class SendingPatternList(PatternList): """ A PatternList which also has a SendingBuffer, simplifying managing a strip which is to display only a set of Python-generated patterns. """ def __init__(self, sendingBuffer=None, reverse=False): PatternList.__init__(self) if sendingBuffer: self.__sendingBuffer = sendingBuffer else: self.__sendingBuffer = SendingBuffer() self.__reverse = reverse def setSender(self, sender): """ Set the DataSender.Sender object used by the SendingBuffer. """ self.__sendingBuffer.setSender(sender) def updateAndSend(self): """ If necessary: clear the sending buffer, apply all patterns to it, and send. @return whether an update (and send) was necessary """ if self.isChanged(): self.__sendingBuffer.clear() self.apply(self.__sendingBuffer) self.__sendingBuffer.send( reverse=self.__reverse) return True else: return False
def send(self, reverse=False): """ Draw the current colors in Turtle Graphics. Also send to Serial. """ colors = self.getColors() n = len(colors) if reverse: colors = reversed(colors) aveColor = Color() # Clear last time's drawings (dots). turtle.clear() # Draw the LEDs. for c in colors: turtle.dot(self.__DOT_SIZE, *c.getRgb()) turtle.fd(self.__SCALE) aveColor.add(c, clamp=False) # Update the background. (Causes an update.) turtle.bgcolor(*aveColor.scaled(0.4 * 1.0/n).getRgb()) # Retrace. turtle.right(180) turtle.fd(self.__SCALE*n) turtle.left(180) SendingBuffer.send(self, reverse=reverse)
