private bool IsLassoSelect(Stroq stroq)
{
if (stroq.OldPolylineCusps().Length <= 4 && stroq.Count > 4)
{
Stroq estroq = stroq;
CuspDetector.CuspSet cs = CuspDetector.FeaturePoints(estroq);
Pt[] first = new Pt[cs.pts.Count / 2];
for (int i = 0; i < first.Length; i++)
{
if (cs.distances[i] > cs.dist / 2)
{
break;
}
else
{
first[i] = cs.pts[i];
}
}
Pt[] second = new Pt[cs.pts.Count - first.Length];
for (int j = 0; j < second.Length; j++)
{
second[j] = cs.pts[first.Length + j];
}
Stroq s1 = new Stroq(first);
Stroq s2 = new Stroq(second);
float d1, d2;
s1.OldNearestPoint(s2[-1], out d1);
s2.OldNearestPoint(s1[0], out d2);
if (Math.Min(d1, d2) / Math.Max(estroq.GetBounds().Width, estroq.GetBounds().Height) < 0.3f)
{
StroqCollection stqs = _mathStroqs.HitTest(estroq, 50);
StroqCollection stqs2 = _mathStroqs.HitTest(estroq.Reverse1(), 50);
if (stqs2.Count > stqs.Count)
{
stqs = stqs2;
}
stqs.Remove(estroq);
StroqCollection stqs3 = new StroqCollection(stqs.Where((Stroq s) => _mrec.Charreco.Classification(_mrec.Sim[s]) != null));
stqs = stqs3;
Recognition rtemp = _mrec.ClassifyOneTemp(estroq);
if (stqs.Count > 0 && (rtemp == null || !rtemp.alts.Contains(new Recognition.Result(Unicode.S.SQUARE_ROOT))))
{
if (rtemp != null)
{
Console.WriteLine("select recognized for " + rtemp.allograph);
}
return(true);
}
else
{
// Generic additional selections would be called here.
return(false);
}
}
}
return(false);
}
private bool LassoSelect(Stroq stroq)
{
if (stroq.OldPolylineCusps().Length <= 4 && stroq.Count > 4)
{
Stroq estroq = stroq;
CuspDetector.CuspSet cs = CuspDetector.FeaturePoints(estroq);
Pt[] first = new Pt[cs.pts.Count / 2];
for (int i = 0; i < first.Length; i++)
{
if (cs.distances[i] > cs.dist / 2)
{
break;
}
else
{
first[i] = cs.pts[i];
}
}
Pt[] second = new Pt[cs.pts.Count - first.Length];
for (int j = 0; j < second.Length; j++)
{
second[j] = cs.pts[first.Length + j];
}
Stroq s1 = new Stroq(first);
Stroq s2 = new Stroq(second);
float d1, d2;
s1.OldNearestPoint(s2[-1], out d1);
s2.OldNearestPoint(s1[0], out d2);
if (Math.Min(d1, d2) / Math.Max(estroq.GetBounds().Width, estroq.GetBounds().Height) < 0.3f)
{
StroqCollection stqs = _mathStroqs.HitTest(estroq, 50);
StroqCollection stqs2 = _mathStroqs.HitTest(estroq.Reverse1(), 50);
if (stqs2.Count > stqs.Count)
{
stqs = stqs2;
}
stqs.Remove(estroq);
StroqCollection stqs3 = new StroqCollection(stqs.Where((Stroq s) => _mrec.Charreco.Classification(_mrec.Sim[s]) != null));
stqs = stqs3;
Recognition rtemp = _mrec.ClassifyOneTemp(estroq);
if (stqs.Count > 0 && (rtemp == null || !rtemp.alts.Contains(new Recognition.Result(Unicode.S.SQUARE_ROOT))))
{
if (rtemp != null)
{
Console.WriteLine("select recognized for " + rtemp.allograph);
}
this.Dispatcher.Invoke((Action)(() =>
{
Deselect();
stroq.BackingStroke.DrawingAttributes.Color = Colors.Purple;
Selected.Contents = new StroqSel(stqs, stroq, (Stroq s) => _mrec.Charreco.Classification(_mrec.Sim[s]),
(Recognition r) => _mrec.Sim[r.strokes], inqCanvas.Stroqs);
StroqSel Sel = (StroqSel)Selected.Contents;
HashSet <Recognition> recogs = new HashSet <Recognition>(Sel.AllStroqs.Select((Stroq s) => _mrec.Charreco.Classification(_mrec.Sim[s]))
.Where((Recognition r) => r != null));
if (recogs.Count != 0)
{
showSidebarAlts(recogs, Sel.AllStroqs);
}
}));
return(true);
}
else
{
// Generic additional selections would be called here.
return(false);
}
}
}
return(false);
}