mapnik/include/mapnik/image_options.hpp
2021-01-05 14:39:07 +00:00

48 lines
1.6 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2021 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 MAPNIK_IMAGE_OPTIONS_HPP
#define MAPNIK_IMAGE_OPTIONS_HPP
#include <map>
#include <string>
#include <mapnik/warning.hpp>
MAPNIK_DISABLE_WARNING_PUSH
#include <mapnik/warning_ignore.hpp>
#include <boost/optional.hpp>
MAPNIK_DISABLE_WARNING_POP
namespace mapnik {
using image_options_map = std::map<std::string, boost::optional<std::string> >;
inline std::string to_string(boost::optional<std::string> const& val) { return val ? *val : "<unitialised>";}
image_options_map parse_image_options(std::string const& options);
#if defined(HAVE_PNG)
int parse_png_filters(std::string const& str);
#endif
}
#endif // MAPNIK_IMAGE_OPTIONS_HPP