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 #define MAGIC_DONTCARE        0xffff
  30
  31 #ifndef WINELIB
  32 #pragma pack(1)
  33 #endif
  34
  35 typedef struct tagGDIOBJHDR
  36 {
  37     HANDLE      hNext;
  38     WORD        wMagic;
  39     DWORD       dwCount;
  40     WORD        wMetaList;
  41 } GDIOBJHDR;
  42
  43
  44 typedef struct
  45 {
  46     WORD   version;       /*   0: driver version */
  47     WORD   technology;    /*   2: device technology */
  48     WORD   horzSize;      /*   4: width of display in mm */
  49     WORD   vertSize;      /*   6: height of display in mm */
  50     WORD   horzRes;       /*   8: width of display in pixels */
  51     WORD   vertRes;       /*  10: width of display in pixels */
  52     WORD   bitsPixel;     /*  12: bits per pixel */
  53     WORD   planes;        /*  14: color planes */
  54     WORD   numBrushes;    /*  16: device-specific brushes */
  55     WORD   numPens;       /*  18: device-specific pens */
  56     WORD   numMarkers;    /*  20: device-specific markers */
  57     WORD   numFonts;      /*  22: device-specific fonts */
  58     WORD   numColors;     /*  24: size of color table */
  59     WORD   pdeviceSize;   /*  26: size of PDEVICE structure */
  60     WORD   curveCaps;     /*  28: curve capabilities */
  61     WORD   lineCaps;      /*  30: line capabilities */
  62     WORD   polygonalCaps; /*  32: polygon capabilities */
  63     WORD   textCaps;      /*  34: text capabilities */
  64     WORD   clipCaps;      /*  36: clipping capabilities */
  65     WORD   rasterCaps;    /*  38: raster capabilities */
  66     WORD   aspectX;       /*  40: relative width of device pixel */
  67     WORD   aspectY;       /*  42: relative height of device pixel */
  68     WORD   aspectXY;      /*  44: relative diagonal width of device pixel */
  69     WORD   pad1[21];      /*  46-86: reserved */
  70     WORD   logPixelsX;    /*  88: pixels / logical X inch */
  71     WORD   logPixelsY;    /*  90: pixels / logical Y inch */
  72     WORD   pad2[6];       /*  92-102: reserved */
  73     WORD   sizePalette;   /* 104: entries in system palette */
  74     WORD   numReserved;   /* 106: reserved entries */
  75     WORD   colorRes;      /* 108: color resolution */
  76 } DeviceCaps;
  77
  78 #ifndef WINELIB
  79 #pragma pack(4)
  80 #endif
  81
  82
  83   /* Device independent DC information */
  84 typedef struct
  85 {
  86     int           flags;
  87     DeviceCaps   *devCaps;
  88
  89     HANDLE        hMetaFile;
  90     HRGN          hClipRgn;     /* Clip region (may be 0) */
  91     HRGN          hVisRgn;      /* Visible region (must never be 0) */
  92     HRGN          hGCClipRgn;   /* GC clip region (ClipRgn AND VisRgn) */
  93     HPEN          hPen;
  94     HBRUSH        hBrush;
  95     HFONT         hFont;
  96     HBITMAP       hBitmap;
  97     HBITMAP       hFirstBitmap; /* Bitmap selected at creation of the DC */
  98     HANDLE        hDevice;
  99     HPALETTE      hPalette;
 100
 101     WORD          ROPmode;
 102     WORD          polyFillMode;
 103     WORD          stretchBltMode;
 104     WORD          relAbsMode;
 105     WORD          backgroundMode;
 106     COLORREF      backgroundColor;
 107     COLORREF      textColor;
 108     int           backgroundPixel;
 109     int           textPixel;
 110     short         brushOrgX;
 111     short         brushOrgY;
 112
 113     WORD          textAlign;         /* Text alignment from SetTextAlign() */
 114     short         charExtra;         /* Spacing from SetTextCharacterExtra() */
 115     short         breakTotalExtra;   /* Total extra space for justification */
 116     short         breakCount;        /* Break char. count */
 117     short         breakExtra;        /* breakTotalExtra / breakCount */
 118     short         breakRem;          /* breakTotalExtra % breakCount */
 119
 120     BYTE          bitsPerPixel;
 121
 122     WORD          MapMode;
 123     short         DCOrgX;            /* DC origin */
 124     short         DCOrgY;
 125     short         CursPosX;          /* Current position */
 126     short         CursPosY;
 127     short         WndOrgX;
 128     short         WndOrgY;
 129     short         WndExtX;
 130     short         WndExtY;
 131     short         VportOrgX;
 132     short         VportOrgY;
 133     short         VportExtX;
 134     short         VportExtY;
 135 } WIN_DC_INFO;
 136
 137
 138   /* X physical pen */
 139 typedef struct
 140 {
 141     int          style;
 142     int          pixel;
 143     int          width;
 144     char *       dashes;
 145     int          dash_len;
 146 } X_PHYSPEN;
 147
 148   /* X physical brush */
 149 typedef struct
 150 {
 151     int          style;
 152     int          fillStyle;
 153     int          pixel;
 154     Pixmap       pixmap;
 155 } X_PHYSBRUSH;
 156
 157   /* X physical font */
 158 typedef struct
 159 {
 160     XFontStruct * fstruct;
 161     TEXTMETRIC    metrics;
 162 } X_PHYSFONT;
 163
 164   /* X physical palette information */
 165 typedef struct
 166 {
 167     HANDLE    hMapping;     /* Color mapping table (or 0 for identity) */
 168     HANDLE    hRevMapping;  /* Reverse color mapping table */
 169     WORD      mappingSize;
 170 } X_PHYSPALETTE;
 171
 172   /* X-specific DC information */
 173 typedef struct
 174 {
 175     GC            gc;          /* X Window GC */
 176     Drawable      drawable;
 177     X_PHYSFONT    font;
 178     X_PHYSPEN     pen;
 179     X_PHYSBRUSH   brush;
 180     X_PHYSPALETTE pal;
 181 } X_DC_INFO;
 182
 183
 184 typedef struct tagDC
 185 {
 186     GDIOBJHDR     header;
 187     WORD          saveLevel;
 188     WIN_DC_INFO   w;
 189     union
 190     {
 191         X_DC_INFO x;
 192         /* other devices (e.g. printer) */
 193     } u;
 194 } DC;
 195
 196   /* DC flags */
 197 #define DC_MEMORY     1   /* It is a memory DC */
 198 #define DC_SAVED      2   /* It is a saved DC */
 199
 200   /* Last 32 bytes are reserved for stock object handles */
 201 #ifdef WINELIB32
 202 /* Stupid overloading (see DefWindowProc, case WM_ERASEBKGND) */
 203 #define GDI_HEAP_SIZE               (COLOR_BTNHIGHLIGHT+1)
 204 #else
 205 #define GDI_HEAP_SIZE               0xffe0
 206 #endif
 207
 208   /* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
 209 #define FIRST_STOCK_HANDLE          GDI_HEAP_SIZE
 210
 211   /* Stock objects handles */
 212
 213 #define NB_STOCK_OBJECTS          (SYSTEM_FIXED_FONT + 1)
 214
 215 #define STOCK_WHITE_BRUSH         ((HBRUSH)(FIRST_STOCK_HANDLE+WHITE_BRUSH))
 216 #define STOCK_LTGRAY_BRUSH        ((HBRUSH)(FIRST_STOCK_HANDLE+LTGRAY_BRUSH))
 217 #define STOCK_GRAY_BRUSH          ((HBRUSH)(FIRST_STOCK_HANDLE+GRAY_BRUSH))
 218 #define STOCK_DKGRAY_BRUSH        ((HBRUSH)(FIRST_STOCK_HANDLE+DKGRAY_BRUSH))
 219 #define STOCK_BLACK_BRUSH         ((HBRUSH)(FIRST_STOCK_HANDLE+BLACK_BRUSH))
 220 #define STOCK_NULL_BRUSH          ((HBRUSH)(FIRST_STOCK_HANDLE+NULL_BRUSH))
 221 #define STOCK_HOLLOW_BRUSH        ((HBRUSH)(FIRST_STOCK_HANDLE+HOLLOW_BRUSH))
 222 #define STOCK_WHITE_PEN           ((HPEN)(FIRST_STOCK_HANDLE+WHITE_PEN))
 223 #define STOCK_BLACK_PEN           ((HPEN)(FIRST_STOCK_HANDLE+BLACK_PEN))
 224 #define STOCK_NULL_PEN            ((HPEN)(FIRST_STOCK_HANDLE+NULL_PEN))
 225 #define STOCK_OEM_FIXED_FONT      ((HFONT)(FIRST_STOCK_HANDLE+OEM_FIXED_FONT))
 226 #define STOCK_ANSI_FIXED_FONT     ((HFONT)(FIRST_STOCK_HANDLE+ANSI_FIXED_FONT))
 227 #define STOCK_ANSI_VAR_FONT       ((HFONT)(FIRST_STOCK_HANDLE+ANSI_VAR_FONT))
 228 #define STOCK_SYSTEM_FONT         ((HFONT)(FIRST_STOCK_HANDLE+SYSTEM_FONT))
 229 #define STOCK_DEVICE_DEFAULT_FONT ((HFONT)(FIRST_STOCK_HANDLE+DEVICE_DEFAULT_FONT))
 230 #define STOCK_DEFAULT_PALETTE     ((HPALETTE)(FIRST_STOCK_HANDLE+DEFAULT_PALETTE))
 231 #define STOCK_SYSTEM_FIXED_FONT   ((HFONT)(FIRST_STOCK_HANDLE+SYSTEM_FIXED_FONT))
 232
 233 #define FIRST_STOCK_FONT          STOCK_OEM_FIXED_FONT
 234 #define LAST_STOCK_FONT           STOCK_SYSTEM_FIXED_FONT
 235
 236 #define LAST_STOCK_HANDLE         ((DWORD)STOCK_SYSTEM_FIXED_FONT)
 237
 238   /* Device <-> logical coords conversion */
 239
 240 #define XDPTOLP(dc,x) \
 241 (((x)-(dc)->w.VportOrgX) * (dc)->w.WndExtX / (dc)->w.VportExtX+(dc)->w.WndOrgX)
 242 #define YDPTOLP(dc,y) \
 243 (((y)-(dc)->w.VportOrgY) * (dc)->w.WndExtY / (dc)->w.VportExtY+(dc)->w.WndOrgY)
 244 #define XLPTODP(dc,x) \
 245 (((x)-(dc)->w.WndOrgX) * (dc)->w.VportExtX / (dc)->w.WndExtX+(dc)->w.VportOrgX)
 246 #define YLPTODP(dc,y) \
 247 (((y)-(dc)->w.WndOrgY) * (dc)->w.VportExtY / (dc)->w.WndExtY+(dc)->w.VportOrgY)
 248
 249
 250   /* GDI local heap */
 251
 252 #ifdef WINELIB
 253
 254 #define GDI_HEAP_ALLOC(size)     LocalAlloc (LMEM_FIXED,size)
 255 #define GDI_HEAP_LIN_ADDR(handle)  LocalLock (handle)
 256 #define GDI_HEAP_SEG_ADDR(handle)  LocalLock (handle)
 257 #define GDI_HEAP_FREE(handle)      LocalFree (handle)
 258
 259 #else
 260
 261 extern WORD GDI_HeapSel;
 262
 263 #define GDI_HEAP_ALLOC(size) \
 264             LOCAL_Alloc( GDI_HeapSel, LMEM_FIXED, (size) )
 265 #define GDI_HEAP_REALLOC(handle,size) \
 266             LOCAL_ReAlloc( GDI_HeapSel, (handle), (size), LMEM_FIXED )
 267 #define GDI_HEAP_FREE(handle) \
 268             LOCAL_Free( GDI_HeapSel, (handle) )
 269 #define GDI_HEAP_LIN_ADDR(handle)  \
 270             ((handle) ? PTR_SEG_OFF_TO_LIN(GDI_HeapSel, (handle)) : NULL)
 271 #define GDI_HEAP_SEG_ADDR(handle)  \
 272             ((handle) ? MAKELONG((handle), GDI_HeapSel) : 0)
 273
 274 #endif
 275
 276 extern BOOL GDI_Init(void);
 277 extern HANDLE GDI_AllocObject( WORD, WORD );
 278 extern BOOL GDI_FreeObject( HANDLE );
 279 extern GDIOBJHDR * GDI_GetObjPtr( HANDLE, WORD );
 280
 281 extern Display * display;
 282 extern Screen * screen;
 283 extern Window rootWindow;
 284 extern int screenWidth, screenHeight, screenDepth;
 285 extern int desktopX, desktopY;   /* misc/main.c */
 286
 287 #endif  /* GDI_H */