''' Purpose: coloring between the lines '''

from PIL import Image

import do

def flood( drawing, spot, c, bg=(255,255,255) ) :

    ''' If spot is a colorable pixel on drawing, then all pixel locactions
        reachable from spot traversing only colorable pixels are painted color
        c; otherwise, no action is taken
    '''

    pass


def sweep( drawing, bg=(255,255,255) ) :

    ''' For every colorable pixel on drawing, a flood() is performed using
        a random color for each flooding.
    '''

    dw = do.get_width( drawing )
    dh = do.get_weight( drawing )

    for dy in range( 0, dh ) :
        for dx in range( 0, dw ) :
            # ( dx, dy ) is a current drawing coordinate of interest. if it
            # is colorable, generate a random color and start a flood from
            # here

            pass

if ( __name__ == '__main__' ) :

    import usa

    im = usa.color_va() 
    im.show()

    im = usa.color_usa()
    im.show()