OCCT

// Created on: 1997-04-17
// Created by: Christophe MARION
// Copyright (c) 1997-1999 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 _HLRBRep_Hider_HeaderFile
#define _HLRBRep_Hider_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>

#include <Standard_Integer.hxx>
#include <TopoDS_Shape.hxx>
#include <BRepTopAdaptor_Tool.hxx>
#include <TopTools_ShapeMapHasher.hxx>
#include <NCollection_DataMap.hxx>
class HLRBRep_Data;

class HLRBRep_Hider
{
public:
  DEFINE_STANDARD_ALLOC

  //! Creates a Hider processing the set of Edges and
  //! hiding faces described by <DS>. Stores the hidden
  //! parts in <DS>.
  Standard_EXPORT HLRBRep_Hider(const occ::handle<HLRBRep_Data>& DS);

  //! own hiding the side face number <FI>.
  Standard_EXPORT void OwnHiding(const int FI);

  //! Removes from the edges, the parts hidden by the
  //! hiding face number <FI>.
  Standard_EXPORT void Hide(
    const int                                                                        FI,
    NCollection_DataMap<TopoDS_Shape, BRepTopAdaptor_Tool, TopTools_ShapeMapHasher>& MST);

private:
  occ::handle<HLRBRep_Data> myDS;
};

#endif // _HLRBRep_Hider_HeaderFile