29 lines
917 B
Python

import sys
import Image
from array import array
def getch(im, x, y):
return tuple(tuple((int(0 != im.getpixel((x + j, y + i)))) for j in range(8)) for i in range(8))
def main(filename):
sm = Image.open(filename).convert("L")
im = Image.new("L", (512, 256))
im.paste(sm, (0,0))
charset = {}
picture = []
for y in range(0, im.size[1], 8):
for x in range(0, im.size[0], 8):
glyph = getch(im, x, y)
if not glyph in charset:
charset[glyph] = 96 + len(charset)
picture.append(charset[glyph])
open(filename + ".pic", "w").write(array('B', picture).tostring())
cd = array('B', [0] * 8 * len(charset))
for d,i in charset.items():
i -= 96
for y in range(8):
cd[8 * i + y] = sum([(d[y][x] << (7 - x)) for x in range(8)])
open(filename + ".chr", "w").write(cd.tostring())
main(sys.argv[1])