From a6c6fefb151c65e8b752b1a3c94151c0ef801255 Mon Sep 17 00:00:00 2001
From: kga <kga@opencascade.com>
Date: Tue, 3 Dec 2013 07:19:46 +0000
Subject: [PATCH] Fix SIGSEGV

---
 src/GEOMImpl/GEOMImpl_TranslateDriver.cxx        | 16 ++++------------
 .../TransformationGUI_MultiRotationDlg.cxx       |  3 ++-
 .../TransformationGUI_MultiTranslationDlg.cxx    |  7 ++++---
 3 files changed, 10 insertions(+), 16 deletions(-)

diff --git a/src/GEOMImpl/GEOMImpl_TranslateDriver.cxx b/src/GEOMImpl/GEOMImpl_TranslateDriver.cxx
index 693111163..a25a16004 100644
--- a/src/GEOMImpl/GEOMImpl_TranslateDriver.cxx
+++ b/src/GEOMImpl/GEOMImpl_TranslateDriver.cxx
@@ -27,6 +27,7 @@
 #include <GEOMImpl_ITransformOperations.hxx>
 #include <GEOMImpl_Types.hxx>
 #include <GEOM_Function.hxx>
+#include <GEOMUtils.hxx>
 
 #include <ShapeFix_Shape.hxx>
 #include <ShapeFix_ShapeTolerance.hxx>
@@ -175,10 +176,7 @@ Standard_Integer GEOMImpl_TranslateDriver::Execute(TFunction_Logbook& log) const
     Handle(GEOM_Function) aVector = TI.GetVector();
     gp_Vec Vec = gp::DX();
     if (!aVector.IsNull()) {
-      TopoDS_Shape aV = aVector->GetValue();
-      if (aV.IsNull() || aV.ShapeType() != TopAbs_EDGE) return 0;
-      TopoDS_Edge anEdge = TopoDS::Edge(aV);
-      Vec = gp_Vec(BRep_Tool::Pnt(TopExp::FirstVertex(anEdge)), BRep_Tool::Pnt(TopExp::LastVertex(anEdge)));
+      Vec = GEOMUtils::GetVector( aVector->GetValue(), Standard_False );
       Vec.Normalize();
     }
 
@@ -211,18 +209,12 @@ Standard_Integer GEOMImpl_TranslateDriver::Execute(TFunction_Logbook& log) const
     gp_Vec Vec2 = gp::DY();
 
     if (!aVector.IsNull()) {
-      TopoDS_Shape aV = aVector->GetValue();
-      if (aV.IsNull() || aV.ShapeType() != TopAbs_EDGE) return 0;
-      TopoDS_Edge anEdge = TopoDS::Edge(aV);
-      Vec1 = gp_Vec(BRep_Tool::Pnt(TopExp::FirstVertex(anEdge)), BRep_Tool::Pnt(TopExp::LastVertex(anEdge)));
+      Vec1 = GEOMUtils::GetVector( aVector->GetValue(), Standard_False );
       Vec1.Normalize();
     }
 
     if (!aVector2.IsNull()) {
-      TopoDS_Shape aV = aVector2->GetValue();
-      if (aV.IsNull() || aV.ShapeType() != TopAbs_EDGE) return 0;
-      TopoDS_Edge anEdge = TopoDS::Edge(aV);
-      Vec2 = gp_Vec(BRep_Tool::Pnt(TopExp::FirstVertex(anEdge)), BRep_Tool::Pnt(TopExp::LastVertex(anEdge)));
+      Vec2 = GEOMUtils::GetVector( aVector2->GetValue(), Standard_False );
       Vec2.Normalize();
     }
 
diff --git a/src/TransformationGUI/TransformationGUI_MultiRotationDlg.cxx b/src/TransformationGUI/TransformationGUI_MultiRotationDlg.cxx
index 8c8e3cbe4..a7074e16d 100644
--- a/src/TransformationGUI/TransformationGUI_MultiRotationDlg.cxx
+++ b/src/TransformationGUI/TransformationGUI_MultiRotationDlg.cxx
@@ -275,7 +275,8 @@ void TransformationGUI_MultiRotationDlg::SelectionIntoArgument()
         // angular step
         double diag = sqrt((Xmax-Xmin)*(Xmax-Xmin) + (Ymax-Ymin)*(Ymax-Ymin));
         double d = sqrt((0.5*(Xmax+Xmin))*(0.5*(Xmax+Xmin)) + (0.5*(Ymax+Ymin))*(0.5*(Ymax+Ymin)));
-        myAng = floor(2.0 * atan(diag/d) * 180.0 / M_PI);
+        if ( fabs(d) > 1.e-16 )
+	  myAng = floor(2.0 * atan(diag/d) * 180.0 / M_PI);
         GroupArgs->SpinBox_DX1->setValue(myAng);
 
         // radial step
diff --git a/src/TransformationGUI/TransformationGUI_MultiTranslationDlg.cxx b/src/TransformationGUI/TransformationGUI_MultiTranslationDlg.cxx
index 286e2dc00..b9862ae65 100644
--- a/src/TransformationGUI/TransformationGUI_MultiTranslationDlg.cxx
+++ b/src/TransformationGUI/TransformationGUI_MultiTranslationDlg.cxx
@@ -668,8 +668,8 @@ bool TransformationGUI_MultiTranslationDlg::execute (ObjectList& objects)
     createPathPreview(myVectorU.get());
     createPathPreview(myVectorV.get());
     anObj = anOper->MultiTranslate2D(myBase.get(),
-                                     myVectorU.get(), myStepU, myNbTimesU,
-                                     myVectorV.get(), myStepV, myNbTimesV);
+				     myVectorU.get(), myStepU, myNbTimesU,
+				     myVectorV.get(), myStepV, myNbTimesV);
     if (!IsPreview()) {
       aParameters << GroupDimensions->SpinBox_DX1->text();
       aParameters << GroupDimensions->SpinBox_DY1->text();
@@ -743,10 +743,11 @@ void TransformationGUI_MultiTranslationDlg::createPathPreview ( GEOM::GEOM_Objec
     ShapeAnalysis_Edge aShapeAnal;
     TopoDS_Vertex aFirst = aShapeAnal.FirstVertex( anEdge );
     TopoDS_Vertex aLast = aShapeAnal.LastVertex( anEdge );
+    if ( BRep_Tool::Pnt(aFirst).IsEqual( BRep_Tool::Pnt(aLast), Precision::Confusion() ) ) return;
     TopoDS_Shape aVector = BRepBuilderAPI_MakeEdge(BRep_Tool::Pnt(aFirst), BRep_Tool::Pnt(aLast)).Shape();
     const char* aName = "tmpVector";
     Handle(GEOM_AISVector) anIO = new GEOM_AISVector( aVector, aName );
-
+    
     // add Prs to preview
     SUIT_ViewWindow* vw = SUIT_Session::session()->activeApplication()->desktop()->activeWindow();
     SOCC_Prs* aPrs = dynamic_cast<SOCC_Prs*>(((SOCC_Viewer*)(vw->getViewManager()->getViewModel()))->CreatePrs(0));
-- 
2.39.2