ceph/src/boost/libs/geometry/include/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/range/concepts.hpp>
  19
  20 #include <boost/geometry/core/access.hpp>
  21 #include <boost/geometry/core/exterior_ring.hpp>
  22 #include <boost/geometry/core/interior_rings.hpp>
  23 #include <boost/geometry/core/point_type.hpp>
  24 #include <boost/geometry/core/ring_type.hpp>
  25
  26 #include <boost/geometry/geometries/concepts/point_concept.hpp>
  27 #include <boost/geometry/geometries/concepts/ring_concept.hpp>
  28
  29
  30 namespace boost { namespace geometry { namespace concepts
  31 {
  32
  33 /*!
  34 \brief Checks polygon concept
  35 \ingroup concepts
  36 */
  37 template <typename PolygonType>
  38 class Polygon
  39 {
  40 #ifndef DOXYGEN_NO_CONCEPT_MEMBERS
  41     typedef typename boost::remove_const<PolygonType>::type polygon_type;
  42
  43     typedef typename traits::ring_const_type<polygon_type>::type ring_const_type;
  44     typedef typename traits::ring_mutable_type<polygon_type>::type ring_mutable_type;
  45     typedef typename traits::interior_const_type<polygon_type>::type interior_const_type;
  46     typedef typename traits::interior_mutable_type<polygon_type>::type interior_mutable_type;
  47
  48     typedef typename point_type<PolygonType>::type point_type;
  49     typedef typename ring_type<PolygonType>::type ring_type;
  50
  51     BOOST_CONCEPT_ASSERT( (concepts::Point<point_type>) );
  52     BOOST_CONCEPT_ASSERT( (concepts::Ring<ring_type>) );
  53
  54     //BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<interior_type>) );
  55
  56     struct checker
  57     {
  58         static inline void apply()
  59         {
  60             polygon_type* poly = 0;
  61             polygon_type const* cpoly = poly;
  62
  63             ring_mutable_type e = traits::exterior_ring<PolygonType>::get(*poly);
  64             interior_mutable_type i = traits::interior_rings<PolygonType>::get(*poly);
  65             ring_const_type ce = traits::exterior_ring<PolygonType>::get(*cpoly);
  66             interior_const_type ci = traits::interior_rings<PolygonType>::get(*cpoly);
  67
  68             boost::ignore_unused_variable_warning(e);
  69             boost::ignore_unused_variable_warning(i);
  70             boost::ignore_unused_variable_warning(ce);
  71             boost::ignore_unused_variable_warning(ci);
  72             boost::ignore_unused_variable_warning(poly);
  73             boost::ignore_unused_variable_warning(cpoly);
  74         }
  75     };
  76
  77 public:
  78
  79     BOOST_CONCEPT_USAGE(Polygon)
  80     {
  81         checker::apply();
  82     }
  83 #endif
  84 };
  85
  86
  87 /*!
  88 \brief Checks polygon concept (const version)
  89 \ingroup const_concepts
  90 */
  91 template <typename PolygonType>
  92 class ConstPolygon
  93 {
  94 #ifndef DOXYGEN_NO_CONCEPT_MEMBERS
  95
  96     typedef typename boost::remove_const<PolygonType>::type const_polygon_type;
  97
  98     typedef typename traits::ring_const_type<const_polygon_type>::type ring_const_type;
  99     typedef typename traits::interior_const_type<const_polygon_type>::type interior_const_type;
 100
 101     typedef typename point_type<const_polygon_type>::type point_type;
 102     typedef typename ring_type<const_polygon_type>::type ring_type;
 103
 104     BOOST_CONCEPT_ASSERT( (concepts::ConstPoint<point_type>) );
 105     BOOST_CONCEPT_ASSERT( (concepts::ConstRing<ring_type>) );
 106
 107     ////BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<interior_type>) );
 108
 109     struct checker
 110     {
 111         static inline void apply()
 112         {
 113             const_polygon_type const* cpoly = 0;
 114
 115             ring_const_type ce = traits::exterior_ring<const_polygon_type>::get(*cpoly);
 116             interior_const_type ci = traits::interior_rings<const_polygon_type>::get(*cpoly);
 117
 118             boost::ignore_unused_variable_warning(ce);
 119             boost::ignore_unused_variable_warning(ci);
 120             boost::ignore_unused_variable_warning(cpoly);
 121         }
 122     };
 123
 124 public:
 125
 126     BOOST_CONCEPT_USAGE(ConstPolygon)
 127     {
 128         checker::apply();
 129     }
 130 #endif
 131 };
 132
 133 }}} // namespace boost::geometry::concepts
 134
 135 #endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP