LIBMAS/Measurement/Tools/LassoSelectTool.cs

using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;

namespace PaintDotNet.Measurement.Tools
{
    public class LassoSelectTool : SelectionTool
    {
        protected override List<PointF> CreateShape(List<Point> inputTracePoints)
        {
            List<PointF> inputTracePointsF = base.CreateShape(inputTracePoints);

            if (this.SelectionMode != CombineMode.Replace &&
                inputTracePointsF.Count > 2 &&
                inputTracePointsF[0] != inputTracePointsF[inputTracePointsF.Count - 1])
            {
                inputTracePointsF.Add(inputTracePointsF[0]);
            }

            return inputTracePointsF;
        }

        protected override void OnActivate()
        {
            SetCursors(
                "Cursors.LassoSelectToolCursor.cur",
                "Cursors.LassoSelectToolCursorMinus.cur",
                "Cursors.LassoSelectToolCursorPlus.cur",
                "Cursors.LassoSelectToolCursorMouseDown.cur");

            base.OnActivate();
        }

        protected override void OnDeactivate()
        {
            base.OnDeactivate();
        }

        public LassoSelectTool(IDocumentWorkspace documentWorkspace)
            : base(documentWorkspace,
                   PdnResources.GetImageResource("Icons.LassoSelectToolIcon.png"),
                   PdnResources.GetString("LassoSelectTool.Name"),
                   PdnResources.GetString("LassoSelectTool.HelpText"),
                   's',
                   ToolBarConfigItems.None)
        {
        }
    }
}