''' Module dim: provides support for the determining the size of an
        image transformation
'''

def iso( orig ) :
    ''' Returns (w, h) where orig is a w x h image
    '''

    w, h = orig.size

    return (w,  h)

def cw( orig ) :
    ''' Returns (h, w) where orig is a w x h image
    '''

    w, h = orig.size

    return (h,  w)