/// <summary>
/// This method receives the image from the camera and finds the location of the device.
/// Location defined as the page, the X and Y coordinates wihtin the page in cms, and the rotation angle
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected override void CustomUpdateMonitorReading(object sender, NotifyContextMonitorListenersEventArgs e)
{
if (e.Type != typeof(System.Drawing.Bitmap))
return;
if (isProcessStopped)
return;
if (Container == null || Controller == null)
return;
if (Device.State == StackingState.StackedOnTop)
return;
if (TPadCore.UseFeatureTracking)
{
if (sender is SimCameraMonitor)
{
if (Tracker == null)
Tracker = (sender as SimCameraMonitor).Tracker;
if (temp_SimCaptureToSourceImageRatio != Controller.SimCaptureToSourceImageRatio)
{
temp_SimCaptureToSourceImageRatio = Controller.SimCaptureToSourceImageRatio;
Tracker.computeWarpMatrix(temp_SimCaptureToSourceImageRatio);
}
status = Tracker.detectLocation(false, status);
GetLocationFromTracker();
}
else if (sender is CameraMonitor)
{
if (Tracker == null)
Tracker = (sender as CameraMonitor).Tracker;
if (Tracker == null)
return;
//start feature tracking
//Stopwatch sw = new Stopwatch();
//sw.Start();
status = Tracker.detectLocation(true, status);
//sw.Stop();
//Console.WriteLine("Elapsed={0} ", sw.ElapsedMilliseconds);
GetLocationFromTracker();
}
}
else {
location = new TPadLocation();
location.Status = LocationStatus.Located;
location.RotationAngle = ClampedAngle(Controller.RotationAngle);
location.LocationCm = new Point(Controller.Location.X / Controller.WidthFactor, Controller.Location.Y / Controller.HeightFactor);
location.Document = Controller.ActualDocument;
location.PageIndex = Controller.ActualPage;
}
NotifyContextServiceListeners(this, new NotifyContextServiceListenersEventArgs(typeof(TPadLocation), location));
}
private void ProcessAreaTriggers(TPadLocation tPadLocation, Point locationPx)
{
if (tPadLocation.PageIndex != 2)
return;
Rect deviceCenterArea = new Rect(new Point(-100, -100), new Size(200, 200));
deviceCenterArea.Offset(locationPx.X, locationPx.Y);
Point areaTrigger = new Point(950, 1200);
if (deviceCenterArea.Contains(areaTrigger))
{
//if (isPlaying)
// return;
System.Windows.Interop.HwndSource hwndSource = PresentationSource.FromVisual(this) as System.Windows.Interop.HwndSource;
System.Windows.Interop.HwndTarget hwndTarget = hwndSource.CompositionTarget;
hwndTarget.RenderMode = System.Windows.Interop.RenderMode.SoftwareOnly;
//Console.WriteLine("meVideo.Play();");
meVideo.Visibility = System.Windows.Visibility.Visible;
meVideo.Play();
isPlaying = true;
}
else if (isPlaying)
{
//Console.WriteLine("meVideo.Pause();");
//meVideo.Visibility = System.Windows.Visibility.Collapsed;
//meVideo.Pause();
//isPlaying = false;
}
}
private void GetLocationFromTracker()
{
//status -1: not detected, status 1: location detected,
//status 0: previous image and current image are the same -> no new location computation necessary
if (status == 1)
{
trigger = 0;
location = new TPadLocation();
location.Status = LocationStatus.Located;
location.RotationAngle = ClampedAngle(Tracker.RotationAngle);
Point locationPx = new Point(Tracker.LocationPxM.X / Controller.SimCaptureToSourceImageRatio,
Tracker.LocationPxM.Y / Controller.SimCaptureToSourceImageRatio);
location.LocationCm = new Point((float)(locationPx.X / Controller.WidthFactor),
(float)(locationPx.Y / Controller.HeightFactor));
//TODO: get Document object from featureTracker
location.Document = Controller.ActualDocument;
location.PageIndex = Tracker.PageIdx;
}
else if (status == -1 && trigger > 10)
{
location = new TPadLocation();
location.Status = LocationStatus.NotLocated;
}
else if (status == -1)
{
trigger++;
}
}
private void LoadDocument(TPadLocation newLocation)
{
if (newLocation.Document == null)
throw new Exception("Document cannot be null");
if (!DbDocuments.ContainsKey(newLocation.Document.ID))
{
Dispatcher.Invoke(DispatcherPriority.Render,
(Action)delegate()
{
DocumentLoader loader = new DocumentLoader();
ActiveReaderDocument lookup = loader.LoadDocument(newLocation.Document);
DbDocuments.Add(lookup.ID, lookup);
});
}
//1- Loads the layers should they exist in disk
ActualDocument = DbDocuments[newLocation.Document.ID];
PdfHelper = new PDFContentHelper(ActualDocument.FileName);
PdfHelper.LoadLayersFromDisk(ActualDocument, Core.Device.ID);
//3- Load layers for current page
ActualPage = newLocation.PageIndex;
LoadLayersToPage(ActualDocument, ActualPage);
}