Matrix/API/deps/samples/image-scroller.py
2023-11-22 15:45:55 +01:00

41 lines
1.2 KiB
Python

#!/usr/bin/env python
import time
from samplebase import SampleBase
from PIL import Image
class ImageScroller(SampleBase):
def __init__(self, *args, **kwargs):
super(ImageScroller, self).__init__(*args, **kwargs)
self.parser.add_argument("-i", "--image", help="The image to display", default="../../../examples-api-use/runtext.ppm")
def run(self):
if not 'image' in self.__dict__:
self.image = Image.open(self.args.image).convert('RGB')
self.image.resize((self.matrix.width, self.matrix.height), Image.ANTIALIAS)
double_buffer = self.matrix.CreateFrameCanvas()
img_width, img_height = self.image.size
# let's scroll
xpos = 0
while True:
xpos += 1
if (xpos > img_width):
xpos = 0
double_buffer.SetImage(self.image, -xpos)
double_buffer.SetImage(self.image, -xpos + img_width)
double_buffer = self.matrix.SwapOnVSync(double_buffer)
time.sleep(0.01)
# Main function
# e.g. call with
# sudo ./image-scroller.py --chain=4
# if you have a chain of four
if __name__ == "__main__":
image_scroller = ImageScroller()
if (not image_scroller.process()):
image_scroller.print_help()