111 lines
2.6 KiB
C++
111 lines
2.6 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2011 Artem Pavlenko
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#ifndef MAPNIK_COORD_ARRAY_HPP
|
|
#define MAPNIK_COORD_ARRAY_HPP
|
|
|
|
//mapnik
|
|
#include <mapnik/coord.hpp>
|
|
|
|
// stl
|
|
#include <cassert>
|
|
#include <cstring>
|
|
|
|
namespace mapnik {
|
|
template <typename T>
|
|
class coord_array
|
|
{
|
|
public:
|
|
using coord_type = T;
|
|
|
|
coord_array(unsigned size=0)
|
|
: pt_(static_cast<coord_type*>(size==0?0: ::operator new (sizeof(coord_type)*size))),
|
|
size_(size) {}
|
|
|
|
coord_array(coord_array const& rhs)
|
|
: pt_(static_cast<coord_type*>(rhs.size_==0?0: ::operator new (sizeof(coord_type)*rhs.size_))),
|
|
size_(rhs.size_) {
|
|
std::memcpy(pt_,rhs.pt_,sizeof(coord_type)*rhs.size_);
|
|
}
|
|
|
|
~coord_array()
|
|
{
|
|
::operator delete (pt_);
|
|
}
|
|
|
|
unsigned size() const
|
|
{
|
|
return size_;
|
|
}
|
|
|
|
void set(unsigned index,double x,double y)
|
|
{
|
|
assert(index<size_);
|
|
pt_[index].x=x;
|
|
pt_[index].y=y;
|
|
}
|
|
|
|
const coord_type& at(unsigned index) const
|
|
{
|
|
assert(index<size_);
|
|
return pt_[index];
|
|
}
|
|
|
|
const coord_type& operator[] (unsigned index) const
|
|
{
|
|
assert (index<size_);
|
|
return pt_[index];
|
|
}
|
|
|
|
coord_type& operator[] (unsigned index)
|
|
{
|
|
assert (index<size_);
|
|
return pt_[index];
|
|
}
|
|
|
|
coord_type const* begin() const
|
|
{
|
|
return pt_;
|
|
}
|
|
|
|
coord_type const* end() const
|
|
{
|
|
return pt_ + size_;
|
|
}
|
|
|
|
coord_type * begin()
|
|
{
|
|
return pt_;
|
|
}
|
|
coord_type * end()
|
|
{
|
|
return pt_ + size_;
|
|
}
|
|
private:
|
|
coord_array& operator=(const coord_array&);
|
|
coord_type* pt_;
|
|
const unsigned size_;
|
|
};
|
|
}
|
|
|
|
|
|
#endif // MAPNIK_COORD_ARRAY_HPP
|