third_party/boost/include/boost/polygon/polygon_90_data.hpp

/*
  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_DATA_HPP
#define BOOST_POLYGON_POLYGON_90_DATA_HPP
namespace boost { namespace polygon{
struct polygon_90_concept;
template <typename T>
class polygon_90_data {
public:
  typedef polygon_90_concept geometry_type;
  typedef T coordinate_type;
  typedef typename std::vector<coordinate_type>::const_iterator compact_iterator_type;
  typedef iterator_compact_to_points<compact_iterator_type, point_data<coordinate_type> > iterator_type;
  typedef typename coordinate_traits<T>::area_type area_type;

  inline polygon_90_data() : coords_() {} //do nothing default constructor

  // initialize a polygon from x,y values, it is assumed that the first is an x
  // and that the input is a well behaved polygon
  template<class iT>
  inline polygon_90_data& set(iT begin_point, iT end_point) {
    return set_compact(iterator_points_to_compact<iT, typename std::iterator_traits<iT>::value_type>(begin_point, end_point),
                       iterator_points_to_compact<iT, typename std::iterator_traits<iT>::value_type>(end_point, end_point));
  }

  template<class iT>
  inline polygon_90_data& set_compact(iT input_begin, iT input_end) {
    coords_.clear();  //just in case there was some old data there
    while(input_begin != input_end) {
       coords_.insert(coords_.end(), *input_begin);
       ++input_begin;
    }
    return *this;
  }

  // copy constructor (since we have dynamic memory)
  inline polygon_90_data(const polygon_90_data& that) : coords_(that.coords_) {}
  
  // assignment operator (since we have dynamic memory do a deep copy)
  inline polygon_90_data& operator=(const polygon_90_data& that) {
    coords_ = that.coords_;
    return *this;
  }

  template <typename T2>
  inline polygon_90_data& operator=(const T2& rvalue);

  // assignment operator (since we have dynamic memory do a deep copy)
  inline bool operator==(const polygon_90_data& that) const {
    return coords_ == that.coords_;
  }

  // get begin iterator, returns a pointer to a const Unit
  inline iterator_type begin() const { return iterator_type(coords_.begin(), coords_.end()); }

  // get end iterator, returns a pointer to a const Unit
  inline iterator_type end() const { return iterator_type(coords_.end(), coords_.end()); }

  // get begin iterator, returns a pointer to a const Unit
  inline compact_iterator_type begin_compact() const { return coords_.begin(); }
  
  // get end iterator, returns a pointer to a const Unit
  inline compact_iterator_type end_compact() const { return coords_.end(); }

  inline std::size_t size() const { return coords_.size(); }
  
private:
  std::vector<coordinate_type> coords_; 
};


}
}
#endif