Empty AIS in the viewer: throw c++ exception (to be finalized, currently do nothing)

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

diff --git a/src/SketcherPrs/SketcherPrs_LengthDimension.cpp b/src/SketcherPrs/SketcherPrs_LengthDimension.cpp
index eaf5ec0cd6819b875cbf09ed7b79b624b08bfcd6..49415d7bbfbb5ffa2c03f690aa75a29d23c2b818 100644 (file)
--- a/src/SketcherPrs/SketcherPrs_LengthDimension.cpp
+++ b/src/SketcherPrs/SketcherPrs_LengthDimension.cpp
@@ -14,6 +14,8 @@
 #include <SketchPlugin_Point.h>
 #include <SketchPlugin_Circle.h>
 
+#include <Events_Error.h>
+
 #include <GeomDataAPI_Point2D.h>
 #include <GeomAPI_Pnt.h>
 #include <GeomAPI_XYZ.h>
@@ -56,8 +58,10 @@ void SketcherPrs_LengthDimension::Compute(const Handle(PrsMgr_PresentationManage
                                  const Standard_Integer theMode)
 {
   gp_Pnt aPnt1, aPnt2;
-  if (!getPoints(aPnt1, aPnt2))
+  if (!getPoints(aPnt1, aPnt2)) {
+    Events_Error::throwException("An empty AIS presentation: SketcherPrs_LengthDimension");
     return;
+  }
 
   // compute flyout distance
   SetFlyout(SketcherPrs_Tools::getFlyoutDistance(myConstraint));