# tk_rgb_fuzzy.py

# tk_rgb_fuzzy.py

from tkinter import *
from PIL import Image, ImageTk
import itertools
from random import randint as ri, shuffle as rs
import math

ww = 512
hh = 512
root = Tk()
root.title("tk_rgb_fuzzy")
root.geometry("%dx%d+0+0"%(ww,hh))
canvas = Canvas(root, width=ww, height=hh)
canvas.grid()

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

R = [''.join(comb) for comb in itertools.product('abcdefghij', repeat=3)]
G = [''.join(comb) for comb in itertools.product('klmnopqrst', repeat=3)]
B = [''.join(comb) for comb in itertools.product('tuvwxyzABC', repeat=3)]
RRR = []
GGG = []
BBB = []
for i in range(len(R)):
    if len(set([R[i][0], R[i][1], R[i][2]])) == 3:
        RRR += [R[i]]
        GGG += [G[i]]
        BBB += [B[i]]

x2 = 720.0/ww
y2 = 720.0/hh
buffer = []
alpha = []
for y in range(hh):
    b = int(y*y2)
    for x in range(ww):
        a = int(x*x2)
        c = (a+b) // 2
        ttt = f'{RRR[a]}{GGG[b]}{BBB[c]}'
        for i in range(len(ttt)-1):
            t = ttt[i:i+2]
            alpha.append(t)
        buffer += [ttt]

alpha = sorted(list(set(alpha)))

colors = []
for r in range(0,256,5):
    for g in range(0,256,5):
        for b in range(0,256,5):
            colors += [(r,g,b)]

i = 0
while 1:
    rgb = []
    rs(colors)
    for z in buffer:
        i = ri(0,7)
        d = z[i]+z[i+1]
        idx = alpha.index(d)
        rgb += [colors[idx]]

    img.putdata(rgb)
    image_tk = ImageTk.PhotoImage(img)
    canvas.create_image(0,0,anchor=NW,image=image_tk)
    root.update()