public async Task Initialize(Page page)
{
_page = page;
_tsc2046 = await Tsc2046.GetDefaultAsync();
try
{
await _tsc2046.LoadCalibrationAsync(CalibrationFilename);
}
catch (System.IO.FileNotFoundException)
{
await CalibrateTouch(); // Initiate calibration if we don't have a calibration on file
}
catch (UnauthorizedAccessException)
{
// No access to documents folder
await new Windows.UI.Popups.MessageDialog("Make sure the application manifest specifies access to the documents folder and declares the file type association for the calibration file.", "Configuration Error").ShowAsync();
throw;
}
// Load up the touch processor and listen for touch events
_processor = new TouchPanels.TouchProcessor(_tsc2046);
_processor.PointerDown += Processor_PointerDown;
_processor.PointerMoved += Processor_PointerMoved;
_processor.PointerUp += Processor_PointerUp;
}
public LcdCalibrationView(Tsc2046 device)
{
this._device = device;
this.InitializeComponent();
this.Loaded += (s, e) => _loaded.SetResult(true);
}
private async void Init()
{
tsc2046 = await Tsc2046.GetDefaultAsync().ConfigureAwait(true);
if (!tsc2046.IsCalibrated)
{
try
{
await tsc2046.LoadCalibrationAsync(CalibrationFilename).ConfigureAwait(true);
}
catch (FileNotFoundException)
{
await CalibrateTouch().ConfigureAwait(true); //Initiate calibration
}
catch (UnauthorizedAccessException)
{
//No access to documents folder
await new Windows.UI.Popups.MessageDialog("Make sure the application " +
"manifest specifies access to the documents folder and declares the " +
"file type association for the calibration file.",
"Configuration Error").ShowAsync();
throw;
}
}
//Load up the touch processor and listen for touch events
if (processor == null)
{
processor = new TouchPanels.TouchProcessor(tsc2046);
processor.PointerDown += Processor_PointerDown;
processor.PointerMoved += Processor_PointerMoved;
processor.PointerUp += Processor_PointerUp;
}
}
private async Task CalibrateTouch(Tsc2046 touchDevice)
{
var calibration = await TouchPanels.UI.LcdCalibrationView.CalibrateScreenAsync(touchDevice);
touchDevice.SetCalibration(calibration.A, calibration.B, calibration.C, calibration.D, calibration.E, calibration.F);
await touchDevice.SaveCalibrationAsync(CalibrationFileName);
}
public async Task InitializeAsync()
{
if (!_isInitialized)
{
_isInitialized = true;
if (AnalyticsInfo.VersionInfo.DeviceFamily == "Windows.IoT")
{
_tsc2046 = await InitializeTouchControllerAsync();
_processor = InitializeTouchProcessor(_tsc2046);
}
}
}
private async Task <Tsc2046> InitializeTouchControllerAsync()
{
var tsc2046 = await Tsc2046.GetDefaultAsync();
try
{
await tsc2046.LoadCalibrationAsync(CalibrationFileName);
}
catch (System.IO.FileNotFoundException)
{
await CalibrateTouch(tsc2046);
}
return(tsc2046);
}
