[reactos] 01/01: [NtGdi] Fix assert with Winamp

[jimtabor]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=2f5c0ee0a9ffc6619ba35e...

commit 2f5c0ee0a9ffc6619ba35ed120e023283fdb1a88
Author:     jimtabor [e-mail]
AuthorDate: Sun Mar 31 13:31:59 2019 -0500
Commit:     jimtabor [e-mail]
CommitDate: Sun Mar 31 13:31:59 2019 -0500

[NtGdi] Fix assert with Winamp

Fixes CORE-10774.

Reference:
    Alexandre Julliard : Ignore empty rectangles in ExtCreateRegion.
    https://source.winehq.org/git/wine.git/commitdiff/8ac61c5a1e56d0933de8af69db...
---
 win32ss/gdi/ntgdi/region.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/win32ss/gdi/ntgdi/region.c b/win32ss/gdi/ntgdi/region.c
index 13fae9efd1..79712182c7 100644
--- a/win32ss/gdi/ntgdi/region.c
+++ b/win32ss/gdi/ntgdi/region.c
@@ -3858,7 +3858,10 @@ NtGdiExtCreateRegion(
         /* Insert the rectangles one by one */
         for(i=0; i<nCount; i++)
         {
-            REGION_UnionRectWithRgn(Region, &rects[i]);
+            if ( rects[i].left < rects[i].right && rects[i].top < rects[i].bottom )
+            {
+                REGION_UnionRectWithRgn(Region, &rects[i]);
+            }
         }

if (Xform != NULL)