recognizeImage method

@override Future<List<OcrResult>> recognizeImage(String imagePath)

从图片文件路径识别文字。

Implementation

@override
Future<List<OcrResult>> recognizeImage(String imagePath) async {
  if (!_ffiAvailable) {
    return _getImpl().recognizeImage(imagePath);
  }
  _ensureEngine();
  if (_engine == null || _engine == nullptr) {
    return _getImpl().recognizeImage(imagePath);
  }

  final engine = _engine!;
  final bindings = PpOcrFfiBindings.instance;
  final resultC = bindings.recognizeFile(engine, imagePath);

  if (resultC.error != nullptr) {
    final err = resultC.error.toDartString();
    throw Exception('OCR recognition failed: $err');
  }

  return _parseResultsC(resultC);
}