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- Apply a fix by Timo Kreuzer for the bug spotted by Evgeniy Boltik. 4 failures less in "gdi32_winetest.exe bitmap" now.

Browse source 
See issue #4326 for more details.

svn path=/trunk/; revision=40332
This commit is contained in:
Aleksey Bragin 2009-04-02 17:43:24 +00:00
parent b9451c3494
commit 35e7c09e4b
1 changed files with 14 additions and 9 deletions
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23
reactos/subsystems/win32/win32k/dib/dib1bpp.c
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@ -62,8 +62,11 @@ DIB_1BPP_VLine(SURFOBJ *SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
static
void
DIB_1BPP_BitBltSrcCopy_From1BPP (
SURFOBJ* DestSurf, SURFOBJ* SourceSurf,
PRECTL DestRect, POINTL *SourcePoint )
SURFOBJ* DestSurf,
SURFOBJ* SourceSurf,
XLATEOBJ* pxlo,
PRECTL DestRect,
POINTL *SourcePoint )
{
// the 'window' in this sense is the x-position that corresponds
// to the left-edge of the 8-pixel byte we are currently working with.
@ -88,9 +91,9 @@ DIB_1BPP_BitBltSrcCopy_From1BPP (
int dy2; // dest y end
int sy1; // src y start
int dx;
int dx;
int shift;
BYTE srcmask, dstmask;
BYTE srcmask, dstmask, xormask;
// 'd' and 's' are the dest & src buffer pointers that I use on my x-sweep
// 'pd' and 'ps' are the dest & src buffer pointers used on the inner y-sweep
@ -99,6 +102,8 @@ DIB_1BPP_BitBltSrcCopy_From1BPP (
shift = (dl-sl)&7;
xormask = 0xFF * XLATEOBJ_iXlate(pxlo, 0);
if ( DestRect->top <= SourcePoint->y )
{
// moving up ( scan top -> bottom )
@ -164,7 +169,7 @@ DIB_1BPP_BitBltSrcCopy_From1BPP (
{
for ( ;; )
{
*pd = (BYTE)((*pd & dstmask) | (*ps & srcmask));
*pd = (BYTE)((*pd & dstmask) | ((ps[0]^xormask) & srcmask));
// this *must* be here, because we could be going up *or* down...
if ( dy == dy2 )
@ -179,7 +184,7 @@ DIB_1BPP_BitBltSrcCopy_From1BPP (
for ( ;; )
{
*pd = (BYTE)((*pd & dstmask)
| ( ( ps[1] >> shift ) & srcmask ));
| ( ( (ps[1]^xormask) >> shift ) & srcmask ));
// this *must* be here, because we could be going up *or* down...
if ( dy == dy2 )
@ -194,7 +199,7 @@ DIB_1BPP_BitBltSrcCopy_From1BPP (
for ( ;; )
{
*pd = (*pd & dstmask)
| ( ( ps[0] << ( 8 - shift ) ) & srcmask );
| ( ( (ps[0]^xormask) << ( 8 - shift ) ) & srcmask );
// this *must* be here, because we could be going up *or* down...
if ( dy == dy2 )
@ -209,7 +214,7 @@ DIB_1BPP_BitBltSrcCopy_From1BPP (
for ( ;; )
{
*pd = (*pd & dstmask)
| ( ( ( (ps[1])|(ps[0]<<8) ) >> shift ) & srcmask );
| ( ( ( ((ps[1]^xormask))|((ps[0]^xormask)<<8) ) >> shift ) & srcmask );
// this *must* be here, because we could be going up *or* down...
if ( dy == dy2 )
@ -239,7 +244,7 @@ DIB_1BPP_BitBltSrcCopy(PBLTINFO BltInfo)
switch ( BltInfo->SourceSurface->iBitmapFormat )
{
case BMF_1BPP:
DIB_1BPP_BitBltSrcCopy_From1BPP ( BltInfo->DestSurface, BltInfo->SourceSurface, &BltInfo->DestRect, &BltInfo->SourcePoint );
DIB_1BPP_BitBltSrcCopy_From1BPP ( BltInfo->DestSurface, BltInfo->SourceSurface, BltInfo->XlateSourceToDest, &BltInfo->DestRect, &BltInfo->SourcePoint );
break;
case BMF_4BPP: