/usr/include/boost/gil/io
Edit: /usr/include/boost/gil/io/make_dynamic_image_reader.hpp (4436B)
//
// Copyright 2012 Christian Henning
//
// Distributed under 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_DYNAMIC_IMAGE_READER_HPP
#define BOOST_GIL_IO_MAKE_DYNAMIC_IMAGE_READER_HPP
#include
#include
#include
namespace boost { namespace gil {
template
inline
auto make_dynamic_image_reader(
String const& file_name, image_read_settings const& settings,
typename std::enable_if
<
mp11::mp_and
<
detail::is_supported_path_spec,
is_format_tag
>::value
>::type* /*dummy*/ = nullptr)
-> typename get_dynamic_image_reader::type
{
using device_t = typename get_read_device::type;
device_t device(
detail::convert_to_native_string(file_name),
typename detail::file_stream_device::read_tag());
return typename get_dynamic_image_reader::type(device, settings);
}
template
inline
auto make_dynamic_image_reader(
std::wstring const& file_name, image_read_settings const& settings)
-> typename get_dynamic_image_reader::type
{
char const* str = detail::convert_to_native_string(file_name);
using device_t = typename get_read_device::type;
device_t device(str, typename detail::file_stream_device::read_tag());
delete[] str; // TODO: RAII
return
typename get_dynamic_image_reader::type(device, settings);
}
#ifdef BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
template
inline
auto make_dynamic_image_reader(
filesystem::path const& path, image_read_settings const& settings)
-> typename get_dynamic_image_reader::type
{
return make_dynamic_image_reader(path.wstring(), settings);
}
#endif // BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
template
inline
auto make_dynamic_image_reader(
Device& file, image_read_settings const& settings,
typename std::enable_if
<
mp11::mp_and
<
detail::is_adaptable_input_device,
is_format_tag
>::value
>::type* /*dummy*/ = nullptr)
-> typename get_dynamic_image_reader::type
{
typename get_read_device::type device(file);
return typename get_dynamic_image_reader::type(device, settings);
}
// without image_read_settings
template
inline
auto make_dynamic_image_reader(String const& file_name, FormatTag const&,
typename std::enable_if
<
mp11::mp_and
<
detail::is_supported_path_spec,
is_format_tag
>::value
>::type* /*dummy*/ = nullptr)
-> typename get_dynamic_image_reader::type
{
return make_dynamic_image_reader(file_name, image_read_settings());
}
template
inline
auto make_dynamic_image_reader(std::wstring const& file_name, FormatTag const&)
-> typename get_dynamic_image_reader::type
{
return make_dynamic_image_reader(file_name, image_read_settings());
}
#ifdef BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
template
inline
auto make_dynamic_image_reader(filesystem::path const& path, FormatTag const&)
-> typename get_dynamic_image_reader::type
{
return make_dynamic_image_reader(path.wstring(), image_read_settings());
}
#endif // BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
template
inline
auto make_dynamic_image_reader(Device& file, FormatTag const&,
typename std::enable_if
<
mp11::mp_and
<
detail::is_adaptable_input_device,
is_format_tag
>::value
>::type* /*dummy*/ = nullptr)
-> typename get_dynamic_image_reader::type
{
return make_dynamic_image_reader(file, image_read_settings());
}
}} // namespace boost::gil
#endif