# counts the different colors in an image
# cmc, 11/17/09

from cImage import *

filename = input("\nenter filename, including .gif suffix: ")
im = FileImage(filename)

w = im.getWidth()
h = im.getHeight()
colors = []
for row in range(h):
    for col in range(w):
        p = im.getPixel(col, row)
        rgb = (p.getRed(), p.getGreen(), p.getBlue())

        if rgb not in colors:
            colors.append(rgb)

print("number of different colors:", len(colors))