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gradientfill.rb.html
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<!DOCTYPE public PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
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<meta name="generator" content="ex2html.rb" />
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<title>RMagick example: gradientfill.rb</title>
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<h1>gradientfill.rb</h1>
<div class="bodybox">
<div class="bodyfloat">
<pre class="language-ruby">
# frozen_string_literal: true
require 'rmagick'
# Demonstrate the GradientFill class
ROWS = 100
COLS = 300
START_COLOR = '#900'
END_COLOR = '#000'
fill = Magick::GradientFill.new(0, 0, 0, ROWS, START_COLOR, END_COLOR)
img = Magick::Image.new(COLS, ROWS, fill)
# Annotate the filled image with the code that created the fill.
ann = Magick::Draw.new
ann.annotate(img, 0, 0, 0, 0, "GradientFill.new(0, 0, 0, #{ROWS}, '#{START_COLOR}', '#{END_COLOR}')") do |options|
options.gravity = Magick::CenterGravity
options.fill = 'white'
options.stroke = 'transparent'
options.pointsize = 14
end
# img.display
img.write('gradientfill.gif')
exit
</pre>
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