public void RetrainRecognizer()
{
TrainRecognizer(_parameters.RecognizerIndex);
_controls.StatusText = StatusTypes.RetrainCompleted.GetDesciption();
_controls.IsNewUpdate = true;
StatusBarUtility.ResestStatus(_controls);
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
await StatusBarUtility.ShowAsync();
if (e.NavigationMode == NavigationMode.Back)
{
ViewModel.CheckCurrentActivitiesAsync();
}
base.OnNavigatedTo(e);
}
protected override async void NavigationActionAsync(object state)
{
await StatusBarUtility.ShowAsync();
ContentPageArgs args = new ContentPageArgs()
{
Name = "登录",
HeaderVisibility = Visibility.Collapsed,
};
args.ContentElement = new LoginFirstStepContentView();
TryReplaceNavigate(typeof(ContentPageView), args);
}
public void ToogleCameraService()
{
if (!IsStarted())
{
Task.Delay(700).ContinueWith(_ =>
{
StartCapturing(_parameters.DeviceIndex);
_controls.IsDeviceChangeEnabled = false;
_controls.ServiceButtonText = ButtonText.NoRetrieve.GetDesciption();
_controls.Name = string.Empty;
_controls.Age = string.Empty;
_controls.Address = string.Empty;
_controls.Details = string.Empty;
_controls.StatusText = StatusTypes.StreamStarted.GetDesciption();
_controls.IsNewUpdate = true;
_controls.IsSaveEnabled = false;
StatusBarUtility.ResestStatus(_controls);
});
}
else
{
StopCapturing();
_controls.IsDeviceChangeEnabled = true;
_controls.ServiceButtonText = ButtonText.Retrieve.GetDesciption();
_controls.KnownPeople = _parameters.UseExplorer
? _localStorageService.GetPeopleNames()
: _databaseService.GetPeopleNames();
_controls.StatusText = StatusTypes.StreamPaused.GetDesciption();
_controls.IsNewUpdate = true;
if (_controls.TheNewestFace != null)
{
_controls.IsSaveEnabled = true;
}
StatusBarUtility.ResestStatus(_controls);
}
}
/// <summary>
/// 在应用程序由最终用户正常启动时进行调用。
/// 将在启动应用程序以打开特定文件等情况下使用。
/// </summary>
/// <param name="e">有关启动请求和过程的详细信息。</param>
protected override void OnLaunched(LaunchActivatedEventArgs e)
{
Frame rootFrame = Window.Current.Content as Frame;
// 不要在窗口已包含内容时重复应用程序初始化，
// 只需确保窗口处于活动状态
if (rootFrame == null)
{
BaseViewModel.SetMainWindow();
BaseViewModel.SetOfoWebApiInstance(Global.OfoApi);
StatusBarUtility.SetForeground(Colors.DimGray);
// 创建要充当导航上下文的框架，并导航到第一页
rootFrame = new Frame();
rootFrame.NavigationFailed += OnNavigationFailed;
if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
{
//TODO: 从之前挂起的应用程序加载状态
}
// 将框架放在当前窗口中
Window.Current.Content = rootFrame;
}
if (e.PrelaunchActivated == false)
{
if (rootFrame.Content == null)
{
// 当导航堆栈尚未还原时，导航到第一页，
// 并通过将所需信息作为导航参数传入来配置
// 参数
rootFrame.Navigate(typeof(LoadingView), e.Arguments);
}
// 确保当前窗口处于活动状态
Window.Current.Activate();
}
}
public void SaveDetected()
{
var person = new PersonModelBase()
{
Name = _controls.Name,
Age = Convert.ToInt32(_controls.Age),
Address = _controls.Address,
Details = _controls.Details
};
var image = new ImageModelBase()
{
Data = BitmapUtility.BitmapToByteArray(_controls.TheNewestFace)
};
try
{
if (_parameters.UseExplorer)
{
_localStorageService.SaveFace(person, image);
}
else
{
_databaseService.SaveFace(new PersonModel(person), new ImageModel(image));
}
}
catch (Exception e)
{
MessageBox.Show("Wystąpił błąd podczas zapisu do bazy danych\r\n\r\n" + e);
}
_controls.KnownPeople = _parameters.UseExplorer
? _localStorageService.GetPeopleNames()
: _databaseService.GetPeopleNames();
_controls.StatusText = StatusTypes.SaveCompleted.GetDesciption();
_controls.IsNewUpdate = true;
StatusBarUtility.ResestStatus(_controls);
}
private void _faceDetectionService_FaceDetected(object sender, Image <Bgr, byte> image, Bitmap bitmap)
{
_mainPageViewModel.ViewModel.MainControls.TheNewestFace = bitmap;
_mainPageViewModel.ViewModel.MainControls.StatusText = StatusTypes.FaceDetected.GetDesciption();
_mainPageViewModel.ViewModel.MainControls.IsNewUpdate = true;
var id = _faceRecognionService.RecognizePerson(image.Convert <Gray, byte>(),
_mainPageViewModel.ViewModel.Parameters.RecognizerIndex);
var person = _databaseService.GetPersonalData(id);
_mainPageViewModel.ViewModel.MainControls.DetectedId = id;
_mainPageViewModel.ViewModel.MainControls.DetectedName =
person != null ? person.Name : "Brak informacji";
_mainPageViewModel.ViewModel.MainControls.DetectedAge =
person != null?person.Age.ToString() : "";
_mainPageViewModel.ViewModel.MainControls.DetectedAddress =
person != null ? person.Address : "";
_mainPageViewModel.ViewModel.MainControls.DetectedDetails =
person != null ? person.Details : "";
StatusBarUtility.ResestStatus(_mainPageViewModel.ViewModel.MainControls);
}