0024383: Access violation during STEP file import
[occt.git] / src / StepToGeom / StepToGeom_MakeLine.cxx
b311480e 1// Created on: 1993-07-02
2// Created by: Martine LANGLOIS
3// Copyright (c) 1993-1999 Matra Datavision
4// Copyright (c) 1999-2012 OPEN CASCADE SAS
6// The content of this file is subject to the Open CASCADE Technology Public
7// License Version 6.5 (the "License"). You may not use the content of this file
8// except in compliance with the License. Please obtain a copy of the License
9// at http://www.opencascade.org and read it completely before using this file.
11// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
14// The Original Code and all software distributed under the License is
15// distributed on an "AS IS" basis, without warranty of any kind, and the
16// Initial Developer hereby disclaims all such warranties, including without
17// limitation, any warranties of merchantability, fitness for a particular
18// purpose or non-infringement. Please see the License for the specific terms
19// and conditions governing the rights and limitations under the License.
7fd59977 21// sln 22.10.2001. CTS23496: Line is not created if direction have not been succesfully created (StepToGeom_MakeLine(...) function)
23#include <StepToGeom_MakeLine.ixx>
24#include <StepGeom_Line.hxx>
25#include <StepGeom_Vector.hxx>
26#include <StepGeom_CartesianPoint.hxx>
27#include <StepToGeom_MakeVectorWithMagnitude.hxx>
28#include <StepToGeom_MakeCartesianPoint.hxx>
29#include <Geom_CartesianPoint.hxx>
30#include <Geom_Line.hxx>
31#include <Geom_VectorWithMagnitude.hxx>
32#include <gp_Pnt.hxx>
33#include <gp_Vec.hxx>
34#include <gp_Dir.hxx>
5cc18856 35#include <Precision.hxx>
7fd59977 36
38// Creation d' une Line de Geom a partir d' une Line de Step
41Standard_Boolean StepToGeom_MakeLine::Convert (const Handle(StepGeom_Line)& SC, Handle(Geom_Line)& CC)
43 Handle(Geom_CartesianPoint) P;
44 if (StepToGeom_MakeCartesianPoint::Convert(SC->Pnt(),P))
45 {
46 // sln 22.10.2001. CTS23496: Line is not created if direction have not been succesfully created
47 Handle(Geom_VectorWithMagnitude) D;
48 if (StepToGeom_MakeVectorWithMagnitude::Convert(SC->Dir(),D))
49 {
5cc18856 50 if( D->Vec().SquareMagnitude() < Precision::Confusion() * Precision::Confusion())
51 return Standard_False;
7fd59977 52 const gp_Dir V(D->Vec());
53 CC = new Geom_Line(P->Pnt(), V);
54 return Standard_True;
55 }
56 }
57 return Standard_False;