# dissolve.rb

    #!/usr/local/bin/ruby19 -w

    require 'RMagick'

    bgnd = Magick::Image.read('images/Violin.jpg').first
    overlay = Magick::Image.read('images/Flower_Hat.jpg').first

    # Make the violin image the same size as the hat image
    bgnd.resize_to_fill!(overlay.columns, overlay.rows)

    composited = bgnd.dissolve(overlay, 0.50)
    composited.write('dissolve.jpg')

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