gtk3: fix cairo canvas crash for non X (or svp) backend

2011-10-20 21:49:40 +01:00
parent 6328bfd857
commit a07e8231a5
1 changed files with 3 additions and 0 deletions
--- a/canvas/source/cairo/cairo_xlib_cairo.cxx
+++ b/canvas/source/cairo/cairo_xlib_cairo.cxx
@@ -55,6 +55,9 @@ namespace cairo
            return false;

        Display* pDisplay = (Display*)pOutDev->GetSystemGfxData().pDisplay;
+        if( !pDisplay )
+            return false;
+
        int nDummy;
        return XQueryExtension( pDisplay, "RENDER", &nDummy, &nDummy, &nDummy );
    }