[fireball] 40332: - Apply a fix by Timo Kreuzer for the bug spotted by Evgeniy Boltik. 4 failures less in "gdi32_winetest.exe bitmap" now. See issue #4326 for more details.

Author: fireball
Date: Thu Apr  2 21:43:24 2009
New Revision: 40332

URL: http://svn.reactos.org/svn/reactos?rev=40332&view=rev
Log:
- Apply a fix by Timo Kreuzer for the bug spotted by Evgeniy Boltik. 4 failures less in
"gdi32_winetest.exe bitmap" now.
See issue #4326 for more details.

Modified:
    trunk/reactos/subsystems/win32/win32k/dib/dib1bpp.c

Modified: trunk/reactos/subsystems/win32/win32k/dib/dib1bpp.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/di…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/dib/dib1bpp.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/dib/dib1bpp.c [iso-8859-1] Thu Apr  2 21:43:24
2009
@@ -62,8 +62,11 @@
 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 @@
 	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
@@ -98,6 +101,8 @@
 	PBYTE s, ps; // src ptrs
 
 	shift = (dl-sl)&7;
+
+	xormask = 0xFF * XLATEOBJ_iXlate(pxlo, 0);
 
 	if ( DestRect->top <= SourcePoint->y )
 	{
@@ -164,7 +169,7 @@
 		{
 			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 @@
 			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 @@
 			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 @@
 			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 @@
 	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: