dust3d/thirdparty/cgal/CGAL-4.13/include/CGAL/Polygon_convex_decompositio...

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// Copyright (c) 2006 Tel-Aviv University (Israel).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
// You can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// 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.
//
// $URL$
// $Id$
// SPDX-License-Identifier: GPL-3.0+
//
// Author(s) : Ron Wein <wein_r@yahoo.com>
#ifndef CGAL_POLYGON_CONVEX_DECOMPOSITION_H
#define CGAL_POLYGON_CONVEX_DECOMPOSITION_H
#include <CGAL/license/Minkowski_sum_2.h>
#include <CGAL/Minkowski_sum_2/Decomposition_strategy_adapter.h>
#include <vector>
namespace CGAL {
/*!
* \class
* The O(n^4) optimal strategy for decomposing a polygon into convex
* sub-polygons.
*/
template <typename Kernel_,
typename Container_ = std::vector<typename Kernel_::Point_2> >
class Optimal_convex_decomposition_2 :
public Polygon_decomposition_strategy_adapter<Kernel_, Container_,
Tag_optimal_convex_parition>
{
public:
typedef Kernel_ Kernel;
typedef CGAL::Polygon_2<Kernel, Container_> Polygon_2;
typedef typename Kernel::Point_2 Point_2;
};
/*!
* \class
* Hertel and Mehlhorn's O(n) approximation strategy for decomposing a
* polygon into convex sub-polygons.
*/
template <typename Kernel_,
typename Container_ = std::vector<typename Kernel_::Point_2> >
class Hertel_Mehlhorn_convex_decomposition_2 :
public Polygon_decomposition_strategy_adapter<Kernel_, Container_,
Tag_approx_convex_parition>
{
public:
typedef Kernel_ Kernel;
typedef CGAL::Polygon_2<Kernel, Container_> Polygon_2;
typedef typename Kernel::Point_2 Point_2;
};
/*!
* \class
* Greene's O(n log(n)) approximation strategy for decomposing a polygon into
* convex sub-polygons.
*/
template <typename Kernel_,
typename Container_ = std::vector<typename Kernel_::Point_2> >
class Greene_convex_decomposition_2 :
public Polygon_decomposition_strategy_adapter<Kernel_, Container_,
Tag_Greene_convex_parition>
{
public:
typedef Kernel_ Kernel;
typedef CGAL::Polygon_2<Kernel, Container_> Polygon_2;
typedef typename Kernel::Point_2 Point_2;
};
} //namespace CGAL
#endif