class FileData::Exif
Convenience class for extracting exif data from a file or stream
Public Class Methods
creation_date(input)
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# File lib/file_data/formats/exif/exif.rb, line 35 def self.creation_date(input) raw_tag = FileData::Exif.only_image_tag(input, [34_665, 36_867]) Time.strptime(raw_tag, '%Y:%m:%d %H:%M:%S') unless raw_tag.nil? end
delegate_to_exif_reader(input, name, other_args)
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# File lib/file_data/formats/exif/exif.rb, line 20 def self.delegate_to_exif_reader(input, name, other_args) streamify(input) do |stream| exif = ExifJpeg.new(stream).exif ExifReader.new(exif).send(name, *other_args) end end
origin_date(input)
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# File lib/file_data/formats/exif/exif.rb, line 40 def self.origin_date(input) creation_date(input) end
streamify(input) { |f| ... }
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# File lib/file_data/formats/exif/exif.rb, line 27 def self.streamify(input) if input.is_a?(String) ::File.open(input, 'rb') { |f| yield f } else yield input end end