Paste: Sam
| Author: | hsv2rgb |
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| Mode: | python |
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| Date: | Fri, 18 Sep 2009 23:18:36 |
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Plain Text |
from math import floor
class HSV:
def __init__(self, h, s, v):
self.hue = h
self.saturation = s
self.value = v
def Hi(hsv):
return floor(hsv.hue / 60) % 6
def f(hsv):
return hsv.hue / 60 - Hi(hsv)
def p(hsv):
return (1 - hsv.saturation) * hsv.value
def q(hsv):
return (1 - f(hsv) * hsv.saturation) * hsv.value
def t(hsv):
return (1 - ((1 - f(hsv)) * hsv.saturation)) * hsv.value
def hsv2rgb(hsv):
h = Hi(hsv)
if h == 0:
return hsv.value, t(hsv), p(hsv)
elif h == 1:
return q(hsv), hsv.value, p(hsv)
elif h == 2:
return p(hsv), hsv.value, t(hsv)
elif h == 3:
return p(hsv), q(hsv), hsv.value
elif h == 4:
return t(hsv), p(hsv), hsv.value
else:
return hsv.value, p(hsv), q(hsv)
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