geometry/test/algorithms/overlay/select_rings.cpp

119 lines
3.4 KiB
C++

// Boost.Geometry (aka GGL, Generic Geometry Library)
//
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
//
// This file was modified by Oracle on 2017.
// Modifications copyright (c) 2017 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)
#include <geometry_test_common.hpp>
#include <boost/foreach.hpp>
#include <boost/range/algorithm/copy.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/typeof/typeof.hpp>
#include <algorithms/test_overlay.hpp>
#include <boost/geometry/geometry.hpp>
#include <boost/geometry/algorithms/detail/overlay/select_rings.hpp>
#include <boost/geometry/algorithms/detail/overlay/assign_parents.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#include <boost/geometry/geometries/polygon.hpp>
#include <boost/geometry/io/wkt/read.hpp>
#include <boost/assign/list_of.hpp>
template
<
typename Geometry1,
typename Geometry2,
bg::overlay_type OverlayType,
typename RingIdVector
>
void test_geometry(std::string const& wkt1, std::string const& wkt2,
RingIdVector const& expected_ids)
{
typedef bg::detail::overlay::ring_properties
<
typename bg::point_type<Geometry1>::type,
double
> properties;
Geometry1 geometry1;
Geometry2 geometry2;
bg::read_wkt(wkt1, geometry1);
bg::read_wkt(wkt2, geometry2);
typedef std::map<bg::ring_identifier, properties> map_type;
map_type selected;
std::map<bg::ring_identifier, bg::detail::overlay::ring_turn_info> empty;
typedef typename bg::strategy::intersection::services::default_strategy
<
typename bg::cs_tag<Geometry1>::type
>::type strategy_type;
bg::detail::overlay::select_rings<OverlayType>(geometry1, geometry2, empty, selected, strategy_type());
BOOST_CHECK_EQUAL(selected.size(), expected_ids.size());
if (selected.size() <= expected_ids.size())
{
BOOST_AUTO(eit, expected_ids.begin());
for(typename map_type::const_iterator it = selected.begin(); it != selected.end(); ++it, ++eit)
{
bg::ring_identifier const ring_id = it->first;
BOOST_CHECK_EQUAL(ring_id.source_index, eit->source_index);
BOOST_CHECK_EQUAL(ring_id.multi_index, eit->multi_index);
BOOST_CHECK_EQUAL(ring_id.ring_index, eit->ring_index);
}
}
}
template <typename P>
void test_all()
{
// Point in correct clockwise ring -> should return true
typedef bg::ring_identifier rid;
test_geometry<bg::model::polygon<P>, bg::model::polygon<P>, bg::overlay_union>(
winded[0], winded[1],
boost::assign::list_of
(rid(0,-1,-1))
(rid(0,-1, 0))
(rid(0,-1, 1))
(rid(0,-1, 3))
(rid(1,-1, 1))
(rid(1,-1, 2)));
test_geometry<bg::model::polygon<P>, bg::model::polygon<P>, bg::overlay_intersection>(
winded[0], winded[1],
boost::assign::list_of
(rid(0,-1, 2))
(rid(1,-1,-1))
(rid(1,-1, 0))
(rid(1,-1, 3)));
}
int test_main( int , char* [] )
{
test_all<bg::model::d2::point_xy<double> >();
return 0;
}