mapnik/include/envelope.hpp

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2005-06-14 15:06:59 +00:00
/* This file is part of Mapnik (c++ mapping toolkit)
* Copyright (C) 2005 Artem Pavlenko
*
* Mapnik is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
//$Id: envelope.hpp 39 2005-04-10 20:39:53Z pavlenko $
#ifndef ENVELOPE_HPP
#define ENVELOPE_HPP
#include "coord.hpp"
namespace mapnik
{
template <class T> class Envelope
{
public:
typedef Envelope<T> EnvelopeType;
private:
T minx_;
T miny_;
T maxx_;
T maxy_;
public:
Envelope();
Envelope(T minx,T miny,T maxx,T maxy);
Envelope(const coord<T,2>& c0,const coord<T,2>& c1);
Envelope(const EnvelopeType& rhs);
T minx() const;
T miny() const;
T maxx() const;
T maxy() const;
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(const coord<T,2>& c);
void expand_to_include(const EnvelopeType& other);
bool contains(const coord<T,2> &c) const;
bool contains(T x,T y) const;
bool contains(const EnvelopeType &other) const;
bool intersects(const coord<T,2> &c) const;
bool intersects(T x,T y) const;
bool intersects(const EnvelopeType &other) const;
EnvelopeType intersect(const EnvelopeType& other) const;
bool operator==(const EnvelopeType &other) const;
void re_center(T cx,T cy);
void init(T x0,T y0,T x1,T y1);
};
template <class charT,class traits,class T>
inline std::basic_ostream<charT,traits>&
operator << (std::basic_ostream<charT,traits>& out,
const Envelope<T>& e)
{
std::basic_ostringstream<charT,traits> s;
s.copyfmt(out);
s.width(0);
s<<"Envelope("<<e.minx()<<","<<e.miny()<<","<<e.maxx()<<","<<e.maxy()<<")";
out << s.str();
return out;
}
}
#endif // ENVELOPE_HPP