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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. | |
4 | // Copyright (c) 2008-2012 Bruno Lalande, Paris, France. | |
5 | // Copyright (c) 2009-2012 Mateusz Loskot, London, UK. | |
6 | ||
7 | // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library | |
8 | // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. | |
9 | ||
92f5a8d4 TL |
10 | // This file was modified by Oracle on 2018. |
11 | // Modifications copyright (c) 2018, Oracle and/or its affiliates. | |
12 | ||
13 | // Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle | |
14 | ||
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15 | // Use, modification and distribution is subject to the Boost Software License, |
16 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
17 | // http://www.boost.org/LICENSE_1_0.txt) | |
18 | ||
19 | #ifndef BOOST_GEOMETRY_ALGORITHMS_ASSIGN_VALUES_HPP | |
20 | #define BOOST_GEOMETRY_ALGORITHMS_ASSIGN_VALUES_HPP | |
21 | ||
22 | ||
23 | #include <cstddef> | |
24 | ||
25 | #include <boost/concept/requires.hpp> | |
26 | #include <boost/concept_check.hpp> | |
27 | #include <boost/mpl/assert.hpp> | |
28 | #include <boost/mpl/if.hpp> | |
29 | #include <boost/numeric/conversion/bounds.hpp> | |
30 | #include <boost/numeric/conversion/cast.hpp> | |
31 | ||
32 | #include <boost/geometry/arithmetic/arithmetic.hpp> | |
33 | #include <boost/geometry/algorithms/append.hpp> | |
34 | #include <boost/geometry/algorithms/clear.hpp> | |
35 | #include <boost/geometry/core/access.hpp> | |
36 | #include <boost/geometry/core/exterior_ring.hpp> | |
37 | #include <boost/geometry/core/tags.hpp> | |
38 | ||
39 | #include <boost/geometry/geometries/concepts/check.hpp> | |
40 | ||
41 | ||
92f5a8d4 | 42 | #include <boost/geometry/util/is_inverse_spheroidal_coordinates.hpp> |
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43 | #include <boost/geometry/util/for_each_coordinate.hpp> |
44 | ||
45 | ||
46 | namespace boost { namespace geometry | |
47 | { | |
48 | ||
49 | #ifndef DOXYGEN_NO_DETAIL | |
50 | namespace detail { namespace assign | |
51 | { | |
52 | ||
53 | ||
54 | template <std::size_t Index, std::size_t Dimension, std::size_t DimensionCount> | |
55 | struct initialize | |
56 | { | |
57 | template <typename Box> | |
58 | static inline void apply(Box& box, typename coordinate_type<Box>::type const& value) | |
59 | { | |
60 | geometry::set<Index, Dimension>(box, value); | |
61 | initialize<Index, Dimension + 1, DimensionCount>::apply(box, value); | |
62 | } | |
63 | }; | |
64 | ||
65 | ||
66 | template <std::size_t Index, std::size_t DimensionCount> | |
67 | struct initialize<Index, DimensionCount, DimensionCount> | |
68 | { | |
69 | template <typename Box> | |
70 | static inline void apply(Box&, typename coordinate_type<Box>::type const&) | |
71 | {} | |
72 | }; | |
73 | ||
74 | ||
75 | struct assign_zero_point | |
76 | { | |
77 | template <typename Point> | |
78 | static inline void apply(Point& point) | |
79 | { | |
80 | geometry::assign_value(point, 0); | |
81 | } | |
82 | }; | |
83 | ||
84 | ||
85 | struct assign_inverse_box_or_segment | |
86 | { | |
87 | ||
88 | template <typename BoxOrSegment> | |
89 | static inline void apply(BoxOrSegment& geometry) | |
90 | { | |
91 | typedef typename point_type<BoxOrSegment>::type point_type; | |
92 | typedef typename coordinate_type<point_type>::type bound_type; | |
93 | ||
94 | initialize<0, 0, dimension<BoxOrSegment>::type::value>::apply( | |
92f5a8d4 | 95 | geometry, geometry::bounds<bound_type>::highest() |
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96 | ); |
97 | initialize<1, 0, dimension<BoxOrSegment>::type::value>::apply( | |
92f5a8d4 | 98 | geometry, geometry::bounds<bound_type>::lowest() |
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99 | ); |
100 | } | |
92f5a8d4 | 101 | |
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102 | }; |
103 | ||
104 | ||
105 | struct assign_zero_box_or_segment | |
106 | { | |
107 | template <typename BoxOrSegment> | |
108 | static inline void apply(BoxOrSegment& geometry) | |
109 | { | |
110 | typedef typename coordinate_type<BoxOrSegment>::type coordinate_type; | |
111 | ||
112 | initialize<0, 0, dimension<BoxOrSegment>::type::value>::apply( | |
113 | geometry, coordinate_type() | |
114 | ); | |
115 | initialize<1, 0, dimension<BoxOrSegment>::type::value>::apply( | |
116 | geometry, coordinate_type() | |
117 | ); | |
118 | } | |
119 | }; | |
120 | ||
121 | ||
122 | template | |
123 | < | |
124 | std::size_t Corner1, std::size_t Corner2, | |
125 | typename Box, typename Point | |
126 | > | |
127 | inline void assign_box_2d_corner(Box const& box, Point& point) | |
128 | { | |
129 | // Be sure both are 2-Dimensional | |
130 | assert_dimension<Box, 2>(); | |
131 | assert_dimension<Point, 2>(); | |
132 | ||
133 | // Copy coordinates | |
134 | typedef typename coordinate_type<Point>::type coordinate_type; | |
135 | ||
136 | geometry::set<0>(point, boost::numeric_cast<coordinate_type>(get<Corner1, 0>(box))); | |
137 | geometry::set<1>(point, boost::numeric_cast<coordinate_type>(get<Corner2, 1>(box))); | |
138 | } | |
139 | ||
140 | ||
141 | ||
142 | template | |
143 | < | |
144 | typename Geometry, typename Point, | |
145 | std::size_t Index, | |
146 | std::size_t Dimension, std::size_t DimensionCount | |
147 | > | |
148 | struct assign_point_to_index | |
149 | { | |
150 | ||
151 | static inline void apply(Point const& point, Geometry& geometry) | |
152 | { | |
153 | geometry::set<Index, Dimension>(geometry, boost::numeric_cast | |
154 | < | |
155 | typename coordinate_type<Geometry>::type | |
156 | >(geometry::get<Dimension>(point))); | |
157 | ||
158 | assign_point_to_index | |
159 | < | |
160 | Geometry, Point, Index, Dimension + 1, DimensionCount | |
161 | >::apply(point, geometry); | |
162 | } | |
163 | }; | |
164 | ||
165 | template | |
166 | < | |
167 | typename Geometry, typename Point, | |
168 | std::size_t Index, | |
169 | std::size_t DimensionCount | |
170 | > | |
171 | struct assign_point_to_index | |
172 | < | |
173 | Geometry, Point, | |
174 | Index, | |
175 | DimensionCount, DimensionCount | |
176 | > | |
177 | { | |
178 | static inline void apply(Point const& , Geometry& ) | |
179 | { | |
180 | } | |
181 | }; | |
182 | ||
183 | ||
184 | template | |
185 | < | |
186 | typename Geometry, typename Point, | |
187 | std::size_t Index, | |
188 | std::size_t Dimension, std::size_t DimensionCount | |
189 | > | |
190 | struct assign_point_from_index | |
191 | { | |
192 | ||
193 | static inline void apply(Geometry const& geometry, Point& point) | |
194 | { | |
195 | geometry::set<Dimension>( point, boost::numeric_cast | |
196 | < | |
197 | typename coordinate_type<Point>::type | |
198 | >(geometry::get<Index, Dimension>(geometry))); | |
199 | ||
200 | assign_point_from_index | |
201 | < | |
202 | Geometry, Point, Index, Dimension + 1, DimensionCount | |
203 | >::apply(geometry, point); | |
204 | } | |
205 | }; | |
206 | ||
207 | template | |
208 | < | |
209 | typename Geometry, typename Point, | |
210 | std::size_t Index, | |
211 | std::size_t DimensionCount | |
212 | > | |
213 | struct assign_point_from_index | |
214 | < | |
215 | Geometry, Point, | |
216 | Index, | |
217 | DimensionCount, DimensionCount | |
218 | > | |
219 | { | |
220 | static inline void apply(Geometry const&, Point&) | |
221 | { | |
222 | } | |
223 | }; | |
224 | ||
225 | ||
226 | template <typename Geometry> | |
227 | struct assign_2d_box_or_segment | |
228 | { | |
229 | typedef typename coordinate_type<Geometry>::type coordinate_type; | |
230 | ||
231 | // Here we assign 4 coordinates to a box of segment | |
232 | // -> Most logical is: x1,y1,x2,y2 | |
233 | // In case the user reverses x1/x2 or y1/y2, for a box, we could reverse them (THAT IS NOT IMPLEMENTED) | |
234 | ||
235 | template <typename Type> | |
236 | static inline void apply(Geometry& geometry, | |
237 | Type const& x1, Type const& y1, Type const& x2, Type const& y2) | |
238 | { | |
239 | geometry::set<0, 0>(geometry, boost::numeric_cast<coordinate_type>(x1)); | |
240 | geometry::set<0, 1>(geometry, boost::numeric_cast<coordinate_type>(y1)); | |
241 | geometry::set<1, 0>(geometry, boost::numeric_cast<coordinate_type>(x2)); | |
242 | geometry::set<1, 1>(geometry, boost::numeric_cast<coordinate_type>(y2)); | |
243 | } | |
244 | }; | |
245 | ||
246 | ||
247 | }} // namespace detail::assign | |
248 | #endif // DOXYGEN_NO_DETAIL | |
249 | ||
250 | #ifndef DOXYGEN_NO_DISPATCH | |
251 | namespace dispatch | |
252 | { | |
253 | ||
254 | template <typename GeometryTag, typename Geometry, std::size_t DimensionCount> | |
255 | struct assign | |
256 | { | |
257 | BOOST_MPL_ASSERT_MSG | |
258 | ( | |
259 | false, NOT_OR_NOT_YET_IMPLEMENTED_FOR_THIS_GEOMETRY_TYPE | |
260 | , (types<Geometry>) | |
261 | ); | |
262 | }; | |
263 | ||
264 | template <typename Point> | |
265 | struct assign<point_tag, Point, 2> | |
266 | { | |
267 | typedef typename coordinate_type<Point>::type coordinate_type; | |
268 | ||
269 | template <typename T> | |
270 | static inline void apply(Point& point, T const& c1, T const& c2) | |
271 | { | |
272 | set<0>(point, boost::numeric_cast<coordinate_type>(c1)); | |
273 | set<1>(point, boost::numeric_cast<coordinate_type>(c2)); | |
274 | } | |
275 | }; | |
276 | ||
277 | template <typename Point> | |
278 | struct assign<point_tag, Point, 3> | |
279 | { | |
280 | typedef typename coordinate_type<Point>::type coordinate_type; | |
281 | ||
282 | template <typename T> | |
283 | static inline void apply(Point& point, T const& c1, T const& c2, T const& c3) | |
284 | { | |
285 | set<0>(point, boost::numeric_cast<coordinate_type>(c1)); | |
286 | set<1>(point, boost::numeric_cast<coordinate_type>(c2)); | |
287 | set<2>(point, boost::numeric_cast<coordinate_type>(c3)); | |
288 | } | |
289 | }; | |
290 | ||
291 | template <typename Box> | |
292 | struct assign<box_tag, Box, 2> | |
293 | : detail::assign::assign_2d_box_or_segment<Box> | |
294 | {}; | |
295 | ||
296 | template <typename Segment> | |
297 | struct assign<segment_tag, Segment, 2> | |
298 | : detail::assign::assign_2d_box_or_segment<Segment> | |
299 | {}; | |
300 | ||
301 | ||
302 | ||
303 | template <typename GeometryTag, typename Geometry> | |
304 | struct assign_zero {}; | |
305 | ||
306 | ||
307 | template <typename Point> | |
308 | struct assign_zero<point_tag, Point> | |
309 | : detail::assign::assign_zero_point | |
310 | {}; | |
311 | ||
312 | template <typename Box> | |
313 | struct assign_zero<box_tag, Box> | |
314 | : detail::assign::assign_zero_box_or_segment | |
315 | {}; | |
316 | ||
317 | template <typename Segment> | |
318 | struct assign_zero<segment_tag, Segment> | |
319 | : detail::assign::assign_zero_box_or_segment | |
320 | {}; | |
321 | ||
322 | ||
323 | template <typename GeometryTag, typename Geometry> | |
324 | struct assign_inverse {}; | |
325 | ||
326 | template <typename Box> | |
327 | struct assign_inverse<box_tag, Box> | |
328 | : detail::assign::assign_inverse_box_or_segment | |
329 | {}; | |
330 | ||
331 | template <typename Segment> | |
332 | struct assign_inverse<segment_tag, Segment> | |
333 | : detail::assign::assign_inverse_box_or_segment | |
334 | {}; | |
335 | ||
336 | ||
337 | } // namespace dispatch | |
338 | #endif // DOXYGEN_NO_DISPATCH | |
339 | ||
340 | }} // namespace boost::geometry | |
341 | ||
342 | ||
343 | #endif // BOOST_GEOMETRY_ALGORITHMS_ASSIGN_VALUES_HPP |