/// <summary>
///
/// </summary>
/// <param name="path"></param>
/// <param name="stylusShape"></param>
/// <returns></returns>
public bool HitTest(IEnumerable <Point> path, StylusShape stylusShape)
{
// Check the input parameters
if (path == null)
{
throw new System.ArgumentNullException("path");
}
if (stylusShape == null)
{
throw new System.ArgumentNullException("stylusShape");
}
if (IEnumerablePointHelper.GetCount(path) == 0)
{
return(false);
}
ErasingStroke erasingStroke = new ErasingStroke(stylusShape);
erasingStroke.MoveTo(path);
Rect erasingBounds = erasingStroke.Bounds;
if (erasingBounds.IsEmpty)
{
return(false);
}
if (erasingBounds.IntersectsWith(this.GetBounds()))
{
return(erasingStroke.HitTest(StrokeNodeIterator.GetIterator(this, this.DrawingAttributes)));
}
return(false);
}
/// <summary>
/// Issue: what's the return value
/// </summary>
/// <param name="path"></param>
/// <param name="stylusShape"></param>
/// <returns></returns>
public StrokeCollection HitTest(IEnumerable <Point> path, StylusShape stylusShape)
{
// Check the input parameters
if (stylusShape == null)
{
throw new System.ArgumentNullException("stylusShape");
}
if (path == null)
{
throw new System.ArgumentNullException("path");
}
if (IEnumerablePointHelper.GetCount(path) == 0)
{
return(new StrokeCollection());
}
// validate input
ErasingStroke erasingStroke = new ErasingStroke(stylusShape, path);
Rect erasingBounds = erasingStroke.Bounds;
if (erasingBounds.IsEmpty)
{
return(new StrokeCollection());
}
StrokeCollection hits = new StrokeCollection();
foreach (Stroke stroke in this)
{
// samgeo - Presharp issue
// Presharp gives a warning when get methods might deref a null. It's complaining
// here that 'stroke'' could be null, but StrokeCollection never allows nulls to be added
// so this is not possible
#pragma warning disable 1634, 1691
#pragma warning suppress 6506
if (erasingBounds.IntersectsWith(stroke.GetBounds()) &&
erasingStroke.HitTest(StrokeNodeIterator.GetIterator(stroke, stroke.DrawingAttributes)))
{
hits.Add(stroke);
}
#pragma warning restore 1634, 1691
}
return(hits);
}
