// Copyright (c) 1997, 2012  INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1/Alpha_shapes_2/include/CGAL/Alpha_shape_vertex_base_2.h $
// $Id: include/CGAL/Alpha_shape_vertex_base_2.h b26b07a1242 $
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s)     : Tran Kai Frank DA <Frank.Da@sophia.inria.fr>

#ifndef CGAL_ALPHA_SHAPE_VERTEX_BASE_2_H
#define CGAL_ALPHA_SHAPE_VERTEX_BASE_2_H

#include <CGAL/license/Alpha_shapes_2.h>


#include <utility>
#include <CGAL/Triangulation_vertex_base_2.h>
#include <CGAL/Alpha_shapes_2/internal/Lazy_alpha_nt_2.h>
#include <CGAL/Default.h>

//-------------------------------------------------------------------
namespace CGAL {
//-------------------------------------------------------------------

template <class Gt,
          class Vb_ = Default,
          class ExactAlphaComparisonTag = Tag_false,
          class Weighted_tag = Tag_false>
class Alpha_shape_vertex_base_2
  : public Default::Get<Vb_, Triangulation_vertex_base_2<Gt> >::type
{
  typedef typename Default::Get<Vb_, Triangulation_vertex_base_2<Gt> >::type Vb;

public:
  typedef typename Vb::Vertex_handle                            Vertex_handle;
  typedef typename Vb::Face_handle                              Face_handle;
  typedef typename Vb::Point                                    Point;

  template < typename TDS2 >
  struct Rebind_TDS {
    typedef typename Vb::template Rebind_TDS<TDS2>::Other       Vb2;
    typedef Alpha_shape_vertex_base_2<
      Gt, Vb2, ExactAlphaComparisonTag, Weighted_tag>           Other;
  };

  typedef typename internal::Alpha_nt_selector_2<
    Gt, ExactAlphaComparisonTag, Weighted_tag>::Type_of_alpha   Type_of_alpha;
  typedef Type_of_alpha                                         NT;

  typedef std::pair< Type_of_alpha, Type_of_alpha >             Interval2;

private:
  Interval2 I;

public:
  Alpha_shape_vertex_base_2()
    : Vb()
  {}

  Alpha_shape_vertex_base_2(const Point & p)
    : Vb(p)
  {}

  Alpha_shape_vertex_base_2(const Point & p, Face_handle f)
    : Vb(p, f)
  {}

public:
  inline Interval2 get_range() { return I; }
  inline void set_range(Interval2 Inter) { I = Inter; }

};

//-------------------------------------------------------------------
} //namespace CGAL
//-------------------------------------------------------------------

#endif //ALPHA_SHAPE_VERTEX_BASE_2_H

