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

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
   4 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
   5 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
   6
   7 // This file was modified by Oracle on 2020.
   8 // Modifications copyright (c) 2020 Oracle and/or its affiliates.
   9 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
  10
  11 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
  12 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
  13
  14 // Use, modification and distribution is subject to the Boost Software License,
  15 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  16 // http://www.boost.org/LICENSE_1_0.txt)
  17
  18
  19 #ifndef BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_MULTI_POLYGON_CONCEPT_HPP
  20 #define BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_MULTI_POLYGON_CONCEPT_HPP
  21
  22
  23 #include <boost/concept_check.hpp>
  24 #include <boost/range/concepts.hpp>
  25 #include <boost/range/value_type.hpp>
  26
  27 #include <boost/geometry/geometries/concepts/polygon_concept.hpp>
  28
  29
  30 namespace boost { namespace geometry { namespace concepts
  31 {
  32
  33
  34 /*!
  35 \brief multi-polygon concept
  36 \ingroup concepts
  37 \par Formal definition:
  38 The multi polygon concept is defined as following:
  39 - there must be a specialization of traits::tag defining multi_polygon_tag
  40   as type
  41 - it must behave like a Boost.Range
  42 - its range value must fulfil the Polygon concept
  43
  44 */
  45 template <typename Geometry>
  46 class MultiPolygon
  47 {
  48 #ifndef DOXYGEN_NO_CONCEPT_MEMBERS
  49     typedef typename boost::range_value<Geometry>::type polygon_type;
  50
  51     BOOST_CONCEPT_ASSERT( (concepts::Polygon<polygon_type>) );
  52     BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<Geometry>) );
  53
  54
  55 public :
  56
  57     BOOST_CONCEPT_USAGE(MultiPolygon)
  58     {
  59         Geometry* mp = 0;
  60         traits::clear<Geometry>::apply(*mp);
  61         traits::resize<Geometry>::apply(*mp, 0);
  62         polygon_type* poly = 0;
  63         traits::push_back<Geometry>::apply(*mp, *poly);
  64     }
  65 #endif
  66 };
  67
  68
  69 /*!
  70 \brief concept for multi-polygon (const version)
  71 \ingroup const_concepts
  72 */
  73 template <typename Geometry>
  74 class ConstMultiPolygon
  75 {
  76 #ifndef DOXYGEN_NO_CONCEPT_MEMBERS
  77     typedef typename boost::range_value<Geometry>::type polygon_type;
  78
  79     BOOST_CONCEPT_ASSERT( (concepts::ConstPolygon<polygon_type>) );
  80     BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<Geometry>) );
  81
  82
  83 public :
  84
  85     BOOST_CONCEPT_USAGE(ConstMultiPolygon)
  86     {
  87     }
  88 #endif
  89 };
  90
  91
  92 }}} // namespace boost::geometry::concepts
  93
  94
  95 #endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_MULTI_POLYGON_CONCEPT_HPP