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135 lines
4.4 KiB
135 lines
4.4 KiB
// Boost.Geometry (aka GGL, Generic Geometry Library) |
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// Copyright (c) 2008-2011 Bruno Lalande, Paris, France. |
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// Copyright (c) 2008-2011 Barend Gehrels, Amsterdam, the Netherlands. |
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// Copyright (c) 2009-2011 Mateusz Loskot, London, UK. |
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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 <boost/concept_check.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 concept |
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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 boost::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( (concept::Point<point_type>) ); |
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BOOST_CONCEPT_ASSERT( (concept::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_variable_warning(e); |
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boost::ignore_unused_variable_warning(i); |
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boost::ignore_unused_variable_warning(ce); |
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boost::ignore_unused_variable_warning(ci); |
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boost::ignore_unused_variable_warning(poly); |
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boost::ignore_unused_variable_warning(cpoly); |
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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 boost::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( (concept::ConstPoint<point_type>) ); |
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BOOST_CONCEPT_ASSERT( (concept::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_variable_warning(ce); |
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boost::ignore_unused_variable_warning(ci); |
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boost::ignore_unused_variable_warning(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::concept |
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#endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP
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