4 * Copyright 1993 Alexandre Julliard
11 #include <X11/Xutil.h>
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
35 typedef struct tagGDIOBJHDR
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 */
83 /* Device independent DC information */
90 HRGN16 hClipRgn; /* Clip region (may be 0) */
91 HRGN16 hVisRgn; /* Visible region (must never be 0) */
92 HRGN16 hGCClipRgn; /* GC clip region (ClipRgn AND VisRgn) */
97 HBITMAP16 hFirstBitmap; /* Bitmap selected at creation of the DC */
106 COLORREF backgroundColor;
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 */
123 short DCOrgX; /* DC origin */
125 short CursPosX; /* Current position */
148 /* X physical brush */
157 /* X physical font */
160 XFontStruct * fstruct;
161 TEXTMETRIC16 metrics;
164 /* X physical palette information */
167 HANDLE16 hMapping; /* Color mapping table (or 0 for identity) */
168 HANDLE16 hRevMapping; /* Reverse color mapping table */
172 /* X-specific DC information */
175 GC gc; /* X Window GC */
195 /* other devices (e.g. printer) */
200 #define DCHC_INVALIDVISRGN 0x0001
201 #define DCHC_DELETEDC 0x0002
203 #define DCHF_INVALIDATEVISRGN 0x0001
204 #define DCHF_VALIDATEVISRGN 0x0002
207 #define DC_MEMORY 0x0001 /* It is a memory DC */
208 #define DC_SAVED 0x0002 /* It is a saved DC */
209 #define DC_DIRTY 0x0004 /* hVisRgn has to be updated */
210 #define DC_THUNKHOOK 0x0008 /* DC hook is in the 16-bit code */
212 /* Last 32 bytes are reserved for stock object handles */
213 #define GDI_HEAP_SIZE 0xffe0
215 /* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
216 #define FIRST_STOCK_HANDLE GDI_HEAP_SIZE
218 /* Stock objects handles */
220 #define NB_STOCK_OBJECTS (SYSTEM_FIXED_FONT + 1)
222 #define STOCK_WHITE_BRUSH ((HBRUSH)(FIRST_STOCK_HANDLE+WHITE_BRUSH))
223 #define STOCK_LTGRAY_BRUSH ((HBRUSH)(FIRST_STOCK_HANDLE+LTGRAY_BRUSH))
224 #define STOCK_GRAY_BRUSH ((HBRUSH)(FIRST_STOCK_HANDLE+GRAY_BRUSH))
225 #define STOCK_DKGRAY_BRUSH ((HBRUSH)(FIRST_STOCK_HANDLE+DKGRAY_BRUSH))
226 #define STOCK_BLACK_BRUSH ((HBRUSH)(FIRST_STOCK_HANDLE+BLACK_BRUSH))
227 #define STOCK_NULL_BRUSH ((HBRUSH)(FIRST_STOCK_HANDLE+NULL_BRUSH))
228 #define STOCK_HOLLOW_BRUSH ((HBRUSH)(FIRST_STOCK_HANDLE+HOLLOW_BRUSH))
229 #define STOCK_WHITE_PEN ((HPEN16)(FIRST_STOCK_HANDLE+WHITE_PEN))
230 #define STOCK_BLACK_PEN ((HPEN16)(FIRST_STOCK_HANDLE+BLACK_PEN))
231 #define STOCK_NULL_PEN ((HPEN16)(FIRST_STOCK_HANDLE+NULL_PEN))
232 #define STOCK_OEM_FIXED_FONT ((HFONT)(FIRST_STOCK_HANDLE+OEM_FIXED_FONT))
233 #define STOCK_ANSI_FIXED_FONT ((HFONT)(FIRST_STOCK_HANDLE+ANSI_FIXED_FONT))
234 #define STOCK_ANSI_VAR_FONT ((HFONT)(FIRST_STOCK_HANDLE+ANSI_VAR_FONT))
235 #define STOCK_SYSTEM_FONT ((HFONT)(FIRST_STOCK_HANDLE+SYSTEM_FONT))
236 #define STOCK_DEVICE_DEFAULT_FONT ((HFONT)(FIRST_STOCK_HANDLE+DEVICE_DEFAULT_FONT))
237 #define STOCK_DEFAULT_PALETTE ((HPALETTE16)(FIRST_STOCK_HANDLE+DEFAULT_PALETTE))
238 #define STOCK_SYSTEM_FIXED_FONT ((HFONT)(FIRST_STOCK_HANDLE+SYSTEM_FIXED_FONT))
240 #define FIRST_STOCK_FONT STOCK_OEM_FIXED_FONT
241 #define LAST_STOCK_FONT STOCK_SYSTEM_FIXED_FONT
243 #define LAST_STOCK_HANDLE ((DWORD)STOCK_SYSTEM_FIXED_FONT)
245 /* Device <-> logical coords conversion */
247 #define XDPTOLP(dc,x) \
248 (((x)-(dc)->w.VportOrgX) * (dc)->w.WndExtX / (dc)->w.VportExtX+(dc)->w.WndOrgX)
249 #define YDPTOLP(dc,y) \
250 (((y)-(dc)->w.VportOrgY) * (dc)->w.WndExtY / (dc)->w.VportExtY+(dc)->w.WndOrgY)
251 #define XLPTODP(dc,x) \
252 (((x)-(dc)->w.WndOrgX) * (dc)->w.VportExtX / (dc)->w.WndExtX+(dc)->w.VportOrgX)
253 #define YLPTODP(dc,y) \
254 (((y)-(dc)->w.WndOrgY) * (dc)->w.VportExtY / (dc)->w.WndExtY+(dc)->w.VportOrgY)
259 extern WORD GDI_HeapSel;
261 #define GDI_HEAP_ALLOC(size) \
262 LOCAL_Alloc( GDI_HeapSel, LMEM_FIXED, (size) )
263 #define GDI_HEAP_REALLOC(handle,size) \
264 LOCAL_ReAlloc( GDI_HeapSel, (handle), (size), LMEM_FIXED )
265 #define GDI_HEAP_FREE(handle) \
266 LOCAL_Free( GDI_HeapSel, (handle) )
267 #define GDI_HEAP_LIN_ADDR(handle) \
268 ((handle) ? PTR_SEG_OFF_TO_LIN(GDI_HeapSel, (handle)) : NULL)
271 #define GDI_HEAP_SEG_ADDR(handle) ((SEGPTR)GDI_HEAP_LIN_ADDR(handle))
273 #define GDI_HEAP_SEG_ADDR(handle) \
274 ((handle) ? MAKELONG((handle), GDI_HeapSel) : 0)
278 extern BOOL32 GDI_Init(void);
279 extern HANDLE16 GDI_AllocObject( WORD, WORD );
280 extern BOOL32 GDI_FreeObject( HANDLE16 );
281 extern GDIOBJHDR * GDI_GetObjPtr( HANDLE16, WORD );
282 extern FARPROC16 GDI_GetDefDCHook(void);
284 extern Display * display;
285 extern Screen * screen;
286 extern Window rootWindow;
287 extern int screenWidth, screenHeight, screenDepth;
288 extern int desktopX, desktopY; /* misc/main.c */