public static void Main(string[] args)
{
switch (EyeXHost.EyeXAvailability)
{
case EyeXAvailability.NotAvailable:
Console.WriteLine("This sample requires the EyeX Engine, but it isn't available.");
Console.WriteLine("Please install the EyeX Engine and try again.");
return;
case EyeXAvailability.NotRunning:
Console.WriteLine("This sample requires the EyeX Engine, but it isn't rnning.");
Console.WriteLine("Please make sure that the EyeX Engine is started.");
break;
}
using (var eyeXHost = new EyeXHost())
{
// Listen to state-changed events.
eyeXHost.ScreenBoundsChanged += (s, e) => Console.WriteLine("Screen Bounds in pixels (state-changed event): {0}", e);
eyeXHost.DisplaySizeChanged += (s, e) => Console.WriteLine("Display Size in millimeters (state-changed event): {0}", e);
eyeXHost.EyeTrackingDeviceStatusChanged += (s, e) => Console.WriteLine("Eye tracking device status (state-changed event): {0}", e);
eyeXHost.UserPresenceChanged += (s, e) => Console.WriteLine("User presence (state-changed event): {0}", e);
eyeXHost.UserProfileNameChanged += (s, e) => Console.WriteLine("Active profile name (state-changed event): {0}", e);
eyeXHost.ConfigurationStatusChanged += (s, e) => Console.WriteLine("Configuration status is : {0}", e);
// This state-changed event required EyeX Engine 1.4.
eyeXHost.UserProfilesChanged += (s, e) => Console.WriteLine("User profile names (state-changed event): {0}", e);
eyeXHost.GazeTrackingChanged += (s, e) => Console.WriteLine("Gaze tracking (state-changed event): {0}", e);
// Start the EyeX host.
eyeXHost.Start();
eyeXHost.WaitUntilConnected(TimeSpan.FromSeconds(5));
// First, let's display the current engine state. Because we're still in the
// process of connecting to the engine, we might not get any valid state
// information at this point.
Console.WriteLine("Screen Bounds in pixels (initial value): {0}", eyeXHost.ScreenBounds);
Console.WriteLine("Display Size in millimeters (initial value): {0}", eyeXHost.DisplaySize);
Console.WriteLine("Eye tracking device status (initial value): {0}", eyeXHost.EyeTrackingDeviceStatus);
Console.WriteLine("User presence (initial value): {0}", eyeXHost.UserPresence);
Console.WriteLine("Active profile name (initial value): {0}", eyeXHost.UserProfileName);
Console.WriteLine("Configuration status (initial value): {0}", eyeXHost.ConfigurationStatus);
// This state requires EyeX Engine 1.4.
Console.WriteLine("User profile names (initial value): {0}", eyeXHost.UserProfiles);
Console.WriteLine("Gaze tracking (initial value): {0}", eyeXHost.GazeTracking);
// Wait for the user to exit the application.
Console.WriteLine("Listening for state changes, press any key to exit...");
Console.ReadKey(true);
}
}
/// <summary>
/// Starts the EyeX host and waits for all profiles to become available.
/// </summary>
/// <param name="host">The host.</param>
/// <param name="version">The engine version.</param>
private static bool StartHost(EyeXHost host, out Version version)
{
// Start the host.
host.Start();
// Wait for the client to connect.
if (!host.WaitUntilConnected(TimeSpan.FromSeconds(5)))
{
version = null;
return(false);
}
// Get the engine version number.
version = host.GetEngineVersion().Result;
return(true);
}
private static int startHost(EyeXHost host)
{
switch (EyeXHost.EyeXAvailability)
{
case EyeXAvailability.NotAvailable:
Console.WriteLine("This sample requires the EyeX Engine, but it isn't available.");
Console.WriteLine("Please install the EyeX Engine and try again.");
return(Globs.TRACKER_ENGINE_NOT_AVAILABLE);
case EyeXAvailability.NotRunning:
Console.WriteLine("This sample requires the EyeX Engine, but it isn't rnning.");
Console.WriteLine("Please make sure that the EyeX Engine is started.");
return(Globs.TRACKER_ENGINE_NOT_RUNNING);
}
Version engineVersion;
host.Start();
if (!host.WaitUntilConnected(TimeSpan.FromSeconds(5)))
{
Console.WriteLine("Could not connect to EyeX Engine.");
return(Globs.TRACKER_FAILED_TO_ACTIVATE);
}
else
{
engineVersion = host.GetEngineVersion().Result;
if (engineVersion.Major != 1 || engineVersion.Major == 1 && engineVersion.Minor < 4)
{
Console.WriteLine("This sample requires EyeX Engine 1.4.");
return(Globs.TRACKER_ENGINE_OUTDATED);
}
}
Console.WriteLine("Tracker Activated Sucessfully");
return(Globs.TRACKER_ACTIVATED);
}
