} // constructor
public void AddNewCurves(CurvePoint[][] xCurvePoints, double xYShift)
{
if (!Dispatcher.CheckAccess())
{
Action lAction = () => { AddNewCurves(xCurvePoints, xYShift); };
App.Current.Dispatcher.BeginInvoke(lAction);
return;
}
// find the Y axis
LinearAxis lYAxis = null;
foreach (IAxis lAxis in _MainWindow.myChart.Axes)
{
if (lAxis.Orientation != AxisOrientation.Y) continue;
lYAxis = lAxis as LinearAxis;
}
int lCount = xCurvePoints.GetUpperBound(0);
LineSeries[] lLineSeries = new LineSeries[lCount];
for (int x = 0, n = lCount; x < n; x++)
{
LineSeries lLine = new LineSeries();
lLineSeries[x] = lLine;
lLine.DependentRangeAxis = lYAxis;
lLine.Title = "manually added curve";
lLine.SetBinding(LineSeries.ItemsSourceProperty, new Binding());
lLine.IndependentValueBinding = new Binding("Time");
lLine.DependentValueBinding = new Binding("CurveId");
Style lLineStyle = new Style(typeof(Polyline));
//lLineStyle.Setters.Add(new Setter(Polyline.StrokeStartLineCapProperty, PenLineCap.Flat));
//lLineStyle.Setters.Add(new Setter(Polyline.StrokeEndLineCapProperty, PenLineCap.Triangle));
Style lPointStyle = new Style(typeof(DataPoint));
if (xYShift == 0.0)
{
lLineStyle.Setters.Add(new Setter(Polyline.StrokeThicknessProperty, 3.0));
lPointStyle.Setters.Add(new Setter(DataPoint.WidthProperty, 0.0));
lPointStyle.Setters.Add(new Setter(DataPoint.BackgroundProperty, new SolidColorBrush(Colors.LightGreen)));
}
else
{
lLineStyle.Setters.Add(new Setter(Polyline.StrokeThicknessProperty, 1.0));
lPointStyle.Setters.Add(new Setter(DataPoint.WidthProperty, 0.0));
lPointStyle.Setters.Add(new Setter(DataPoint.BackgroundProperty, new SolidColorBrush(Colors.Black)));
}
lLine.PolylineStyle = lLineStyle;
lLine.DataPointStyle = lPointStyle;
xCurvePoints[x][0].CurveId -= xYShift;
xCurvePoints[x][1].CurveId -= xYShift;
lLine.ItemsSource = xCurvePoints[x];
_MainWindow.myChart.Series.Add(lLine);
}
} //
} //
private void DoSomething(int xId, long xWakeUpTimeInTicks, CurvePoint[][] xPoints)
{
// time sensitive stuff first
double lFromTicks = Stopwatch.GetTimestamp();
Thread.Sleep(10);
double lToTicks = Stopwatch.GetTimestamp();
// time insensitive stuff
double lFromMillisecs = (lFromTicks - xWakeUpTimeInTicks) / Stopwatch.Frequency * 1000.0;
double lToMillisecs = (lToTicks - xWakeUpTimeInTicks) / Stopwatch.Frequency * 1000.0;
CurvePoint lFrom = new CurvePoint(xId, lFromMillisecs);
CurvePoint lTo = new CurvePoint(xId, lToMillisecs);
xPoints[xId] = new CurvePoint[] { lFrom, lTo };
} //
private void OnMicroTimer(int xSenderThreadId, long xWakeUpTimeInTicks, long xDelayInTicks)
{
_ViewModel.AddInfoText("OnMicroTimer event raised");
CurvePoint[][] lPoints = new CurvePoint[cNumTasks][];
ParallelLoopResult lResult = Parallel.For(0, cNumTasks, (xInt) => DoSomething(xInt, xWakeUpTimeInTicks, lPoints));
// the first measurement is not precise, so we discard it
if (_Once)
{
_Once = false;
return;
}
double lCallNo = _NumberOfMicroTimerCalls++;
lCallNo /= cNumTriggers;
_ViewModel.AddNewCurves(lPoints, lCallNo);
} //