Don't attempt to render NULL strings.

Change-Id: I54a664d7c4b0dc8824a099b035e26872f0b6fa7f
Kitware · Oct 15, 2014 · 5d32344 · 5d32344
1 parent 1edb598
commit 5d32344
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/Rendering/GL2PS/vtkGL2PSUtilities.cxx b/Rendering/GL2PS/vtkGL2PSUtilities.cxx
@@ -44,6 +44,11 @@ float vtkGL2PSUtilities::LineWidthFactor = 5.f / 7.f;
 void vtkGL2PSUtilities::DrawString(const char *str,
                                    vtkTextProperty *tprop, double pos[])
 {
+  if (!str)
+    {
+    return;
+    }
+
   vtkTextRenderer *tren(vtkTextRenderer::GetInstance());
   if (tren == NULL)
     {