#!/usr/bin/env python3

import blup.frame
import blup.animation
import blup.writebml
import sys

if len(sys.argv) != 3:
    print('usage: %s INFILE OUTFILE' % (sys.argv[0]), file=sys.stderr)
    sys.exit(1)
infname = sys.argv[1]
outfname = sys.argv[2]

anim = blup.animation.load(infname)

dim = blup.frame.FrameDimension(22, 16, 256, 3)
newanim = blup.animation.Animation(dim)

for f in anim:
    newf = blup.animation.AnimationFrame(dim, f.delay)
    for x in range(f.dimension.width):
        for y in range(f.dimension.height):
            newf.setPixel(x + 2, y*2, tuple(map(lambda x: int((x/anim.dimension.depth)*dim.depth), f.getPixel(x, y))))
            newf.setPixel(x + 2, y*2 + 1, tuple(map(lambda x: int((x/anim.dimension.depth)*dim.depth), f.getPixel(x, y))))
    newanim.addFrame(newf)

writebml.writeBml(newanim, outfname)