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