public void Dispose()
{
if (BackBrush != null)
{
BackBrush.Dispose();
}
if (FontBrush != null)
{
FontBrush.Dispose();
}
if (Icon != null)
{
Icon.Dispose();
}
}
private void VideoNewFrame(object sender, NewFrameEventArgs e)
{
var nf = NewFrame;
var f = e.Frame;
if (_requestedToStop || nf == null || f == null)
{
return;
}
if (_lastframeEvent > DateTime.MinValue)
{
if ((Helper.Now < _nextFrameTarget))
{
return;
}
CalculateFramerates();
}
_lastframeEvent = Helper.Now;
if (_updateResources)
{
_updateResources = false;
DrawFont.Dispose();
DrawFont = null;
ForeBrush.Dispose();
ForeBrush = null;
BackBrush.Dispose();
BackBrush = null;
SetMaskImage();
RotateFlipType rft;
if (Enum.TryParse(CW.Camobject.rotateMode, out rft))
{
RotateFlipType = rft;
}
else
{
RotateFlipType = RotateFlipType.RotateNoneFlipNone;
}
}
Bitmap bmOrig = null;
bool bMotion = false;
lock (_sync)
{
try
{
bmOrig = ResizeBmOrig(f);
if (RotateFlipType != RotateFlipType.RotateNoneFlipNone)
{
bmOrig.RotateFlip(RotateFlipType);
}
_width = bmOrig.Width;
_height = bmOrig.Height;
if (ZPoint == Point.Empty)
{
ZPoint = new Point(bmOrig.Width / 2, bmOrig.Height / 2);
}
if (CW.NeedMotionZones)
{
CW.NeedMotionZones = !SetMotionZones(CW.Camobject.detector.motionzones);
}
if (Mask != null)
{
ApplyMask(bmOrig);
}
if (CW.Camobject.alerts.active && Plugin != null && Alarm != null)
{
bmOrig = RunPlugin(bmOrig);
}
var bmd = bmOrig.LockBits(new Rectangle(0, 0, bmOrig.Width, bmOrig.Height), ImageLockMode.ReadWrite, bmOrig.PixelFormat);
//this converts the image into a windows displayable image so do it regardless
using (var lfu = new UnmanagedImage(bmd))
{
if (_motionDetector != null)
{
bMotion = ApplyMotionDetector(lfu);
}
else
{
MotionDetected = false;
}
if (CW.Camobject.settings.FishEyeCorrect)
{
_feCorrect.Correct(lfu, CW.Camobject.settings.FishEyeFocalLengthPX,
CW.Camobject.settings.FishEyeLimit, CW.Camobject.settings.FishEyeScale, ZPoint.X,
ZPoint.Y);
}
if (ZFactor > 1)
{
var f1 = new ResizeNearestNeighbor(lfu.Width, lfu.Height);
var f2 = new Crop(ViewRectangle);
try
{
using (var imgTemp = f2.Apply(lfu))
{
f1.Apply(imgTemp, lfu);
}
}
catch (Exception ex)
{
ErrorHandler?.Invoke(ex.Message);
}
}
}
bmOrig.UnlockBits(bmd);
PiP(bmOrig);
AddTimestamp(bmOrig);
}
catch (UnsupportedImageFormatException ex)
{
CW.VideoSourceErrorState = true;
CW.VideoSourceErrorMessage = ex.Message;
bmOrig?.Dispose();
return;
}
catch (Exception ex)
{
bmOrig?.Dispose();
ErrorHandler?.Invoke(ex.Message);
return;
}
if (MotionDetector != null && !CW.Calibrating && MotionDetector.MotionProcessingAlgorithm is BlobCountingObjectsProcessing && !CW.PTZNavigate && CW.Camobject.settings.ptzautotrack)
{
try
{
ProcessAutoTracking();
}
catch (Exception ex)
{
ErrorHandler?.Invoke(ex.Message);
}
}
}
if (!_requestedToStop)
{
nf.Invoke(this, new NewFrameEventArgs(bmOrig));
}
if (bMotion)
{
TriggerDetect(this);
}
}