[tkreuzer] 56061: [WIN32K] Initialize the DC's CombinedClip when creating the DC. Fixes a crash caused by Explorer++

Author: tkreuzer
Date: Tue Mar  6 10:33:28 2012
New Revision: 56061

URL: http://svn.reactos.org/svn/reactos?rev=56061&view=rev
Log:
[WIN32K]
Initialize the DC's CombinedClip when creating the DC. Fixes a crash caused by Explorer++

Modified:
    trunk/reactos/subsystems/win32/win32k/objects/dclife.c

Modified: trunk/reactos/subsystems/win32/win32k/objects/dclife.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/obj...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/dclife.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/dclife.c [iso-8859-1] Tue Mar  6 10:33:28 2012
@@ -112,6 +112,8 @@
 void
 DC_InitHack(PDC pdc)
 {
+    HRGN hVisRgn;
+
     TextIntRealizeFont(pdc->pdcattr->hlfntNew,NULL);
     pdc->pdcattr->iCS_CP = ftGdiGetTextCharsetInfo(pdc,NULL,0);

@@ -121,6 +123,11 @@
     /* Select regions */
     pdc->rosdc.hClipRgn = NULL;
     pdc->rosdc.hGCClipRgn = NULL;
+
+    hVisRgn = IntSysCreateRectRgn(0, 0, 1, 1);
+    ASSERT(hVisRgn);
+    GdiSelectVisRgn(pdc->BaseObject.hHmgr, hVisRgn);
+    GreDeleteObject(hVisRgn);
 }

VOID