/// <summary>
/// Instantiate a new line figure
/// </summary>
/// <param name="canvas">the associated canvas</param>
/// <param name="start">the starting point</param>
public LineFigure(ICanvas canvas, Point start)
: base(canvas, start, Size.Empty)
{
_startLocator = new Locator.PointLocator(_location);
((IObservable)_startLocator).AddObserver(this);
_endLocator = new Locator.PointLocator(_location);
((IObservable)_endLocator).AddObserver(this);
_handles.Add(new Basic.LocatorHandle(_startLocator, _canvas));
_handles.Add(new Basic.LocatorHandle(_endLocator, _canvas));
}
/// <summary>
/// Add a point to the polygon
/// </summary>
/// <param name="p"></param>
public void AddPoint(Point p)
{
var pl = new Locator.PointLocator(p);
((IObservable)pl).AddObserver(this);
_locators.Add(pl);
_handles.Add(new Basic.LocatorHandle(pl, _canvas));
RecomputeShapeFromBounds();
}
