// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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// This file was modified by Oracle on 2020.
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// Modifications copyright (c) 2020, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP
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#define BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP
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#include <type_traits>
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#include <boost/concept_check.hpp>
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#include <boost/core/ignore_unused.hpp>
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#include <boost/range/concepts.hpp>
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#include <boost/geometry/core/access.hpp>
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#include <boost/geometry/core/exterior_ring.hpp>
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#include <boost/geometry/core/interior_rings.hpp>
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#include <boost/geometry/core/point_type.hpp>
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#include <boost/geometry/core/ring_type.hpp>
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#include <boost/geometry/geometries/concepts/point_concept.hpp>
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#include <boost/geometry/geometries/concepts/ring_concept.hpp>
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namespace boost { namespace geometry { namespace concepts
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{
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/*!
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\brief Checks polygon concept
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\ingroup concepts
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*/
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template <typename PolygonType>
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class Polygon
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{
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#ifndef DOXYGEN_NO_CONCEPT_MEMBERS
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typedef typename std::remove_const<PolygonType>::type polygon_type;
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typedef typename traits::ring_const_type<polygon_type>::type ring_const_type;
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typedef typename traits::ring_mutable_type<polygon_type>::type ring_mutable_type;
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typedef typename traits::interior_const_type<polygon_type>::type interior_const_type;
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typedef typename traits::interior_mutable_type<polygon_type>::type interior_mutable_type;
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typedef typename point_type<PolygonType>::type point_type;
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typedef typename ring_type<PolygonType>::type ring_type;
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BOOST_CONCEPT_ASSERT( (concepts::Point<point_type>) );
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BOOST_CONCEPT_ASSERT( (concepts::Ring<ring_type>) );
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//BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<interior_type>) );
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struct checker
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{
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static inline void apply()
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{
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polygon_type* poly = 0;
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polygon_type const* cpoly = poly;
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ring_mutable_type e = traits::exterior_ring<PolygonType>::get(*poly);
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interior_mutable_type i = traits::interior_rings<PolygonType>::get(*poly);
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ring_const_type ce = traits::exterior_ring<PolygonType>::get(*cpoly);
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interior_const_type ci = traits::interior_rings<PolygonType>::get(*cpoly);
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boost::ignore_unused(poly, cpoly);
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boost::ignore_unused(e, i, ce, ci);
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}
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};
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public:
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BOOST_CONCEPT_USAGE(Polygon)
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{
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checker::apply();
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}
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#endif
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};
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/*!
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\brief Checks polygon concept (const version)
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\ingroup const_concepts
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*/
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template <typename PolygonType>
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class ConstPolygon
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{
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#ifndef DOXYGEN_NO_CONCEPT_MEMBERS
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typedef typename std::remove_const<PolygonType>::type const_polygon_type;
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typedef typename traits::ring_const_type<const_polygon_type>::type ring_const_type;
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typedef typename traits::interior_const_type<const_polygon_type>::type interior_const_type;
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typedef typename point_type<const_polygon_type>::type point_type;
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typedef typename ring_type<const_polygon_type>::type ring_type;
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BOOST_CONCEPT_ASSERT( (concepts::ConstPoint<point_type>) );
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BOOST_CONCEPT_ASSERT( (concepts::ConstRing<ring_type>) );
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////BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<interior_type>) );
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struct checker
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{
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static inline void apply()
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{
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const_polygon_type const* cpoly = 0;
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ring_const_type ce = traits::exterior_ring<const_polygon_type>::get(*cpoly);
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interior_const_type ci = traits::interior_rings<const_polygon_type>::get(*cpoly);
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boost::ignore_unused(ce, ci, cpoly);
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}
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};
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public:
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BOOST_CONCEPT_USAGE(ConstPolygon)
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{
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checker::apply();
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}
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#endif
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};
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}}} // namespace boost::geometry::concepts
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#endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP
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