/// <summary>
/// Manual Triggerring
/// </summary>
/// <param name="manualLive"></param>
/// <returns></returns>
public override object Acquire(bool manualLive)
{
if (_cogAcqFifo == null)
{
//if (SimFileName !="" && File.Exists(SimFileName))
//{
// return Bitmap.FromFile(SimFileName);
//}
return(null);
}
ICogImage cogImage = null;
StopLiveAllCameraWindows();
if (ExternalTrigger)
{
if (!manualLive)
{
TriggerMode = eTriggerMode.Idle;
}
_waitForImage.Reset();
FireTrigger();
try
{
// Wait for response
U.BlockOrDoEvents(_waitForImage, 2000);
cogImage = _lastCogImage;
}
catch (Exception ex)
{
U.LogError(ex, "Image Acquisition error");
}
}
else
{
try
{
System.Threading.Thread.Sleep(1);
int ticket = -1;
lock (_lockAcqFifo)
{
ticket = _cogAcqFifo.StartAcquire();
}
cogImage = WaitForImage(ticket);
}
catch (Exception ex)
{
U.LogError(ex, "Cognex Acquisition Error");
}
D.ObjectEventHandler delCallback = GetNextCallback();
if (delCallback != null)
{
delCallback(cogImage);
}
}
AssignImageToWindows(cogImage);
return(cogImage);
}
/// <summary>
/// Auto-Triggerring
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CogAcqFifo_Complete(object sender, CogCompleteEventArgs e)
{
lock (_lockFifoComplete)
{
_lastCogImage = null;
try
{
do
{
Stopwatch sw = Stopwatch.StartNew();
ICogImage cogImage = WaitForImage(-1);
if (cogImage == null)
{
return;
}
_lastCogImage = cogImage;
if (ShowImageInWindows)
{
AssignImageToWindows(cogImage);
}
D.ObjectEventHandler delCallback = GetNextCallback();
if (delCallback != null)
{
delCallback(_lastCogImage);
}
_waitForImage.Set();
} while (true);
}
catch (Exception ex)
{
U.LogError(ex, "Error in obtaining image");
System.Diagnostics.Debug.WriteLine(string.Format("Error in obtaining image {0}", Name));
}
_waitForImage.Set();
}
}