Do not try to compute the center of a segment of null length (#34407)

Fix #34396 (cherry picked from commit 0e63de6)
qgis · Feb 26, 2020 · 5cb8573 · 5cb8573
1 parent 8959e81
commit 5cb8573
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/core/symbology/qgslinesymbollayer.cpp b/src/core/symbology/qgslinesymbollayer.cpp
@@ -1653,6 +1653,8 @@ void QgsTemplatedLineSymbolLayerBase::renderPolylineCentral( const QPolygonF &po
                            ( last.y() - it->y() ) * ( last.y() - it->y() ) );
       last = *it;
     }
+    if ( qgsDoubleNear( length, 0.0 ) )
+      return;
 
     const double midPoint = length / 2;