include/opencascade/TopOpeBRepBuild_Area2dBuilder.hxx

0001 // Created on: 1995-12-21
0002 // Created by: Jean Yves LEBEY
0003 // Copyright (c) 1995-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _TopOpeBRepBuild_Area2dBuilder_HeaderFile
0018 #define _TopOpeBRepBuild_Area2dBuilder_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <TopOpeBRepBuild_AreaBuilder.hxx>
0025 #include <Standard_Boolean.hxx>
0026 class TopOpeBRepBuild_LoopSet;
0027 class TopOpeBRepBuild_LoopClassifier;
0028
0029
0030
0031 //! The Area2dBuilder algorithm is used to construct Faces from a LoopSet,
0032 //! where the Loop is the composite topological object of the boundary,
0033 //! here wire or block of edges.
0034 //! The LoopSet gives an iteration on Loops.
0035 //! For each Loop  it indicates if it is on the boundary (wire) or if it
0036 //! results from  an interference (block of edges).
0037 //! The result of the Area2dBuilder is an iteration on areas.
0038 //! An area is described by a set of Loops.
0039 class TopOpeBRepBuild_Area2dBuilder  : public TopOpeBRepBuild_AreaBuilder
0040 {
0041 public:
0042
0043   DEFINE_STANDARD_ALLOC
0044
0045
0046   Standard_EXPORT TopOpeBRepBuild_Area2dBuilder();
0047
0048   //! Creates a Area2dBuilder to build faces on
0049   //! the (wires,blocks of edge) of <LS>, using the classifier <LC>.
0050   Standard_EXPORT TopOpeBRepBuild_Area2dBuilder(TopOpeBRepBuild_LoopSet& LS, TopOpeBRepBuild_LoopClassifier& LC, const Standard_Boolean ForceClass = Standard_False);
0051
0052   //! Sets a Area1dBuilder to find the areas of
0053   //! the shapes described by <LS> using the classifier <LC>.
0054   Standard_EXPORT virtual void InitAreaBuilder (TopOpeBRepBuild_LoopSet& LS, TopOpeBRepBuild_LoopClassifier& LC, const Standard_Boolean ForceClass = Standard_False) Standard_OVERRIDE;
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0065 private:
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0071 };
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0079 #endif // _TopOpeBRepBuild_Area2dBuilder_HeaderFile