/// <summary>
/// Requests and attempts to read an image for a barcode
/// </summary>
private void imgCap()
{
if (!run)
{
return;
}
// Do allow multiple reads at the same time from timer interrupts
if (mu.WaitOne(1))
{
try
{
Bitmap curBarCode = (Bitmap)cam.AcquireImage();
pb_barcode.Image = Bitmapper.Resize(curBarCode, pb_barcode.Width, pb_barcode.Height);
curBarCode = PrepImage(curBarCode);
Bitmap temp = new Bitmap(curBarCode);
Bitmapper.ThresholdImage(temp, Barcode.threshold);
temp = (Bitmap)Bitmapper.Resize(temp, pb_barcode.Width, temp.Height);
pb_threshold.Image = temp;
if (curBarCode != null)
{
Barcode code = new Barcode(curBarCode);
if (code.uncertainty > (Int32)nud_uncertainty.Value)
{
throw new BarcodeException("Uncertainty to high:" + code.uncertainty);
}
DisplayBarcode(code.barcode);
lastBarcode = code;
lb_uncertainty.Text = code.uncertainty.ToString();
stop();
}
}
catch (Exception ex)
{
tb_errors.Text = ex.Message;
}
finally
{
mu.ReleaseMutex();
}
}
}
protected Bitmap GetCapture()
{
Bitmap img = null;
if (CallerControl != null)
{
if (CallerControl.InvokeRequired)
{
CallerControl.Invoke(new Action(() => img = Camera.AcquireImage()));
}
else
{
img = Camera.AcquireImage();
}
}
return(img);
}
