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average.rb.html
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<!DOCTYPE public PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<title>RMagick example: average.rb</title>
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<h1>average.rb</h1>
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<pre class="language-ruby">
# frozen_string_literal: true
# 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
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