//this thread will pull work of of myQueue and update the UI using Dispatcher.Invoke
public void Work(TransferBits trans)
{
if (Application.Current == null)
{
return;
}
Application.Current.Dispatcher.Invoke(
DispatcherPriority.Background,
new Action(() =>
{
//MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
//byte[] hash = md5.ComputeHash(trans.FormattedBuf);
//((App)Application.Current).logger.MyLogFile("Preview hash ", string.Format(" thread {0} Bytes {1}", Thread.CurrentThread.ManagedThreadId, ByteArrayToString(hash)));
FRate.Content = string.Format("Frame Rate {0:F0}", trans.frameDesc.ActualFrameRate);
Exp.Content = string.Format("Exposure {0:F0}", trans.frameDesc.Shutter);
image = new BitmapImage();
using (MemoryStream stream = new MemoryStream(trans.FormattedBuf))
{
image.BeginInit();
image.DecodePixelHeight = (int)myCanvas.ActualHeight;
image.DecodePixelWidth = (int)myCanvas.ActualWidth;
image.StreamSource = stream;
image.CacheOption = BitmapCacheOption.OnLoad;
image.EndInit();
}
still.Height = myCanvas.ActualHeight;
still.Width = myCanvas.ActualWidth;
still.Source = image;
trans.FormattedBuf = null;
((App)Application.Current).logger.MyLogFile("Preview Camera ", this.Name);
}));
}
public void Work(TransferBits trans)
{
//do not execute processData on the UI thread
if (Application.Current == null)
{
return;
}
HistElt[] elts = Processdata(trans);
// trans.bits = null;
trans = null;
Application.Current.Dispatcher.BeginInvoke(
DispatcherPriority.Background,
new Action(() =>
{
DataUpdated(elts);
((App)Application.Current).logger.MyLogFile("Histogram ", String.Format(" GC Memory: {0:N0} bytes (starting memory)", GC.GetTotalMemory(false)));
}
));
}
private HistElt[] Processdata(TransferBits transfer)
{
FrameDescriptor frameDesc = transfer.frameDesc;
byte[] bits = transfer.bits;
// Api.SetStreamState(m_hCamera, StreamState.Stop);
// logger.MyLogFile("Callback ", "MyCallbackFunction");
HistElt[] m_elts = Enumerable.Range(0, (int)formats.PIXEL_TYPES_TOTAL).Select(i => new HistElt()).ToArray();
List <countHolder> counts = new List <countHolder> {
new countHolder(),
new countHolder(),
new countHolder(),
new countHolder()
};
List <countHolder> countsGRBG = new List <countHolder> {
new countHolder(),
new countHolder(),
new countHolder(),
new countHolder()
};
//// Array.Clear(m_elts, 0, (int)formats.PIXEL_TYPES_TOTAL);
//for (int i = 0; i < (int)formats.PIXEL_TYPES_TOTAL; i++)
//{
// for (int j = 0; j < 256; j++)
// {
// m_elts[i].data[j] = 0;
// }
//}
long curtime = (long)frameDesc.FrameTime * 1000;
int elapsedframes = frameDesc.FrameNumber;
int decX = frameDesc.PixelAddressingValueHorizontal;
int decY = frameDesc.PixelAddressingValueVertical;
//int decY = static_cast<int>(pFrameDesc->PixelAddressingValue.fVertical);
// int frameCols = DEC_SIZE(static_cast<int>(pFrameDesc->Roi.fWidth), decX);
// DEC_SIZE(len,dec) (((len) + (dec) - 1) / (dec))
int frameCols = (frameDesc.RoiWidth + decX - 1) / decX;
int frameRows = (frameDesc.RoiWidth + decY - 1) / decY;
int nPixels = frameRows * frameCols;
setDataFormat(transfer.dataFormat, m_elts);
// BAYER(or MONO) format
// Set up an array of four pointers to doubles, ordered according to the
// data format. That is, we set up the pointers such that the first one
// points to the block of histogram data for RED if we are in RGGB format,
// BLUE if we are in BGGR format, etc.
double[] pcounts = new double[4];
for (int i = (int)formats.BAYER_FIRST_CHANNEL; i <= (int)formats.BAYER_LAST_CHANNEL; i++)
{
// std::fill(pDlg->m_elts[i].data.begin(), pDlg->m_elts[i].data.end(), 0.0);
// std::pair<int, int> offsetYX = GetChannelOffset(i - BAYER_FIRST_CHANNEL, uDataFormat);
Tuple <int, int> offsetYX = GetChannelOffset(i - (int)formats.BAYER_FIRST_CHANNEL, transfer.dataFormat);
// pcounts[2 * offsetYX.first + offsetYX.second] = &pDlg->m_elts[i].data[0];
pcounts[2 * offsetYX.Item1 + offsetYX.Item2] = m_elts[i].data[0];
//}
}
GetCountsfromFrame(bits, frameCols, frameRows, counts);
UpdateBayersTotals(m_elts, counts);
CreateGRBGarray(transfer.dataFormat, counts, countsGRBG);
UpdateBayerRGBTotals(m_elts, countsGRBG);
// Console.WriteLine("Elments calc");
return(m_elts);
}
