# File lib/barby/outputter/rmagick_outputter.rb, line 32 def to_blob(format, *a) img = to_image(*a) blob = img.to_blob{|i| i.format = format } #Release the memory used by RMagick explicitly. Ruby's GC #isn't aware of it and can't clean it up automatically img.destroy! if img.respond_to?(:destroy!) blob end