/// <summary>
/// Analyze a new stroke.
/// </summary>
/// <param name="stroke"></param>
/// <returns>true if the stroke was recognized as belonging to a graph (and so should be excluded from InkAnalyzer)</returns>
public bool newStroke(Stroke stroke)
{
if (strokes.ContainsKey(stroke))
{
// already have it!
return(true);
}
foreach (Graph g in graphs)
{
if (g.containsStroke(stroke) && g.takeStroke(stroke))
{
strokes.Add(stroke, g);
return(true);
}
}
Stroke copy = stroke.Clone();
analyzer.AddStroke(copy);
analyzer.Analyze();
StrokeCollection sc = new StrokeCollection(new Stroke[] { copy });
ContextNodeCollection ctxNodes = analyzer.FindInkLeafNodes(sc);
foreach (ContextNode ctxNode in ctxNodes)
{
if (ctxNode is InkDrawingNode && (ctxNode as InkDrawingNode).GetShapeName() == "Rectangle")
{
Graph g = new XYGraph(this, stroke);
graphs.Add(g);
strokes.Add(stroke, g);
analyzer.RemoveStroke(copy);
return(true);
}
}
analyzer.RemoveStroke(copy);
return(false);
}