122 lines
3.1 KiB
C++
122 lines
3.1 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2011 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#ifndef MAPNIK_VERTEX_HPP
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#define MAPNIK_VERTEX_HPP
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#include <sstream>
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namespace mapnik
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{
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enum CommandType {
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SEG_END = 0,
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SEG_MOVETO = 1,
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SEG_LINETO = 2,
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SEG_CLOSE = (0x40 | 0x0f)
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};
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template <typename T,int dim>
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struct vertex {
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typedef T coord_type;
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};
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template <typename T>
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struct vertex<T,2>
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{
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enum no_init_t { no_init };
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typedef T coord_type;
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coord_type x;
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coord_type y;
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unsigned cmd;
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vertex()
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: x(0),y(0),cmd(SEG_END) {}
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explicit vertex(no_init_t)
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{}
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vertex(coord_type x_,coord_type y_,unsigned cmd_)
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: x(x_),y(y_),cmd(cmd_) {}
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template <typename T2>
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vertex(const vertex<T2,2>& rhs)
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: x(coord_type(rhs.x)),
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y(coord_type(rhs.y)),
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cmd(rhs.cmd) {}
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template <typename T2> vertex<T,2> operator=(const vertex<T2,2>& rhs)
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{
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if (&cmd != &rhs.cmd)
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{
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x = coord_type(rhs.x);
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y = coord_type(rhs.y);
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cmd = rhs.cmd;
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}
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return *this;
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}
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};
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typedef vertex<double,2> vertex2d;
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typedef vertex<int,2> vertex2i;
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template <class charT,class traits,class T,int dim>
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inline std::basic_ostream<charT,traits>&
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operator << (std::basic_ostream<charT,traits>& out,
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const vertex<T,dim>& c);
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template <class charT,class traits,class T>
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inline std::basic_ostream<charT,traits>&
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operator << (std::basic_ostream<charT,traits>& out,
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const vertex<T,2>& v)
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{
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std::basic_ostringstream<charT,traits> s;
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s.copyfmt(out);
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s.width(0);
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switch (v.cmd)
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{
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case SEG_END: s << "End "; break;
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case SEG_MOVETO: s << "MoveTo "; break;
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case SEG_LINETO: s << "LineTo "; break;
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case SEG_CLOSE: s << "Close "; break;
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}
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s << "(" << v.x << ", " << v.y << ")";
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return out << s.str();
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}
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template <class charT,class traits,class T>
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inline std::basic_ostream<charT,traits>&
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operator << (std::basic_ostream<charT,traits>& out,
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const vertex<T,3>& v)
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{
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std::basic_ostringstream<charT,traits> s;
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s.copyfmt(out);
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s.width(0);
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s<<"vertex3("<<v.x<<","<<v.y<<","<<v.z<<",cmd="<<v.cmd<<")";
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out << s.str();
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return out;
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}
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}
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#endif // MAPNIK_VERTEX_HPP
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