65 lines
2.1 KiB
C++
65 lines
2.1 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) 2006 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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//$Id$
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#ifndef MEMORY_FEATURESET_HPP
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#define MEMORY_FEATURESET_HPP
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#include <mapnik/memory_datasource.hpp>
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#include <boost/utility.hpp>
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namespace mapnik {
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class memory_featureset : public Featureset, private boost::noncopyable
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{
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public:
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memory_featureset(Envelope<double> const& bbox, memory_datasource const& ds)
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: bbox_(bbox),
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pos_(ds.features_.begin()),
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end_(ds.features_.end())
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{}
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virtual ~memory_featureset() {}
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feature_ptr next()
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{
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/*
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while (pos_ != end_)
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{
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geometry_ptr geom = (*pos_)->get_geometry();
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if (geom && bbox_.intersects(geom->envelope()))
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{
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return *pos_++;
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}
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++pos_;
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}
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*/
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return feature_ptr();
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}
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private:
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Envelope<double> const& bbox_;
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std::vector<feature_ptr>::const_iterator pos_;
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std::vector<feature_ptr>::const_iterator end_;
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};
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}
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#endif // MEMORY_FEATURESET_HPP
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