color_fill_to_border.rb.html

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  <title>RMagick example: color_fill_to_border.rb</title>
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<h1>color_fill_to_border.rb</h1>
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<pre class="language-ruby">
# frozen_string_literal: true

require 'rmagick'

# Demonstrate the Image#color_fill_to_border method

before = Magick::Image.new(200, 200) do |options|
  options.background_color = 'white'
  options.border_color = 'black'
end
before.border!(1, 1, 'black')

circle = Magick::Draw.new
circle.fill('transparent')
circle.stroke('black')
circle.stroke_width(2)
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_fill_to_border_before.gif')

after = before.color_fill_to_border(100, 100, 'aquamarine')
after.write('color_fill_to_border_after.gif')
exit
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