color_floodfill.rb

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

# Demonstrate the Image#color_floodfill method

before = Magick::Image.new(200,200) { self.background_color = 'white' }
before.border!(1,1,'black')

circle = Magick::Draw.new
circle.fill('transparent')
circle.stroke_width(2)
circle.stroke('black')
circle.circle(100,100,180,100)
circle.fill('plum1')
circle.stroke('transparent')
circle.circle( 60,100, 40,100)
circle.circle(140,100,120,100)
circle.circle(100, 60,100, 40)
circle.circle(100,140,100,120)
circle.draw(before)

before.write('color_floodfill_before.gif')

aquamarine = Magick::Pixel.from_color('aquamarine')
after = before.color_floodfill(100,100, aquamarine)

after.write('color_floodfill_after.gif')
exit
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