1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#!/usr/bin/python3
# Convert bitmap font from/to PNG
#
# Copyright (C) 2019 Sylvain Beucler
#
# This file is part of Meritous.
#
# Meritous is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Meritous is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Meritous. If not, see <http://www.gnu.org/licenses/>.
# unsigned char font_data[128][8][8];
# font.dat contains 128 images, size 8x8, 8-bit greyscale format
import PIL.Image
import sys
def usage():
print("Usage: ./font.py [encode font.png | decode font.dat]")
sys.exit(1)
if len(sys.argv) != 3:
usage()
if sys.argv[1] == 'decode':
f = open(sys.argv[2], 'rb').read()
im = PIL.Image.new('L', (128*8,8))
for c in range(0,128):
for x in range(0,8):
for y in range(0,8):
im.putpixel((c*8+x,y), f[c*8*8+y*8+x])
filename = sys.argv[2].replace('.dat', '.png')
im.save(filename)
print("wrote " + filename)
elif sys.argv[1] == 'encode':
im = PIL.Image.open(sys.argv[2])
enc = bytearray(128*8*8)
for c in range(0,128):
for x in range(0,8):
for y in range(0,8):
v = im.getpixel((c*8+x,y))
enc[c*8*8+y*8+x] = v
filename = sys.argv[2].replace('.png', '.dat')
open(filename, 'wb').write(enc)
print("wrote " + filename)
else:
usage()
|
