def main():
from optparse import OptionParser
parser = OptionParser()
parser.add_option('-W', '--width', type='int', default=300)
parser.add_option('-H', '--height', type='int', default=300)
parser.add_option('-c', '--center', type='complex', default=0+0j)
parser.add_option('-s', '--side', type='float', default=4)
(options, args) = parser.parse_args()
root = Tk()
l = Label(root)
l.pack()
W, H = options.width, options.height
center, side = options.center, options.side
im = Image.new('P', (W, H), 0)
im.putpalette([randrange(256) for n in range(3 * 256)])
p = im.load()
z = z_converter(W, H, center, side)
l.pim = PhotoImage(im)
l.config(image=l.pim)
def paint_column(x):
if x % 10 == 0: print "Column %d" % x
for y in range(H):
p[x, y] = pixel(z(x, y))
l.pim = PhotoImage(im)
l.config(image=l.pim)
if x + 1 < W:
root.after(1, paint_column, x + 1)
def start(event):
root.after(1, paint_column, 0)
root.bind('<FocusIn>', start)
root.mainloop()
