private async Task ShowVehicleLocations()
{
var vehicleLocations = await searchVm.GetBusLocations();
while (vehicleCounter > 0)
{
SearchMap.MapElements.RemoveAt(SearchMap.MapElements.Count - 1);
vehicleCounter--;
}
var inboundBM = new WriteableBitmap(40, 40);
await inboundBM.SetSourceAsync(await RandomAccessStreamReference.CreateFromUri(new Uri("ms-appx:///Assets/Inbound.png")).OpenReadAsync());
var outboundBM = new WriteableBitmap(40, 40);
await outboundBM.SetSourceAsync(await RandomAccessStreamReference.CreateFromUri(new Uri("ms-appx:///Assets/Outbound.png")).OpenReadAsync());
foreach (Bus bus in vehicleLocations)
{
if (bus.direction.Equals("inbound"))
{
var rotatedImage = inboundBM.RotateFree(bus.busHeading, false);
var stream = new InMemoryRandomAccessStream();
await rotatedImage.ToStream(stream, BitmapEncoder.PngEncoderId);
var busMarker = new MapIcon
{
Image = RandomAccessStreamReference.CreateFromStream(stream),
CollisionBehaviorDesired = MapElementCollisionBehavior.RemainVisible,
Location = new Geopoint(new BasicGeoposition { Latitude = bus.latitude, Longitude = bus.longitude }),
NormalizedAnchorPoint = new Point(0.5, 0.5),
ZIndex = 99
};
SearchMap.MapElements.Add(busMarker);
await stream.FlushAsync();
stream.Dispose();
rotatedImage = null;
}
else if (bus.direction.Equals("outbound"))
{
var rotatedImage = outboundBM.RotateFree(bus.busHeading, false);
var stream = new InMemoryRandomAccessStream();
await rotatedImage.ToStream(stream, BitmapEncoder.PngEncoderId);
var busMarker = new MapIcon
{
Image = RandomAccessStreamReference.CreateFromStream(stream),
CollisionBehaviorDesired = MapElementCollisionBehavior.RemainVisible,
Location = new Geopoint(new BasicGeoposition { Latitude = bus.latitude, Longitude = bus.longitude }),
NormalizedAnchorPoint = new Point(0.5, 0.5),
ZIndex = 99
};
SearchMap.MapElements.Add(busMarker);
await stream.FlushAsync();
stream.Dispose();
rotatedImage = null;
}
vehicleCounter++;
}
inboundBM = null;
outboundBM = null;
}