/// <summary> /// Starts the camera and capture process /// </summary> public void Start() { if (_photoCamera == null) { InitializeCamera(); } // At this point if application exits etc. without proper stopping of camera // it will throw an Exception. try { // Invokes these method calls on the UI-thread uiDispatcher.BeginInvoke(() => { _timer = new DispatcherTimer(); _timer.Interval = _scanInterval; _timer.Tick += (o, arg) => ScanPreviewBuffer(); CameraButtons.ShutterKeyHalfPressed += (o, arg) => { _photoCamera.Focus(); }; _timer.Start(); }); } catch (Exception) { // Do nothing } _photoCamera.Focus(); }
// Provide auto-focus in the viewfinder. private void focus_Clicked(object sender, System.Windows.RoutedEventArgs e) { if (cam.IsFocusSupported == true) { //Focus when a capture is not in progress. try { cam.Focus(); } catch (Exception focusError) { // Cannot focus when a capture is in progress. this.Dispatcher.BeginInvoke(delegate() { txtDebug.Text = focusError.Message; }); } } else { // Write message to UI. this.Dispatcher.BeginInvoke(delegate() { txtDebug.Text = "Camera does not support programmable auto focus."; }); } }
/// <summary> /// Starts the camera and capture process /// </summary> public void Start() { if (_photoCamera == null) { InitializeCamera(); } // At this point if application exits etc. without proper stopping of camera // it will throw an Exception. try { if (ScanOnAutoFocus) { // Fired when Auto-Focus has completed => // start scanning the preview for codes // and run a focus again (for _photoCamera.AutoFocusCompleted += (o, arg) => { if (doCancel) { return; } uiDispatcher.BeginInvoke(ScanPreviewBuffer); if (_photoCamera != null) { _photoCamera.Focus(); } }; _photoCamera.Focus(); } else { // Invokes these method calls on the UI-thread uiDispatcher.BeginInvoke(() => { _timer = new DispatcherTimer(); _timer.Interval = _scanInterval; _timer.Tick += (o, arg) => ScanPreviewBuffer(); CameraButtons.ShutterKeyHalfPressed += (o, arg) => { _photoCamera.Focus(); }; _timer.Start(); }); } } catch (Exception) { // Do nothing } }
void cam_Initialized(object sender, CameraOperationCompletedEventArgs e) { Dictionary <object, object> zxingHints = new Dictionary <object, object>() { { DecodeHintType.TRY_HARDER, true } }; _cam.FlashMode = FlashMode.Auto; _reader = new MultiFormatUPCEANReader(zxingHints); _cam.Focus(); }
void cam_Initialized(object sender, CameraOperationCompletedEventArgs e) { int width = Convert.ToInt32(_photoCamera.PreviewResolution.Width); int height = Convert.ToInt32(_photoCamera.PreviewResolution.Height); _luminance = new PhotoCameraLuminanceSource(width, height); Dispatcher.BeginInvoke(() => { _previewTransform.Rotation = _photoCamera.Orientation; _timer.Start(); }); _photoCamera.FlashMode = FlashMode.Auto; _photoCamera.Focus(); }
private void CameraButton_Click(object sender, RoutedEventArgs e) { if (photoCamera == null) { photoCamera = new PhotoCamera(); photoCamera.Initialized += OnPhotoCameraInitialized; previewVideo.SetSource(photoCamera); CameraButtons.ShutterKeyHalfPressed += (o, arg) => photoCamera.Focus(); } if (timer == null) { timer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(500) }; if (photoCamera.IsFocusSupported) { photoCamera.AutoFocusCompleted += (o, arg) => { if (arg.Succeeded) { ScanPreviewBuffer(); } }; timer.Tick += (o, arg) => { try { photoCamera.Focus(); } catch (Exception) { } }; } else { timer.Tick += (o, arg) => ScanPreviewBuffer(); } } BarcodeImage.Visibility = System.Windows.Visibility.Collapsed; previewRect.Visibility = System.Windows.Visibility.Visible; timer.Start(); }
private void FocusingCamera(object sender, EventArgs eventArgs) { if (_cam.IsFocusSupported) { _cam.Focus(); } }
void CameraButtons_ShutterKeyHalfPressed(object sender, EventArgs e) { if (_phoneCamera != null) { _phoneCamera.Focus(); } }
private void PreviewRect_Tap(object sender, System.Windows.Input.GestureEventArgs e) { if (_isInitialized) { _photoCamera.Focus(); } }
private void Scan() { if (IsScanning && _initialized && _photoCamera != null && _luminanceSource != null && _reader != null) { try { // 2-2-2012 - Rowdy.nl // Focus the camera for better recognition of QR code's if (_photoCamera.IsFocusSupported) { _photoCamera.Focus(); } // End Rowdy.nl _photoCamera.GetPreviewBufferY(_luminanceSource.PreviewBufferY); var binarizer = new HybridBinarizer(_luminanceSource); var binaryBitmap = new BinaryBitmap(binarizer); var result = _reader.decode(binaryBitmap, QRCodeHint); if (result != null) { StopScanning(); OnResult(result); } } catch (ReaderException) { } catch (Exception ex) { OnError(ex); } } }
void PhotoCameraButtonHalfPress(object sender, EventArgs e) { if (isInitialized) { photoCamera.Focus(); } }
private void Scan() { if (IsScanning && _initialized && _photoCamera != null && _luminanceSource != null && _reader != null) { try { // 2-2-2012 - Rowdy.nl // Focus the camera for better recognition of QR code's if (_photoCamera.IsFocusSupported) { _photoCamera.Focus(); } // End Rowdy.nl _photoCamera.GetPreviewBufferY(_luminanceSource.PreviewBufferY); var binarizer = new HybridBinarizer(_luminanceSource); var binaryBitmap = new BinaryBitmap(binarizer); var result = _reader.decode(binaryBitmap, QRCodeHint); StopScanning(); OnResult(result); } catch (ReaderException) { // There was not a successful QR code read in the scan // pass. Invoke and try again soon. Dispatcher.BeginInvoke(Scan); } catch (Exception ex) { OnError(ex); } } }
/// <summary> /// Al estar visible la vista, se inicializará la cámara /// </summary> /// <param name="e"></param> protected override void OnNavigatedTo(NavigationEventArgs e) { photoCamera = new PhotoCamera(); photoCamera.Initialized += OnPhotoCameraInitialized; previewVideo.SetSource(photoCamera); CameraButtons.ShutterKeyHalfPressed += (o, arg) => photoCamera.Focus(); base.OnNavigatedTo(e); }
protected override void OnNavigatedTo(NavigationEventArgs e) { photoCamera = new PhotoCamera(); previewVideo.SetSource(photoCamera); photoCamera.Initialized += OnPhotoCameraInitialized; CameraButtons.ShutterKeyHalfPressed += (o, arg) => photoCamera.Focus(); base.OnNavigatedTo(e); }
//カメラのプレビュー画面がタップされたら呼び出される private void PreviewRectangle_Tap(object sender, System.Windows.Input.GestureEventArgs e) { if (camera == null) { return; } camera.AutoFocusCompleted += new EventHandler <CameraOperationCompletedEventArgs>(camera_AutoFocusCompleted); //オートフォーカスが完了したら呼び出されるイベントハンドラを登録。 camera.Focus(); //オートフォーカス開始。 }
protected override void OnNavigatedTo(NavigationEventArgs e) { _photoCamera = new PhotoCamera(); _photoCamera.Initialized += OnPhotoCameraInitialized; _previewVideo.SetSource(_photoCamera); // _previewVideo is a VideoBrush-object CameraButtons.ShutterKeyHalfPressed += (o, arg) => _photoCamera.Focus(); base.OnNavigatedTo(e); }
// opening protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e) { base.OnNavigatedTo(e); _photoCamera = new PhotoCamera(); _photoCamera.Initialized += OnPhotoCameraInitialized; _previewVideo.SetSource(_photoCamera); CameraButtons.ShutterKeyHalfPressed += (o, arg) => _photoCamera.Focus(); }
protected override void OnNavigatedTo(NavigationEventArgs e) { _photoCamera = new PhotoCamera(); _photoCamera.Initialized += OnPhotoCameraInitialized; _previewVideo.SetSource(_photoCamera); // _previewVideo is a VideoBrush-object CameraButtons.ShutterKeyHalfPressed += (o, arg) => _photoCamera.Focus(); base.OnNavigatedTo(e); }
// opening protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e) { base.OnNavigatedTo(e); _photoCamera = new PhotoCamera(); _photoCamera.Initialized += OnPhotoCameraInitialized; _previewVideo.SetSource(_photoCamera); CameraButtons.ShutterKeyHalfPressed += (o, arg) => _photoCamera.Focus(); }
protected override void OnNavigatedTo(NavigationEventArgs e) { _photoCamera = new PhotoCamera(); _photoCamera.Initialized += OnPhotoCameraInitialized; qrPreviewVideo.SetSource(_photoCamera); CameraButtons.ShutterKeyHalfPressed += (o, arg) => _photoCamera.Focus(); if (server.name != null) joinMeeting(); base.OnNavigatedTo(e); }
public void Focus() { try { if (_photoCamera.IsFocusSupported) { _photoCamera.Focus(); } } catch { } }
//// Activate a flash mode. //// Cycle through flash mode options when the flash button is pressed. //private void changeFlash_Clicked(object sender, RoutedEventArgs e) //{ // switch (cam.FlashMode) // { // case FlashMode.Off: // if (cam.IsFlashModeSupported(FlashMode.On)) // { // // Specify that flash should be used. // cam.FlashMode = FlashMode.On; // FlashButton.Content = "Fl:On"; // currentFlashMode = "Flash mode: On"; // } // break; // case FlashMode.On: // if (cam.IsFlashModeSupported(FlashMode.RedEyeReduction)) // { // // Specify that the red-eye reduction flash should be used. // cam.FlashMode = FlashMode.RedEyeReduction; // FlashButton.Content = "Fl:RER"; // currentFlashMode = "Flash mode: RedEyeReduction"; // } // else if (cam.IsFlashModeSupported(FlashMode.Auto)) // { // // If red-eye reduction is not supported, specify automatic mode. // cam.FlashMode = FlashMode.Auto; // FlashButton.Content = "Fl:Auto"; // currentFlashMode = "Flash mode: Auto"; // } // else // { // // If automatic is not supported, specify that no flash should be used. // cam.FlashMode = FlashMode.Off; // FlashButton.Content = "Fl:Off"; // currentFlashMode = "Flash mode: Off"; // } // break; // case FlashMode.RedEyeReduction: // if (cam.IsFlashModeSupported(FlashMode.Auto)) // { // // Specify that the flash should be used in the automatic mode. // cam.FlashMode = FlashMode.Auto; // FlashButton.Content = "Fl:Auto"; // currentFlashMode = "Flash mode: Auto"; // } // else // { // // If automatic is not supported, specify that no flash should be used. // cam.FlashMode = FlashMode.Off; // FlashButton.Content = "Fl:Off"; // currentFlashMode = "Flash mode: Off"; // } // break; // case FlashMode.Auto: // if (cam.IsFlashModeSupported(FlashMode.Off)) // { // // Specify that no flash should be used. // cam.FlashMode = FlashMode.Off; // FlashButton.Content = "Fl:Off"; // currentFlashMode = "Flash mode: Off"; // } // break; // } // // Display current flash mode. // this.Dispatcher.BeginInvoke(delegate() // { // txtDebug.Text = currentFlashMode; // }); //} // Provide auto-focus in the viewfinder. private void focus_Clicked(object sender, System.Windows.RoutedEventArgs e) { if (cam.IsFocusSupported == true) { //Focus when a capture is not in progress. try { cam.Focus(); } catch (Exception ex) { LittleWatson.ReportException(ex); } } }
private void OnButtonHalfPress(object sender, EventArgs e) { if (_photoCamera != null && _photoCamera.IsFocusSupported) { try { _photoCamera.Focus(); } catch { } } }
private void ScanPreviewBuffer() { try { if (_luminance == null) { return; } _photoCamera.GetPreviewBufferY(_luminance.PreviewBufferY); // use a dummy writeable bitmap because the luminance values are written directly to the luminance buffer var result = _reader.Decode(_dummyBitmap); if (result == null) { Dispatcher.BeginInvoke(() => _photoCamera.Focus()); } } catch { } }
private void makeFocus() { if (_photoCamera != null && _photoCamera.IsFocusSupported) { try { _photoCamera.Focus(); } catch { } } }
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e) { if (_photoCamera != null) { // nama 3 ovat omia lisayksia _previewVideo = null; CameraButtons.ShutterKeyHalfPressed -= (o, arg) => _photoCamera.Focus(); _timer.Tick -= (o, arg) => ScanPreviewBuffer(); _photoCamera.Initialized -= OnPhotoCameraInitialized; _photoCamera.Dispose(); } }
protected override void OnNavigatedTo(NavigationEventArgs e) { _photoCamera = new PhotoCamera(); _photoCamera.Initialized += OnPhotoCameraInitialized; qrPreviewVideo.SetSource(_photoCamera); CameraButtons.ShutterKeyHalfPressed += (o, arg) => _photoCamera.Focus(); if (server.name != null) { joinMeeting(); } base.OnNavigatedTo(e); }
private void m_btnFocus_Click(object sender, System.Windows.RoutedEventArgs e) { try { cam.Focus(); m_sFnDtNext = ""; BtnBk.Fill = new SolidColorBrush(Colors.Green); } catch (Exception) { BtnBk.Fill = new SolidColorBrush(Colors.Red); } }
private void _focusButton_Click(object sender, RoutedEventArgs e) { if (_photoCamera != null && _photoCamera.IsFocusSupported) { try { _photoCamera.CancelFocus(); _photoCamera.Focus(); } catch { } } }
void ScannerControl_Tap(object sender, System.Windows.Input.GestureEventArgs e) { if (_currentCamera != null) { try { if (_currentCamera.IsFocusAtPointSupported) { var pt = e.GetPosition(this); double x = pt.X / this.ActualWidth; double y = pt.Y / this.ActualHeight; _currentCamera.FocusAtPoint(x, y); } else if (_currentCamera.IsFocusSupported) { _currentCamera.Focus(); } } catch (Exception) { //for many reason focus may fail son we catch the error quietly } } }
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e) { _cam = new PhotoCamera(); previewCanvas.SetSource(_cam); previewCanvas.RelativeTransform = new CompositeTransform() {CenterX = 0.5, CenterY = 0.5, Rotation = 90}; _cam.CaptureImageAvailable += (sender, args) => { //var library = new MediaLibrary(); string fileName = "wp8_kochbuch_" + _imgCounter + ".jpg"; _library.SavePictureToCameraRoll(fileName, args.ImageStream); }; _cam.CaptureCompleted += (sender, args) => { _imgCounter++; }; CameraButtons.ShutterKeyPressed += (sender, args) => _cam.CaptureImage(); CameraButtons.ShutterKeyHalfPressed += (sender, args) => _cam.Focus(); //CameraButtons.ShutterKeyReleased += (sender, args) => { }; base.OnNavigatedTo(e); }
// Constructor public MainPage() { InitializeComponent(); _photoCamera = new PhotoCamera(); _photoCamera.Initialized += OnPhotoCameraInitialized; _previewVideo.SetSource(_photoCamera); CameraButtons.ShutterKeyHalfPressed += (sender, args) => _photoCamera.Focus(); _photoChooserTask = new PhotoChooserTask(); _photoChooserTask.Completed += photoChooserTask_Completed; _photoChooserTask.Show(); _timer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(250) }; _timer.Tick += (o, arg) => ScanPreviewBuffer(); }
private void InitializePhoneCamera() { _phoneCamera = new PhotoCamera(CameraType.Primary); _phoneCamera.Initialized += CameraInitialized; viewfinderBrush.SetSource(_phoneCamera); double cameraAspectRatioRotated = _phoneCamera.Resolution.Height / _phoneCamera.Resolution.Width; double deviceAspectRatio = Application.Current.Host.Content.ActualHeight / Application.Current.Host.Content.ActualWidth; double scaleY = cameraAspectRatioRotated * deviceAspectRatio; viewfinderTransform.ScaleY = scaleY; CameraButtons.ShutterKeyHalfPressed += CameraButtons_ShutterKeyHalfPressed; _phoneCamera.AutoFocusCompleted += _phoneCamera_AutoFocusCompleted; //Display the camera feed in the UI _autofocusTimer = new DispatcherTimer(); _autofocusTimer.Interval = TimeSpan.FromMilliseconds(2000); _autofocusTimer.Tick += (o, arg) => { if (_phoneCamera == null) { return; } _phoneCamera.Focus(); }; // This timer will be used to scan the camera buffer every 250ms and scan for any barcodes _scanTimer = new DispatcherTimer(); _scanTimer.Interval = TimeSpan.FromMilliseconds(250); _scanTimer.Tick += (o, arg) => ScanForBarcode(); }
private void callback(object sender, EventArgs e) { cam.FocusAtPoint(r, r); r = 1 - r; cam.Focus(); textBlock1 = Globals.textBlock2; //if (Globals.tickCount % 50 == 0) //{ // System.Diagnostics.Debug.WriteLine(st.ElapsedMilliseconds/50); // st.Reset(); // st.Start(); //} PhotoCamera phCam = (PhotoCamera)cam; for (int i = Globals.n1 - 1; i > 0; i--) { Globals.x1[i] = Globals.x1[i - 1]; } //pauseFramesEvent.WaitOne(); phCam.GetPreviewBufferArgb32(ARGBPx); int tempVal = 0; for (int i = 0; i < 5; i++) { for (int j = 0; j < 5; j++) { tempVal += (ARGBPx[j * (int)rect1.Width + i] >> 16) & 0xFF; } } // tempVal+= (ARGBPx[(int)rect1.Width*(((int)rect1.Height+1)/2 - 50+i)]>>16)&0xFF; tempVal /= 25; Globals.x1[0] = tempVal; textBlock1.Text = Globals.x1[0] + ""; Globals.lpf(); }
/// <summary> /// Starts a camera auto focus operation. /// </summary> /// <remarks> /// This method is already protected and only called when the service is currently running. /// </remarks> protected override void FocusCamera() { _photoCamera.Focus(); }
private async void ScanPreviewBuffer() { if (cameraAvailable_) { int[] ARGBPx = new int[(int)cameraRes_.Width * (int)cameraRes_.Height]; MailModel mail = new MailModel(); // Get the current frame camera_.Focus(); camera_.GetPreviewBufferArgb32(ARGBPx); if (firstImageToCompare_ == null) { firstImageToCompare_ = new Image(ARGBPx, (int)cameraRes_.Width, (int)cameraRes_.Height); } // Do the comparison and detect the motion else { Image newImage = new Image(ARGBPx, (int)cameraRes_.Width, (int)cameraRes_.Height); int[] r1 = firstImageToCompare_.GetR(); int[] r2 = newImage.GetR(); // Update the screen if any motion has been detected if (DetectMotion(firstImageToCompare_, newImage)) { textBlock.Visibility = Visibility.Visible; // Encode the preview buffer as string using (MemoryStream ms = new MemoryStream()) { WriteableBitmap wbmp = new WriteableBitmap( (int)cameraRes_.Width, (int)cameraRes_.Height); ARGBPx.CopyTo(wbmp.Pixels, 0); wbmp.SaveJpeg(ms, (int)cameraRes_.Width, (int)cameraRes_.Height, 0, 50); mail.Image = Convert.ToBase64String(ms.ToArray()); mail.Subject = "MSS"; mail.Body = "Intruder detected!"; mail.To = App.RoamingSettings.Values["Email"].ToString(); } // Send e-mail if (App.RoamingSettings.Values["Emailactivate"].Equals(true) && mailAvailable_) { mailAvailable_ = false; if (!await Controllers.MailController.SendMail(mail)) { MessageBox.Show("Email could not be sent!"); } } } else { textBlock.Visibility = Visibility.Collapsed; } // Update the image firstImageToCompare_ = newImage; } } }
private void InitializePhoneCamera() { _phoneCamera = new PhotoCamera(CameraType.Primary); _phoneCamera.Initialized += CameraInitialized; viewfinderBrush.SetSource(_phoneCamera); double cameraAspectRatioRotated = _phoneCamera.Resolution.Height / _phoneCamera.Resolution.Width; double deviceAspectRatio = Application.Current.Host.Content.ActualHeight / Application.Current.Host.Content.ActualWidth; double scaleY = cameraAspectRatioRotated * deviceAspectRatio; viewfinderTransform.ScaleY = scaleY; CameraButtons.ShutterKeyHalfPressed += CameraButtons_ShutterKeyHalfPressed; _phoneCamera.AutoFocusCompleted += _phoneCamera_AutoFocusCompleted; //Display the camera feed in the UI _autofocusTimer = new DispatcherTimer(); _autofocusTimer.Interval = TimeSpan.FromMilliseconds(2000); _autofocusTimer.Tick += (o, arg) => { if (_phoneCamera == null) { return; } _phoneCamera.Focus(); }; // This timer will be used to scan the camera buffer every 250ms and scan for any barcodes _scanTimer = new DispatcherTimer(); _scanTimer.Interval = TimeSpan.FromMilliseconds(250); _scanTimer.Tick += (o, arg) => ScanForBarcode(); }
private void CameraButton_Click(object sender, RoutedEventArgs e) { if (photoCamera == null) { photoCamera = new PhotoCamera(); photoCamera.Initialized += OnPhotoCameraInitialized; previewVideo.SetSource(photoCamera); CameraButtons.ShutterKeyHalfPressed += (o, arg) => photoCamera.Focus(); } if (timer == null) { timer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(500) }; timer.Tick += (o, arg) => ScanPreviewBuffer(); } BarcodeImage.Visibility = System.Windows.Visibility.Collapsed; previewRect.Visibility = System.Windows.Visibility.Visible; timer.Start(); }
void Scan_Loaded(object sender, RoutedEventArgs e) { if (photoCamera == null) { photoCamera = new PhotoCamera(); photoCamera.Initialized += OnPhotoCameraInitialized; previewVideo.SetSource(photoCamera); CameraButtons.ShutterKeyHalfPressed += (o, arg) => photoCamera.Focus(); } if (timer == null) { timer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(500) }; if (photoCamera.IsFocusSupported) { photoCamera.AutoFocusCompleted += (o, arg) => { if (arg.Succeeded) ScanPreviewBuffer(); }; timer.Tick += (o, arg) => { try { photoCamera.Focus(); } catch (Exception) { } }; } else { timer.Tick += (o, arg) => ScanPreviewBuffer(); } } previewRect.Visibility = System.Windows.Visibility.Visible; timer.Start(); }