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1 | // Created on: 1994-11-25 |
2 | // Created by: Frederic MAUPAS |
3 | // Copyright (c) 1994-1999 Matra Datavision |
4 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
5 | // |
6 | // The content of this file is subject to the Open CASCADE Technology Public |
7 | // License Version 6.5 (the "License"). You may not use the content of this file |
8 | // except in compliance with the License. Please obtain a copy of the License |
9 | // at http://www.opencascade.org and read it completely before using this file. |
10 | // |
11 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
12 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
13 | // |
14 | // The Original Code and all software distributed under the License is |
15 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
16 | // Initial Developer hereby disclaims all such warranties, including without |
17 | // limitation, any warranties of merchantability, fitness for a particular |
18 | // purpose or non-infringement. Please see the License for the specific terms |
19 | // and conditions governing the rights and limitations under the License. |
20 | |
7fd59977 |
21 | |
22 | |
23 | #include <TopoDSToStep_Builder.ixx> |
24 | |
25 | #include <TopoDSToStep_Tool.hxx> |
26 | |
27 | #include <TopoDSToStep_MakeStepFace.hxx> |
28 | |
29 | #include <StepShape_ConnectedFaceSet.hxx> |
30 | #include <StepShape_HArray1OfFace.hxx> |
31 | #include <StepShape_ClosedShell.hxx> |
32 | #include <StepShape_OpenShell.hxx> |
33 | #include <StepShape_FaceSurface.hxx> |
34 | |
35 | #include <TopoDS.hxx> |
36 | #include <TopoDS_Shell.hxx> |
37 | #include <TopoDS_Face.hxx> |
38 | |
39 | #include <TopExp_Explorer.hxx> |
40 | |
41 | #include <TColStd_SequenceOfTransient.hxx> |
42 | #include <TransferBRep_ShapeMapper.hxx> |
43 | #include <TCollection_HAsciiString.hxx> |
44 | |
45 | #include <Message_ProgressIndicator.hxx> |
46 | |
47 | // ============================================================================ |
48 | // Method : TopoDSToStep_Builder::TopoDSToStep_Builder |
49 | // Purpose : |
50 | // ============================================================================ |
51 | |
52 | TopoDSToStep_Builder::TopoDSToStep_Builder() |
53 | { |
54 | done = Standard_False; |
55 | } |
56 | |
57 | // ============================================================================ |
58 | // Method : TopoDSToStep_Builder::TopoDSToStep_Builder |
59 | // Purpose : |
60 | // ============================================================================ |
61 | |
62 | TopoDSToStep_Builder::TopoDSToStep_Builder |
63 | (const TopoDS_Shape& aShape, |
64 | TopoDSToStep_Tool& aTool, const Handle(Transfer_FinderProcess)& FP) |
65 | { |
66 | done = Standard_False; |
67 | Init(aShape, aTool, FP); |
68 | } |
69 | |
70 | // ============================================================================ |
71 | // Method : TopoDSToStep_Builder::Init |
72 | // Purpose : |
73 | // ============================================================================ |
74 | |
75 | void TopoDSToStep_Builder::Init(const TopoDS_Shape& aShape, |
76 | TopoDSToStep_Tool& myTool, |
77 | const Handle(Transfer_FinderProcess)& FP) |
78 | { |
79 | |
80 | if (myTool.IsBound(aShape)) { |
81 | myError = TopoDSToStep_BuilderDone; |
82 | done = Standard_True; |
83 | myResult = myTool.Find(aShape); |
84 | return; |
85 | } |
86 | |
87 | Handle(Message_ProgressIndicator) progress = FP->GetProgress(); |
88 | |
89 | switch (aShape.ShapeType()) |
90 | { |
91 | case TopAbs_SHELL: |
92 | { |
93 | TopoDS_Shell myShell = TopoDS::Shell(aShape); |
94 | myTool.SetCurrentShell(myShell); |
95 | |
96 | Handle(StepShape_FaceSurface) FS; |
97 | Handle(StepShape_TopologicalRepresentationItem) Fpms; |
98 | TColStd_SequenceOfTransient mySeq; |
99 | |
100 | // const TopoDS_Shell ForwardShell = |
101 | // TopoDS::Shell(myShell.Oriented(TopAbs_FORWARD)); |
102 | |
103 | // TopExp_Explorer myExp(ForwardShell, TopAbs_FACE); |
104 | // CKY 9-DEC-1997 (PRO9824 et consorts) |
105 | // Pour passer les orientations : ELLES SONT DONNEES EN RELATIF |
106 | // Donc, pour SHELL, on doit l ecrire en direct en STEP (pas le choix) |
107 | // -> il faut repercuter en dessous, donc explorer le Shell TEL QUEL |
108 | // Pour FACE WIRE, d une part on ECRIT SON ORIENTATION relative au contenant |
109 | // (puisqu on peut), d autre part on EXPLORE EN FORWARD : ainsi les |
110 | // orientations des sous-shapes sont relatives a leur contenant immediat |
111 | // et la recombinaison en lecture est sans malice |
112 | // Il reste ici et la du code relatif a "en Faceted on combine differemment" |
113 | // -> reste encore du menage a faire |
114 | |
115 | |
116 | |
117 | TopExp_Explorer myExp(myShell, TopAbs_FACE); |
118 | |
119 | TopoDSToStep_MakeStepFace MkFace; |
120 | |
121 | for (;myExp.More();myExp.Next()) { |
122 | |
123 | const TopoDS_Face Face = TopoDS::Face(myExp.Current()); |
124 | |
125 | MkFace.Init(Face, myTool, FP); |
126 | |
127 | if (MkFace.IsDone()) { |
128 | FS = Handle(StepShape_FaceSurface)::DownCast(MkFace.Value()); |
129 | Fpms = FS; |
130 | mySeq.Append(Fpms); |
131 | } |
132 | else { |
133 | // MakeFace Error Handling : warning only |
134 | // cout << "Warning : one Face has not been mapped" << endl; |
135 | // Handle(TransferBRep_ShapeMapper) errShape = |
136 | // new TransferBRep_ShapeMapper(Face); |
137 | // FP->AddWarning(errShape, " a Face from a Shell has not been mapped"); |
138 | } |
139 | if (!progress.IsNull()) progress->Increment(); |
140 | } |
141 | |
142 | Standard_Integer nbFaces = mySeq.Length(); |
143 | if ( nbFaces >= 1) { |
144 | Handle(StepShape_HArray1OfFace) aSet = |
145 | new StepShape_HArray1OfFace(1,nbFaces); |
146 | for (Standard_Integer i=1; i<=nbFaces; i++ ) { |
147 | aSet->SetValue(i, Handle(StepShape_Face)::DownCast(mySeq.Value(i))); |
148 | } |
149 | Handle(StepShape_ConnectedFaceSet) CFSpms; |
150 | if (myShell.Closed()) |
151 | CFSpms = new StepShape_ClosedShell(); |
152 | else |
153 | CFSpms = new StepShape_OpenShell(); |
154 | Handle(TCollection_HAsciiString) aName = |
155 | new TCollection_HAsciiString(""); |
156 | CFSpms->Init(aName, aSet); |
157 | |
158 | // -------------------------------------------------------------- |
159 | // To add later : if not facetted context & shell is reversed |
160 | // then shall create an oriented_shell with |
161 | // orientation flag to false. |
162 | // -------------------------------------------------------------- |
163 | |
164 | myTool.Bind(aShape, CFSpms); |
165 | myResult = CFSpms; |
166 | done = Standard_True; |
167 | } |
168 | else { |
169 | // Builder Error handling; |
170 | myError = TopoDSToStep_NoFaceMapped; |
171 | done = Standard_False; |
172 | } |
173 | break; |
174 | } |
175 | |
176 | case TopAbs_FACE: |
177 | { |
178 | const TopoDS_Face Face = TopoDS::Face(aShape); |
179 | |
180 | Handle(StepShape_FaceSurface) FS; |
181 | Handle(StepShape_TopologicalRepresentationItem) Fpms; |
182 | |
183 | TopoDSToStep_MakeStepFace MkFace(Face, myTool, FP); |
184 | |
185 | if (MkFace.IsDone()) { |
186 | FS = Handle(StepShape_FaceSurface)::DownCast(MkFace.Value()); |
187 | Fpms = FS; |
188 | myResult = Fpms; |
189 | myError = TopoDSToStep_BuilderDone; |
190 | done = Standard_True; |
191 | } |
192 | else { |
193 | // MakeFace Error Handling : Face not Mapped |
194 | myError = TopoDSToStep_BuilderOther; |
195 | // Handle(TransferBRep_ShapeMapper) errShape = |
196 | // new TransferBRep_ShapeMapper(Face); |
197 | // FP->AddWarning(errShape, " the Face has not been mapped"); |
198 | done = Standard_False; |
199 | } |
200 | if (!progress.IsNull()) progress->Increment(); |
201 | break; |
202 | } |
203 | default: break; |
204 | } |
205 | } |
206 | |
207 | // ============================================================================ |
208 | // Method : TopoDSToStep_Builder::Value |
209 | // Purpose : |
210 | // ============================================================================ |
211 | |
212 | const Handle(StepShape_TopologicalRepresentationItem)& |
213 | TopoDSToStep_Builder::Value() const |
214 | { |
215 | StdFail_NotDone_Raise_if(!done,""); |
216 | return myResult; |
217 | } |
218 | |
219 | // ============================================================================ |
220 | // Method : TopoDSToStep_Builder::Error |
221 | // Purpose : |
222 | // ============================================================================ |
223 | |
224 | TopoDSToStep_BuilderError TopoDSToStep_Builder::Error() const |
225 | { |
226 | return myError; |
227 | } |
228 | |