD   textCaps;      /*  34: text capabilities */
 104     WORD   clipCaps;      /*  36: clipping capabilities */
 105     WORD   rasterCaps;    /*  38: raster capabilities */
 106     WORD   aspectX;       /*  40: relative width of device pixel */
 107     WORD   aspectY;       /*  42: relative height of device pixel */
 108     WORD   aspectXY;      /*  44: relative diagonal width of device pixel */
 109     WORD   pad1[21];      /*  46-86: reserved */
 110     WORD   logPixelsX;    /*  88: pixels / logical X inch */
 111     WORD   logPixelsY;    /*  90: pixels / logical Y inch */
 112     WORD   pad2[6];       /*  92-102: reserved */
 113     WORD   sizePalette;   /* 104: entries in system palette */
 114     WORD   numReserved;   /* 106: reserved entries */
 115     WORD   colorRes;      /* 108: color resolution */
 116 } DeviceCaps;
 117
 118
 119   /* Device independent DC information */
 120 typedef struct
 121 {
 122     int           flags;
 123     DeviceCaps   *devCaps;
 124
 125     HANDLE        hMetaFile;
 126     HRGN          hClipRgn;     /* Clip region */
 127     HRGN          hVisRgn;      /* Visible region */
 128     HRGN          hGCClipRgn;   /* GC clip region (ClipRgn AND VisRgn) */
 129     HPEN          hPen;
 130     HBRUSH        hBrush;
 131     HFONT         hFont;
 132     HBITMAP       hBitmap;
 133     HANDLE        hDevice;
 134     HPALETTE      hPalette;
 135
 136     WORD          ROPmode;
 137     WORD          polyFillMode;
 138     WORD          stretchBltMode;
 139     WORD          relAbsMode;
 140     WORD          backgroundMode;
 141     COLORREF      backgroundColor;
 142     COLORREF      textColor;
 143     int           backgroundPixel;
 144     int           textPixel;
 145     short         brushOrgX;
 146     short         brushOrgY;
 147
 148     WORD          textAlign;         /* Text alignment from SetTextAlign() */
 149     short         charExtra;         /* Spacing from SetTextCharacterExtra() */
 150     short         breakTotalExtra;   /* Total extra space for justification */
 151     short         breakCount;        /* Break char. count */
 152     short         breakExtra;        /* breakTotalExtra / breakCount */
 153     short         breakRem;          /* breakTotalExtra % breakCount */
 154
 155     BYTE          planes;
 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 } X_PHYSPEN;
 181
 182   /* X physical brush */
 183 typedef struct
 184 {
 185     int          style;
 186     int          fillStyle;
 187     int          pixel;
 188     Pixmap       pixmap;
 189 } X_PHYSBRUSH;
 190
 191   /* X physical font */
 192 typedef struct
 193 {
 194     XFontStruct * fstruct;
 195     TEXTMETRIC    metrics;
 196 } X_PHYSFONT;
 197
 198   /* X-specific DC information */
 199 typedef struct
 200 {
 201     GC            gc;          /* X Window GC */
 202     Drawable      drawable;
 203     Widget        widget;
 204     X_PHYSFONT    font;
 205     X_PHYSPEN     pen;
 206     X_PHYSBRUSH   brush;
 207 } X_DC_INFO;
 208
 209
 210 typedef struct tagDC
 211 {
 212     GDIOBJHDR     header;
 213     WORD          saveLevel;
 214     WIN_DC_INFO   w;
 215     union
 216     {
 217         X_DC_INFO x;
 218         /* other devices (e.g. printer) */
 219     } u;
 220 } DC;
 221
 222   /* DC flags */
 223 #define DC_MEMORY     1   /* It is a memory DC */
 224 #define DC_SAVED      2   /* It is a saved DC */
 225
 226   /* Last 32 bytes are reserved for stock object handles */
 227 #define GDI_HEAP_SIZE               0xffe0
 228
 229   /* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
 230 #define FIRST_STOCK_HANDLE          GDI_HEAP_SIZE
 231
 232   /* Stock objects handles */
 233
 234 #define STOCK_WHITE_BRUSH           (FIRST_STOCK_HANDLE + WHITE_BRUSH)
 235 #define STOCK_LTGRAY_BRUSH          (FIRST_STOCK_HANDLE + LTGRAY_BRUSH)
 236 #define STOCK_GRAY_BRUSH            (FIRST_STOCK_HANDLE + GRAY_BRUSH)
 237 #define STOCK_DKGRAY_BRUSH          (FIRST_STOCK_HANDLE + DKGRAY_BRUSH)
 238 #define STOCK_BLACK_BRUSH           (FIRST_STOCK_HANDLE + BLACK_BRUSH)
 239 #define STOCK_NULL_BRUSH            (FIRST_STOCK_HANDLE + NULL_BRUSH)
 240 #define STOCK_HOLLOW_BRUSH          (FIRST_STOCK_HANDLE + HOLLOW_BRUSH)
 241 #define STOCK_WHITE_PEN             (FIRST_STOCK_HANDLE + WHITE_PEN)
 242 #define STOCK_BLACK_PEN             (FIRST_STOCK_HANDLE + BLACK_PEN)
 243 #define STOCK_NULL_PEN              (FIRST_STOCK_HANDLE + NULL_PEN)
 244 #define STOCK_OEM_FIXED_FONT        (FIRST_STOCK_HANDLE + OEM_FIXED_FONT)
 245 #define STOCK_ANSI_FIXED_FONT       (FIRST_STOCK_HANDLE + ANSI_FIXED_FONT)
 246 #define STOCK_ANSI_VAR_FONT         (FIRST_STOCK_HANDLE + ANSI_VAR_FONT)
 247 #define STOCK_SYSTEM_FONT           (FIRST_STOCK_HANDLE + SYSTEM_FONT)
 248 #define STOCK_DEVICE_DEFAULT_FONT   (FIRST_STOCK_HANDLE + DEVICE_DEFAULT_FONT)
 249 #define STOCK_DEFAULT_PALETTE       (FIRST_STOCK_HANDLE + DEFAULT_PALETTE)
 250 #define STOCK_SYSTEM_FIXED_FONT     (FIRST_STOCK_HANDLE + SYSTEM_FIXED_FONT)
 251
 252 #define NB_STOCK_OBJECTS            (SYSTEM_FIXED_FONT + 1)
 253
 254 #define FIRST_STOCK_FONT            STOCK_OEM_FIXED_FONT
 255 #define LAST_STOCK_FONT             STOCK_SYSTEM_FIXED_FONT
 256
 257
 258
 259   /* Device <-> logical coords conversion */
 260
 261 #define XDPTOLP(dc,x) \
 262 (((x)-(dc)->w.VportOrgX) * (dc)->w.WndExtX / (dc)->w.VportExtX+(dc)->w.WndOrgX)
 263 #define YDPTOLP(dc,y) \
 264 (((y)-(dc)->w.VportOrgY) * (dc)->w.WndExtY / (dc)->w.VportExtY+(dc)->w.WndOrgY)
 265 #define XLPTODP(dc,x) \
 266 (((x)-(dc)->w.WndOrgX) * (dc)->w.VportExtX / (dc)->w.WndExtX+(dc)->w.VportOrgX)
 267 #define YLPTODP(dc,y) \
 268 (((y)-(dc)->w.WndOrgY) * (dc)->w.VportExtY / (dc)->w.WndExtY+(dc)->w.VportOrgY)
 269
 270
 271   /* GDI local heap */
 272
 273 extern MDESC *GDI_Heap;
 274
 275 #define GDI_HEAP_ALLOC(f,size) ((int)HEAP_Alloc(&GDI_Heap,f,size) & 0xffff)
 276 #define GDI_HEAP_ADDR(handle) ((void *)(handle | ((int)GDI_Heap & 0xffff0000)))
 277 #define GDI_HEAP_FREE(handle) (HEAP_Free(&GDI_Heap,GDI_HEAP_ADDR(handle)))
 278
 279
 280 extern HANDLE GDI_AllocObject( WORD, WORD );
 281 extern BOOL GDI_FreeObject( HANDLE );
 282 extern GDIOBJHDR * GDI_GetObjPtr( HANDLE, WORD );
 283
 284 extern Display * XT_display;
 285 extern Screen * XT_screen;
 286
 287 #endif  /* GDI_H */