/// <summary>
/// Performs OCR on project images.
/// </summary>
/// <returns></returns>
public ActionResult PerformOcr()
{
Gallery.RecognizableElementOcrCompleted += Gallery_RecognizableElementOcrCompleted;
_longOperationsDataContainer = new LongOperationsData(0, Gallery.GetRecognizableElementsQuantity(), Properties.Resources.PerformOcr_CurrentIterationMessageTemplate, Properties.Resources.PerformOcr_Description);
ProjectElementOcrCompleted?.Invoke(this, new LongOperationsDataEventArgs(_longOperationsDataContainer));
try
{
foreach (GalleryImage image in Gallery.Images)
{
image.PerformOcr(DataColumns);
}
return(new ActionResult());
}
catch (Exception e)
{
LogHelper.Logger.Error(e, $"Unable to perform OCR in the project '{Name}'");
return(new ActionResult(ActionResultType.Error, e.Message));
}
finally
{
_longOperationsDataContainer = null;
Gallery.RecognizableElementOcrCompleted -= Gallery_RecognizableElementOcrCompleted;
}
}
private void Gallery_RecognizableElementOcrCompleted(object sender, EventArgs eventArgs)
{
if (_longOperationsDataContainer != null)
{
_longOperationsDataContainer.Iterate();
ProjectElementOcrCompleted?.Invoke(this, new LongOperationsDataEventArgs(_longOperationsDataContainer));
}
}