private void BarcodeDetected(object sender, BarcodeDetectedEventArgs e)
{
barCodeBorder.Child = e.GetBarcodeBorderUIVideoUniformFill(barCodeBorder.ActualWidth, barCodeBorder.ActualHeight);
DisplayResult(e.Result);
if (_resetTextAction != null)
{
_resetTextAction.Start();
}
}
private void BarcodeDetected(object sender, BarcodeDetectedEventArgs e)
{
_device.AutoDetectBarcode = false;
barCodeBorder.Child = e.GetBarcodeBorderUIVideoUniformFill(barCodeBorder.ActualWidth, barCodeBorder.ActualHeight);
DisplayResult(e.Result);
_device.Dispose();
_device = null;
NavigationService.GoBack();
}
private void OnBookReturn(object sender, BarcodeDetectedEventArgs e)
{
var book = LibraryDataIO.Instance.FindBook(e.DecodedText);
ReturnBook.Instance.HideScanner();
if (LibraryManager.ValidateReturning(ActiveUser, book))
{
ui.Speaker.TellUser(StringConstants.aiWorking);
LibraryManager.ReturnBook(ActiveUser, book);
ui.Speaker.TellUser(StringConstants.aiReturnedBook);
}
else
{
ui.Speaker.TellUser(StringConstants.aiReturnFailed);
}
}
private void OnBookDetected(object sender, BarcodeDetectedEventArgs e)
{
var book = LibraryDataIO.Instance.FindBook(e.DecodedText);
TakeBook.Instance.HideScanner();
if (LibraryManager.ValidateIssuing(ActiveUser, book))
{
ui.Speaker.TellUser(StringConstants.aiWorking);
LibraryManager.IssueBookToReader(ActiveUser, book);
ui.Speaker.TellUser(StringConstants.aiIssued);
}
else
{
ui.Speaker.TellUser(StringConstants.aiIssuingFailed);
}
}
/// <summary>
/// Occurs when a barcode has been detected.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void BarcodeReaderOnDetectionOccurred(object sender, BarcodeDetectedEventArgs e)
{
InvokeVotingScreen(() =>
{
if (e == null)
{
return;
}
DisconnectCamera();
_barcodelist.Add(e.DetectedBarcode);
var element = _barcodelist.Last();
path = element.Content;
try
{
_barcodelist.Clear();
List <StringValue> lst = new List <StringValue>();
UTF8Encoding utf8 = new UTF8Encoding();
using (StreamReader sr = new StreamReader(path))
{
string line;
while ((line = sr.ReadLine()) != null)
{
var temp = utf8.GetString(utf8.GetBytes(line));
lst.Add(new StringValue(temp));
}
}
this.Hide();
Voting_Screen.getInstance().list = lst;
Voting_Screen.getInstance().Sourcelist();
Voting_Screen.getInstance().ShowDialog();
this.Dispose();
}
catch (Exception ex)
{
MessageBox.Show(@"Forkert QR kode. Prøv igen eller kontakt en administrator.", @"Der opstod en fejl!");
}
});
}
private async void BarcodeTimer_Tick(object sender, EventArgs e)
{
ThrowIfDisposed();
if (!_inited)
{
return;
}
if (!_previewSize.HasValue)
{
return;
}
int width = (int)_previewSize.Value.Width;
int height = (int)_previewSize.Value.Height;
// for barcode
if (AutoDetectBarcode)
{
if (_barcodeDecoding == true)
{
return;
}
_barcodeDecoding = true;
try
{
var result = await DetectBarcodeAsync(width, height);
if (result != null)
{
// raise BarcodeDetected
BarcodeDetectedEventArgs args = new BarcodeDetectedEventArgs(result);
args.HostImageSize = new Size(width, height);
if (args.IsQRCode && result.ResultMetadata.ContainsKey(ResultMetadataType.QRCODE_DIMENSION))
{
int dimension = (int)result.ResultMetadata[ResultMetadataType.QRCODE_DIMENSION];
Debug.Assert(result.ResultPoints.Length >= 3);
if (result.ResultPoints.Length >= 3)
{
var p1 = new Point(result.ResultPoints[0].X, result.ResultPoints[0].Y);
var p2 = new Point(result.ResultPoints[1].X, result.ResultPoints[1].Y);
var p3 = new Point(result.ResultPoints[2].X, result.ResultPoints[2].Y);
args.BarcodePosition = new BarcodePosition(p1, p2, p3, dimension, width, height);
}
}
if (BarcodeDetected != null)
{
BarcodeDetected(this, args);
}
}
}
catch (ObjectDisposedException)
{
throw new CardCaptureDeviceDisposedException();
}
catch
{
}
finally
{
_barcodeDecoding = false;
}
}
ThrowIfDisposed();
}
