/// <summary> /// Triggered when webcam feed loads both for the first time and every time page is navigated to. /// If no WebcamHelper has been created, it creates one. Otherwise, simply restarts webcam preview feed on page. /// </summary> private async void WebcamFeed_Loaded(object sender, RoutedEventArgs e) { if (webcam == null || !webcam.IsInitialized()) { // Initialize Webcam Helper webcam = new WebcamHelper(); await webcam.InitializeCameraAsync(); // Set source of WebcamFeed on MainPage.xaml WebcamFeed.Source = webcam.mediaCapture; // Check to make sure MediaCapture isn't null before attempting to start preview. Will be null if no camera is attached. if (WebcamFeed.Source != null) { // Start the live feed await webcam.StartCameraPreview(); } } else if (webcam.IsInitialized()) { WebcamFeed.Source = webcam.mediaCapture; // Check to make sure MediaCapture isn't null before attempting to start preview. Will be null if no camera is attached. if (WebcamFeed.Source != null) { await webcam.StartCameraPreview(); } } }
private async void Timer_Tick(object sender, object e) { if (livetemperature() >= 23) { TestPostMessage(livetemperature().ToString()); //Take photo and save into Intrusos if (webcam == null || !webcam.IsInitialized()) { // Initialize Webcam Helper webcam = new WebcamHelper(); await webcam.InitializeCameraAsync(); } currentIdPhotoFile = await webcam.CapturePhoto(); // Create or open the folder in which the Whitelist is stored StorageFolder whitelistFolder = await KnownFolders.PicturesLibrary.CreateFolderAsync(GeneralConstants.WhiteListFolderName, CreationCollisionOption.OpenIfExists); // Create a folder to store this specific user's photos StorageFolder currentFolder = await whitelistFolder.CreateFolderAsync("Intrusos", CreationCollisionOption.OpenIfExists); // Move the already captured photo the user's folder await currentIdPhotoFile.MoveAsync(currentFolder); } await Task.Run(async() => { await AzureIoTHub.SendTemperatureAsync(livetemperature()); }); }
private static void SetupMessageHandlers() { connection.AppendIncomingPacketHandler <byte>("GetCameraDevices", (header, connection, data) => { string[] names = WebcamHelper.GetDeviceNames(); VideoDevices devices = new VideoDevices() { videoDevices = new VideoDevice[names.Length] }; for (int i = 0; i < devices.videoDevices.Length; i++) { VideoCapabilities[] capabilities = WebcamHelper.GetDeviceCapabilities(i); devices.videoDevices[i] = new VideoDevice() { name = names[i], capabilities = new VideoDeviceCapabilities[capabilities.Length] }; for (int j = 0; j < capabilities.Length; j++) { devices.videoDevices[i].capabilities[j] = new VideoDeviceCapabilities() { averageFramerate = capabilities[j].AverageFrameRate, maxFramerate = capabilities[j].MaximumFrameRate, height = capabilities[j].FrameSize.Height, width = capabilities[j].FrameSize.Width }; } } connection.SendObject <byte[]>("CameraDevices", Serializer.Serialize <VideoDevices>(devices, encryptionKey)); }); connection.AppendIncomingPacketHandler <byte[]>("GetCameraImage", (header, connection, data) => { GetImage image = Serializer.Deserialize <GetImage>(data, encryptionKey); WebcamHelper.GetWebcamImage(image.deviceIndex, image.width, image.height, (bitmapImage) => { connection.SendObject <byte[]>("CameraImage", Serializer.Serialize <ByteData>(new ByteData() { data = WebcamHelper.GetImagePNGBytes(bitmapImage) }, encryptionKey)); }); }); connection.AppendIncomingPacketHandler <byte>("GetDesktopImage", (header, connection, data) => { connection.SendObject <byte[]>("DesktopImage", Serializer.Serialize <ByteData>(new ByteData() { data = WebcamHelper.GetImagePNGBytes(WebcamHelper.GetDesktopScreenshot()) }, encryptionKey)); }); connection.AppendIncomingPacketHandler <byte>("GetLocation", (header, connection, data) => { LocationHelper.GetPosition((location) => { connection.SendObject <byte[]>("Location", Serializer.Serialize <DeviceLocation>(location, encryptionKey)); }); }); }
/// <summary> /// Triggered every time the page is navigated to. /// </summary> protected override async void OnNavigatedTo(NavigationEventArgs e) { try { //Sets passed through WecamHelper from MainPage as local webcam object webcam = e.Parameter as WebcamHelper; } catch (Exception exception) { Debug.WriteLine("Error when navigating to NewUserPage: " + exception.Message); } }
public GPIOService() { led = 17; pushButton = 22; InitGpio(); webcam = new WebcamHelper(); DispatcherTimer timer = new DispatcherTimer(); timer.Interval = TimeSpan.FromMilliseconds(100); timer.Tick += Timer_Tick; timer.Start(); }
/// <summary> /// Triggered every time the page is navigated to. /// </summary> protected override void OnNavigatedTo(NavigationEventArgs e) { try { // Catches the passed UserProfilePage parameters UserProfileObject userProfileParameters = e.Parameter as UserProfileObject; // Sets current user as the passed through Visitor object currentUser = userProfileParameters.Visitor; // Sets the VisitorNameBlock as the current user's name VisitorNameBlock.Text = currentUser.Name; // Sets the local WebcamHelper as the passed through intialized one webcam = userProfileParameters.WebcamHelper; } catch { // Something went wrong... It's likely the page was navigated to without a Visitor parameter. Navigate back to MainPage Frame.Navigate(typeof(MainPage)); } }
public CardRecognizerViewModel() { this.CamHelper = new WebcamHelper(); this.Recognizer = new CardRecognizer(); this.ocrEngine = OcrEngine.TryCreateFromLanguage(new Windows.Globalization.Language("en")); this.CannyLowerControl = new VariableControl("Canny Lower", UpdateCannyParams); this.CannyUpperControl = new VariableControl("Canny Upper", UpdateCannyParams); this.CannyKernelControl = new VariableControl("Canny Kernel", UpdateCannyParams); this.CannyBlurControl = new VariableControl("Canny Blur", UpdateCannyParams); this.MinContourControl = new VariableControl("Min Contour", UpdateContourBounds); this.MaxContourControl = new VariableControl("Max Contour", UpdateContourBounds); this.MinAreaControl = new VariableControl("Min Area", UpdateAreaBounds); this.MaxAreaControl = new VariableControl("Max Area", UpdateAreaBounds); this.Rotations = Settings.Instance.Get("Rotations"); UpdateCannyParams(); UpdateContourBounds(); UpdateAreaBounds(); }
/// <summary> /// Initializes a new UserProfileObject with relevant information /// </summary> public UserProfileObject(Visitor visitor, WebcamHelper webcamHelper) { Visitor = visitor; WebcamHelper = webcamHelper; }
/// <summary> /// Initializes a new UserProfileObject with relevant information /// </summary> public UserProfileObject(Member visitor, WebcamHelper webcamHelper) { Member = visitor; WebcamHelper = webcamHelper; }