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/*
Copyright 2012 Christian Henning
Use, modification and distribution are subject to the Boost Software License,
Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
http://www.boost.org/LICENSE_1_0.txt).
*/
/*************************************************************************************************/
#ifndef BOOST_GIL_IO_MAKE_READER_HPP
#define BOOST_GIL_IO_MAKE_READER_HPP
////////////////////////////////////////////////////////////////////////////////////////
/// \file
/// \brief
/// \author Christian Henning \n
///
/// \date 2012 \n
///
////////////////////////////////////////////////////////////////////////////////////////
#include <boost/utility/enable_if.hpp>
#include <boost/gil/io/get_reader.hpp>
namespace boost { namespace gil {
template< typename String
, typename FormatTag
, typename ConversionPolicy
>
inline
typename get_reader< String
, FormatTag
, ConversionPolicy
>::type
make_reader( const String& file_name
, const image_read_settings< FormatTag >& settings
, const ConversionPolicy&
, typename enable_if< mpl::and_< detail::is_supported_path_spec< String >
, is_format_tag< FormatTag >
>
>::type* /* ptr */ = 0
)
{
typename get_read_device< String
, FormatTag
>::type device( detail::convert_to_native_string( file_name )
, typename detail::file_stream_device< FormatTag >::read_tag()
);
return typename get_reader< String
, FormatTag
, ConversionPolicy
>::type( device
, settings
);
}
template< typename FormatTag
, typename ConversionPolicy
>
inline
typename get_reader< std::wstring
, FormatTag
, ConversionPolicy
>::type
make_reader( const std::wstring& file_name
, const image_read_settings< FormatTag >& settings
, const ConversionPolicy&
)
{
const char* str = detail::convert_to_native_string( file_name );
typename get_read_device< std::wstring
, FormatTag
>::type device( str
, typename detail::file_stream_device< FormatTag >::read_tag()
);
delete[] str;
return typename get_reader< std::wstring
, FormatTag
, ConversionPolicy
>::type( device
, settings
);
}
#ifdef BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
template< typename FormatTag
, typename ConversionPolicy
>
inline
typename get_reader< std::wstring
, FormatTag
, ConversionPolicy
>::type
make_reader( const filesystem::path& path
, const image_read_settings< FormatTag >& settings
, const ConversionPolicy& cc
)
{
return make_reader( path.wstring()
, settings
, cc
);
}
#endif // BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
template< typename Device
, typename FormatTag
, typename ConversionPolicy
>
inline
typename get_reader< Device
, FormatTag
, ConversionPolicy
>::type
make_reader( Device& file
, const image_read_settings< FormatTag >& settings
, const ConversionPolicy&
, typename enable_if< mpl::and_< detail::is_adaptable_input_device< FormatTag
, Device
>
, is_format_tag< FormatTag >
>
>::type* /* ptr */ = 0
)
{
typename get_read_device< Device
, FormatTag
>::type device( file );
return typename get_reader< Device
, FormatTag
, ConversionPolicy
>::type( device
, settings
);
}
// no image_read_settings
template< typename String
, typename FormatTag
, typename ConversionPolicy
>
inline
typename get_reader< String
, FormatTag
, ConversionPolicy
>::type
make_reader( const String& file_name
, const FormatTag&
, const ConversionPolicy& cc
, typename enable_if< mpl::and_< detail::is_supported_path_spec< String >
, is_format_tag< FormatTag >
>
>::type* /* ptr */ = 0
)
{
return make_reader( file_name
, image_read_settings< FormatTag >()
, cc
);
}
template< typename FormatTag
, typename ConversionPolicy
>
inline
typename get_reader< std::wstring
, FormatTag
, ConversionPolicy
>::type
make_reader( const std::wstring& file_name
, const FormatTag&
, const ConversionPolicy& cc
)
{
return make_reader( file_name
, image_read_settings< FormatTag >()
, cc
);
}
#ifdef BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
template< typename FormatTag
, typename ConversionPolicy
>
inline
typename get_reader< std::wstring
, FormatTag
, ConversionPolicy
>::type
make_reader( const filesystem::path& path
, const FormatTag&
, const ConversionPolicy& cc
)
{
return make_reader( path.wstring()
, image_read_settings< FormatTag >()
, cc
);
}
#endif // BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
template< typename Device
, typename FormatTag
, typename ConversionPolicy
>
inline
typename get_reader< Device
, FormatTag
, ConversionPolicy
>::type
make_reader( Device& file
, const FormatTag&
, const ConversionPolicy& cc
, typename enable_if< mpl::and_< detail::is_adaptable_input_device< FormatTag
, Device
>
, is_format_tag< FormatTag >
>
>::type* /* ptr */ = 0
)
{
return make_reader( file
, image_read_settings< FormatTag >()
, cc
);
}
} // namespace gil
} // namespace boost
#endif
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