diff options
Diffstat (limited to 'boost/gil/io/read_view.hpp')
| -rw-r--r-- | boost/gil/io/read_view.hpp | 249 |
1 files changed, 108 insertions, 141 deletions
diff --git a/boost/gil/io/read_view.hpp b/boost/gil/io/read_view.hpp index 5bae9c6cd2..6afef595cf 100644 --- a/boost/gil/io/read_view.hpp +++ b/boost/gil/io/read_view.hpp @@ -14,11 +14,12 @@ #include <boost/gil/io/get_reader.hpp> #include <boost/gil/io/path_spec.hpp> -#include <boost/type_traits/is_base_and_derived.hpp> #include <boost/mpl/and.hpp> -#include <boost/utility/enable_if.hpp> +#include <boost/type_traits/is_base_and_derived.hpp> + +#include <type_traits> -namespace boost{ namespace gil { +namespace boost { namespace gil { /// \ingroup IO @@ -27,28 +28,26 @@ namespace boost{ namespace gil { /// \param view The image view in which the data is read into. /// \param settings Specifies read settings depending on the image format. /// \throw std::ios_base::failure -template < typename Reader - , typename View - > +template <typename Reader, typename View> inline -void read_view( Reader reader - , const View& view - , typename enable_if< typename mpl::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 - >::type - >::type* /* ptr */ = 0 - ) +void read_view(Reader reader, View const& view, + typename std::enable_if + < + mpl::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* /*dummy*/ = nullptr) { - reader.check_image_size( view.dimensions() ); - - reader.init_view( view - , reader._settings - ); - - reader.apply( view ); + reader.check_image_size(view.dimensions()); + reader.init_view(view, reader._settings); + reader.apply(view); } /// \brief Reads an image view without conversion. No memory is allocated. @@ -56,38 +55,31 @@ void read_view( Reader reader /// \param view The image view 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 View - , typename FormatTag - > +template <typename Device, typename View, typename FormatTag> inline -void read_view( Device& file - , const View& view - , const image_read_settings< FormatTag >& settings - , typename enable_if< typename mpl::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 - >::type - >::type* /* ptr */ = 0 - ) +void read_view( + Device& file, + View const& view, + image_read_settings<FormatTag> const& settings, + typename std::enable_if + < + mpl::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* /*dummy*/ = nullptr) { - typedef typename get_reader< Device - , FormatTag - , detail::read_and_no_convert - >::type reader_t; - - reader_t reader = make_reader( file - , settings - , detail::read_and_no_convert() - ); - - read_view( reader - , view - ); + 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); } /// \brief Reads an image view without conversion. No memory is allocated. @@ -95,38 +87,27 @@ void read_view( Device& file /// \param view The image view 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 View - , typename FormatTag - > +template <typename Device, typename View, typename FormatTag> inline -void read_view( Device& file - , const View& view - , const FormatTag& tag - , typename enable_if< typename mpl::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 - >::type - >::type* /* ptr */ = 0 - ) +void read_view(Device& file, View const& view, FormatTag const& tag, + typename std::enable_if + < + mpl::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* /*dummy*/ = nullptr) { - typedef typename get_reader< Device - , FormatTag - , detail::read_and_no_convert - >::type reader_t; - - reader_t reader = make_reader( file - , tag - , detail::read_and_no_convert() - ); - - read_view( reader - , view - ); + 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); } /// \brief Reads an image view without conversion. No memory is allocated. @@ -134,36 +115,31 @@ void read_view( Device& file /// \param view The image view 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 View - , typename FormatTag - > +template <typename String, typename View, typename FormatTag> inline -void read_view( const String& file_name - , const View& view - , const image_read_settings< FormatTag >& settings - , typename enable_if< typename mpl::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 - >::type - >::type* /* ptr */ = 0 - ) +void read_view( + String const& file_name, + View const& view, + image_read_settings<FormatTag> const& settings, + typename std::enable_if + < + mpl::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* /*dummy*/ = nullptr) { - typedef typename get_reader< String - , FormatTag - , detail::read_and_no_convert - >::type reader_t; - - reader_t reader = make_reader( file_name - , settings - , detail::read_and_no_convert() - ); - - read_view( reader - , view - ); + 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); } /// \brief Reads an image view without conversion. No memory is allocated. @@ -171,39 +147,30 @@ void read_view( const String& file_name /// \param view The image view 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 View - , typename FormatTag - > +template <typename String, typename View, typename FormatTag> inline -void read_view( const String& file_name - , const View& view - , const FormatTag& tag - , typename enable_if< typename mpl::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 - >::type - >::type* /* ptr */ = 0 - ) +void read_view(String const& file_name, View const& view, FormatTag const& tag, + typename std::enable_if + < + mpl::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* /*dummy*/ = nullptr) { - typedef typename get_reader< String - , FormatTag - , detail::read_and_no_convert - >::type reader_t; - - reader_t reader = make_reader( file_name - , tag - , detail::read_and_no_convert() - ); - - read_view( reader - , view - ); + 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); } -} // namespace gil -} // namespace boost +}} // namespace boost::gil #endif |