Ensure that we have a valid line in line decoration (#4241)

qgis · Nov 13, 2011 · a4b7b71 · a4b7b71
1 parent b8388ee
commit a4b7b71
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/core/symbology-ng/qgslinesymbollayerv2.cpp b/src/core/symbology-ng/qgslinesymbollayerv2.cpp
@@ -639,6 +639,10 @@ void QgsLineDecorationSymbolLayerV2::renderPolyline( const QPolygonF& points, Qg
   }
 
   int cnt = points.count();
+  if ( cnt < 2 )
+  {
+    return;
+  }
   QPointF p2 = points.at( --cnt );
   QPointF p1 = points.at( --cnt );
   while ( p2 == p1 && cnt )