Metis_xctg/Annotation/BinaryAction/DrawBinaryConnectionLine.cs

using PaintDotNet.Annotation.Enum;
using PaintDotNet.Annotation.Label;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

namespace PaintDotNet.Annotation.Other
{
    /// <summary>
    /// 二值提取 - 交互操作 - 分割 - 直线
    /// </summary>
    public class DrawBinaryConnectionLine : DrawObject
    {
        public DrawBinaryConnectionLine(ISurfaceBox surfaceBox, int x, int y, int x1, int y1) : base()
        {
            this.objectType = DrawClass.Interaction;
            this.drawToolType = DrawToolType.BinaryConnectionLine;

            this.ISurfaceBox = surfaceBox;
            startPoint.X = x;
            startPoint.Y = y;
            endPoint.X = x1;
            endPoint.Y = y1;
            Initialize();
        }

        public override DrawObject Clone()
        {
            return null;
        }

        public override void Draw(Graphics g)
        {
            g.SmoothingMode = SmoothingMode.AntiAlias;
            Pen pen = new Pen(Color.Red, this.ISurfaceBox.GetConnectionWidth());
            pen.DashStyle = DashStyle.Dash;
            g.DrawLine(pen, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
            pen.Dispose();
        }

        public override RectangleF GetBoundingBox()
        {
            return rectangle;
        }

        public override void MoveHandleTo(Point point, int handleNumber)
        {
            if (handleNumber == 1)
                startPoint = point;
            else
                endPoint = point;
        }
    }
}