private void button2_Click(object sender, EventArgs e)
{
if (button2.Text == "Tomar Foto")
{
AForge.Video.DirectShow.FilterInfoCollection videosources = new AForge.Video.DirectShow.FilterInfoCollection(AForge.Video.DirectShow.FilterCategory.VideoInputDevice);
if (videosources != null)
{
videosource = new AForge.Video.DirectShow.VideoCaptureDevice(videosources[0].MonikerString);
videosource.NewFrame += (s, a) => pictureBox2.Image = (Bitmap)a.Frame.Clone();
videosource.Start();
button2.Text = "Capturar";
}
}
else
{
pictureBox1.Image = pictureBox2.Image;
if (videosource != null && videosource.IsRunning)
{
videosource.SignalToStop();
videosource = null;
}
pictureBox2.Image = null;
button2.Text = "Tomar Foto";
}
}
public void GetFrame()
{
// enumerate video devices
var videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
//foreach (FilterInfo item in videoDevices)
//{
//videoSource = new VideoCaptureDevice(item.MonikerString);
videoSource = new VideoCaptureDevice(videoDevices[1].MonikerString);
//videoSource.DesiredFrameSize = new Size(160, 120);
// create video source
//VideoCaptureDevice videoSource = new VideoCaptureDevice(videoDevices[0].MonikerString);
// set NewFrame event handler
videoSource.NewFrame += new NewFrameEventHandler(video_NewFrame);
// start the video source
videoSource.Start();
// ...
System.Threading.Thread.Sleep(500);
Trace.WriteLine("FramesReceived: " + videoSource.FramesReceived);
// signal to stop
videoSource.SignalToStop();
// ...
//}
}
public void StopVideo(VideoCaptureDevice videoSource)
{
if (videoSource != null && videoSource.IsRunning)
{
// stop the video source
videoSource.SignalToStop();
videoSource = null;
// ...
}
}
private static void Main(string[] args)
{
Trace.Listeners.Add(new ConsoleTraceListener());
// enumerate video devices
var videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
if (videoDevices.Count > 0)
{
// create video source
var videoSource = new VideoCaptureDevice(
videoDevices[0].MonikerString);
int maxCapabilitieIndex = videoSource.VideoCapabilities.Count() - 1;
if (maxCapabilitieIndex > 0)
{
VideoCapabilities resolution = videoSource.VideoCapabilities[maxCapabilitieIndex];
videoSource.VideoResolution = resolution;
videoSource.SetCameraProperty(CameraControlProperty.Exposure, +20, CameraControlFlags.Manual);
// set NewFrame event handler
videoSource.NewFrame += video_NewFrame;
// start the video source
videoSource.Start();
int count = 0;
do
{
Thread.Sleep(100);
} while (imageCount < 20);
videoSource.SignalToStop();
}
else
{
//no capabilities
}
}
// ...
}
private void TakePhoto()
{
try
{
//webCamPictureBox.Image.Save("snapshot.png", System.Drawing.Imaging.ImageFormat.Png);
btnSalvarFoto.Enabled = false;
btnCapturar.Enabled = true;
//webCamPictureBox.ImageLocation = "snapshot.png";
if (videoSource != null && videoSource.IsRunning)
{
videoSource.SignalToStop();
videoSource = null;
}
picWebCam.Image.Save(diretorioImagem + txtNomeAluno.Text + ".jpg", System.Drawing.Imaging.ImageFormat.Png);
}
catch (Exception ex)
{
}
}
private void InternalStart()
{
var videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
if (videoDevices.Count == 0)
{
TraceFileHelper.Error("No video devices found.");
}
string moniker = null;
foreach (FilterInfo videoDevice in videoDevices)
{
if (videoDevice.Name == m_VideoDeviceName)
{
moniker = videoDevice.MonikerString;
break;
}
}
if (moniker == null)
{
TraceFileHelper.Error("Device not found");
return;
}
// create video source
var videoSource = new VideoCaptureDevice(moniker);
int maxCapabilitieIndex = videoSource.VideoCapabilities.Count() - 1;
if (maxCapabilitieIndex < 0)
{
TraceFileHelper.Warning("No camera image capabilities found.");
return;
}
VideoCapabilities resolution = videoSource.VideoCapabilities[maxCapabilitieIndex];
videoSource.VideoResolution = resolution;
// set NewFrame event handler
videoSource.NewFrame += video_NewFrame;
// start the video source
videoSource.Start();
do
{
Thread.Sleep(100);
} while (! m_StopRequested);
videoSource.SignalToStop();
m_ProcessingThread = null;
}
