mapnik/src/image_reader.cpp
2010-06-02 11:03:30 +00:00

54 lines
1.9 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 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
*
*****************************************************************************/
//$Id: image_reader.cpp 17 2005-03-08 23:58:43Z pavlenko $
#include <mapnik/image_reader.hpp>
#include <mapnik/image_util.hpp>
#include <mapnik/factory.hpp>
namespace mapnik
{
typedef factory<image_reader,std::string,
image_reader* (*)(const std::string&)> ImageReaderFactory;
bool register_image_reader(const std::string& type,image_reader* (* fun)(const std::string&))
{
return ImageReaderFactory::instance()->register_product(type,fun);
}
image_reader* get_image_reader(const std::string& filename,const std::string& type)
{
return ImageReaderFactory::instance()->create_object(type,filename);
}
image_reader* get_image_reader(const std::string& filename)
{
boost::optional<std::string> type = type_from_filename(filename);
if (type)
{
return ImageReaderFactory::instance()->create_object(*type,filename);
}
return 0;
}
}