def update(self, canvas):
# count the number of neighbours
canvas.clear()
for x in range(0, canvas.width):
for y in range(0, canvas.height):
noise = int(
snoise2((x + self.xoff) / self.freq, y /
self.freq, self.octaves) * 127.0 + 128.0)
if (noise > 200):
canvas.draw_pixel(x, y, Color(1, 41, 95))
elif (noise > 170):
canvas.draw_pixel(x, y, Color(67, 127, 151))
elif (noise > 140):
canvas.draw_pixel(x, y, Color(132, 147, 36))
elif (noise > 110):
canvas.draw_pixel(x, y, Color(255, 179, 15))
elif (noise > 80):
canvas.draw_pixel(x, y, Color(253, 21, 27))
elif (noise > 50):
canvas.draw_pixel(x, y, Color(181, 189, 104))
elif (noise > 20):
canvas.draw_pixel(x, y, Color(245, 151, 78))
elif (noise > 0):
canvas.draw_pixel(x, y, Color(241, 85, 65))
self.xoff += 1
def __init__(self, canvas, send_object, send_object_to_all, start_script,
restart_self, set_frame_period, set_frame_rate,
get_connected_clients):
super().__init__(canvas, send_object, send_object_to_all, start_script,
restart_self, set_frame_period, set_frame_rate,
get_connected_clients)
#self.set_frame_period(0.020)
self.set_frame_rate(20)
self.display_minute = True
self.color_delta = None
self.color = Color()
self.last_time, self.text, self.x, self.y = None, None, None, None
class clock(CustomScript):
def __init__(self, canvas, send_object, send_object_to_all, start_script,
restart_self, set_frame_period, set_frame_rate,
get_connected_clients):
super().__init__(canvas, send_object, send_object_to_all, start_script,
restart_self, set_frame_period, set_frame_rate,
get_connected_clients)
#self.set_frame_period(0.020)
self.set_frame_rate(20)
self.display_minute = True
self.color_delta = None
self.color = Color()
self.last_time, self.text, self.x, self.y = None, None, None, None
def draw(self, canvas: Canvas):
canvas.draw_text(self.text, self.x, self.y, self.color)
def __set_text(self, text, canvas):
self.text = canvas.render_text(text, size=12)
self.x = 0 # (canvas.width - self.text.width) // 2
self.y = 1 # (canvas.height - self.text.height) // 2
def __set_minute_or_hour(self, current_time, canvas):
canvas.clear()
if self.display_minute:
self.__set_text("%02i" % current_time.minute, canvas)
else:
self.__set_text("%02i" % current_time.hour, canvas)
#sleep(0.3)
def update(self, canvas):
time = datetime.datetime.now().time()
if self.last_time is None or time.minute != self.last_time.minute:
self.last_time = time
self.__set_minute_or_hour(time, canvas)
if self.color.is_black():
self.display_minute = not self.display_minute
self.__set_minute_or_hour(time, canvas)
self.color_delta = 0.02
elif self.color.is_white():
self.color_delta = -0.02
self.color.change_rgb(lambda r, g, b: (
r + self.color_delta, g + self.color_delta, b + self.color_delta))
def update(self, canvas):
force_switch = self._read_force_switch()
if force_switch != self._last_force_switch_status:
self._light_percentage = -0.2
self.logger.info("Reset light percentage")
self._last_force_switch_status = force_switch
if self._light_percentage < 0:
light_percentage = 0
elif self._light_percentage > 1:
light_percentage = 1
else:
light_percentage = self._light_percentage
color_temp = 1400 + (5500 - 1400) * light_percentage
color_value = Color.from_temperature(color_temp, light_percentage)
self.logger.info("Color temp is {} from light percentage {}".format(
color_temp, light_percentage))
self.current_color = color_value
self._light_percentage += 0.005
if self._light_percentage > 1.2:
self.logger.info("Reset light percentage, was above 1.5")
self._light_percentage = -0.2
def update(self, canvas):
# count the number of neighbours
canvas.clear()
for y in range(0, 25):
canvas.draw_pixel(
randint(0, 9), randint(0, 9),
Color(randint(0, 255), randint(0, 255), randint(0, 255)))
def __write_color_at(self, x, y, color: Color):
"""
Write a color at a specified position in the matrix
:param x: x position of pixel; counted from zero beginning on the left, must be smaller than the canvas width
:param y: y position of pixel; y is zero for the top row of pixels, must be smaller than the canvas height
:param color: the color to be written to the pixel
:return: nothing
"""
red_index = self.get_red_index(x, y)
# could be a one-liner, but i think avoiding the tuples involved is slightly faster
#self.data_buffer[red_index:red_index + 3] = color.get_rgb()
self.data_buffer[red_index] = color.get_red()
self.data_buffer[red_index + 1] = color.get_green()
self.data_buffer[red_index + 2] = color.get_blue()
def clear(self, color: Color = Color(0, 0, 0)):
"""
Set all pixels to some color
:param color: the color that should be applied
"""
# convert from 0-1 normalized to 0-255
rgb_color = color.get_rgb()
# should be faster than manually zeroing all entries
if rgb_color == [0, 0, 0]:
self.data_buffer = bytearray(self.buffer_length)
# write the color code to all leds
else:
for i in range(self.led_count):
self.data_buffer[3 * i:3 * i + 3] = rgb_color
def update(self, canvas):
if ((self.count % 3) == 0):
canvas.clear(Color(255, 255, 255))
self.count += 1
else:
canvas.clear()
self.count += 1
def randomize_colors(words: List[Word], config_file_path: str):
# generate n = mWords.size() evenly spaced hue values
available_hues = []
step_size = 1 / len(words)
offset = random.random() * step_size
for i in range(len(words)):
available_hues.append(step_size * i + offset)
# shuffle to avoid putting similar colors next to each other
random.shuffle(available_hues)
# random start offset to avoid always starting at blue
i = random.randrange(len(words))
for word in words:
# choose next hue value
hue = available_hues[i % len(words)]
# curse you, python, for not allowing ++
i += 1
# randomize value a little to further reduce similarity of output
word.rectangle.color = Color.from_hsv(hue, 1,
0.5 + random.random() * 0.5)
save_color_info(config_file_path, get_color_config(words))
def test_canvas_font():
print(inspect.currentframe().f_code.co_name)
c = Canvas(10, 10, 0)
c.set_font("helvetica.otf", 13)
blue = Color(0, 0, 255)
c.draw_text("h", 0, 0, blue)
print(repr(c))
def draw(self, canvas: Canvas):
if self.client_data is not None:
for x in range(0, canvas.width):
for y in range(0, canvas.height):
color = Color(self.client_data[x][y][0],
self.client_data[x][y][1],
self.client_data[x][y][2])
canvas.draw_pixel(x, y, color)
def __parse_rect(rectangle_list: Dict):
return Rect(
rectangle_list.get("x", 0),
rectangle_list["y"],
rectangle_list["width"],
rectangle_list.get("height", 1),
Color(255, 255, 255)
)
def draw(self, canvas):
self.frame += 1
if self.frame == 3:
self.frame = 0
for i in range(0, 2):
canvas.draw_pixel(
randint(0, canvas.width - 1), 0,
Color(randint(0, 255), randint(0, 255), randint(0, 255)))
def read_color_config_file(config_file_path, words: List[Word]):
logger = logging.getLogger("scripts:wordclock:colorlogic")
try:
with open(config_file_path, "r", encoding="utf-8") as in_file:
color_config = json.load(in_file)
update_color_info(color_config, words)
except FileNotFoundError:
logger.info(
"no wordclock color config found at {}. first start?".format(
config_file_path))
set_color(Color.from_rgb((255, 255, 255)), words)
except JSONDecodeError:
logger.error(
"bad wordclock color config at {}! re-send from app...".format(
config_file_path))
set_color(Color.from_rgb((255, 255, 255)), words)
def test_canvas_rect():
print(inspect.currentframe().f_code.co_name)
c = Canvas(10, 10, 0)
blue = Color(0, 0, 255)
c.draw_rect(2, 2, 4, 4, blue)
print(repr(c))
def draw(self, canvas: Canvas):
for x in range(0, canvas.width):
for y in range(0, canvas.height):
if self.game_board[x][y] is True:
c = Color(self.colorboard[x][y][0],
self.colorboard[x][y][1],
self.colorboard[x][y][2])
canvas.draw_pixel(x, y, c)
def test_canvas_pixel_line():
print(inspect.currentframe().f_code.co_name)
c = Canvas(10, 10, 0)
blue = Color(0, 0, 255)
for i in range(c.width - 1, 0 - 1, -1):
c.draw_pixel(9 - i, i, blue)
print(repr(c))
def _clear_properties(self):
self.current_color = Color(0, 0, 0) # type: Color
self.timezone = None # pytz.timezone("Europe/Berlin")
self.wake_time = None # datetime.now(tz=self.timezone).replace(hour=20, minute=10) # type: datetime
self.blend_in_duration = None # timedelta(minutes=30) # type: timedelta
self.time_delta = 0 # type: int
self.lower_color_temperature = 1800 # type: int
self.upper_color_temperature = 2800 # type: int
self.test_color_temperature = None # type: Optional[int]
self.enable_color_temp_test = False # type: bool
def test_canvas_draw_pixel_line(serial):
print(inspect.currentframe().f_code.co_name)
c = Canvas(156, 1, 0)
blue = Color(0, 0, 255)
while True:
for i in range(c.width):
c.draw_pixel(i, 0, blue)
serial.update(c.get_buffer_for_arduino())
def update(self, canvas):
if self.enable_color_temp_test:
self.current_color = Color.from_temperature(
self.test_color_temperature, 1)
return
force_switch = GPIO.input(17) == GPIO.LOW
# self.logger.debug("Wakeuplight force-on is {}".format(force_switch))
if force_switch:
self.current_color = Color.from_temperature(3000, .75)
self._was_forced = True
return
elif self._was_forced and not force_switch:
self._was_forced = False
self.current_color = Color(0, 0, 0)
return
if self.wake_time is None or self.blend_in_duration is None:
return
now = datetime.now(tz=self.timezone) + timedelta(
minutes=self.time_delta)
# self.time_delta += 1
if self.wake_time - self.blend_in_duration <= now <= self.wake_time + self.blend_in_duration:
# blend-in phase
light_percentage = 1
if now < self.wake_time:
light_percentage = 1 - (
(self.wake_time - now).total_seconds() /
self.blend_in_duration.total_seconds())
# convert to uint8
color_temp = self.lower_color_temperature + (
self.upper_color_temperature -
self.lower_color_temperature) * light_percentage
color_value = Color.from_temperature(color_temp, light_percentage)
# self.logger.info("{} at {}".format(color_value, now))
# apply
self.current_color = color_value
else:
self.current_color = Color(0, 0, 0)
def get_color(self, x, y) -> Color:
"""
Get a Color instance describing the color of the led at x,y
:param x: x position of pixel; counted from zero beginning on the left, must be smaller than the canvas width
:param y: y position of pixel; y is zero for the top row of pixels, must be smaller than the canvas height
:return: a Color instance
"""
red_index = self.get_red_index(x, y)
return Color(self.data_buffer[red_index],
self.data_buffer[red_index + 1],
self.data_buffer[red_index + 2])
def on_data(self, data_dictionary, source_id):
command = data_dictionary['command']
if command == "change_text":
self.text_scroller.set_text(data_dictionary['text'])
elif command == "change_color":
self.text_scroller.set_color(Color.from_rgb(data_dictionary['color']))
elif command == "change_speed":
speed = data_dictionary['speed']
self.set_frame_rate((speed + 1) * 2)
elif command == "set_font_size":
self.text_scroller.set_size(data_dictionary['size'])
else:
print("unknown command")
def __init__(self,
canvas,
text: str = None,
font_path="Inconsolata.otf",
font_size: int = 10):
self.current_x = 0
self.current_y = 0
self.current_color = Color(255, 255, 255)
self.canvas = canvas
self.font_path = font_path
self.font_size = font_size
self.current_text_width = None
self.rendered_text = None
self.text = text
self.re_render = text is not None
def test_gui_canvas_display_by_line():
print(inspect.currentframe().f_code.co_name)
print("should print blue line bottom left to top right")
try:
from MatrixGraphicalDisplay import MatrixGraphicalDisplay
c = Canvas(15, 10, 0)
gui = MatrixGraphicalDisplay(15, 10, 0)
blue = Color(0, 0, 255)
for i in range(c.width - 1, 0 - 1 + (c.width - c.height), -1):
c.draw_pixel(c.width - 1 - i, i - (c.width - c.height), blue)
gui.update_with_canvas(c)
time.sleep(.4)
except ImportError:
print("could not import tkinter, probably")
def test_gui_canvas_display_pixel_counter_up():
print(inspect.currentframe().f_code.co_name)
print("should print blue line from pixel 0 to 41")
try:
from MatrixGraphicalDisplay import MatrixGraphicalDisplay
c = Canvas(42, 1, 0)
gui = MatrixGraphicalDisplay(42, 1, 0, test_gui_canvas_display_by_line)
blue = Color(0, 0, 255)
for i in range(42):
c.draw_pixel(i, 0, blue)
gui.update_with_canvas(c)
time.sleep(0.6)
except ImportError:
print("could not import tkinter, probably")
def __get_repr_color(color: Color) -> str:
"""
Returns r(ed), g(reen), b(lue), .(lack), w(hite), matching the largest color component that the given color has.
:param color: the color of which we want to get the largest component
:return: r, g, b, . or w
"""
rgb = color.get_rgb()
# white and black have their own representations
if rgb == (0, 0, 0):
return '.'
if rgb == (1, 1, 1):
return 'w'
# return the color with the greatest part
largest_color_index = rgb.index(max(rgb))
if largest_color_index == 0:
return 'r'
elif largest_color_index == 1:
return 'g'
return 'b'
def draw(self, canvas: Canvas):
if self.enable:
canvas.clear(Color(255, 255, 255))
else:
canvas.clear()
def draw(self, canvas):
for x in range(0, 10):
canvas.draw_pixel(x, x, Color(255, 255, 255))
canvas.draw_pixel(4, 7, Color(255, 255, 255))
def test_canvas_line():
print(inspect.currentframe().f_code.co_name)
c = Canvas(10, 10, 0)
c.draw_line(0, 0, 9, 5, Color())
print(repr(c))
def update_color_info(color_array: Dict, words: List[Word]):
for color_info in color_array:
words[color_info["id"]].rectangle.color = Color.from_aarrggbb_int(
color_info["clr"])
