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());
}
public IRecognitionResults Recognize(IRecognitionConfiguration config, bool runParallel = true)
{
return(RecognizeAsync(config, runParallel)
.ConfigureAwait(false)
.GetAwaiter()
.GetResult());
}
public IRecognitionConfigurationBuilder ConfigureFrom(IRecognitionConfiguration clonedConfiguration)
{
var newConfiguration = new RecognitionConfiguration();
newConfiguration.TessData = clonedConfiguration.Engine.TessData;
newConfiguration.Language = clonedConfiguration.Engine.Language;
newConfiguration.EngineMode = clonedConfiguration.Engine.EngineMode;
newConfiguration.DataStream = clonedConfiguration.File.DataStream;
newConfiguration.DisposeStream = clonedConfiguration.File.DisposeStream;
newConfiguration.Name = clonedConfiguration.File.Name;
newConfiguration.Extension = clonedConfiguration.File.Extension;
var newPreprocessors = new Dictionary <string, PreprocessorConfigurationBuilder>();
foreach (var preprocessor in clonedConfiguration.Preprocessors)
{
newPreprocessors.Add(preprocessor.Type, new PreprocessorConfigurationBuilder(preprocessor.Parameters));
}
_configuration = newConfiguration;
_preprocessors = newPreprocessors;
return(this);
}
