4 * Copyright 1993 Alexandre Julliard
19 /* #define DEBUG_GDI */
23 LPSTR GDI_Heap
= NULL
;
26 /* Object types for EnumObjects() */
31 HANDLE
*lpPenBrushList
= NULL
;
34 /***********************************************************************
38 static BRUSHOBJ WhiteBrush
=
40 { 0, BRUSH_MAGIC
, 1, 0 }, /* header */
41 { BS_SOLID
, RGB(255,255,255), 0 } /* logbrush */
44 static BRUSHOBJ LtGrayBrush
=
46 { 0, BRUSH_MAGIC
, 1, 0 }, /* header */
47 { BS_SOLID
, RGB(192,192,192), 0 } /* logbrush */
50 static BRUSHOBJ GrayBrush
=
52 { 0, BRUSH_MAGIC
, 1, 0 }, /* header */
53 { BS_SOLID
, RGB(128,128,128), 0 } /* logbrush */
56 static BRUSHOBJ DkGrayBrush
=
58 { 0, BRUSH_MAGIC
, 1, 0 }, /* header */
59 { BS_SOLID
, RGB(64,64,64), 0 } /* logbrush */
62 static BRUSHOBJ BlackBrush
=
64 { 0, BRUSH_MAGIC
, 1, 0 }, /* header */
65 { BS_SOLID
, RGB(0,0,0), 0 } /* logbrush */
68 static BRUSHOBJ NullBrush
=
70 { 0, BRUSH_MAGIC
, 1, 0 }, /* header */
71 { BS_NULL
, 0, 0 } /* logbrush */
74 static PENOBJ WhitePen
=
76 { 0, PEN_MAGIC
, 1, 0 }, /* header */
77 { PS_SOLID
, { 1, 0 }, RGB(255,255,255) } /* logpen */
80 static PENOBJ BlackPen
=
82 { 0, PEN_MAGIC
, 1, 0 }, /* header */
83 { PS_SOLID
, { 1, 0 }, RGB(0,0,0) } /* logpen */
86 static PENOBJ NullPen
=
88 { 0, PEN_MAGIC
, 1, 0 }, /* header */
89 { PS_NULL
, { 1, 0 }, 0 } /* logpen */
92 static FONTOBJ OEMFixedFont
=
94 { 0, FONT_MAGIC
, 1, 0 }, /* header */
95 { 12, 0, 0, 0, FW_NORMAL
, FALSE
, FALSE
, FALSE
, OEM_CHARSET
,
96 0, 0, DEFAULT_QUALITY
, FIXED_PITCH
| FF_MODERN
, "" }
99 static FONTOBJ AnsiFixedFont
=
101 { 0, FONT_MAGIC
, 1, 0 }, /* header */
102 { 12, 0, 0, 0, FW_NORMAL
, FALSE
, FALSE
, FALSE
, ANSI_CHARSET
,
103 0, 0, DEFAULT_QUALITY
, FIXED_PITCH
| FF_MODERN
, "" }
106 static FONTOBJ AnsiVarFont
=
108 { 0, FONT_MAGIC
, 1, 0 }, /* header */
109 { 12, 0, 0, 0, FW_NORMAL
, FALSE
, FALSE
, FALSE
, ANSI_CHARSET
,
110 0, 0, DEFAULT_QUALITY
, VARIABLE_PITCH
| FF_SWISS
, "" }
113 static FONTOBJ SystemFont
=
115 { 0, FONT_MAGIC
, 1, 0 }, /* header */
116 { 12, 0, 0, 0, FW_NORMAL
, FALSE
, FALSE
, FALSE
, ANSI_CHARSET
,
117 0, 0, DEFAULT_QUALITY
, VARIABLE_PITCH
| FF_SWISS
, "" }
120 static FONTOBJ DeviceDefaultFont
=
122 { 0, FONT_MAGIC
, 1, 0 }, /* header */
123 { 12, 0, 0, 0, FW_NORMAL
, FALSE
, FALSE
, FALSE
, ANSI_CHARSET
,
124 0, 0, DEFAULT_QUALITY
, VARIABLE_PITCH
| FF_SWISS
, "" }
127 static FONTOBJ SystemFixedFont
=
129 { 0, FONT_MAGIC
, 1, 0 }, /* header */
130 { 12, 0, 0, 0, FW_NORMAL
, FALSE
, FALSE
, FALSE
, ANSI_CHARSET
,
131 0, 0, DEFAULT_QUALITY
, FIXED_PITCH
| FF_MODERN
, "" }
135 static GDIOBJHDR
* StockObjects
[NB_STOCK_OBJECTS
] =
137 (GDIOBJHDR
*) &WhiteBrush
,
138 (GDIOBJHDR
*) &LtGrayBrush
,
139 (GDIOBJHDR
*) &GrayBrush
,
140 (GDIOBJHDR
*) &DkGrayBrush
,
141 (GDIOBJHDR
*) &BlackBrush
,
142 (GDIOBJHDR
*) &NullBrush
,
143 (GDIOBJHDR
*) &WhitePen
,
144 (GDIOBJHDR
*) &BlackPen
,
145 (GDIOBJHDR
*) &NullPen
,
147 (GDIOBJHDR
*) &OEMFixedFont
,
148 (GDIOBJHDR
*) &AnsiFixedFont
,
149 (GDIOBJHDR
*) &AnsiVarFont
,
150 (GDIOBJHDR
*) &SystemFont
,
151 (GDIOBJHDR
*) &DeviceDefaultFont
,
152 NULL
, /* DEFAULT_PALETTE created by COLOR_Init */
153 (GDIOBJHDR
*) &SystemFixedFont
157 /***********************************************************************
160 * GDI initialisation.
167 /* Create GDI heap */
169 if (!(GDI_HeapSel
= GlobalAlloc(GMEM_FIXED
, GDI_HEAP_SIZE
))) return FALSE
;
170 GDI_Heap
= GlobalLock( GDI_HeapSel
);
171 LocalInit( GDI_HeapSel
, 0, GDI_HEAP_SIZE
-1 );
174 /* Create default palette */
176 if (!(hpalette
= COLOR_Init())) return FALSE
;
177 StockObjects
[DEFAULT_PALETTE
] = (GDIOBJHDR
*) GDI_HEAP_LIN_ADDR( hpalette
);
179 /* Create default bitmap */
181 if (!BITMAP_Init()) return FALSE
;
183 /* Initialise brush dithering */
185 if (!BRUSH_Init()) return FALSE
;
187 /* Initialise fonts */
189 if (!FONT_Init()) return FALSE
;
195 /***********************************************************************
196 * GDI_AppendToPenBrushList
198 BOOL
GDI_AppendToPenBrushList(HANDLE hNewObj
)
202 if (hNewObj
== 0) return FALSE
;
203 if (lpPenBrushList
== NULL
) {
204 lpPenBrushList
= xmalloc(MAX_OBJ
* sizeof(HANDLE
));
205 lpPenBrushList
[0] = 0;
206 dprintf_gdi(stddeb
,"GDI_AppendToPenBrushList() lpPenBrushList allocated !\n");
208 for (lphObj
= lpPenBrushList
; i
< MAX_OBJ
; i
++) {
212 dprintf_gdi(stddeb
,"GDI_AppendToPenBrushList("NPFMT
") appended (count=%d)\n", hNewObj
, i
);
221 /***********************************************************************
224 HANDLE
GDI_AllocObject( WORD size
, WORD magic
)
226 static DWORD count
= 0;
228 HANDLE handle
= GDI_HEAP_ALLOC( size
);
229 if (!handle
) return 0;
230 obj
= (GDIOBJHDR
*) GDI_HEAP_LIN_ADDR( handle
);
233 obj
->dwCount
= ++count
;
234 if (magic
== PEN_MAGIC
|| magic
== BRUSH_MAGIC
) {
235 GDI_AppendToPenBrushList(handle
);
241 /***********************************************************************
244 BOOL
GDI_FreeObject( HANDLE handle
)
248 /* Can't free stock objects */
249 if ((DWORD
)handle
>= FIRST_STOCK_HANDLE
&&
250 (DWORD
)handle
<= LAST_STOCK_HANDLE
) return TRUE
;
252 object
= (GDIOBJHDR
*) GDI_HEAP_LIN_ADDR( handle
);
253 if (!object
) return FALSE
;
254 object
->wMagic
= 0; /* Mark it as invalid */
258 GDI_HEAP_FREE( handle
);
262 /***********************************************************************
265 * Return a pointer to the GDI object associated to the handle.
266 * Return NULL if the object has the wrong magic number.
268 GDIOBJHDR
* GDI_GetObjPtr( HANDLE handle
, WORD magic
)
270 GDIOBJHDR
* ptr
= NULL
;
272 if ((DWORD
)handle
>= FIRST_STOCK_HANDLE
&&
273 (DWORD
)handle
<= LAST_STOCK_HANDLE
)
274 ptr
= StockObjects
[(DWORD
)handle
- FIRST_STOCK_HANDLE
];
276 ptr
= (GDIOBJHDR
*) GDI_HEAP_LIN_ADDR( handle
);
277 if (!ptr
) return NULL
;
278 if (ptr
->wMagic
!= magic
) return NULL
;
283 /***********************************************************************
284 * DeleteObject (GDI.69)
286 BOOL
DeleteObject( HANDLE obj
)
288 /* Check if object is valid */
290 GDIOBJHDR
* header
= (GDIOBJHDR
*) GDI_HEAP_LIN_ADDR( obj
);
291 if (!header
) return FALSE
;
293 dprintf_gdi(stddeb
, "DeleteObject: "NPFMT
"\n", obj
);
297 switch(header
->wMagic
)
299 case PEN_MAGIC
: return GDI_FreeObject( obj
);
300 case BRUSH_MAGIC
: return BRUSH_DeleteObject( obj
, (BRUSHOBJ
*)header
);
301 case FONT_MAGIC
: return GDI_FreeObject( obj
);
302 case PALETTE_MAGIC
: return GDI_FreeObject( obj
);
303 case BITMAP_MAGIC
: return BITMAP_DeleteObject( obj
, (BITMAPOBJ
*)header
);
304 case REGION_MAGIC
: return REGION_DeleteObject( obj
, (RGNOBJ
*)header
);
310 /***********************************************************************
311 * GetStockObject (GDI.87)
313 HANDLE
GetStockObject( int obj
)
315 if ((obj
< 0) || (obj
>= NB_STOCK_OBJECTS
)) return 0;
316 if (!StockObjects
[obj
]) return 0;
317 dprintf_gdi(stddeb
, "GetStockObject: returning %ld\n",
318 (DWORD
)FIRST_STOCK_HANDLE
+ obj
);
319 return (HANDLE
)((DWORD
)FIRST_STOCK_HANDLE
+ obj
);
323 /***********************************************************************
326 int GetObject( HANDLE handle
, int count
, LPSTR buffer
)
328 GDIOBJHDR
* ptr
= NULL
;
329 dprintf_gdi(stddeb
, "GetObject: "NPFMT
" %d %p\n", handle
, count
, buffer
);
330 if (!count
) return 0;
332 if ((DWORD
)handle
>= FIRST_STOCK_HANDLE
&&
333 (DWORD
)handle
<= LAST_STOCK_HANDLE
)
334 ptr
= StockObjects
[(DWORD
)handle
- FIRST_STOCK_HANDLE
];
336 ptr
= (GDIOBJHDR
*) GDI_HEAP_LIN_ADDR( handle
);
342 return PEN_GetObject( (PENOBJ
*)ptr
, count
, buffer
);
344 return BRUSH_GetObject( (BRUSHOBJ
*)ptr
, count
, buffer
);
346 return BITMAP_GetObject( (BITMAPOBJ
*)ptr
, count
, buffer
);
348 return FONT_GetObject( (FONTOBJ
*)ptr
, count
, buffer
);
350 return PALETTE_GetObject( (PALETTEOBJ
*)ptr
, count
, buffer
);
356 /***********************************************************************
357 * SelectObject (GDI.45)
359 HANDLE
SelectObject( HDC hdc
, HANDLE handle
)
361 GDIOBJHDR
* ptr
= NULL
;
364 dprintf_gdi(stddeb
, "SelectObject: "NPFMT
" "NPFMT
"\n", hdc
, handle
);
365 if ((DWORD
)handle
>= FIRST_STOCK_HANDLE
&&
366 (DWORD
)handle
<= LAST_STOCK_HANDLE
)
367 ptr
= StockObjects
[(DWORD
)handle
- FIRST_STOCK_HANDLE
];
369 ptr
= (GDIOBJHDR
*) GDI_HEAP_LIN_ADDR( handle
);
372 dc
= (DC
*) GDI_GetObjPtr( hdc
, DC_MAGIC
);
375 dc
= (DC
*)GDI_GetObjPtr(hdc
, METAFILE_DC_MAGIC
);
382 return PEN_SelectObject( dc
, handle
, (PENOBJ
*)ptr
);
384 return BRUSH_SelectObject( hdc
, dc
, handle
, (BRUSHOBJ
*)ptr
);
386 return BITMAP_SelectObject( hdc
, dc
, handle
, (BITMAPOBJ
*)ptr
);
388 return FONT_SelectObject( dc
, handle
, (FONTOBJ
*)ptr
);
390 return (HANDLE
)SelectClipRgn( hdc
, handle
);
396 /***********************************************************************
397 * UnrealizeObject (GDI.150)
399 BOOL
UnrealizeObject( HANDLE handle
)
401 dprintf_gdi(stdnimp
, "UnrealizeObject: "NPFMT
"\n", handle
);
406 /***********************************************************************
407 * EnumObjects (GDI.71)
409 int EnumObjects(HDC hDC
, int nObjType
, FARPROC lpEnumFunc
, LPSTR lpData
)
416 LPSTR lpLog
; /* Point to a LOGBRUSH or LOGPEN struct */
420 if (lpEnumFunc
== 0) {
421 fprintf(stderr
,"EnumObjects // Bad EnumProc callback address !\n");
427 dprintf_gdi(stddeb
,"EnumObjects("NPFMT
", OBJ_PEN, %08lx, %p);\n",
428 hDC
, (LONG
)lpEnumFunc
, lpData
);
429 hLog
= GDI_HEAP_ALLOC( sizeof(LOGPEN
) );
430 lpLog
= (LPSTR
) GDI_HEAP_LIN_ADDR(hLog
);
432 fprintf(stderr
,"EnumObjects // Unable to alloc LOGPEN struct !\n");
437 wMagic
= BRUSH_MAGIC
;
438 dprintf_gdi(stddeb
,"EnumObjects("NPFMT
", OBJ_BRUSH, %08lx, %p);\n",
439 hDC
, (LONG
)lpEnumFunc
, lpData
);
440 hLog
= GDI_HEAP_ALLOC( sizeof(LOGBRUSH
) );
441 lpLog
= (LPSTR
) GDI_HEAP_LIN_ADDR(hLog
);
443 fprintf(stderr
,"EnumObjects // Unable to alloc LOGBRUSH struct !\n");
448 fprintf(stderr
,"EnumObjects("NPFMT
", %04X, %08lx, %p); // Unknown OBJ type !\n",
449 hDC
, nObjType
, (LONG
)lpEnumFunc
, lpData
);
452 #ifdef notdef /* FIXME: stock object ptr won't work in callback */
453 dprintf_gdi(stddeb
,"EnumObjects // Stock Objects first !\n");
454 for (i
= 0; i
< NB_STOCK_OBJECTS
; i
++) {
455 header
= StockObjects
[i
];
456 if (header
->wMagic
== wMagic
) {
457 PEN_GetObject( (PENOBJ
*)header
, sizeof(LOGPEN
), lpLog
);
458 BRUSH_GetObject( (BRUSHOBJ
*)header
, sizeof(LOGBRUSH
),lpLog
);
459 dprintf_gdi(stddeb
,"EnumObjects // StockObj lpLog=%p lpData=%p\n", lpLog
, lpData
);
460 if (header
->wMagic
== BRUSH_MAGIC
) {
461 dprintf_gdi(stddeb
,"EnumObjects // StockBrush lbStyle=%04X\n", ((LPLOGBRUSH
)lpLog
)->lbStyle
);
462 dprintf_gdi(stddeb
,"EnumObjects // StockBrush lbColor=%08lX\n", ((LPLOGBRUSH
)lpLog
)->lbColor
);
463 dprintf_gdi(stddeb
,"EnumObjects // StockBrush lbHatch=%04X\n", ((LPLOGBRUSH
)lpLog
)->lbHatch
);
465 if (header
->wMagic
== PEN_MAGIC
) {
466 dprintf_gdi(stddeb
,"EnumObjects // StockPen lopnStyle=%04X\n", ((LPLOGPEN
)lpLog
)->lopnStyle
);
467 dprintf_gdi(stddeb
,"EnumObjects // StockPen lopnWidth=%d\n", ((LPLOGPEN
)lpLog
)->lopnWidth
.x
);
468 dprintf_gdi(stddeb
,"EnumObjects // StockPen lopnColor=%08lX\n", ((LPLOGPEN
)lpLog
)->lopnColor
);
470 nRet
= CallEnumObjectsProc( lpEnumFunc
,
471 GDI_HEAP_SEG_ADDR(hLog
),
473 dprintf_gdi(stddeb
,"EnumObjects // after Callback!\n");
476 dprintf_gdi(stddeb
,"EnumObjects // EnumEnd requested by application !\n");
481 dprintf_gdi(stddeb
,"EnumObjects // Now DC owned objects %p !\n", header
);
484 if (lpPenBrushList
== NULL
) return 0;
485 for (lphObj
= lpPenBrushList
; *lphObj
!= 0; ) {
486 dprintf_gdi(stddeb
,"EnumObjects // *lphObj="NPFMT
"\n", *lphObj
);
487 header
= (GDIOBJHDR
*) GDI_HEAP_LIN_ADDR(*lphObj
++);
488 if (header
->wMagic
== wMagic
) {
489 dprintf_gdi(stddeb
,"EnumObjects // DC_Obj lpLog=%p lpData=%p\n", lpLog
, lpData
);
490 if (header
->wMagic
== BRUSH_MAGIC
) {
491 BRUSH_GetObject( (BRUSHOBJ
*)header
, sizeof(LOGBRUSH
), lpLog
);
492 dprintf_gdi(stddeb
,"EnumObjects // DC_Brush lbStyle=%04X\n", ((LPLOGBRUSH
)lpLog
)->lbStyle
);
493 dprintf_gdi(stddeb
,"EnumObjects // DC_Brush lbColor=%08lX\n", ((LPLOGBRUSH
)lpLog
)->lbColor
);
494 dprintf_gdi(stddeb
,"EnumObjects // DC_Brush lbHatch=%04lX\n", (LONG
)((LPLOGBRUSH
)lpLog
)->lbHatch
);
496 if (header
->wMagic
== PEN_MAGIC
) {
497 PEN_GetObject( (PENOBJ
*)header
, sizeof(LOGPEN
), lpLog
);
498 dprintf_gdi(stddeb
,"EnumObjects // DC_Pen lopnStyle=%04X\n", ((LPLOGPEN
)lpLog
)->lopnStyle
);
499 dprintf_gdi(stddeb
,"EnumObjects // DC_Pen lopnWidth=%ld\n", (LONG
)((LPLOGPEN
)lpLog
)->lopnWidth
.x
);
500 dprintf_gdi(stddeb
,"EnumObjects // DC_Pen lopnColor=%08lX\n", ((LPLOGPEN
)lpLog
)->lopnColor
);
502 nRet
= CallEnumObjectsProc(lpEnumFunc
, GDI_HEAP_SEG_ADDR(hLog
),
509 dprintf_gdi(stddeb
,"EnumObjects // End of enumeration !\n");
513 /***********************************************************************
514 * IsGDIObject(GDI.462)
516 BOOL
IsGDIObject(HANDLE handle
)
520 object
= (GDIOBJHDR
*) GDI_HEAP_LIN_ADDR( handle
);