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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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