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Techbrunch/pixel.rb

Created November 17, 2018 15:02
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Extact pixels from image
Raw
pixel.rb
require 'chunky_png'
i = ChunkyPNG::Image.from_file(ARGV[0])
p = ChunkyPNG::Canvas.from_io(StringIO.new(i.to_blob))
p.crop(452,1600,61,63).save('test.png')
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