Extracted from Pike v7.6 release 61 at 2005-12-30.
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Image
Image.Image

Method Image.Image()->grey()


Method grey

object grey()
object grey(int r, int g, int b)

Description

Makes a grey-scale image (with weighted values).

original ->grey(); ->grey(0,0,255);

Parameter r
Parameter g
Parameter b

weight of color, default is r=87,g=127,b=41, which should be pretty accurate of what the eyes see...

Returns

the new image object

See also

color , `* , modify_by_intensity