class WhiteboardWindow(Tk):
    """Provides a window to draw to.
    """

    def __init__(self, width=100, height=100, scaling=4, defaultPeriod=0):

        Tk.__init__(self)
        self.whiteboard = Whiteboard(self, width, height, scaling)
        self.defaultPeriod = defaultPeriod

    def draw(self, point, period=None, colour=None):

        if period is None:
            period = self.defaultPeriod

        if colour is None:
            colour = "blue"

        time.sleep(period)
        self.whiteboard.draw(point, colour)

    def clear(self):
        self.whiteboard.clear()
#! /usr/bin/python

from Whiteboard import *
from Tkinter import *

root = Tk()
w = Whiteboard(root,100,100,4)

for x in range(50,60):
    for y in range(50,60):
        w.draw(Point(x,y),"blue")
        
for i in range(10,90):
    w.draw(Point(i,2*i),"blue")
    
root.mainloop()