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