71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2011 Artem Pavlenko
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#ifndef SHAPE_FEATURESET_HPP
|
|
#define SHAPE_FEATURESET_HPP
|
|
|
|
//mapnik
|
|
#include <mapnik/geom_util.hpp>
|
|
#include <mapnik/datasource.hpp>
|
|
|
|
#include "shape_io.hpp"
|
|
|
|
//boost
|
|
#include <boost/scoped_ptr.hpp>
|
|
|
|
using mapnik::Featureset;
|
|
using mapnik::box2d;
|
|
using mapnik::feature_ptr;
|
|
using mapnik::transcoder;
|
|
|
|
template <typename filterT>
|
|
class shape_featureset : public Featureset
|
|
{
|
|
filterT filter_;
|
|
//int shape_type_;
|
|
shape_io shape_;
|
|
box2d<double> query_ext_;
|
|
boost::scoped_ptr<transcoder> tr_;
|
|
long file_length_;
|
|
std::vector<int> attr_ids_;
|
|
mutable box2d<double> feature_ext_;
|
|
mutable int total_geom_size;
|
|
mutable int count_;
|
|
const int row_limit_;
|
|
|
|
public:
|
|
shape_featureset(const filterT& filter,
|
|
const std::string& shape_file,
|
|
const std::set<std::string>& attribute_names,
|
|
std::string const& encoding,
|
|
long file_length,
|
|
int row_limit);
|
|
virtual ~shape_featureset();
|
|
feature_ptr next();
|
|
|
|
private:
|
|
shape_featureset(const shape_featureset&);
|
|
const shape_featureset& operator=(const shape_featureset&);
|
|
|
|
};
|
|
|
|
#endif //SHAPE_FEATURESET_HPP
|