43 lines
1.4 KiB
C++
43 lines
1.4 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) 2016 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_SEGMENT_HPP
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#define MAPNIK_SEGMENT_HPP
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#include <tuple>
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#include <algorithm>
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namespace mapnik
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{
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using segment_t = std::tuple<double,double,double,double>;
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static inline bool y_order(segment_t const& first,segment_t const& second)
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{
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double miny0 = std::min(std::get<1>(first), std::get<3>(first));
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double miny1 = std::min(std::get<1>(second), std::get<3>(second));
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return miny0 > miny1;
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}
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}
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#endif // MAPNIK_SEGMENT_HPP
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