# tk_pseudo_turing_ani.py

# tk_pseudo_turing_ani.py

from tkinter import *
from PIL import Image, ImageTk, ImageFilter, ImageDraw, ImageEnhance
import copy

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

def rgb2hex(r,g,b):
    return '#%02X%02X%02X'%(r,g,b)

def display(new_img):
    tkimg = ImageTk.PhotoImage(new_img)
    canvas.create_image(0, 0, anchor=NW, image=tkimg)
    canvas.update()

root = Tk()
root.title("tk_pseudo_turing_ani")
root.geometry("%dx%d+10+10"%(ww,hh))
canvas = Canvas(root, width=ww, height=hh, bg='white')
canvas.pack(side=LEFT, fill=BOTH, expand=True)

sz = 16
span = ww//sz
c = 0
xy = range(0, sz*span, sz)

rgb = range(0, 256, 25)
colors = [rgb2hex(z, z, z) for z in rgb]

img = Image.new('RGB', (ww, hh), (0, 0, 0))
draw = {}
draw[0] = ImageDraw.Draw(img)
blur_radius = 0.025 * min(img.size)

sz = 30
c = 0
xy = range(0, sz*20, sz)
for y in xy:
    c = (c + 3) % 11
    for x in xy:
        color = colors.pop(c)
        colors.append(color)
        draw[0].rectangle((x, y, x+sz, y+sz), fill=color, outline=color)
        c = (c + 1) % 11
draw['source'] = img.filter(ImageFilter.GaussianBlur(radius=blur_radius))

def apply_color_threshold(p):
    if p > 128:
        return 0
    else:
        return 255

def waves():
    for i in range(0, 100):
        alpha = i / 100.0
        img2 = Image.blend(draw['source'], draw['target'], alpha)

        # Apply the color threshold using Image.point for each channel (R, G, B)
        r, g, b = img2.split()
        g = g.point(apply_color_threshold)
        img2 = Image.merge('RGB', (r, g, b))  # Merge the modified channels back into an RGB image

        display(img2)

    draw['source'] = copy.deepcopy(draw['target'])

while 1:
    for y in xy:
        c = (c + 1) % 11
        for x in xy:
            color = colors.pop(c)
            colors.append(color)
            draw[0].rectangle((x, y, x+sz, y+sz), fill=color, outline=color)
            c = (c + 1) % 11
    draw['target'] = img.filter(ImageFilter.GaussianBlur(radius=blur_radius))

    waves()