gdi32: Reset the visible region in ResetDC.

dlls/gdi32/dc.c

@@ -859,7 +859,17 @@ HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
 
     if ((dc = get_dc_ptr( hdc )))
     {
-        if (dc->funcs->pResetDC) ret = dc->funcs->pResetDC( dc->physDev, devmode );
+        if (dc->funcs->pResetDC)
+        {
+            ret = dc->funcs->pResetDC( dc->physDev, devmode );
+            if (ret)  /* reset the visible region */
+            {
+                dc->dirty = 0;
+                SetRectRgn( dc->hVisRgn, 0, 0, GetDeviceCaps( hdc, DESKTOPHORZRES ),
+                            GetDeviceCaps( hdc, DESKTOPVERTRES ) );
+                CLIPPING_UpdateGCRegion( dc );
+            }
+        }
         release_dc_ptr( dc );
     }
     return ret;

dlls/wineps.drv/init.c

@@ -401,14 +401,10 @@ BOOL CDECL PSDRV_DeleteDC( PSDRV_PDEVICE *physDev )
 HDC CDECL PSDRV_ResetDC( PSDRV_PDEVICE *physDev, const DEVMODEW *lpInitData )
 {
     if(lpInitData) {
-        HRGN hrgn;
         DEVMODEA *devmodeA = DEVMODEdupWtoA(PSDRV_Heap, lpInitData);
         PSDRV_MergeDevmodes(physDev->Devmode, (PSDRV_DEVMODEA *)devmodeA, physDev->pi);
         HeapFree(PSDRV_Heap, 0, devmodeA);
         PSDRV_UpdateDevCaps(physDev);
-        hrgn = CreateRectRgn(0, 0, physDev->horzRes, physDev->vertRes);
-        SelectVisRgn( physDev->hdc, hrgn );
-        DeleteObject(hrgn);
     }
     return physDev->hdc;
 }