2023-11-22 14:45:55 +00:00
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#!/usr/bin/env python
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# Display a runtext with double-buffering.
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2023-11-22 15:44:11 +00:00
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from ..samplebase import SampleBase
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2023-11-22 14:45:55 +00:00
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from rgbmatrix import graphics
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import time
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class RunText(SampleBase):
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def __init__(self, *args, **kwargs):
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super(RunText, self).__init__(*args, **kwargs)
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self.parser.add_argument("-t", "--text", help="The text to scroll on the RGB LED panel", default="Hello world!")
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def run(self):
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offscreen_canvas = self.matrix.CreateFrameCanvas()
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font = graphics.Font()
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font.LoadFont("../../../fonts/7x13.bdf")
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textColor = graphics.Color(255, 255, 0)
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pos = offscreen_canvas.width
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my_text = self.args.text
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while True:
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offscreen_canvas.Clear()
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len = graphics.DrawText(offscreen_canvas, font, pos, 10, textColor, my_text)
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pos -= 1
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if (pos + len < 0):
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pos = offscreen_canvas.width
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time.sleep(0.05)
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offscreen_canvas = self.matrix.SwapOnVSync(offscreen_canvas)
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# Main function
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if __name__ == "__main__":
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run_text = RunText()
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if (not run_text.process()):
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run_text.print_help()
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