bytesFor method

Implementation

@override
Future<Uint8List> bytesFor(LLResolvedFont font) async {
  final String cacheName = switch (font.kind) {
    LLFontKind.file => '${_hex(font.contentHash!)}.${font.format ?? 'ttf'}',
    LLFontKind.google => 'google-${_slug(font.family ?? '')}.ttf',
    LLFontKind.none => throw StateError('no font to fetch'),
  };

  final Uint8List? cached = await _readCache(cacheName);
  if (cached != null) return cached;

  final String url = font.kind == LLFontKind.google
      ? await _resolveGoogleUrl(font.family!)
      : font.url!;

  final LLResponse response = await _fetch(url);
  if (!response.ok) {
    throw StateError('font request failed with HTTP ${response.status}');
  }
  await _writeCache(cacheName, response.bodyBytes);
  return response.bodyBytes;
}