| // Boost.Geometry (aka GGL, Generic Geometry Library) |
| |
| // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. |
| // Copyright (c) 2008-2012 Bruno Lalande, Paris, France. |
| // Copyright (c) 2009-2012 Mateusz Loskot, London, UK. |
| |
| // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library |
| // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. |
| |
| // Use, modification and distribution is subject to the Boost Software License, |
| // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| |
| |
| #ifndef BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_MULTI_POLYGON_CONCEPT_HPP |
| #define BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_MULTI_POLYGON_CONCEPT_HPP |
| |
| |
| #include <boost/concept_check.hpp> |
| #include <boost/range/concepts.hpp> |
| #include <boost/range/metafunctions.hpp> |
| |
| #include <boost/geometry/geometries/concepts/polygon_concept.hpp> |
| |
| |
| namespace boost { namespace geometry { namespace concept |
| { |
| |
| |
| /*! |
| \brief multi-polygon concept |
| \ingroup concepts |
| \par Formal definition: |
| The multi polygon concept is defined as following: |
| - there must be a specialization of traits::tag defining multi_polygon_tag |
| as type |
| - it must behave like a Boost.Range |
| - its range value must fulfil the Polygon concept |
| |
| */ |
| template <typename Geometry> |
| class MultiPolygon |
| { |
| #ifndef DOXYGEN_NO_CONCEPT_MEMBERS |
| typedef typename boost::range_value<Geometry>::type polygon_type; |
| |
| BOOST_CONCEPT_ASSERT( (concept::Polygon<polygon_type>) ); |
| BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<Geometry>) ); |
| |
| |
| public : |
| |
| BOOST_CONCEPT_USAGE(MultiPolygon) |
| { |
| Geometry* mp = 0; |
| traits::clear<Geometry>::apply(*mp); |
| traits::resize<Geometry>::apply(*mp, 0); |
| polygon_type* poly = 0; |
| traits::push_back<Geometry>::apply(*mp, *poly); |
| } |
| #endif |
| }; |
| |
| |
| /*! |
| \brief concept for multi-polygon (const version) |
| \ingroup const_concepts |
| */ |
| template <typename Geometry> |
| class ConstMultiPolygon |
| { |
| #ifndef DOXYGEN_NO_CONCEPT_MEMBERS |
| typedef typename boost::range_value<Geometry>::type polygon_type; |
| |
| BOOST_CONCEPT_ASSERT( (concept::ConstPolygon<polygon_type>) ); |
| BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<Geometry>) ); |
| |
| |
| public : |
| |
| BOOST_CONCEPT_USAGE(ConstMultiPolygon) |
| { |
| } |
| #endif |
| }; |
| |
| |
| }}} // namespace boost::geometry::concept |
| |
| |
| #endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_MULTI_POLYGON_CONCEPT_HPP |