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DIB_32BPP_BitBlt: Fix ROP4_SRCCOPY case for 32bpp.

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svn path=/trunk/; revision=15745
This commit is contained in:
Gregor Anich
2005-06-03 01:45:26 +00:00
parent f240bd9f61
commit e631ea01ae
1 changed files with 22 additions and 12 deletions
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reactos/subsys/win32k/dib/dib32bpp.c
+22 -12
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@@ -393,9 +393,14 @@ DIB_32BPP_BitBlt(PBLTINFO BltInfo)
case BMF_24BPP:
break;
case BMF_32BPP:
SrcmaxX = BltInfo->SourceSurface->sizlBitmap.cx - BltInfo->SourcePoint.x;
SrcmaxY = BltInfo->SourceSurface->sizlBitmap.cy - BltInfo->SourcePoint.y;
{
INT Destdelta;
INT Sourcedelta;
register PBYTE Destaddr;
register PBYTE Srcaddr;
SrcmaxX = BltInfo->SourceSurface->sizlBitmap.cx - BltInfo->SourcePoint.x;
SrcmaxY = BltInfo->SourceSurface->sizlBitmap.cy - BltInfo->SourcePoint.y;
/* calc the dst BMP size */
DesmaxX = BltInfo->DestRect.right - BltInfo->DestRect.left;
@@ -406,19 +411,24 @@ DIB_32BPP_BitBlt(PBLTINFO BltInfo)
if (DesmaxY > SrcmaxY ) DesmaxY = SrcmaxY;
/* do blt */
INT Destdelta = BltInfo->DestSurface->lDelta;
INT Sourcedelta = BltInfo->SourceSurface->lDelta;
register PBYTE Destaddr = BltInfo->DestSurface->pvScan0 + BltInfo->DestRect.top * Destdelta + BltInfo->DestRect.left;
register PBYTE Srcaddr = BltInfo->SourceSurface->pvScan0 + BltInfo->SourcePoint.y * Sourcedelta + BltInfo->SourcePoint.x;
Destdelta = BltInfo->DestSurface->lDelta;
Sourcedelta = BltInfo->SourceSurface->lDelta;
Destaddr = BltInfo->DestSurface->pvScan0 + BltInfo->DestRect.top * Destdelta + BltInfo->DestRect.left;
Srcaddr = BltInfo->SourceSurface->pvScan0 + BltInfo->SourcePoint.y * Sourcedelta + BltInfo->SourcePoint.x;
DesmaxX *= 4;
while (--DesmaxY)
if (DesmaxY > 0)
{
RtlCopyMemory(Destaddr, Srcaddr, DesmaxX);
Destaddr += Destdelta;
Srcaddr += Sourcedelta;
do
{
RtlCopyMemory(Destaddr, Srcaddr, DesmaxX);
Destaddr += Destdelta;
Srcaddr += Sourcedelta;
}
while (--DesmaxY);
}
break;
break;
}
default:
break;