private void btnStart_Click(object sender, EventArgs e)
{
if (videoSource == null)
{
var vcd = new VideoCaptureDevice(videoDevicesList[cmbVideoSource.SelectedIndex].MonikerString);
vcd.VideoResolution = vcd.VideoCapabilities[resolutionsBox.SelectedIndex];
Debug.WriteLine(vcd.VideoCapabilities[1].FrameSize.ToString());
Debug.WriteLine(resolutionsBox.SelectedIndex);
videoSource = vcd;
videoSource.NewFrame += new NewFrameEventHandler(video_NewFrame);
videoSource.Start();
StartButton.Text = "Стоп";
controlPanel.Enabled = true;
cmbVideoSource.Enabled = false;
}
else
{
videoSource.SignalToStop();
if (videoSource != null && videoSource.IsRunning && originalImageBox.Image != null)
{
originalImageBox.Image.Dispose();
}
videoSource = null;
StartButton.Text = "Старт";
controlPanel.Enabled = false;
cmbVideoSource.Enabled = true;
}
}
//Defines actions,happening after closing the form: Stops the camera
private void Form1_Closing(object sender, CancelEventArgs e)
{
if (videoSource != null && videoSource.IsRunning)
{
videoSource.SignalToStop();
}
}
public void StopCamera_Old()
{
if (_videoSource != null && _videoSource.IsRunning)
{
_videoSource.SignalToStop();
_videoSource.NewFrame -= new NewFrameEventHandler(video_NewFrame);
}
}
private void button2_Click(object sender, EventArgs e)
{
videoSource.SignalToStop();
if (videoSource != null && videoSource.IsRunning && pictureBox1.Image != null)
{
pictureBox1.BackgroundImage.Dispose();
}
}
private void frmUser_Closing(object sender, CancelEventArgs e)
{
// signal to stop
if (videoSource != null && videoSource.IsRunning)
{
videoSource.SignalToStop();
}
}
private void StopCamera()
{
if (_videoSource != null && _videoSource.IsRunning)
{
_videoSource.SignalToStop();
_videoSource.NewFrame -= video_NewFrame;
}
Image = null;
}
private void Form1_Closing(object sender, CancelEventArgs e)
{
// signal to stop
//ClosingConnections();
if (videoSource != null && videoSource.IsRunning)
{
videoSource.SignalToStop();
}
}
public void StopCamera(System.Windows.Controls.Image image)
{
if (_videoSource != null && _videoSource.IsRunning)
{
_videoSource.SignalToStop();
_videoSource.NewFrame -= new NewFrameEventHandler((sender, args) => {
video_NewFrame(sender, args, image);
});
}
image.Dispatcher.Invoke(() => image.Source = null);
}
private void StopCamera()
{
if (_videoSource != null && _videoSource.IsRunning)
{
_videoSource.SignalToStop();
_videoSource.NewFrame -= video_NewFrame;
}
_isCameraStart = false;
_logger.Info($"Stop camera | {DateTime.Now}");
GC.Collect();
}
public virtual void StopRecording()
{
_recording = false;
if (_videoSource != null && _videoSource.IsRunning)
{
_videoSource.SignalToStop();
_videoSource.NewFrame -= VideoNewFrame;
}
StopVideoFileWriter();
}
/// <summary>
/// Decodes the QR tag and completes the order
/// </summary>
private void decode_QRtag()
{
try
{
Bitmap bitmap = new Bitmap(pbCamera.Image);
BarcodeReader reader = new BarcodeReader {
AutoRotate = true, TryHarder = true
};
Result result = reader.Decode(bitmap);
string decoded = result.ToString().Trim();
long ticketId = Convert.ToInt64(decoded);
ticket = rClient.GetTicket(ticketId);
timer1.Stop();
videoSource.SignalToStop();
pbCamera.Image = null;
btnStopCamera.Enabled = false;
btnStopCamera.Visible = false;
if (!ticket.CheckedIn)
{
lblErrorMessage.Text = "Ticked is not checked in!";
errorTimer.Start();
}
else if (ticket.CheckedOut)
{
lblErrorMessage.Text = "Ticked is checked out!";
errorTimer.Start();
}
else if (ticket.Balance >= CalculatePrice(order)) //if ticket is valid we check its balance.
{
foreach (Product p in order)
{
for (int i = 0; i < p.NrInOrder; i++)
{
rClient.BuyProduct(ticketId, p.Id);
}
}
MessageBox.Show("Purchase successful.");
}
else
{
lblErrorMessage.Text = "Not enough balance.";
errorTimer.Start();
}
ClearOrder();
}//webexception required for when the server throws an error.
catch (WebException) { StopCamera(); ClearOrder(); lblErrorMessage.Text = "Ticket not found!"; errorTimer.Start(); }
catch
{
}
}
private void StopCamera()
{
_recording = false;
_writer.Close();
_writer.Dispose();
if (_videoSource != null && _videoSource.IsRunning)
{
_videoSource.SignalToStop();
_videoSource.NewFrame -= video_NewFrame;
}
Image = null;
}
private void Form1_Closing(object sender, CancelEventArgs e)
{
updateTmr.Dispose();
updateTmr = null;
// Как-то надо ещё робота подождать, если он работает
if (videoSource != null && videoSource.IsRunning)
{
videoSource.SignalToStop();
}
// Тут ошибка вылетает! Надо дождаться все ассоциированные процессы
}
/// <summary>
/// Stops the video stream.
/// </summary>
/// <remarks></remarks>
public void Stop()
{
if (Source != null && Source.IsRunning)
{
Source.SignalToStop();
}
}
private void btnCheckReservation_Click(object sender, EventArgs e)
{
HidePictures();
if (videoSource != null && videoSource.IsRunning) // click twice = turn off camera
{
videoSource.SignalToStop();
pbCamera.Image = null;
btnCheckInTicket.Text = "Click to scan ticket";
}
else
{
btnCheckInTicket.Text = "Stop scanning";
videoSource.Start();
timer1.Start();
}
}
public void StopBroadcastImage()
{
_videoSource.SignalToStop();
_videoSource.NewFrame -= Video_NewFrame;
_videoSource.VideoSourceError -= VideoStream_VideoSourceError;
// _mainWindow.Pic.Source = null;
}
// Signal video source to stop
public void signalToStop()
{
if (_videoSource != null)
{
_videoSource.SignalToStop();
}
}
public void Dispose()
{
if (_videoSource != null && _videoSource.IsRunning)
{
_videoSource.SignalToStop();
}
}
// Siganl video source to stop
public void SignalToStop( )
{
if (videoSource != null)
{
videoSource.SignalToStop( );
}
}
public void StopCamera(bool localCam = true)
{
if (_videoSource != null && _videoSource.IsRunning)
{
_videoSource.SignalToStop();
_videoSource.NewFrame -= video_NewFrame;
}
if (localCam)
{
ImageLocal.Dispatcher.Invoke(() => ImageLocal.Source = null);
}
else if (IsWebCamLive)
{
ImageLive.Dispatcher.Invoke(() => ImageLive.Source = null);
}
}
private void Form1_Closing(object sender, CancelEventArgs e)
{
if (zrodlo != null && zrodlo.IsRunning)
{
zrodlo.SignalToStop();
}
}
private void Button_PauseFeeding_Click(object sender, RoutedEventArgs e)
{
if (videoSource != null)
{
videoSource.SignalToStop();
}
}
void CloseOpenVideoSource()
{
if (videoSource == null)
{
videoSource = new VideoCaptureDevice(videoDevicesList[cmbVideoSource.SelectedIndex].MonikerString);
videoSource.NewFrame += new NewFrameEventHandler(video_NewFrame);
videoSource.Start();
btnStart.Text = "Stop";
}
else
{
videoSource.SignalToStop();
videoSource = null;
btnStart.Text = "Start";
}
}
private void StopCamera(object obj)
{
if (_videoSource != null && _videoSource.IsRunning)
{
_videoSource.SignalToStop();
_videoSource.NewFrame -= new NewFrameEventHandler(video_NewFrame);
}
}
/// <summary>
/// Signal video source to stop.
/// </summary>
///
/// <remarks><para>Use <see cref="WaitForStop"/> method to wait until video source
/// stops.</para></remarks>
///
public void SignalToStop()
{
CheckForCrossThreadAccess();
requestedToStop = true;
videoSource?.SignalToStop();
}
private void StopCamera()
{
if (videoSource != null && videoSource.IsRunning)
{
videoSource.SignalToStop();
videoSource.NewFrame -= new NewFrameEventHandler(videoSource_NewFrame);
}
}
public void SignalToStop()
{
CheckForCrossThreadAccess();
requestedToStop = true;
if (videoSource != null)
{
videoSource.SignalToStop();
}
}
/// <summary>
/// Signal the video source to stop.
/// </summary>
///
public void SignalToStop()
{
requestedToStop = true;
if (videoSource != null)
{
videoSource.SignalToStop();
}
}
private void DecodeQr()
{
try
{
Bitmap map = new Bitmap(pbCamera.Image);
BarcodeReader reader = new BarcodeReader {
AutoRotate = true, TryHarder = true
};
Result result = reader.Decode(map);
string decoded = result.ToString().Trim();
timer1.Stop();
videoSource.SignalToStop();
CompleteCheckOut(decoded);
button1.Text = "Click to scan ticket";
pbCamera.Image = null;
}
catch (WebException) { StopCamera(); lblErrorMessage.Text = "Ticket not found!"; timer2.Start(); }
catch { }
}
public void StopCamera()
{
if (_videoSource != null && _videoSource.IsRunning)
{
_videoSource.SignalToStop();
_videoSource.NewFrame -= video_NewFrame;
}
BitImage = null;
_bitmap = null;
}