Contents

# Demonstrate ImageMagick's new (5.5.7-3 and later) built-in patterns.
# Create a Fill class that can be reused to fill in new Image backgrounds.

# Usage: pattern_fill.rb <name-of-pattern>
# Try 'checkerboard' or 'verticalsaw'

require 'RMagick'
include Magick

puts <<END_INFO

This example demonstrates the PATTERN: image format, which is
new in ImageMagick 5.5.7. Specify the name of any of the
supported patterns as an argument. For example, try "checkerboard".
        
END_INFO

class PatternFill < Magick::TextureFill
    def initialize(name='bricks')
        @pat_img = Magick::Image.read("pattern:#{name}").first
        super(@pat_img)
    end
end

if ARGV[0]
    pattern = ARGV[0]
else
    $stderr.puts "Defaulting to checkerboard pattern."
    pattern = 'checkerboard'
end

# Create a sample image that is 100x bigger than the pattern.
attrs = Image.ping("pattern:#{pattern}").first

tryit = Image.new(10*attrs.columns, 10*attrs.rows, PatternFill.new(pattern))
tryit.display
exit

Version data entries

18 entries across 18 versions & 1 rubygems

Version	Path
rmagick-1.10.1	examples/pattern_fill.rb
rmagick-1.10.0	examples/pattern_fill.rb
rmagick-1.11.0	examples/pattern_fill.rb
rmagick-1.11.1	examples/pattern_fill.rb
rmagick-1.12.0	examples/pattern_fill.rb
rmagick-1.13.0	examples/pattern_fill.rb
rmagick-1.7.1	examples/pattern_fill.rb
rmagick-1.7.2	examples/pattern_fill.rb
rmagick-1.7.3	examples/pattern_fill.rb
rmagick-1.7.4	examples/pattern_fill.rb
rmagick-1.8.0	examples/pattern_fill.rb
rmagick-1.8.1	examples/pattern_fill.rb
rmagick-1.8.2	examples/pattern_fill.rb
rmagick-1.8.3	examples/pattern_fill.rb
rmagick-1.9.0	examples/pattern_fill.rb
rmagick-1.9.1	examples/pattern_fill.rb
rmagick-1.9.2	examples/pattern_fill.rb
rmagick-1.9.3	examples/pattern_fill.rb