def color_wheel(pos):
"""Generate rainbow colors across 0-255 positions."""
if pos < 85:
return Color(pos * 3, 255 - pos * 3, 0)
elif pos < 170:
pos -= 85
return Color(255 - pos * 3, 0, pos * 3)
else:
pos -= 170
return Color(0, pos * 3, 255 - pos * 3)
def dim(color, decay):
r = (color & 0x00ff0000) >> 16
g = (color & 0x0000ff00) >> 8
b = (color & 0x000000ff)
r = 0 if r <= 1 else int(r * decay)
g = 0 if g <= 1 else int(g * decay)
b = 0 if b <= 1 else int(b * decay)
return Color(int(r), int(g), int(b))
def setPixels(img):
pos = 0
for row in range(0, img.height):
for col in range(0, img.width):
if pos >= strip.numPixels():
return
c = col
if Config.LED['INVERTED_PANEL_ROWS']:
if row % 2 == 0:
c = 15 - col
px = img.getpixel((c, row))
strip.setPixelColor(pos, Color(px[0], px[1], px[2]))
pos += 1