1 // Created on: 1993-07-23
2 // Created by: Martine LANGLOIS
3 // Copyright (c) 1993-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
5 //
6 // This file is part of Open CASCADE Technology software library.
7 //
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
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.
13 //
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
16
17
18 #include <BRepClass3d.hxx>
19 #include <Message_ProgressScope.hxx>
20 #include <StdFail_NotDone.hxx>
21 #include <StepShape_ClosedShell.hxx>
22 #include <StepShape_FacetedBrep.hxx>
23 #include <StepShape_TopologicalRepresentationItem.hxx>
24 #include <TCollection_HAsciiString.hxx>
25 #include <TopoDS_Shell.hxx>
26 #include <TopoDS_Solid.hxx>
27 #include <TopoDSToStep.hxx>
28 #include <TopoDSToStep_Builder.hxx>
29 #include <TopoDSToStep_MakeFacetedBrep.hxx>
30 #include <TopoDSToStep_Tool.hxx>
31 #include <Transfer_FinderProcess.hxx>
32 #include <TransferBRep_ShapeMapper.hxx>
33
34 //=============================================================================
35 // Create a FacetedBrep of StepShape from a Shell of TopoDS
36 //=============================================================================
37 TopoDSToStep_MakeFacetedBrep::
TopoDSToStep_MakeFacetedBrep(const TopoDS_Shell & aShell,const Handle (Transfer_FinderProcess)& FP,const Message_ProgressRange & theProgress)38 TopoDSToStep_MakeFacetedBrep(const TopoDS_Shell& aShell,
39 const Handle(Transfer_FinderProcess)& FP,
40 const Message_ProgressRange& theProgress)
41 {
42 done = Standard_False;
43 if (aShell.Closed()) {
44 Handle(StepShape_TopologicalRepresentationItem) aItem;
45 MoniTool_DataMapOfShapeTransient aMap;
46
47 TopoDSToStep_Tool aTool(aMap, Standard_True);
48 TopoDSToStep_Builder StepB(aShell, aTool, FP, theProgress);
49 if (theProgress.UserBreak())
50 return;
51 TopoDSToStep::AddResult ( FP, aTool );
52
53 if (StepB.IsDone()) {
54 aItem = StepB.Value();
55 Handle(StepShape_ClosedShell) aCShell;
56 aCShell = Handle(StepShape_ClosedShell)::DownCast(aItem);
57 theFacetedBrep = new StepShape_FacetedBrep();
58 Handle(TCollection_HAsciiString) aName =
59 new TCollection_HAsciiString("");
60 theFacetedBrep->Init(aName, aCShell);
61 done = Standard_True;
62 }
63 else {
64 done = Standard_False;
65 Handle(TransferBRep_ShapeMapper) errShape =
66 new TransferBRep_ShapeMapper(aShell);
67 FP->AddWarning(errShape," Closed Shell not mapped to FacetedBrep");
68 }
69 }
70 else {
71 done = Standard_False;
72 Handle(TransferBRep_ShapeMapper) errShape =
73 new TransferBRep_ShapeMapper(aShell);
74 FP->AddWarning(errShape," Shell not closed; not mapped to FacetedBrep");
75 }
76 }
77
78 //=============================================================================
79 // Create a FacetedBrep of StepShape from a Solid of TopoDS containing
80 // only one closed shell
81 //=============================================================================
82
83 TopoDSToStep_MakeFacetedBrep::
TopoDSToStep_MakeFacetedBrep(const TopoDS_Solid & aSolid,const Handle (Transfer_FinderProcess)& FP,const Message_ProgressRange & theProgress)84 TopoDSToStep_MakeFacetedBrep(const TopoDS_Solid& aSolid,
85 const Handle(Transfer_FinderProcess)& FP,
86 const Message_ProgressRange& theProgress)
87 {
88 done = Standard_False;
89
90 // Looking for the Outer Shell
91 TopoDS_Shell aOuterShell = BRepClass3d::OuterShell(aSolid);
92
93 if (!aOuterShell.IsNull()) {
94 if (aOuterShell.Closed()) {
95 Handle(StepShape_TopologicalRepresentationItem) aItem;
96 MoniTool_DataMapOfShapeTransient aMap;
97
98 TopoDSToStep_Tool aTool(aMap, Standard_True);
99 TopoDSToStep_Builder StepB(aOuterShell, aTool, FP, theProgress);
100 if (theProgress.UserBreak())
101 return;
102 TopoDSToStep::AddResult ( FP, aTool );
103
104 if (StepB.IsDone()) {
105 aItem = StepB.Value();
106 Handle(StepShape_ClosedShell) aCShell;
107 aCShell = Handle(StepShape_ClosedShell)::DownCast(aItem);
108 theFacetedBrep = new StepShape_FacetedBrep();
109 Handle(TCollection_HAsciiString) aName =
110 new TCollection_HAsciiString("");
111 theFacetedBrep->Init(aName, aCShell);
112 done = Standard_True;
113 }
114 else {
115 done = Standard_False;
116 Handle(TransferBRep_ShapeMapper) errShape =
117 new TransferBRep_ShapeMapper(aOuterShell);
118 FP->AddWarning(errShape," Closed Outer Shell from Solid not mapped to FacetedBrep");
119 }
120 }
121 else {
122 done = Standard_False;
123 Handle(TransferBRep_ShapeMapper) errShape =
124 new TransferBRep_ShapeMapper(aOuterShell);
125 FP->AddWarning(errShape," Shell not closed; not mapped to FacetedBrep");
126 }
127 }
128 else {
129 done = Standard_False;
130 Handle(TransferBRep_ShapeMapper) errShape =
131 new TransferBRep_ShapeMapper(aOuterShell);
132 FP->AddWarning(errShape," Solid contains no Outer Shell to be mapped to FacetedBrep");
133 }
134 }
135
136 //=============================================================================
137 // renvoi des valeurs
138 //=============================================================================
139
Handle(StepShape_FacetedBrep)140 const Handle(StepShape_FacetedBrep) &
141 TopoDSToStep_MakeFacetedBrep::Value() const
142 {
143 StdFail_NotDone_Raise_if (!done, "TopoDSToStep_MakeFacetedBrep::Value() - no result");
144 return theFacetedBrep;
145 }
146