54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
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/* 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: raster_datasource.hh 44 2005-04-22 18:53:54Z pavlenko $
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#ifndef RASTER_DATASOURCE_HH
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#define RASTER_DATASOURCE_HH
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#include "mapnik.hh"
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#include "image_reader.hh"
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using namespace mapnik;
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class raster_datasource : public datasource
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{
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private:
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std::string filename_;
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std::string format_;
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mapnik::Envelope<double> extent_;
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static std::string name_;
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public:
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raster_datasource(const Parameters& params);
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virtual ~raster_datasource();
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int type() const;
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std::string name();
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featureset_ptr featuresAll(const CoordTransform& t) const;
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featureset_ptr featuresInBox(const CoordTransform& t,const mapnik::Envelope<double>& box) const;
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featureset_ptr featuresAtPoint(const CoordTransform& t,const coord2d& pt) const;
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const mapnik::Envelope<double>& envelope() const;
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private:
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//no copying
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raster_datasource(const raster_datasource&);
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raster_datasource& operator=(const raster_datasource&);
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//
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bool parseEnvelope(const std::string& str,Envelope<double>& envelope);
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};
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#endif //RASTER_DATASOURCE_H
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