remap_images.rb.html

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  <title>RMagick example: remap_images.rb</title>
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<h1>remap_images.rb</h1>
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<pre class="language-ruby">
# frozen_string_literal: true

require 'rmagick'

images = Magick::ImageList.new('images/Apple.miff', 'images/Rocks_On_Beach.miff', 'images/Leaf.miff')
rose = Magick::Image.read('images/Yellow_Rose.miff').first
rose[:Label] = 'Remap Image'

result = Magick::ImageList.new
result += images
result &lt;&lt; rose

begin
  result += images.copy.affinity(rose)
  montage = result.montage { |options| options.tile = '4x2' }
  montage.alpha Magick::DeactivateAlphaChannel
rescue NotImplementedError
  montage = Magick::Image.read('images/notimplemented.gif').first
end

montage.write('remap_images.jpg')
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