# Tk_image_resize_demo.py

# Tk_image_resize_demo.py

from Tkinter import *
from PIL import ImageTk, Image

root=Tk()
img=Image.open("solidball.png") # http://tinyurl.com/h2sball001
canvas=Canvas(root, height=200, width=200)
canvas.pack(side = TOP, expand=True, fill=BOTH)

def img_resize(basewidth):
    image=img
    wpercent = (basewidth / float(image.size[0]))
    hsize = int((float(image.size[1]) * float(wpercent)))
    image = image.resize((basewidth, hsize), Image.ANTIALIAS)
    photo = ImageTk.PhotoImage(image)
    item4 = canvas.create_image(100, 100, image=photo)
    canvas.update()
#
while True:
    for basewidth in range(1, 400):
        img_resize(basewidth)
root.mainloop()