# tk_random_infinite_zoom.py

# tk_random_infinite_zoom.py

import tkinter as tk
from PIL import Image, ImageTk, ImageDraw, ImageFilter
import random
import math

ww = 300
hh = 300

root = tk.Tk()
root.title("tk_random_infinite_zoom")
root.geometry("%dx%d+0+0"%(ww,hh))
canvas = tk.Canvas(root, bg='white', width=ww, height=hh)
canvas.pack()

cx, cy = ww//2, hh//2

img = Image.new('RGB', (ww, hh), "white")

zoom = 1.9
rnd = 10
w2 = int(ww*0.25)
h2 = int(hh*0.25)
while 1:
    for y0 in range(w2, ww-w2, 2):
        for x0 in range(h2, hh-h2, 2):
            for (x, y) in ((x0, y0), (x0+1, y0), (x0, y0+1)):
                r, g, b = img.getpixel((x, y))
                r = max(0, min(255, r + random.randint(-rnd, rnd)))
                g = max(0, min(255, g + random.randint(-rnd, rnd)))
                b = max(0, min(255, b + random.randint(-rnd, rnd)))
                img.putpixel((x, y), (r, g, b))

    # crop parameters to zoom into the center
    img = img.crop((zoom*3, zoom*3, ww-zoom*3, hh-zoom*3))
    img = img.resize((ww, hh), resample=Image.LANCZOS)

    tkimg = ImageTk.PhotoImage(img)
    canvas.create_image((cx, cy), image=tkimg)

    canvas.update()
    canvas.scale('all', cx, cy, zoom, zoom)