115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
// Boost.Polygon library polygon_set_data_test.cpp file
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// Copyright Andrii Sydorchuk 2015.
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// Distributed under the Boost Software License, Version 1.0.
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// (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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// See http://www.boost.org for updates, documentation, and revision history.
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#include <boost/core/lightweight_test.hpp>
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#include <boost/polygon/polygon.hpp>
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#include <vector>
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using namespace boost::polygon;
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using namespace boost::polygon::operators;
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void polygon_set_data_test1()
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{
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typedef point_data<int> point_type;
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typedef polygon_with_holes_data<int> polygon_with_holes_type;
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typedef polygon_set_data<int> polygon_set_type;
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polygon_set_type pset;
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std::vector<point_type> outbox;
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outbox.push_back(point_type(0, 0));
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outbox.push_back(point_type(100, 0));
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outbox.push_back(point_type(100, 100));
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outbox.push_back(point_type(0, 100));
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pset.insert_vertex_sequence(outbox.begin(), outbox.end(), COUNTERCLOCKWISE, false);
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std::vector<point_type> inbox;
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inbox.push_back(point_type(20, 20));
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inbox.push_back(point_type(80, 20));
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inbox.push_back(point_type(80, 80));
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inbox.push_back(point_type(20, 80));
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pset.insert_vertex_sequence(inbox.begin(), inbox.end(), COUNTERCLOCKWISE, true);
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BOOST_TEST(!pset.empty());
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BOOST_TEST(!pset.sorted());
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BOOST_TEST(pset.dirty());
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BOOST_TEST_EQ(8, pset.size());
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std::vector<polygon_with_holes_type> vpoly;
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pset.get(vpoly);
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BOOST_TEST_EQ(1, vpoly.size());
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polygon_with_holes_type poly = vpoly[0];
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BOOST_TEST_EQ(5, poly.size());
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BOOST_TEST_EQ(1, poly.size_holes());
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}
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void polygon_set_data_test2()
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{
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typedef point_data<int> point_type;
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typedef polygon_data<int> polygon_type;
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typedef polygon_set_data<int> polygon_set_type;
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std::vector<point_type> data;
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data.push_back(point_type(2,0));
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data.push_back(point_type(4,0));
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data.push_back(point_type(4,3));
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data.push_back(point_type(0,3));
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data.push_back(point_type(0,0));
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data.push_back(point_type(2,0));
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data.push_back(point_type(2,1));
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data.push_back(point_type(1,1));
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data.push_back(point_type(1,2));
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data.push_back(point_type(3,2));
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data.push_back(point_type(3,1));
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data.push_back(point_type(2,1));
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data.push_back(point_type(2,0));
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polygon_type polygon;
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set_points(polygon, data.begin(), data.end());
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polygon_set_type pset;
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pset.insert(polygon);
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std::vector<polygon_type> traps;
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get_trapezoids(traps, pset, HORIZONTAL);
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BOOST_TEST_EQ(4, traps.size());
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}
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void polygon_set_data_test3()
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{
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typedef point_data<int> point_type;
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typedef polygon_data<int> polygon_type;
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typedef polygon_set_data<int> polygon_set_type;
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std::vector<point_type> data;
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data.push_back(point_type(0,0));
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data.push_back(point_type(6,0));
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data.push_back(point_type(6,4));
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data.push_back(point_type(4,6));
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data.push_back(point_type(0,6));
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data.push_back(point_type(0,0));
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data.push_back(point_type(4,4));
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data.push_back(point_type(5,4));
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polygon_type polygon(data.begin(), data.end());
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polygon_set_type pset;
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pset += polygon;
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BOOST_TEST_EQ(32.0, area(polygon));
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BOOST_TEST_EQ(32.0, area(polygon));
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}
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int main()
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{
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polygon_set_data_test1();
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polygon_set_data_test2();
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polygon_set_data_test3();
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return boost::report_errors();
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}
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