public void Update(SensorSnapshot oldSnap, SensorSnapshot newSnap)
{
if (_values == null)
{
_xdim = oldSnap.Xdim;
_ydim = oldSnap.Ydim;
System.Diagnostics.Debug.Assert(oldSnap.Xdim == newSnap.Xdim);
System.Diagnostics.Debug.Assert(oldSnap.Ydim == newSnap.Ydim);
_values = new long[_xdim, _ydim];
}
long marker = DateTime.Now.Ticks;
for (int x = 0; x < _xdim; x++)
{
for (int y = 0; y < _ydim; y++)
{
int delta = oldSnap.SnapshotValues[x, y] - newSnap.SnapshotValues[x, y];
if (delta != 0)
{
_values[x, y] = marker;
}
}
}
}
public override async Task <bool> DoWork(WorkItem triggeredWorkItem)
{
Logger.Info("Generate the snapshot matrix");
Bitmap i = RenderImage.BitmapFromBmpByteArray((byte[])triggeredWorkItem.WorkItemContext);
_thisSnapshot = new SensorSnapshot(SENSOR_HORIZONTAL, SENSOR_VERTICAL);
_thisSnapshot.TakeSnapshot(i);
if (_lastSnapshot != null)
{
_delta.Update(_lastSnapshot, _thisSnapshot);
}
//Do stuff
_lastSnapshot = _thisSnapshot;
_thisSnapshot = null;
return(true);
}