[composer] Prevent more Qt warnings for html item

qgis · Sep 29, 2014 · 40465ca · 40465ca
1 parent 1b51508
commit 40465ca
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/core/composer/qgscomposerhtml.cpp b/src/core/composer/qgscomposerhtml.cpp
@@ -245,6 +245,10 @@ void QgsComposerHtml::renderCachedImage()
     delete mRenderedPage;
   }
   mRenderedPage = new QImage( mWebPage->viewportSize(), QImage::Format_ARGB32 );
+  if ( mRenderedPage->isNull() )
+  {
+    return;
+  }
   QPainter painter;
   painter.begin( mRenderedPage );
   mWebPage->mainFrame()->render( &painter );