from rgbmatrix import RGBMatrix, RGBMatrixOptions from PIL import ImageFont, Image # Das Bild nur speichern. Nicht die LED-Matrix ansteuern. DEV = False #DEV = True matrix = None MATRIX_HEIGHT = 64 MATRIX_WIDTH = 64 NUMBER_OF_PANELS = 4 class MyMatrix: def __init__(self): #self.matrix_width = options.cols * options.chain_length #self.matrix_height = options.rows try: self.font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans-ExtraLight.ttf", 18) except IOError: self.font = ImageFont.load_default() if not DEV: options = RGBMatrixOptions() options.rows = MATRIX_HEIGHT options.cols = MATRIX_WIDTH options.chain_length = NUMBER_OF_PANELS options.parallel = 1 options.hardware_mapping = 'regular' # change if using Adafruit HAT, e.g. 'adafruit-hat' options.gpio_slowdown = 5 # try 2, 4, or even 5 options.disable_hardware_pulsing = True options.drop_privileges = False self.matrix = RGBMatrix(options=options) def show(self, image): """Save the image to disk in DEV mode. Or send it to the LED matrix panel.""" if DEV: image.save('image.png') elif matrix: self.matrix.SetImage(image) else: print("Not in dev mode. And matrix not initialized.") def buffer(self): """Get an image buffer with the right dimensions""" return Image.new("RGB", (MATRIX_WIDTH * NUMBER_OF_PANELS, MATRIX_HEIGHT)) matrix = MyMatrix()