1 // Created on: 1992-08-25
2 // Created by: Modelistation
3 // Copyright (c) 1992-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
18 #include <BRep_CurveOn2Surfaces.hxx>
19 #include <BRep_CurveRepresentation.hxx>
20 #include <BRep_GCurve.hxx>
21 #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
22 #include <BRep_ListOfCurveRepresentation.hxx>
23 #include <BRep_TEdge.hxx>
24 #include <Standard_Type.hxx>
26 #include <TopoDS_TShape.hxx>
28 IMPLEMENT_STANDARD_RTTIEXT(BRep_TEdge,TopoDS_TEdge)
30 static const Standard_Integer ParameterMask = 1;
31 static const Standard_Integer RangeMask = 2;
32 static const Standard_Integer DegeneratedMask = 4;
34 //=======================================================================
35 //function : BRep_TEdge
37 //=======================================================================
39 BRep_TEdge::BRep_TEdge() :
41 myTolerance(RealEpsilon()),
44 SameParameter(Standard_True);
45 SameRange(Standard_True);
48 //=======================================================================
49 //function : SameParameter
51 //=======================================================================
53 Standard_Boolean BRep_TEdge::SameParameter()const
55 return myFlags & ParameterMask;
59 //=======================================================================
60 //function : SameParameter
62 //=======================================================================
64 void BRep_TEdge::SameParameter(const Standard_Boolean S)
66 if (S) myFlags |= ParameterMask;
67 else myFlags &= ~ParameterMask;
71 //=======================================================================
72 //function : SameRange
74 //=======================================================================
76 Standard_Boolean BRep_TEdge::SameRange()const
78 return myFlags & RangeMask;
82 //=======================================================================
83 //function : SameRange
85 //=======================================================================
87 void BRep_TEdge::SameRange(const Standard_Boolean S)
89 if (S) myFlags |= RangeMask;
90 else myFlags &= ~RangeMask;
94 //=======================================================================
95 //function : Degenerated
97 //=======================================================================
99 Standard_Boolean BRep_TEdge::Degenerated()const
101 return myFlags & DegeneratedMask;
105 //=======================================================================
106 //function : Degenerated
108 //=======================================================================
110 void BRep_TEdge::Degenerated(const Standard_Boolean S)
112 if (S) myFlags |= DegeneratedMask;
113 else myFlags &= ~DegeneratedMask;
116 //=======================================================================
117 //function : EmptyCopy
119 //=======================================================================
121 Handle(TopoDS_TShape) BRep_TEdge::EmptyCopy() const
123 Handle(BRep_TEdge) TE =
125 TE->Tolerance(myTolerance);
126 // copy the curves representations
127 BRep_ListOfCurveRepresentation& l = TE->ChangeCurves();
128 BRep_ListIteratorOfListOfCurveRepresentation itr(myCurves);
131 // on ne recopie PAS les polygones
132 if ( itr.Value()->IsKind(STANDARD_TYPE(BRep_GCurve)) ||
133 itr.Value()->IsKind(STANDARD_TYPE(BRep_CurveOn2Surfaces)) ) {
134 l.Append(itr.Value()->Copy());
139 TE->Degenerated(Degenerated());
140 TE->SameParameter(SameParameter());
141 TE->SameRange(SameRange());