Poor Man's Lenticular

lenticular.py

#!/usr/bin/env python

# https://www.youtube.com/watch?v=mmGB9ADKr5Y

import argparse
from PIL import Image

DEFAULT_STRIPS = 8


def build_parser():
	parser = argparse.ArgumentParser(description='Slice 2 images and put them back together.')
	parser.add_argument('images', metavar='FILE', type=str, nargs=2,
	                    help='image file')
	parser.add_argument('--strips', type=int, default=DEFAULT_STRIPS,
		                help='number of strips (default: %d)' % DEFAULT_STRIPS)
	return parser


def main(args):
	im1 = Image.open(args.images[0])
	im2 = Image.open(args.images[1])

	stl = im1.size[0] / args.strips

	im1_strips = []
	im2_strips = []
	for s in xrange(args.strips):
		im1_strips.append(im1.crop((s * stl, 0, (s + 1) * stl, im1.size[1])))
		im2_strips.append(im2.crop((s * stl, 0, (s + 1) * stl, im1.size[1])))

	new_im = Image.new('RGB', (stl * args.strips * 2, im1.size[1]))

	for s in xrange(args.strips):
		new_im.paste(im1_strips[s], (s * 2 * stl, 0))
		new_im.paste(im2_strips[s], ((s * 2 + 1) * stl, 0))

	new_im.show()

if __name__ == '__main__':
	main(build_parser().parse_args())