public void AddStroke(WrittenStroke stroke)
{
// TO-DO: enforce substroke count limit
// Otherwise BuildCharacterDescriptor will overindex
// CharacterDescriptor.MAX_CHARACTER_STROKE_COUNT
// CharacterDescriptor.MAX_CHARACTER_SUB_STROKE_COUNT
strokeList.Add(stroke);
}
/// <summary>
/// Start recognizing a character in a BG thread after strokes have changed.
/// </summary>
private void startNewCharRecog(IEnumerable<WritingPad.Stroke> strokes)
{
// If there are other matchers running, stop them now
lock (runningMatchers)
{
foreach (StrokesMatcher sm in runningMatchers) sm.Stop();
}
// Convert stroke data to HanziLookup's format
WrittenCharacter wc = new WrittenCharacter();
foreach (WritingPad.Stroke stroke in strokes)
{
WrittenStroke ws = new WrittenStroke();
foreach (PointF p in stroke.Points)
{
WrittenPoint wp = new WrittenPoint((int)(p.X), (int)(p.Y));
ws.AddPoint(wp, ref wc.LeftX, ref wc.RightX, ref wc.TopY, ref wc.BottomY);
}
wc.AddStroke(ws);
}
if (wc.StrokeList.Count == 0)
{
// Don't bother doing anything if nothing has been input yet (number of strokes == 0).
ctrlCharPicker.SetItems(null);
return;
}
ThreadPool.QueueUserWorkItem(recognize, wc);
}
