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 #pragma pack(1)
  31
  32 typedef struct tagREGION
  33 {
  34     WORD        type;
  35     RECT        box;
  36     Pixmap      pixmap;
  37     Region      xrgn;
  38 } REGION;
  39
  40 typedef struct tagGDIOBJHDR
  41 {
  42     HANDLE      hNext;
  43     WORD        wMagic;
  44     DWORD       dwCount;
  45     WORD        wMetaList;
  46 } GDIOBJHDR;
  47
  48 typedef struct tagBRUSHOBJ
  49 {
  50     GDIOBJHDR   header;
  51     LOGBRUSH    logbrush WINE_PACKED;
  52 } BRUSHOBJ;
  53
  54 typedef struct tagPENOBJ
  55 {
  56     GDIOBJHDR   header;
  57     LOGPEN      logpen WINE_PACKED;
  58 } PENOBJ;
  59
  60 typedef struct tagPALETTEOBJ
  61 {
  62     GDIOBJHDR   header;
  63     LOGPALETTE  logpalette WINE_PACKED;
  64 } PALETTEOBJ;
  65
  66 typedef struct tagFONTOBJ
  67 {
  68     GDIOBJHDR   header;
  69     LOGFONT     logfont WINE_PACKED;
  70 } FONTOBJ;
  71
  72 typedef struct tagBITMAPOBJ
  73 {
  74     GDIOBJHDR   header;
  75     BITMAP      bitmap;
  76     Pixmap      pixmap;
  77     SIZE        size;   /* For SetBitmapDimension() */
  78 } BITMAPOBJ;
  79
  80 typedef struct tagRGNOBJ
  81 {
  82     GDIOBJHDR   header;
  83     REGION      region;
  84 } RGNOBJ;
  85
  86 #pragma pack(4)
  87
  88 typedef struct
  89 {
  90     WORD   version;       /*   0: driver version */
  91     WORD   technology;    /*   2: device technology */
  92     WORD   horzSize;      /*   4: width of display in mm */
  93     WORD   vertSize;      /*   6: height of display in mm */
  94     WORD   horzRes;       /*   8: width of display in pixels */
  95     WORD   vertRes;       /*  10: width of display in pixels */
  96     WORD   bitsPixel;     /*  12: bits per pixel */
  97     WORD   planes;        /*  14: color planes */
  98     WORD   numBrushes;    /*  16: device-specific brushes */
  99     WORD   numPens;       /*  18: device-specific pens */
 100     WORD   numMarkers;    /*  20: device-specific markers */
 101     WORD   numFonts;      /*  22: device-specific fonts */
 102     WORD   numColors;     /*  24: size of color table */
 103     WORD   pdeviceSize;   /*  26: size of PDEVICE structure */
 104     WORD   curveCaps;     /*  28: curve capabilities */
 105     WORD   lineCaps;      /*  30: line capabilities */
 106     WORD   polygonalCaps; /*  32: polygon capabilities */
 107     WORD   textCaps;      /*  34: text capabilities */
 108     WORD   clipCaps;      /*  36: clipping capabilities */
 109     WORD   rasterCaps;    /*  38: raster capabilities */
 110     WORD   aspectX;       /*  40: relative width of device pixel */
 111     WORD   aspectY;       /*  42: relative height of device pixel */
 112     WORD   aspectXY;      /*  44: relative diagonal width of device pixel */
 113     WORD   pad1[21];      /*  46-86: reserved */
 114     WORD   logPixelsX;    /*  88: pixels / logical X inch */
 115     WORD   logPixelsY;    /*  90: pixels / logical Y inch */
 116     WORD   pad2[6];       /*  92-102: reserved */
 117     WORD   sizePalette;   /* 104: entries in system palette */
 118     WORD   numReserved;   /* 106: reserved entries */
 119     WORD   colorRes;      /* 108: color resolution */
 120 } DeviceCaps;
 121
 122
 123   /* Device independent DC information */
 124 typedef struct
 125 {
 126     int           flags;
 127     DeviceCaps   *devCaps;
 128
 129     HANDLE        hMetaFile;
 130     HRGN          hClipRgn;     /* Clip region (may be 0) */
 131     HRGN          hVisRgn;      /* Visible region (must never be 0) */
 132     HRGN          hGCClipRgn;   /* GC clip region (ClipRgn AND VisRgn) */
 133     HPEN          hPen;
 134     HBRUSH        hBrush;
 135     HFONT         hFont;
 136     HBITMAP       hBitmap;
 137     HANDLE        hDevice;
 138     HPALETTE      hPalette;
 139
 140     WORD          ROPmode;
 141     WORD          polyFillMode;
 142     WORD          stretchBltMode;
 143     WORD          relAbsMode;
 144     WORD          backgroundMode;
 145     COLORREF      backgroundColor;
 146     COLORREF      textColor;
 147     int           backgroundPixel;
 148     int           textPixel;
 149     short         brushOrgX;
 150     short         brushOrgY;
 151
 152     WORD          textAlign;         /* Text alignment from SetTextAlign() */
 153     short         charExtra;         /* Spacing from SetTextCharacterExtra() */
 154     short         breakTotalExtra;   /* Total extra space for justification */
 155     short         breakCount;        /* Break char. count */
 156     short         breakExtra;        /* breakTotalExtra / breakCount */
 157     short         breakRem;          /* breakTotalExtra % breakCount */
 158
 159     BYTE          bitsPerPixel;
 160
 161     WORD          MapMode;
 162     short         DCOrgX;            /* DC origin */
 163     short         DCOrgY;
 164     short         CursPosX;          /* Current position */
 165     short         CursPosY;
 166     short         WndOrgX;
 167     short         WndOrgY;
 168     short         WndExtX;
 169     short         WndExtY;
 170     short         VportOrgX;
 171     short         VportOrgY;
 172     short         VportExtX;
 173     short         VportExtY;
 174 } WIN_DC_INFO;
 175
 176
 177   /* X physical pen */
 178 typedef struct
 179 {
 180     int          style;
 181     int          pixel;
 182     int          width;
 183     char *       dashes;
 184     int          dash_len;
 185 } X_PHYSPEN;
 186
 187   /* X physical brush */
 188 typedef struct
 189 {
 190     int          style;
 191     int          fillStyle;
 192     int          pixel;
 193     Pixmap       pixmap;
 194 } X_PHYSBRUSH;
 195
 196   /* X physical font */
 197 typedef struct
 198 {
 199     XFontStruct * fstruct;
 200     TEXTMETRIC    metrics;
 201 } X_PHYSFONT;
 202
 203   /* X physical palette information */
 204 typedef struct
 205 {
 206     HANDLE    hMapping;     /* Color mapping table (or 0 for identity) */
 207     HANDLE    hRevMapping;  /* Reverse color mapping table */
 208     WORD      mappingSize;
 209 } X_PHYSPALETTE;
 210
 211   /* X-specific DC information */
 212 typedef struct
 213 {
 214     GC            gc;          /* X Window GC */
 215     Drawable      drawable;
 216     X_PHYSFONT    font;
 217     X_PHYSPEN     pen;
 218     X_PHYSBRUSH   brush;
 219     X_PHYSPALETTE pal;
 220 } X_DC_INFO;
 221
 222
 223 typedef struct tagDC
 224 {
 225     GDIOBJHDR     header;
 226     WORD          saveLevel;
 227     WIN_DC_INFO   w;
 228     union
 229     {
 230         X_DC_INFO x;
 231         /* other devices (e.g. printer) */
 232     } u;
 233 } DC;
 234
 235   /* DC flags */
 236 #define DC_MEMORY     1   /* It is a memory DC */
 237 #define DC_SAVED      2   /* It is a saved DC */
 238
 239   /* Last 32 bytes are reserved for stock object handles */
 240 #define GDI_HEAP_SIZE               0xffe0
 241
 242   /* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
 243 #define FIRST_STOCK_HANDLE          GDI_HEAP_SIZE
 244
 245   /* Stock objects handles */
 246
 247 #define STOCK_WHITE_BRUSH           (FIRST_STOCK_HANDLE + WHITE_BRUSH)
 248 #define STOCK_LTGRAY_BRUSH          (FIRST_STOCK_HANDLE + LTGRAY_BRUSH)
 249 #define STOCK_GRAY_BRUSH            (FIRST_STOCK_HANDLE + GRAY_BRUSH)
 250 #define STOCK_DKGRAY_BRUSH          (FIRST_STOCK_HANDLE + DKGRAY_BRUSH)
 251 #define STOCK_BLACK_BRUSH           (FIRST_STOCK_HANDLE + BLACK_BRUSH)
 252 #define STOCK_NULL_BRUSH            (FIRST_STOCK_HANDLE + NULL_BRUSH)
 253 #define STOCK_HOLLOW_BRUSH          (FIRST_STOCK_HANDLE + HOLLOW_BRUSH)
 254 #define STOCK_WHITE_PEN             (FIRST_STOCK_HANDLE + WHITE_PEN)
 255 #define STOCK_BLACK_PEN             (FIRST_STOCK_HANDLE + BLACK_PEN)
 256 #define STOCK_NULL_PEN              (FIRST_STOCK_HANDLE + NULL_PEN)
 257 #define STOCK_OEM_FIXED_FONT        (FIRST_STOCK_HANDLE + OEM_FIXED_FONT)
 258 #define STOCK_ANSI_FIXED_FONT       (FIRST_STOCK_HANDLE + ANSI_FIXED_FONT)
 259 #define STOCK_ANSI_VAR_FONT         (FIRST_STOCK_HANDLE + ANSI_VAR_FONT)
 260 #define STOCK_SYSTEM_FONT           (FIRST_STOCK_HANDLE + SYSTEM_FONT)
 261 #define STOCK_DEVICE_DEFAULT_FONT   (FIRST_STOCK_HANDLE + DEVICE_DEFAULT_FONT)
 262 #define STOCK_DEFAULT_PALETTE       (FIRST_STOCK_HANDLE + DEFAULT_PALETTE)
 263 #define STOCK_SYSTEM_FIXED_FONT     (FIRST_STOCK_HANDLE + SYSTEM_FIXED_FONT)
 264
 265 #define NB_STOCK_OBJECTS            (SYSTEM_FIXED_FONT + 1)
 266
 267 #define FIRST_STOCK_FONT            STOCK_OEM_FIXED_FONT
 268 #define LAST_STOCK_FONT             STOCK_SYSTEM_FIXED_FONT
 269
 270
 271
 272   /* Device <-> logical coords conversion */
 273
 274 #define XDPTOLP(dc,x) \
 275 (((x)-(dc)->w.VportOrgX) * (dc)->w.WndExtX / (dc)->w.VportExtX+(dc)->w.WndOrgX)
 276 #define YDPTOLP(dc,y) \
 277 (((y)-(dc)->w.VportOrgY) * (dc)->w.WndExtY / (dc)->w.VportExtY+(dc)->w.WndOrgY)
 278 #define XLPTODP(dc,x) \
 279 (((x)-(dc)->w.WndOrgX) * (dc)->w.VportExtX / (dc)->w.WndExtX+(dc)->w.VportOrgX)
 280 #define YLPTODP(dc,y) \
 281 (((y)-(dc)->w.WndOrgY) * (dc)->w.VportExtY / (dc)->w.WndExtY+(dc)->w.VportOrgY)
 282
 283
 284   /* GDI local heap */
 285
 286 #ifdef WINELIB
 287
 288 #define GDI_HEAP_ALLOC(f,size) LocalAlloc (f,size)
 289 #define GDI_HEAP_ADDR(handle)  LocalLock (handle)
 290 #define GDI_HEAP_FREE(handle)  LocalFree (handle)
 291
 292 #else
 293
 294 extern MDESC *GDI_Heap;
 295
 296 #define GDI_HEAP_ALLOC(f,size) ((int)HEAP_Alloc(&GDI_Heap,f,size) & 0xffff)
 297 #define GDI_HEAP_FREE(handle) (HEAP_Free(&GDI_Heap,GDI_HEAP_ADDR(handle)))
 298 #define GDI_HEAP_ADDR(handle) \
 299     ((void *)((handle) ? ((handle) | ((int)GDI_Heap & 0xffff0000)) : 0))
 300
 301 #endif
 302
 303 extern BOOL GDI_Init(void);
 304 extern HANDLE GDI_AllocObject( WORD, WORD );
 305 extern BOOL GDI_FreeObject( HANDLE );
 306 extern GDIOBJHDR * GDI_GetObjPtr( HANDLE, WORD );
 307
 308 extern Display * display;
 309 extern Screen * screen;
 310 extern Window rootWindow;
 311 extern int screenWidth, screenHeight, screenDepth;
 312 extern int desktopX, desktopY;   /* misc/main.c */
 313
 314 #endif  /* GDI_H */