1 // Boost.Geometry (aka GGL, Generic Geometry Library)
2 // Unit Test
3
4 // Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
5 // Copyright (c) 2008-2015 Bruno Lalande, Paris, France.
6 // Copyright (c) 2009-2015 Mateusz Loskot, London, UK.
7
8 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
9 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
10
11 // Use, modification and distribution is subject to the Boost Software License,
12 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
13 // http://www.boost.org/LICENSE_1_0.txt)
14
15 #include <iostream>
16 #include <sstream>
17
18 #include <geometry_test_common.hpp>
19
20 #include <boost/geometry/algorithms/transform.hpp>
21 #include <boost/geometry/strategies/strategies.hpp>
22 #include <boost/geometry/geometries/geometries.hpp>
23 #include <boost/geometry/geometries/point_xy.hpp>
24
25 #include <boost/geometry/io/wkt/wkt.hpp>
26
27
28 // This test is a little different from transform.cpp test.
29 // This test explicitly tests all geometries, including multi*
30 // while the transform.cpp tests various strategies.
31
32 template <typename Geometry>
test_transform(std::string const & wkt,std::string const & expected)33 void test_transform(std::string const& wkt, std::string const& expected)
34 {
35 typedef typename bg::coordinate_type<Geometry>::type coordinate_type;
36 const std::size_t dim = bg::dimension<Geometry>::value;
37
38 Geometry geometry_in, geometry_out;
39 bg::read_wkt(wkt, geometry_in);
40 bg::transform(geometry_in, geometry_out,
41 bg::strategy::transform::scale_transformer<coordinate_type, dim, dim>(2, 2));
42 std::ostringstream detected;
43 detected << bg::wkt(geometry_out);
44 BOOST_CHECK_EQUAL(detected.str(), expected);
45 }
46
47
48 template <typename T>
test_all()49 void test_all()
50 {
51 typedef bg::model::d2::point_xy<T> P;
52
53 test_transform<P>(
54 "POINT(1 1)",
55 "POINT(2 2)");
56 test_transform<bg::model::linestring<P> >(
57 "LINESTRING(1 1,2 2)",
58 "LINESTRING(2 2,4 4)");
59 test_transform<bg::model::segment<P> >(
60 "LINESTRING(1 1,2 2)",
61 "LINESTRING(2 2,4 4)");
62 test_transform<bg::model::ring<P> >(
63 "POLYGON((0 0,0 1,1 0,0 0))",
64 "POLYGON((0 0,0 2,2 0,0 0))");
65 test_transform<bg::model::polygon<P> >(
66 "POLYGON((0 0,0 1,1 0,0 0))",
67 "POLYGON((0 0,0 2,2 0,0 0))");
68 test_transform<bg::model::box<P> >(
69 "POLYGON((0 0,0 1,1 1,1 0,0 0))",
70 "POLYGON((0 0,0 2,2 2,2 0,0 0))");
71 test_transform<bg::model::multi_point<P> >(
72 "MULTIPOINT((1 1),(2 2))",
73 "MULTIPOINT((2 2),(4 4))");
74 test_transform<bg::model::multi_linestring<bg::model::linestring<P> > >(
75 "MULTILINESTRING((1 1,2 2))",
76 "MULTILINESTRING((2 2,4 4))");
77 test_transform<bg::model::multi_polygon<bg::model::polygon<P> > >(
78 "MULTIPOLYGON(((0 0,0 1,1 0,0 0)))",
79 "MULTIPOLYGON(((0 0,0 2,2 0,0 0)))");
80 }
81
82
test_main(int,char * [])83 int test_main(int, char* [])
84 {
85 test_all<double>();
86
87 return 0;
88 }
89