Chris@16: // Boost.Geometry (aka GGL, Generic Geometry Library)
Chris@16: 
Chris@16: // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
Chris@16: // Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands.
Chris@16: // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
Chris@16: 
Chris@16: // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
Chris@16: // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
Chris@16: 
Chris@16: // Use, modification and distribution is subject to the Boost Software License,
Chris@16: // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP
Chris@16: #define BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP
Chris@16: 
Chris@16: #include <boost/concept_check.hpp>
Chris@16: #include <boost/range/concepts.hpp>
Chris@16: 
Chris@16: #include <boost/geometry/core/access.hpp>
Chris@16: #include <boost/geometry/core/exterior_ring.hpp>
Chris@16: #include <boost/geometry/core/interior_rings.hpp>
Chris@16: #include <boost/geometry/core/point_type.hpp>
Chris@16: #include <boost/geometry/core/ring_type.hpp>
Chris@16: 
Chris@16: #include <boost/geometry/geometries/concepts/point_concept.hpp>
Chris@16: #include <boost/geometry/geometries/concepts/ring_concept.hpp>
Chris@16: 
Chris@16: 
Chris@16: namespace boost { namespace geometry { namespace concept
Chris@16: {
Chris@16: 
Chris@16: /*!
Chris@16: \brief Checks polygon concept
Chris@16: \ingroup concepts
Chris@16: */
Chris@16: template <typename PolygonType>
Chris@16: class Polygon
Chris@16: {
Chris@16: #ifndef DOXYGEN_NO_CONCEPT_MEMBERS
Chris@16:     typedef typename boost::remove_const<PolygonType>::type polygon_type;
Chris@16: 
Chris@16:     typedef typename traits::ring_const_type<polygon_type>::type ring_const_type;
Chris@16:     typedef typename traits::ring_mutable_type<polygon_type>::type ring_mutable_type;
Chris@16:     typedef typename traits::interior_const_type<polygon_type>::type interior_const_type;
Chris@16:     typedef typename traits::interior_mutable_type<polygon_type>::type interior_mutable_type;
Chris@16: 
Chris@16:     typedef typename point_type<PolygonType>::type point_type;
Chris@16:     typedef typename ring_type<PolygonType>::type ring_type;
Chris@16: 
Chris@16:     BOOST_CONCEPT_ASSERT( (concept::Point<point_type>) );
Chris@16:     BOOST_CONCEPT_ASSERT( (concept::Ring<ring_type>) );
Chris@16: 
Chris@16:     //BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<interior_type>) );
Chris@16: 
Chris@16:     struct checker
Chris@16:     {
Chris@16:         static inline void apply()
Chris@16:         {
Chris@16:             polygon_type* poly = 0;
Chris@16:             polygon_type const* cpoly = poly;
Chris@16: 
Chris@16:             ring_mutable_type e = traits::exterior_ring<PolygonType>::get(*poly);
Chris@16:             interior_mutable_type i = traits::interior_rings<PolygonType>::get(*poly);
Chris@16:             ring_const_type ce = traits::exterior_ring<PolygonType>::get(*cpoly);
Chris@16:             interior_const_type ci = traits::interior_rings<PolygonType>::get(*cpoly);
Chris@16: 
Chris@16:             boost::ignore_unused_variable_warning(e);
Chris@16:             boost::ignore_unused_variable_warning(i);
Chris@16:             boost::ignore_unused_variable_warning(ce);
Chris@16:             boost::ignore_unused_variable_warning(ci);
Chris@16:             boost::ignore_unused_variable_warning(poly);
Chris@16:             boost::ignore_unused_variable_warning(cpoly);
Chris@16:         }
Chris@16:     };
Chris@16: 
Chris@16: public:
Chris@16: 
Chris@16:     BOOST_CONCEPT_USAGE(Polygon)
Chris@16:     {
Chris@16:         checker::apply();
Chris@16:     }
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: /*!
Chris@16: \brief Checks polygon concept (const version)
Chris@16: \ingroup const_concepts
Chris@16: */
Chris@16: template <typename PolygonType>
Chris@16: class ConstPolygon
Chris@16: {
Chris@16: #ifndef DOXYGEN_NO_CONCEPT_MEMBERS
Chris@16: 
Chris@16:     typedef typename boost::remove_const<PolygonType>::type const_polygon_type;
Chris@16: 
Chris@16:     typedef typename traits::ring_const_type<const_polygon_type>::type ring_const_type;
Chris@16:     typedef typename traits::interior_const_type<const_polygon_type>::type interior_const_type;
Chris@16: 
Chris@16:     typedef typename point_type<const_polygon_type>::type point_type;
Chris@16:     typedef typename ring_type<const_polygon_type>::type ring_type;
Chris@16: 
Chris@16:     BOOST_CONCEPT_ASSERT( (concept::ConstPoint<point_type>) );
Chris@16:     BOOST_CONCEPT_ASSERT( (concept::ConstRing<ring_type>) );
Chris@16: 
Chris@16:     ////BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<interior_type>) );
Chris@16: 
Chris@16:     struct checker
Chris@16:     {
Chris@16:         static inline void apply()
Chris@16:         {
Chris@16:             const_polygon_type const* cpoly = 0;
Chris@16: 
Chris@16:             ring_const_type ce = traits::exterior_ring<const_polygon_type>::get(*cpoly);
Chris@16:             interior_const_type ci = traits::interior_rings<const_polygon_type>::get(*cpoly);
Chris@16: 
Chris@16:             boost::ignore_unused_variable_warning(ce);
Chris@16:             boost::ignore_unused_variable_warning(ci);
Chris@16:             boost::ignore_unused_variable_warning(cpoly);
Chris@16:         }
Chris@16:     };
Chris@16: 
Chris@16: public:
Chris@16: 
Chris@16:     BOOST_CONCEPT_USAGE(ConstPolygon)
Chris@16:     {
Chris@16:         checker::apply();
Chris@16:     }
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: }}} // namespace boost::geometry::concept
Chris@16: 
Chris@16: #endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP