# tk_pulsate_zoom.py

import tkinter as tk
from PIL import Image, ImageTk
import random

WW, HH = 640, 640
scale = 20
blend_alpha = 0.025  # Subtle blend effect

root = tk.Tk()
root.title("# tk_pulsate_zoom.py")
canvas = tk.Canvas(root, width=WW, height=HH)
canvas.pack()

grid_colors = {
    (0, 0): (255, 255, 255), (0, 1): (255, 255, 0), (0, 2): (0, 255, 0),
    (1, 0): (255, 165, 0),   (1, 1): (128, 128, 128), (1, 2): (0, 0, 255),
    (2, 0): (255, 0, 0),     (2, 1): (128, 0, 128),   (2, 2): (0, 0, 0)
}
small_img = Image.new('RGB', (3, 3))
for y in range(3):
    for x in range(3):
        small_img.putpixel((x, y), grid_colors[(x, y)])
base_img = small_img.resize((WW, HH))
shuffle_img = small_img.resize((7, 7))
data = list(shuffle_img.getdata())

def shuffled_image():
    random.shuffle(data)
    small_shuffled = Image.new('RGB', (7, 7))
    small_shuffled.putdata(data)
    return small_shuffled.resize((WW, HH))

img = base_img.copy()
photo = ImageTk.PhotoImage(img)
shuffled_img = Image.new('RGB', img.size)
canvas.create_image(0, 0, image=photo, anchor=tk.NW)

i = 0

while True:
	zoomed = img.resize((WW, HH))
	photo = ImageTk.PhotoImage(zoomed)
	canvas.create_image(0, 0, image=photo, anchor=tk.NW)

	img = img.crop((scale, scale, WW - scale, HH - scale))
	img = img.resize((WW, HH))
	i += 1
	if i > 10:
		shuffled_img = shuffled_image()
		i = 0
	img = Image.blend(img, shuffled_img, alpha=blend_alpha)

	root.update()