public bool IsEnter(Point point)
{
var points = ReferenceCreator.GetPoints(Reference);
var targetPoint = points.Last();
var oppositePoint = points[2];
if (targetPoint.X == oppositePoint.X && targetPoint.Y == oppositePoint.Y)
{
throw new Exception("Arrow can be only vertical or horizontal");
}
var center = new Point()
{
X = (targetPoint.X + oppositePoint.X) / 2,
Y = (targetPoint.Y + oppositePoint.Y) / 2
};
var delta = center - point;
if (Math.Abs(delta.X) <= ReferenceCreator.ArrowLength / 2 &&
Math.Abs(delta.Y) <= ReferenceCreator.ArrowLength / 2)
{
return(true);
}
return(false);
}
public PathGeometry Create(ICanvasElement element)
{
var reference = (ReferenceCanvas)element;
var arrowGeometry = new PathGeometry();
IList <Point> points = ReferenceCreator.GetPoints(element);
foreach (var figure in _ArrowCreate(reference.View.type, points[2], points[3]))
{
arrowGeometry.Figures.Add(figure);
}
return(arrowGeometry);
}