private static BasicVideoFrame InternalCreateFrame(int width, int height, Bitmap cameraFrame, int fameNumber, bool variant, FrameProcessingStatus status)
{
var rv = new BasicVideoFrame();
rv.pixels = ImageUtils.GetPixelArray(width, height, cameraFrame);
rv.previewBitmap = cameraFrame;
rv.pixelsVariant = null;
// TODO: Set these from the unmanaged OCR data, when native OCR is running
rv.frameNumber = fameNumber;
if (status.Equals(FrameProcessingStatus.Empty))
{
rv.exposureStartTime = null;
rv.exposureDuration = null;
rv.imageInfo = null;
}
else
{
if (status.StartExposureSystemTime > 0)
{
try
{
rv.exposureStartTime =
new DateTime(status.StartExposureSystemTime).ToString("yyyy/MM/dd HH:mm:ss ffff - ") +
new DateTime(status.EndExposureSystemTime).ToString("yyyy/MM/dd HH:mm:ss ffff | ") +
status.StartExposureFrameNo.ToString("0 - ") +
status.EndExposureFrameNo.ToString("0");
}
catch { }
try
{
rv.exposureDuration = new TimeSpan(status.EndExposureSystemTime - status.StartExposureSystemTime).TotalMilliseconds;
}
catch { }
}
else
{
rv.exposureStartTime = null;
rv.exposureDuration = null;
}
rv.imageInfo = string.Format("INT:{0};SFID:{1};EFID:{2};CTOF:{3};UFID:{4};IFID:{5};DRPD:{6}",
status.DetectedIntegrationRate,
status.StartExposureFrameNo,
status.EndExposureFrameNo,
status.CurrentSignatureRatio,
status.CameraFrameNo,
status.IntegratedFrameNo,
status.DropedFramesSinceIntegrationLock);
rv.MaxSignalValue = (uint)(status.DetectedIntegrationRate * 255);
if (status.PerformedAction > 0)
{
rv.imageInfo += string.Format(";ACT:{0};ACT%:{1}", status.PerformedAction, status.PerformedActionProgress);
}
if (status.OcrWorking > 0)
{
rv.imageInfo += string.Format(";ORER:{0}", status.OcrErrorsSinceLastReset);
}
if (status.UserIntegratonRateHint > 0)
{
rv.imageInfo += string.Format(";USRI:{0}", status.UserIntegratonRateHint);
}
if (TrackingContext.Current.IsTracking)
{
TrackingContext.Current.UpdateFromFrameStatus(fameNumber, status);
}
}
return rv;
}
internal static BasicVideoFrame FakeFrame(int width, int height)
{
var rv = new BasicVideoFrame();
s_Counter++;
rv.frameNumber = s_Counter;
rv.pixels = new int[0, 0];
return rv;
}
