Module: DHashVips

Defined in:
lib/dhash-vips.rb

Defined Under Namespace

Modules: DHash, IDHash

Class Method Summary collapse

Class Method Details

.bw(image) ⇒ Object 



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# File 'lib/dhash-vips.rb', line 6

def self.bw image
  (image.has_alpha? ? image.flatten(background: 255) : image).colourspace("b-w")[0]
end