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

from PIL import Image

import do

def flood( page, spot, c, bg ) :

    ''' 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( page, bg ) :

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

    page_width = do.get_width( page )
    page_height = do.get_height( page )

    for px in range( 0, page_width ) :
        for py in range( 0, page_height ) :
            spot = (px, py)     # spot is the current drawing coordinate of
                                # interest 

            # if spot is colorable, generate a random color and start a flood
            # from there

            pass

if ( __name__ == '__main__' ) :

    import usa

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

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