From e337dfa99df8edd5ffd6850764833069f0246049 Mon Sep 17 00:00:00 2001
From: Gregor Schneider <grschneider@gmail.com>
Date: Mon, 9 Feb 2009 13:10:39 +0000
Subject: [PATCH] - Remove coordinate checks from NtGdiStretchBlt, since
 they're done at a later stage differently now - Fixes a div/0 crash that
 happened in XnView and Acrobat Reader 9 Setup

svn path=/trunk/; revision=39510
---
 .../subsystems/win32/win32k/objects/bitblt.c  | 50 -------------------
 1 file changed, 50 deletions(-)

diff --git a/reactos/subsystems/win32/win32k/objects/bitblt.c b/reactos/subsystems/win32/win32k/objects/bitblt.c
index 4e9809df1bc..88feb52b7ee 100644
--- a/reactos/subsystems/win32/win32k/objects/bitblt.c
+++ b/reactos/subsystems/win32/win32k/objects/bitblt.c
@@ -857,56 +857,6 @@ NtGdiStretchBlt(
                 goto failed;
         }
 
-        int sw = BitmapSrc->SurfObj.sizlBitmap.cx;
-        int sh = BitmapSrc->SurfObj.sizlBitmap.cy;
-        if ( SourceRect.left < 0 )
-        {
-            DestRect.left = DestRect.right - (DestRect.right-DestRect.left) * (SourceRect.right)/abs(SourceRect.right-SourceRect.left);
-            SourceRect.left = 0;
-        }
-        if ( SourceRect.top < 0 )
-        {
-            DestRect.top = DestRect.bottom - (DestRect.bottom-DestRect.top) * (SourceRect.bottom)/abs(SourceRect.bottom-SourceRect.top);
-            SourceRect.top = 0;
-        }
-        if ( SourceRect.right < -1 )
-        {
-            DestRect.right = DestRect.left + (DestRect.right-DestRect.left) * (-1-SourceRect.left)/abs(SourceRect.right-SourceRect.left);
-            SourceRect.right = -1;
-        }
-        if ( SourceRect.bottom < -1 )
-        {
-            DestRect.bottom = DestRect.top + (DestRect.bottom-DestRect.top) * (-1-SourceRect.top)/abs(SourceRect.bottom-SourceRect.top);
-            SourceRect.bottom = -1;
-        }
-        if ( SourceRect.right > sw )
-        {
-            DestRect.right = DestRect.left + (DestRect.right-DestRect.left) * abs(sw-SourceRect.left) / abs(SourceRect.right-SourceRect.left);
-            SourceRect.right = sw;
-        }
-        if ( SourceRect.bottom > sh )
-        {
-            DestRect.bottom = DestRect.top + (DestRect.bottom-DestRect.top) * abs(sh-SourceRect.top) / abs(SourceRect.bottom-SourceRect.top);
-            SourceRect.bottom = sh;
-        }
-        sw--;
-        sh--;
-        if ( SourceRect.left > sw )
-        {
-            DestRect.left = DestRect.right - (DestRect.right-DestRect.left) * (SourceRect.right-sw) / abs(SourceRect.right-SourceRect.left);
-            SourceRect.left = 0;
-        }
-        if ( SourceRect.top > sh )
-        {
-            DestRect.top = DestRect.bottom - (DestRect.bottom-DestRect.top) * (SourceRect.bottom-sh) / abs(SourceRect.bottom-SourceRect.top);
-            SourceRect.top = 0;
-        }
-        if (0 == (DestRect.right-DestRect.left) || 0 == (DestRect.bottom-DestRect.top) || 0 == (SourceRect.right-SourceRect.left) || 0 == (SourceRect.bottom-SourceRect.top))
-        {
-            SetLastWin32Error(ERROR_INVALID_PARAMETER);
-            goto failed;
-        }
-
         /* Create the XLATEOBJ. */
         XlateObj = IntCreateXlateForBlt(DCDest, DCSrc, BitmapDest, BitmapSrc);
         if (XlateObj == (XLATEOBJ*)-1)