include/opencascade/BRepGProp_Domain.hxx

0001 // Created on: 1992-11-27
0002 // Created by: Isabelle GRIGNON
0003 // Copyright (c) 1992-1999 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 _BRepGProp_Domain_HeaderFile
0018 #define _BRepGProp_Domain_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <TopExp_Explorer.hxx>
0025 #include <Standard_Boolean.hxx>
0026 class TopoDS_Face;
0027 class TopoDS_Edge;
0028
0029 //! Arc iterator. Returns only Forward and Reversed edges from
0030 //! the face in an undigested order.
0031 class BRepGProp_Domain
0032 {
0033 public:
0034   DEFINE_STANDARD_ALLOC
0035
0036   //! Empty constructor.
0037   BRepGProp_Domain();
0038
0039   //! Constructor. Initializes the domain with the face.
0040   BRepGProp_Domain(const TopoDS_Face& F);
0041
0042   //! Initializes the domain with the face.
0043   void Init(const TopoDS_Face& F);
0044
0045   //! Returns True if there is another arc of curve in the list.
0046   bool More();
0047
0048   //! Initializes the exploration with the face already set.
0049   void Init();
0050
0051   //! Returns the current edge.
0052   const TopoDS_Edge& Value();
0053
0054   //! Sets the index of the arc iterator to the next arc of
0055   //! curve.
0056   Standard_EXPORT void Next();
0057
0058 private:
0059   TopExp_Explorer myExplorer;
0060 };
0061
0062 #include <BRepGProp_Domain.lxx>
0063
0064 #endif // _BRepGProp_Domain_HeaderFile