1 files changed, 16 insertions, 0 deletions
diff --git a/lib/paperclip/blurhash_transcoder.rb b/lib/paperclip/blurhash_transcoder.rb
new file mode 100644
index 000000000..08925a6dd
--- /dev/null
+++ b/lib/paperclip/blurhash_transcoder.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module Paperclip
+  class BlurhashTranscoder < Paperclip::Processor
+    def make
+      return @file unless options[:style] == :small
+
+      pixels   = convert(':source 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