64d5153aea
- Implementation by @herm for GSOC 2012 (http://mapnik.org/news/2012/10/06/gsoc2012-status9/) - C++11 port, improvements, optimizations by @artemp - Testing and integration with master by @springmeyer - Thank you to all the support from @behdad along the way - Thanks for help testing @toton6868, @stephankn, @nirvn, @mfrasca, @simonsonc and many others Refs: #2073,#2070,#2038,#2037,#1953,#1820,#1819,#1714,#1634,#1547,#1532,#1319,#1208,#1154,#1146
94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2012 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#ifndef MAPNIK_PIXEL_POSITION_HPP
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#define MAPNIK_PIXEL_POSITION_HPP
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// stl
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#include <iomanip>
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namespace mapnik
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{
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struct rotation;
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struct pixel_position
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{
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double x;
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double y;
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pixel_position(double x_, double y_) : x(x_), y(y_) { }
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pixel_position() : x(0), y(0) { }
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pixel_position operator+ (pixel_position const& other) const
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{
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return pixel_position(x + other.x, y + other.y);
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}
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pixel_position operator- (pixel_position const& other) const
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{
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return pixel_position(x - other.x, y - other.y);
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}
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pixel_position operator* (double other) const
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{
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return pixel_position(x * other, y * other);
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}
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void set(double x_, double y_)
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{
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x = x_;
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y = y_;
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}
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void clear()
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{
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x = 0;
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y = 0;
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}
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pixel_position rotate(rotation const& rot) const;
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pixel_position operator~() const
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{
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return pixel_position(x, -y);
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}
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};
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inline pixel_position operator* (double factor, pixel_position const& pos)
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{
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return pixel_position(factor * pos.x, factor * pos.y);
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}
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template <class charT, class traits>
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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 pixel_position& 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 << '(' << std::fixed << std::setprecision(16)
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<< e.x << ", " << e.y << ')';
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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 // MAPNIK_PIXEL_POSITION_HPP
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