public MainWindow()
{
currentGroupId = currentGroupName;
InitializeComponent();
StartTimer();
this.backgroundMusic = SoundProvider.Ukulele;
this.backgroundMusic.Volume = 0.05;
this.backgroundMusic.MediaEnded += new EventHandler((object sender, EventArgs e) => {
this.backgroundMusic.Position = TimeSpan.Zero;
this.backgroundMusic.Play();
});
this.backgroundMusic.Play();
t.Elapsed += T_Elapsed;
// Create grabber.
_grabber = new FrameGrabber <LiveCameraResult>();
updateMode(AppMode.Participants);
// Set up a listener for when the client receives a new frame.
_grabber.NewFrameProvided += (s, e) =>
{
if (_mode == AppMode.EmotionsWithClientFaceDetect)
{
// Local face detection.
var rects = _localFaceDetector.DetectMultiScale(e.Frame.Image);
// Attach faces to frame.
e.Frame.UserData = rects;
}
// The callback may occur on a different thread, so we must use the
// MainWindow.Dispatcher when manipulating the UI.
this.Dispatcher.BeginInvoke((Action)(() =>
{
// Display the image in the left pane.
LeftImage.Source = e.Frame.Image.ToBitmapSource();
// If we're fusing client-side face detection with remote analysis, show the
// new frame now with the most recent analysis available.
if (_fuseClientRemoteResults)
{
RightImage.Source = VisualizeResult(e.Frame);
}
}));
if (DateTime.Now - currentTimeTaskStart > currentTimerTask)
{
if (gameState == GameState.Explain)
{
roundStart = DateTime.Now;
nextRound();
}
else if (gameState == GameState.RoundBegin)
{
currentTimerTask = TimeSpan.FromSeconds(15);
currentTimeTaskStart = DateTime.Now;
gameState = GameState.Game;
roundStart = DateTime.Now;
}
else if (gameState == GameState.Game)
{
currentTimerTask = TimeSpan.FromSeconds(6);
currentTimeTaskStart = DateTime.Now;
gameState = GameState.RoundEnd;
scoringSystem.AddRoundToGameScore();
}
else if (gameState == GameState.RoundEnd)
{
if (roundNumber == NumOfRounds)
{
this.sound = SoundProvider.TheWinner;
this.sound.Play();
currentTimerTask = TimeSpan.FromSeconds(3);
gameState = GameState.GameEnd;
this.Dispatcher.BeginInvoke((Action)(() =>
{
StartEndImages();
button.Visibility = Visibility.Visible;
}));
}
else
{
nextRound();
roundStart = DateTime.Now;
}
}
}
};
// Set up a listener for when the client receives a new result from an API call.
_grabber.NewResultAvailable += (s, e) =>
{
this.Dispatcher.BeginInvoke((Action)(() =>
{
if (e.TimedOut)
{
MessageArea.Text = "API call timed out.";
}
else if (e.Exception != null)
{
string apiName = "";
string message = e.Exception.Message;
var faceEx = e.Exception as FaceAPIException;
var emotionEx = e.Exception as Microsoft.ProjectOxford.Common.ClientException;
var visionEx = e.Exception as Microsoft.ProjectOxford.Vision.ClientException;
if (faceEx != null)
{
apiName = "Face";
message = faceEx.ErrorMessage;
}
else if (emotionEx != null)
{
apiName = "Emotion";
message = emotionEx.Error.Message;
}
else if (visionEx != null)
{
apiName = "Computer Vision";
message = visionEx.Error.Message;
}
MessageArea.Text = string.Format("{0} API call failed on frame {1}. Exception: {2}", apiName, e.Frame.Metadata.Index, message);
}
else
{
_latestResultsToDisplay = e.Analysis;
// Display the image and visualization in the right pane.
if (!_fuseClientRemoteResults)
{
RightImage.Source = VisualizeResult(e.Frame);
}
if (gameState == GameState.Game || gameState == GameState.RoundBegin)
{
bool drawIndicator = false;
if (gameState == GameState.Game)
{
drawIndicator = true;
}
RightImage.Source = VisualizeTimer(drawIndicator);
}
}
}));
};
// Create local face detector.
_localFaceDetector.Load("Data/haarcascade_frontalface_alt2.xml");
}
