make_charset.py 文件源码

def create_character(n, c, ifont):
    size = ifont.getsize(c)
    image = Image.new('RGBA', size)
    draw = ImageDraw.Draw(image)
    draw.text((0, 0), c, font=ifont)
    data = list(image.getdata())
    print 'const PROGMEM unsigned char font%d_%02x[] = {' % (n, ord(c))
    for i in range(len(data)):
        stdout.write('0x%02x, ' % data[i][0])
    print '};';
    return size