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Contents
#! /usr/local/bin/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
67 entries across 67 versions & 2 rubygems