diff -r 41300fa6a67c -r f7bc934e204c examples/openvg/star/starwidget.cpp
--- a/examples/openvg/star/starwidget.cpp	Tue Feb 02 00:43:10 2010 +0200
+++ b/examples/openvg/star/starwidget.cpp	Wed Mar 31 11:06:36 2010 +0300
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -93,8 +93,9 @@
     // and prepare to perform raw OpenVG calls.
     painter.beginNativePainting();
 
-    // Cache the path if we haven't already.
-    if (path == VG_INVALID_HANDLE) {
+    // Cache the path if we haven't already or if the path has
+    // become invalid because the window's context has changed.
+    if (path == VG_INVALID_HANDLE || !vgGetPathCapabilities(path)) {
         path = vgCreatePath(VG_PATH_FORMAT_STANDARD,
                             VG_PATH_DATATYPE_F,
                             1.0f, // scale