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;
}
private void Time_ValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
{
CurrentTime = e.NewValue;
if (_selectedCameraIndex > -1 && _selectedCameraIndex < WebcamManager.NumberConnectedCameras())
{
Image_Viewer.TimeSensitivity = (float)CurrentTime;
}
}
private void Difference_ValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
{
CurrentDifference = e.NewValue;
if (_selectedCameraIndex > -1 && _selectedCameraIndex < WebcamManager.NumberConnectedCameras())
{
Image_Viewer.MotionDiffSensitivity = (int)CurrentDifference;
}
}
public void Zoom_ValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
{
long value = Convert.ToInt64(e.NewValue);
CurrentZoom = Convert.ToInt32(value);
if (_selectedCameraIndex > -1 && _selectedCameraIndex < WebcamManager.NumberConnectedCameras())
{
WebcamManager.SetPropertyValueManual(_selectedCameraIndex, WebcamManager.CAMERA_PROPERTY.CAMERA_ZOOM, value);
}
}
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);
}
}
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;
}
public override void UpdateFrame(object sender, EventArgs e)
{
WebCam camera = sender as WebCam;
SelectedCameraIndex = camera.WebCamID;
if (camera.ImageBuffer == null)
{
return;
}
if (ImagerWidth != default(double) && ImagerHeight != default(double) && SelectedCameraIndex > -1 && SelectedCameraIndex < WebcamManager.NumberConnectedCameras())
{
try
{
int scaledRoiX = Math.Max(Math.Min(Convert.ToInt32(ImagerWidth * RoiX), Convert.ToInt32(ImagerWidth)), 0);
int scaledRoiY = Math.Max(Math.Min(Convert.ToInt32(ImagerHeight * RoiY), Convert.ToInt32(ImagerHeight)), 0);
int scaledRoiWidth = Math.Max(Math.Min(Convert.ToInt32(ImagerWidth * RoiWidth), Convert.ToInt32(ImagerWidth)), 0);
int scaledRoiHeight = Math.Max(Math.Min(Convert.ToInt32(ImagerWidth * RoiHeight), Convert.ToInt32(ImagerHeight)), 0);
if (Detector.DetectFace(camera.ImageBuffer, Convert.ToInt32(ImagerWidth), Convert.ToInt32(ImagerHeight), scaledRoiX, scaledRoiY, scaledRoiWidth, scaledRoiHeight))
{
OnFaceDetected(EventArgs.Empty); // trigger event
}
if (showDebug)
{
Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Render, (SendOrPostCallback) delegate
{
populateBitMap(Detector.cvOutImage.Bytes, (int)(ImagerWidth * ImagerHeight * 3));
BitmapSource.Invalidate();
GC.Collect(); //this is due to a bug in InteropBitmap which causes memory leaks for 24 bit bitmaps... MS: FIX IT!
}, null);
}
}
catch (Emgu.CV.Util.CvException ex)
{
System.Windows.Forms.MessageBox.Show(ex.ErrorMessage);
}
}
}
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;
}
