''' Purpose: generate a randomly colored image of appropriate size
'''

import random

from PIL import Image
from image_support import get_blank_image, set_pixel, show

# specify background color
RGB_alice_blue = ( 240, 248, 255 )

# get desired width and height
reply = input( "Enter width and height of interest: " )

w, h = reply.split()
w, h = int( w ), int( h )

# specify image dimension
size = ( w, h )

# get appropriately sized and colored image
img = get_blank_image( size, RGB_alice_blue )

# overwrite the image pixels in a rightward sweep
for x in range( 0, w ) : 
    for y in range( 0, h ) : # for a given x process the y's from top to bottom

        # use x and y combination as spot on the image
        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 )