ceph/src/boost/boost/geometry/algorithms/detail/is_simple/debug_print_boundary_points.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2014-2020, 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_IS_SIMPLE_DEBUG_PRINT_BOUNDARY_POINTS_HPP
  12 #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_SIMPLE_DEBUG_PRINT_BOUNDARY_POINTS_HPP
  13
  14 #ifdef BOOST_GEOMETRY_TEST_DEBUG
  15 #include <algorithm>
  16 #include <iostream>
  17 #include <vector>
  18
  19 #include <boost/range/begin.hpp>
  20 #include <boost/range/end.hpp>
  21 #include <boost/range/size.hpp>
  22
  23 #include <boost/geometry/core/point_type.hpp>
  24 #include <boost/geometry/core/tag.hpp>
  25 #include <boost/geometry/core/tags.hpp>
  26
  27 #include <boost/geometry/util/range.hpp>
  28
  29 #include <boost/geometry/io/dsv/write.hpp>
  30
  31 #include <boost/geometry/policies/compare.hpp>
  32
  33 #include <boost/geometry/algorithms/equals.hpp>
  34 #include <boost/geometry/algorithms/not_implemented.hpp>
  35 #endif // BOOST_GEOMETRY_TEST_DEBUG
  36
  37
  38 namespace boost { namespace geometry
  39 {
  40
  41 namespace detail { namespace is_simple
  42 {
  43
  44
  45 #ifdef BOOST_GEOMETRY_TEST_DEBUG
  46 template <typename Linear, typename Tag = typename tag<Linear>::type>
  47 struct debug_boundary_points_printer
  48     : not_implemented<Linear>
  49 {};
  50
  51 template <typename Linestring>
  52 struct debug_boundary_points_printer<Linestring, linestring_tag>
  53 {
  54     static inline void apply(Linestring const& linestring)
  55     {
  56         std::cout << "boundary points: ";
  57         std::cout << " " << geometry::dsv(range::front(linestring));
  58         std::cout << " " << geometry::dsv(range::back(linestring));
  59         std::cout << std::endl << std::endl;
  60     }
  61 };
  62
  63 template <typename MultiLinestring>
  64 struct debug_boundary_points_printer<MultiLinestring, multi_linestring_tag>
  65 {
  66     static inline void apply(MultiLinestring const& multilinestring)
  67     {
  68         typedef typename point_type<MultiLinestring>::type point_type;
  69         typedef std::vector<point_type> point_vector;
  70
  71         point_vector boundary_points;
  72         for (typename boost::range_iterator<MultiLinestring const>::type it
  73                  = boost::begin(multilinestring);
  74              it != boost::end(multilinestring); ++it)
  75         {
  76             if ( boost::size(*it) > 1
  77                  && !geometry::equals(range::front(*it), range::back(*it)) )
  78             {
  79                 boundary_points.push_back( range::front(*it) );
  80                 boundary_points.push_back( range::back(*it) );
  81             }
  82         }
  83
  84         std::sort(boundary_points.begin(), boundary_points.end(),
  85                   geometry::less<point_type>());
  86
  87         std::cout << "boundary points: ";
  88         for (typename point_vector::const_iterator
  89                  pit = boundary_points.begin();
  90              pit != boundary_points.end(); ++pit)
  91         {
  92             std::cout << " " << geometry::dsv(*pit);
  93         }
  94         std::cout << std::endl << std::endl;
  95     }
  96 };
  97
  98
  99 template <typename Linear>
 100 inline void debug_print_boundary_points(Linear const& linear)
 101 {
 102     debug_boundary_points_printer<Linear>::apply(linear);
 103 }
 104 #else
 105 template <typename Linear>
 106 inline void debug_print_boundary_points(Linear const&)
 107 {
 108 }
 109 #endif // BOOST_GEOMETRY_TEST_DEBUG
 110
 111
 112 }} // namespace detail::is_simple
 113
 114 }} // namespace boost::geometry
 115
 116 #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_SIMPLE_DEBUG_PRINT_BOUNDARY_POINTS_HPP