mapnik/include/feature.hh
2005-04-10 20:39:53 +00:00

121 lines
2.6 KiB
C++

/* This file is part of Mapnik (c++ mapping toolkit)
* Copyright (C) 2005 Artem Pavlenko
*
* Mapnik is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
//$Id$
#ifndef FEATURE_HH
#define FEATURE_HH
#include "geometry.hh"
#include "raster.hh"
#include "attribute.hh"
namespace mapnik
{
typedef ref_ptr<raster> raster_ptr;
template <typename T1,typename T2>
struct feature
{
public:
typedef T1 geometry_type;
typedef T2 raster_type;
private:
int id_;
geometry_type geom_;
raster_type raster_;
attributes attr_;
public:
explicit feature(int id)
: id_(id),
geom_(),
raster_() {}
feature(int id,const geometry_type& geom)
: id_(id),
geom_(geom),
raster_() {}
feature(const feature<T1,T2>& rhs)
: id_(rhs.id_),
geom_(rhs.geom_),
raster_(rhs.raster_) {}
feature<T1,T2>& operator=(const feature<T1,T2>& rhs)
{
feature<T1,T2> tmp;
swap(tmp);
return *this;
}
~feature() {}
int id() const
{
return id_;
}
void set_geometry(geometry_type& geom)
{
geom_=geom;
}
geometry_type& get_geometry()
{
return geom_;
}
const raster_type& get_raster() const
{
return raster_;
}
template <typename T>
void add_attribute(const std::string& name,const T& value)
{
attr_.insert(std::make_pair(name,attribute(value)));
}
attribute attribute_by_name(const std::string& name) const
{
typename attributes::const_iterator pos=attr_.find(name);
if (pos!=attr_.end())
return pos->second;
return attribute();
}
const attributes& get_attributes() const
{
return attr_;
}
private:
void swap(const feature<T1,T2>& rhs) throw()
{
std::swap(id_,rhs.id_);
std::swap(geom_,rhs.geom_);
std::swap(raster_,rhs.raster_);
std::swap(attr_,rhs.attr_);
}
};
typedef feature<geometry_ptr,raster_ptr> Feature;
}
#endif //FEATURE_HH