lib/image_optim/worker/jpegtran.rb in image_optim-0.13.3 vs lib/image_optim/worker/jpegtran.rb in image_optim-0.14.0

@@ -1,14 +1,22 @@
 require 'image_optim/worker'
 
 class ImageOptim
   class Worker
+    # http://www.ijg.org/
+    #
+    # Uses jpegtran through jpegrescan if enabled, jpegrescan is vendored with
+    # this gem
     class Jpegtran < Worker
+      COPY_CHUNKS_OPTION =
       option(:copy_chunks, false, 'Copy all chunks'){ |v| !!v }
 
+      PROGRESSIVE_OPTION =
       option(:progressive, true, 'Create progressive JPEG file'){ |v| !!v }
 
-      option(:jpegrescan, false, 'Use jpegtran through jpegrescan, ignore progressive option'){ |v| !!v }
+      JPEGRESCAN_OPTION =
+      option(:jpegrescan, false, 'Use jpegtran through jpegrescan, '\
+          'ignore progressive option'){ |v| !!v }
 
       def optimize(src, dst)
         if jpegrescan
           args = %W[#{src} #{dst}]
           args.unshift '-s' unless copy_chunks