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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2013-2015 Adam Wulkiewicz, Lodz, Poland.
// This file was modified by Oracle on 2014, 2015, 2017, 2019.
// Modifications copyright (c) 2014-2019 Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_GEOMETRY_TEST_WITHIN_HPP
#define BOOST_GEOMETRY_TEST_WITHIN_HPP
#include <boost/variant/variant.hpp>
#include <geometry_test_common.hpp>
#include <boost/geometry/algorithms/covered_by.hpp>
#include <boost/geometry/algorithms/within.hpp>
#include <boost/geometry/core/ring_type.hpp>
#include <boost/geometry/geometries/ring.hpp>
#include <boost/geometry/geometries/polygon.hpp>
#include <boost/geometry/geometries/multi_linestring.hpp>
#include <boost/geometry/io/wkt/read.hpp>
#include <boost/geometry/strategies/strategies.hpp>
struct no_strategy {};
template <typename Geometry1, typename Geometry2, typename Strategy>
bool call_within(Geometry1 const& geometry1,
Geometry2 const& geometry2,
Strategy const& strategy)
{
return bg::within(geometry1, geometry2, strategy);
}
template <typename Geometry1, typename Geometry2>
bool call_within(Geometry1 const& geometry1,
Geometry2 const& geometry2,
no_strategy)
{
return bg::within(geometry1, geometry2);
}
template <typename Geometry1, typename Geometry2, typename Strategy>
void check_geometry(Geometry1 const& geometry1,
Geometry2 const& geometry2,
std::string const& wkt1,
std::string const& wkt2,
bool expected,
Strategy const& strategy)
{
bool detected = call_within(geometry1, geometry2, strategy);
BOOST_CHECK_MESSAGE(detected == expected,
"within: " << wkt1
<< " in " << wkt2
<< " -> Expected: " << expected
<< " detected: " << detected);
}
template <typename Geometry1, typename Geometry2>
void test_geometry(std::string const& wkt1,
std::string const& wkt2, bool expected)
{
Geometry1 geometry1;
Geometry2 geometry2;
bg::read_wkt(wkt1, geometry1);
bg::read_wkt(wkt2, geometry2);
boost::variant<Geometry1> v1(geometry1);
boost::variant<Geometry2> v2(geometry2);
typedef typename bg::strategies::relate::services::default_strategy
<
Geometry1, Geometry2
>::type strategy_type;
check_geometry(geometry1, geometry2, wkt1, wkt2, expected, strategy_type());
check_geometry(geometry1, geometry2, wkt1, wkt2, expected, no_strategy());
check_geometry(v1, geometry2, wkt1, wkt2, expected, no_strategy());
check_geometry(geometry1, v2, wkt1, wkt2, expected, no_strategy());
check_geometry(v1, v2, wkt1, wkt2, expected, no_strategy());
}
template <typename Point, bool Clockwise, bool Closed>
void test_ordered_ring(std::string const& wkt_point,
std::string const& wkt_geometry, bool expected, bool on_border)
{
typedef bg::model::ring<Point, Clockwise, Closed> ring_type;
ring_type ring;
Point point;
bg::read_wkt(wkt_geometry, ring);
if ( BOOST_GEOMETRY_CONDITION(! Clockwise) )
{
std::reverse(boost::begin(ring), boost::end(ring));
}
bg::read_wkt(wkt_point, point);
bool detected = bg::within(point, ring);
BOOST_CHECK_MESSAGE(detected == expected,
"within: " << wkt_point
<< " in " << wkt_geometry
<< " -> Expected: " << expected
<< " detected: " << detected
<< " clockwise: " << int(Clockwise)
<< " closed: " << int(Closed)
);
// other strategy (note that this one cannot detect OnBorder
// (without modifications)
bg::strategy::within::franklin<Point> franklin;
detected = bg::within(point, ring, franklin);
if (! on_border)
{
BOOST_CHECK_MESSAGE(detected == expected,
"within: " << wkt_point
<< " in " << wkt_geometry
<< " -> Expected: " << expected
<< " detected: " << detected
<< " clockwise: " << int(Clockwise)
<< " closed: " << int(Closed)
);
}
bg::strategy::within::crossings_multiply<Point> cm;
detected = bg::within(point, ring, cm);
if (! on_border)
{
BOOST_CHECK_MESSAGE(detected == expected,
"within: " << wkt_point
<< " in " << wkt_geometry
<< " -> Expected: " << expected
<< " detected: " << detected
<< " clockwise: " << int(Clockwise)
<< " closed: " << int(Closed)
);
}
}
template <typename Point>
void test_ring(std::string const& wkt_point,
std::string const& wkt_geometry,
bool expected, bool on_border)
{
test_ordered_ring<Point, true, true>(wkt_point, wkt_geometry, expected, on_border);
test_ordered_ring<Point, false, true>(wkt_point, wkt_geometry, expected, on_border);
test_ordered_ring<Point, true, false>(wkt_point, wkt_geometry, expected, on_border);
test_ordered_ring<Point, false, false>(wkt_point, wkt_geometry, expected, on_border);
test_geometry<Point, bg::model::polygon<Point> >(wkt_point, wkt_geometry, expected);
}
#endif
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