mapnik/include/coord.hpp
2006-03-31 10:32:02 +00:00

135 lines
3.2 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 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
*
*****************************************************************************/
//$Id: coord.hpp 39 2005-04-10 20:39:53Z pavlenko $
#ifndef COORD_HPP
#define COORD_HPP
#include <iostream>
#include <sstream>
namespace mapnik
{
template <typename T,int dim>
struct coord {
typedef T type;
};
template <typename T>
struct coord<T,2>
{
typedef T type;
T x;
T y;
public:
coord()
: x(),y() {}
coord(T x,T y)
: x(x),y(y) {}
template <typename T2>
coord (const coord<T2,2>& rhs)
: x(type(rhs.x)),
y(type(rhs.y)) {}
template <typename T2>
coord<T,2>& operator=(const coord<T2,2>& rhs)
{
if ((void*)this==(void*)&rhs)
{
return *this;
}
x=type(rhs.x);
y=type(rhs.y);
return *this;
}
};
template <typename T>
struct coord<T,3>
{
typedef T type;
T x;
T y;
T z;
public:
coord()
: x(),y(),z() {}
coord(T x,T y,T z)
: x(x),y(y),z(z) {}
template <typename T2>
coord (const coord<T2,3>& rhs)
: x(type(rhs.x)),
y(type(rhs.y)),
z(type(rhs.z)) {}
template <typename T2>
coord<T,3>& operator=(const coord<T2,3>& rhs)
{
if ((void*)this==(void*)&rhs)
{
return *this;
}
x=type(rhs.x);
y=type(rhs.y);
z=type(rhs.z);
return *this;
}
};
typedef coord<double,2> coord2d;
typedef coord<int,2> coord2i;
template <typename charT,typename traits,typename T ,int dim>
inline std::basic_ostream<charT,traits>&
operator << (std::basic_ostream<charT,traits>& out,
const coord<T,dim>& c);
template <typename charT,typename traits,typename T>
inline std::basic_ostream<charT,traits>&
operator << (std::basic_ostream<charT,traits>& out,
const coord<T,2>& c)
{
std::basic_ostringstream<charT,traits> s;
s.copyfmt(out);
s.width(0);
s<<"coord2("<<c.x<<","<<c.y<<")";
out << s.str();
return out;
}
template <typename charT,typename traits,typename T>
inline std::basic_ostream<charT,traits>&
operator << (std::basic_ostream<charT,traits>& out,
const coord<T,3>& c)
{
std::basic_ostringstream<charT,traits> s;
s.copyfmt(out);
s.width(0);
s<<"coord3("<<c.x<<","<<c.y<<","<<c.z<<")";
out << s.str();
return out;
}
}
#endif // COORD_HPP