public void UpdateFrameHandler(webcam.UpdateFrame updateFrame)
{
_state.LastFrameUpdate = updateFrame.Body.TimeStamp;
updateFrame.ResponsePort.Post(DefaultUpdateResponseType.Instance);
SendNotification(_subMgr, updateFrame);
}
void OnCameraUpdateFrame(cam.UpdateFrame updateFrame)
{
if (!_state.UpdateFrame)
{
_state.UpdateFrame = true;
SpawnIterator(new List <ColorBin>(_state.ColorBins), ProcessImage);
}
}
void CameraUpdateFrameHandler(cam.UpdateFrame update)
{
if (_state.Processing || _state.Shutdown)
{
return;
}
_state.Processing = true;
SpawnIterator(update, DoCameraUpdateFrameHandler);
}
void OnWebcamUpdateFrame(webcam.UpdateFrame updateFrame)
{
_fwdPort.Post(new ProcessFrame(true));
}
// Timer for simulated cameras ONLY
void CameraTimer(DateTime signal)
{
//LogInfo(LogGroups.Console, "Send UpdateFrame to webcam");
cam.UpdateFrame request = new cam.UpdateFrame();
_webCamPort.Post(request);
Activate(
Arbiter.Receive(false, TimeoutPort(_state.Options.CameraInterval), CameraTimer)
);
}
IEnumerator <ITask> DoCameraUpdateFrameHandler(cam.UpdateFrame update)
{
try
{
cam.QueryFrameResponse frame = null;
Fault fault = null;
yield return(Arbiter.Choice(
_webCamPort.QueryFrame(new cam.QueryFrameRequest()),
delegate(cam.QueryFrameResponse success)
{
frame = success;
},
delegate(Fault f)
{
fault = f;
}
));
if (fault != null)
{
LogError(null, "Failed to get frame from camera", fault);
yield break;
}
Bitmap bmp = new Bitmap(
frame.Size.Width,
frame.Size.Height,
PixelFormat.Format24bppRgb
);
BitmapData data = bmp.LockBits(
new Rectangle(0, 0, bmp.Width, bmp.Height),
ImageLockMode.WriteOnly,
PixelFormat.Format24bppRgb
);
Marshal.Copy(frame.Frame, 0, data.Scan0, frame.Frame.Length);
bmp.UnlockBits(data);
FormInvoke setImage = new FormInvoke(
delegate()
{
if (!_form.IsDisposed)
{
_form.CameraImage = bmp;
}
}
);
WinFormsServicePort.Post(setImage);
Arbiter.Choice(
setImage.ResultPort,
delegate(EmptyValue success) { },
delegate(Exception e)
{
fault = Fault.FromException(e);
}
);
if (fault != null)
{
LogError(null, "Unable to set camera image on form", fault);
yield break;
}
}
finally
{
_mainPort.Post(new UpdateProcessing(false));
}
}
