# Author: Miguel Martinez Lopez
from Tkinter import PhotoImage
from ttk import Label
from PIL import Image, ImageTk
class AnimatedGIF(Label, object):
def __init__(self, master, path, forever=True):
self._master = master
self._loc = 0
self._forever = forever
self._is_running = False
im = Image.open(path)
self._frames = []
i = 0
try:
while True:
frame = ImageTk.PhotoImage(im.copy().convert('RGBA'))
self._frames.append(frame)
i += 1
im.seek(i)
except EOFError: pass
self._last_index = len(self._frames) - 1
try:
self._delay = im.info['duration']
except:
self._delay = 100
self._callback_id = None
super(AnimatedGIF, self).__init__(master, image=self._frames[0])
def start_animation(self, frame=None):
if self._is_running: return
if frame is not None:
self._loc = 0
self.configure(image=self._frames[frame])
self._master.after(self._delay, self._animate_GIF)
self._is_running = True
def stop_animation(self):
if not self._is_running: return
if self._callback_id is not None:
self.after_cancel(self._callback_id)
self._callback_id = None
self._is_running = False
def _animate_GIF(self):
self._loc += 1
self.configure(image=self._frames[self._loc])
if self._loc == self._last_index:
if self._forever:
self._loc = 0
self._callback_id = self._master.after(self._delay, self._animate_GIF)
else:
self._callback_id = None
self._is_running = False
else:
self._callback_id = self._master.after(self._delay, self._animate_GIF)
def pack(self, start_animation=True, **kwargs):
if start_animation:
self.start_animation()
super(AnimatedGIF, self).pack(**kwargs)
def grid(self, start_animation=True, **kwargs):
if start_animation:
self.start_animation()
super(AnimatedGIF, self).grid(**kwargs)
def place(self, start_animation=True, **kwargs):
if start_animation:
self.start_animation()
super(AnimatedGIF, self).place(**kwargs)
def pack_forget(self, **kwargs):
self.stop_animation()
super(AnimatedGIF, self).pack_forget(**kwargs)
def grid_forget(self, **kwargs):
self.stop_animation()
super(AnimatedGIF, self).grid_forget(**kwargs)
def place_forget(self, **kwargs):
self.stop_animation()
super(AnimatedGIF, self).place_forget(**kwargs)
if __name__ == "__main__":
from Tkinter import Tk, Label
root = Tk()
# Add the path to a GIF to make the example working
l = AnimatedGIF(root, "path to GIF")
l.pack()
root.mainloop()
Diff to Previous Revision
--- revision 8 2017-04-10 11:19:16
+++ revision 9 2017-04-10 11:22:55
@@ -67,6 +67,7 @@
self._callback_id = self._master.after(self._delay, self._animate_GIF)
else:
self._callback_id = None
+ self._is_running = False
else:
self._callback_id = self._master.after(self._delay, self._animate_GIF)
