public async Task <IRecognitionResults> RecognizeAsync(IRecognitionConfiguration config, bool runParallel = true)
{
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
var type = await _recognizer.GetFileTypeAsync(config.File.DataStream);
if (type == ImageFileTypes.Unrecognized)
{
throw new InvalidOperationException("Image file type not recognized.");
}
var tesseractFactory = _tesseractFactory.CreateFactory(config.Engine.TessData, config.Engine.Language, (EngineMode)config.Engine.EngineMode);
var preprocessors = config.Preprocessors.Select(x => _preprocessorFactory.Create(x)).ToArray();
using var storedFile = await _storage.StoreAsync(config.File);
if (config.File.DisposeStream)
{
config.File.DataStream.Dispose();
}
var job = _jobFactory.Create(type, storedFile, tesseractFactory, preprocessors);
if (runParallel)
{
return(await _jobQueue.EnqueueAsync(job));
}
return(await job.ExecuteAsync());
}
private IStoredImageFile ExportJpegImage(PdfDictionary image)
{
var bytes = image.Stream.Value;
return(_storage.StoreAsync(bytes).Result);
}