// Copyright (c) 2006,2007,2008,2009,2010,2011 Tel-Aviv University (Israel).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v5.6/Arrangement_on_surface_2/include/CGAL/Surface_sweep_2/Arr_default_overlay_traits_base.h $
// $Id: Arr_default_overlay_traits_base.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s)     : Ron Wein <baruchzu@post.tau.ac.il>
//                 Baruch Zukerman <baruchzu@post.tau.ac.il>

/*! \file
 *
 * Definition of the internal _Arr_default_overlay_traits_base class template.
 */

#ifndef CGAL_ARR_DEFAULT_OVERLAY_TRAITS_BASE_H
#define CGAL_ARR_DEFAULT_OVERLAY_TRAITS_BASE_H

#include <CGAL/license/Arrangement_on_surface_2.h>

namespace CGAL {

/*! \class
 *
 * An overlay-traits class for computing the overlay of two arrangement that
 * are templated with the default DCEL classes, namely they store no extra
 * data with their DCEL features. The resulting arrangement is also assumed
 * to be templated with the default DCEL.
 */
template <class ArrangementA, class ArrangementB, class ArrangementR>
class _Arr_default_overlay_traits_base
{
public:

  typedef typename ArrangementA::Vertex_const_handle    Vertex_handle_A;
  typedef typename ArrangementA::Halfedge_const_handle  Halfedge_handle_A;
  typedef typename ArrangementA::Face_const_handle      Face_handle_A;

  typedef typename ArrangementB::Vertex_const_handle    Vertex_handle_B;
  typedef typename ArrangementB::Halfedge_const_handle  Halfedge_handle_B;
  typedef typename ArrangementB::Face_const_handle      Face_handle_B;

  typedef typename ArrangementR::Vertex_handle          Vertex_handle_R;
  typedef typename ArrangementR::Halfedge_handle        Halfedge_handle_R;
  typedef typename ArrangementR::Face_handle            Face_handle_R;

  /*! Destructor. */
  virtual ~_Arr_default_overlay_traits_base ()
  {}

  /*!
   * Create a vertex v that corresponds to the coinciding vertices v1 and v2.
   */
  virtual void create_vertex (Vertex_handle_A /* v1 */,
                              Vertex_handle_B /* v2 */,
                              Vertex_handle_R /* v */) const
  {}

  /*!
   * Create a vertex v that matches v1, which lies of the edge e2.
   */
  virtual void create_vertex (Vertex_handle_A /* v1 */,
                              Halfedge_handle_B /* e2 */,
                              Vertex_handle_R /* v */) const
  {}

  /*!
   * Create a vertex v that matches v1, contained in the face f2.
   */
  virtual void create_vertex (Vertex_handle_A /* v1 */,
                              Face_handle_B /* f2 */,
                              Vertex_handle_R /* v */) const
  {}

  /*!
   * Create a vertex v that matches v2, which lies of the edge e1.
   */
  virtual void create_vertex (Halfedge_handle_A /* e1 */,
                              Vertex_handle_B /* v2 */,
                              Vertex_handle_R /* v */) const
  {}

  /*!
   * Create a vertex v that matches v2, contained in the face f1.
   */
  virtual void create_vertex (Face_handle_A /* f1 */,
                              Vertex_handle_B /* v2 */,
                              Vertex_handle_R /* v */) const
  {}

  /*!
   * Create a vertex v that matches the intersection of the edges e1 and e2.
   */
  virtual void create_vertex (Halfedge_handle_A /* e1 */,
                              Halfedge_handle_B /* e2 */,
                              Vertex_handle_R /* v */) const
  {}

  /*!
   * Create an edge e that matches the overlap between e1 and e2.
   */
  virtual void create_edge (Halfedge_handle_A /* e1 */,
                            Halfedge_handle_B /* e2 */,
                            Halfedge_handle_R /* e */) const
  {}

  /*!
   * Create an edge e that matches the edge e1, contained in the face f2.
   */
  virtual void create_edge (Halfedge_handle_A /* e1 */,
                            Face_handle_B /* f2 */,
                            Halfedge_handle_R /* e */) const
  {}

  /*!
   * Create an edge e that matches the edge e2, contained in the face f1.
   */
  virtual void create_edge (Face_handle_A /* f1 */,
                            Halfedge_handle_B /* e2 */,
                            Halfedge_handle_R /* e */) const
  {}

  /*!
   * Create a face f that matches the overlapping region between f1 and f2.
   */
  virtual void create_face (Face_handle_A /* f1 */,
                            Face_handle_B /* f2 */,
                            Face_handle_R /* f */) const
  {}

};

} //namespace CGAL

#endif
