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Contents
#!/usr/local/bin/ruby -w
require 'RMagick'
# Demonstrate the Image#colorize method by converting
# a full-color image to "sepia-tone"
img = Magick::Image.read('images/Flower_Hat.jpg').first
# Convert the color image to monochrome
mono = img.quantize(256, Magick::GRAYColorspace)
# Colorize with a 30% blend of a brownish-orange color
colorized = mono.colorize(0.30, 0.30, 0.30, '#cc9933')
colorized.write('colorize.jpg')
exit
Version data entries
67 entries across 67 versions & 2 rubygems