// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2014-2020, Oracle and/or its affiliates.
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// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Licensed under the Boost Software License version 1.0.
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// http://www.boost.org/users/license.html
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#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_SIMPLE_DEBUG_PRINT_BOUNDARY_POINTS_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_SIMPLE_DEBUG_PRINT_BOUNDARY_POINTS_HPP
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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#include <algorithm>
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#include <iostream>
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#include <vector>
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#include <boost/range/begin.hpp>
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#include <boost/range/end.hpp>
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#include <boost/range/size.hpp>
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#include <boost/geometry/core/point_type.hpp>
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#include <boost/geometry/core/tag.hpp>
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#include <boost/geometry/core/tags.hpp>
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#include <boost/geometry/util/range.hpp>
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#include <boost/geometry/io/dsv/write.hpp>
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#include <boost/geometry/policies/compare.hpp>
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#include <boost/geometry/algorithms/equals.hpp>
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#include <boost/geometry/algorithms/not_implemented.hpp>
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#endif // BOOST_GEOMETRY_TEST_DEBUG
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namespace boost { namespace geometry
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{
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namespace detail { namespace is_simple
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{
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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template <typename Linear, typename Tag = typename tag<Linear>::type>
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struct debug_boundary_points_printer
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: not_implemented<Linear>
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{};
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template <typename Linestring>
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struct debug_boundary_points_printer<Linestring, linestring_tag>
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{
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static inline void apply(Linestring const& linestring)
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{
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std::cout << "boundary points: ";
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std::cout << " " << geometry::dsv(range::front(linestring));
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std::cout << " " << geometry::dsv(range::back(linestring));
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std::cout << std::endl << std::endl;
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}
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};
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template <typename MultiLinestring>
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struct debug_boundary_points_printer<MultiLinestring, multi_linestring_tag>
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{
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static inline void apply(MultiLinestring const& multilinestring)
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{
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typedef typename point_type<MultiLinestring>::type point_type;
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typedef std::vector<point_type> point_vector;
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point_vector boundary_points;
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for (typename boost::range_iterator<MultiLinestring const>::type it
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= boost::begin(multilinestring);
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it != boost::end(multilinestring); ++it)
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{
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if ( boost::size(*it) > 1
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&& !geometry::equals(range::front(*it), range::back(*it)) )
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{
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boundary_points.push_back( range::front(*it) );
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boundary_points.push_back( range::back(*it) );
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}
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}
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std::sort(boundary_points.begin(), boundary_points.end(),
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geometry::less<point_type>());
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std::cout << "boundary points: ";
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for (typename point_vector::const_iterator
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pit = boundary_points.begin();
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pit != boundary_points.end(); ++pit)
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{
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std::cout << " " << geometry::dsv(*pit);
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}
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std::cout << std::endl << std::endl;
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}
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};
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template <typename Linear>
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inline void debug_print_boundary_points(Linear const& linear)
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{
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debug_boundary_points_printer<Linear>::apply(linear);
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}
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#else
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template <typename Linear>
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inline void debug_print_boundary_points(Linear const&)
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{
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}
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#endif // BOOST_GEOMETRY_TEST_DEBUG
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}} // namespace detail::is_simple
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_SIMPLE_DEBUG_PRINT_BOUNDARY_POINTS_HPP
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