# Tk_automata.py

# Tk_automata.py

from Tkinter import *
from PIL import Image, ImageTk
import re
import random

ww = 600
hh = 600

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

PIXELS = [(0,0,0)]*ww

def draw():
    img.putdata(data)
    imgTk = ImageTk.PhotoImage(img)
    canvas.create_image(0, 0, anchor=NW, image=imgTk)
    root.update()

def io(n):
    return "{0:08b}".format(n)

'''
IO = []
t = ''
c = 0
while t != '11111':
    t = io(c)[-5:]
    if t[2] == '1':
        IO += [t]
    print t
    c += 1
print IO
'''

SIDES__='1100 1110 1111 1010 1011'.split()
def step(color=''):
    zzz = list(current)
    for ttt in list(re.finditer('1', current[1:-1])):
        if color:
            try:
                p[ttt.start()+ww/2-L/2] = color
            except:
                return
        else:
            t = random.randint(0,ww*2)
            if t < iii[0]:
                iii[0] = 0
                zzz[t+1:t+4] = random.choice(IO)
            t = ttt.start()-1
            b = current[t:t+5]
            if len(b) < 5:
                continue
            i = list(IO[IO.index(b)+1])
            zzz[t+1:t+4] = i
        '''
        '''
    zzz = zzz[1:]+zzz[:1]
    sides = random.choice(SIDES__)
    return sides+(''.join(zzz))[1:ww]+sides[::-1]

IO__ = ['11111', '10111', '00100', '01110', '11100', '10110', '10100', '11101', '01111', '00110', '00101', '11110', '10101', '01101', '00111', '01100']

def again(e):
    global go
    go=0
root.bind('<space>', again)
go=1
iii = [0]
while 1:
    IO = IO__[:]
    random.shuffle(IO)
    IO.append(IO[0])
    print IO
    print

    blk = [(0,0,0)]*(ww*hh)
    pix = []
    current = '1'
    prev = ''
    polar = 1
    img = Image.new("RGB",(ww, hh))
    while go:
        L = len(current)
        if L > ww:
            p = PIXELS[:]
            step((0,255,0))
            pix.extend(p)
            data = (pix)[-ww*hh:]
            draw()
        current = step()
        iii[0] += 1
    go = 1