level.rb

#!/usr/bin/ruby -w
require 'RMagick'

# Demonstrate the Image#level method

before = Magick::Image.read('images/Flower_Hat.jpg').first

# Brighten up the mid-tones a bit.
after = before.level(0, Magick::QuantumRange, 1.50)
after.write('level.jpg')
exit
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