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diff --git a/boost/gil/extension/io/jpeg/detail/supported_types.hpp b/boost/gil/extension/io/jpeg/detail/supported_types.hpp
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+++ b/boost/gil/extension/io/jpeg/detail/supported_types.hpp
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+/*
+    Copyright 2007-2008 Christian Henning, Andreas Pokorny, Lubomir Bourdev
+    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_SUPPORTED_TYPES_HPP
+#define BOOST_GIL_EXTENSION_IO_JPEG_DETAIL_SUPPORTED_TYPES_HPP
+
+////////////////////////////////////////////////////////////////////////////////////////
+/// \file
+/// \brief
+/// \author Christian Henning, Andreas Pokorny, Lubomir Bourdev \n
+///
+/// \date   2007-2008 \n
+///
+////////////////////////////////////////////////////////////////////////////////////////
+
+#include <boost/mpl/not.hpp>
+#include <boost/type_traits/is_same.hpp>
+
+#include <boost/gil/channel.hpp>
+#include <boost/gil/color_base.hpp>
+
+namespace boost { namespace gil { namespace detail {
+
+// Read support
+
+template< jpeg_color_space::type ColorSpace >
+struct jpeg_rw_support_base
+{
+    static const jpeg_color_space::type _color_space = ColorSpace;
+};
+
+template< typename Channel
+        , typename ColorSpace
+        >
+struct jpeg_read_support : read_support_false
+                         , jpeg_rw_support_base< JCS_UNKNOWN > {};
+
+template<>
+struct jpeg_read_support<uint8_t
+                        , rgb_t
+                        > : read_support_true
+                          , jpeg_rw_support_base< JCS_RGB > {};
+
+template<>
+struct jpeg_read_support<uint8_t
+                        , cmyk_t
+                        > : read_support_true
+                          , jpeg_rw_support_base< JCS_CMYK > {};
+
+template<>
+struct jpeg_read_support<uint8_t
+                        , gray_t
+                        > : read_support_true
+                          , jpeg_rw_support_base< JCS_GRAYSCALE > {};
+
+// Write support
+
+template< typename Channel
+        , typename ColorSpace
+        >
+struct jpeg_write_support : write_support_false
+                          , jpeg_rw_support_base< JCS_UNKNOWN > {};
+
+template<>
+struct jpeg_write_support<uint8_t
+                         , gray_t
+                         > : write_support_true
+                          , jpeg_rw_support_base< JCS_GRAYSCALE > {};
+
+template<>
+struct jpeg_write_support<uint8_t
+                         , rgb_t
+                         > : write_support_true
+                          , jpeg_rw_support_base< JCS_RGB > {};
+
+template<>
+struct jpeg_write_support<uint8_t
+                         , cmyk_t
+                         > : write_support_true
+                          , jpeg_rw_support_base< JCS_CMYK > {};
+
+} // namespace detail
+
+template< typename Pixel >
+struct is_read_supported< Pixel
+                        , jpeg_tag
+                        > 
+    : mpl::bool_< detail::jpeg_read_support< typename channel_type< Pixel >::type
+                                           , typename color_space_type< Pixel >::type
+                                           >::is_supported
+                >
+{
+    typedef detail::jpeg_read_support< typename channel_type< Pixel >::type
+                                     , typename color_space_type< Pixel >::type
+                                     > parent_t;
+
+    static const typename jpeg_color_space::type _color_space = parent_t::_color_space;
+};
+
+template< typename Pixel >
+struct is_write_supported< Pixel
+                         , jpeg_tag
+                         >
+    : mpl::bool_< detail::jpeg_write_support< typename channel_type< Pixel >::type
+                                            , typename color_space_type< Pixel >::type
+                                            >::is_supported
+                > 
+{};
+
+
+} // namespace gil
+} // namespace boost
+
+
+#endif