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1 | // Created on: 1997-04-17 |
2 | // Created by: Christophe MARION |
3 | // Copyright (c) 1997-1999 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 under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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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 | |
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17 | #ifndef No_Exception |
18 | #define No_Exception |
19 | #endif |
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20 | |
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21 | |
22 | #include <HLRAlgo_Intersection.hxx> |
23 | #include <HLRBRep_EdgeInterferenceTool.hxx> |
24 | #include <HLRBRep_VertexList.hxx> |
25 | #include <Standard_DomainError.hxx> |
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26 | #include <Standard_NoMoreObject.hxx> |
27 | #include <Standard_NoSuchObject.hxx> |
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28 | |
29 | //======================================================================= |
30 | //function : HLRBRep_VertexList |
31 | //purpose : |
32 | //======================================================================= |
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33 | HLRBRep_VertexList:: |
34 | HLRBRep_VertexList(const HLRBRep_EdgeInterferenceTool& T, |
35 | const HLRAlgo_ListIteratorOfInterferenceList& I) : |
36 | myIterator(I), |
37 | myTool(T), |
38 | fromEdge(Standard_False), |
39 | fromInterf(Standard_False) |
40 | { |
41 | myTool.InitVertices(); |
42 | Next(); |
43 | } |
44 | |
45 | //======================================================================= |
46 | //function : IsPeriodic |
47 | //purpose : |
48 | //======================================================================= |
49 | |
50 | Standard_Boolean HLRBRep_VertexList::IsPeriodic()const |
51 | { |
52 | return myTool.IsPeriodic(); |
53 | } |
54 | |
55 | //======================================================================= |
56 | //function : More |
57 | //purpose : |
58 | //======================================================================= |
59 | |
60 | Standard_Boolean HLRBRep_VertexList::More()const |
61 | { |
62 | return (fromEdge || fromInterf); |
63 | } |
64 | |
65 | //======================================================================= |
66 | //function : Next |
67 | //purpose : |
68 | //======================================================================= |
69 | |
70 | void HLRBRep_VertexList::Next() |
71 | { |
72 | if (fromInterf) |
73 | myIterator.Next(); |
74 | if (fromEdge) |
75 | myTool.NextVertex(); |
76 | fromInterf = myIterator.More(); |
77 | fromEdge = myTool.MoreVertices(); |
78 | if (fromEdge && fromInterf) { |
79 | if (!myTool.SameVertexAndInterference( myIterator.Value())) { |
80 | if (myTool.CurrentParameter() < |
81 | myTool.ParameterOfInterference(myIterator.Value())) { |
82 | fromInterf = Standard_False; |
83 | } |
84 | else { |
85 | fromEdge = Standard_False; |
86 | } |
87 | } |
88 | } |
89 | } |
90 | |
91 | //======================================================================= |
92 | //function : Current |
93 | //purpose : |
94 | //======================================================================= |
95 | |
96 | const HLRAlgo_Intersection & HLRBRep_VertexList::Current() const |
97 | { |
98 | if (fromEdge) |
99 | return myTool.CurrentVertex(); |
100 | else if (fromInterf) |
101 | return myIterator.Value().Intersection(); |
102 | else |
103 | Standard_NoSuchObject::Raise("HLRBRep_VertexList::Current"); |
104 | return myTool.CurrentVertex(); // only for WNT. |
105 | } |
106 | |
107 | //======================================================================= |
108 | //function : IsBoundary |
109 | //purpose : |
110 | //======================================================================= |
111 | |
112 | Standard_Boolean HLRBRep_VertexList::IsBoundary() const |
113 | { |
114 | return fromEdge; |
115 | } |
116 | |
117 | //======================================================================= |
118 | //function : IsInterference |
119 | //purpose : |
120 | //======================================================================= |
121 | |
122 | Standard_Boolean HLRBRep_VertexList::IsInterference() const |
123 | { |
124 | return fromInterf; |
125 | } |
126 | |
127 | //======================================================================= |
128 | //function : Orientation |
129 | //purpose : |
130 | //======================================================================= |
131 | |
132 | TopAbs_Orientation HLRBRep_VertexList::Orientation() const |
133 | { |
134 | if (fromEdge) |
135 | return myTool.CurrentOrientation(); |
136 | else |
137 | Standard_DomainError::Raise("HLRBRep_VertexList::Orientation"); |
138 | return TopAbs_EXTERNAL; // only for WNT. |
139 | } |
140 | |
141 | //======================================================================= |
142 | //function : Transition |
143 | //purpose : |
144 | //======================================================================= |
145 | |
146 | TopAbs_Orientation HLRBRep_VertexList::Transition() const |
147 | { |
148 | if (fromInterf) |
149 | return myIterator.Value().Transition(); |
150 | else |
151 | Standard_DomainError::Raise("HLRBRep_VertexList::Transition"); |
152 | return TopAbs_EXTERNAL; // only for WNT. |
153 | } |
154 | |
155 | //======================================================================= |
156 | //function : BoundaryTransition |
157 | //purpose : |
158 | //======================================================================= |
159 | |
160 | TopAbs_Orientation HLRBRep_VertexList::BoundaryTransition() const |
161 | { |
162 | if (fromInterf) |
163 | return myIterator.Value().BoundaryTransition(); |
164 | else |
165 | Standard_DomainError::Raise("HLRBRep_VertexList::BoundaryTransition"); |
166 | return TopAbs_EXTERNAL; // only for WNT. |
167 | } |