// Created on: 1993-06-15
// Created by: Jean Yves LEBEY
// Copyright (c) 1993-1999 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 _TopOpeBRepBuild_PaveSet_HeaderFile
#define _TopOpeBRepBuild_PaveSet_HeaderFile

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

#include <TopoDS_Edge.hxx>
#include <TopOpeBRepBuild_ListOfPave.hxx>
#include <TopOpeBRepBuild_ListIteratorOfListOfPave.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Real.hxx>
#include <TopOpeBRepBuild_LoopSet.hxx>
class TopoDS_Shape;
class TopOpeBRepBuild_Pave;
class TopOpeBRepBuild_Loop;
class TopoDS_Edge;



//! class providing an exploration of a set of vertices to build edges.
//! It is similar to LoopSet from TopOpeBRepBuild where Loop is Pave.
class TopOpeBRepBuild_PaveSet  : public TopOpeBRepBuild_LoopSet
{
public:

  DEFINE_STANDARD_ALLOC

  
  //! Create a Pave set on edge <E>. It contains <E> vertices.
  Standard_EXPORT TopOpeBRepBuild_PaveSet(const TopoDS_Shape& E);
  
  Standard_EXPORT void RemovePV (const Standard_Boolean B);
  
  //! Add <PV> in the Pave set.
  Standard_EXPORT void Append (const Handle(TopOpeBRepBuild_Pave)& PV);
  
  Standard_EXPORT virtual void InitLoop() Standard_OVERRIDE;
  
  Standard_EXPORT virtual Standard_Boolean MoreLoop() const Standard_OVERRIDE;
  
  Standard_EXPORT virtual void NextLoop() Standard_OVERRIDE;
  
  Standard_EXPORT virtual Handle(TopOpeBRepBuild_Loop) Loop() const Standard_OVERRIDE;
  
  Standard_EXPORT const TopoDS_Edge& Edge() const;
  
  Standard_EXPORT Standard_Boolean HasEqualParameters();
  
  Standard_EXPORT Standard_Real EqualParameters() const;
  
  Standard_EXPORT Standard_Boolean ClosedVertices();
  
  Standard_EXPORT static void SortPave (const TopOpeBRepBuild_ListOfPave& Lin, TopOpeBRepBuild_ListOfPave& Lout);




protected:





private:

  
  Standard_EXPORT void Prepare();


  TopoDS_Edge myEdge;
  TopOpeBRepBuild_ListOfPave myVertices;
  TopOpeBRepBuild_ListIteratorOfListOfPave myVerticesIt;
  Standard_Boolean myHasEqualParameters;
  Standard_Real myEqualParameters;
  Standard_Boolean myClosed;
  Standard_Boolean myPrepareDone;
  Standard_Boolean myRemovePV;


};







#endif // _TopOpeBRepBuild_PaveSet_HeaderFile