[akhaldi] 60448: [WIN32K] * Improve sanity checking in IntEngAlphaBlend(). Brought to you by Huw Campbell (huw .dot. campbell @at@ gmail .dot. com) CORE-7458 #resolve #comment Committed in r60448. ...

Author: akhaldi
Date: Sun Sep 29 14:33:09 2013
New Revision: 60448

URL: http://svn.reactos.org/svn/reactos?rev=60448&view=rev
Log:
[WIN32K]
* Improve sanity checking in IntEngAlphaBlend(). Brought to you by Huw Campbell (huw .dot.
campbell @at@ gmail .dot. com)
CORE-7458 #resolve #comment Committed in r60448. Thanks ;)

Modified:
    trunk/reactos/win32ss/gdi/eng/alphablend.c

Modified: trunk/reactos/win32ss/gdi/eng/alphablend.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/eng/alphablend…
==============================================================================
--- trunk/reactos/win32ss/gdi/eng/alphablend.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/eng/alphablend.c	[iso-8859-1] Sun Sep 29 14:33:09 2013
@@ -118,7 +118,7 @@
     OutputRect.top += Translate.y;
     OutputRect.bottom += Translate.y;
 
-    ASSERT(InputRect.left < InputRect.right && InputRect.top <
InputRect.bottom);
+    ASSERT(InputRect.left <= InputRect.right && InputRect.top <=
InputRect.bottom);
 
     Ret = FALSE;
     ClippingType = (ClipRegion == NULL) ? DC_TRIVIAL : ClipRegion->iDComplexity;
@@ -141,7 +141,6 @@
                 Rect.right = InputRect.right + (CombinedRect.right - OutputRect.right) *
(InputRect.right - InputRect.left) / (OutputRect.right - OutputRect.left);
                 Rect.top = InputRect.top + (CombinedRect.top - OutputRect.top) *
(InputRect.bottom - InputRect.top) / (OutputRect.bottom - OutputRect.top);
                 Rect.bottom = InputRect.bottom + (CombinedRect.bottom -
OutputRect.bottom) * (InputRect.bottom - InputRect.top) / (OutputRect.bottom -
OutputRect.top);
-                ASSERT(InputRect.left < InputRect.right && InputRect.top <
InputRect.bottom);
 
                 /* Aplha blend one rect */
                 Ret =
DibFunctionsForBitmapFormat[OutputObj->iBitmapFormat].DIB_AlphaBlend(
@@ -170,7 +169,6 @@
                         Rect.right = InputRect.right + (CombinedRect.right -
OutputRect.right) * (InputRect.right - InputRect.left) / (OutputRect.right -
OutputRect.left);
                         Rect.top = InputRect.top + (CombinedRect.top - OutputRect.top) *
(InputRect.bottom - InputRect.top) / (OutputRect.bottom - OutputRect.top);
                         Rect.bottom = InputRect.bottom + (CombinedRect.bottom -
OutputRect.bottom) * (InputRect.bottom - InputRect.top) / (OutputRect.bottom -
OutputRect.top);
-                        ASSERT(InputRect.left < InputRect.right &&
InputRect.top < InputRect.bottom);
 
                         /* Alpha blend one rect */
                         Ret =
DibFunctionsForBitmapFormat[OutputObj->iBitmapFormat].DIB_AlphaBlend(