public Bitmap GetNextFrame(out ImageStatus status)
{
status = null;
if (latestBitmap == null)
{
return null;
}
try
{
Bitmap bmp = NativeHelpers.GetCurrentImage(out status);
if (bmp != null)
{
return (Bitmap)bmp.Clone();
}
}
catch (Exception ex)
{
Trace.WriteLine(ex);
}
return (Bitmap)latestBitmap.Clone();
}
public static Bitmap GetCurrentImage(out ImageStatus status)
{
Bitmap videoFrame = null;
status = new ImageStatus();
byte[] bitmapPixels = new byte[3 * imageWidth * imageHeight + 40 + 14 + 1];
GetCurrentImage(bitmapPixels);
GetCurrentImageStatus(status);
using (MemoryStream memStr = new MemoryStream(bitmapPixels))
{
try
{
videoFrame = (Bitmap)Bitmap.FromStream(memStr);
}
catch (Exception ex)
{
try
{
videoFrame = new Bitmap(imageWidth, imageHeight);
using (Graphics g = Graphics.FromImage(videoFrame))
{
g.Clear(Color.White);
g.DrawString(ex.Message, s_ErrorFont, Brushes.Red, 10, 10);
g.Save();
}
}
catch(Exception ex2)
{
Trace.WriteLine(ex2.GetFullStackTrace());
}
Trace.WriteLine(ex.GetFullStackTrace());
}
}
return videoFrame;
}
public void UpdateFromFrameStatus(long frameNo, ImageStatus status)
{
bool updatedMade = false;
if (TrackedObjectId != -1 && status.TrkdTargetIsTracked > 0)
{
TargetStar.X = status.TrkdTargetXPos;
TargetStar.Y = status.TrkdTargetYPos;
TargetStar.FWHM = status.TrkdTargetPsfInfo.FWHM;
TargetStar.IsLocated = status.TrkdTargetIsLocated > 0;
TargetStar.HasSaturatedPixels = status.TrkdTargetHasSaturatedPixels > 0;
TargetStar.Measurement = status.TrkdTargetMeasurement;
TargetStar.PsfFit.LoadFromNativePsfFitInfo(status.TrkdTargetPsfInfo, status.TrkdTargetResiduals);
updatedMade = true;
}
if (GuidingObjectId != -1 && status.TrkdGuidingIsTracked > 0)
{
GuidingStar.X = status.TrkdGuidingXPos;
GuidingStar.Y = status.TrkdGuidingYPos;
GuidingStar.FWHM = status.TrkdGuidingPsfInfo.FWHM;
GuidingStar.IsLocated = status.TrkdGuidingIsLocated > 0;
GuidingStar.HasSaturatedPixels = status.TrkdGuidingHasSaturatedPixels > 0;
GuidingStar.Measurement = status.TrkdGuidingMeasurement;
GuidingStar.PsfFit.LoadFromNativePsfFitInfo(status.TrkdGuidingPsfInfo, status.TrkdGuidingResiduals);
updatedMade = true;
}
if (updatedMade)
LastTrackedFrameNo = frameNo;
}
public FrameProcessingStatus(ImageStatus imgStatus)
{
FrameDiffSignature = 0;
CameraFrameNo = imgStatus.UniqueFrameNo;
CurrentSignatureRatio = imgStatus.CutOffRatio;
IntegratedFrameNo = imgStatus.IntegratedFrameNo;
CountedFrames = imgStatus.CountedFrames;
DetectedIntegrationRate = imgStatus.DetectedIntegrationRate;
DropedFramesSinceIntegrationLock = imgStatus.DropedFramesSinceIntegrationLock;
PerformedAction = imgStatus.PerformedAction;
PerformedActionProgress = imgStatus.PerformedActionProgress;
StartExposureSystemTime = imgStatus.StartExposureSystemTime;
EndExposureSystemTime = imgStatus.EndExposureSystemTime;
StartExposureFrameNo = imgStatus.StartExposureFrameNo;
EndExposureFrameNo = imgStatus.EndExposureFrameNo;
OcrWorking = imgStatus.OcrWorking;
OcrErrorsSinceLastReset = imgStatus.OcrErrorsSinceLastReset;
UserIntegratonRateHint = imgStatus.UserIntegratonRateHint;
TrkdGuidingXPos = imgStatus.TrkdGuidingXPos;
TrkdGuidingYPos = imgStatus.TrkdGuidingYPos;
TrkdGuidingIsTracked = imgStatus.TrkdGuidingIsTracked;
TrkdGuidingMeasurement = imgStatus.TrkdGuidingMeasurement;
TrkdTargetXPos = imgStatus.TrkdTargetXPos;
TrkdTargetYPos = imgStatus.TrkdTargetYPos;
TrkdTargetIsTracked = imgStatus.TrkdTargetIsTracked;
TrkdTargetMeasurement = imgStatus.TrkdTargetMeasurement;
TrkdTargetIsLocated = imgStatus.TrkdTargetIsLocated;
TrkdGuidingIsLocated = imgStatus.TrkdGuidingIsLocated;
TrkdTargetHasSaturatedPixels = imgStatus.TrkdTargetHasSaturatedPixels;
TrkdGuidingHasSaturatedPixels = imgStatus.TrkdGuidingHasSaturatedPixels;
TrkdTargetResiduals = imgStatus.TrkdTargetResiduals;
TrkdGuidingResiduals = imgStatus.TrkdGuidingResiduals;
TrkdTargetPsfInfo = imgStatus.TrkdTargetPsfInfo;
TrkdGuidingPsfInfo = imgStatus.TrkdGuidingPsfInfo;
}
