4 * Copyright 1993,1994 Alexandre Julliard
5 * Copyright 1996 Alex Korobka
7 * PALETTEOBJ is documented in the Dr. Dobbs Journal May 1993.
8 * Information in the "Undocumented Windows" is incorrect.
17 #include "wine/winuser16.h"
21 #include "debugtools.h"
24 DEFAULT_DEBUG_CHANNEL(palette);
26 PALETTE_DRIVER *PALETTE_Driver = NULL;
28 /* Pointers to USER implementation of SelectPalette/RealizePalette */
29 /* they will be patched by USER on startup */
30 FARPROC pfnSelectPalette = NULL;
31 FARPROC pfnRealizePalette = NULL;
33 static UINT SystemPaletteUse = SYSPAL_STATIC; /* currently not considered */
35 static HPALETTE16 hPrimaryPalette = 0; /* used for WM_PALETTECHANGED */
36 static HPALETTE16 hLastRealizedPalette = 0; /* UnrealizeObject() needs it */
39 /***********************************************************************
42 * Create the system palette.
44 HPALETTE16 PALETTE_Init(void)
50 const PALETTEENTRY* __sysPalTemplate = COLOR_GetSystemPaletteTemplate();
52 /* create default palette (20 system colors) */
54 palPtr = HeapAlloc( GetProcessHeap(), 0,
55 sizeof(LOGPALETTE) + (NB_RESERVED_COLORS-1)*sizeof(PALETTEENTRY));
56 if (!palPtr) return FALSE;
58 palPtr->palVersion = 0x300;
59 palPtr->palNumEntries = NB_RESERVED_COLORS;
60 for( i = 0; i < NB_RESERVED_COLORS; i ++ )
62 palPtr->palPalEntry[i].peRed = __sysPalTemplate[i].peRed;
63 palPtr->palPalEntry[i].peGreen = __sysPalTemplate[i].peGreen;
64 palPtr->palPalEntry[i].peBlue = __sysPalTemplate[i].peBlue;
65 palPtr->palPalEntry[i].peFlags = 0;
67 hpalette = CreatePalette16( palPtr );
68 HeapFree( GetProcessHeap(), 0, palPtr );
70 palObj = (PALETTEOBJ*) GDI_GetObjPtr( hpalette, PALETTE_MAGIC );
73 if (!(palObj->mapping = HeapAlloc( GetProcessHeap(), 0, sizeof(int) * 20 )))
74 ERR("Can not create palette mapping -- out of memory!\n");
75 GDI_ReleaseObj( hpalette );
80 /***********************************************************************
81 * PALETTE_ValidateFlags
83 void PALETTE_ValidateFlags(PALETTEENTRY* lpPalE, int size)
87 lpPalE[i].peFlags = PC_SYS_USED | (lpPalE[i].peFlags & 0x07);
91 /***********************************************************************
92 * CreatePalette (GDI.360)
94 HPALETTE16 WINAPI CreatePalette16( const LOGPALETTE* palette )
96 return CreatePalette( palette );
100 /***********************************************************************
101 * CreatePalette [GDI32.@] Creates a logical color palette
104 * Success: Handle to logical palette
107 HPALETTE WINAPI CreatePalette(
108 const LOGPALETTE* palette) /* [in] Pointer to logical color palette */
110 PALETTEOBJ * palettePtr;
114 if (!palette) return 0;
115 TRACE("entries=%i\n", palette->palNumEntries);
117 size = sizeof(LOGPALETTE) + (palette->palNumEntries - 1) * sizeof(PALETTEENTRY);
119 if (!(palettePtr = GDI_AllocObject( size + sizeof(int*) +sizeof(GDIOBJHDR),
120 PALETTE_MAGIC, &hpalette ))) return 0;
121 memcpy( &palettePtr->logpalette, palette, size );
122 PALETTE_ValidateFlags(palettePtr->logpalette.palPalEntry,
123 palettePtr->logpalette.palNumEntries);
124 palettePtr->mapping = NULL;
125 GDI_ReleaseObj( hpalette );
127 TRACE(" returning %04x\n", hpalette);
132 /***********************************************************************
133 * CreateHalftonePalette [GDI.529] Creates a halftone palette
136 * Success: Handle to logical halftone palette
139 HPALETTE16 WINAPI CreateHalftonePalette16(
140 HDC16 hdc) /* [in] Handle to device context */
142 return CreateHalftonePalette(hdc);
146 /***********************************************************************
147 * CreateHalftonePalette [GDI32.@] Creates a halftone palette
150 * Success: Handle to logical halftone palette
153 * FIXME: This simply creates the halftone palette dirived from runing
154 * tests on an windows NT machine. this is assuming a color depth
155 * of greater that 256 color. On a 256 color device the halftone
156 * palette will be differnt and this funtion will be incorrect
158 HPALETTE WINAPI CreateHalftonePalette(
159 HDC hdc) /* [in] Handle to device context */
164 WORD NumberOfEntries;
165 PALETTEENTRY aEntries[256];
168 Palette.Version = 0x300;
169 Palette.NumberOfEntries = 256;
170 GetSystemPaletteEntries(hdc, 0, 256, Palette.aEntries);
172 Palette.NumberOfEntries = 20;
174 for (i = 0; i < Palette.NumberOfEntries; i++)
176 Palette.aEntries[i].peRed=0xff;
177 Palette.aEntries[i].peGreen=0xff;
178 Palette.aEntries[i].peBlue=0xff;
179 Palette.aEntries[i].peFlags=0x00;
182 Palette.aEntries[0].peRed=0x00;
183 Palette.aEntries[0].peBlue=0x00;
184 Palette.aEntries[0].peGreen=0x00;
187 for (i=1; i <= 6; i++)
189 Palette.aEntries[i].peRed=(i%2)?0x80:0;
190 Palette.aEntries[i].peGreen=(i==2)?0x80:(i==3)?0x80:(i==6)?0x80:0;
191 Palette.aEntries[i].peBlue=(i>3)?0x80:0;
194 for (i=7; i <= 12; i++)
199 Palette.aEntries[i].peRed=0xc0;
200 Palette.aEntries[i].peBlue=0xc0;
201 Palette.aEntries[i].peGreen=0xc0;
204 Palette.aEntries[i].peRed=0xc0;
205 Palette.aEntries[i].peGreen=0xdc;
206 Palette.aEntries[i].peBlue=0xc0;
209 Palette.aEntries[i].peRed=0xa6;
210 Palette.aEntries[i].peGreen=0xca;
211 Palette.aEntries[i].peBlue=0xf0;
214 Palette.aEntries[i].peRed=0xff;
215 Palette.aEntries[i].peGreen=0xfb;
216 Palette.aEntries[i].peBlue=0xf0;
219 Palette.aEntries[i].peRed=0xa0;
220 Palette.aEntries[i].peGreen=0xa0;
221 Palette.aEntries[i].peBlue=0xa4;
224 Palette.aEntries[i].peRed=0x80;
225 Palette.aEntries[i].peGreen=0x80;
226 Palette.aEntries[i].peBlue=0x80;
230 for (i=13; i <= 18; i++)
232 Palette.aEntries[i].peRed=(i%2)?0xff:0;
233 Palette.aEntries[i].peGreen=(i==14)?0xff:(i==15)?0xff:(i==18)?0xff:0;
234 Palette.aEntries[i].peBlue=(i>15)?0xff:0x00;
237 return CreatePalette((LOGPALETTE *)&Palette);
241 /***********************************************************************
242 * GetPaletteEntries (GDI.363)
244 UINT16 WINAPI GetPaletteEntries16( HPALETTE16 hpalette, UINT16 start,
245 UINT16 count, LPPALETTEENTRY entries )
247 return GetPaletteEntries( hpalette, start, count, entries );
251 /***********************************************************************
252 * GetPaletteEntries [GDI32.@] Retrieves palette entries
255 * Success: Number of entries from logical palette
258 UINT WINAPI GetPaletteEntries(
259 HPALETTE hpalette, /* [in] Handle of logical palette */
260 UINT start, /* [in] First entry to receive */
261 UINT count, /* [in] Number of entries to receive */
262 LPPALETTEENTRY entries) /* [out] Address of array receiving entries */
267 TRACE("hpal = %04x, count=%i\n", hpalette, count );
269 palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hpalette, PALETTE_MAGIC );
270 if (!palPtr) return 0;
272 /* NOTE: not documented but test show this to be the case */
275 int rc = palPtr->logpalette.palNumEntries;
276 GDI_ReleaseObj( hpalette );
280 numEntries = palPtr->logpalette.palNumEntries;
281 if (start+count > numEntries) count = numEntries - start;
284 if (start >= numEntries)
286 GDI_ReleaseObj( hpalette );
289 memcpy( entries, &palPtr->logpalette.palPalEntry[start],
290 count * sizeof(PALETTEENTRY) );
291 for( numEntries = 0; numEntries < count ; numEntries++ )
292 if (entries[numEntries].peFlags & 0xF0)
293 entries[numEntries].peFlags = 0;
296 GDI_ReleaseObj( hpalette );
301 /***********************************************************************
302 * SetPaletteEntries (GDI.364)
304 UINT16 WINAPI SetPaletteEntries16( HPALETTE16 hpalette, UINT16 start,
305 UINT16 count, LPPALETTEENTRY entries )
307 return SetPaletteEntries( hpalette, start, count, entries );
311 /***********************************************************************
312 * SetPaletteEntries [GDI32.@] Sets color values for range in palette
315 * Success: Number of entries that were set
318 UINT WINAPI SetPaletteEntries(
319 HPALETTE hpalette, /* [in] Handle of logical palette */
320 UINT start, /* [in] Index of first entry to set */
321 UINT count, /* [in] Number of entries to set */
322 LPPALETTEENTRY entries) /* [in] Address of array of structures */
327 TRACE("hpal=%04x,start=%i,count=%i\n",hpalette,start,count );
329 palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hpalette, PALETTE_MAGIC );
330 if (!palPtr) return 0;
332 numEntries = palPtr->logpalette.palNumEntries;
333 if (start >= numEntries)
335 GDI_ReleaseObj( hpalette );
338 if (start+count > numEntries) count = numEntries - start;
339 memcpy( &palPtr->logpalette.palPalEntry[start], entries,
340 count * sizeof(PALETTEENTRY) );
341 PALETTE_ValidateFlags(palPtr->logpalette.palPalEntry,
342 palPtr->logpalette.palNumEntries);
343 HeapFree( GetProcessHeap(), 0, palPtr->mapping );
344 palPtr->mapping = NULL;
345 GDI_ReleaseObj( hpalette );
350 /***********************************************************************
351 * ResizePalette (GDI.368)
353 BOOL16 WINAPI ResizePalette16( HPALETTE16 hPal, UINT16 cEntries )
355 return ResizePalette( hPal, cEntries );
359 /***********************************************************************
360 * ResizePalette [GDI32.@] Resizes logical palette
366 BOOL WINAPI ResizePalette(
367 HPALETTE hPal, /* [in] Handle of logical palette */
368 UINT cEntries) /* [in] Number of entries in logical palette */
370 PALETTEOBJ * palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hPal, PALETTE_MAGIC );
371 UINT cPrevEnt, prevVer;
372 int prevsize, size = sizeof(LOGPALETTE) + (cEntries - 1) * sizeof(PALETTEENTRY);
375 TRACE("hpal = %04x, prev = %i, new = %i\n",
376 hPal, palPtr ? palPtr->logpalette.palNumEntries : -1,
378 if( !palPtr ) return FALSE;
379 cPrevEnt = palPtr->logpalette.palNumEntries;
380 prevVer = palPtr->logpalette.palVersion;
381 prevsize = sizeof(LOGPALETTE) + (cPrevEnt - 1) * sizeof(PALETTEENTRY) +
382 sizeof(int*) + sizeof(GDIOBJHDR);
383 size += sizeof(int*) + sizeof(GDIOBJHDR);
384 mapping = palPtr->mapping;
386 if (!(palPtr = GDI_ReallocObject( size, hPal, palPtr ))) return FALSE;
390 int *newMap = (int*) HeapReAlloc(GetProcessHeap(), 0,
391 mapping, cEntries * sizeof(int) );
394 ERR("Can not resize mapping -- out of memory!\n");
395 GDI_ReleaseObj( hPal );
398 palPtr->mapping = newMap;
401 if( cEntries > cPrevEnt )
404 memset(palPtr->mapping + cPrevEnt, 0, (cEntries - cPrevEnt)*sizeof(int));
405 memset( (BYTE*)palPtr + prevsize, 0, size - prevsize );
406 PALETTE_ValidateFlags((PALETTEENTRY*)((BYTE*)palPtr + prevsize),
407 cEntries - cPrevEnt );
409 palPtr->logpalette.palNumEntries = cEntries;
410 palPtr->logpalette.palVersion = prevVer;
411 GDI_ReleaseObj( hPal );
416 /***********************************************************************
417 * AnimatePalette (GDI.367)
419 void WINAPI AnimatePalette16( HPALETTE16 hPal, UINT16 StartIndex,
420 UINT16 NumEntries, const PALETTEENTRY* PaletteColors)
422 AnimatePalette( hPal, StartIndex, NumEntries, PaletteColors );
426 /***********************************************************************
427 * AnimatePalette [GDI32.@] Replaces entries in logical palette
434 * Should use existing mapping when animating a primary palette
436 BOOL WINAPI AnimatePalette(
437 HPALETTE hPal, /* [in] Handle to logical palette */
438 UINT StartIndex, /* [in] First entry in palette */
439 UINT NumEntries, /* [in] Count of entries in palette */
440 const PALETTEENTRY* PaletteColors) /* [in] Pointer to first replacement */
442 TRACE("%04x (%i - %i)\n", hPal, StartIndex,StartIndex+NumEntries);
444 if( hPal != GetStockObject(DEFAULT_PALETTE) )
446 PALETTEOBJ* palPtr = (PALETTEOBJ *)GDI_GetObjPtr(hPal, PALETTE_MAGIC);
447 if (!palPtr) return FALSE;
449 if( (StartIndex + NumEntries) <= palPtr->logpalette.palNumEntries )
452 for( u = 0; u < NumEntries; u++ )
453 palPtr->logpalette.palPalEntry[u + StartIndex] = PaletteColors[u];
455 pSetMapping(palPtr, StartIndex, NumEntries,
456 hPal != hPrimaryPalette );
457 GDI_ReleaseObj( hPal );
460 GDI_ReleaseObj( hPal );
466 /***********************************************************************
467 * SetSystemPaletteUse (GDI.373)
469 UINT16 WINAPI SetSystemPaletteUse16( HDC16 hdc, UINT16 use )
471 return SetSystemPaletteUse( hdc, use );
475 /***********************************************************************
476 * SetSystemPaletteUse [GDI32.@]
479 * Success: Previous system palette
480 * Failure: SYSPAL_ERROR
482 UINT WINAPI SetSystemPaletteUse(
483 HDC hdc, /* [in] Handle of device context */
484 UINT use) /* [in] Palette-usage flag */
486 UINT old = SystemPaletteUse;
487 FIXME("(%04x,%04x): stub\n", hdc, use );
488 SystemPaletteUse = use;
493 /***********************************************************************
494 * GetSystemPaletteUse (GDI.374)
496 UINT16 WINAPI GetSystemPaletteUse16( HDC16 hdc )
498 return SystemPaletteUse;
502 /***********************************************************************
503 * GetSystemPaletteUse [GDI32.@] Gets state of system palette
506 * Current state of system palette
508 UINT WINAPI GetSystemPaletteUse(
509 HDC hdc) /* [in] Handle of device context */
511 return SystemPaletteUse;
515 /***********************************************************************
516 * GetSystemPaletteEntries (GDI.375)
518 UINT16 WINAPI GetSystemPaletteEntries16( HDC16 hdc, UINT16 start, UINT16 count,
519 LPPALETTEENTRY entries )
521 return GetSystemPaletteEntries( hdc, start, count, entries );
525 /***********************************************************************
526 * GetSystemPaletteEntries [GDI32.@] Gets range of palette entries
529 * Success: Number of entries retrieved from palette
532 UINT WINAPI GetSystemPaletteEntries(
533 HDC hdc, /* [in] Handle of device context */
534 UINT start, /* [in] Index of first entry to be retrieved */
535 UINT count, /* [in] Number of entries to be retrieved */
536 LPPALETTEENTRY entries) /* [out] Array receiving system-palette entries */
539 INT sizePalette = GetDeviceCaps( hdc, SIZEPALETTE );
541 TRACE("hdc=%04x,start=%i,count=%i\n", hdc,start,count);
543 if (!entries) return sizePalette;
544 if (start >= sizePalette) return 0;
545 if (start+count >= sizePalette) count = sizePalette - start;
547 for (i = 0; i < count; i++)
549 *(COLORREF*)(entries + i) = COLOR_GetSystemPaletteEntry( start + i );
551 TRACE("\tidx(%02x) -> RGB(%08lx)\n",
552 start + i, *(COLORREF*)(entries + i) );
558 /***********************************************************************
559 * GetNearestPaletteIndex (GDI.370)
561 UINT16 WINAPI GetNearestPaletteIndex16( HPALETTE16 hpalette, COLORREF color )
563 return GetNearestPaletteIndex( hpalette, color );
567 /***********************************************************************
568 * GetNearestPaletteIndex [GDI32.@] Gets palette index for color
571 * Should index be initialized to CLR_INVALID instead of 0?
574 * Success: Index of entry in logical palette
575 * Failure: CLR_INVALID
577 UINT WINAPI GetNearestPaletteIndex(
578 HPALETTE hpalette, /* [in] Handle of logical color palette */
579 COLORREF color) /* [in] Color to be matched */
581 PALETTEOBJ* palObj = (PALETTEOBJ*)GDI_GetObjPtr( hpalette, PALETTE_MAGIC );
586 index = COLOR_PaletteLookupPixel(palObj->logpalette.palPalEntry,
587 palObj->logpalette.palNumEntries,
588 NULL, color, FALSE );
590 GDI_ReleaseObj( hpalette );
592 TRACE("(%04x,%06lx): returning %d\n", hpalette, color, index );
597 /***********************************************************************
598 * GetNearestColor (GDI.154)
600 COLORREF WINAPI GetNearestColor16( HDC16 hdc, COLORREF color )
602 return GetNearestColor( hdc, color );
606 /***********************************************************************
607 * GetNearestColor [GDI32.@] Gets a system color to match
610 * Success: Color from system palette that corresponds to given color
611 * Failure: CLR_INVALID
613 COLORREF WINAPI GetNearestColor(
614 HDC hdc, /* [in] Handle of device context */
615 COLORREF color) /* [in] Color to be matched */
617 COLORREF nearest = CLR_INVALID;
621 if(!(GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)) {
624 if ( (dc = DC_GetDCPtr( hdc )) )
626 HPALETTE hpal = (dc->hPalette)? dc->hPalette : GetStockObject( DEFAULT_PALETTE );
627 palObj = GDI_GetObjPtr( hpal, PALETTE_MAGIC );
629 GDI_ReleaseObj( hdc );
633 nearest = COLOR_LookupNearestColor( palObj->logpalette.palPalEntry,
634 palObj->logpalette.palNumEntries, color );
635 GDI_ReleaseObj( hpal );
636 GDI_ReleaseObj( hdc );
639 TRACE("(%06lx): returning %06lx\n", color, nearest );
644 /***********************************************************************
647 int PALETTE_GetObject( PALETTEOBJ * palette, int count, LPSTR buffer )
649 if (count > sizeof(WORD)) count = sizeof(WORD);
650 memcpy( buffer, &palette->logpalette.palNumEntries, count );
655 /***********************************************************************
656 * PALETTE_UnrealizeObject
658 BOOL PALETTE_UnrealizeObject( HPALETTE16 hpalette, PALETTEOBJ *palette )
660 if (palette->mapping)
662 HeapFree( GetProcessHeap(), 0, palette->mapping );
663 palette->mapping = NULL;
665 if (hLastRealizedPalette == hpalette) hLastRealizedPalette = 0;
670 /***********************************************************************
671 * PALETTE_DeleteObject
673 BOOL PALETTE_DeleteObject( HPALETTE16 hpalette, PALETTEOBJ *palette )
675 HeapFree( GetProcessHeap(), 0, palette->mapping );
676 if (hLastRealizedPalette == hpalette) hLastRealizedPalette = 0;
677 return GDI_FreeObject( hpalette, palette );
681 /***********************************************************************
682 * GDISelectPalette (GDI.361)
684 HPALETTE16 WINAPI GDISelectPalette16( HDC16 hdc, HPALETTE16 hpal, WORD wBkg)
689 TRACE("%04x %04x\n", hdc, hpal );
691 if (GetObjectType(hpal) != OBJ_PAL)
693 WARN("invalid selected palette %04x\n",hpal);
696 if (!(dc = DC_GetDCPtr( hdc ))) return 0;
699 GDI_ReleaseObj( hdc );
700 if (!wBkg) hPrimaryPalette = hpal;
705 /***********************************************************************
706 * GDIRealizePalette (GDI.362)
708 UINT16 WINAPI GDIRealizePalette16( HDC16 hdc )
712 DC* dc = DC_GetDCPtr( hdc );
716 TRACE("%04x...\n", hdc );
718 if(dc->hPalette != hLastRealizedPalette )
720 if( dc->hPalette == GetStockObject( DEFAULT_PALETTE )) {
721 realized = RealizeDefaultPalette16( hdc );
722 GDI_ReleaseObj( hdc );
723 return (UINT16)realized;
727 palPtr = (PALETTEOBJ *) GDI_GetObjPtr( dc->hPalette, PALETTE_MAGIC );
730 GDI_ReleaseObj( hdc );
731 FIXME("invalid selected palette %04x\n",dc->hPalette);
735 realized = PALETTE_Driver->
736 pSetMapping(palPtr,0,palPtr->logpalette.palNumEntries,
737 (dc->hPalette != hPrimaryPalette) ||
738 (dc->hPalette == GetStockObject( DEFAULT_PALETTE )));
739 hLastRealizedPalette = dc->hPalette;
740 GDI_ReleaseObj( dc->hPalette );
742 else TRACE(" skipping (hLastRealizedPalette = %04x)\n",
743 hLastRealizedPalette);
744 GDI_ReleaseObj( hdc );
746 TRACE(" realized %i colors.\n", realized );
747 return (UINT16)realized;
751 /***********************************************************************
752 * RealizeDefaultPalette (GDI.365)
754 UINT16 WINAPI RealizeDefaultPalette16( HDC16 hdc )
760 TRACE("%04x\n", hdc );
762 if (!(dc = DC_GetDCPtr( hdc ))) return 0;
764 if (!(dc->flags & DC_MEMORY))
766 palPtr = (PALETTEOBJ*)GDI_GetObjPtr( GetStockObject(DEFAULT_PALETTE), PALETTE_MAGIC );
769 /* lookup is needed to account for SetSystemPaletteUse() stuff */
770 ret = PALETTE_Driver->pUpdateMapping(palPtr);
771 GDI_ReleaseObj( GetStockObject(DEFAULT_PALETTE) );
774 GDI_ReleaseObj( hdc );
778 /***********************************************************************
779 * IsDCCurrentPalette (GDI.412)
781 BOOL16 WINAPI IsDCCurrentPalette16(HDC16 hDC)
783 DC *dc = DC_GetDCPtr( hDC );
786 BOOL bRet = dc->hPalette == hPrimaryPalette;
787 GDI_ReleaseObj( hDC );
794 /***********************************************************************
795 * SelectPalette [GDI32.@] Selects logical palette into DC
798 * Success: Previous logical palette
801 HPALETTE WINAPI SelectPalette(
802 HDC hDC, /* [in] Handle of device context */
803 HPALETTE hPal, /* [in] Handle of logical color palette */
804 BOOL bForceBackground) /* [in] Foreground/background mode */
806 return pfnSelectPalette( hDC, hPal, bForceBackground );
810 /***********************************************************************
811 * RealizePalette [GDI32.@] Maps palette entries to system palette
814 * Success: Number of entries in logical palette
817 UINT WINAPI RealizePalette(
818 HDC hDC) /* [in] Handle of device context */
820 return pfnRealizePalette( hDC );
824 typedef HWND (WINAPI *WindowFromDC_funcptr)( HDC );
825 typedef BOOL (WINAPI *RedrawWindow_funcptr)( HWND, const RECT *, HRGN, UINT );
827 /**********************************************************************
828 * UpdateColors [GDI32.@] Remaps current colors to logical palette
834 BOOL WINAPI UpdateColors(
835 HDC hDC) /* [in] Handle of device context */
838 int size = GetDeviceCaps( hDC, SIZEPALETTE );
842 mod = GetModuleHandleA("user32.dll");
845 WindowFromDC_funcptr pWindowFromDC = (WindowFromDC_funcptr)GetProcAddress(mod,"WindowFromDC");
848 HWND hWnd = pWindowFromDC( hDC );
850 /* Docs say that we have to remap current drawable pixel by pixel
851 * but it would take forever given the speed of XGet/PutPixel.
855 RedrawWindow_funcptr pRedrawWindow = GetProcAddress( mod, "RedrawWindow" );
856 if (pRedrawWindow) pRedrawWindow( hWnd, NULL, 0, RDW_INVALIDATE );
864 /**********************************************************************
865 * UpdateColors (GDI.366)
867 INT16 WINAPI UpdateColors16( HDC16 hDC )
874 /*********************************************************************
875 * SetMagicColors (GDI.606)
877 VOID WINAPI SetMagicColors16(HDC16 hDC, COLORREF color, UINT16 index)
879 FIXME("(hDC %04x, color %04x, index %04x): stub\n", hDC, (int)color, index);
883 /**********************************************************************
884 * GetICMProfileA [GDI32.@]
886 * Returns the filename of the specified device context's color
887 * management profile, even if color management is not enabled
891 * TRUE if name copied succesfully OR lpszFilename is NULL
892 * FALSE if the buffer length pointed to by lpcbName is too small
895 * The buffer length pointed to by lpcbName is ALWAYS updated to
896 * the length required regardless of other actions this function
900 * How does Windows assign these? Some registry key?
903 #define WINEICM "winefake.icm" /* easy-to-identify fake filename */
905 /*********************************************************************/
907 BOOL WINAPI GetICMProfileA(HDC hDC, LPDWORD lpcbName, LPSTR lpszFilename)
911 FIXME("(%04x, %p, %p): partial stub\n", hDC, lpcbName, lpszFilename);
913 callerLen = *lpcbName;
915 /* all 3 behaviors require the required buffer size to be set */
916 *lpcbName = strlen(WINEICM);
918 /* behavior 1: if lpszFilename is NULL, return size of string and no error */
919 if ((DWORD)lpszFilename == (DWORD)0x00000000)
922 /* behavior 2: if buffer size too small, return size of string and error */
923 if (callerLen < strlen(WINEICM))
925 SetLastError(ERROR_INSUFFICIENT_BUFFER);
929 /* behavior 3: if buffer size OK and pointer not NULL, copy and return size */
930 strcpy(lpszFilename, WINEICM);