How to properly copy a APNG into a ImageTk.PhotoImage list (used for animations) while properly blending it with the previous frames

[maj113]

Currently what happens is:

Recording.2024-10-05.213911.mp4

I use this to copy the frames:

        ...
        raw_frames = []

        for i in range(self.frame_len):
            self.img.seek(i)
            raw_frames.append(self.img.copy())
        ...

The only other thing i do is thumbnail the frames and convert them to ImageTk.PhotoImages but the result is the same without thumbnailing

APNGs used:

http://littlesvr.ca/apng/images/clock.png

http://littlesvr.ca/apng/images/blink.png

[radarhere]

Hi. Your problem isn't necessarily anything to do with ImageTk - Pillow is having a problem handling your image by itself.

You can see this by running

from PIL import Image

with Image.open("blink.png") as im:
    im.seek(1)
    im.save("out.png")

I've created #8443 to address that.

[maj113]

Thank you for fixing this on such a short notice, I can confirm it fixes the issue on my end :)