# quantize-m.rb

    #!/usr/local/bin/ruby18 -w

    # Demonstrate the ImageList#quantize method

    require 'RMagick'

    snapshots = Magick::ImageList.new "images/Ballerina.jpg","images/Gold_Statue.jpg","images/Shorts.jpg"

    # Quantize all 3 images to a single set of 16 colors in the RGB colorspace
    $stdout.sync=true
    printf "Quantizing... Please be patient, this may take a couple of seconds... "
    quant = snapshots.quantize 16
    puts "Done."

    # Now we create the "before" and "after" images.
    # Arrange the original images side-by-side into a
    # single image.
    old = snapshots.append false
    old.write('quantize-m_before.jpg')

    # Repeat for the quantized images.
    new = quant.append false
    new.write('quantize-m_after.jpg')

    exit

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