Anonymous user
Grayscale image: Difference between revisions
m
→{{header|Ruby}}: add grayscale-in-place method
(add Ruby) |
m (→{{header|Ruby}}: add grayscale-in-place method) |
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Line 545:
end
gray
end
def to_grayscale!
@width.times do |x|
@height.times do |y|
self[x,y] = self[x,y].to_grayscale
end
end
end
end</lang>
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