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1 | // Created on: 1994-11-25 |
2 | // Created by: Frederic MAUPAS |
3 | // Copyright (c) 1994-1999 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 | |
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18 | #include <Message_ProgressIndicator.hxx> |
19 | #include <StdFail_NotDone.hxx> |
20 | #include <StepShape_ClosedShell.hxx> |
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21 | #include <StepShape_ConnectedFaceSet.hxx> |
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22 | #include <StepShape_Face.hxx> |
23 | #include <StepShape_FaceSurface.hxx> |
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24 | #include <StepShape_HArray1OfFace.hxx> |
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25 | #include <StepShape_OpenShell.hxx> |
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26 | #include <StepShape_TopologicalRepresentationItem.hxx> |
27 | #include <TCollection_HAsciiString.hxx> |
28 | #include <TColStd_SequenceOfTransient.hxx> |
29 | #include <TopExp_Explorer.hxx> |
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30 | #include <TopoDS.hxx> |
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31 | #include <TopoDS_Face.hxx> |
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32 | #include <TopoDS_Shape.hxx> |
33 | #include <TopoDS_Shell.hxx> |
34 | #include <TopoDSToStep_Builder.hxx> |
35 | #include <TopoDSToStep_MakeStepFace.hxx> |
36 | #include <TopoDSToStep_Tool.hxx> |
37 | #include <Transfer_FinderProcess.hxx> |
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38 | #include <TransferBRep_ShapeMapper.hxx> |
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39 | |
40 | // ============================================================================ |
41 | // Method : TopoDSToStep_Builder::TopoDSToStep_Builder |
42 | // Purpose : |
43 | // ============================================================================ |
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44 | TopoDSToStep_Builder::TopoDSToStep_Builder() |
45 | { |
46 | done = Standard_False; |
47 | } |
48 | |
49 | // ============================================================================ |
50 | // Method : TopoDSToStep_Builder::TopoDSToStep_Builder |
51 | // Purpose : |
52 | // ============================================================================ |
53 | |
54 | TopoDSToStep_Builder::TopoDSToStep_Builder |
55 | (const TopoDS_Shape& aShape, |
56 | TopoDSToStep_Tool& aTool, const Handle(Transfer_FinderProcess)& FP) |
57 | { |
58 | done = Standard_False; |
59 | Init(aShape, aTool, FP); |
60 | } |
61 | |
62 | // ============================================================================ |
63 | // Method : TopoDSToStep_Builder::Init |
64 | // Purpose : |
65 | // ============================================================================ |
66 | |
67 | void TopoDSToStep_Builder::Init(const TopoDS_Shape& aShape, |
68 | TopoDSToStep_Tool& myTool, |
69 | const Handle(Transfer_FinderProcess)& FP) |
70 | { |
71 | |
72 | if (myTool.IsBound(aShape)) { |
73 | myError = TopoDSToStep_BuilderDone; |
74 | done = Standard_True; |
75 | myResult = myTool.Find(aShape); |
76 | return; |
77 | } |
78 | |
79 | Handle(Message_ProgressIndicator) progress = FP->GetProgress(); |
80 | |
81 | switch (aShape.ShapeType()) |
82 | { |
83 | case TopAbs_SHELL: |
84 | { |
85 | TopoDS_Shell myShell = TopoDS::Shell(aShape); |
86 | myTool.SetCurrentShell(myShell); |
87 | |
88 | Handle(StepShape_FaceSurface) FS; |
89 | Handle(StepShape_TopologicalRepresentationItem) Fpms; |
90 | TColStd_SequenceOfTransient mySeq; |
91 | |
92 | // const TopoDS_Shell ForwardShell = |
93 | // TopoDS::Shell(myShell.Oriented(TopAbs_FORWARD)); |
94 | |
95 | // TopExp_Explorer myExp(ForwardShell, TopAbs_FACE); |
96 | // CKY 9-DEC-1997 (PRO9824 et consorts) |
97 | // Pour passer les orientations : ELLES SONT DONNEES EN RELATIF |
98 | // Donc, pour SHELL, on doit l ecrire en direct en STEP (pas le choix) |
99 | // -> il faut repercuter en dessous, donc explorer le Shell TEL QUEL |
100 | // Pour FACE WIRE, d une part on ECRIT SON ORIENTATION relative au contenant |
101 | // (puisqu on peut), d autre part on EXPLORE EN FORWARD : ainsi les |
102 | // orientations des sous-shapes sont relatives a leur contenant immediat |
103 | // et la recombinaison en lecture est sans malice |
104 | // Il reste ici et la du code relatif a "en Faceted on combine differemment" |
105 | // -> reste encore du menage a faire |
106 | |
107 | |
108 | |
109 | TopExp_Explorer myExp(myShell, TopAbs_FACE); |
110 | |
111 | TopoDSToStep_MakeStepFace MkFace; |
112 | |
113 | for (;myExp.More();myExp.Next()) { |
114 | |
115 | const TopoDS_Face Face = TopoDS::Face(myExp.Current()); |
116 | |
117 | MkFace.Init(Face, myTool, FP); |
118 | |
119 | if (MkFace.IsDone()) { |
120 | FS = Handle(StepShape_FaceSurface)::DownCast(MkFace.Value()); |
121 | Fpms = FS; |
122 | mySeq.Append(Fpms); |
123 | } |
124 | else { |
125 | // MakeFace Error Handling : warning only |
126 | // cout << "Warning : one Face has not been mapped" << endl; |
127 | // Handle(TransferBRep_ShapeMapper) errShape = |
128 | // new TransferBRep_ShapeMapper(Face); |
129 | // FP->AddWarning(errShape, " a Face from a Shell has not been mapped"); |
130 | } |
131 | if (!progress.IsNull()) progress->Increment(); |
132 | } |
133 | |
134 | Standard_Integer nbFaces = mySeq.Length(); |
135 | if ( nbFaces >= 1) { |
136 | Handle(StepShape_HArray1OfFace) aSet = |
137 | new StepShape_HArray1OfFace(1,nbFaces); |
138 | for (Standard_Integer i=1; i<=nbFaces; i++ ) { |
139 | aSet->SetValue(i, Handle(StepShape_Face)::DownCast(mySeq.Value(i))); |
140 | } |
141 | Handle(StepShape_ConnectedFaceSet) CFSpms; |
142 | if (myShell.Closed()) |
143 | CFSpms = new StepShape_ClosedShell(); |
144 | else |
145 | CFSpms = new StepShape_OpenShell(); |
146 | Handle(TCollection_HAsciiString) aName = |
147 | new TCollection_HAsciiString(""); |
148 | CFSpms->Init(aName, aSet); |
149 | |
150 | // -------------------------------------------------------------- |
151 | // To add later : if not facetted context & shell is reversed |
152 | // then shall create an oriented_shell with |
153 | // orientation flag to false. |
154 | // -------------------------------------------------------------- |
155 | |
156 | myTool.Bind(aShape, CFSpms); |
157 | myResult = CFSpms; |
158 | done = Standard_True; |
159 | } |
160 | else { |
161 | // Builder Error handling; |
162 | myError = TopoDSToStep_NoFaceMapped; |
163 | done = Standard_False; |
164 | } |
165 | break; |
166 | } |
167 | |
168 | case TopAbs_FACE: |
169 | { |
170 | const TopoDS_Face Face = TopoDS::Face(aShape); |
171 | |
172 | Handle(StepShape_FaceSurface) FS; |
173 | Handle(StepShape_TopologicalRepresentationItem) Fpms; |
174 | |
175 | TopoDSToStep_MakeStepFace MkFace(Face, myTool, FP); |
176 | |
177 | if (MkFace.IsDone()) { |
178 | FS = Handle(StepShape_FaceSurface)::DownCast(MkFace.Value()); |
179 | Fpms = FS; |
180 | myResult = Fpms; |
181 | myError = TopoDSToStep_BuilderDone; |
182 | done = Standard_True; |
183 | } |
184 | else { |
185 | // MakeFace Error Handling : Face not Mapped |
186 | myError = TopoDSToStep_BuilderOther; |
187 | // Handle(TransferBRep_ShapeMapper) errShape = |
188 | // new TransferBRep_ShapeMapper(Face); |
189 | // FP->AddWarning(errShape, " the Face has not been mapped"); |
190 | done = Standard_False; |
191 | } |
192 | if (!progress.IsNull()) progress->Increment(); |
193 | break; |
194 | } |
195 | default: break; |
196 | } |
197 | } |
198 | |
199 | // ============================================================================ |
200 | // Method : TopoDSToStep_Builder::Value |
201 | // Purpose : |
202 | // ============================================================================ |
203 | |
204 | const Handle(StepShape_TopologicalRepresentationItem)& |
205 | TopoDSToStep_Builder::Value() const |
206 | { |
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207 | StdFail_NotDone_Raise_if (!done, "TopoDSToStep_Builder::Value() - no result"); |
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208 | return myResult; |
209 | } |
210 | |
211 | // ============================================================================ |
212 | // Method : TopoDSToStep_Builder::Error |
213 | // Purpose : |
214 | // ============================================================================ |
215 | |
216 | TopoDSToStep_BuilderError TopoDSToStep_Builder::Error() const |
217 | { |
218 | return myError; |
219 | } |
220 | |