0029814: Modeling Data - add method TopoDS_Shape::NbChildren() for simple check of...
[occt.git] / src / BRep / BRep_TEdge.cxx
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b311480e 1// Created on: 1992-08-25
2// Created by: Modelistation
3// Copyright (c) 1992-1999 Matra Datavision
973c2be1 4// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 5//
973c2be1 6// This file is part of Open CASCADE Technology software library.
b311480e 7//
d5f74e42 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
973c2be1 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.
b311480e 13//
973c2be1 14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
7fd59977 16
42cf5bc1 17
18#include <BRep_CurveOn2Surfaces.hxx>
7fd59977 19#include <BRep_CurveRepresentation.hxx>
7fd59977 20#include <BRep_GCurve.hxx>
42cf5bc1 21#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
22#include <BRep_ListOfCurveRepresentation.hxx>
23#include <BRep_TEdge.hxx>
24#include <Standard_Type.hxx>
25#include <TopAbs.hxx>
b2d1851c 26#include <TopoDS_Shape.hxx>
7fd59977 27
92efcf78 28IMPLEMENT_STANDARD_RTTIEXT(BRep_TEdge,TopoDS_TEdge)
29
7fd59977 30static const Standard_Integer ParameterMask = 1;
31static const Standard_Integer RangeMask = 2;
32static const Standard_Integer DegeneratedMask = 4;
33
34//=======================================================================
35//function : BRep_TEdge
36//purpose :
37//=======================================================================
38
39BRep_TEdge::BRep_TEdge() :
40 TopoDS_TEdge(),
41 myTolerance(RealEpsilon()),
42 myFlags(0)
43{
44 SameParameter(Standard_True);
45 SameRange(Standard_True);
46}
47
48//=======================================================================
49//function : SameParameter
50//purpose :
51//=======================================================================
52
dde68833 53Standard_Boolean BRep_TEdge::SameParameter() const
7fd59977 54{
dde68833 55 return (myFlags & ParameterMask) != 0;
7fd59977 56}
57
58
59//=======================================================================
60//function : SameParameter
61//purpose :
62//=======================================================================
63
64 void BRep_TEdge::SameParameter(const Standard_Boolean S)
65{
66 if (S) myFlags |= ParameterMask;
67 else myFlags &= ~ParameterMask;
68}
69
70
71//=======================================================================
72//function : SameRange
73//purpose :
74//=======================================================================
75
dde68833 76Standard_Boolean BRep_TEdge::SameRange() const
7fd59977 77{
dde68833 78 return (myFlags & RangeMask) != 0;
7fd59977 79}
80
7fd59977 81//=======================================================================
82//function : SameRange
83//purpose :
84//=======================================================================
85
86 void BRep_TEdge::SameRange(const Standard_Boolean S)
87{
88 if (S) myFlags |= RangeMask;
89 else myFlags &= ~RangeMask;
90}
91
92
93//=======================================================================
94//function : Degenerated
95//purpose :
96//=======================================================================
97
dde68833 98Standard_Boolean BRep_TEdge::Degenerated() const
7fd59977 99{
dde68833 100 return (myFlags & DegeneratedMask) != 0;
7fd59977 101}
102
7fd59977 103//=======================================================================
104//function : Degenerated
105//purpose :
106//=======================================================================
107
108 void BRep_TEdge::Degenerated(const Standard_Boolean S)
109{
110 if (S) myFlags |= DegeneratedMask;
111 else myFlags &= ~DegeneratedMask;
112}
113
114//=======================================================================
115//function : EmptyCopy
116//purpose :
117//=======================================================================
118
119Handle(TopoDS_TShape) BRep_TEdge::EmptyCopy() const
120{
121 Handle(BRep_TEdge) TE =
122 new BRep_TEdge();
123 TE->Tolerance(myTolerance);
124 // copy the curves representations
125 BRep_ListOfCurveRepresentation& l = TE->ChangeCurves();
126 BRep_ListIteratorOfListOfCurveRepresentation itr(myCurves);
127
128 while (itr.More()) {
129 // on ne recopie PAS les polygones
130 if ( itr.Value()->IsKind(STANDARD_TYPE(BRep_GCurve)) ||
131 itr.Value()->IsKind(STANDARD_TYPE(BRep_CurveOn2Surfaces)) ) {
132 l.Append(itr.Value()->Copy());
133 }
134 itr.Next();
135 }
136
137 TE->Degenerated(Degenerated());
138 TE->SameParameter(SameParameter());
139 TE->SameRange(SameRange());
140
141 return TE;
142}
143