cgal/Stream_support/include/CGAL/IO/WKT/traits_polygon.h

103 lines
2.4 KiB
C++

// Copyright (c) 2018 GeometryFactory Sarl (France).
// All rights reserved.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is part of CGAL (www.cgal.org)
//
// $URL$
// $Id$
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s) : Maxime Gimeno
#ifndef CGAL_IO_WKT_TRAITS_POLYGON_H
#define CGAL_IO_WKT_TRAITS_POLYGON_H
#include <CGAL/Polygon_2.h>
#include <CGAL/Polygon_with_holes_2.h>
#include <CGAL/Point_2.h>
#include <boost/geometry/io/wkt/write.hpp>
#include <boost/geometry/io/wkt/read.hpp>
namespace boost {
namespace geometry {
namespace traits {
// WKT traits for Polygon
template< typename K >
struct tag<CGAL::Polygon_2<K> >
{
typedef ring_tag type;
};
template< typename K >
struct tag<CGAL::Polygon_with_holes_2<K> >
{
typedef polygon_tag type;
};
template< typename K >
struct ring_const_type<CGAL::Polygon_with_holes_2<K> >
{
typedef const CGAL::Polygon_2<K>& type;
};
template< typename K >
struct ring_mutable_type<CGAL::Polygon_with_holes_2<K> >
{
typedef CGAL::Polygon_2<K>& type;
};
template< typename K >
struct interior_const_type<CGAL::Polygon_with_holes_2<K> >
{
typedef const typename CGAL::Polygon_with_holes_2<K>::Holes_container& type;
};
template< typename K >
struct interior_mutable_type<CGAL::Polygon_with_holes_2<K> >
{ typedef typename CGAL::Polygon_with_holes_2<K>::Holes_container& type; };
template< typename K >
struct exterior_ring<CGAL::Polygon_with_holes_2<K> >
{
static CGAL::Polygon_2<K>& get(CGAL::Polygon_with_holes_2<K>& p)
{
return (p.outer_boundary());
}
static const CGAL::Polygon_2<K>& get(const CGAL::Polygon_with_holes_2<K>& p)
{
return (p.outer_boundary());
}
};
template< typename K >
struct interior_rings<CGAL::Polygon_with_holes_2<K> >
{
static typename CGAL::Polygon_with_holes_2<K>::Holes_container& get(CGAL::Polygon_with_holes_2<K>& p)
{
return p.holes();
}
static const typename CGAL::Polygon_with_holes_2<K>::Holes_container& get(CGAL::Polygon_with_holes_2<K> const& p)
{
return p.holes();
}
};
} // namespace traits
} // namespace geometry
//extra specialization
template< typename K >
struct range_value<CGAL::Polygon_2<K> >
{
typedef typename CGAL::Polygon_2<K>::Point_2 type;
};
} // namespace boost
#endif // CGAL_IO_WKT_TRAITS_POLYGON_H