public async Task RecognizeTextAsync()
{
try
{
if (this.ImageUrl != null)
{
this.OcrResults = await VisionServiceHelper.RecognizeTextAsync(this.ImageUrl);
}
else if (this.GetImageStreamCallback != null)
{
this.OcrResults = await VisionServiceHelper.RecognizeTextAsync(this.GetImageStreamCallback);
}
}
catch (Exception e)
{
this.OcrResults = new Microsoft.ProjectOxford.Vision.Contract.OcrResults();
if (this.ShowDialogOnFaceApiErrors)
{
await ErrorTrackingHelper.GenericApiCallExceptionHandler(e, "Vision API failed.");
}
}
finally
{
this.OcrAnalysisCompleted?.Invoke(this, EventArgs.Empty);
}
}
public async Task RecognizeTextAsync(TextRecognitionMode textRecognitionMode)
{
try
{
this.TextRecognitionMode = textRecognitionMode;
if (this.ImageUrl != null)
{
this.TextOperationResult = await VisionServiceHelper.RecognizeTextAsync(this.ImageUrl, textRecognitionMode);
}
else if (this.GetImageStreamCallback != null)
{
this.TextOperationResult = await VisionServiceHelper.RecognizeTextAsync(this.GetImageStreamCallback, textRecognitionMode);
}
}
catch (Exception ex)
{
ErrorTrackingHelper.TrackException(ex, "Vision API RecognizeTextAsync error");
this.TextOperationResult = new TextOperationResult();
if (this.ShowDialogOnFaceApiErrors)
{
await ErrorTrackingHelper.GenericApiCallExceptionHandler(ex, "Vision API failed.");
}
}
finally
{
this.TextRecognitionCompleted?.Invoke(this, EventArgs.Empty);
}
}
