# tk_funky_rgb.py

# tk_funky_rgb.py

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

ww = 600
hh = 600
cx, cy = ww // 2, hh // 2

root = tk.Tk()
root.title("tk_funky_rgb")
root.geometry("%dx%d+%d+%d" % (ww, hh, 10, 10))
canvas = tk.Canvas(root, width=ww, height=hh)
canvas.pack()

colors = []
t = [z for z in range(0, 256, 9)]
for r in t:
    for g in t:
        for b in t:
            colors += [(r, g, b, 255)]
Lc = len(colors)

def plot():
    photo = ImageTk.PhotoImage(buffer)
    canvas.create_image(cx, cy, anchor=tk.CENTER, image=photo)
    canvas.image = photo
    root.update()

def crop_center(crop=15):
    return img.crop((crop, crop, ww-crop, hh-crop))

p = 60
def generate_new_image():
    global idx
    size = 8
    for blur in '.'*3:
        img = Image.new("RGB", (size, size))
        pixels = img.load()
        for y in range(size):
            for x in range(size):
                color = colors.pop(idx**3)
                idx = (idx + 1) % 16
                pixels[x, y] = color
                colors.append(color)
        img = img.resize((ww+p, hh+p))
        size *= 2
    img = img.resize((ww, hh))
    return img

img = Image.new("RGB", (ww, hh), (128, 128, 128))
idx = 0
while 1:
    img = crop_center()
    img = img.resize((ww, hh), Image.BICUBIC)
    img = Image.blend(img, generate_new_image(), 0.05)
    buffer = img.filter(ImageFilter.GaussianBlur(5.0))
    buffer = buffer.point(lambda x: x // 25 * 40)
    plot()
    idx += 1