def create_circular_meter(self, name):
""" Create circular meter
:param name: meter name
"""
config = self.meter_config[name]
if config[CHANNELS] == 2:
left_channel_queue = self.data_source.left_channel
right_channel_queue = self.data_source.right_channel
meter = Meter(self.util, TYPE_CIRCULAR, self.meter_config[IMAGE_FOLDER_NAME], config[UI_REFRESH_PERIOD], left_channel_queue, right_channel_queue)
meter.channels = 2
else:
mono_channel_queue = self.data_source.mono_channel
meter = Meter(self.util, TYPE_CIRCULAR, self.meter_config[IMAGE_FOLDER_NAME], config[UI_REFRESH_PERIOD], mono_channel_queue=mono_channel_queue)
meter.steps_per_degree = config[STEPS_PER_DEGREE]
start_angle = config[START_ANGLE]
stop_angle = config[STOP_ANGLE]
meter.incr = (abs(start_angle) + abs(stop_angle)) / 100
meter.add_background(config[BGR_FILENAME])
needle = meter.load_image(config[INDICATOR_FILENAME])[1]
factory = NeedleFactory(needle, config, meter.origin_x, meter.origin_y)
meter.needle_sprites = factory.needle_sprites
if config[CHANNELS] == 2:
meter.left_needle_rects = factory.left_needle_rects
meter.right_needle_rects = factory.right_needle_rects
meter.left_needle_rects = factory.left_needle_rects
s = meter.needle_sprites[0]
r = meter.left_needle_rects[0]
meter.add_image(s, 0, 0, r)
r = meter.right_needle_rects[0]
meter.add_image(s, 0, 0, r)
else:
meter.mono_needle_rects = factory.mono_needle_rects
s = meter.needle_sprites[0]
r = meter.mono_needle_rects[0]
meter.add_image(s, 0, 0, r)
if config[FGR_FILENAME]:
meter.add_foreground(config[FGR_FILENAME])
return meter
