mapnik/include/vertex.hh
2005-04-10 20:39:53 +00:00

110 lines
2.7 KiB
C++

/* This file is part of Mapnik (c++ mapping toolkit)
* Copyright (C) 2005 Artem Pavlenko
*
* Mapnik is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program 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 General Public License for more details.#include "memory.hh"
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
//$Id$
#ifndef VERTEX_HH
#define VERTEX_HH
#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_HH