62 lines
2.1 KiB
Python
62 lines
2.1 KiB
Python
from rgbmatrix import RGBMatrix, RGBMatrixOptions
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from PIL import ImageFont, Image
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#from time import sleep
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# Das Bild nur speichern. Nicht die LED-Matrix ansteuern.
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DEV = False
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#DEV = True
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matrix = None
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MATRIX_HEIGHT = 64
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MATRIX_WIDTH = 64
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NUMBER_OF_PANELS = 4
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class MyMatrix:
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def __init__(self):
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#self.matrix_width = options.cols * options.chain_length
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#self.matrix_height = options.rows
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try:
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#self.font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans-ExtraLight.ttf", 18)
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self.font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", 18)
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self.large_font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", 32)
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#self.large_font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans-ExtraLight.ttf", 32)
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except IOError:
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self.font = ImageFont.load_default()
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self.large_font = ImageFont.load_default()
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self.width = MATRIX_WIDTH * NUMBER_OF_PANELS
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self.height = MATRIX_HEIGHT
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if not DEV:
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options = RGBMatrixOptions()
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options.rows = MATRIX_HEIGHT
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options.cols = MATRIX_WIDTH
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options.chain_length = NUMBER_OF_PANELS
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#options.parallel = 1
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#options.hardware_mapping = 'regular' # change if using Adafruit HAT, e.g. 'adafruit-hat'
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options.gpio_slowdown = 4 # try 2, 4, or even 5
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#options.disable_hardware_pulsing = True
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#options.show_refresh_rate = True
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options.drop_privileges = False
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#options.brightness = 60 # scale down brightness if needed
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#options.pwm_bits = 8 # default 11–12; lower = faster refresh
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self.matrix = RGBMatrix(options=options)
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def show(self, image):
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"""Save the image to disk in DEV mode. Or send it to the LED matrix panel."""
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if DEV:
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image.save('image.png')
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elif matrix:
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self.matrix.SetImage(image)
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else:
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print("Not in dev mode. And matrix not initialized.")
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def buffer(self):
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"""Get an image buffer with the right dimensions"""
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return Image.new("RGB", (MATRIX_WIDTH * NUMBER_OF_PANELS, MATRIX_HEIGHT))
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matrix = MyMatrix()
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