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Contents
#!/usr/bin/env ruby -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
Version data entries
6 entries across 6 versions & 1 rubygems