private TransymOcrResult DoOcr(Stream imageAsStream, DateTime start)
{
try
{
var src = new Bitmap(imageAsStream);
ValidateImageProportions(src);
src = PreProcess(src);
var byteStream = new MemoryStream();
src.Save(byteStream, ImageFormat.Tiff);
var entries = _transymAccess.OcrByStream(byteStream);
var rawTransymResult = RawTransymOcrResult.CreateFrom(entries);
var content = _parser.Execute(entries);
return(TransymOcrResult.CreateSuccesResult(DateTime.Now.Subtract(start), content, rawTransymResult));
}
catch (Exception e)
{
return(TransymOcrResult.CreateErrorResult(DateTime.Now.Subtract(start), e));
}
}
/// <summary>
/// Method to call Transym installation on the machine to perform OCR and format the result into an easy to use format.
/// Prior to calling the API, this method will rotate it according to the EXIF orientation.
/// </summary>
/// <param name="filePath">File path</param>
/// <returns></returns>
public TransymOcrResult OcrImage(string filePath)
{
var start = DateTime.Now;
try
{
if (!File.Exists(filePath))
{
throw new FileNotFoundException("", filePath);
}
using (var stream = File.OpenRead(filePath))
{
return(DoOcr(stream, start));
}
}
catch (Exception e)
{
return(TransymOcrResult.CreateErrorResult(DateTime.Now.Subtract(start), e));
}
}
