108 lines
2.5 KiB
C++
108 lines
2.5 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 <utility>
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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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using coord_type = T;
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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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using coord_type = T;
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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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vertex(vertex<T,2> && rhs) noexcept
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: x(std::move(rhs.x)),
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y(std::move(rhs.y)),
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cmd(std::move(rhs.cmd)) {}
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vertex(vertex<T,2> const& rhs)
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: x(rhs.x),
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y(rhs.y),
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cmd(rhs.cmd) {}
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template <typename T2>
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vertex(vertex<T2,2> const& 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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vertex<T,2>& operator=(vertex<T,2> rhs)
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{
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swap(rhs);
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return *this;
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}
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template <typename T2>
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vertex<T,2>& operator=(vertex<T2,2> const& rhs)
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{
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vertex<T,2> tmp(rhs);
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swap(tmp);
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return *this;
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}
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private:
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void swap(vertex<T,2> & rhs)
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{
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std::swap(this->x,rhs.x);
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std::swap(this->y,rhs.y);
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std::swap(this->cmd,rhs.cmd);
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}
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};
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using vertex2d = vertex<double,2>;
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using vertex2i = vertex<int,2>;
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}
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#endif // MAPNIK_VERTEX_HPP
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