/usr/include/mapnik/pixel_position.hpp is in libmapnik-dev 3.0.9+ds-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | /*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 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_PIXEL_POSITION_HPP
#define MAPNIK_PIXEL_POSITION_HPP
// stl
#include <cmath>
namespace mapnik
{
struct rotation;
struct pixel_position
{
double x;
double y;
pixel_position(double x_, double y_)
: x(x_),
y(y_) {}
pixel_position()
: x(0),
y(0) {}
pixel_position operator+ (pixel_position const& other) const
{
return pixel_position(x + other.x, y + other.y);
}
pixel_position operator- (pixel_position const& other) const
{
return pixel_position(x - other.x, y - other.y);
}
pixel_position operator* (double other) const
{
return pixel_position(x * other, y * other);
}
void set(double x_, double y_)
{
x = x_;
y = y_;
}
void clear()
{
x = 0;
y = 0;
}
pixel_position rotate(rotation const& rot) const;
pixel_position operator~() const
{
return pixel_position(x, -y);
}
double length()
{
return std::sqrt(x * x + y * y);
}
};
inline pixel_position operator* (double factor, pixel_position const& pos)
{
return pixel_position(factor * pos.x, factor * pos.y);
}
}
#endif // MAPNIK_PIXEL_POSITION_HPP
|