# Tk_1200x680_Each_Pixel_A_Random_Color_Test_6.py

# Tk_1200x680_Each_Pixel_A_Random_Color_Test_6.py

from Tkinter import *
from PIL import Image, ImageTk
import multiprocessing as mp
from random import choice as rnd
import time

def oRGB(rgb): # pass
    r,g,b = rgb
    return "#%02x%02x%02x" % (r,g,b)

ww = 1200
hh = 680
root = Tk()
root.title("Tk_1200x680_Each_Pixel_A_Random_Color_Test_5")
root.geometry("%dx%d+0+0"%(ww,hh))
canvas = Canvas(root, width=ww, height=hh)
canvas.grid()

RGBs = []
def z():
    RGBs.append((r,g,b))
r,g,b = 255,0,0
for g in range(256):
    z()
for r in range(254, -1, -1):
    z()
for b in range(256):
    z()
for g in range(254, -1, -1):
    z()
for r in range(256):
    z()
for b in range(254, -1, -1):
    z()

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

def my_function():
    result = []
    for z in range(ww):
        result += [rnd(RGBs)]
    return result

def get_result(result):
    pix.extend(result)

if __name__ == '__main__':
    while 1:
        pix = []
        pool = mp.Pool(mp.cpu_count())
        for i in range(0, hh):
            pool.apply_async(my_function, args=(), callback=get_result)
        pool.close()
        pool.join()
        img.putdata(pix)
        imgTk = ImageTk.PhotoImage(img)
        canvas.create_image(0, 0, anchor=NW, image=imgTk)
        canvas.update()