Issue #3074: SIGSEGV when changing sketch plane

[modules/shaper.git] / src / SketcherPrs / SketcherPrs_Perpendicular.cpp

diff --git a/src/SketcherPrs/SketcherPrs_Perpendicular.cpp b/src/SketcherPrs/SketcherPrs_Perpendicular.cpp
index acd166cb9343a2fa375c219f22e53c6f9605e4c8..1a801a165a058927ff107c3385a12d541b74e21f 100644 (file)
--- a/src/SketcherPrs/SketcherPrs_Perpendicular.cpp
+++ b/src/SketcherPrs/SketcherPrs_Perpendicular.cpp
@@ -43,17 +43,18 @@ SketcherPrs_Perpendicular::SketcherPrs_Perpendicular(ModelAPI_Feature* theConstr
 }
 
 bool SketcherPrs_Perpendicular::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
-                                                 const std::shared_ptr<GeomAPI_Ax3>&/* thePlane*/)
+                                                 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
 {
   bool aReadyToDisplay = false;
-
-  ObjectPtr aObj1 =
-    SketcherPrs_Tools::getResult(theConstraint, SketchPlugin_Constraint::ENTITY_A());
-  ObjectPtr aObj2 =
-    SketcherPrs_Tools::getResult(theConstraint, SketchPlugin_Constraint::ENTITY_B());
-
-  aReadyToDisplay = SketcherPrs_Tools::getShape(aObj1).get() != NULL &&
-                    SketcherPrs_Tools::getShape(aObj2).get() != NULL;
+  if (thePlane) {
+    ObjectPtr aObj1 =
+      SketcherPrs_Tools::getResult(theConstraint, SketchPlugin_Constraint::ENTITY_A());
+    ObjectPtr aObj2 =
+      SketcherPrs_Tools::getResult(theConstraint, SketchPlugin_Constraint::ENTITY_B());
+
+    aReadyToDisplay = SketcherPrs_Tools::getShape(aObj1).get() != NULL &&
+                      SketcherPrs_Tools::getShape(aObj2).get() != NULL;
+  }
   return aReadyToDisplay;
 }