converter.py

import tkFileDialog
from PIL import Image, ImageOps

filename = tkFileDialog.askopenfilename(defaultextension = '.jpg', filetypes = [('all files', '.*'), ('jpg', '.jpg')])
img = Image.open(filename)
r = max(img.size[0]/84.0, img.size[1]/48.0)
newsize = (int(round(img.size[0]/r)), int(round(img.size[1]/r)))
img = img.resize(newsize, resample = Image.LANCZOS)
img = img.convert(mode = '1')
image = Image.new(mode = '1', size = (84, 48), color = "white")
offset = ((84 - img.size[0]) / 2, (48 - img.size[1]) / 2)
image.paste(img, offset)
pix = image.load()
txt = [["0", "0", "0", "0", "0", "0", "0", "0"] for i in xrange(528)]
for x,y in ((x,y) for y in xrange(48) for x in xrange(84)):
  txt[y*11+x/8][x%8] = str(1 ^ 1 & pix[x,y])
txt = ["0x%s"%(hex(int("".join(i), 2))[2:].rjust(2,"0")) for i in txt]
txt = ", ".join(txt)
open(filename+".txt","w").write(txt)