/* * GDI palette objects * * Copyright 1993,1994 Alexandre Julliard * Copyright 1996 Alex Korobka * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * NOTES: * PALETTEOBJ is documented in the Dr. Dobbs Journal May 1993. * Information in the "Undocumented Windows" is incorrect. */ #include #include #include "winbase.h" #include "windef.h" #include "wingdi.h" #include "wine/winuser16.h" #include "gdi.h" #include "palette.h" #include "wine/debug.h" #include "winerror.h" WINE_DEFAULT_DEBUG_CHANNEL(palette); static INT PALETTE_GetObject( HGDIOBJ handle, void *obj, INT count, LPVOID buffer ); static BOOL PALETTE_UnrealizeObject( HGDIOBJ handle, void *obj ); static BOOL PALETTE_DeleteObject( HGDIOBJ handle, void *obj ); static const struct gdi_obj_funcs palette_funcs = { NULL, /* pSelectObject */ PALETTE_GetObject, /* pGetObject16 */ PALETTE_GetObject, /* pGetObjectA */ PALETTE_GetObject, /* pGetObjectW */ PALETTE_UnrealizeObject, /* pUnrealizeObject */ PALETTE_DeleteObject /* pDeleteObject */ }; /* Pointers to USER implementation of SelectPalette/RealizePalette */ /* they will be patched by USER on startup */ HPALETTE (WINAPI *pfnSelectPalette)(HDC hdc, HPALETTE hpal, WORD bkgnd ) = NULL; UINT (WINAPI *pfnRealizePalette)(HDC hdc) = NULL; static UINT SystemPaletteUse = SYSPAL_STATIC; /* currently not considered */ static HPALETTE hPrimaryPalette = 0; /* used for WM_PALETTECHANGED */ static HPALETTE hLastRealizedPalette = 0; /* UnrealizeObject() needs it */ static const DC_FUNCTIONS *pLastRealizedDC; static const PALETTEENTRY sys_pal_template[NB_RESERVED_COLORS] = { /* first 10 entries in the system palette */ /* red green blue flags */ { 0x00, 0x00, 0x00, 0 }, { 0x80, 0x00, 0x00, 0 }, { 0x00, 0x80, 0x00, 0 }, { 0x80, 0x80, 0x00, 0 }, { 0x00, 0x00, 0x80, 0 }, { 0x80, 0x00, 0x80, 0 }, { 0x00, 0x80, 0x80, 0 }, { 0xc0, 0xc0, 0xc0, 0 }, { 0xc0, 0xdc, 0xc0, 0 }, { 0xa6, 0xca, 0xf0, 0 }, /* ... c_min/2 dynamic colorcells */ /* ... gap (for sparse palettes) */ /* ... c_min/2 dynamic colorcells */ { 0xff, 0xfb, 0xf0, 0 }, { 0xa0, 0xa0, 0xa4, 0 }, { 0x80, 0x80, 0x80, 0 }, { 0xff, 0x00, 0x00, 0 }, { 0x00, 0xff, 0x00, 0 }, { 0xff, 0xff, 0x00, 0 }, { 0x00, 0x00, 0xff, 0 }, { 0xff, 0x00, 0xff, 0 }, { 0x00, 0xff, 0xff, 0 }, { 0xff, 0xff, 0xff, 0 } /* last 10 */ }; /*********************************************************************** * PALETTE_Init * * Create the system palette. */ HPALETTE PALETTE_Init(void) { HPALETTE hpalette; LOGPALETTE * palPtr; PALETTEOBJ* palObj; /* create default palette (20 system colors) */ palPtr = HeapAlloc( GetProcessHeap(), 0, sizeof(LOGPALETTE) + (NB_RESERVED_COLORS-1)*sizeof(PALETTEENTRY)); if (!palPtr) return FALSE; palPtr->palVersion = 0x300; palPtr->palNumEntries = NB_RESERVED_COLORS; memcpy( palPtr->palPalEntry, sys_pal_template, sizeof(sys_pal_template) ); hpalette = CreatePalette( palPtr ); HeapFree( GetProcessHeap(), 0, palPtr ); palObj = (PALETTEOBJ*) GDI_GetObjPtr( hpalette, PALETTE_MAGIC ); if (palObj) { if (!(palObj->mapping = HeapAlloc( GetProcessHeap(), 0, sizeof(int) * NB_RESERVED_COLORS ))) ERR("Can not create palette mapping -- out of memory!\n"); GDI_ReleaseObj( hpalette ); } return hpalette; } /*********************************************************************** * PALETTE_ValidateFlags */ static void PALETTE_ValidateFlags(PALETTEENTRY* lpPalE, int size) { int i = 0; for( ; ipalNumEntries); size = sizeof(LOGPALETTE) + (palette->palNumEntries - 1) * sizeof(PALETTEENTRY); if (!(palettePtr = GDI_AllocObject( size + sizeof(int*) +sizeof(GDIOBJHDR), PALETTE_MAGIC, &hpalette, &palette_funcs ))) return 0; memcpy( &palettePtr->logpalette, palette, size ); PALETTE_ValidateFlags(palettePtr->logpalette.palPalEntry, palettePtr->logpalette.palNumEntries); palettePtr->mapping = NULL; GDI_ReleaseObj( hpalette ); TRACE(" returning %04x\n", hpalette); return hpalette; } /*********************************************************************** * CreateHalftonePalette [GDI32.@] Creates a halftone palette * * RETURNS * Success: Handle to logical halftone palette * Failure: 0 * * FIXME: This simply creates the halftone palette dirived from runing * tests on an windows NT machine. this is assuming a color depth * of greater that 256 color. On a 256 color device the halftone * palette will be differnt and this funtion will be incorrect */ HPALETTE WINAPI CreateHalftonePalette( HDC hdc) /* [in] Handle to device context */ { int i; struct { WORD Version; WORD NumberOfEntries; PALETTEENTRY aEntries[256]; } Palette; Palette.Version = 0x300; Palette.NumberOfEntries = 256; GetSystemPaletteEntries(hdc, 0, 256, Palette.aEntries); Palette.NumberOfEntries = 20; for (i = 0; i < Palette.NumberOfEntries; i++) { Palette.aEntries[i].peRed=0xff; Palette.aEntries[i].peGreen=0xff; Palette.aEntries[i].peBlue=0xff; Palette.aEntries[i].peFlags=0x00; } Palette.aEntries[0].peRed=0x00; Palette.aEntries[0].peBlue=0x00; Palette.aEntries[0].peGreen=0x00; /* the first 6 */ for (i=1; i <= 6; i++) { Palette.aEntries[i].peRed=(i%2)?0x80:0; Palette.aEntries[i].peGreen=(i==2)?0x80:(i==3)?0x80:(i==6)?0x80:0; Palette.aEntries[i].peBlue=(i>3)?0x80:0; } for (i=7; i <= 12; i++) { switch(i) { case 7: Palette.aEntries[i].peRed=0xc0; Palette.aEntries[i].peBlue=0xc0; Palette.aEntries[i].peGreen=0xc0; break; case 8: Palette.aEntries[i].peRed=0xc0; Palette.aEntries[i].peGreen=0xdc; Palette.aEntries[i].peBlue=0xc0; break; case 9: Palette.aEntries[i].peRed=0xa6; Palette.aEntries[i].peGreen=0xca; Palette.aEntries[i].peBlue=0xf0; break; case 10: Palette.aEntries[i].peRed=0xff; Palette.aEntries[i].peGreen=0xfb; Palette.aEntries[i].peBlue=0xf0; break; case 11: Palette.aEntries[i].peRed=0xa0; Palette.aEntries[i].peGreen=0xa0; Palette.aEntries[i].peBlue=0xa4; break; case 12: Palette.aEntries[i].peRed=0x80; Palette.aEntries[i].peGreen=0x80; Palette.aEntries[i].peBlue=0x80; } } for (i=13; i <= 18; i++) { Palette.aEntries[i].peRed=(i%2)?0xff:0; Palette.aEntries[i].peGreen=(i==14)?0xff:(i==15)?0xff:(i==18)?0xff:0; Palette.aEntries[i].peBlue=(i>15)?0xff:0x00; } return CreatePalette((LOGPALETTE *)&Palette); } /*********************************************************************** * GetPaletteEntries [GDI32.@] Retrieves palette entries * * RETURNS * Success: Number of entries from logical palette * Failure: 0 */ UINT WINAPI GetPaletteEntries( HPALETTE hpalette, /* [in] Handle of logical palette */ UINT start, /* [in] First entry to receive */ UINT count, /* [in] Number of entries to receive */ LPPALETTEENTRY entries) /* [out] Address of array receiving entries */ { PALETTEOBJ * palPtr; UINT numEntries; TRACE("hpal = %04x, count=%i\n", hpalette, count ); palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hpalette, PALETTE_MAGIC ); if (!palPtr) return 0; /* NOTE: not documented but test show this to be the case */ if (count == 0) { int rc = palPtr->logpalette.palNumEntries; GDI_ReleaseObj( hpalette ); return rc; } numEntries = palPtr->logpalette.palNumEntries; if (start+count > numEntries) count = numEntries - start; if (entries) { if (start >= numEntries) { GDI_ReleaseObj( hpalette ); return 0; } memcpy( entries, &palPtr->logpalette.palPalEntry[start], count * sizeof(PALETTEENTRY) ); for( numEntries = 0; numEntries < count ; numEntries++ ) if (entries[numEntries].peFlags & 0xF0) entries[numEntries].peFlags = 0; } GDI_ReleaseObj( hpalette ); return count; } /*********************************************************************** * SetPaletteEntries [GDI32.@] Sets color values for range in palette * * RETURNS * Success: Number of entries that were set * Failure: 0 */ UINT WINAPI SetPaletteEntries( HPALETTE hpalette, /* [in] Handle of logical palette */ UINT start, /* [in] Index of first entry to set */ UINT count, /* [in] Number of entries to set */ const PALETTEENTRY *entries) /* [in] Address of array of structures */ { PALETTEOBJ * palPtr; UINT numEntries; TRACE("hpal=%04x,start=%i,count=%i\n",hpalette,start,count ); if (hpalette == GetStockObject(DEFAULT_PALETTE)) return 0; palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hpalette, PALETTE_MAGIC ); if (!palPtr) return 0; numEntries = palPtr->logpalette.palNumEntries; if (start >= numEntries) { GDI_ReleaseObj( hpalette ); return 0; } if (start+count > numEntries) count = numEntries - start; memcpy( &palPtr->logpalette.palPalEntry[start], entries, count * sizeof(PALETTEENTRY) ); PALETTE_ValidateFlags(palPtr->logpalette.palPalEntry, palPtr->logpalette.palNumEntries); UnrealizeObject( hpalette ); GDI_ReleaseObj( hpalette ); return count; } /*********************************************************************** * ResizePalette [GDI32.@] Resizes logical palette * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI ResizePalette( HPALETTE hPal, /* [in] Handle of logical palette */ UINT cEntries) /* [in] Number of entries in logical palette */ { PALETTEOBJ * palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hPal, PALETTE_MAGIC ); UINT cPrevEnt, prevVer; int prevsize, size = sizeof(LOGPALETTE) + (cEntries - 1) * sizeof(PALETTEENTRY); int* mapping = NULL; TRACE("hpal = %04x, prev = %i, new = %i\n", hPal, palPtr ? palPtr->logpalette.palNumEntries : -1, cEntries ); if( !palPtr ) return FALSE; cPrevEnt = palPtr->logpalette.palNumEntries; prevVer = palPtr->logpalette.palVersion; prevsize = sizeof(LOGPALETTE) + (cPrevEnt - 1) * sizeof(PALETTEENTRY) + sizeof(int*) + sizeof(GDIOBJHDR); size += sizeof(int*) + sizeof(GDIOBJHDR); mapping = palPtr->mapping; if (!(palPtr = GDI_ReallocObject( size, hPal, palPtr ))) return FALSE; if( mapping ) { int *newMap = (int*) HeapReAlloc(GetProcessHeap(), 0, mapping, cEntries * sizeof(int) ); if(newMap == NULL) { ERR("Can not resize mapping -- out of memory!\n"); GDI_ReleaseObj( hPal ); return FALSE; } palPtr->mapping = newMap; } if( cEntries > cPrevEnt ) { if( mapping ) memset(palPtr->mapping + cPrevEnt, 0, (cEntries - cPrevEnt)*sizeof(int)); memset( (BYTE*)palPtr + prevsize, 0, size - prevsize ); PALETTE_ValidateFlags((PALETTEENTRY*)((BYTE*)palPtr + prevsize), cEntries - cPrevEnt ); } palPtr->logpalette.palNumEntries = cEntries; palPtr->logpalette.palVersion = prevVer; GDI_ReleaseObj( hPal ); return TRUE; } /*********************************************************************** * AnimatePalette [GDI32.@] Replaces entries in logical palette * * RETURNS * Success: TRUE * Failure: FALSE * * FIXME * Should use existing mapping when animating a primary palette */ BOOL WINAPI AnimatePalette( HPALETTE hPal, /* [in] Handle to logical palette */ UINT StartIndex, /* [in] First entry in palette */ UINT NumEntries, /* [in] Count of entries in palette */ const PALETTEENTRY* PaletteColors) /* [in] Pointer to first replacement */ { TRACE("%04x (%i - %i)\n", hPal, StartIndex,StartIndex+NumEntries); if( hPal != GetStockObject(DEFAULT_PALETTE) ) { if (!SetPaletteEntries( hPal, StartIndex, NumEntries, PaletteColors )) return FALSE; if (pLastRealizedDC && pLastRealizedDC->pRealizePalette) pLastRealizedDC->pRealizePalette( NULL, hPal, hPal == hPrimaryPalette ); } return TRUE; } /*********************************************************************** * SetSystemPaletteUse [GDI32.@] * * RETURNS * Success: Previous system palette * Failure: SYSPAL_ERROR */ UINT WINAPI SetSystemPaletteUse( HDC hdc, /* [in] Handle of device context */ UINT use) /* [in] Palette-usage flag */ { UINT old = SystemPaletteUse; FIXME("(%04x,%04x): stub\n", hdc, use ); SystemPaletteUse = use; return old; } /*********************************************************************** * GetSystemPaletteUse [GDI32.@] Gets state of system palette * * RETURNS * Current state of system palette */ UINT WINAPI GetSystemPaletteUse( HDC hdc) /* [in] Handle of device context */ { return SystemPaletteUse; } /*********************************************************************** * GetSystemPaletteEntries [GDI32.@] Gets range of palette entries * * RETURNS * Success: Number of entries retrieved from palette * Failure: 0 */ UINT WINAPI GetSystemPaletteEntries( HDC hdc, /* [in] Handle of device context */ UINT start, /* [in] Index of first entry to be retrieved */ UINT count, /* [in] Number of entries to be retrieved */ LPPALETTEENTRY entries) /* [out] Array receiving system-palette entries */ { UINT ret = 0; DC *dc; TRACE("hdc=%04x,start=%i,count=%i\n", hdc,start,count); if ((dc = DC_GetDCPtr( hdc ))) { if (dc->funcs->pGetSystemPaletteEntries) ret = dc->funcs->pGetSystemPaletteEntries( dc->physDev, start, count, entries ); GDI_ReleaseObj( hdc ); } return ret; } /*********************************************************************** * GetNearestPaletteIndex [GDI32.@] Gets palette index for color * * NOTES * Should index be initialized to CLR_INVALID instead of 0? * * RETURNS * Success: Index of entry in logical palette * Failure: CLR_INVALID */ UINT WINAPI GetNearestPaletteIndex( HPALETTE hpalette, /* [in] Handle of logical color palette */ COLORREF color) /* [in] Color to be matched */ { PALETTEOBJ* palObj = (PALETTEOBJ*)GDI_GetObjPtr( hpalette, PALETTE_MAGIC ); UINT index = 0; if( palObj ) { int i, diff = 0x7fffffff; int r,g,b; PALETTEENTRY* entry = palObj->logpalette.palPalEntry; for( i = 0; i < palObj->logpalette.palNumEntries && diff ; i++, entry++) { if (!(entry->peFlags & PC_SYS_USED)) continue; r = entry->peRed - GetRValue(color); g = entry->peGreen - GetGValue(color); b = entry->peBlue - GetBValue(color); r = r*r + g*g + b*b; if( r < diff ) { index = i; diff = r; } } GDI_ReleaseObj( hpalette ); } TRACE("(%04x,%06lx): returning %d\n", hpalette, color, index ); return index; } /*********************************************************************** * GetNearestColor [GDI32.@] Gets a system color to match * * RETURNS * Success: Color from system palette that corresponds to given color * Failure: CLR_INVALID */ COLORREF WINAPI GetNearestColor( HDC hdc, /* [in] Handle of device context */ COLORREF color) /* [in] Color to be matched */ { unsigned char spec_type; COLORREF nearest; DC *dc; if (!(dc = DC_GetDCPtr( hdc ))) return CLR_INVALID; if (dc->funcs->pGetNearestColor) { nearest = dc->funcs->pGetNearestColor( dc->physDev, color ); GDI_ReleaseObj( hdc ); return nearest; } if (!(GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)) { GDI_ReleaseObj( hdc ); return color; } spec_type = color >> 24; if (spec_type == 1 || spec_type == 2) { /* we need logical palette for PALETTERGB and PALETTEINDEX colorrefs */ UINT index; PALETTEENTRY entry; HPALETTE hpal = dc->hPalette ? dc->hPalette : GetStockObject( DEFAULT_PALETTE ); if (spec_type == 2) /* PALETTERGB */ index = GetNearestPaletteIndex( hpal, color ); else /* PALETTEINDEX */ index = LOWORD(color); if (!GetPaletteEntries( hpal, index, 1, &entry )) { WARN("RGB(%lx) : idx %d is out of bounds, assuming NULL\n", color, index ); if (!GetPaletteEntries( hpal, 0, 1, &entry )) { GDI_ReleaseObj( hdc ); return CLR_INVALID; } } color = RGB( entry.peRed, entry.peGreen, entry.peBlue ); } nearest = color & 0x00ffffff; GDI_ReleaseObj( hdc ); TRACE("(%06lx): returning %06lx\n", color, nearest ); return nearest; } /*********************************************************************** * PALETTE_GetObject */ static INT PALETTE_GetObject( HGDIOBJ handle, void *obj, INT count, LPVOID buffer ) { PALETTEOBJ *palette = obj; if (count > sizeof(WORD)) count = sizeof(WORD); memcpy( buffer, &palette->logpalette.palNumEntries, count ); return count; } /*********************************************************************** * PALETTE_UnrealizeObject */ static BOOL PALETTE_UnrealizeObject( HGDIOBJ handle, void *obj ) { PALETTEOBJ *palette = obj; if (palette->mapping) { HeapFree( GetProcessHeap(), 0, palette->mapping ); palette->mapping = NULL; } if (hLastRealizedPalette == handle) { hLastRealizedPalette = 0; pLastRealizedDC = NULL; } return TRUE; } /*********************************************************************** * PALETTE_DeleteObject */ static BOOL PALETTE_DeleteObject( HGDIOBJ handle, void *obj ) { PALETTEOBJ *palette = obj; HeapFree( GetProcessHeap(), 0, palette->mapping ); if (hLastRealizedPalette == handle) { hLastRealizedPalette = 0; pLastRealizedDC = NULL; } return GDI_FreeObject( handle, obj ); } /*********************************************************************** * GDISelectPalette (Not a Windows API) */ HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) { HPALETTE prev; DC *dc; TRACE("%04x %04x\n", hdc, hpal ); if (GetObjectType(hpal) != OBJ_PAL) { WARN("invalid selected palette %04x\n",hpal); return 0; } if (!(dc = DC_GetDCPtr( hdc ))) return 0; prev = dc->hPalette; dc->hPalette = hpal; GDI_ReleaseObj( hdc ); if (!wBkg) hPrimaryPalette = hpal; return prev; } /*********************************************************************** * GDIRealizePalette (Not a Windows API) */ UINT WINAPI GDIRealizePalette( HDC hdc ) { UINT realized = 0; DC* dc = DC_GetDCPtr( hdc ); if (!dc) return 0; TRACE("%04x...\n", hdc ); if( dc->hPalette == GetStockObject( DEFAULT_PALETTE )) { if (dc->funcs->pRealizeDefaultPalette) realized = dc->funcs->pRealizeDefaultPalette( dc->physDev ); } else if(dc->hPalette != hLastRealizedPalette ) { if (dc->funcs->pRealizePalette) realized = dc->funcs->pRealizePalette( dc->physDev, dc->hPalette, (dc->hPalette == hPrimaryPalette) ); hLastRealizedPalette = dc->hPalette; pLastRealizedDC = dc->funcs; } else TRACE(" skipping (hLastRealizedPalette = %04x)\n", hLastRealizedPalette); GDI_ReleaseObj( hdc ); TRACE(" realized %i colors.\n", realized ); return realized; } /*********************************************************************** * RealizeDefaultPalette (GDI.365) */ UINT16 WINAPI RealizeDefaultPalette16( HDC16 hdc ) { UINT16 ret = 0; DC *dc; TRACE("%04x\n", hdc ); if (!(dc = DC_GetDCPtr( hdc ))) return 0; if (dc->funcs->pRealizeDefaultPalette) ret = dc->funcs->pRealizeDefaultPalette( dc->physDev ); GDI_ReleaseObj( hdc ); return ret; } /*********************************************************************** * IsDCCurrentPalette (GDI.412) * IsDCCurrentPalette16 (GDI32.@) */ BOOL16 WINAPI IsDCCurrentPalette16(HDC16 hDC) { DC *dc = DC_GetDCPtr( hDC ); if (dc) { BOOL bRet = dc->hPalette == hPrimaryPalette; GDI_ReleaseObj( hDC ); return bRet; } return FALSE; } /*********************************************************************** * SelectPalette [GDI32.@] Selects logical palette into DC * * RETURNS * Success: Previous logical palette * Failure: NULL */ HPALETTE WINAPI SelectPalette( HDC hDC, /* [in] Handle of device context */ HPALETTE hPal, /* [in] Handle of logical color palette */ BOOL bForceBackground) /* [in] Foreground/background mode */ { return pfnSelectPalette( hDC, hPal, bForceBackground ); } /*********************************************************************** * RealizePalette [GDI32.@] Maps palette entries to system palette * * RETURNS * Success: Number of entries in logical palette * Failure: GDI_ERROR */ UINT WINAPI RealizePalette( HDC hDC) /* [in] Handle of device context */ { return pfnRealizePalette( hDC ); } typedef HWND (WINAPI *WindowFromDC_funcptr)( HDC ); typedef BOOL (WINAPI *RedrawWindow_funcptr)( HWND, const RECT *, HRGN, UINT ); /********************************************************************** * UpdateColors [GDI32.@] Remaps current colors to logical palette * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI UpdateColors( HDC hDC) /* [in] Handle of device context */ { HMODULE mod; int size = GetDeviceCaps( hDC, SIZEPALETTE ); if (!size) return 0; mod = GetModuleHandleA("user32.dll"); if (mod) { WindowFromDC_funcptr pWindowFromDC = (WindowFromDC_funcptr)GetProcAddress(mod,"WindowFromDC"); if (pWindowFromDC) { HWND hWnd = pWindowFromDC( hDC ); /* Docs say that we have to remap current drawable pixel by pixel * but it would take forever given the speed of XGet/PutPixel. */ if (hWnd && size) { RedrawWindow_funcptr pRedrawWindow = GetProcAddress( mod, "RedrawWindow" ); if (pRedrawWindow) pRedrawWindow( hWnd, NULL, 0, RDW_INVALIDATE ); } } } return 0x666; } /********************************************************************* * SetMagicColors (GDI.606) */ VOID WINAPI SetMagicColors16(HDC16 hDC, COLORREF color, UINT16 index) { FIXME("(hDC %04x, color %04x, index %04x): stub\n", hDC, (int)color, index); } /********************************************************************** * GetICMProfileA [GDI32.@] * * Returns the filename of the specified device context's color * management profile, even if color management is not enabled * for that DC. * * RETURNS * TRUE if name copied succesfully OR lpszFilename is NULL * FALSE if the buffer length pointed to by lpcbName is too small * * NOTE * The buffer length pointed to by lpcbName is ALWAYS updated to * the length required regardless of other actions this function * may take. * * FIXME * How does Windows assign these? Some registry key? */ #define WINEICM "winefake.icm" /* easy-to-identify fake filename */ /*********************************************************************/ BOOL WINAPI GetICMProfileA(HDC hDC, LPDWORD lpcbName, LPSTR lpszFilename) { DWORD callerLen; FIXME("(%04x, %p, %p): partial stub\n", hDC, lpcbName, lpszFilename); callerLen = *lpcbName; /* all 3 behaviors require the required buffer size to be set */ *lpcbName = strlen(WINEICM); /* behavior 1: if lpszFilename is NULL, return size of string and no error */ if ((DWORD)lpszFilename == (DWORD)0x00000000) return TRUE; /* behavior 2: if buffer size too small, return size of string and error */ if (callerLen < strlen(WINEICM)) { SetLastError(ERROR_INSUFFICIENT_BUFFER); return FALSE; } /* behavior 3: if buffer size OK and pointer not NULL, copy and return size */ strcpy(lpszFilename, WINEICM); return TRUE; }