92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2017 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
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#ifndef MAPNIK_VERTEX_HPP
|
|
#define MAPNIK_VERTEX_HPP
|
|
|
|
#include <utility>
|
|
#include <cstdint>
|
|
|
|
namespace mapnik
|
|
{
|
|
|
|
enum CommandType : std::uint8_t {
|
|
SEG_END = 0,
|
|
SEG_MOVETO = 1,
|
|
SEG_LINETO = 2,
|
|
SEG_CLOSE = (0x40 | 0x0f)
|
|
};
|
|
|
|
|
|
template <typename T,int dim>
|
|
struct vertex {
|
|
using coordinate_type = T;
|
|
};
|
|
|
|
template <typename T>
|
|
struct vertex<T,2>
|
|
{
|
|
enum no_init_t : std::uint8_t { no_init };
|
|
|
|
using coordinate_type = T;
|
|
coordinate_type x;
|
|
coordinate_type y;
|
|
unsigned cmd;
|
|
|
|
vertex()
|
|
: x(0),y(0),cmd(SEG_END) {}
|
|
|
|
explicit vertex(no_init_t)
|
|
{}
|
|
|
|
vertex(coordinate_type x_,coordinate_type y_,unsigned cmd_)
|
|
: x(x_),y(y_),cmd(cmd_) {}
|
|
|
|
template <typename T2>
|
|
vertex(vertex<T2,2> const& rhs)
|
|
: x(coordinate_type(rhs.x)),
|
|
y(coordinate_type(rhs.y)),
|
|
cmd(rhs.cmd) {}
|
|
|
|
template <typename T2>
|
|
vertex<T,2>& operator=(vertex<T2,2> const& rhs)
|
|
{
|
|
vertex<T,2> tmp(rhs);
|
|
swap(tmp);
|
|
return *this;
|
|
}
|
|
|
|
private:
|
|
void swap(vertex<T,2> & rhs)
|
|
{
|
|
std::swap(this->x,rhs.x);
|
|
std::swap(this->y,rhs.y);
|
|
std::swap(this->cmd,rhs.cmd);
|
|
}
|
|
};
|
|
|
|
using vertex2d = vertex<double,2>;
|
|
using vertex2i = vertex<int,2>;
|
|
|
|
}
|
|
|
|
#endif // MAPNIK_VERTEX_HPP
|