Don't draw empty labels for displacement renderer

Is inefficient and also causes QThreadPool crash on exit in python test (related to creation of QFontMetrics in a thread?)
qgis · Sep 30, 2016 · 168688c · 168688c
1 parent ca7b504
commit 168688c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/core/symbology-ng/qgspointdisplacementrenderer.cpp b/src/core/symbology-ng/qgspointdisplacementrenderer.cpp
@@ -106,7 +106,10 @@ void QgsPointDisplacementRenderer::drawGroup( QPointF centerPoint, QgsRenderCont
   //draw symbols on the circle
   drawSymbols( group, context, symbolPositions );
   //and also the labels
-  drawLabels( centerPoint, symbolContext, labelPositions, group );
+  if ( mLabelIndex >= 0 )
+  {
+    drawLabels( centerPoint, symbolContext, labelPositions, group );
+  }
 }