Sha256: 4556debe23747d98b9fff9dd9be177ad29259a0373bff4fbb4e69787c6d95ea7

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Size: 697 Bytes

Versions: 6

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Stored size: 697 Bytes

Contents

#!/usr/bin/env ruby -w
require 'rmagick'

# Demonstrate the Image#enhance method

img = Magick::Image.read('images/Flower_Hat.jpg').first
img = img.add_noise(Magick::UniformNoise)

eimg = img.enhance

# Zoom in so we can see the change
img.resize!(3)
eimg.resize!(3)

# Make a before-and-after composite
eimg.crop!(Magick::EastGravity, eimg.columns / 2, eimg.rows)
img = img.composite(eimg, Magick::EastGravity, Magick::OverCompositeOp)

# Draw a black line between the before and after parts.
line = Magick::Draw.new
line.line(img.columns / 2, 0, img.columns / 2, img.rows)
line.draw(img)

# Crop everything but the face.
img.crop!(Magick::CenterGravity, 250, 200)

img.write('enhance.jpg')
exit

Version data entries

6 entries across 6 versions & 1 rubygems

Version Path
rmagick-4.1.0.rc2 doc/ex/enhance.rb
rmagick-4.1.0.rc1 doc/ex/enhance.rb
rmagick-4.0.0 doc/ex/enhance.rb
rmagick-3.2.0 doc/ex/enhance.rb
rmagick-3.1.0 doc/ex/enhance.rb
rmagick-3.0.0 doc/ex/enhance.rb