SHJX_GM/SHJX.Service.WorkFlowEdit/Controls/Ports/RectPort.cs

using System.Windows;

namespace SHJX.Service.WorkFlowEdit
{
    public class RectPort : PortBase
	{
		static RectPort()
		{
			FrameworkElement.DefaultStyleKeyProperty.OverrideMetadata(
				typeof(RectPort), new FrameworkPropertyMetadata(typeof(RectPort)));
		}

		public override Point GetEdgePoint(Point target)
		{
			var rect = new Rect(Center.X - ActualWidth / 2, Center.Y - ActualHeight / 2, ActualWidth, ActualHeight);
			return GeometryHelper.RectLineIntersection(rect, target);
		}

		public override bool IsNear(Point point)
		{
			var rect = new Rect(Center.X - ActualWidth / 2, Center.Y - ActualHeight / 2, ActualWidth, ActualHeight);
			rect.Inflate(Sensitivity, Sensitivity);
			return GeometryHelper.RectContains(rect, point);
		}
	}
}