99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_TEST_ENVELOPE_HPP
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#define BOOST_GEOMETRY_TEST_ENVELOPE_HPP
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#include <boost/variant/variant.hpp>
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#include <geometry_test_common.hpp>
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#include <boost/geometry/algorithms/envelope.hpp>
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#include <boost/geometry/geometries/box.hpp>
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#include <boost/geometry/strategies/strategies.hpp>
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#include <boost/geometry/io/wkt/read.hpp>
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template<typename Box, std::size_t DimensionCount>
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struct check_result
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{};
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template <typename Box>
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struct check_result<Box, 2>
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{
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typedef typename bg::coordinate_type<Box>::type ctype;
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typedef typename boost::mpl::if_
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<
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boost::is_arithmetic<ctype>,
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double,
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ctype
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>::type type;
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static void apply(Box const& b, const type& x1, const type& y1, const type& /*z1*/,
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const type& x2, const type& y2, const type& /*z2*/)
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{
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BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 0>(b)), x1, 0.001);
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BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 1>(b)), y1, 0.001);
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BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 0>(b)), x2, 0.001);
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BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 1>(b)), y2, 0.001);
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}
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};
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template <typename Box>
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struct check_result<Box, 3>
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{
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typedef typename bg::coordinate_type<Box>::type ctype;
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typedef typename boost::mpl::if_
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<
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boost::is_arithmetic<ctype>,
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double,
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ctype
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>::type type;
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static void apply(Box const& b, const type& x1, const type& y1, const type& z1,
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const type& x2, const type& y2, const type& z2)
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{
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BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 0>(b)), x1, 0.001);
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BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 1>(b)), y1, 0.001);
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BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 2>(b)), z1, 0.001);
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BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 0>(b)), x2, 0.001);
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BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 1>(b)), y2, 0.001);
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BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 2>(b)), z2, 0.001);
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}
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};
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template <typename Geometry, typename T>
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void test_envelope(std::string const& wkt,
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const T& x1, const T& x2,
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const T& y1, const T& y2,
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const T& z1 = 0, const T& z2 = 0)
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{
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typedef bg::model::box<typename bg::point_type<Geometry>::type > box_type;
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box_type b;
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Geometry geometry;
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bg::read_wkt(wkt, geometry);
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bg::envelope(geometry, b);
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check_result<box_type, bg::dimension<Geometry>::type::value>
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::apply(b, x1, y1, z1, x2, y2, z2);
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boost::variant<Geometry> v(geometry);
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bg::envelope(v, b);
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check_result<box_type, bg::dimension<Geometry>::type::value>
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::apply(b, x1, y1, z1, x2, y2, z2);
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}
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#endif
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