/// <summary>
/// Tracks the given image tracking model on the current frame and <see cref="ImageTrackingConfiguration"/>.
/// </summary>
/// <param name="source">The current image of sequence where the image tracking model will be tracked.</param>
/// <param name="trackingModel">The image tracking model which processed as target of tracking.</param>
/// <param name="config">The configuration used for tracking. This value can be null.</param>
/// <returns>A task that represents the asynchronous tracking operation.</returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="source"/> is null.<br/>
/// -or-<br/>
/// <paramref name="trackingModel"/> is null.
/// </exception>
/// <exception cref="NotSupportedException">The feature is not supported.</exception>
/// <exception cref="ObjectDisposedException">
/// <paramref name="source"/> has already been disposed of.<br/>
/// -or-<br/>
/// <paramref name="trackingModel"/> has already been disposed of.<br/>
/// -or-<br/>
/// <paramref name="config"/> has already been disposed of.
/// </exception>
/// <exception cref="ArgumentException"><paramref name="trackingModel"/> has no target.</exception>
/// <seealso cref="ImageTrackingModel.SetTarget(ImageObject)"/>
/// <feature>http://tizen.org/feature/vision.image_recognition</feature>
/// <since_tizen> 4 </since_tizen>
public static async Task <Quadrangle> TrackAsync(MediaVisionSource source,
ImageTrackingModel trackingModel, ImageTrackingConfiguration config)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (trackingModel == null)
{
throw new ArgumentNullException(nameof(trackingModel));
}
TaskCompletionSource <Quadrangle> tcs = new TaskCompletionSource <Quadrangle>();
using (var cb = ObjectKeeper.Get(GetCallback(tcs)))
{
InteropImage.Track(source.Handle, trackingModel.Handle, EngineConfiguration.GetHandle(config),
cb.Target).Validate("Failed to perform image tracking.");
return(await tcs.Task);
}
}
