private void BarcodeDetected(object sender, BarcodeDetectedEventArgs e)
{
barCodeBorder.Child = e.GetBarcodeBorderUIVideoUniformFill(barCodeBorder.ActualWidth, barCodeBorder.ActualHeight);
DisplayResult(e.Result);
if (_resetTextAction != null)
{
_resetTextAction.Start();
}
}
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();
}