52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
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/* 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 FILTER_HH
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#define FILTER_HH
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#include "envelope.hh"
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namespace mapnik
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{
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struct filter_in_box
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{
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Envelope<double> box_;
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explicit filter_in_box(const Envelope<double>& box)
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: box_(box) {}
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bool pass(const Envelope<double>& extent) const
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{
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return extent.intersects(box_);
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}
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};
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struct filter_at_point
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{
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coord2d pt_;
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explicit filter_at_point(const coord2d& pt)
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: pt_(pt) {}
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bool pass(const Envelope<double>& extent) const
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{
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return extent.contains(pt_);
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}
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};
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}
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#endif //FILTER_HH
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