Matrix/API/main.py

#!/usr/bin/env python
from deps.samplebase import SampleBase
from rgbmatrix import graphics
import time


class Text(SampleBase):
	def __init__(self, *args, **kwargs):
		super(Text, self).__init__(*args, **kwargs)
		self.parser.add_argument("-t", "--text", help="The text to scroll on the RGB LED panel", default="Hello world!")

	def run(self):
		offscreen_canvas = self.matrix.CreateFrameCanvas()
		font = graphics.Font()
		font.LoadFont("deps/fonts/9x18B.bdf")
		text_color = graphics.Color(255, 255, 255)

		offscreen_canvas.Clear()
		graphics.DrawText(offscreen_canvas, font, 0, 18, text_color, self.args.text)
		self.matrix.SwapOnVSync(offscreen_canvas)

		while True:
			time.sleep(0.05)


if __name__ == "__main__":
	text = Text()
	if not text.process():
		text.print_help()