''' Provides a sandbox for image transformations
'''

from PIL import Image  # get Pillow Image capabilities

import locate, mutate, dimensions  # get our modules for image transformations


def play( original ) :
    ow, oh = original.size                          #  get dimensions of the original

    nw, nh = dimensions.same( original )            #   set dimensions of the new image

    # The new image is gonna be the same size as og.

    # get a new appropriately sized image and fill it in
    new_image = Image.new( 'RGB', ( nw, nh ) )

    for nx in range( 0, nw ) :                      #  consider all possible x values for new image
        for ny in range( 0, nh ) :                  #  consider all possible y values for new image

            nspot = ( nx, ny )                      #  set the spot to be filled in new image

            # ospot = locate.same( nspot, nw, nh )    #  determine duplicate corresponding spot in original

            # ospot = locate.mirror( nspot, nw, nh )  #  determine mirror corresponding spot in original

            ospot = locate.flip( nspot, nw, nh )    #  determine flipping corresponding spot in original

            opixel = original.getpixel( ospot )     # get the pixel at the ospot

            # npixel = mutate.same( opixel )          # determine duplicate pixel for the new image

            # npixel = mutate.blue( opixel )          # determine blue pixel for the new image

            # npixel = mutate.grey( opixel )          # determine greyscale pixel for the new image

            npixel = mutate.fade( opixel )          # determine faqded pixel for the new image

            new_image.putpixel( nspot, npixel )     # set the nspot in the new image
        
            # Please raise your hand and look towards back if you need a TA!

    return new_image  # return the filled in new image

if ( __name__ == '__main__' ) :
    import url

    # get web image of interest
    link = "http://www.cs.virginia.edu/~cs1112/images/mandrill/full.png"

    original = url.get_image( link )

    original.show()

    new_image = play( original )

    new_image.show()