mastodon/lib/paperclip/blurhash_transcoder.rb

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# frozen_string_literal: true
module Paperclip
class BlurhashTranscoder < Paperclip::Processor
def make
return @file unless options[:style] == :small || options[:blurhash]
pixels = convert(':source -depth 8 RGB:-', source: File.expand_path(@file.path)).unpack('C*')
geometry = options.fetch(:file_geometry_parser).from_file(@file)
attachment.instance.blurhash = Blurhash.encode(geometry.width, geometry.height, pixels, **(options[:blurhash] || {}))
@file
end
end
end