python - Play Animations in GIF with Tkinter

18
votes

I've been trying to play an animated gif using Tkinter.PhotoImage, but haven't been seeing any success. It displays the image, but not the animation. The following is my code:

root = Tkinter.Tk()
photo = Tkinter.PhotoImage(file = "path/to/image.gif")
label = Tkinter.Label(image = photo)
label.pack()
root.mainloop()

It displays the image in a window, and that's it. I'm thinking that the issue has something to do with Tkinter.Label but I'm not sure. I've looked for solutions but they all tell me to use PIL (Python Imaging Library), and it's something that I don't want to use.

With the answer, I created some more code (which still doesn't work...), here it is:

from Tkinter import *

def run_animation():
    while True:
        try:
            global photo
            global frame
            global label
            photo = PhotoImage(
                file = photo_path,
                format = "gif - {}".format(frame)
                )

            label.configure(image = nextframe)

            frame = frame + 1

        except Exception:
            frame = 1
            break

root = Tk()
photo_path = "/users/zinedine/downloads/091.gif"

photo = PhotoImage(
    file = photo_path,
    )
label = Label(
    image = photo
    )
animate = Button(
    root,
    text = "animate",
    command = run_animation
    )

label.pack()
animate.pack()

root.mainloop()

Thanks for everything! :)

2
pythonanimationtkintergif
You could check if it has something to with being attached to a Label widget by using it instead on a Canvas widget (C.create_image(x, y, image=photo). - martineau
I don't know if I'm doing something wrong with Canvas but I only get the bottom right corner of my image and it looks pixelated... - Zizouz212
Try getting it working with a non-animated image first, then switch to an animated one afterward. - martineau
Same thing happens with non-animated gif... - Zizouz212
All I can say without seeing the code is that you must be doing it wrong. - martineau

2 Answers

15
votes

You have to drive the animation yourself in Tk. An animated gif consists of a number of frames in a single file. Tk loads the first frame but you can specify different frames by passing an index parameter when creating the image. For example:

frame2 = PhotoImage(file=imagefilename, format="gif -index 2")

If you load up all the frames into separate PhotoImages and then use timer events to switch the frame being shown (label.configure(image=nextframe)). The delay on the timer lets you control the animation speed. There is nothing provided to give you the number of frames in the image other than it failing to create a frame once you exceed the frame count.

See the photo Tk manual page for the official word.

9
votes

Here's a simpler example without creating an object:

from tkinter import *
import time
import os
root = Tk()

frameCnt = 12
frames = [PhotoImage(file='mygif.gif',format = 'gif -index %i' %(i)) for i in range(frameCnt)]

def update(ind):

    frame = frames[ind]
    ind += 1
    if ind == frameCnt:
        ind = 0
    label.configure(image=frame)
    root.after(100, update, ind)
label = Label(root)
label.pack()
root.after(0, update, 0)
root.mainloop()