/usr/include/mapnik/box2d.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.
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*
* 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_BOX2D_HPP
#define MAPNIK_BOX2D_HPP
// mapnik
#include <mapnik/config.hpp>
#include <mapnik/coord.hpp>
// boost
#include <boost/operators.hpp>
// agg
// forward declare so that apps using mapnik do not need agg headers
namespace agg {
struct trans_affine;
}
namespace mapnik {
/*!
* A spatial envelope (i.e. bounding box) which also defines some basic operators.
*/
template <typename T> class MAPNIK_DECL box2d
: boost::equality_comparable<box2d<T> ,
boost::addable<box2d<T>,
boost::dividable2<box2d<T>, T,
boost::multipliable2<box2d<T>, T > > > >
{
public:
using box2d_type = box2d<T>;
private:
T minx_;
T miny_;
T maxx_;
T maxy_;
friend inline void swap(box2d_type & lhs, box2d_type & rhs)
{
using std::swap;
swap(lhs.minx_, rhs.minx_);
swap(lhs.miny_, rhs.miny_);
swap(lhs.maxx_, rhs.maxx_);
swap(lhs.maxy_, rhs.maxy_);
}
public:
box2d();
box2d(T minx,T miny,T maxx,T maxy);
box2d(coord<T,2> const& c0, coord<T,2> const& c1);
box2d(box2d_type const& rhs);
box2d(box2d_type const& rhs, agg::trans_affine const& tr);
box2d(box2d_type&& rhs);
box2d_type& operator=(box2d_type other);
T minx() const;
T miny() const;
T maxx() const;
T maxy() const;
void set_minx(T v);
void set_miny(T v);
void set_maxx(T v);
void set_maxy(T v);
T width() const;
T height() const;
void width(T w);
void height(T h);
coord<T,2> center() const;
void expand_to_include(T x,T y);
void expand_to_include(coord<T,2> const& c);
void expand_to_include(box2d_type const& other);
bool contains(coord<T,2> const& c) const;
bool contains(T x,T y) const;
bool contains(box2d_type const& other) const;
bool intersects(coord<T,2> const& c) const;
bool intersects(T x,T y) const;
bool intersects(box2d_type const& other) const;
box2d_type intersect(box2d_type const& other) const;
bool operator==(box2d_type const& other) const;
void re_center(T cx,T cy);
void re_center(coord<T,2> const& c);
void init(T x0,T y0,T x1,T y1);
void clip(box2d_type const& other);
void pad(T padding);
bool from_string(std::string const& str);
bool valid() const;
void move(T x, T y);
std::string to_string() const;
// define some operators
box2d_type& operator+=(box2d_type const& other);
box2d_type& operator*=(T);
box2d_type& operator/=(T);
T operator[](int index) const;
box2d_type operator +(T other) const; //enlarge box by given amount
box2d_type& operator +=(T other); //enlarge box by given amount
// compute the bounding box of this one transformed
box2d_type operator* (agg::trans_affine const& tr) const;
box2d_type& operator*=(agg::trans_affine const& tr);
};
template <class charT,class traits,class T>
inline std::basic_ostream<charT,traits>&
operator << (std::basic_ostream<charT,traits>& out,
const box2d<T>& e)
{
out << e.to_string();
return out;
}
}
#endif // MAPNIK_BOX2D_HPP
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