Adafruit_Blinka_Raspberry_P.../examples/playframes.py

38 lines
1.1 KiB
Python

#!/usr/bin/python3
"""
Display a series of 64x32 PNG images as fast as possible
Run like this:
$ python playframes.py "/path/to/images/*.png"
The image files are sorted and then played repeatedly until interrupted with ctrl-c.
"""
import glob
import sys
import time
import adafruit_raspberry_pi5_piomatter as piomatter
import numpy as np
import PIL.Image as Image
images = sorted(glob.glob(sys.argv[1]))
geometry = piomatter.Geometry(width=64, height=32, n_addr_lines=4, rotation=piomatter.Orientation.Normal)
framebuffer = np.asarray(Image.open(images[0])) + 0 # Make a mutable copy
nimages = len(images)
matrix = piomatter.PioMatter(colorspace=piomatter.Colorspace.RGB888Packed,
pinout=piomatter.Pinout.AdafruitMatrixBonnet,
framebuffer=framebuffer,
geometry=geometry)
while True:
t0 = time.monotonic()
for i in images:
framebuffer[:] = np.asarray(Image.open(i))
matrix.show()
t1 = time.monotonic()
dt = t1 - t0
fps = nimages/dt
print(f"{nimages} frames in {dt}s, {fps}fps [{matrix.fps}]")