123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269 |
- //
- // Copyright 2007-2012 Christian Henning, Andreas Pokorny, Lubomir Bourdev
- //
- // 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_READ_AND_CONVERT_IMAGE_HPP
- #define BOOST_GIL_IO_READ_AND_CONVERT_IMAGE_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 {
- /// \ingroup IO
- /// \brief Reads and color-converts an image. Image memory is allocated.
- /// \param reader An image reader.
- /// \param img The image in which the data is read into.
- /// \param settings Specifies read settings depending on the image format.
- /// \param cc Color converter function object.
- /// \throw std::ios_base::failure
- template <typename Reader, typename Image>
- inline
- void read_and_convert_image(Reader& reader, Image& img,
- typename std::enable_if
- <
- mp11::mp_and
- <
- detail::is_reader<Reader>,
- is_format_tag<typename Reader::format_tag_t>
- >::value
- >::type* /*dummy*/ = nullptr)
- {
- reader.init_image(img, reader._settings);
- reader.apply(view(img));
- }
- /// \brief Reads and color-converts an image. Image memory is allocated.
- /// \param device Must satisfy is_input_device metafunction.
- /// \param img The image in which the data is read into.
- /// \param settings Specifies read settings depending on the image format.
- /// \param cc Color converter function object.
- /// \throw std::ios_base::failure
- template <typename Device, typename Image, typename ColorConverter, typename FormatTag>
- inline
- void read_and_convert_image(
- Device& device,
- Image& img,
- image_read_settings<FormatTag> const& settings,
- ColorConverter const& cc,
- typename std::enable_if
- <
- mp11::mp_and
- <
- detail::is_read_device<FormatTag, Device>,
- is_format_tag<FormatTag>
- >::value
- >::type* /*dummy*/ = nullptr)
- {
- using read_and_convert_t = detail::read_and_convert<ColorConverter>;
- using reader_t = typename get_reader<Device, FormatTag, read_and_convert_t>::type;
- reader_t reader = make_reader(device, settings, read_and_convert_t{cc});
- read_and_convert_image(reader, img);
- }
- /// \brief Reads and color-converts an image. Image memory is allocated.
- /// \param file_name File name. Must satisfy is_supported_path_spec metafunction.
- /// \param img The image in which the data is read into.
- /// \param settings Specifies read settings depending on the image format.
- /// \param cc Color converter function object.
- /// \throw std::ios_base::failure
- template <typename String, typename Image, typename ColorConverter, typename FormatTag>
- inline
- void read_and_convert_image(
- String const& file_name,
- Image& img,
- image_read_settings<FormatTag> const& settings,
- ColorConverter const& cc,
- typename std::enable_if
- <
- mp11::mp_and
- <
- is_format_tag<FormatTag>,
- detail::is_supported_path_spec<String>
- >::value
- >::type* /*dummy*/ = nullptr)
- {
- using read_and_convert_t = detail::read_and_convert<ColorConverter>;
- using reader_t = typename get_reader<String, FormatTag, read_and_convert_t>::type;
- reader_t reader = make_reader(file_name, settings, read_and_convert_t{cc});
- read_and_convert_image(reader, img);
- }
- /// \brief Reads and color-converts an image. Image memory is allocated.
- /// \param file_name File name. Must satisfy is_supported_path_spec metafunction.
- /// \param img The image in which the data is read into.
- /// \param cc Color converter function object.
- /// \param tag Defines the image format. Must satisfy is_format_tag metafunction.
- /// \throw std::ios_base::failure
- template <typename String, typename Image, typename ColorConverter, typename FormatTag>
- inline
- void read_and_convert_image(
- String const& file_name,
- Image& img,
- ColorConverter const& cc,
- FormatTag const& tag,
- typename std::enable_if
- <
- mp11::mp_and
- <
- is_format_tag<FormatTag>,
- detail::is_supported_path_spec<String>
- >::value
- >::type* /*dummy*/ = nullptr)
- {
- using read_and_convert_t = detail::read_and_convert<ColorConverter>;
- using reader_t = typename get_reader<String, FormatTag, read_and_convert_t>::type;
- reader_t reader = make_reader(file_name, tag, read_and_convert_t{cc});
- read_and_convert_image(reader, img);
- }
- /// \brief Reads and color-converts an image. Image memory is allocated.
- /// \param device Must satisfy is_input_device metafunction or is_adaptable_input_device.
- /// \param img The image in which the data is read into.
- /// \param cc Color converter function object.
- /// \param tag Defines the image format. Must satisfy is_format_tag metafunction.
- /// \throw std::ios_base::failure
- template <typename Device, typename Image, typename ColorConverter, typename FormatTag>
- inline
- void read_and_convert_image(
- Device& device,
- Image& img,
- ColorConverter const& cc,
- FormatTag const& tag,
- typename std::enable_if
- <
- mp11::mp_and
- <
- detail::is_read_device<FormatTag, Device>,
- is_format_tag<FormatTag>
- >::value
- >::type* /*dummy*/ = nullptr)
- {
- using read_and_convert_t = detail::read_and_convert<ColorConverter>;
- using reader_t = typename get_reader<Device, FormatTag, read_and_convert_t>::type;
- reader_t reader = make_reader(device, tag, read_and_convert_t{cc});
- read_and_convert_image(reader, img);
- }
- /// \brief Reads and color-converts an image. Image memory is allocated. Default color converter is used.
- /// \param file_name File name. Must satisfy is_supported_path_spec metafunction.
- /// \param img The image in which the data is read into.
- /// \param settings Specifies read settings depending on the image format.
- /// \throw std::ios_base::failure
- template <typename String, typename Image, typename FormatTag>
- inline void read_and_convert_image(
- String const& file_name,
- Image& img,
- image_read_settings<FormatTag> const& settings,
- typename std::enable_if
- <
- mp11::mp_and
- <
- is_format_tag<FormatTag>,
- detail::is_supported_path_spec<String>
- >::value
- >::type* /*dummy*/ = nullptr)
- {
- using read_and_convert_t = detail::read_and_convert<default_color_converter>;
- using reader_t = typename get_reader<String, FormatTag, read_and_convert_t>::type;
- reader_t reader = make_reader(file_name, settings, read_and_convert_t{});
- read_and_convert_image(reader, img);
- }
- /// \brief Reads and color-converts an image. Image memory is allocated. Default color converter is used.
- /// \param device It's a device. Must satisfy is_input_device metafunction or is_adaptable_input_device.
- /// \param img The image in which the data is read into.
- /// \param settings Specifies read settings depending on the image format.
- /// \throw std::ios_base::failure
- template <typename Device, typename Image, typename FormatTag>
- inline void read_and_convert_image(
- Device& device,
- Image& img,
- image_read_settings<FormatTag> const& settings,
- typename std::enable_if
- <
- mp11::mp_and
- <
- detail::is_read_device<FormatTag, Device>,
- is_format_tag<FormatTag>
- >::value
- >::type* /*dummy*/ = nullptr)
- {
- using read_and_convert_t = detail::read_and_convert<default_color_converter>;
- using reader_t = typename get_reader<Device, FormatTag, read_and_convert_t>::type;
- reader_t reader = make_reader(device, settings, read_and_convert_t{});
- read_and_convert_image(reader, img);
- }
- /// \brief Reads and color-converts an image. Image memory is allocated. Default color converter is used.
- /// \param file_name File name. Must satisfy is_supported_path_spec metafunction.
- /// \param img The image in which the data is read into.
- /// \param tag Defines the image format. Must satisfy is_format_tag metafunction.
- /// \throw std::ios_base::failure
- template <typename String, typename Image, typename FormatTag>
- inline
- void read_and_convert_image(
- String const& file_name,
- Image& img,
- FormatTag const& tag,
- typename std::enable_if
- <
- mp11::mp_and
- <
- is_format_tag<FormatTag>,
- detail::is_supported_path_spec<String>
- >::value
- >::type* /*dummy*/ = nullptr)
- {
- using read_and_convert_t = detail::read_and_convert<default_color_converter>;
- using reader_t = typename get_reader<String, FormatTag, read_and_convert_t>::type;
- reader_t reader = make_reader(file_name, tag, read_and_convert_t{});
- read_and_convert_image(reader, img);
- }
- /// \brief Reads and color-converts an image. Image memory is allocated. Default color converter is used.
- /// \param file_name File name. Must satisfy is_supported_path_spec metafunction.
- /// \param img The image in which the data is read into.
- /// \param tag Defines the image format. Must satisfy is_format_tag metafunction.
- /// \throw std::ios_base::failure
- template <typename Device, typename Image, typename FormatTag>
- inline void read_and_convert_image(
- Device& device,
- Image& img,
- FormatTag const& tag,
- typename std::enable_if
- <
- mp11::mp_and
- <
- detail::is_read_device<FormatTag, Device>,
- is_format_tag<FormatTag>
- >::value
- >::type* /*dummy*/ = nullptr)
- {
- using read_and_convert_t = detail::read_and_convert<default_color_converter>;
- using reader_t = typename get_reader<Device, FormatTag, read_and_convert_t>::type;
- reader_t reader = make_reader(device, tag, read_and_convert_t{});
- read_and_convert_image(reader, img);
- }
- }} // namespace boost::gil
- #endif
|