private void InitializeDecoder(PhotoConfirmationCapturedEventArgs photoResult)
{
_image = new BitmapImage();
_reader = new ZXing.BarcodeReader();
Task.Run(delegate()
{
_reader.Options.TryHarder = false;
_reader.TryInverted = false;
_reader.AutoRotate = false;
_image.SetSource(photoResult.Frame);
ZXing.Result result = _reader.Decode(new WriteableBitmap(_image.PixelWidth, _image.PixelHeight));
if (result != null)
{
AddBarcodeToResults(result);
}
else
{
SetActivityMessage("No barcode detected", false);
}
}).ConfigureAwait(false).GetAwaiter().GetResult();
}
//</SnippetEnablePhotoConfirmation>
//<SnippetPhotoConfirmationCaptured>
void PhotoConfirmationCaptured(MediaCapture sender, PhotoConfirmationCapturedEventArgs args)
{
using (ManualResetEventSlim evt = new ManualResetEventSlim(false))
{
CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
try
{
WriteableBitmap bmp = new WriteableBitmap(unchecked ((int)args.Frame.Width), unchecked ((int)args.Frame.Height));
using (var istream = args.Frame.AsStream())
using (var ostream = bmp.PixelBuffer.AsStream())
{
await istream.CopyStreamToAsync(ostream);
}
}
finally
{
evt.Set();
}
});
evt.Wait();
}
}
private void MediaCapture_PhotoConfirmationCaptured(MediaCapture sender, PhotoConfirmationCapturedEventArgs args)
{
}
public AsyncPictureDecoderExtension(ScanResult result, PhotoConfirmationCapturedEventArgs photoResult)
{
this.result = result;
InitializeDecoder(photoResult);
}
private void MediaCapture_PhotoConfirmationCaptured(MediaCapture sender, PhotoConfirmationCapturedEventArgs args)
{
PhotoConfirmationCaptured?.Invoke(sender, args);
}
private void captureTask_Completed(MediaCapture sender, PhotoConfirmationCapturedEventArgs e) {
asyncPictureDecoder = new WindowsPhone8Demo.Extensions.AsyncPictureDecoderExtension(result, e);
}
public AsyncPictureDecoderExtension(ScanResult result, PhotoConfirmationCapturedEventArgs photoResult)
{
this.result = result;
InitializeDecoder(photoResult);
}
private void InitializeDecoder(PhotoConfirmationCapturedEventArgs photoResult)
{
_image = new BitmapImage();
_reader = new ZXing.BarcodeReader();
Task.Run(delegate()
{
_reader.Options.TryHarder = false;
_reader.TryInverted = false;
_reader.AutoRotate = false;
_image.SetSource(photoResult.Frame);
ZXing.Result result = _reader.Decode(new WriteableBitmap(_image.PixelWidth, _image.PixelHeight));
if (result != null)
{
AddBarcodeToResults(result);
}
else
{
SetActivityMessage("No barcode detected", false);
}
}).ConfigureAwait(false).GetAwaiter().GetResult();
}
