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Authors: Doug Paul <doug@elemental.ath.cx>, Glenn Wurster <gwurster@scs.carleton.ca> 

Change reading of PC_(EXPLICIT|NOCOLLAPSE|RESERVED) to handle multiple
values.
This commit is contained in:
Alexandre Julliard 2004-10-18 21:18:30 +00:00
parent c9eefced36
commit 065fdde8f6
1 changed files with 17 additions and 14 deletions
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27
dlls/x11drv/palette.c
View File

@ -1107,28 +1107,32 @@ static UINT X11DRV_PALETTE_SetMapping( PALETTEOBJ* palPtr, UINT uStart, UINT uNu
index = -1;
flag = PC_SYS_USED;
switch( palPtr->logpalette.palPalEntry[uStart].peFlags & 0x07 )
{
case PC_EXPLICIT: /* palette entries are indices into system palette */
/* 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 ) {
/* palette entries are indices into system palette */
index = *(WORD*)(palPtr->logpalette.palPalEntry + uStart);
if( index > 255 || (index >= COLOR_gapStart && index <= COLOR_gapEnd) )
{
WARN("PC_EXPLICIT: idx %d out of system palette, assuming black.\n", index);
index = 0;
}
break;
case PC_RESERVED: /* forbid future mappings to this entry */
if( X11DRV_PALETTE_PaletteToXPixel ) index = X11DRV_PALETTE_PaletteToXPixel[index];
} else {
if ( palPtr->logpalette.palPalEntry[uStart].peFlags & PC_RESERVED ) {
/* forbid future mappings to this entry */
flag |= PC_SYS_RESERVED;
}
/* fall through */
default: /* try to collapse identical colors */
if (! (palPtr->logpalette.palPalEntry[uStart].peFlags & PC_NOCOLLAPSE) ) {
/* try to collapse identical colors */
index = X11DRV_LookupSysPaletteExact(*(COLORREF*)(palPtr->logpalette.palPalEntry + uStart));
/* fall through */
case PC_NOCOLLAPSE:
}
if( index < 0 )
{
if( X11DRV_PALETTE_firstFree > 0 && !(X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED) )
if( X11DRV_PALETTE_firstFree > 0 )
{
XColor color;
index = X11DRV_PALETTE_firstFree; /* ought to be available */
@ -1164,7 +1168,6 @@ static UINT X11DRV_PALETTE_SetMapping( PALETTEOBJ* palPtr, UINT uStart, UINT uNu
palPtr->logpalette.palPalEntry[uStart].peFlags |= PC_SYS_USED;
if( X11DRV_PALETTE_PaletteToXPixel ) index = X11DRV_PALETTE_PaletteToXPixel[index];
break;
}
if( !prevMapping || palPtr->mapping[uStart] != index ) iRemapped++;