// Fire thread safe event
private void FireImagerSnapshotEvent(ImagerSnapshotEventArgs snArgs)
{
if (this.InvokeRequired)
{
this.Invoke(new IntermecImager_SnapshotEvent(FireImagerSnapshotEvent), snArgs);
return;
}
else
{
if (this.OnImagerSnapshot != null)
{
OnImagerSnapshot(snArgs);
}
}
}
// Fire thread safe event
private void FireImagerSnapshotEvent(ImagerSnapshotEventArgs snArgs)
{
if (this.InvokeRequired)
{
this.Invoke(new IntermecImager_SnapshotEvent(FireImagerSnapshotEvent), snArgs);
return;
}
else
{
if (this.OnImagerSnapshot != null)
{
OnImagerSnapshot(snArgs);
}
}
}
/// <summary>
/// make a snaphot in a thread
/// </summary>
private void DoSnapShot()
{
addLog("DoSnapShot: Entering SnapShot thread");
if (_bTakingSnapShot)
{
addLog("DoSnapShot: SnapShot already running");
return;
}
_bTakingSnapShot = true;
try
{
if (File.Exists(_TempFileName))
{
addLog("DoSnapShot: deleting tempfile '" + _TempFileName + "'");
File.Delete(_TempFileName);
}
else
{
addLog("DoSnapShot: no tempfile '" + _TempFileName + "' to delete");
}
addLog("DoSnapShot: invoking '_imager.SnapShot()'...");
_imager.SnapShot(_TempFileName, Imager.PictureResolutionSize.Full, Imager.FileModeType.JPG); //this line will block for a second or two
addLog("DoSnapShot: '_imager.SnapShot()' done");
//wait until the file is ready
int TryCount = 0;
addLog("DoSnapShot: waiting for file to be ready...");
while ((!File.Exists(_TempFileName)) && (TryCount++ < 10)) //high resolution snapshot may take a second or 2
{
System.Threading.Thread.Sleep(500);
}
addLog("DoSnapShot: DONE waiting for file to be ready");
if (File.Exists(_TempFileName))
{
addLog("DoSnapShot: tempfile '" + _TempFileName + "' ready");
}
else
{
addLog("DoSnapShot: no tempfile '" + _TempFileName + "' saved by SnapShot!");
}
//_imager.VideoRunning = false; //XXX showVideoRunning()
addLog("DoSnapShot: signaling ImageIsReady()");
//fire the ready event
ImagerSnapshotEventArgs snArg = new ImagerSnapshotEventArgs(_TempFileName, SnapshotStatus.Ok);
addLog("DoSnapShot(): FireImagerSnapshotEvent...");
FireImagerSnapshotEvent(snArg);
addLog("DoSnapShot(): calling ShowSnapShot with true");
showSnapshot(true); //DoSnapShot
//ImageIsReady();
}
catch (ThreadAbortException ex)
{
addLog("DoSnapShot: ThreadAbortException: " + ex.Message);
}
catch (Exception ex)
{
addLog("DoSnapShot: Exception: " + ex.Message);
}
finally
{
#if STREAMING_ON
#else
addLog("Trying to set AimerFlashing...\n" + "Current AimerFlashing=" + _imager.AimerFlashing.ToString());
_imager.AimerFlashing = Imager.AimerFlashingMode.AlwaysOff;
#endif
}
_bTakingSnapShot = false;
_bLastState = false; //enable next press and hold action
addLog("DoSnapShot: has been ended.");
}
/// <summary>
/// make a snaphot in a thread
/// </summary>
private void DoSnapShot()
{
addLog("DoSnapShot: Entering SnapShot thread");
if (_bTakingSnapShot)
{
addLog("DoSnapShot: SnapShot already running");
return;
}
_bTakingSnapShot = true;
try
{
if (File.Exists(_TempFileName))
{
addLog("DoSnapShot: deleting tempfile '" + _TempFileName + "'");
File.Delete(_TempFileName);
}
else
{
addLog("DoSnapShot: no tempfile '" + _TempFileName + "' to delete");
}
addLog("DoSnapShot: invoking '_imager.SnapShot()'...");
_imager.SnapShot(_TempFileName, Imager.PictureResolutionSize.Full, Imager.FileModeType.JPG); //this line will block for a second or two
addLog("DoSnapShot: '_imager.SnapShot()' done");
//wait until the file is ready
int TryCount = 0;
addLog("DoSnapShot: waiting for file to be ready...");
while ((!File.Exists(_TempFileName)) && (TryCount++ < 10)) //high resolution snapshot may take a second or 2
{
System.Threading.Thread.Sleep(500);
}
addLog("DoSnapShot: DONE waiting for file to be ready");
if (File.Exists(_TempFileName))
{
addLog("DoSnapShot: tempfile '" + _TempFileName + "' ready");
}
else
{
addLog("DoSnapShot: no tempfile '" + _TempFileName + "' saved by SnapShot!");
}
//_imager.VideoRunning = false; //XXX showVideoRunning()
addLog("DoSnapShot: signaling ImageIsReady()");
//fire the ready event
ImagerSnapshotEventArgs snArg = new ImagerSnapshotEventArgs(_TempFileName, SnapshotStatus.Ok);
addLog("DoSnapShot(): FireImagerSnapshotEvent...");
FireImagerSnapshotEvent(snArg);
addLog("DoSnapShot(): calling ShowSnapShot with true");
showSnapshot(true); //DoSnapShot
//ImageIsReady();
}
catch (ThreadAbortException ex)
{
addLog("DoSnapShot: ThreadAbortException: " + ex.Message);
}
catch (Exception ex)
{
addLog("DoSnapShot: Exception: " + ex.Message);
}
finally
{
#if STREAMING_ON
#else
addLog("Trying to set AimerFlashing...\n" + "Current AimerFlashing=" + _imager.AimerFlashing.ToString());
_imager.AimerFlashing = Imager.AimerFlashingMode.AlwaysOff;
#endif
}
_bTakingSnapShot = false;
_bLastState = false; //enable next press and hold action
addLog("DoSnapShot: has been ended.");
}
