public void Test_0440_QLDeviceGroup_RemoveDevice()
{
// Note: This only uses the initially chosen device.
int deviceGroupId;
QLError error = QuickLink2API.QLDeviceGroup_Create(out deviceGroupId);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
Assert.Greater(deviceGroupId, 0);
error = QuickLink2API.QLDeviceGroup_AddDevice(deviceGroupId, Test_SetUp.Helper.DeviceId);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
int numDevices = 1;
int[] deviceIds = new int[numDevices];
error = QuickLink2API.QLDeviceGroup_Enumerate(deviceGroupId, ref numDevices, deviceIds);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
Assert.AreEqual(1, numDevices);
Assert.AreEqual(Test_SetUp.Helper.DeviceId, deviceIds[0]);
QLFrameData frameData = new QLFrameData();
error = QuickLink2API.QLDevice_GetFrame(Test_SetUp.Helper.DeviceId, 2000, ref frameData);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
error = QuickLink2API.QLDeviceGroup_RemoveDevice(deviceGroupId, Test_SetUp.Helper.DeviceId);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
error = QuickLink2API.QLDeviceGroup_Enumerate(deviceGroupId, ref numDevices, deviceIds);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
Assert.AreEqual(0, numDevices);
}
public void Test_0470_QLDeviceGroup_GetFrame()
{
// Note: This only uses the initially chosen device.
// Note: This could be much more robust (i.e., by checking the data
// in the received frame for correctness).
int deviceGroupId;
QLError error = QuickLink2API.QLDeviceGroup_Create(out deviceGroupId);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
Assert.Greater(deviceGroupId, 0);
error = QuickLink2API.QLDeviceGroup_AddDevice(deviceGroupId, Test_SetUp.Helper.DeviceId);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
error = QuickLink2API.QLDevice_Start(deviceGroupId);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
int numFrames = 1;
QLFrameData[] frameDataArray = new QLFrameData[numFrames];
frameDataArray[0] = new QLFrameData();
error = QuickLink2API.QLDeviceGroup_GetFrame(deviceGroupId, 2000, ref numFrames, frameDataArray);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
Assert.AreEqual(1, numFrames);
Assert.AreEqual(Test_SetUp.Helper.DeviceId, frameDataArray[0].DeviceId);
error = QuickLink2API.QLDevice_Stop(deviceGroupId);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
}
static void Main(string[] args)
{
int deviceId = Initialize.QL2Initialize(filename_Password);
QLError error = QuickLink2API.QLDevice_Start(deviceId);
if (error != QLError.QL_ERROR_OK)
{
System.Console.WriteLine("Device not started successfully!");
System.Console.ReadLine();
return;
}
System.Console.WriteLine("Press any key to begin calibration.");
Console.ReadKey(true);
//Calibrate the device
int calibrationId = 0;
if (Calibrate.AutoCalibrate(deviceId, QLCalibrationType.QL_CALIBRATION_TYPE_16, ref calibrationId))
{
System.Console.WriteLine("\n\nPress \'q\' to quit. \n");
// If the calibration was successful then apply the calibration to the device.
QuickLink2API.QLDevice_ApplyCalibration(deviceId, calibrationId);
// Display the gaze information until the user quits.
QLFrameData frameData = new QLFrameData();
while ((!Console.KeyAvailable) || (Console.ReadKey(true).Key != ConsoleKey.Q))
{
QuickLink2API.QLDevice_GetFrame(deviceId, 10000, ref frameData);
if (frameData.WeightedGazePoint.Valid)
{
System.Console.Write("\rX:{0:F} Y:{1:F}", frameData.WeightedGazePoint.x,
frameData.WeightedGazePoint.y);
}
}
}
else
{
System.Console.WriteLine("The calibration did not finish successfully!");
System.Console.Read();
QuickLink2API.QLDevice_Stop(deviceId);
return;
}
// Stop the device.
QuickLink2API.QLDevice_Stop(deviceId);
return;
}
public void Test_0130_QLDevice_GetFrame()
{
// Note: This could be much more robust (i.e., by checking the data
// in the received frame for correctness).
QLError error = QuickLink2API.QLDevice_Start(Test_SetUp.Helper.DeviceId);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
QLFrameData frameData = new QLFrameData();
error = QuickLink2API.QLDevice_GetFrame(Test_SetUp.Helper.DeviceId, 2000, ref frameData);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
Assert.AreEqual(Test_SetUp.Helper.DeviceId, frameData.DeviceId);
error = QuickLink2API.QLDevice_Stop(Test_SetUp.Helper.DeviceId);
Assert.AreEqual(QLError.QL_ERROR_OK, error);
}
/// <summary>
/// Constructor for a Windows Form that displays a live video stream from the eye tracker.
/// This constructor allows for the specification of an initial display size.
/// </summary>
/// <seealso cref="T:QuickLink2DotNetHelper.QLHelper.VideoForm"/>
/// <seealso cref="VideoForm(QLHelper)"/>
/// <param name="helper">
/// The <see cref="T:QuickLink2DotNetHelper.QLHelper" /> object of the device from which live video will be displayed.
/// This object can be obtained by calling <see cref="QLHelper.ChooseDevice"/> or
/// <see cref="QLHelper.FromDeviceId"/>.
/// </param>
/// <param name="sizeDivisor">
/// Specifies the initial size of the display. A value of 1 causes the full size to be used,
/// 2 is half size, and 4 is quarter size. Passing other values cause the default of '1' to
/// be used.
/// </param>
public VideoForm(QLHelper helper, int sizeDivisor)
{
this._helper = helper;
switch (sizeDivisor)
{
case 1:
this._videoScale = 1f;
break;
case 2:
this._videoScale = 0.5f;
break;
case 4:
this._videoScale = 0.25f;
break;
}
this._frameData = new QLFrameData();
this._latestImage = null;
this._nextSize = false;
this.ClientSize = new Size((int)(helper._deviceInfo.sensorWidth * this._videoScale), (int)(helper._deviceInfo.sensorHeight * this._videoScale));
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
this.MaximizeBox = false;
this._videoPictureBox = new System.Windows.Forms.PictureBox();
this._videoPictureBox.Dock = System.Windows.Forms.DockStyle.Fill;
this._videoPictureBox.Paint += new PaintEventHandler(VideoForm_VideoPictureBox_Paint);
this.Controls.Add(this._videoPictureBox);
this.FormClosing += new FormClosingEventHandler(VideoForm_FormClosing);
this.KeyUp += new KeyEventHandler(VideoForm_KeyUp);
this.Shown += new EventHandler(VideoForm_Shown);
this._frameReader_Thread = new Thread(FrameReader);
}
