[greatlrd] 15772: small optimze and bug fix optimze color fill for DIB32_BltBit

small optimze and bug fix optimze color fill for DIB32_BltBit
Modified: trunk/reactos/subsys/win32k/dib/dib32bpp.c
  _____

Modified: trunk/reactos/subsys/win32k/dib/dib32bpp.c
--- trunk/reactos/subsys/win32k/dib/dib32bpp.c	2005-06-04 13:38:48 UTC
(rev 15771)
+++ trunk/reactos/subsys/win32k/dib/dib32bpp.c	2005-06-04 16:09:39 UTC
(rev 15772)
@@ -317,7 +317,7 @@

case ROP4_WHITENESS:   
    		 //return(0xFFFFFFFF);
-			 return DIB32_ColorFill(BltInfo, 0xFFFFFFFF);
+			  return DIB32_ColorFill(BltInfo, 0xFFFFFFFF);
    	 break;

case  ROP4_SRCCOPY:     
@@ -453,7 +453,6 @@
    	{
    		ULONG DestX, DestY;
    		ULONG SourceX, SourceY;
-			ULONG Dest;  
    		PULONG DestBits;

ULONG bottom = BltInfo->DestRect.bottom;
@@ -470,9 +469,8 @@
    			SourceX = BltInfo->SourcePoint.x;
    			for (DestX = BltInfo->DestRect.left;
DestX < right; DestX++, DestBits++, SourceX++)
    			{
-					
-					Dest = *DestBits;
-					*DestBits = (Dest |
DIB_GetSource(BltInfo->SourceSurface,  SourceX, 
+
+					*DestBits = (*DestBits |
DIB_GetSource(BltInfo->SourceSurface,  SourceX, 
                                                SourceY,
BltInfo->XlateSourceToDest));
    			}
    			
@@ -487,8 +485,7 @@
         case BMF_32BPP:
    	{
    		ULONG DestX, DestY;
-			ULONG SourceX, SourceY;
-			ULONG Dest;  
+			ULONG SourceX, SourceY;			
    		PULONG DestBits;

ULONG bottom = BltInfo->DestRect.bottom;
@@ -505,10 +502,8 @@
    						
    			SourceX = BltInfo->SourcePoint.x;
    			for (DestX = BltInfo->DestRect.left;
DestX < right; DestX++, DestBits++, SourceX++)
-				{
-					
-					Dest = *DestBits;
-					*DestBits = (Dest |
DIB_32BPP_GetPixel(BltInfo->SourceSurface,  SourceX, SourceY));
+				{
+					*DestBits = (*DestBits |
DIB_32BPP_GetPixel(BltInfo->SourceSurface,  SourceX, SourceY));
    			}
    			
    		 DestBits = (PULONG)((ULONG_PTR)DestBits +
delta);	
@@ -539,8 +534,7 @@
    	case BMF_24BPP:
    	{
    		ULONG DestX, DestY;
-			ULONG SourceX, SourceY;
-			ULONG Dest;  
+			ULONG SourceX, SourceY;			
    		PULONG DestBits;

ULONG bottom = BltInfo->DestRect.bottom;
@@ -559,8 +553,7 @@
    			for (DestX = BltInfo->DestRect.left;
DestX < right; DestX++, DestBits++, SourceX++)
    			{
    				if (SourceX >
BltInfo->SourceSurface->sizlBitmap.cx) break;	
-
-					Dest = *DestBits;
+					
    				*DestBits =
DIB_GetSource(BltInfo->SourceSurface,  SourceX, 
                                                SourceY,
BltInfo->XlateSourceToDest);
    			}
@@ -627,7 +620,7 @@

if (BltInfo->DestRect.left!=0)
    {
-		SourceX = (BltInfo->DestRect.right -
BltInfo->DestRect.left) << 2;
+		SourceX = (BltInfo->DestRect.right -
BltInfo->DestRect.left) -1;
    	for
(DestY=BltInfo->DestRect.bottom-1;DestY>=BltInfo->DestRect.top;DestY--)
    	{			 				
    		memset4( (PDWORD) (BltInfo->DestSurface->pvScan0
+ DestY * 
@@ -635,8 +628,8 @@

BltInfo->DestRect.left),  color, SourceX);
}
    		
-     } else {			  			 
-		SourceX = ((BltInfo->DestRect.bottom -
BltInfo->DestRect.top) * BltInfo->DestRect.right);
+    } else {			  			 
+		SourceX = ((BltInfo->DestRect.bottom -
BltInfo->DestRect.top) * BltInfo->DestRect.right) -1;

memset4(BltInfo->DestSurface->pvScan0 +
BltInfo->DestRect.top * 
    		    BltInfo->DestSurface->lDelta, color,
SourceX);