# tk_phase_shift_infinite_zoom.py

# tk_phase_shift_infinite_zoom.py

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

ww = 600
hh = 600

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

scale = 0
zoom = 0.05

cx, cy = ww//2, hh//2
img = Image.new('RGB', (ww, hh), "white")

pixels = []

t = 100
cXY = [(x, y) for x in range(cx-t, cx+t) for y in range(cy-t, cy+t)]
random.shuffle(cXY)

for y in range(hh):
    for x in range(ww):
        r, g, b = random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)
        pixels.append((r, g, b))

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

o255 = {i: (i+47)%255 for i in range(256)}
blur_radius = 0.0001 * min(img.size)

# Zoom effect
while True:
    if scale > 10:
        for i in range(900):
            x, y = cXY.pop(i*3)
            cXY.append((x, y))
            r, g, b = img.getpixel((x,y))
            r = o255[r]
            g = o255[g]
            b = o255[(b-2)%255]
            img.putpixel((x, y), (r, g, b))

    xt, yt = int(ww+scale), int(hh+scale)
    img = img.resize((xt, yt), resample=Image.LANCZOS)
    img = img.filter(ImageFilter.GaussianBlur(radius=blur_radius))

    # crop parameters to zoom into the center
    img = img.crop((scale/2, scale/2, xt-scale/2, yt-scale/2))
    scale += zoom

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