SPAR/AIModule/BWTA/vendors/CGAL/CGAL/Arr_spherical_gaussian_map_3/Arr_polyhedral_sgm_arr_dcel.h

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// Copyright (c) 2006  Tel-Aviv University (Israel).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.5-branch/Arrangement_on_surface_2/include/CGAL/Arr_spherical_gaussian_map_3/Arr_polyhedral_sgm_arr_dcel.h $
// $Id: Arr_polyhedral_sgm_arr_dcel.h 50602 2009-07-14 14:39:28Z naamamay $
// 
//
// Author(s)     : Efi Fogel          <efif@post.tau.ac.il>

#ifndef CGAL_ARR_POLYHEDRAL_SGM_ARR_DCEL_H
#define CGAL_ARR_POLYHEDRAL_SGM_ARR_DCEL_H

#include <CGAL/basic.h>

CGAL_BEGIN_NAMESPACE

template <class Point_2>
class Arr_polyhedral_sgm_arr_vertex : public CGAL::Arr_vertex_base<Point_2> {
public:
  Arr_polyhedral_sgm_arr_vertex() {}
};

template <class X_monotone_curve_2>
class Arr_polyhedral_sgm_arr_halfedge :
  public CGAL::Arr_halfedge_base<X_monotone_curve_2>
{
private:
  unsigned int m_arr_mask;
  
public:
  Arr_polyhedral_sgm_arr_halfedge() : m_arr_mask(0x0) {}

  void add_arr(unsigned int id) { m_arr_mask |= 0x1 << id; }

  bool is_arr(unsigned int id) const { return m_arr_mask & (0x1 << id); }

  unsigned int arr_mask() const { return m_arr_mask; }

  void set_arr(unsigned int id) { m_arr_mask  = id; }
};

template <class Point_3>
class Arr_polyhedral_sgm_arr_face : public CGAL::Arr_face_base {
private:
  Point_3 m_point;

  bool m_is_set;

public:
  Arr_polyhedral_sgm_arr_face() : m_is_set(false) { }
    
  void set_point(const Point_3 & point)
  {
    m_point = point;
    m_is_set = true;
  }

  const Point_3 & point() const { return m_point; }

  bool is_set() const { return m_is_set; }

  void set_is_set(bool flag) { m_is_set = flag; }
};

template <class Traits>
class Arr_polyhedral_sgm_arr_dcel :
  public CGAL::Arr_dcel_base<Arr_polyhedral_sgm_arr_vertex<typename Traits::Point_2>,
                             Arr_polyhedral_sgm_arr_halfedge<typename Traits::X_monotone_curve_2>,
                             Arr_polyhedral_sgm_arr_face<typename Traits::Point_3> >
{
public:
  Arr_polyhedral_sgm_arr_dcel() {}
};

CGAL_END_NAMESPACE

#endif