color_reset.rb

#!/usr/bin/ruby1.8 -w
require 'RMagick'

# Demonstrate the Image#color_reset! method

f = Magick::Image.new(100,100) { self.background_color = 'white' }
red = Magick::Pixel.from_color('red')
f.color_reset!(red)
#f.display
f.write('color_reset.gif')
exit