SyncTk/classes/custom/image_label.py
2023-01-22 20:06:55 +01:00

40 lines
1.0 KiB
Python

import tkinter as tk
from PIL import Image, ImageTk
from itertools import count, cycle
class ImageLabel(tk.Label):
"""
A Label that displays images, and plays them if they are gifs
:im: A PIL Image instance or a string filename
"""
def load(self, im):
if isinstance(im, str):
im = Image.open(im)
frames = []
try:
for i in count(1):
frames.append(ImageTk.PhotoImage(im.copy()))
im.seek(i)
except EOFError:
pass
self.frames = cycle(frames)
try:
self.delay = im.info['duration']
except:
self.delay = 100
if len(frames) == 1:
self.config(image=next(self.frames))
else:
self.next_frame()
def unload(self):
self.config(image=None)
self.frames = None
def next_frame(self):
if self.frames:
self.config(image=next(self.frames))
self.after(self.delay, self.next_frame)