boost/geometry/algorithms/detail/disjoint/multirange_geometry.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2014-2017, Oracle and/or its affiliates.
   4
   5 // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
   6 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
   7
   8 // Licensed under the Boost Software License version 1.0.
   9 // http://www.boost.org/users/license.html
  10
  11 #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_DISJOINT_MULTIRANGE_GEOMETRY_HPP
  12 #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_DISJOINT_MULTIRANGE_GEOMETRY_HPP
  13
  14 #include <boost/range.hpp>
  15
  16 #include <boost/geometry/algorithms/detail/check_iterator_range.hpp>
  17 #include <boost/geometry/algorithms/dispatch/disjoint.hpp>
  18
  19
  20 namespace boost { namespace geometry
  21 {
  22
  23
  24 #ifndef DOXYGEN_NO_DETAIL
  25 namespace detail { namespace disjoint
  26 {
  27
  28
  29 template <typename Geometry, typename Strategy, typename BinaryPredicate>
  30 class unary_disjoint_geometry_to_query_geometry
  31 {
  32 public:
  33     unary_disjoint_geometry_to_query_geometry(Geometry const& geometry,
  34                                               Strategy const& strategy)
  35         : m_geometry(geometry)
  36         , m_strategy(strategy)
  37     {}
  38
  39     template <typename QueryGeometry>
  40     inline bool apply(QueryGeometry const& query_geometry) const
  41     {
  42         return BinaryPredicate::apply(query_geometry, m_geometry, m_strategy);
  43     }
  44
  45 private:
  46     Geometry const& m_geometry;
  47     Strategy const& m_strategy;
  48 };
  49
  50
  51 template<typename MultiRange, typename ConstantSizeGeometry>
  52 struct multirange_constant_size_geometry
  53 {
  54     template <typename Strategy>
  55     static inline bool apply(MultiRange const& multirange,
  56                              ConstantSizeGeometry const& constant_size_geometry,
  57                              Strategy const& strategy)
  58     {
  59         typedef unary_disjoint_geometry_to_query_geometry
  60             <
  61                 ConstantSizeGeometry,
  62                 Strategy,
  63                 dispatch::disjoint
  64                     <
  65                         typename boost::range_value<MultiRange>::type,
  66                         ConstantSizeGeometry
  67                     >
  68             > unary_predicate_type;
  69
  70         return detail::check_iterator_range
  71             <
  72                 unary_predicate_type
  73             >::apply(boost::begin(multirange), boost::end(multirange),
  74                      unary_predicate_type(constant_size_geometry, strategy));
  75     }
  76
  77     template <typename Strategy>
  78     static inline bool apply(ConstantSizeGeometry const& constant_size_geometry,
  79                              MultiRange const& multirange,
  80                              Strategy const& strategy)
  81     {
  82         return apply(multirange, constant_size_geometry, strategy);
  83     }
  84 };
  85
  86
  87 }} // namespace detail::disjoint
  88 #endif // DOXYGEN_NO_DETAIL
  89
  90
  91 }} // namespace boost::geometry
  92
  93
  94 #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_DISJOINT_MULTIRANGE_GEOMETRY_HPP