Update ImageDraw.py

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nediamond 2017-06-29 19:43:32 -04:00 committed by GitHub
parent 97f652ab2b
commit 3e9a578c07

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@ -374,6 +374,6 @@ def floodfill(image, xy, value, border=None, thresh=0):
def _color_diff(rgb1, rgb2):
"""
Uses distance formula to calculate difference between two rgb values.
Uses 1-norm distance to calculate difference between two rgb values.
"""
return ((rgb1[0]-rgb2[0])**2 + (rgb1[1]-rgb2[1])**2 + (rgb1[2]-rgb2[2])**2)**.5
return abs(rgb1[0]-rgb2[0]) + abs(rgb1[1]-rgb2[1]) + abs(rgb1[2]-rgb2[2])