Issue #3074: SIGSEGV when changing sketch plane

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

diff --git a/src/SketcherPrs/SketcherPrs_Collinear.cpp b/src/SketcherPrs/SketcherPrs_Collinear.cpp
index 90e5d1b0e89d80980b761c6e9174150c2a5ae3f3..6b8ce9c80cfbbc00fd3d26677d75fa97ecadec41 100644 (file)
--- a/src/SketcherPrs/SketcherPrs_Collinear.cpp
+++ b/src/SketcherPrs/SketcherPrs_Collinear.cpp
@@ -38,18 +38,18 @@ SketcherPrs_Collinear::SketcherPrs_Collinear(ModelAPI_Feature* theConstraint,
 }
 
 bool SketcherPrs_Collinear::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;
 }