74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
#!/usr/bin/env python
|
|
|
|
import io
|
|
import sys
|
|
import json
|
|
import typing
|
|
import os.path
|
|
import argparse
|
|
import subprocess
|
|
|
|
class FontArg(object):
|
|
def __init__(self, d):
|
|
self.font = d['font']
|
|
self.range = d.get('range')
|
|
self.symbols = d.get('symbols')
|
|
|
|
|
|
def gen_lvconv_line(dest: str, size: int, bpp: int, fonts: typing.List[FontArg], compress:bool=False):
|
|
args = ['lv_font_conv', '--size', str(size), '--output', dest, '--bpp', str(bpp), '--format', 'lvgl']
|
|
if not compress:
|
|
args.append('--no-compress')
|
|
for font in fonts:
|
|
args.extend(['--font', font.font])
|
|
if font.range:
|
|
args.extend(['--range', font.range])
|
|
if font.symbols:
|
|
args.extend(['--symbols', font.symbols])
|
|
|
|
return args
|
|
|
|
def main():
|
|
ap = argparse.ArgumentParser(description='auto generate lvGL font files from fonts')
|
|
ap.add_argument('config', type=str, help='config file to use')
|
|
ap.add_argument('-e', '--enable', type=str, action='append', help='optional feature to enable in font generation', default=[], metavar='features', dest='features')
|
|
ap.add_argument('-f', '--font', type=str, action='append', help='Choose specific fonts to generate (default: all)', default=[])
|
|
args = ap.parse_args()
|
|
|
|
if not os.path.exists(args.config):
|
|
sys.exit(f'Error: the config file {args.config} does not exist.')
|
|
if not os.access(args.config, os.R_OK):
|
|
sys.exit(f'Error: the config file {args.config} is not accessable (permissions?).')
|
|
with open(args.config, 'r') as fd:
|
|
data = json.load(fd)
|
|
|
|
fonts_to_run = set(data['fonts'].keys())
|
|
|
|
if args.font:
|
|
enabled_fonts = set()
|
|
for font in args.font:
|
|
enabled_fonts.add(font[:-2] if font.endswith('.c') else font)
|
|
d = enabled_fonts.difference(fonts_to_run)
|
|
if d:
|
|
print(f'Warning: requested font{"s" if len(d)>1 else ""} missing: {" ".join(d)}')
|
|
fonts_to_run = fonts_to_run.intersection(enabled_fonts)
|
|
|
|
for name in fonts_to_run:
|
|
font = data['fonts'][name]
|
|
sources = font.pop('sources')
|
|
patches = font.pop('patches') if 'patches' in font else []
|
|
features = font.pop('features') if 'features' in font else []
|
|
for enabled_feature in args.features:
|
|
if enabled_feature in features:
|
|
sources.extend(features[enabled_feature])
|
|
font['fonts'] = [FontArg(thing) for thing in sources]
|
|
line = gen_lvconv_line(f'{name}.c', **font)
|
|
subprocess.check_call(line)
|
|
if patches:
|
|
for patch in patches:
|
|
subprocess.check_call(patch)
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|