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composite_tiled.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">
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<title>RMagick example: composite_tiled.rb</title>
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<h1>composite_tiled.rb</h1>
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<pre class="language-ruby">
# frozen_string_literal: true
require 'rmagick'
# Create a transparent image to tile over the background image.
wm = Magick::Image.read('xc:none') { |options| options.size = '100x50' }.first
# Draw "RMagick" in semi-transparent text on the transparent image.
gc = Magick::Draw.new
gc.fill '#ffffff7f'
gc.font_weight Magick::BoldWeight
gc.font_size 18
gc.rotate 15
gc.gravity Magick::CenterGravity
gc.text 0, 0, 'RMagick'
gc.draw wm
# Read the background image.
img = Magick::Image.read('images/Flower_Hat.jpg').first
# Composite the tile image over the background image.
img.composite_tiled! wm
img.write 'composite_tiled.jpg'
</pre>
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