include/opencascade/BRepFill_OffsetAncestors.hxx

0001 // Created on: 1995-09-01
0002 // Created by: Bruno DUMORTIER
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 _BRepFill_OffsetAncestors_HeaderFile
0018 #define _BRepFill_OffsetAncestors_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Standard_Boolean.hxx>
0025 #include <TopoDS_Shape.hxx>
0026 #include <TopTools_ShapeMapHasher.hxx>
0027 #include <NCollection_DataMap.hxx>
0028 class BRepFill_OffsetWire;
0029 class TopoDS_Edge;
0030 class TopoDS_Shape;
0031
0032 //! this class is used to find the generating shapes
0033 //! of an OffsetWire.
0034 class BRepFill_OffsetAncestors
0035 {
0036 public:
0037   DEFINE_STANDARD_ALLOC
0038
0039   Standard_EXPORT BRepFill_OffsetAncestors();
0040
0041   Standard_EXPORT BRepFill_OffsetAncestors(BRepFill_OffsetWire& Paral);
0042
0043   Standard_EXPORT void Perform(BRepFill_OffsetWire& Paral);
0044
0045   Standard_EXPORT bool IsDone() const;
0046
0047   Standard_EXPORT bool HasAncestor(const TopoDS_Edge& S1) const;
0048
0049   //! may return a Null Shape if S1 is not a subShape
0050   //! of <Paral>;
0051   //! if Perform is not done.
0052   Standard_EXPORT const TopoDS_Shape& Ancestor(const TopoDS_Edge& S1) const;
0053
0054 private:
0055   bool                                                                     myIsPerform;
0056   NCollection_DataMap<TopoDS_Shape, TopoDS_Shape, TopTools_ShapeMapHasher> myMap;
0057 };
0058
0059 #endif // _BRepFill_OffsetAncestors_HeaderFile