public async Task DetectEmotionAsync()
{
try
{
if (this.ImageUrl != null)
{
this.DetectedEmotion = await EmotionServiceHelper.RecognizeAsync(this.ImageUrl);
}
else if (this.GetImageStreamCallback != null)
{
this.DetectedEmotion = await EmotionServiceHelper.RecognizeAsync(this.GetImageStreamCallback);
}
if (this.FilterOutSmallFaces)
{
this.DetectedEmotion = this.DetectedEmotion.Where(f => CoreUtil.IsFaceBigEnoughForDetection(f.FaceRectangle.Height, this.DecodedImageHeight));
}
}
catch (Exception e)
{
ErrorTrackingHelper.TrackException(e, "Emotion API RecognizeAsync error");
this.DetectedEmotion = Enumerable.Empty <Emotion>();
if (this.ShowDialogOnFaceApiErrors)
{
await ErrorTrackingHelper.GenericApiCallExceptionHandler(e, "Emotion detection failed.");
}
}
finally
{
this.OnEmotionRecognitionCompleted();
}
}
public async Task DetectFacesAsync(bool detectFaceAttributes = false, bool detectFaceLandmarks = false)
{
try
{
if (this.ImageUrl != null)
{
this.DetectedFaces = await FaceServiceHelper.DetectAsync(
this.ImageUrl,
returnFaceId : true,
returnFaceLandmarks : detectFaceLandmarks,
returnFaceAttributes : detectFaceAttributes?DefaultFaceAttributeTypes : null);
}
else if (this.GetImageStreamCallback != null)
{
this.DetectedFaces = await FaceServiceHelper.DetectAsync(
this.GetImageStreamCallback,
returnFaceId : true,
returnFaceLandmarks : detectFaceLandmarks,
returnFaceAttributes : detectFaceAttributes?DefaultFaceAttributeTypes : null);
}
if (this.FilterOutSmallFaces)
{
this.DetectedFaces = this.DetectedFaces.Where(f => CoreUtil.IsFaceBigEnoughForDetection(f.FaceRectangle.Height, this.DecodedImageHeight));
}
}
catch (Exception e)
{
ErrorTrackingHelper.TrackException(e, "Face API DetectAsync error");
this.DetectedFaces = Enumerable.Empty <Face>();
if (this.ShowDialogOnFaceApiErrors)
{
await ErrorTrackingHelper.GenericApiCallExceptionHandler(e, "Face detection failed.");
}
}
finally
{
this.OnFaceDetectionCompleted();
}
}