private static IEnumerable <StrokeFit> GetFunctions(TransformedStrokes strokes)
{
if (strokes == null)
{
return(Enumerable.Empty <StrokeFit>());
}
StrokeData strokeData = strokes.GetStrokeData();
if (strokeData.Points.Length <= 3)
{
return(Enumerable.Empty <StrokeFit>());
}
return(FitFunctions.Select(f => f(strokeData)).Where(f => f.IsValid).AsParallel().OrderBy(f => f));
}
public static Task <IEnumerable <StrokeFit> > GetFunctionAsync(TransformedStrokes strokes)
{
return(Task.Run(() => GetFunctions(strokes)));
}