''' Module gen.py
'''

from PIL import Image

def neg_pixel( p ) :

    pass

def neg_image( original ) :

    pass

if ( __name__ == '__main__' ) :

    p = ( 50, 100, 200 )
    np = neg_pixel( p )
    print( 'neg_pixel(', p, '): ', np )

    import url

    IMAGE_WEB_FOLDER = 'http://www.cs.virginia.edu/~cs1112/images/'

    tj = IMAGE_WEB_FOLDER + 'tj.png'
    ml = IMAGE_WEB_FOLDER + 'ml.png'

    tj = url.get_image(  tj )
    ml = url.get_image(  ml )

    try :
        im = neg_image( tj )
        im.show()
    except :
        print( 'neg_image() did not complete when processing Thomas Jefferson' )

    try :
        im = neg_image( ml )
        im.show()
    except :
        print( 'neg_image() did not complete when processing Mona Lisa' )