103 lines
2.6 KiB
C++
103 lines
2.6 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 QUERY_HPP
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#define QUERY_HPP
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//mapnik
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#include <mapnik/box2d.hpp>
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#include <mapnik/feature.hpp>
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// boost
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#include <boost/tuple/tuple.hpp>
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// stl
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#include <set>
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#include <limits>
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namespace mapnik {
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class query
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{
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public:
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typedef boost::tuple<double,double> resolution_type;
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private:
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box2d<double> bbox_;
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resolution_type resolution_;
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double scale_denominator_;
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std::set<std::string> names_;
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public:
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query(box2d<double> const& bbox, resolution_type const& resolution, double scale_denominator = 1.0)
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: bbox_(bbox),
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resolution_(resolution),
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scale_denominator_(scale_denominator)
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{}
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query(query const& other)
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: bbox_(other.bbox_),
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resolution_(other.resolution_),
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scale_denominator_(other.scale_denominator_),
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names_(other.names_)
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{}
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query& operator=(query const& other)
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{
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if (this == &other) return *this;
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bbox_=other.bbox_;
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resolution_=other.resolution_;
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scale_denominator_=other.scale_denominator_;
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names_=other.names_;
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return *this;
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}
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query::resolution_type const& resolution() const
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{
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return resolution_;
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}
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double scale_denominator() const
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{
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return scale_denominator_;
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}
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box2d<double> const& get_bbox() const
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{
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return bbox_;
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}
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void add_property_name(std::string const& name)
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{
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names_.insert(name);
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}
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std::set<std::string> const& property_names() const
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{
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return names_;
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}
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};
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}
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#endif //QUERY_HPP
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