private async void WindowLoaded(object sender, RoutedEventArgs e)
{
// Step 1: Connect to Microsoft Gestures service
_gesturesService = GesturesServiceEndpointFactory.Create();
_gesturesService.StatusChanged += (s, arg) => Dispatcher.Invoke(() => GesturesServiceStatus.Text = $"[{arg.Status}]");
Closed += (s, arg) => _gesturesService?.Dispose();
await _gesturesService.ConnectAsync();
// Step 2: Define your custom gesture
// Start with defining the first pose, ...
var hold = new HandPose("Hold", new FingerPose(new[] { Finger.Thumb, Finger.Index }, FingerFlexion.Open, PoseDirection.Forward),
new FingertipDistanceRelation(Finger.Index, RelativeDistance.NotTouching, Finger.Thumb),
new FingertipPlacementRelation(Finger.Index, RelativePlacement.Above, Finger.Thumb));
// ... define the second pose, ...
var rotate = new HandPose("Rotate", new FingerPose(new[] { Finger.Thumb, Finger.Index }, FingerFlexion.Open, PoseDirection.Forward),
new FingertipDistanceRelation(Finger.Index, RelativeDistance.NotTouching, Finger.Thumb),
new FingertipPlacementRelation(Finger.Index, RelativePlacement.Right, Finger.Thumb));
// ... finally define the gesture using the hand pose objects defined above forming a simple state machine: hold -> rotate
_rotateGesture = new Gesture("RotateRight", hold, rotate);
_rotateGesture.Triggered += (s, args) => Dispatcher.Invoke(() => Arrow.RenderTransform = new RotateTransform(++_rotateTimes * 90, Arrow.ActualWidth / 2, Arrow.ActualHeight / 2));
// Step 3: Register the gesture (When window focus is lost (gained) the service will automatically unregister (register) the gesture)
// To manually control the gesture registration, pass 'isGlobal: true' parameter in the function call below
await _gesturesService.RegisterGesture(_rotateGesture);
}
private async void WindowLoaded(object sender, RoutedEventArgs e)
{
// Step 1: Connect to Microsoft Gestures service
_gesturesService = GesturesServiceEndpointFactory.Create();
_gesturesService.StatusChanged += (s, args) => Dispatcher.Invoke(() => GeturesServiceStatus.Text = $"[{args.Status}]");
Closed += (s, args) => _gesturesService?.Dispose();
await _gesturesService.ConnectAsync();
// Step 2: Define the RewindGesture gesture as follows:
// ┌──────────┐ ┌──────────┐ ┌──────────┐ ┌──────────┐ ┌──────────┐ ┌──────────┐ ┌──────────┐
// │ │ │ │ │ │ │ │ │ │ │ │ │ │
// │ Idle │ -> │ Spread │ -> │ Pause │ -> │ Rewind │ -> │KeepRewind│ -> │ Release │ -> │ Idle │
// │ │ │(unpinch) │ │ (pinch) │ │ (left) │ │ (pinch) │ │(unpinch) │ │ │
// └──────────┘ └──────────┘ └────┬─────┘ └──────────┘ └──────────┘ └──────────┘ └──────────┘
// │ ^
// └───────────────────────────────────────────────┘
//
// Whenever the gesture returns to the Idle state, playback will resume
//
var spreadPose = GeneratePinchPose("Spread", true);
var pausePose = GeneratePinchPose("Pause");
pausePose.Triggered += (s, args) => Dispatcher.Invoke(() => VideoStatus.Text = "⏸");
var rewindMotion = new HandMotion("Rewind", new PalmMotion(VerticalMotionSegment.Left));
rewindMotion.Triggered += (s, args) => Dispatcher.Invoke(() => VideoStatus.Text = "⏪");
var keepRewindingPose = GeneratePinchPose("KeepRewind");
var releasePose = GeneratePinchPose("Release", true);
// Then define the gesture by concatenating the previous objects to form a simple state machine
_rewindGesture = new Gesture("RewindGesture", spreadPose, pausePose, rewindMotion, keepRewindingPose, releasePose);
// Detect if the user releases the pinch-grab hold in order to resume the playback
_rewindGesture.AddSubPath(pausePose, releasePose);
// Continue playing the video when the gesture resets (either successful or aborted)
_rewindGesture.Triggered += (s, args) => Dispatcher.Invoke(() => VideoStatus.Text = "▶");
_rewindGesture.IdleTriggered += (s, args) => Dispatcher.Invoke(() => VideoStatus.Text = "▶");
// Step 3: Register the gesture (When window focus is lost (gained) the service will automatically unregister (register) the gesture)
// To manually control the gesture registration, pass 'isGlobal: true' parameter in the function call below
await _gesturesService.RegisterGesture(_rewindGesture);
}
public void Dispose() => _gesturesService?.Dispose();
public MainWindow()
{
InitializeComponent();
Loaded += WindowLoaded;
Closed += (s, args) => _gesturesService.Dispose();
}
private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
{
_gesturesService?.Dispose();
}