Check for nullptr layer

YoannQDQ · github-actions[bot] · commit e02a976a5868 · 2023-04-06T02:01:22.000Z
diff --git a/src/app/maptools/qgsmaptoolshapecircleabstract.cpp b/src/app/maptools/qgsmaptoolshapecircleabstract.cpp
@@ -33,9 +33,13 @@ void QgsMapToolShapeCircleAbstract::addCircleToParentTool()
   mParentTool->clearCurve();
 
   // Check whether to draw the circle as a polygon or a circular string
-  const QgsCoordinateReferenceSystem layerCrs = mParentTool->layer()->crs();
-  const QgsCoordinateReferenceSystem mapCrs = mParentTool->canvas()->mapSettings().destinationCrs();
-  const bool drawAsPolygon = layerCrs != mapCrs;
+  bool drawAsPolygon = false;
+  if ( mParentTool->layer() )
+  {
+    const QgsCoordinateReferenceSystem layerCrs = mParentTool->layer()->crs();
+    const QgsCoordinateReferenceSystem mapCrs = mParentTool->canvas()->mapSettings().destinationCrs();
+    bool drawAsPolygon = layerCrs != mapCrs;
+  }
   if ( drawAsPolygon )
   {
     const int segments = QgsSettingsRegistryCore::settingsDigitizingOffsetQuadSeg.value() * 12;
