2 // Copyright 2012 Christian Henning
4 // Distributed under the Boost Software License, Version 1.0
5 // See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt
8 #ifndef BOOST_GIL_IO_GET_READ_DEVICE_HPP
9 #define BOOST_GIL_IO_GET_READ_DEVICE_HPP
11 #include <boost/gil/detail/mp11.hpp>
12 #include <boost/gil/io/device.hpp>
13 #include <boost/gil/io/path_spec.hpp>
15 #include <type_traits>
17 namespace boost { namespace gil {
23 struct get_read_device
26 template <typename Device, typename FormatTag>
27 struct get_read_device
31 typename std::enable_if
35 detail::is_adaptable_input_device<FormatTag, Device>,
36 is_format_tag<FormatTag>
41 using type = typename detail::is_adaptable_input_device
48 template <typename String, typename FormatTag>
49 struct get_read_device
53 typename std::enable_if
57 detail::is_supported_path_spec<String>,
58 is_format_tag<FormatTag>
63 using type = detail::file_stream_device<FormatTag>;