1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
# -*- python -*-
# This example demonstrates how the currents settings
# can be read and transitioned from.
uses_adhoc_opts = True
'''
:bool `True` if the configuration script parses the ad-hoc settings
'''
# Get --temperature from Blueshift ad-hoc settigns
temperature_to = int(parser.opts['--temperature'][0])
# Get current colour curves
randr_get(0)()
r_, g_, b_ = r_curve[:], g_curve[:], b_curve[:]
start_over()
# Calculate divergence
temperature(temperature_to, lambda t : divide_by_maximum(cmf_10deg(t)))
f = lambda xy : abs(xy[0] - xy[1])
divergence = max([max(map(f, zip(x, y))) for x, y in curves(r_, g_, b_)])
# Get the end state colour curves
r, g, b = r_curve[:], g_curve[:], b_curve[:]
# Calculate transition time
fadein_time = divergence * 5
fadein_steps = fadein_time * 10
# Function for setting the colour temperature
def adjust(alpha):
f = lambda on : on[0] * (1 - alpha) + on[1] * alpha
ccc = curves((r_, r), (g_, g), (b_, b))
ccc = [(out, list(map(f, zip(old, new)))) for out, (old, new) in ccc]
for out, curve in ccc:
out[:] = curve
randr(0)
# Perform transition
if divergence and not panicgate:
signal.signal(signal.SIGTERM, signal_SIGTERM)
dtime = fadein_time / fadein_steps
df = 1 / fadein_steps
trans = 0
while running:
try:
trans += df
if trans > 1:
break
adjust(trans)
time.sleep(dtime)
except KeyboardInterrupt:
running = False
adjust(1)
|
