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Implement NtGdiEngAlphaBlend

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Implement EngAlphaBlend

svn path=/trunk/; revision=28251
This commit is contained in:
Magnus Olsen 2007-08-08 23:03:46 +00:00
parent 54c4a1be66
commit bc272f3edd
4 changed files with 33 additions and 12 deletions
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2
reactos/dll/win32/gdi32/gdi32.def
View file

@ -162,7 +162,7 @@ EndFormPage@4
EndPage@4 EndPage@4
EndPath@4 EndPath@4
EngAcquireSemaphore@4 EngAcquireSemaphore@4
EngAlphaBlend@28 EngAlphaBlend@28=NtGdiEngAlphaBlend@28;
EngAssociateSurface@12 EngAssociateSurface@12
EngBitBlt@44 EngBitBlt@44
EngCheckAbort@4 EngCheckAbort@4

10
reactos/dll/win32/gdi32/misc/stubs.c
View file

@ -2534,16 +2534,6 @@ EngAcquireSemaphore ( IN HSEMAPHORE hsem )
SetLastError(ERROR_CALL_NOT_IMPLEMENTED); SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
} }
/*
* @unimplemented
*/
BOOL STDCALL
EngAlphaBlend(SURFOBJ *psoDest,SURFOBJ *psoSrc,CLIPOBJ *pco,XLATEOBJ *pxlo,RECTL *prclDest,RECTL *prclSrc,BLENDOBJ *pBlendObj)
{
UNIMPLEMENTED;
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return 0;
}
/* /*
* @unimplemented * @unimplemented

31
reactos/subsystems/win32/win32k/eng/bitblt.c
View file

@ -892,6 +892,37 @@ IntEngStretchBlt(SURFOBJ *DestSurf,
return ret; return ret;
} }
BOOL
STDCALL
NtGdiEngAlphaBlend(IN SURFOBJ *Dest,
IN SURFOBJ *Source,
IN CLIPOBJ *ClipRegion,
IN XLATEOBJ *ColorTranslation,
IN PRECTL upDestRect,
IN PRECTL upSourceRect,
IN BLENDOBJ *BlendObj)
{
RECTL DestRect;
RECTL SourceRect;
_SEH_TRY
{
ProbeForRead(upDestRect, sizeof(RECTL), 1);
RtlCopyMemory(&DestRect,upDestRect, sizeof(RECTL));
ProbeForRead(upSourceRect, sizeof(RECTL), 1);
RtlCopyMemory(&Source, upSourceRect, sizeof(RECTL));
}
_SEH_HANDLE
{
_SEH_YIELD(return FALSE);
}
_SEH_END;
return EngAlphaBlend(Dest, Source, ClipRegion, ColorTranslation, &DestRect, &SourceRect, BlendObj);
}
BOOL BOOL
STDCALL STDCALL
EngAlphaBlend(IN SURFOBJ *Dest, EngAlphaBlend(IN SURFOBJ *Dest,

2
reactos/subsystems/win32/win32k/w32ksvc.db
View file

@ -626,7 +626,7 @@ NtUserYieldTask 0
# NtGdiEngStrokeAndFillPath 10 # NtGdiEngStrokeAndFillPath 10
# NtGdiEngPaint 5 # NtGdiEngPaint 5
# NtGdiEngLineTo 9 # NtGdiEngLineTo 9
# NtGdiEngAlphaBlend 7 NtGdiEngAlphaBlend 7
# NtGdiEngGradientFill 10 # NtGdiEngGradientFill 10
# NtGdiEngTransparentBlt 8 # NtGdiEngTransparentBlt 8
# NtGdiEngTextOut 10 # NtGdiEngTextOut 10