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trezor-firmware/gen/fonts/generate.py
2014-04-29 14:38:32 +02:00

32 lines
859 B
Python
Executable File

#!/usr/bin/python
from PIL import Image
class Img(object):
def __init__(self, fn):
im = Image.open(fn)
self.w, self.h = im.size
self.data = list(im.getdata())
def pixel(self, r, c):
p = self.data[ r + c * self.w ]
if p == (255, 255, 255):
return '0'
if p == (0, 0, 0):
return '1'
if p == (255, 0, 255):
return None
raise Exception('Unknown color', p)
img = Img('font.png')
cur = ''
for i in range(img.w):
if img.pixel(i, 0) == None:
cur = '\\x%02x' % (len(cur) / 4) + cur
print '\t(uint8_t *)"%s",' % cur
cur = ''
continue
val = img.pixel(i, 0) + img.pixel(i, 1) + img.pixel(i, 2) + img.pixel(i, 3) + img.pixel(i, 4) + img.pixel(i, 5) + img.pixel(i, 6) + img.pixel(i, 7)
cur += '\\x%02x' % int(val, 2)