''' Purpose: generate random colors over a user-specified selfie
'''

from PIL import Image

import random

from image_support import get_selfie, set_pixel, get_size, show

# get selfie of interest
img = get_selfie( "jpc" ); 

# get selfie dimensions
w, h = get_size( img )

for x in range( 0, w, 2 ) : # examining pixels in a rightward sweep
    for y in range( 0, h, 2 ) : # process for a given x from top to bottom

        # use the x and y combination as spot on the picture
        spot = ( x, y )

        # generate a random color for the spot

        r = random.randrange( 0, 256 )
        g = random.randrange( 0, 256 )
        b = random.randrange( 0, 256 )

        c = ( r, g, b )
    
        # set the img pixel at spot to color c 
        set_pixel( img, spot, c )

# show image
show( img )