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Implement NtGdiAnimatePalette (partly ripped from Wine)

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by hpussin

svn path=/trunk/; revision=15577
This commit is contained in:
Magnus Olsen 2005-05-28 12:43:26 +00:00
parent 6cb9982a26
commit 8264539518
3 changed files with 52 additions and 22 deletions
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2
reactos/lib/gdi32/gdi32.def
View file

@ -17,7 +17,7 @@ AddFontResourceExW@12
AddFontResourceW@4
AddFontResourceTracking@8
AngleArc@24
AnimatePalette@16
AnimatePalette@16=NtGdiAnimatePalette@16
AnyLinkedFonts@0
Arc@36=NtGdiArc@36
ArcTo@36=NtGdiArcTo@36

17
reactos/lib/gdi32/misc/stubs.c
View file

@ -13,22 +13,7 @@
#define UNIMPLEMENTED DbgPrint("GDI32: %s is unimplemented, please try again later.\n", __FUNCTION__);
/*
* @unimplemented
*/
BOOL
STDCALL
AnimatePalette(
HPALETTE a0,
UINT a1,
UINT a2,
CONST PALETTEENTRY *a3
)
{
UNIMPLEMENTED;
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}

55
reactos/subsys/win32k/objects/color.c
View file

@ -70,12 +70,57 @@ const PALETTEENTRY* FASTCALL COLOR_GetSystemPaletteTemplate(void)
return (const PALETTEENTRY*)&COLOR_sysPalTemplate;
}
BOOL STDCALL NtGdiAnimatePalette(HPALETTE hPalette, UINT uStartIndex,
UINT uEntries, CONST PPALETTEENTRY ppe)
BOOL STDCALL NtGdiAnimatePalette(HPALETTE hPal, UINT StartIndex,
UINT NumEntries, CONST PPALETTEENTRY PaletteColors)
{
UNIMPLEMENTED;
SetLastWin32Error(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
if( hPal != NtGdiGetStockObject(DEFAULT_PALETTE) )
{
PPALGDI palPtr;
UINT pal_entries;
HDC hDC;
PDC dc;
HWND hHwd;
const PALETTEENTRY *pptr = PaletteColors;
palPtr = (PPALGDI)PALETTE_LockPalette(hPal);
if (!palPtr) return FALSE;
pal_entries = palPtr->NumColors;
if (StartIndex >= pal_entries)
{
PALETTE_UnlockPalette(hPal);
return FALSE;
}
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->IndexedColors[StartIndex].peFlags & PC_RESERVED) {
memcpy( &palPtr->IndexedColors[StartIndex], pptr,
sizeof(PALETTEENTRY) );
PALETTE_ValidateFlags(&palPtr->IndexedColors[StartIndex], 1);
}
}
PALETTE_UnlockPalette(hPal);
/* Immediately apply the new palette if current window uses it */
hHwd = NtUserGetDesktopWindow();
hDC = (HDC)NtUserGetWindowDC(hHwd);
dc = DC_LockDc(hDC);
if (NULL != dc)
{
if (dc->w.hPalette == hPal)
{
DC_UnlockDc(hDC);
NtGdiRealizePalette(hDC);
}
else
DC_UnlockDc(hDC);
}
NtUserReleaseDC(hHwd,hDC);
}
return TRUE;
}
HPALETTE STDCALL NtGdiCreateHalftonePalette(HDC hDC)