private void FaceDetection_FaceDetected(FaceDetectionEffect sender, FaceDetectedEventArgs args)
{
DispatcherWrapper.Current().Dispatch(() =>
{
var properties = DefaultManager.VideoDeviceController.GetMediaStreamProperties(MediaStreamType.VideoPreview) as VideoEncodingProperties;
if (properties == null || properties.Width == 0 || properties.Height == 0)
{
return;
}
var canvas = FacesCanvas.Child as Canvas;
canvas.Height = properties.Height;
canvas.Width = properties.Width;
FaceDetected?.Invoke(sender, args);
canvas.Children.Clear();
foreach (var face in args.ResultFrame.DetectedFaces.Where(x => x.FaceBox.Width != 0 && x.FaceBox.Height != 0))
{
var box = new Rectangle
{
Height = face.FaceBox.Height,
Width = face.FaceBox.Width,
Stroke = FacesBoxColor.ToSolidColorBrush(),
StrokeThickness = 2,
};
Canvas.SetLeft(box, face.FaceBox.X);
Canvas.SetTop(box, face.FaceBox.Y);
canvas.Children.Add(box);
}
FaceCountChanged?.Invoke(this, canvas.Children.Count());
});
}
public Task FillItemsAsync()
{
return(Task.Run(async delegate
{
var dispatcher = DispatcherWrapper.Current();
//Для потомков
//await dispatcher.DispatchAsync(() => items.Clear());
//foreach (var item in Randomizer
// .Configure(ItemsRequired, UniqueOnly, SortAfter)
// .RollItems()
// .Select(x => new ArrayItem(x)))
//{
// await dispatcher.DispatchAsync(() => items.Add(item));
//}
var items = new ObservableCollection <ArrayItem>(Randomizer.Configure(ItemsRequired, UniqueOnly, SortAfter)
.RollItems()
.Select(x => new ArrayItem(x)));
await dispatcher.DispatchAsync(delegate
{
ArraySource.Instance.Items = items;
});
}));
}
public NavButtonBehavior()
{
if (!Windows.ApplicationModel.DesignMode.DesignModeEnabled)
{
_dispatcher = DispatcherWrapper.Current();
_throttleHelper = new EventThrottleHelper {
Throttle = 1000
};
}
}
private static async Task <T> ShowAsync <T>(Func <Task <T> > show, IDispatcherWrapper dispatcher)
{
lock (DialogState)
{
while (DialogState.Showing)
{
Monitor.Wait(DialogState);
}
DialogState.Showing = true;
}
dispatcher = dispatcher ?? DispatcherWrapper.Current();
var result = await dispatcher.DispatchAsync(async() => await show());
lock (DialogState)
{
DialogState.Showing = false;
Monitor.PulseAll(DialogState);
}
return(result);
}
public async Task DisplayResults()
{
var source = _cancellationTokens.AddAndReturn(new CancellationTokenSource());
await Task.Factory.StartNew(() =>
{
_dataService.CuisineType = CuisineType;
var restaurants = _dataService.listOfRestaurants().Result;
if (!source.Token.IsCancellationRequested)
{
DispatcherWrapper.Current().Dispatch(() =>
{
Restaurants.Clear();
foreach (var restaurant in restaurants)
{
Restaurants.Add(restaurant);
}
});
}
}, source.Token);
}
//public override async Task OnNavigatedToAsync(object parameter, navigationmode mode, idictionary<string, object> state)
//{
// // defaults
// price1checked = true;
// price2checked = true;
// star2checked = true;
// star3checked = true;
// selectedcuisine = "indian";
// distance = 1;
// await searchasync();
//}
public async Task SearchAsync()
{
var source = _cancellationTokens.AddAndReturn(new CancellationTokenSource());
await Task.Factory.StartNew(async() =>
{
// TODO: convert distance number to kilos
var restaurants = await _dataService.GetReataurantsAsync();
if (!source.Token.IsCancellationRequested)
{
DispatcherWrapper.Current().Dispatch(() =>
{
Restaurants.Clear();
foreach (var restaurant in restaurants)
{
Restaurants.Add(restaurant);
}
});
}
}, source.Token);
}
