Alexandre Julliard : winex11.drv: Avoid some direct accesses to the PALETTEOBJ structure.
Module: wine Branch: master Commit: 385ceeb8bcb0250ac04b586440c7577b840c2a2b URL: http://source.winehq.org/git/wine.git/?a=commit;h=385ceeb8bcb0250ac04b586440... Author: Alexandre Julliard <julliard(a)winehq.org> Date: Fri Nov 17 13:47:39 2006 +0100 winex11.drv: Avoid some direct accesses to the PALETTEOBJ structure. --- dlls/winex11.drv/palette.c | 79 ++++++++++++++++++++++++------------------- 1 files changed, 44 insertions(+), 35 deletions(-) diff --git a/dlls/winex11.drv/palette.c b/dlls/winex11.drv/palette.c index 1bf3ec8..519dfe9 100644 --- a/dlls/winex11.drv/palette.c +++ b/dlls/winex11.drv/palette.c @@ -855,8 +855,9 @@ int X11DRV_PALETTE_ToPhysical( X11DRV_PD break; case 1: /* PALETTEINDEX */ - - if( idx >= palPtr->logpalette.palNumEntries) + { + PALETTEENTRY entry; + if (!GetPaletteEntries( hPal, idx, 1, &entry )) { WARN("PALETTEINDEX(%x) : idx %d is out of bounds, assuming black\n", color, idx); GDI_ReleaseObj( hPal ); @@ -869,8 +870,9 @@ int X11DRV_PALETTE_ToPhysical( X11DRV_PD GDI_ReleaseObj( hPal ); return ret; } - color = *(COLORREF*)(palPtr->logpalette.palPalEntry + idx); + color = RGB( entry.peRed, entry.peGreen, entry.peBlue ); break; + } default: color &= 0xffffff; @@ -1048,10 +1050,9 @@ static BOOL X11DRV_PALETTE_CheckSysColor /*********************************************************************** * X11DRV_LookupSysPaletteExact */ -static int X11DRV_LookupSysPaletteExact( COLORREF col ) +static int X11DRV_LookupSysPaletteExact( BYTE r, BYTE g, BYTE b ) { int i; - BYTE r = GetRValue(col), g = GetGValue(col), b = GetBValue(col); for( i = 0; i < palette_size; i++ ) { if( COLOR_sysPal[i].peFlags & PC_SYS_USED ) /* skips gap */ @@ -1070,13 +1071,17 @@ static int X11DRV_LookupSysPaletteExact( * Set the color-mapping table for selected palette. * Return number of entries which mapping has changed. */ -static UINT X11DRV_PALETTE_SetMapping( PALETTEOBJ* palPtr, UINT uStart, UINT uNum, BOOL mapOnly ) +static UINT X11DRV_PALETTE_SetMapping( HPALETTE hpal, PALETTEOBJ* palPtr, BOOL mapOnly ) { char flag; int prevMapping = (palPtr->mapping) ? 1 : 0; int index; - UINT iRemapped = 0; + UINT i, iRemapped = 0; int* mapping; + PALETTEENTRY entries[256]; + WORD num_entries; + + if (!GetObjectW( hpal, sizeof(num_entries), &num_entries )) return 0; /* reset dynamic system palette entries */ @@ -1085,11 +1090,9 @@ static UINT X11DRV_PALETTE_SetMapping( P /* initialize palette mapping table */ if (palPtr->mapping) - mapping = HeapReAlloc( GetProcessHeap(), 0, palPtr->mapping, - sizeof(int)*palPtr->logpalette.palNumEntries); + mapping = HeapReAlloc( GetProcessHeap(), 0, palPtr->mapping, sizeof(int)*num_entries); else - mapping = HeapAlloc( GetProcessHeap(), 0, - sizeof(int)*palPtr->logpalette.palNumEntries); + mapping = HeapAlloc( GetProcessHeap(), 0, sizeof(int)*num_entries); if(mapping == NULL) { ERR("Unable to allocate new mapping -- memory exhausted!\n"); @@ -1097,12 +1100,14 @@ static UINT X11DRV_PALETTE_SetMapping( P } palPtr->mapping = mapping; - if (uStart >= palPtr->logpalette.palNumEntries) return 0; - - if (uStart + uNum > palPtr->logpalette.palNumEntries) - uNum = palPtr->logpalette.palNumEntries - uStart; + if (num_entries > 256) + { + FIXME( "more than 256 entries not supported\n" ); + num_entries = 256; + } + if (!(num_entries = GetPaletteEntries( hpal, 0, num_entries, entries ))) return 0; - for( uNum += uStart; uStart < uNum; uStart++ ) + for (i = 0; i < num_entries; i++) { index = -1; flag = PC_SYS_USED; @@ -1110,9 +1115,9 @@ static UINT X11DRV_PALETTE_SetMapping( P /* Even though the docs say that only one flag is to be set, * they are a bitmask. At least one app sets more than one at * the same time. */ - if ( palPtr->logpalette.palPalEntry[uStart].peFlags & PC_EXPLICIT ) { + if ( entries[i].peFlags & PC_EXPLICIT ) { /* palette entries are indices into system palette */ - index = *(WORD*)(palPtr->logpalette.palPalEntry + uStart); + index = *(WORD*)&entries[i]; if( index > 255 || (index >= COLOR_gapStart && index <= COLOR_gapEnd) ) { WARN("PC_EXPLICIT: idx %d out of system palette, assuming black.\n", index); @@ -1120,14 +1125,14 @@ static UINT X11DRV_PALETTE_SetMapping( P } if( X11DRV_PALETTE_PaletteToXPixel ) index = X11DRV_PALETTE_PaletteToXPixel[index]; } else { - if ( palPtr->logpalette.palPalEntry[uStart].peFlags & PC_RESERVED ) { + if ( entries[i].peFlags & PC_RESERVED ) { /* forbid future mappings to this entry */ flag |= PC_SYS_RESERVED; } - if (! (palPtr->logpalette.palPalEntry[uStart].peFlags & PC_NOCOLLAPSE) ) { + if (! (entries[i].peFlags & PC_NOCOLLAPSE) ) { /* try to collapse identical colors */ - index = X11DRV_LookupSysPaletteExact(*(COLORREF*)(palPtr->logpalette.palPalEntry + uStart)); + index = X11DRV_LookupSysPaletteExact( entries[i].peRed, entries[i].peGreen, entries[i].peBlue ); } if( index < 0 ) @@ -1139,15 +1144,15 @@ static UINT X11DRV_PALETTE_SetMapping( P X11DRV_PALETTE_firstFree = X11DRV_PALETTE_freeList[index]; color.pixel = (X11DRV_PALETTE_PaletteToXPixel) ? X11DRV_PALETTE_PaletteToXPixel[index] : index; - color.red = palPtr->logpalette.palPalEntry[uStart].peRed << 8; - color.green = palPtr->logpalette.palPalEntry[uStart].peGreen << 8; - color.blue = palPtr->logpalette.palPalEntry[uStart].peBlue << 8; + color.red = entries[i].peRed << 8; + color.green = entries[i].peGreen << 8; + color.blue = entries[i].peBlue << 8; color.flags = DoRed | DoGreen | DoBlue; wine_tsx11_lock(); XStoreColor(gdi_display, X11DRV_PALETTE_PaletteXColormap, &color); wine_tsx11_unlock(); - COLOR_sysPal[index] = palPtr->logpalette.palPalEntry[uStart]; + COLOR_sysPal[index] = entries[i]; COLOR_sysPal[index].peFlags = flag; X11DRV_PALETTE_freeList[index] = 0; @@ -1155,23 +1160,23 @@ static UINT X11DRV_PALETTE_SetMapping( P } else if ( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL ) { - index = X11DRV_PALETTE_ToPhysical( NULL, 0x00ffffff & - *(COLORREF*)(palPtr->logpalette.palPalEntry + uStart)); + index = X11DRV_PALETTE_ToPhysical( NULL, + RGB( entries[i].peRed, entries[i].peGreen, entries[i].peBlue )); } /* we have to map to existing entry in the system palette */ - index = X11DRV_SysPaletteLookupPixel( *(COLORREF*)(palPtr->logpalette.palPalEntry + uStart), TRUE); + index = X11DRV_SysPaletteLookupPixel( RGB( entries[i].peRed, entries[i].peGreen, entries[i].peBlue ), + TRUE ); } if( X11DRV_PALETTE_PaletteToXPixel ) index = X11DRV_PALETTE_PaletteToXPixel[index]; } - if( !prevMapping || palPtr->mapping[uStart] != index ) iRemapped++; - palPtr->mapping[uStart] = index; + if( !prevMapping || palPtr->mapping[i] != index ) iRemapped++; + palPtr->mapping[i] = index; - TRACE("entry %i (%x) -> pixel %i\n", uStart, - *(COLORREF*)(palPtr->logpalette.palPalEntry + uStart), index); + TRACE("entry %i (%x) -> pixel %i\n", i, *(COLORREF*)&entries[i], index); } return iRemapped; @@ -1252,7 +1257,7 @@ UINT X11DRV_RealizePalette( X11DRV_PDEVI if (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL) return 0; if (!(palPtr = GDI_GetObjPtr( hpal, PALETTE_MAGIC ))) return 0; - ret = X11DRV_PALETTE_SetMapping( palPtr, 0, palPtr->logpalette.palNumEntries, !primary ); + ret = X11DRV_PALETTE_SetMapping( hpal, palPtr, !primary ); GDI_ReleaseObj( hpal ); return ret; } @@ -1272,10 +1277,14 @@ UINT X11DRV_RealizeDefaultPalette( X11DR { /* lookup is needed to account for SetSystemPaletteUse() stuff */ int i, index; + PALETTEENTRY entries[NB_RESERVED_COLORS]; - for( i = 0; i < 20; i++ ) + GetPaletteEntries( GetStockObject(DEFAULT_PALETTE), 0, NB_RESERVED_COLORS, entries ); + for( i = 0; i < NB_RESERVED_COLORS; i++ ) { - index = X11DRV_PALETTE_LookupSystemXPixel(*(COLORREF*)(palPtr->logpalette.palPalEntry + i)); + index = X11DRV_PALETTE_LookupSystemXPixel( RGB(entries[i].peRed, + entries[i].peGreen, + entries[i].peBlue) ); /* mapping is allocated in COLOR_InitPalette() */ if( index != palPtr->mapping[i] ) {
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Alexandre Julliard