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

Don't unrealize the palette by calling SetPaletteEntries.
Check peFlags for PC_RESERVED.
This commit is contained in:
Alexandre Julliard 2004-10-18 21:18:58 +00:00
parent 065fdde8f6
commit 715ea985b9
1 changed files with 37 additions and 1 deletions
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38
dlls/gdi/palette.c
View File

@ -446,7 +446,41 @@ BOOL WINAPI AnimatePalette(
if( hPal != GetStockObject(DEFAULT_PALETTE) )
{
if (!SetPaletteEntries( hPal, StartIndex, NumEntries, PaletteColors )) return FALSE;
PALETTEOBJ * palPtr;
UINT pal_entries;
const PALETTEENTRY *pptr = PaletteColors;
palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hPal, PALETTE_MAGIC );
if (!palPtr) return 0;
pal_entries = palPtr->logpalette.palNumEntries;
if (StartIndex >= pal_entries)
{
GDI_ReleaseObj( hPal );
return 0;
}
if (StartIndex+NumEntries > pal_entries) NumEntries = pal_entries - StartIndex;
for (NumEntries += StartIndex; StartIndex < NumEntries; StartIndex++, pptr++) {
/* According to MSDN, only animate PC_RESERVED colours */
if (palPtr->logpalette.palPalEntry[StartIndex].peFlags & PC_RESERVED) {
TRACE("Animating colour (%d,%d,%d) to (%d,%d,%d)\n",
palPtr->logpalette.palPalEntry[StartIndex].peRed,
palPtr->logpalette.palPalEntry[StartIndex].peGreen,
palPtr->logpalette.palPalEntry[StartIndex].peBlue,
pptr->peRed, pptr->peGreen, pptr->peBlue);
memcpy( &palPtr->logpalette.palPalEntry[StartIndex], pptr,
sizeof(PALETTEENTRY) );
PALETTE_ValidateFlags(&palPtr->logpalette.palPalEntry[StartIndex], 1);
} else {
TRACE("Not animating entry %d -- not PC_RESERVED\n", StartIndex);
}
}
GDI_ReleaseObj( hPal );
TRACE("pLastRealizedDC %p -- pLastRealizedDC->pRealizePalette %p\n",
pLastRealizedDC, pLastRealizedDC ? pLastRealizedDC->pRealizePalette : 0);
if (pLastRealizedDC && pLastRealizedDC->pRealizePalette)
pLastRealizedDC->pRealizePalette( NULL, hPal, hPal == hPrimaryPalette );
@ -669,6 +703,7 @@ static BOOL PALETTE_UnrealizeObject( HGDIOBJ handle, void *obj )
}
if (hLastRealizedPalette == handle)
{
TRACE("unrealizing palette %p\n", handle);
hLastRealizedPalette = 0;
pLastRealizedDC = NULL;
}
@ -686,6 +721,7 @@ static BOOL PALETTE_DeleteObject( HGDIOBJ handle, void *obj )
HeapFree( GetProcessHeap(), 0, palette->mapping );
if (hLastRealizedPalette == handle)
{
TRACE("unrealizing palette %p\n", handle);
hLastRealizedPalette = 0;
pLastRealizedDC = NULL;
}