122 lines
2.6 KiB
C++
122 lines
2.6 KiB
C++
/* 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 FEATURE_HH
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#define FEATURE_HH
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#include "geometry.hh"
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#include "raster.hh"
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#include "attribute.hh"
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namespace mapnik
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{
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typedef ref_ptr<raster> raster_ptr;
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template <typename T1,typename T2>
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struct feature
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{
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public:
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typedef T1 geometry_type;
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typedef T2 raster_type;
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private:
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int id_;
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geometry_type geom_;
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raster_type raster_;
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attributes attr_;
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public:
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explicit feature(int id)
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: id_(id),
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geom_(),
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raster_() {}
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feature(int id,const geometry_type& geom)
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: id_(id),
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geom_(geom),
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raster_() {}
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feature(const feature<T1,T2>& rhs)
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: id_(rhs.id_),
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geom_(rhs.geom_),
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raster_(rhs.raster_) {}
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feature<T1,T2>& operator=(const feature<T1,T2>& rhs)
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{
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feature<T1,T2> tmp;
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swap(tmp);
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return *this;
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}
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~feature() {}
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int id() const
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{
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return id_;
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}
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void set_geometry(geometry_type& geom)
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{
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geom_=geom;
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}
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geometry_type& get_geometry()
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{
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return geom_;
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}
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const raster_type& get_raster() const
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{
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return raster_;
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}
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template <typename T>
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void add_attribute(const std::string& name,const T& value)
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{
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attr_.insert(std::make_pair(name,attribute(value)));
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}
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const attribute& attribute_by_name(const std::string& name) const
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{
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typename attributes::const_iterator pos=attr_.find(name);
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if (pos!=attr_.end())
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return pos->second;
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static attribute empty(0);
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return empty;
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}
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const attributes& get_attributes() const
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{
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return attr_;
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}
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private:
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void swap(const feature<T1,T2>& rhs) throw()
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{
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std::swap(id_,rhs.id_);
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std::swap(geom_,rhs.geom_);
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std::swap(raster_,rhs.raster_);
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std::swap(attr_,rhs.attr_);
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}
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};
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typedef feature<geometry_ptr,raster_ptr> Feature;
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}
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#endif //FEATURE_HH
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