polygon_90_set_traits.hpp 16.2 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362
/*
  Copyright 2008 Intel Corporation
 
  Use, modification and distribution are subject to the Boost Software License,
  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  http://www.boost.org/LICENSE_1_0.txt).
*/
#ifndef BOOST_POLYGON_POLYGON_90_SET_TRAITS_HPP
#define BOOST_POLYGON_POLYGON_90_SET_TRAITS_HPP
namespace boost { namespace polygon{

  struct polygon_90_set_concept {};

  template <typename T, typename T2>
  struct traits_by_concept {};
  template <typename T>
  struct traits_by_concept<T, coordinate_concept> { typedef coordinate_traits<T> type; };
  template <typename T>
  struct traits_by_concept<T, interval_concept> { typedef interval_traits<T> type; };
  template <typename T>
  struct traits_by_concept<T, point_concept> { typedef point_traits<T> type; };
  template <typename T>
  struct traits_by_concept<T, point_3d_concept> { typedef point_3d_traits<T> type; };
  template <typename T>
  struct traits_by_concept<T, rectangle_concept> { typedef rectangle_traits<T> type; };
  template <typename T>
  struct traits_by_concept<T, polygon_90_concept> { typedef polygon_traits<T> type; };
  template <typename T>
  struct traits_by_concept<T, polygon_90_with_holes_concept> { typedef polygon_traits<T> type; };
  template <typename T>
  struct traits_by_concept<T, polygon_45_concept> { typedef polygon_traits<T> type; };
  template <typename T>
  struct traits_by_concept<T, polygon_45_with_holes_concept> { typedef polygon_traits<T> type; };
  template <typename T>
  struct traits_by_concept<T, polygon_concept> { typedef polygon_traits<T> type; };
  template <typename T>
  struct traits_by_concept<T, polygon_with_holes_concept> { typedef polygon_traits<T> type; };

  struct polygon_45_set_concept;
  struct polygon_set_concept;
  template <typename T>
  struct polygon_90_set_traits;
  template <typename T>
  struct polygon_45_set_traits;
  template <typename T>
  struct polygon_set_traits;
  template <typename T>
  struct traits_by_concept<T, polygon_90_set_concept> { typedef polygon_90_set_traits<T> type; };
  template <typename T>
  struct traits_by_concept<T, polygon_45_set_concept> { typedef polygon_45_set_traits<T> type; };
  template <typename T>
  struct traits_by_concept<T, polygon_set_concept> { typedef polygon_set_traits<T> type; };

  template <typename T, typename T2>
  struct get_coordinate_type {
    typedef typename traits_by_concept<T, T2>::type traits_type;
    typedef typename traits_type::coordinate_type type;
  };
  //want to prevent recursive template definition syntax errors, so duplicate get_coordinate_type
  template <typename T, typename T2>
  struct get_coordinate_type_2 {
    typedef typename traits_by_concept<T, T2>::type traits_type;
    typedef typename traits_type::coordinate_type type;
  };
  template <typename T>
  struct get_coordinate_type<T, undefined_concept> { 
    typedef typename get_coordinate_type_2<typename std::iterator_traits
                                           <typename T::iterator>::value_type,
                                           typename geometry_concept<typename std::iterator_traits
                                                                     <typename T::iterator>::value_type>::type>::type type; };

  template <typename T, typename T2>
  struct get_iterator_type_2 {
    typedef const T* type;    
    static type begin(const T& t) { return &t; }
    static type end(const T& t) { const T* tp = &t; ++tp; return tp; }
  };
  template <typename T>
  struct get_iterator_type {
    typedef get_iterator_type_2<T, typename geometry_concept<T>::type> indirect_type;
    typedef typename indirect_type::type type;
    static type begin(const T& t) { return indirect_type::begin(t); }
    static type end(const T& t) { return indirect_type::end(t); }
  };
  template <typename T>
  struct get_iterator_type_2<T, undefined_concept> {
    typedef typename T::const_iterator type;
    static type begin(const T& t) { return t.begin(); }
    static type end(const T& t) { return t.end(); }
  };
 
//   //helpers for allowing polygon 45 and containers of polygon 45 to behave interchangably in polygon_45_set_traits
//   template <typename T, typename T2>
//   struct get_coordinate_type_45 {};
//   template <typename T, typename T2>
//   struct get_coordinate_type_2_45 {};
//   template <typename T>
//   struct get_coordinate_type_45<T, void> {
//     typedef typename get_coordinate_type_2_45< typename T::value_type, typename geometry_concept<typename T::value_type>::type >::type type; };
//   template <typename T>
//   struct get_coordinate_type_45<T, polygon_45_concept> { typedef typename polygon_traits<T>::coordinate_type type; };
//   template <typename T>
//   struct get_coordinate_type_45<T, polygon_45_with_holes_concept> { typedef typename polygon_traits<T>::coordinate_type type; };
//   template <typename T>
//   struct get_coordinate_type_2_45<T, polygon_45_concept> { typedef typename polygon_traits<T>::coordinate_type type; };
//   template <typename T>
//   struct get_coordinate_type_2_45<T, polygon_45_with_holes_concept> { typedef typename polygon_traits<T>::coordinate_type type; };
//   template <typename T, typename T2>
//   struct get_iterator_type_45 {};
//   template <typename T>
//   struct get_iterator_type_45<T, void> {
//     typedef typename T::const_iterator type; 
//     static type begin(const T& t) { return t.begin(); }
//     static type end(const T& t) { return t.end(); }
//   };
//   template <typename T>
//   struct get_iterator_type_45<T, polygon_45_concept> { 
//     typedef const T* type;    
//     static type begin(const T& t) { return &t; }
//     static type end(const T& t) { const T* tp = &t; ++tp; return tp; }
//   };
//   template <typename T>
//   struct get_iterator_type_45<T, polygon_45_with_holes_concept> { 
//     typedef const T* type; 
//     static type begin(const T& t) { return &t; }
//     static type end(const T& t) { const T* tp = &t; ++tp; return tp; }
//   };
//   template <typename T>
//   struct get_iterator_type_45<T, polygon_90_set_concept> { 
//     typedef const T* type; 
//     static type begin(const T& t) { return &t; }
//     static type end(const T& t) { const T* tp = &t; ++tp; return tp; }
//   };

  template <typename T>
  struct polygon_90_set_traits {
    typedef typename get_coordinate_type<T, typename geometry_concept<T>::type >::type coordinate_type;
    typedef get_iterator_type<T> indirection_type;
    typedef typename get_iterator_type<T>::type iterator_type;
    typedef T operator_arg_type;

    static inline iterator_type begin(const T& polygon_set) {
      return indirection_type::begin(polygon_set);
    }

    static inline iterator_type end(const T& polygon_set) {
      return indirection_type::end(polygon_set);
    }

    static inline orientation_2d orient(const T&) { return HORIZONTAL; }

    static inline bool clean(const T&) { return false; }

    static inline bool sorted(const T&) { return false; }
  };

  template <typename T>
  struct is_manhattan_polygonal_concept { typedef gtl_no type; };
  template <>
  struct is_manhattan_polygonal_concept<rectangle_concept> { typedef gtl_yes type; };
  template <>
  struct is_manhattan_polygonal_concept<polygon_90_concept> { typedef gtl_yes type; };
  template <>
  struct is_manhattan_polygonal_concept<polygon_90_with_holes_concept> { typedef gtl_yes type; };
  template <>
  struct is_manhattan_polygonal_concept<polygon_90_set_concept> { typedef gtl_yes type; };

  template <typename T>
  struct is_polygon_90_set_type {
    typedef typename is_manhattan_polygonal_concept<typename geometry_concept<T>::type>::type type;
  };
  template <typename T>
  struct is_polygon_90_set_type<std::list<T> > { 
    typedef typename gtl_or<
      typename is_manhattan_polygonal_concept<typename geometry_concept<std::list<T> >::type>::type,
      typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::list<T>::value_type>::type>::type>::type type;
  };
  template <typename T>
  struct is_polygon_90_set_type<std::vector<T> > { 
    typedef typename gtl_or<
      typename is_manhattan_polygonal_concept<typename geometry_concept<std::vector<T> >::type>::type,
      typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type;
  };

  template <typename T>
  struct is_mutable_polygon_90_set_type {
    typedef typename gtl_same_type<polygon_90_set_concept, typename geometry_concept<T>::type>::type type;
  };
  template <typename T>
  struct is_mutable_polygon_90_set_type<std::list<T> > { 
    typedef typename gtl_or<
      typename gtl_same_type<polygon_90_set_concept, typename geometry_concept<std::list<T> >::type>::type, 
      typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::list<T>::value_type>::type>::type>::type type;
  };
  template <typename T>
  struct is_mutable_polygon_90_set_type<std::vector<T> > { 
    typedef typename gtl_or<
      typename gtl_same_type<polygon_90_set_concept, typename geometry_concept<std::vector<T> >::type>::type, 
      typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type;
  };

//   //specialization for rectangle, polygon_90 and polygon_90_with_holes types
//   template <typename T>
//   struct polygon_90_set_traits
//     typedef typename geometry_concept<T>::type concept_type;
//     typedef typename get_coordinate_type<T, concept_type>::type coordinate_type;
//     typedef iterator_geometry_to_set<concept_type, T> iterator_type;
//     typedef T operator_arg_type;

//     static inline iterator_type begin(const T& polygon_set) {
//       return iterator_geometry_to_set<concept_type, T>(polygon_set, LOW, HORIZONTAL);
//     }

//     static inline iterator_type end(const T& polygon_set) {
//       return iterator_geometry_to_set<concept_type, T>(polygon_set, HIGH, HORIZONTAL);
//     }

//     static inline orientation_2d orient(const T& polygon_set) { return HORIZONTAL; }

//     static inline bool clean(const T& polygon_set) { return false; }

//     static inline bool sorted(const T& polygon_set) { return false; }

//   };

//   //specialization for containers of recangle, polygon_90, polygon_90_with_holes
//   template <typename T>
//   struct polygon_90_set_traits<T, typename is_manhattan_polygonal_concept<typename std::iterator_traits<typename T::iterator>::value_type>::type> {
//     typedef typename std::iterator_traits<typename T::iterator>::value_type geometry_type;
//     typedef typename geometry_concept<geometry_type>::type concept_type;
//     typedef typename get_coordinate_type<geometry_type, concept_type>::type coordinate_type;
//     typedef iterator_geometry_range_to_set<concept_type, typename T::const_iterator> iterator_type;
//     typedef T operator_arg_type;

//     static inline iterator_type begin(const T& polygon_set) {
//       return iterator_type(polygon_set.begin(), HORIZONTAL);
//     }

//     static inline iterator_type end(const T& polygon_set) {
//       return iterator_type(polygon_set.end(), HORIZONTAL);
//     }

//     static inline orientation_2d orient(const T& polygon_set) { return HORIZONTAL; }

//     static inline bool clean(const T& polygon_set) { return false; }

//     static inline bool sorted(const T& polygon_set) { return false; }

//   };

  //get dispatch functions
  template <typename output_container_type, typename pst>
  void get_90_dispatch(output_container_type& output, const pst& ps,
                       orientation_2d orient, rectangle_concept ) {
    form_rectangles(output, ps.begin(), ps.end(), orient, rectangle_concept());
  }

  template <typename output_container_type, typename pst>
  void get_90_dispatch(output_container_type& output, const pst& ps,
                       orientation_2d orient, polygon_90_concept tag) {
    get_polygons(output, ps.begin(), ps.end(), orient, true, tag);
  }

  template <typename output_container_type, typename pst>
  void get_90_dispatch(output_container_type& output, const pst& ps,
                       orientation_2d orient, polygon_90_with_holes_concept tag) {
    get_polygons(output, ps.begin(), ps.end(), orient, false, tag);
  }

  //by default works with containers of rectangle, polygon or polygon with holes
  //must be specialized to work with anything else
  template <typename T>
  struct polygon_90_set_mutable_traits {};
  template <typename T>
  struct polygon_90_set_mutable_traits<std::list<T> > {
    typedef typename geometry_concept<T>::type concept_type;
    template <typename input_iterator_type>
    static inline void set(std::list<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end, orientation_2d orient) {
      polygon_set.clear();
      polygon_90_set_data<typename polygon_90_set_traits<std::list<T> >::coordinate_type> ps(orient);
      ps.insert(input_begin, input_end, orient);
      ps.clean();
      get_90_dispatch(polygon_set, ps, orient, concept_type());
    }
  };
  template <typename T>
  struct polygon_90_set_mutable_traits<std::vector<T> > {
    typedef typename geometry_concept<T>::type concept_type;
    template <typename input_iterator_type>
    static inline void set(std::vector<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end, orientation_2d orient) {
      polygon_set.clear();
      polygon_90_set_data<typename polygon_90_set_traits<std::list<T> >::coordinate_type> ps(orient);
      ps.insert(input_begin, input_end, orient);
      ps.clean();
      get_90_dispatch(polygon_set, ps, orient, concept_type());
    }
  };

  template <typename T>
  struct polygon_90_set_mutable_traits<polygon_90_set_data<T> > {

    template <typename input_iterator_type>
    static inline void set(polygon_90_set_data<T>& polygon_set, 
                           input_iterator_type input_begin, input_iterator_type input_end, 
                           orientation_2d orient) {
      polygon_set.clear();
      polygon_set.insert(input_begin, input_end, orient);
    }

  };

  template <typename T>
  struct polygon_90_set_traits<polygon_90_set_data<T> > {
    typedef typename polygon_90_set_data<T>::coordinate_type coordinate_type;
    typedef typename polygon_90_set_data<T>::iterator_type iterator_type;
    typedef typename polygon_90_set_data<T>::operator_arg_type operator_arg_type;

    static inline iterator_type begin(const polygon_90_set_data<T>& polygon_set) {
      return polygon_set.begin();
    }

    static inline iterator_type end(const polygon_90_set_data<T>& polygon_set) {
      return polygon_set.end();
    }

    static inline orientation_2d orient(const polygon_90_set_data<T>& polygon_set) { return polygon_set.orient(); }

    static inline bool clean(const polygon_90_set_data<T>& polygon_set) { polygon_set.clean(); return true; }

    static inline bool sorted(const polygon_90_set_data<T>& polygon_set) { polygon_set.sort(); return true; }

  };

  template <typename T>
  struct is_polygon_90_set_concept { };
  template <>
  struct is_polygon_90_set_concept<polygon_90_set_concept> { typedef gtl_yes type; };
  template <>
  struct is_polygon_90_set_concept<rectangle_concept> { typedef gtl_yes type; };
  template <>
  struct is_polygon_90_set_concept<polygon_90_concept> { typedef gtl_yes type; };
  template <>
  struct is_polygon_90_set_concept<polygon_90_with_holes_concept> { typedef gtl_yes type; };
  
  template <typename T>
  struct is_mutable_polygon_90_set_concept { typedef gtl_no type; };
  template <>
  struct is_mutable_polygon_90_set_concept<polygon_90_set_concept> { typedef gtl_yes type; };
  
  template <typename T>
  struct geometry_concept<polygon_90_set_data<T> > { typedef polygon_90_set_concept type; };
  
  //template <typename T>
  //typename enable_if<typename is_polygon_90_set_type<T>::type, void>::type
  //print_is_polygon_90_set_concept(const T& t) { std::cout << "is polygon 90 set concept\n"; }
  //template <typename T>
  //typename enable_if<typename is_mutable_polygon_90_set_type<T>::type, void>::type
  //print_is_mutable_polygon_90_set_concept(const T& t) { std::cout << "is mutable polygon 90 set concept\n"; }
}
}
#endif