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

113 lines
2.9 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: vertex.hpp 39 2005-04-10 20:39:53Z pavlenko $
#ifndef VERTEX_HPP
#define VERTEX_HPP
#include <iostream>
#include <sstream>
namespace mapnik
{
enum
{
SEG_END =0,
SEG_MOVETO=1,
SEG_LINETO=2,
SEG_CLOSE =3
};
template <typename T,int dim>
struct vertex {
typedef T type;
};
template <typename T>
struct vertex<T,2>
{
typedef T type;
T x;
T y;
unsigned cmd;
vertex()
: x(0),y(0),cmd(SEG_END) {}
vertex(T x,T y,unsigned cmd)
: x(x),y(y),cmd(cmd) {}
template <typename T2>
vertex(const vertex<T2,2>& rhs)
: x(type(rhs.x)),
y(type(rhs.y)),
cmd(rhs.cmd) {}
template <typename T2> vertex<T,2> operator=(const vertex<T2,2>& rhs)
{
if ((void*)this == (void*)&rhs)
{
return *this;
}
x=type(rhs.x);
y=type(rhs.y);
cmd=rhs.cmd;
return *this;
}
};
typedef vertex<double,2> vertex2d;
typedef vertex<int,2> vertex2i;
template <class charT,class traits,class T,int dim>
inline std::basic_ostream<charT,traits>&
operator << (std::basic_ostream<charT,traits>& out,
const vertex<T,dim>& c);
template <class charT,class traits,class T>
inline std::basic_ostream<charT,traits>&
operator << (std::basic_ostream<charT,traits>& out,
const vertex<T,2>& v)
{
std::basic_ostringstream<charT,traits> s;
s.copyfmt(out);
s.width(0);
s<<"vertex2("<<v.x<<","<<v.y<<",cmd="<<v.cmd<<" )";
out << s.str();
return out;
}
template <class charT,class traits,class T>
inline std::basic_ostream<charT,traits>&
operator << (std::basic_ostream<charT,traits>& out,
const vertex<T,3>& v)
{
std::basic_ostringstream<charT,traits> s;
s.copyfmt(out);
s.width(0);
s<<"vertex3("<<v.x<<","<<v.y<<","<<v.z<<",cmd="<<v.cmd<<")";
out << s.str();
return out;
}
}
#endif // VERTEX_HPP