Code:

var dpiXProperty = typeof(SystemParameters).GetProperty("DpiX", BindingFlags.NonPublic | BindingFlags.Static);
var dpiYProperty = typeof(SystemParameters).GetProperty("Dpi", BindingFlags.NonPublic | BindingFlags.Static);

var dpiX = (int)dpiXProperty.GetValue(null, null);
var dpiY = (int)dpiYProperty.GetValue(null, null);


Statistics: Posted by skataalbert — 25 Oct 2015, 22:48

Statistics: Posted by skatachithiravelus@yahoo.com — 14 Jul 2015, 21:35

Code:

    public partial class MyPage : IGazeListener
    {
        private readonly double _logicalDpi;
        private readonly double _rawDpi;

        public MyPage()
        {
            InitializeComponent();

            // Get pixel density information
            var display = DisplayInformation.GetForCurrentView();
            _logicalDpi = display.LogicalDpi;
            _rawDpi = display.RawDpiX;
            Debug.WriteLine("Logical DPI: " + _logicalDpi);
            Debug.WriteLine("Raw DPI: " + _rawDpi);
        }

        public async void OnGazeUpdate(GazeData gazeData)
        {
            await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, delegate()
            {
                try
                {
                    // Calculate the gaze location in logical (display independent, layout) pixels
                    double logicalX = gazeData.SmoothedCoordinates.X * 96.0 / _logicalDpi;
                    double logicalY = gazeData.SmoothedCoordinates.Y * 96.0 / _logicalDpi;

                    // Draw indicator at (logicalX, logicalY)
                    // ....
                }
                catch (Exception ex)
                {
                    Debug.WriteLine(ex.Message);
                    Debug.WriteLine(ex.StackTrace);
                }
            });
        }
    }


Statistics: Posted by skatalichter@bainet.com — 07 Jul 2015, 16:09

Code:

var x = Screen.PrimaryScreen.Bounds.X;
var y = Screen.PrimaryScreen.Bounds.Y;
         
var screenX = (int)Math.Round(x + gazeData.SmoothedCoordinates.X, 0);
var screenY = (int)Math.Round(y + gazeData.SmoothedCoordinates.Y, 0);

Statistics: Posted by skataalbert — 07 Jul 2015, 14:26