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- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Unit Test
- // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
- // 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_ENVELOPE_HPP
- #define BOOST_GEOMETRY_TEST_ENVELOPE_HPP
- #include <boost/variant/variant.hpp>
- #include <geometry_test_common.hpp>
- #include <boost/geometry/algorithms/envelope.hpp>
- #include <boost/geometry/geometries/box.hpp>
- #include <boost/geometry/strategies/strategies.hpp>
- #include <boost/geometry/io/wkt/read.hpp>
- template<typename Box, std::size_t DimensionCount>
- struct check_result
- {};
- template <typename Box>
- struct check_result<Box, 2>
- {
- typedef typename bg::coordinate_type<Box>::type ctype;
- typedef typename boost::mpl::if_
- <
- boost::is_arithmetic<ctype>,
- double,
- ctype
- >::type type;
- static void apply(Box const& b, const type& x1, const type& y1, const type& /*z1*/,
- const type& x2, const type& y2, const type& /*z2*/)
- {
- BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 0>(b)), x1, 0.001);
- BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 1>(b)), y1, 0.001);
- BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 0>(b)), x2, 0.001);
- BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 1>(b)), y2, 0.001);
- }
- };
- template <typename Box>
- struct check_result<Box, 3>
- {
- typedef typename bg::coordinate_type<Box>::type ctype;
- typedef typename boost::mpl::if_
- <
- boost::is_arithmetic<ctype>,
- double,
- ctype
- >::type type;
- static void apply(Box const& b, const type& x1, const type& y1, const type& z1,
- const type& x2, const type& y2, const type& z2)
- {
- BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 0>(b)), x1, 0.001);
- BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 1>(b)), y1, 0.001);
- BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 2>(b)), z1, 0.001);
- BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 0>(b)), x2, 0.001);
- BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 1>(b)), y2, 0.001);
- BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 2>(b)), z2, 0.001);
- }
- };
- template <typename Geometry, typename T>
- void test_envelope(std::string const& wkt,
- const T& x1, const T& x2,
- const T& y1, const T& y2,
- const T& z1 = 0, const T& z2 = 0)
- {
- typedef bg::model::box<typename bg::point_type<Geometry>::type > box_type;
- box_type b;
- Geometry geometry;
- bg::read_wkt(wkt, geometry);
- bg::envelope(geometry, b);
- check_result<box_type, bg::dimension<Geometry>::type::value>
- ::apply(b, x1, y1, z1, x2, y2, z2);
- boost::variant<Geometry> v(geometry);
- bg::envelope(v, b);
- check_result<box_type, bg::dimension<Geometry>::type::value>
- ::apply(b, x1, y1, z1, x2, y2, z2);
- }
- #endif
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