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1 | // Created on: 1996-02-13 |
2 | // Created by: Yves FRICAUD |
3 | // Copyright (c) 1996-1999 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 | #include <BRepOffset_MakeOffset.hxx> |
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18 | #include <BRepOffsetAPI_MakeOffsetShape.hxx> |
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19 | #include <Standard_ConstructionError.hxx> |
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20 | #include <TopoDS_Shape.hxx> |
21 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
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22 | |
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23 | //======================================================================= |
24 | //function : BRepOffsetAPI_MakeOffsetShape |
25 | //purpose : |
26 | //======================================================================= |
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27 | BRepOffsetAPI_MakeOffsetShape::BRepOffsetAPI_MakeOffsetShape() |
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28 | : myLastUsedAlgo(OffsetAlgo_NONE) |
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29 | { |
30 | } |
31 | |
32 | //======================================================================= |
33 | //function : BRepOffsetAPI_MakeOffsetShape |
34 | //purpose : |
35 | //======================================================================= |
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36 | BRepOffsetAPI_MakeOffsetShape::BRepOffsetAPI_MakeOffsetShape(const TopoDS_Shape& S, |
37 | const Standard_Real Offset, |
38 | const Standard_Real Tol, |
39 | const BRepOffset_Mode Mode, |
40 | const Standard_Boolean Intersection, |
41 | const Standard_Boolean SelfInter, |
42 | const GeomAbs_JoinType Join, |
43 | const Standard_Boolean RemoveIntEdges) |
44 | : myLastUsedAlgo(OffsetAlgo_NONE) |
45 | { |
46 | PerformByJoin(S, Offset, Tol, Mode, Intersection, SelfInter, Join, RemoveIntEdges); |
47 | } |
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48 | |
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49 | //======================================================================= |
50 | //function : PerformByJoin |
51 | //purpose : |
52 | //======================================================================= |
53 | void BRepOffsetAPI_MakeOffsetShape::PerformByJoin |
54 | (const TopoDS_Shape& S, |
55 | const Standard_Real Offset, |
56 | const Standard_Real Tol, |
57 | const BRepOffset_Mode Mode, |
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58 | const Standard_Boolean Intersection, |
59 | const Standard_Boolean SelfInter, |
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60 | const GeomAbs_JoinType Join, |
61 | const Standard_Boolean RemoveIntEdges) |
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62 | { |
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63 | NotDone(); |
64 | myLastUsedAlgo = OffsetAlgo_JOIN; |
65 | |
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66 | myOffsetShape.Initialize (S,Offset,Tol,Mode,Intersection,SelfInter, |
67 | Join, Standard_False, RemoveIntEdges); |
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68 | myOffsetShape.MakeOffsetShape(); |
69 | |
70 | if (!myOffsetShape.IsDone()) |
71 | return; |
72 | |
73 | myShape = myOffsetShape.Shape(); |
74 | Done(); |
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75 | } |
76 | |
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77 | //======================================================================= |
78 | //function : PerformBySimple |
79 | //purpose : |
80 | //======================================================================= |
81 | void BRepOffsetAPI_MakeOffsetShape::PerformBySimple(const TopoDS_Shape& theS, |
82 | const Standard_Real theOffsetValue) |
83 | { |
84 | NotDone(); |
85 | myLastUsedAlgo = OffsetAlgo_SIMPLE; |
86 | |
87 | mySimpleOffsetShape.Initialize(theS, theOffsetValue); |
88 | mySimpleOffsetShape.Perform(); |
89 | |
90 | if (!mySimpleOffsetShape.IsDone()) |
91 | return; |
92 | |
93 | myShape = mySimpleOffsetShape.GetResultShape(); |
94 | Done(); |
95 | } |
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96 | |
97 | //======================================================================= |
98 | //function :MakeOffset |
99 | //purpose : |
100 | //======================================================================= |
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101 | const BRepOffset_MakeOffset& BRepOffsetAPI_MakeOffsetShape::MakeOffset() const |
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102 | { |
103 | return myOffsetShape; |
104 | } |
105 | |
106 | //======================================================================= |
107 | //function : Build |
108 | //purpose : |
109 | //======================================================================= |
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110 | void BRepOffsetAPI_MakeOffsetShape::Build() |
111 | { |
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112 | } |
113 | |
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114 | //======================================================================= |
115 | //function : Generated |
116 | //purpose : |
117 | //======================================================================= |
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118 | const TopTools_ListOfShape& BRepOffsetAPI_MakeOffsetShape::Generated (const TopoDS_Shape& S) |
119 | { |
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120 | myGenerated.Clear(); |
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121 | if (myLastUsedAlgo == OffsetAlgo_JOIN) |
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122 | { |
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123 | myGenerated = myOffsetShape.Generated (S); |
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124 | } |
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125 | else if (myLastUsedAlgo == OffsetAlgo_SIMPLE) |
126 | { |
127 | TopoDS_Shape aGenShape = mySimpleOffsetShape.Generated(S); |
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128 | if (!aGenShape.IsNull() && !aGenShape.IsSame (S)) |
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129 | myGenerated.Append(aGenShape); |
130 | } |
131 | |
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132 | return myGenerated; |
133 | } |
134 | |
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135 | //======================================================================= |
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136 | //function : Modified |
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137 | //purpose : |
138 | //======================================================================= |
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139 | const TopTools_ListOfShape& BRepOffsetAPI_MakeOffsetShape::Modified (const TopoDS_Shape& S) |
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140 | { |
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141 | myGenerated.Clear(); |
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142 | if (myLastUsedAlgo == OffsetAlgo_JOIN) |
143 | { |
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144 | myGenerated = myOffsetShape.Modified (S); |
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145 | } |
146 | else if (myLastUsedAlgo == OffsetAlgo_SIMPLE) |
147 | { |
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148 | TopoDS_Shape aGenShape = mySimpleOffsetShape.Modified(S); |
149 | if (!aGenShape.IsNull() && !aGenShape.IsSame (S)) |
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150 | myGenerated.Append(aGenShape); |
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151 | } |
152 | |
153 | return myGenerated; |
154 | } |
155 | |
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156 | //======================================================================= |
157 | //function : IsDeleted |
158 | //purpose : |
159 | //======================================================================= |
160 | Standard_Boolean BRepOffsetAPI_MakeOffsetShape::IsDeleted (const TopoDS_Shape& S) |
161 | { |
162 | if (myLastUsedAlgo == OffsetAlgo_JOIN) |
163 | { |
164 | return myOffsetShape.IsDeleted(S); |
165 | } |
166 | return Standard_False; |
167 | } |
168 | |
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169 | //======================================================================= |
170 | //function : GetJoinType |
171 | //purpose : Query offset join type. |
172 | //======================================================================= |
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173 | GeomAbs_JoinType BRepOffsetAPI_MakeOffsetShape::GetJoinType() const |
174 | { |
175 | return myOffsetShape.GetJoinType(); |
176 | } |