| 1 | // Boost.Geometry |
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| 2 | |
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| 3 | // Copyright (c) 2022 Oracle and/or its affiliates. |
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| 4 | // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle |
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| 5 | |
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| 6 | // Use, modification and distribution is subject to the Boost Software License, |
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| 7 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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| 8 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 9 | |
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| 10 | #include "geometry_test_common.hpp" |
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| 11 | |
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| 12 | #include <boost/geometry/algorithms/buffer.hpp> |
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| 13 | #include <boost/geometry/geometries/geometries.hpp> |
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| 14 | #include <boost/geometry/io/wkt/read.hpp> |
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| 15 | #include <boost/geometry/strategies/strategies.hpp> |
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| 16 | |
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| 17 | using pt_t = bg::model::point<double, 2, bg::cs::cartesian>; |
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| 18 | using ls_t = bg::model::linestring<pt_t>; |
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| 19 | using po_t = bg::model::polygon<pt_t>; |
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| 20 | using mpt_t = bg::model::multi_point<pt_t>; |
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| 21 | using mls_t = bg::model::multi_linestring<ls_t>; |
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| 22 | using mpo_t = bg::model::multi_polygon<po_t>; |
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| 23 | using var_t = boost::variant<pt_t, ls_t, po_t, mpt_t, mls_t, mpo_t>; |
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| 24 | using gc_t = bg::model::geometry_collection<var_t>; |
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| 25 | |
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| 26 | void test_gc() |
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| 27 | { |
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| 28 | gc_t gc; |
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| 29 | bg::read_wkt(wkt: "GEOMETRYCOLLECTION(" |
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| 30 | "POLYGON((0 0,0 5,5 5,5 0,0 0))," |
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| 31 | "LINESTRING(2 2,9 9)," |
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| 32 | "POINT(0 9)" |
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| 33 | ")" , geometry&: gc); |
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| 34 | |
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| 35 | bg::strategy::buffer::distance_symmetric<double> distance(1.0); |
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| 36 | bg::strategy::buffer::side_straight side; |
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| 37 | bg::strategy::buffer::join_round join; |
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| 38 | bg::strategy::buffer::end_round end; |
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| 39 | bg::strategy::buffer::point_circle circle; |
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| 40 | |
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| 41 | mpo_t result_mpo; |
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| 42 | bg::buffer(geometry_in: gc, geometry_out&: result_mpo, distance_strategy: distance, side_strategy: side, join_strategy: join, end_strategy: end, point_strategy: circle); |
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| 43 | |
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| 44 | BOOST_CHECK(result_mpo.size() == 2); |
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| 45 | double area = bg::area(geometry: result_mpo); |
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| 46 | BOOST_CHECK_CLOSE(area, 62.548206613048151, 0.0001); |
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| 47 | |
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| 48 | gc_t result_gc; |
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| 49 | bg::buffer(geometry_in: gc, geometry_out&: result_gc, distance_strategy: distance, side_strategy: side, join_strategy: join, end_strategy: end, point_strategy: circle); |
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| 50 | |
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| 51 | BOOST_CHECK(result_gc.size() == 1); |
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| 52 | BOOST_CHECK(boost::get<mpo_t>(result_gc[0]).size() == 2); |
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| 53 | area = bg::area(geometry: boost::get<mpo_t>(operand&: result_gc[0])); |
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| 54 | BOOST_CHECK_CLOSE(area, 62.548206613048151, 0.0001); |
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| 55 | } |
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| 56 | |
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| 57 | int test_main(int, char* []) |
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| 58 | { |
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| 59 | test_gc(); |
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| 60 | |
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| 61 | return 0; |
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| 62 | } |
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| 63 | |
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