// Created on: 1999-06-18
// Created by: Sergei ZERTCHANINOV
// Copyright (c) 1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _ShapeFix_FaceConnect_HeaderFile
#define _ShapeFix_FaceConnect_HeaderFile

#include "Standard.hxx"
#include "Standard_DefineAlloc.hxx"

#include "TopoDS_Shape.hxx"
#include "NCollection_List.hxx"
#include "TopTools_ShapeMapHasher.hxx"
#include "NCollection_DataMap.hxx"
class TopoDS_Face;
class TopoDS_Shell;

//! Rebuilds connectivity between faces in shell
class ShapeFix_FaceConnect
{
public:
  DEFINE_STANDARD_ALLOC

  Standard_EXPORT ShapeFix_FaceConnect();

  Standard_EXPORT bool Add(const TopoDS_Face& aFirst, const TopoDS_Face& aSecond);

  Standard_EXPORT TopoDS_Shell Build(const TopoDS_Shell& shell,
                                     const double        sewtoler,
                                     const double        fixtoler);

  //! Clears internal data structure
  Standard_EXPORT void Clear();

private:
  NCollection_DataMap<TopoDS_Shape, NCollection_List<TopoDS_Shape>, TopTools_ShapeMapHasher>
    myConnected;
  NCollection_DataMap<TopoDS_Shape, NCollection_List<TopoDS_Shape>, TopTools_ShapeMapHasher>
    myOriFreeEdges;
  NCollection_DataMap<TopoDS_Shape, NCollection_List<TopoDS_Shape>, TopTools_ShapeMapHasher>
    myResFreeEdges;
  NCollection_DataMap<TopoDS_Shape, NCollection_List<TopoDS_Shape>, TopTools_ShapeMapHasher>
    myResSharEdges;
};

#endif // _ShapeFix_FaceConnect_HeaderFile