private void Start()
{
CameraService cameraService = new CameraService();
CognitiveService cognitiveService = new CognitiveService();
int countSearchTimes = 0;
_isScanning = true;
List_wordsRicognized.Visibility = Visibility.Collapsed;
Button_start.Visibility = Visibility.Collapsed;
Button_stop.Visibility = Visibility.Visible;
Grid_loading.Visibility = Visibility.Visible;
DM_logo.Visibility = Visibility.Collapsed;
Task.Factory.StartNew(async() =>
{
if (cameraService.IsInitialized() == false)
{
await cameraService.InitializeAsync();
}
while (_isScanning)
{
countSearchTimes++;
Task.Delay(Config.Instance.ScanTimeDeley).Wait();
if (_isScanning)
{
var stream = (await cameraService.CapturePhoto());
stream.Seek(0);
byte[] imgBytes = new byte[stream.Size];
await stream.AsStream().ReadAsync(imgBytes, 0, (int)stream.Size);
var _words = await cognitiveService.ReadTextFromImage(imgBytes);
if (_words != null && _words.Count > 0)
{
await UIDispatcher.MainView.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
WordsRecognized.Clear();
foreach (var item in _words)
{
WordsRecognized.Add(item);
}
Grid_loading.Visibility = Visibility.Collapsed;
List_wordsRicognized.Visibility = Visibility.Visible;
Button_start.Visibility = Visibility.Visible;
Button_stop.Visibility = Visibility.Collapsed;
});
_isScanning = false;
}
}
}
}).Wait();
}
