Showing posts with label ruby. Show all posts
Showing posts with label ruby. Show all posts

Wednesday, 7 April 2010

Alpha compositing with rmagick

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Destination



















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Ruby source:

require 'rubygems'
require 'RMagick'

include Magick

dst = Image.read("dst.png")[0]
src = Image.read("src.png")[0]

result = dst.composite(src, 0, 0, OverCompositeOp)
result.write("result.png")
result.display

exit