ceph/src/boost/boost/geometry/geometries/concepts/polygon_concept.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
   4 // Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands.
   5 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
   6
   7 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
   8 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
   9
  10 // Use, modification and distribution is subject to the Boost Software License,
  11 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  12 // http://www.boost.org/LICENSE_1_0.txt)
  13
  14 #ifndef BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP
  15 #define BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP
  16
  17 #include <boost/concept_check.hpp>
  18 #include <boost/core/ignore_unused.hpp>
  19 #include <boost/range/concepts.hpp>
  20
  21 #include <boost/geometry/core/access.hpp>
  22 #include <boost/geometry/core/exterior_ring.hpp>
  23 #include <boost/geometry/core/interior_rings.hpp>
  24 #include <boost/geometry/core/point_type.hpp>
  25 #include <boost/geometry/core/ring_type.hpp>
  26
  27 #include <boost/geometry/geometries/concepts/point_concept.hpp>
  28 #include <boost/geometry/geometries/concepts/ring_concept.hpp>
  29
  30
  31 namespace boost { namespace geometry { namespace concepts
  32 {
  33
  34 /*!
  35 \brief Checks polygon concept
  36 \ingroup concepts
  37 */
  38 template <typename PolygonType>
  39 class Polygon
  40 {
  41 #ifndef DOXYGEN_NO_CONCEPT_MEMBERS
  42     typedef typename boost::remove_const<PolygonType>::type polygon_type;
  43
  44     typedef typename traits::ring_const_type<polygon_type>::type ring_const_type;
  45     typedef typename traits::ring_mutable_type<polygon_type>::type ring_mutable_type;
  46     typedef typename traits::interior_const_type<polygon_type>::type interior_const_type;
  47     typedef typename traits::interior_mutable_type<polygon_type>::type interior_mutable_type;
  48
  49     typedef typename point_type<PolygonType>::type point_type;
  50     typedef typename ring_type<PolygonType>::type ring_type;
  51
  52     BOOST_CONCEPT_ASSERT( (concepts::Point<point_type>) );
  53     BOOST_CONCEPT_ASSERT( (concepts::Ring<ring_type>) );
  54
  55     //BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<interior_type>) );
  56
  57     struct checker
  58     {
  59         static inline void apply()
  60         {
  61             polygon_type* poly = 0;
  62             polygon_type const* cpoly = poly;
  63
  64             ring_mutable_type e = traits::exterior_ring<PolygonType>::get(*poly);
  65             interior_mutable_type i = traits::interior_rings<PolygonType>::get(*poly);
  66             ring_const_type ce = traits::exterior_ring<PolygonType>::get(*cpoly);
  67             interior_const_type ci = traits::interior_rings<PolygonType>::get(*cpoly);
  68
  69             boost::ignore_unused(poly, cpoly);
  70             boost::ignore_unused(e, i, ce, ci);
  71         }
  72     };
  73
  74 public:
  75
  76     BOOST_CONCEPT_USAGE(Polygon)
  77     {
  78         checker::apply();
  79     }
  80 #endif
  81 };
  82
  83
  84 /*!
  85 \brief Checks polygon concept (const version)
  86 \ingroup const_concepts
  87 */
  88 template <typename PolygonType>
  89 class ConstPolygon
  90 {
  91 #ifndef DOXYGEN_NO_CONCEPT_MEMBERS
  92
  93     typedef typename boost::remove_const<PolygonType>::type const_polygon_type;
  94
  95     typedef typename traits::ring_const_type<const_polygon_type>::type ring_const_type;
  96     typedef typename traits::interior_const_type<const_polygon_type>::type interior_const_type;
  97
  98     typedef typename point_type<const_polygon_type>::type point_type;
  99     typedef typename ring_type<const_polygon_type>::type ring_type;
 100
 101     BOOST_CONCEPT_ASSERT( (concepts::ConstPoint<point_type>) );
 102     BOOST_CONCEPT_ASSERT( (concepts::ConstRing<ring_type>) );
 103
 104     ////BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<interior_type>) );
 105
 106     struct checker
 107     {
 108         static inline void apply()
 109         {
 110             const_polygon_type const* cpoly = 0;
 111
 112             ring_const_type ce = traits::exterior_ring<const_polygon_type>::get(*cpoly);
 113             interior_const_type ci = traits::interior_rings<const_polygon_type>::get(*cpoly);
 114
 115             boost::ignore_unused(ce, ci, cpoly);
 116         }
 117     };
 118
 119 public:
 120
 121     BOOST_CONCEPT_USAGE(ConstPolygon)
 122     {
 123         checker::apply();
 124     }
 125 #endif
 126 };
 127
 128 }}} // namespace boost::geometry::concepts
 129
 130 #endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP