90 lines
2.7 KiB
Python
Executable file
90 lines
2.7 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import sys, os
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from PIL import Image, ImageFont, ImageDraw
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import argparse
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import jinja2
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import re
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import time
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def gen_char(index, c, im):
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bw = (im.size[0] + 7) // 8
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res = {
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'index': index,
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'code': c,
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'offset': bw * im.size[1] * index,
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'rows': []
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}
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data = tuple(im.getdata())
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for row in range(im.size[1]):
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r = {
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'data': [],
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'asc': [],
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}
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for b in range(bw):
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byte = 0
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for i in range(8):
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idx = b * 8 + i
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bit = data[row * im.size[0] + idx] if idx < im.size[0] else 0
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if bit:
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byte |= 1
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r['asc'].append('#')
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else:
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r['asc'].append('.')
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byte <<= 1
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r['data'].append(byte >> 1)
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r['asc'] = ''.join(r['asc'])
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res['rows'].append(r)
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return res
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def main(args):
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fnt = ImageFont.load(args.font)
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size = fnt.getsize('A')
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im = Image.new('RGB', size)
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draw = ImageDraw.Draw(im)
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if args.last - args.first < 1:
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raise ValueError('Invalid --first or --last')
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chars = []
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for idx in range(args.last - args.first + 1):
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draw.rectangle(((0, 0), size), fill = 0)
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draw.text((0, 0), chr(idx + args.first), font=fnt)
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chars.append(gen_char(idx, idx + args.first, im.convert('1')))
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env = jinja2.Environment(loader=jinja2.FileSystemLoader(os.path.dirname(os.path.abspath(__file__))), finalize=lambda x: '' if x is None else x)
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print(env.get_template(args.template).render({
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'font': {
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'name': args.name,
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'size': size,
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'charset': args.charset,
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'first': args.first,
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'last': args.last,
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},
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'chars': chars,
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'created': time.ctime()
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}))
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_CLEAN_RE = re.compile(r'[^a-z0-9_]', re.I)
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def clean_str(s):
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return _CLEAN_RE.sub('_', s)
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if __name__ == "__main__":
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parser=argparse.ArgumentParser(description='Fixed fonts converter')
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parser.add_argument('-f', '--font', type=str, required=True, help='PIL font filename')
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parser.add_argument('-n', '--name', type=clean_str, required=True, help='Font name')
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parser.add_argument('-c', '--charset', type=clean_str, required=True, help='Charset')
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parser.add_argument('--first', type=int, help='First character', default=1)
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parser.add_argument('--last', type=int, help='Last character', default=255)
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parser.add_argument('-t', '--template', type=str, help='Template filename', default='template.c')
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main(parser.parse_args(sys.argv[1:]))
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