[fireball] 40362: Evgeniy Boltik <[e-mail]> - Fix copypaste mistake in EngStretchBltROP. - Fix check in EngStretchBltROP, it should check original InputRect, not the clipped one. - Fix improper variable type in DIB_XXBPP_StretchBlt: PatternX and PatternY could be negative. See issue #4336 for more details.

Author: fireball
Date: Sat Apr  4 22:24:24 2009
New Revision: 40362

URL: http://svn.reactos.org/svn/reactos?rev=40362&view=rev
Log:
Evgeniy Boltik <bstsoft(a)narod.ru>
- Fix copypaste mistake in EngStretchBltROP.
- Fix check in EngStretchBltROP, it should check original InputRect, not the clipped one.
- Fix improper variable type in DIB_XXBPP_StretchBlt: PatternX and PatternY could be
negative.
See issue #4336 for more details.

Modified:
    trunk/reactos/subsystems/win32/win32k/dib/dibXXbpp.c
    trunk/reactos/subsystems/win32/win32k/eng/bitblt.c

Modified: trunk/reactos/subsystems/win32/win32k/dib/dibXXbpp.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/di…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/dib/dibXXbpp.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/dib/dibXXbpp.c [iso-8859-1] Sat Apr  4 22:24:24
2009
@@ -50,7 +50,7 @@
     PFN_DIB_GetPixel fnPattern_GetPixel = NULL;
     PFN_DIB_GetPixel fnMask_GetPixel = NULL;
 
-    ULONG PatternX = 0, PatternY = 0;
+    LONG PatternX = 0, PatternY = 0;
 
     BOOL UsesSource = ROP4_USES_SOURCE(ROP);
     BOOL UsesPattern = ROP4_USES_PATTERN(ROP);

Modified: trunk/reactos/subsystems/win32/win32k/eng/bitblt.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/en…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/eng/bitblt.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/eng/bitblt.c [iso-8859-1] Sat Apr  4 22:24:24
2009
@@ -938,8 +938,8 @@
     }
     if (OutputRect.bottom < OutputRect.top)
     {
-        OutputRect.left = prclDest->right;
-        OutputRect.right = prclDest->left;
+        OutputRect.top = prclDest->bottom;
+        OutputRect.bottom = prclDest->top;
     }
     
     InputRect = *prclSrc;
@@ -1198,8 +1198,8 @@
         }
         InputRect = *SourceRect;
  
-        if (InputClippedRect.right < InputClippedRect.left ||
-                InputClippedRect.bottom < InputClippedRect.top)
+        if (InputRect.right < InputRect.left ||
+                InputRect.bottom < InputRect.top)
         {
             /* Everything clipped away, nothing to do */
             return TRUE;