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/*
Copyright 2009 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_EXTENSION_IO_JPEG_DETAIL_IS_ALLOWED_HPP
#define BOOST_GIL_EXTENSION_IO_JPEG_DETAIL_IS_ALLOWED_HPP
////////////////////////////////////////////////////////////////////////////////////////
/// \file
/// \brief
/// \author Christian Henning \n
///
/// \date 2008 \n
///
////////////////////////////////////////////////////////////////////////////////////////
namespace boost { namespace gil { namespace detail {
template< typename View >
bool is_allowed( const image_read_info< jpeg_tag >& info
, mpl::true_ // is read_and_no_convert
)
{
if( info._color_space == JCS_YCbCr )
{
// We read JCS_YCbCr files as rgb.
return ( is_read_supported< typename View::value_type
, jpeg_tag
>::_color_space == JCS_RGB );
}
return ( is_read_supported< typename View::value_type
, jpeg_tag
>::_color_space == info._color_space );
}
template< typename View >
bool is_allowed( const image_read_info< jpeg_tag >& /* info */
, mpl::false_ // is read_and_convert
)
{
return true;
}
} // namespace detail
} // namespace gil
} // namespace boost
#endif
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