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[WIP] Add hsv to rgb conversion function in restricted list #25

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[WIP] Add hsv to rgb conversion function in restricted list #25

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e835ab7
Add hsv to rgb conversion function in restricted list
ohthehugemanatee Nov 14, 2021
103cb71
Return to stock colorsys function
ohthehugemanatee Nov 14, 2021
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12 changes: 12 additions & 0 deletions ledcontrol/animationcontroller.py
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Original file line number Diff line number Diff line change
Expand Up @@ -148,6 +148,7 @@ def getiter(obj):
'fract': utils.fract,
'blackbody_to_rgb': driver.blackbody_to_rgb,
'blackbody_correction_rgb': driver.blackbody_correction_rgb,
'hsv_to_rgb': self.hsv_to_rgb,
}
restricted_locals = {}
arg_names = ['t', 'dt', 'x', 'y', 'z', 'prev_state']
Expand Down Expand Up @@ -277,6 +278,17 @@ def calculate_palette_table(self):
self.palette_length = len(palette['colors'])
self.update_needed = True

def hsv_to_rgb(h, s, v):
if s == 0.0: return (v, v, v)
i = int(h*6.) # XXX assume int() truncates!
f = (h*6.)-i; p,q,t = v*(1.-s), v*(1.-s*f), v*(1.-s*(1.-f)); i%=6
if i == 0: return (v, t, p)
if i == 1: return (q, v, p)
if i == 2: return (p, v, t)
if i == 3: return (p, q, v)
if i == 4: return (t, p, v)
if i == 5: return (v, p, q)

def get_palette_color(self, t):
'Get color from current palette corresponding to index between 0 and 1'
# This gives a surprising performance improvement over doing the math in python
Expand Down