You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
1 year ago
|
#!/usr/bin/env python
|
||
|
|
# Display a runtext with double-buffering.
|
||
|
|
from samplebase import SampleBase
|
||
|
|
from rgbmatrix import graphics
|
||
|
|
import time
|
||
|
|
|
||
|
|
|
||
|
|
class RunText(SampleBase):
|
||
|
|
def __init__(self, *args, **kwargs):
|
||
|
|
super(RunText, 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("../../../fonts/7x13.bdf")
|
||
|
|
textColor = graphics.Color(255, 255, 0)
|
||
|
|
pos = offscreen_canvas.width
|
||
|
|
my_text = self.args.text
|
||
|
|
|
||
|
|
while True:
|
||
|
|
offscreen_canvas.Clear()
|
||
|
|
len = graphics.DrawText(offscreen_canvas, font, pos, 10, textColor, my_text)
|
||
|
|
pos -= 1
|
||
|
|
if (pos + len < 0):
|
||
|
|
pos = offscreen_canvas.width
|
||
|
|
|
||
|
|
time.sleep(0.05)
|
||
|
|
offscreen_canvas = self.matrix.SwapOnVSync(offscreen_canvas)
|
||
|
|
|
||
|
|
|
||
|
|
# Main function
|
||
|
|
if __name__ == "__main__":
|
||
|
|
run_text = RunText()
|
||
|
|
if (not run_text.process()):
|
||
|
|
run_text.print_help()
|