/// <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();
}