private void Button_Clicked(object sender, RoutedEventArgs e)
{
if (!_selectedState)
{
SelectedCameraIndex = _selectedCameraIndex = camera_selector.GetSelectedCameraIndex();
SelectedCameraName = WebcamManager.GetCamera(SelectedCameraIndex).WebCamName;
SelectedCameraPath = WebcamManager.GetCamera(SelectedCameraIndex).WebCamPath;
if (SelectedCameraIndex > -1 && SelectedCameraIndex < WebcamManager.NumberConnectedCameras())
{
Image_Viewer.SetImageSource(WebcamManager.GetCamera(_selectedCameraIndex));
}
SelectorPanel.Visibility = Visibility.Collapsed;
ROIPanel.Visibility = Visibility.Visible;
ButtonState.Content = "<< Select another camera";
}
else
{
ROIPanel.Visibility = Visibility.Collapsed;
if (_selectedCameraIndex > -1)
{
WebCam camera = WebcamManager.GetCamera(_selectedCameraIndex);
Image_Viewer.RemoveImageSource(camera);
Image_Viewer.Clear();
Image_Viewer_Orig.RemoveImageSource(camera);
}
SelectorPanel.Visibility = Visibility.Visible;
ButtonState.Content = "Configure person detector >>";
}
_selectedState = !_selectedState;
}
void InitializeFaceDetection(int cameraindex)
{
Thread thread = new Thread(() =>
{
try
{
ReleasePreviousDetectors();
WebcamManager.SetPropertyValueManual(cameraindex, WebcamManager.CAMERA_PROPERTY.CAMERA_FOCUS, camerafocus);
WebcamManager.SetPropertyValueManual(cameraindex, WebcamManager.CAMERA_PROPERTY.CAMERA_ZOOM, camerazoom);
faceDetector = new WebCamFaceDetector();
faceDetector.ToggleVisualization();
faceDetector.RegisterForImages(WebcamManager.GetCamera(cameraindex));
faceDetector.SelectedCameraIndex = cameraindex;
faceDetector.RoiX = roiX;
faceDetector.RoiY = roiY;
faceDetector.RoiWidth = roiWidth;
faceDetector.RoiHeight = roiHeight;
faceDetector.FaceDetected += WebCamFaceDetected;
}
catch (Exception err)
{
MessageBox.Show(err.ToString());
}
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
}
void InitializeMotionDetection(int cameraindex)
{
Thread thread = new Thread(() =>
{
try
{
ReleasePreviousDetectors();
WebcamManager.SetPropertyValueManual(cameraindex, WebcamManager.CAMERA_PROPERTY.CAMERA_FOCUS, camerafocus);
WebcamManager.SetPropertyValueManual(cameraindex, WebcamManager.CAMERA_PROPERTY.CAMERA_ZOOM, camerazoom);
motionDetector = new WebCamMotionDetector();
motionDetector.ToggleVisualization();
motionDetector.RegisterForImages(WebcamManager.GetCamera(cameraindex));
motionDetector.SelectedCameraIndex = cameraindex;
motionDetector.MotionAreaPercentageSensitivity = percentageSensitivity;
motionDetector.TimeSensitivity = timeThreshold;
motionDetector.RoiX = roiX;
motionDetector.RoiY = roiY;
motionDetector.RoiWidth = roiWidth;
motionDetector.RoiHeight = roiHeight;
motionDetector.MotionDiffSensitivity = differenceThreshold;
motionDetector.MotionDetected += WebCamMotionDetected;
}
catch (Exception err)
{
MessageBox.Show(err.ToString());
}
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
}
public void CleanUp()
{
if (_selectedCameraIndex > -1)
{
WebCam camera = WebcamManager.GetCamera(_selectedCameraIndex);
Image_Viewer.RemoveImageSource(camera);
Image_Viewer.Clear();
Image_Viewer_Orig.RemoveImageSource(camera);
}
}
protected int LookforSelectedCamera(bool force = false)
{
bool selectedCameraFound = false;
selectedCameraConnected = false;
if (!IsEnabled && !force)
{
return(-1);
}
int numberConnectedCameras = WebcamManager.NumberConnectedCameras();
if (numberConnectedCameras == 0)
{
selectedCameraConnected = false;
Logger.WriteLine("No camera available");
ErrorLog.AddError(ErrorType.Failure, "Motion detection is disabled because no camera was detected");
return(-1);
}
int index = -1;
if (selectedCameraPath == default(string))
{
ErrorLog.AddError(ErrorType.Message, "No webcam configuration. Defaulting to first available webcam.");
return(-1);
}
else
{
for (int i = 0; i < numberConnectedCameras; i++)
{
if (WebcamManager.GetCamera(i).WebCamPath == selectedCameraPath)
{
if (WebcamManager.GetCamera(i).IsActive)
{
index = i;
selectedCameraConnected = true;
selectedCameraFound = true;
break;
}
else if (WebcamManager.StartCamera(i, captureWidth, captureHeight))
{
index = i;
selectedCameraConnected = true;
selectedCameraFound = true;
break;
}
}
}
if (!selectedCameraFound && numberConnectedCameras > 0)
{
ErrorLog.AddError(ErrorType.Failure, "The originally selected camera is not available.");
}
return(index);
}
}
public void SetImageSource(int index)
{
if (index > -1 && _selectedCameraIndex < WebcamManager.NumberConnectedCameras())
{
_selectedCameraIndex = index;
WebCam camera = WebcamManager.GetCamera(index);
long mn = 0, mx = 0, step = 0;
if (WebcamManager.GetMinPropertyValue(index, WebcamManager.CAMERA_PROPERTY.CAMERA_FOCUS, ref mn) && WebcamManager.GetMaxPropertyValue(index, WebcamManager.CAMERA_PROPERTY.CAMERA_FOCUS, ref mx))
{
FocusMinimum = Convert.ToDouble(mn);
FocusMaximum = Convert.ToDouble(mx);
if (FocusMinimum != FocusMaximum)
{
Focus_Slider.IsEnabled = true;
}
else
{
FocusMinimum = 0;
FocusMaximum = 1;
Focus_Slider.IsEnabled = false;
}
}
else
{
FocusMinimum = 0;
FocusMaximum = 1;
Focus_Slider.IsEnabled = false;
}
if (WebcamManager.GetMinPropertyValue(index, WebcamManager.CAMERA_PROPERTY.CAMERA_ZOOM, ref mn) && WebcamManager.GetMaxPropertyValue(index, WebcamManager.CAMERA_PROPERTY.CAMERA_ZOOM, ref mx))
{
ZoomMinimum = Convert.ToDouble(mn);
ZoomMaximum = Convert.ToDouble(mx);
if (ZoomMinimum != ZoomMaximum)
{
Zoom_Slider.IsEnabled = true;
}
else
{
ZoomMinimum = 0;
ZoomMaximum = 1;
Zoom_Slider.IsEnabled = false;
}
}
else
{
ZoomMinimum = 0;
ZoomMaximum = 1;
Zoom_Slider.IsEnabled = false;
}
Image_Viewer.SetImageSource(camera);
Image_Viewer_Orig.SetImageSource(camera);
}
}
public string GetSelectedCameraName()
{
if (selectedCameraIndex != -1)
{
return(WebcamManager.GetCamera(cameraList[selectedCameraIndex]).WebCamName);
}
else
{
return(null);
}
}
protected override void OnDeleted()
{
if (webcambuffer != null && selectedCameraIndex != -1)
{
webcambuffer.UnregisterForImages(WebcamManager.GetCamera(selectedCameraIndex));
ReleasePreviousBuffers();
WebcamManager.ReleaseInactiveCameras();
if (callbacksRegistered)
{
WebcamManager.UnregisterWebcamConnectionEvent(OnCameraConnected);
WebcamManager.UnregisterWebcamRemovalEvent(OnCameraDisconnected);
callbacksRegistered = false;
}
}
}
public void OnCameraConnected(object sender, USBEvent e)
{
if (!selectedCameraConnected)
{
Thread.Sleep(50);
WebcamManager.RestartService();
selectedCameraIndex = LookforSelectedCamera();
if (selectedCameraIndex != -1)
{
Logger.WriteLine("Selected camera reconnected");
ErrorLog.AddError(ErrorType.Message, "Selected camera has been reconnected");
webcambuffer.RegisterForImages(WebcamManager.GetCamera(selectedCameraIndex));
WebcamManager.ReleaseInactiveCameras();
}
}
}
private void Viewer_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
ImageViewer mouseViewer = sender as ImageViewer;
int index = cameraList[cameraPreviews.IndexOf(mouseViewer)];
if (index != selectedCameraIndex && selectedCameraIndex != -1)
{
cameraPreviews[cameraList.IndexOf(selectedCameraIndex)].ViewerBorderColor = "Transparent";
cameraPreviews[cameraList.IndexOf(selectedCameraIndex)].ViewerWidth = previewWidth;
cameraPreviews[cameraList.IndexOf(selectedCameraIndex)].ViewerHeight = previewHeight;
mouseViewer.ViewerBorderColor = "LightGreen";
mouseViewer.ViewerWidth = previewHeight + 16;
mouseViewer.ViewerHeight = mouseViewer.ViewerWidth * 3 / 4;
selectedCameraIndex = cameraList[cameraPreviews.IndexOf(mouseViewer)];
//mainView[0].TopTitle = WebcamManager.GetCamera(selectedCameraIndex).WebCamName;
//mainView[0].SetImageSource(WebcamManager.GetCamera(selectedCameraIndex));
selectedCameraName = WebcamManager.GetCamera(selectedCameraIndex).WebCamName;
}
}
void InitializeSnapshot(int cameraindex)
{
Thread thread = new Thread(() =>
{
try
{
ReleasePreviousBuffers();
if (webcambuffer == null)
{
webcambuffer = new WebCamBuffer();
}
webcambuffer.RegisterForImages(WebcamManager.GetCamera(cameraindex));
}
catch (Exception err)
{
MessageBox.Show(err.ToString());
}
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
}
//[MethodImpl(MethodImplOptions.Synchronized)]
protected override void OnDisabled(DisabledEventArgs e)
{
if (!e.IsConfiguring)
{
if (motionDetector != null && selectedCameraIndex != -1)
{
motionDetector.MotionDetected -= WebCamMotionDetected;
motionDetector.UnregisterForImages(WebcamManager.GetCamera(selectedCameraIndex));
ReleasePreviousDetectors();
WebcamManager.SetPropertyValueAuto(selectedCameraIndex, WebcamManager.CAMERA_PROPERTY.CAMERA_FOCUS);
WebcamManager.SetPropertyValueAuto(selectedCameraIndex, WebcamManager.CAMERA_PROPERTY.CAMERA_ZOOM);
WebcamManager.ReleaseInactiveCameras();
if (callbacksRegistered)
{
WebcamManager.UnregisterWebcamConnectionEvent(OnCameraConnected);
WebcamManager.UnregisterWebcamRemovalEvent(OnCameraDisconnected);
callbacksRegistered = false;
}
}
}
}
private void Button_Clicked(object sender, RoutedEventArgs e)
{
if (!_selectedState)
{
SelectedCameraIndex = camera_selector.GetSelectedCameraIndex();
SelectedCameraName = WebcamManager.GetCamera(SelectedCameraIndex).WebCamName;
SelectedCameraPath = WebcamManager.GetCamera(SelectedCameraIndex).WebCamPath;
if (SelectedCameraIndex > -1 && SelectedCameraIndex < WebcamManager.NumberConnectedCameras())
{
camera_roi_selector.SetImageSource(SelectedCameraIndex);
}
SelectorPanel.Visibility = Visibility.Collapsed;
ROIPanel.Visibility = Visibility.Visible;
ButtonState.Content = "<< Select another camera";
}
else
{
ROIPanel.Visibility = Visibility.Collapsed;
camera_roi_selector.CleanUp();
SelectorPanel.Visibility = Visibility.Visible;
ButtonState.Content = "Configure motion detector >>";
}
_selectedState = !_selectedState;
}
private void UpdatePanel()
{
if (WebcamManager.IsServiceRestartRequired())
{
WebcamManager.RestartService();
}
if (!callbacksRegistered)
{
WebcamManager.RegisterWebcamConnectionEvent(OnCameraConnected);
WebcamManager.RegisterWebcamRemovalEvent(OnCameraDisconnected);
callbacksRegistered = true;
}
numberConnectedCameras = WebcamManager.NumberConnectedCameras();
cameraList = new List <int>();
selectedCameraIndex = -1;
int numAvailableCameras = 0;
cameraPreviews.Clear(); //remove previous viewers
//populate the camera list and find the one that is available and set it as current selection...
if (numberConnectedCameras == 0)
{
ShowNoCamerasFoundPanel();
return;
}
for (int i = 0; i < numberConnectedCameras; i++)
{
//if (WebcamManager.StartCamera(i, captureWidth, captureHeight))
{
ImageViewer viewer = new ImageViewer();
viewer.ViewerWidth = previewWidth;
viewer.ViewerHeight = previewHeight;
viewer.TopTitle = WebcamManager.GetCamera(i).WebCamName;
if (WebcamManager.StartCamera(i, captureWidth, captureHeight))
{
if (viewer.TopTitle == selectedCameraName || selectedCameraIndex == -1)
{
selectedCameraIndex = i;
}
viewer.SetImageSource(WebcamManager.GetCamera(i));
viewer.MouseEnter += Viewer_MouseEnter;
viewer.MouseLeave += Viewer_MouseLeave;
viewer.PreviewMouseLeftButtonUp += Viewer_MouseLeftButtonUp;
++numAvailableCameras;
}
else
{
viewer.ImageSource.Source = loadBitmap(Properties.Resources.CamBusyIcon);
viewer.BottomTitle = "This webcam is already busy";
}
cameraList.Add(i);
cameraPreviews.Add(viewer);
}
}
if (selectedCameraIndex != -1)
{
cameraPreviews[cameraList.IndexOf(selectedCameraIndex)].ViewerBorderColor = "LightGreen";
cameraPreviews[cameraList.IndexOf(selectedCameraIndex)].ViewerWidth = previewHeight + 16;
cameraPreviews[cameraList.IndexOf(selectedCameraIndex)].ViewerHeight = cameraPreviews[cameraList.IndexOf(selectedCameraIndex)].ViewerWidth * 3 / 4;
}
//release inactive cameras so that they can be made available to other processes...
WebcamManager.ReleaseInactiveCameras();
CameraReadiness = true;
}
