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75 lines
3.8 KiB
C++
75 lines
3.8 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2012-2014 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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#include <test_buffer.hpp>
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#include <boost/geometry/multi/geometries/multi_geometries.hpp>
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static std::string const simplex = "MULTILINESTRING((0 0,4 5),(5 4,10 0))";
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static std::string const two_bends = "MULTILINESTRING((0 0,4 5,7 4,10 6),(1 5,5 9,8 6))";
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static std::string const turn_inside = "MULTILINESTRING((0 0,4 5,7 4,10 6),(1 5,5 9,8 6),(0 4,-2 6))";
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static std::string const degenerate0 = "MULTILINESTRING()";
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static std::string const degenerate1 = "MULTILINESTRING((5 5))";
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static std::string const degenerate2 = "MULTILINESTRING((5 5),(9 9))";
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static std::string const degenerate3 = "MULTILINESTRING((5 5),(9 9),(4 10))";
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static std::string const degenerate4 = "MULTILINESTRING((5 5,5 5),(9 9,9 9,10 10,9 9,9 9,9 9),(4 10,4 10,3 11,4 12,3 11,4 10,4 10))";
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template <bool Clockwise, typename P>
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void test_all()
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{
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typedef bg::model::linestring<P> linestring;
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typedef bg::model::multi_linestring<linestring> multi_linestring_type;
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typedef bg::model::polygon<P, Clockwise> polygon;
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bg::strategy::buffer::join_miter join_miter;
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bg::strategy::buffer::join_round join_round(100);
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bg::strategy::buffer::join_round_by_divide join_round_by_divide(4);
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bg::strategy::buffer::end_flat end_flat;
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bg::strategy::buffer::end_round end_round(100);
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// Round joins / round ends
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test_one<multi_linestring_type, polygon>("simplex", simplex, join_round, end_round, 49.0217, 1.5, 1.5);
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test_one<multi_linestring_type, polygon>("two_bends", two_bends, join_round, end_round, 74.73, 1.5, 1.5);
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test_one<multi_linestring_type, polygon>("turn_inside", turn_inside, join_round, end_round, 86.3313, 1.5, 1.5);
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test_one<multi_linestring_type, polygon>("two_bends_asym", two_bends, join_round, end_round, 58.3395, 1.5, 0.75);
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// Round joins / flat ends:
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test_one<multi_linestring_type, polygon>("simplex", simplex, join_round, end_flat, 38.2623, 1.5, 1.5);
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test_one<multi_linestring_type, polygon>("two_bends", two_bends, join_round, end_flat, 64.6217, 1.5, 1.5);
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// TODO this should be fixed test_one<multi_linestring_type, polygon>("turn_inside", turn_inside, join_round, end_flat, 99, 1.5, 1.5);
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test_one<multi_linestring_type, polygon>("two_bends_asym", two_bends, join_round, end_flat, 52.3793, 1.5, 0.75);
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// This one is far from done:
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// test_one<multi_linestring_type, polygon>("turn_inside_asym_neg", turn_inside, join_round, end_flat, 99, +1.5, -1.0);
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// Miter / divide joins, various ends
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test_one<multi_linestring_type, polygon>("two_bends", two_bends, join_round_by_divide, end_flat, 64.6217, 1.5, 1.5);
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test_one<multi_linestring_type, polygon>("two_bends", two_bends, join_miter, end_flat, 65.1834, 1.5, 1.5);
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test_one<multi_linestring_type, polygon>("two_bends", two_bends, join_miter, end_round, 75.2917, 1.5, 1.5);
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test_one<multi_linestring_type, polygon>("degenerate0", degenerate0, join_round, end_round, 0.0, 3.0, 3.0);
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test_one<multi_linestring_type, polygon>("degenerate1", degenerate1, join_round, end_round, 28.2503, 3.0, 3.0);
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test_one<multi_linestring_type, polygon>("degenerate2", degenerate2, join_round, end_round, 56.0457, 3.0, 3.0);
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test_one<multi_linestring_type, polygon>("degenerate3", degenerate3, join_round, end_round, 80.4531, 3.0, 3.0);
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test_one<multi_linestring_type, polygon>("degenerate4", degenerate4, join_round, end_round, 104.3142, 3.0, 3.0);
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}
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int test_main(int, char* [])
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{
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test_all<true, bg::model::point<double, 2, bg::cs::cartesian> >();
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test_all<false, bg::model::point<double, 2, bg::cs::cartesian> >();
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return 0;
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}
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