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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
178 lines
5.5 KiB
C++
178 lines
5.5 KiB
C++
// Created on: 1996-03-07
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// Created by: Jean Yves LEBEY
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// Copyright (c) 1996-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <TopOpeBRepBuild_Builder.ixx>
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#include <TopExp.hxx>
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#include <TopoDS.hxx>
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#include <BRep_Tool.hxx>
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#include <TopOpeBRepTool_TOOL.hxx>
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#include <TopOpeBRepDS_EXPORT.hxx>
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#include <TopOpeBRepBuild_define.hxx>
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#ifdef DEB
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extern void debfillp(const Standard_Integer i);
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extern void debedbu(const Standard_Integer i) {cout<<"++ debedbu "<<i<<endl;}
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#endif
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#ifdef DRAW
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#include <TopOpeBRepTool_DRAW.hxx>
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#endif
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//=======================================================================
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//function : GPVSMakeEdges
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//purpose :
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//=======================================================================
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void TopOpeBRepBuild_Builder::GPVSMakeEdges
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(const TopoDS_Shape& EF,TopOpeBRepBuild_PaveSet& PVS,TopTools_ListOfShape& LOE) const
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{
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#ifdef DEB
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Standard_Integer iE; Standard_Boolean tSPS = GtraceSPS(EF,iE);
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if (tSPS) debfillp(iE);
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#endif
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TopOpeBRepBuild_PaveClassifier VCL(EF);
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Standard_Boolean equalpar = PVS.HasEqualParameters();
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if (equalpar) VCL.SetFirstParameter(PVS.EqualParameters());
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PVS.InitLoop();
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Standard_Boolean novertex = ( ! PVS.MoreLoop() );
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#ifdef DEB
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if(tSPS&&novertex)cout<<"#--- GPVSMakeEdges : no vertex from edge "<<iE<<endl;
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#endif
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if (novertex) return;
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TopOpeBRepBuild_EdgeBuilder EDBU;
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Standard_Boolean ForceClass = Standard_False;
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EDBU.InitEdgeBuilder(PVS,VCL,ForceClass);
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GEDBUMakeEdges(EF,EDBU,LOE);
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} // GPVSMakeEdges
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//=======================================================================
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//function : GEDBUMakeEdges
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//purpose :
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//=======================================================================
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void TopOpeBRepBuild_Builder::GEDBUMakeEdges
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(const TopoDS_Shape& EF,TopOpeBRepBuild_EdgeBuilder& EDBU,TopTools_ListOfShape& LOE) const
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{
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#ifdef DEB
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Standard_Integer iE; Standard_Boolean tSPS = GtraceSPS(EF,iE);
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if(tSPS){cout<<endl;GdumpSHA(EF, (char *) "#--- GEDBUMakeEdges ");cout<<endl;}
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if(tSPS){GdumpEDBU(EDBU);}
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if(tSPS){debedbu(iE);}
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#endif
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TopoDS_Shape newEdge;
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for (EDBU.InitEdge(); EDBU.MoreEdge(); EDBU.NextEdge()) {
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Standard_Integer nloop = 0;
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Standard_Boolean tosplit = Standard_False;
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for (EDBU.InitVertex(); EDBU.MoreVertex(); EDBU.NextVertex()) nloop++;
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// 0 ou 1 vertex sur edge courante => suppression edge
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if ( nloop <= 1 ) continue;
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myBuildTool.CopyEdge(EF,newEdge);
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Standard_Integer nVF = 0, nVR = 0; // nb vertex FORWARD,REVERSED
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TopoDS_Shape VF,VR; // gestion du bit Closed
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VF.Nullify();
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VR.Nullify();
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for (EDBU.InitVertex(); EDBU.MoreVertex(); EDBU.NextVertex()) {
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TopoDS_Shape V = EDBU.Vertex();
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TopAbs_Orientation Vori = V.Orientation();
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Standard_Boolean hassd = myDataStructure->HasSameDomain(V);
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if (hassd) { // on prend le vertex reference de V
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Standard_Integer iref = myDataStructure->SameDomainReference(V);
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V = myDataStructure->Shape(iref);
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V.Orientation(Vori);
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}
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TopAbs_Orientation oriV = V.Orientation();
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if ( oriV == TopAbs_EXTERNAL ) continue;
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Standard_Boolean equafound = Standard_False;
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TopExp_Explorer exE(newEdge,TopAbs_VERTEX);
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for (; exE.More(); exE.Next() ) {
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const TopoDS_Shape& VE = exE.Current();
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TopAbs_Orientation oriVE = VE.Orientation();
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if ( V.IsEqual(VE) ) {
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equafound = Standard_True;
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break;
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}
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else if (oriVE == TopAbs_FORWARD || oriVE == TopAbs_REVERSED) {
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if (oriV == oriVE) {
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equafound = Standard_True;
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break;
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}
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}
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else if (oriVE == TopAbs_INTERNAL || oriVE == TopAbs_EXTERNAL) {
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Standard_Real parV = EDBU.Parameter();
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Standard_Real parVE = BRep_Tool::Parameter(TopoDS::Vertex(VE),TopoDS::Edge(newEdge));
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if ( parV == parVE ) {
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equafound = Standard_True;
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break;
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}
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}
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}
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if ( !equafound ) {
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if (Vori == TopAbs_FORWARD) {
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nVF++;
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if (nVF == 1) VF = V;
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}
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if (Vori == TopAbs_REVERSED) {
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nVR++;
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if (nVR == 1) VR = V;
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}
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if (oriV == TopAbs_INTERNAL) tosplit = Standard_True;
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Standard_Real parV = EDBU.Parameter();
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myBuildTool.AddEdgeVertex(newEdge,V);
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myBuildTool.Parameter(newEdge,V,parV);
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} // !equafound
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} // EDBUloop.InitVertex : on vertices of new edge newEdge
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Standard_Boolean addedge = (nVF == 1 && nVR == 1);
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Standard_Boolean bitclosed = Standard_False;
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if (nVF == 1 && nVR == 1) {
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bitclosed = VF.IsSame(VR);
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newEdge.Closed(bitclosed);
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}
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if (addedge) {
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if (tosplit) {
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TopTools_ListOfShape loe; Standard_Boolean ok = TopOpeBRepTool_TOOL::SplitE(TopoDS::Edge(newEdge),loe);
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if (!ok) tosplit = Standard_False;
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else LOE.Append(loe);
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}
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if (!tosplit) LOE.Append(newEdge);
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}
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} // EDBU.InitEdge : loop on EDBU edges
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#ifdef DRAW
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if(tSPS) {
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TCollection_AsciiString str1; str1 = "e";
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TCollection_AsciiString str2; str2 = iE;
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FDRAW_DINLOE("",LOE,str1,str2);
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}
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#endif
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} // GEDBUMakeEdges
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