pattern2.rb.html

<!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">
<head>
  <meta name="generator" content="ex2html.rb" />
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <link rel="stylesheet" type="text/css" href="css/popup.css" />
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/github.min.css" />
  <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
  <script>
    hljs.configure({ cssSelector: "pre" });
    hljs.highlightAll();
  </script>
  <title>RMagick example: pattern2.rb</title>
</head>
<body>
<h1>pattern2.rb</h1>
<div class="bodybox">
<div class="bodyfloat">
<pre class="language-ruby">
# frozen_string_literal: true

require 'rmagick'

hat = Magick::Image.read('images/Flower_Hat.jpg').first
hat.resize!(0.25)

# Construct a pattern using the hat image
gc = Magick::Draw.new
gc.pattern('hat', 0, 0, hat.columns, hat.rows) do
  gc.composite(0, 0, 0, 0, hat)
end

# Set the fill to the hat "pattern." Draw an ellipse
gc.fill('hat')
gc.ellipse(150, 75, 140, 70, 0, 360)

# Create a canvas to draw on
img = Magick::Image.new(300, 150, Magick::HatchFill.new('white', 'lightcyan2', 8))

# Draw the ellipse using the fill
gc.draw(img)

img.border!(1, 1, 'lightcyan2')
img.write('pattern2.gif')
exit
</pre>
</div>
</div>
<div id="close"><a href="javascript:window.close();">Close window</a></div>
</body>
</html>