private void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
DateTime lastSecond = DateTime.Now;
int fps = 0;
while (!backgroundWorker.CancellationPending)
{
try
{
cam.Update();
}
catch (Exception ex)
{
log.Debug("Update failed", ex);
continue;
}
ImageBase camImg = cam.CalcSelectedChannel();
if (null == camImg)
{
// ignore errors. However, this might be a hint that something is wrong in your application.
continue;
}
if (camImg is FloatImage && (cam.SelectedChannel == ChannelNames.Distance || cam.SelectedChannel == ChannelNames.ZImage))
{
TrimImage((FloatImage)camImg, Properties.Settings.Default.MinDepthToDisplay, Properties.Settings.Default.MaxDepthToDisplay);
}
Bitmap bmp = camImg.ToBitmap();
if (saveSnapshot)
{
string snapName = "MetriCam 2 Snapshot.png";
string snapFilename = Path.GetTempPath() + snapName;
bmp.Save(snapFilename);
MessageBox.Show(string.Format("Snapshot saved as '{0}'.", snapFilename), "Snapshot saved", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
saveSnapshot = false;
}
this.BeginInvokeEx(f => pictureBox.Image = bmp);
fps++;
DateTime now = DateTime.Now;
if (now - lastSecond > new TimeSpan(0, 0, 1))
{
int fpsCopy = fps;
this.BeginInvokeEx(f => labelFps.Text = $"{fpsCopy} fps");
lastSecond = now;
fps = 0;
}
}
DisconnectCamera();
isBgwFinished.Set();
}
