def _get_brightness_and_fade(self, max_fade_ms: int, color: str, *, current_time=None) -> Tuple[float, int, bool]:
uncorrected_color, fade_ms, done = self._get_color_and_fade(self.stack, max_fade_ms, current_time=current_time)
corrected_color = self.gamma_correct(uncorrected_color)
corrected_color = self.color_correct(corrected_color)
if color in ["red", "blue", "green"]:
brightness = getattr(corrected_color, color) / 255.0
elif color == "white":
brightness = min(corrected_color.red, corrected_color.green, corrected_color.blue) / 255.0
else:
raise ColorException("Invalid color {}".format(color))
return brightness, fade_ms, done
def _schedule_update(self):
start_color, start_time, target_color, target_time = self._get_color_and_target_time(
self.stack)
# check if our fade target really changed
if (start_color, start_time, target_color,
target_time) == self._last_fade_target:
# nope its the same -> nothing to do
return
if self._last_fade_target and target_color == self._last_fade_target[2] and \
(self._last_fade_target[3] < 0 or self._last_fade_target[3] < self.machine.clock.get_time()):
# last fade had the same target and finished already -> nothing to do
return
self._last_fade_target = (start_color, start_time, target_color,
target_time)
if start_color != target_color:
start_color = self.color_correct(self.gamma_correct(start_color))
target_color = self.color_correct(self.gamma_correct(target_color))
else:
start_color = self.color_correct(self.gamma_correct(start_color))
target_color = start_color
for color, drivers in self.hw_drivers.items():
if color in ["red", "blue", "green"]:
start_brightness = getattr(start_color, color) / 255.0
target_brightness = getattr(target_color, color) / 255.0
elif color == "white":
start_brightness = min(start_color.red, start_color.green,
start_color.blue) / 255.0
target_brightness = min(target_color.red, target_color.green,
target_color.blue) / 255.0
else:
raise ColorException("Invalid color {}".format(color))
for driver in drivers:
driver.set_fade(start_brightness, start_time,
target_brightness, target_time)
for platform in self.platforms:
platform.light_sync()
