#!/usr/bin/env ruby -w # Demonstrate ImageList#average method require 'rmagick' images = Magick::ImageList.new('images/Button_A.gif', 'images/Button_B.gif', 'images/Button_C.gif') group = images.append false group.compression = Magick::LZWCompression group.write 'average_before.gif' average_image = images.average average_image.compression = Magick::LZWCompression average_image.write 'average_after.gif' exit