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- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Copyright (c) 2014-2015, Oracle and/or its affiliates.
- // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
- // Licensed under the Boost Software License version 1.0.
- // http://www.boost.org/users/license.html
- #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_SIMPLE_DEBUG_PRINT_BOUNDARY_POINTS_HPP
- #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_SIMPLE_DEBUG_PRINT_BOUNDARY_POINTS_HPP
- #ifdef BOOST_GEOMETRY_TEST_DEBUG
- #include <algorithm>
- #include <iostream>
- #include <vector>
- #include <boost/range.hpp>
- #include <boost/geometry/core/point_type.hpp>
- #include <boost/geometry/core/tag.hpp>
- #include <boost/geometry/core/tags.hpp>
- #include <boost/geometry/util/range.hpp>
- #include <boost/geometry/io/dsv/write.hpp>
- #include <boost/geometry/policies/compare.hpp>
- #include <boost/geometry/algorithms/equals.hpp>
- #include <boost/geometry/algorithms/not_implemented.hpp>
- #endif // BOOST_GEOMETRY_TEST_DEBUG
- namespace boost { namespace geometry
- {
- namespace detail { namespace is_simple
- {
- #ifdef BOOST_GEOMETRY_TEST_DEBUG
- template <typename Linear, typename Tag = typename tag<Linear>::type>
- struct debug_boundary_points_printer
- : not_implemented<Linear>
- {};
- template <typename Linestring>
- struct debug_boundary_points_printer<Linestring, linestring_tag>
- {
- static inline void apply(Linestring const& linestring)
- {
- std::cout << "boundary points: ";
- std::cout << " " << geometry::dsv(range::front(linestring));
- std::cout << " " << geometry::dsv(range::back(linestring));
- std::cout << std::endl << std::endl;
- }
- };
- template <typename MultiLinestring>
- struct debug_boundary_points_printer<MultiLinestring, multi_linestring_tag>
- {
- static inline void apply(MultiLinestring const& multilinestring)
- {
- typedef typename point_type<MultiLinestring>::type point_type;
- typedef std::vector<point_type> point_vector;
- point_vector boundary_points;
- for (typename boost::range_iterator<MultiLinestring const>::type it
- = boost::begin(multilinestring);
- it != boost::end(multilinestring); ++it)
- {
- if ( boost::size(*it) > 1
- && !geometry::equals(range::front(*it), range::back(*it)) )
- {
- boundary_points.push_back( range::front(*it) );
- boundary_points.push_back( range::back(*it) );
- }
- }
- std::sort(boundary_points.begin(), boundary_points.end(),
- geometry::less<point_type>());
- std::cout << "boundary points: ";
- for (typename point_vector::const_iterator
- pit = boundary_points.begin();
- pit != boundary_points.end(); ++pit)
- {
- std::cout << " " << geometry::dsv(*pit);
- }
- std::cout << std::endl << std::endl;
- }
- };
- template <typename Linear>
- inline void debug_print_boundary_points(Linear const& linear)
- {
- debug_boundary_points_printer<Linear>::apply(linear);
- }
- #else
- template <typename Linear>
- inline void debug_print_boundary_points(Linear const&)
- {
- }
- #endif // BOOST_GEOMETRY_TEST_DEBUG
- }} // namespace detail::is_simple
- }} // namespace boost::geometry
- #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_SIMPLE_DEBUG_PRINT_BOUNDARY_POINTS_HPP
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