57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2024 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 OGR_INDEX_FEATURESET_HPP
|
|
#define OGR_INDEX_FEATURESET_HPP
|
|
|
|
#include <set>
|
|
#include <vector>
|
|
|
|
#include <mapnik/feature.hpp>
|
|
#include "ogr_featureset.hpp"
|
|
|
|
template<typename filterT>
|
|
class ogr_index_featureset : public mapnik::Featureset
|
|
{
|
|
public:
|
|
ogr_index_featureset(mapnik::context_ptr const& ctx,
|
|
OGRLayer& layer,
|
|
filterT const& filter,
|
|
std::string const& index_file,
|
|
std::string const& encoding);
|
|
|
|
virtual ~ogr_index_featureset();
|
|
mapnik::feature_ptr next();
|
|
|
|
private:
|
|
mapnik::context_ptr ctx_;
|
|
OGRLayer& layer_;
|
|
OGRFeatureDefn* layerdef_;
|
|
filterT filter_;
|
|
std::vector<int> ids_;
|
|
std::vector<int>::iterator itr_;
|
|
const std::unique_ptr<mapnik::transcoder> tr_;
|
|
const char* fidcolumn_;
|
|
OGREnvelope feature_envelope_;
|
|
};
|
|
|
|
#endif // OGR_INDEX_FEATURESET_HPP
|