# Tk_RGB_by_sum.py

# Tk_RGB_by_sum.py

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

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

root = Tk()
root.title("RGB by sum")

ww = 1400
hh = 680

canvas = Canvas(root, width=ww, height=hh, bg="gray")
canvas.pack(side=TOP)

print 'please wait...'
rgb = [(r,g,b) for r in range(0,255) for g in range(0,255) for b in range(0,255)]
print 'almost there...'

L = len(rgb)
incr = L/(ww*hh)
rgb.sort(key=sum)
print 'a little more patience...'
rgb = [rgb[z*incr] for z in range(ww*hh)]

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

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