Fixes crash in map tool

qgis · Feb 16, 2018 · 5d921cc · 5d921cc
1 parent 4e72917
commit 5d921cc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/app/qgsmaptoolcircle2tangentspoint.cpp b/src/app/qgsmaptoolcircle2tangentspoint.cpp
@@ -131,7 +131,7 @@ void QgsMapToolCircle2TangentsPoint::cadCanvasMoveEvent( QgsMapMouseEvent *e )
     }
   }
 
-  if ( mPoints.size() == 4 )
+  if ( mPoints.size() == 4 && !mCenters.isEmpty() )
   {
     QgsPoint center = QgsPoint( mCenters.at( 0 ) );
     const double currentDist = mapPoint.distanceSquared( center );