From aef0d18d97e9d3bab72481ecef0eacdc494e31df Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Tue, 4 Jan 2005 12:11:09 +0000
Subject: [PATCH] Use the DC origin to map coordinates in ExcludeUpdateRgn
 instead of calling an internal DCE function.

---
 dlls/user/painting.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/dlls/user/painting.c b/dlls/user/painting.c
index 3aeee06227c..f7b4982797a 100644
--- a/dlls/user/painting.c
+++ b/dlls/user/painting.c
@@ -560,9 +560,12 @@ INT WINAPI ExcludeUpdateRgn( HDC hdc, HWND hwnd )
 
     if (ret != ERROR)
     {
-        /* do ugly coordinate translations in dce.c */
+        POINT pt;
 
-        ret = DCE_ExcludeRgn( hdc, hwnd, update_rgn );
+        GetDCOrgEx( hdc, &pt );
+        MapWindowPoints( 0, hwnd, &pt, 1 );
+        OffsetRgn( update_rgn, -pt.x, -pt.y );
+        ret = ExtSelectClipRgn( hdc, update_rgn, RGN_DIFF );
         DeleteObject( update_rgn );
     }
     return ret;
-- 
2.11.4.GIT