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