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- #ifndef BOOST_GIL_IO_READ_VIEW_HPP
- #define BOOST_GIL_IO_READ_VIEW_HPP
- #include <boost/gil/io/base.hpp>
- #include <boost/gil/io/conversion_policies.hpp>
- #include <boost/gil/io/device.hpp>
- #include <boost/gil/io/get_reader.hpp>
- #include <boost/gil/io/path_spec.hpp>
- #include <boost/gil/detail/mp11.hpp>
- #include <type_traits>
- namespace boost { namespace gil {
- template <typename Reader, typename View>
- inline
- void read_view(Reader reader, View const& view,
- typename std::enable_if
- <
- mp11::mp_and
- <
- detail::is_reader<Reader>,
- typename is_format_tag<typename Reader::format_tag_t>::type,
- typename is_read_supported
- <
- typename get_pixel_type<View>::type,
- typename Reader::format_tag_t
- >::type
- >::value
- >::type* = nullptr)
- {
- reader.check_image_size(view.dimensions());
- reader.init_view(view, reader._settings);
- reader.apply(view);
- }
- template <typename Device, typename View, typename FormatTag>
- inline
- void read_view(
- Device& file,
- View const& view,
- image_read_settings<FormatTag> const& settings,
- typename std::enable_if
- <
- mp11::mp_and
- <
- detail::is_read_device<FormatTag, Device>,
- typename is_format_tag<FormatTag>::type,
- typename is_read_supported
- <
- typename get_pixel_type<View>::type,
- FormatTag
- >::type
- >::value
- >::type* = nullptr)
- {
- using reader_t =
- typename get_reader<Device, FormatTag, detail::read_and_no_convert>::type;
- reader_t reader = make_reader(file, settings, detail::read_and_no_convert());
- read_view(reader, view);
- }
- template <typename Device, typename View, typename FormatTag>
- inline
- void read_view(Device& file, View const& view, FormatTag const& tag,
- typename std::enable_if
- <
- mp11::mp_and
- <
- typename is_format_tag<FormatTag>::type,
- detail::is_read_device<FormatTag, Device>,
- typename is_read_supported
- <
- typename get_pixel_type<View>::type,
- FormatTag
- >::type
- >::value>::type* = nullptr)
- {
- using reader_t =
- typename get_reader<Device, FormatTag, detail::read_and_no_convert>::type;
- reader_t reader = make_reader(file, tag, detail::read_and_no_convert());
- read_view(reader, view);
- }
- template <typename String, typename View, typename FormatTag>
- inline
- void read_view(
- String const& file_name,
- View const& view,
- image_read_settings<FormatTag> const& settings,
- typename std::enable_if
- <
- mp11::mp_and
- <
- typename detail::is_supported_path_spec<String>::type,
- typename is_format_tag<FormatTag>::type,
- typename is_read_supported
- <
- typename get_pixel_type<View>::type,
- FormatTag
- >::type
- >::value
- >::type* = nullptr)
- {
- using reader_t =
- typename get_reader<String, FormatTag, detail::read_and_no_convert>::type;
- reader_t reader = make_reader(file_name, settings, detail::read_and_no_convert());
- read_view(reader, view);
- }
- template <typename String, typename View, typename FormatTag>
- inline
- void read_view(String const& file_name, View const& view, FormatTag const& tag,
- typename std::enable_if
- <
- mp11::mp_and
- <
- typename detail::is_supported_path_spec<String>::type,
- typename is_format_tag<FormatTag>::type,
- typename is_read_supported
- <
- typename get_pixel_type<View>::type,
- FormatTag
- >::type
- >::value
- >::type* = nullptr)
- {
- using reader_t =
- typename get_reader<String, FormatTag, detail::read_and_no_convert>::type;
- reader_t reader = make_reader(file_name, tag, detail::read_and_no_convert());
- read_view(reader, view);
- }
- }}
- #endif
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