ceph/src/boost/libs/polygon/include/boost/polygon/polygon_90_data.hpp

   1 /*
   2   Copyright 2008 Intel Corporation
   3
   4   Use, modification and distribution are subject to the Boost Software License,
   5   Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6   http://www.boost.org/LICENSE_1_0.txt).
   7 */
   8 #ifndef BOOST_POLYGON_POLYGON_90_DATA_HPP
   9 #define BOOST_POLYGON_POLYGON_90_DATA_HPP
  10 namespace boost { namespace polygon{
  11 struct polygon_90_concept;
  12 template <typename T>
  13 class polygon_90_data {
  14 public:
  15   typedef polygon_90_concept geometry_type;
  16   typedef T coordinate_type;
  17   typedef typename std::vector<coordinate_type>::const_iterator compact_iterator_type;
  18   typedef iterator_compact_to_points<compact_iterator_type, point_data<coordinate_type> > iterator_type;
  19   typedef typename coordinate_traits<T>::area_type area_type;
  20
  21   inline polygon_90_data() : coords_() {} //do nothing default constructor
  22
  23   // initialize a polygon from x,y values, it is assumed that the first is an x
  24   // and that the input is a well behaved polygon
  25   template<class iT>
  26   inline polygon_90_data& set(iT begin_point, iT end_point) {
  27     return set_compact(iterator_points_to_compact<iT, typename std::iterator_traits<iT>::value_type>(begin_point, end_point),
  28                        iterator_points_to_compact<iT, typename std::iterator_traits<iT>::value_type>(end_point, end_point));
  29   }
  30
  31   template<class iT>
  32   inline polygon_90_data& set_compact(iT input_begin, iT input_end) {
  33     coords_.clear();  //just in case there was some old data there
  34     while(input_begin != input_end) {
  35        coords_.insert(coords_.end(), *input_begin);
  36        ++input_begin;
  37     }
  38     return *this;
  39   }
  40
  41   // copy constructor (since we have dynamic memory)
  42   inline polygon_90_data(const polygon_90_data& that) : coords_(that.coords_) {}
  43
  44   // assignment operator (since we have dynamic memory do a deep copy)
  45   inline polygon_90_data& operator=(const polygon_90_data& that) {
  46     coords_ = that.coords_;
  47     return *this;
  48   }
  49
  50   template <typename T2>
  51   inline polygon_90_data& operator=(const T2& rvalue);
  52
  53   // assignment operator (since we have dynamic memory do a deep copy)
  54   inline bool operator==(const polygon_90_data& that) const {
  55     return coords_ == that.coords_;
  56   }
  57
  58   // get begin iterator, returns a pointer to a const Unit
  59   inline iterator_type begin() const { return iterator_type(coords_.begin(), coords_.end()); }
  60
  61   // get end iterator, returns a pointer to a const Unit
  62   inline iterator_type end() const { return iterator_type(coords_.end(), coords_.end()); }
  63
  64   // get begin iterator, returns a pointer to a const Unit
  65   inline compact_iterator_type begin_compact() const { return coords_.begin(); }
  66
  67   // get end iterator, returns a pointer to a const Unit
  68   inline compact_iterator_type end_compact() const { return coords_.end(); }
  69
  70   inline std::size_t size() const { return coords_.size(); }
  71
  72 private:
  73   std::vector<coordinate_type> coords_;
  74 };
  75
  76
  77 }
  78 }
  79 #endif