LIBMAS/Annotation/Measure/MeasureThreePointArc.cs

using PaintDotNet.Annotation.Enum;
using PaintDotNet.Base.SettingModel;

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Globalization;
using System.Windows.Forms;
using PaintDotNet.Base.CommTool;
using PaintDotNet.Annotation.Measure;
using System.Linq;

namespace PaintDotNet.Annotation.Measure
{
    using PointList = List<PointF>;

    /// <summary>
    /// 测量->角度->三点弧
    /// </summary>
    public class MeasureThreePointArc : MeasureDrawObject
    {
        public PointList pointArray;

        /// <summary>
        ///  Graphic objects for hit test
        /// </summary>
        private GraphicsPath areaPath = null;
        private Pen areaPen = null;
        private Region areaRegion = null;
        /// <summary>
        /// 圆心横坐标
        /// </summary>
        double x0;
        /// <summary>
        /// 圆心纵坐标
        /// </summary>
        double y0;
        /// <summary>
        /// 半径
        /// </summary>
        double radius = 0;
        /// <summary>
        /// 弧长
        /// </summary>
        double length = 0;
        /// <summary>
        /// 面积
        /// </summary>
        double area = 0;
        /// <summary>
        /// 角度
        /// </summary>
        double angle = 0;
        /// <summary>
        /// 测量信息矩形定义
        /// </summary>
        private RectangleF rectangleF1 = new RectangleF();
        private RectangleF rectangleF2 = new RectangleF();
        private RectangleF rectangleF3 = new RectangleF();
        private RectangleF rectangleF4 = new RectangleF();
        private RectangleF rectangleF5 = new RectangleF();
        private RectangleF rectangleF6 = new RectangleF();
        private RectangleF rectangleF7 = new RectangleF();
        private RectangleF rectangleF8 = new RectangleF();
        private RectangleF rectangleF9 = new RectangleF();
        private RectangleF rectangleF10 = new RectangleF();
        private RectangleF rectangleF11 = new RectangleF();
        private RectangleF rectangleF12 = new RectangleF();
        private RectangleF rectangleF13 = new RectangleF();
        private RectangleF rectangleF14 = new RectangleF();
        /// <summary>
        /// 文本上用于拖动的点
        /// </summary>
        private Point pointL = new Point();
        /// <summary>
        /// 绘制限制(第一次绘制时)
        /// </summary>
        public bool pointChange = true;
        /// <summary>
        /// 区分移动文本
        /// </summary>
        private int moveKb;
        /// <summary>
        /// 绘制限制(从配置文件加载)
        /// </summary>
        public bool configurationFile = false;
        /// <summary>
        /// 绘制限制(更改属性时)
        /// </summary>
        private bool SavePointChange;
        /// <summary>
        /// 绘制属性
        /// </summary>
        private string[] drawingPropertiesList;
        /// <summary>
        /// 绘制属性(克隆)
        /// </summary>
        private string[] drawingPropertiesListClone;
        /// <summary>
        /// 旋转角度
        /// </summary>
        private double angleClass;
        /// <summary>
        /// 限制绘制(绘制中)
        /// </summary>
        public bool mouseUpPointChange = false;
        /// <summary>
        /// 测量样式信息model
        /// </summary>
        private MeasureStyleModel.MeasureThreePointArc measureStyleModel;

        public MeasureStyleModel.MeasureThreePointArc MeasureStyleModel
        {
            set
            {
                this.measureStyleModel = value;
            }
        }

        public MeasureThreePointArc(ISurfaceBox surfaceBox, int x1, int y1, bool clone) : base(surfaceBox)
        {
            this.objectType = DrawClass.Measure;
            this.drawToolType = DrawToolType.MeasureThreePointArc;

            measureStyleModel = surfaceBox.GetMeasureStyleModel().measureThreePointArc;
            pointArray = new PointList();
            startPoint.X = x1;
            startPoint.Y = y1;
            if (clone)
                pointArray.Add(new Point(x1, y1));
            this.measurementUnit = (MeasurementUnit)System.Enum.Parse(typeof(MeasurementUnit), surfaceBox.GetPxPerUnit()[0]);
            this.unitString = surfaceBox.GetPxPerUnit()[1];
            this.unit = surfaceBox.GetPxPerUnit()[2];
            surfaceBox.getMeasureInfo().TryGetValue(measurementUnit, out unitLength);
            Initialize();
        }

        public MeasureThreePointArc(ISurfaceBox surfaceBox, List<PointF> points, ParentStyleModel parentStyleModel, Object content) : base()
        {
            this.objectType = DrawClass.Measure;
            this.drawToolType = DrawToolType.MeasureThreePointArc;
            this.ISurfaceBox = surfaceBox;
            measureStyleModel = (MeasureStyleModel.MeasureThreePointArc)parentStyleModel;
            pointArray = DrawRulerHelper.DeepCopyListByReflect(points);
            startPoint = points[0];
            this.measurementUnit = (MeasurementUnit)System.Enum.Parse(typeof(MeasurementUnit), surfaceBox.GetPxPerUnit()[0]);
            this.unitString = surfaceBox.GetPxPerUnit()[1];
            this.unit = surfaceBox.GetPxPerUnit()[2];
            surfaceBox.getMeasureInfo().TryGetValue(measurementUnit, out unitLength);
            this.configurationFile = true;
        }

        /// <summary>
        /// Clone this instance
        /// </summary>
        public override DrawObject Clone()
        {
            MeasureThreePointArc drawPolygon = new MeasureThreePointArc(ISurfaceBox, (int)pointArray[0].X, (int)pointArray[0].Y, false);
            drawPolygon.ISurfaceBox = ISurfaceBox;
            foreach (PointF p in this.pointArray)
            {
                drawPolygon.pointArray.Add(p);
            }
            if (drawingPropertiesList != null)
                drawPolygon.drawingPropertiesListClone = drawingPropertiesList;
            FillDrawObjectFields(drawPolygon);
            return drawPolygon;
        }

        public override DrawObject Clone(ISurfaceBox surfaceBox)
        {
            MeasureThreePointArc drawPolygon = new MeasureThreePointArc(surfaceBox, this.GetPoints(), this.measureStyleModel, null);
            if (drawingPropertiesList != null)
                drawPolygon.drawingPropertiesListClone = drawingPropertiesList;
            FillDrawObjectFields(drawPolygon);
            return drawPolygon;
        }

        /// <summary>
        /// 测量属性
        /// </summary>
        /// <returns></returns>
        public override Dictionary<System.Enum, object> GetData()
        {
            if (data.ContainsKey(MeasureAttributes.MeasureMethod))
                data[MeasureAttributes.MeasureMethod] = PdnResources.GetString("Menu.MeasureAction.AngleMeasurement.Text");
            else
                data.Add(MeasureAttributes.MeasureMethod, PdnResources.GetString("Menu.MeasureAction.AngleMeasurement.Text"));

            //if (data.ContainsKey(MeasureAttributes.MeasureUnitCN))
            //    data[MeasureAttributes.MeasureUnitCN] = this.unitString;
            //else
            //    data.Add(MeasureAttributes.MeasureUnitCN, this.unitString);

            //if (data.ContainsKey(MeasureAttributes.MeasureUnitEN))
            //    data[MeasureAttributes.MeasureUnitEN] = this.unit;
            //else
            //    data.Add(MeasureAttributes.MeasureUnitEN, this.unit);

            if (measureStyleModel.isAngle)
            {
                if (data.ContainsKey(MeasureAttributes.MeasureUnitCN))
                    data[MeasureAttributes.MeasureUnitCN] = "密位";
                else
                    data.Add(MeasureAttributes.MeasureUnitCN, "密位");
            }
            else
            {
                if (data.ContainsKey(MeasureAttributes.MeasureUnitCN))
                    data[MeasureAttributes.MeasureUnitCN] = "度";
                else
                    data.Add(MeasureAttributes.MeasureUnitCN, "度");
            }

            if (measureStyleModel.isAngle)
            {
                if (data.ContainsKey(MeasureAttributes.MeasureUnitEN))
                    data[MeasureAttributes.MeasureUnitEN] = this.unitMil;
                else
                    data.Add(MeasureAttributes.MeasureUnitEN, this.unitMil);
            }
            else
            {
                if (data.ContainsKey(MeasureAttributes.MeasureUnitEN))
                    data[MeasureAttributes.MeasureUnitEN] = this.unitAngle;
                else
                    data.Add(MeasureAttributes.MeasureUnitEN, this.unitAngle);
            }

            if (data.ContainsKey(MeasureAttributes.PixelArea))
                data[MeasureAttributes.PixelArea] = Math.Round(this.area, decimalPlaces);
            else
                data.Add(MeasureAttributes.PixelArea, Math.Round(this.area, decimalPlaces));

            string s = Math.Round(this.area * unitLength, decimalPlaces).ToString();
            if (s.IndexOf(".") == -1)
            {
                for (int i = 0; i < decimalPlaces; i++)
                {
                    if (i == 0)
                        s += ".";
                    s += "0";
                }
            }
            else
            {
                int a = s.Length - s.IndexOf(".") - 1;
                if (a < decimalPlaces)
                {
                    for (int i = 0; i < decimalPlaces - a; i++)
                    {
                        s += "0";
                    }
                }
            }
            if (data.ContainsKey(MeasureAttributes.PhysicalArea))
                data[MeasureAttributes.PhysicalArea] = s;
            else
                data.Add(MeasureAttributes.PhysicalArea, s);

            if (data.ContainsKey(MeasureAttributes.PixelCenterX))
                data[MeasureAttributes.PixelCenterX] = Math.Round(this.x0, decimalPlaces);
            else
                data.Add(MeasureAttributes.PixelCenterX, Math.Round(this.x0, decimalPlaces));

            if (data.ContainsKey(MeasureAttributes.PixelCenterY))
                data[MeasureAttributes.PixelCenterY] = Math.Round(this.y0, decimalPlaces);
            else
                data.Add(MeasureAttributes.PixelCenterY, Math.Round(this.y0, decimalPlaces));

            if (data.ContainsKey(MeasureAttributes.PhysicalCenterX))
                data[MeasureAttributes.PhysicalCenterX] = Math.Round(this.x0 * unitLength, decimalPlaces);
            else
                data.Add(MeasureAttributes.PhysicalCenterX, Math.Round(this.x0 * unitLength, decimalPlaces));

            if (data.ContainsKey(MeasureAttributes.PhysicalCenterY))
                data[MeasureAttributes.PhysicalCenterY] = Math.Round(this.y0 * unitLength, decimalPlaces);
            else
                data.Add(MeasureAttributes.PhysicalCenterY, Math.Round(this.y0 * unitLength, decimalPlaces));

            if (data.ContainsKey(MeasureAttributes.PixelRadius))
                data[MeasureAttributes.PixelRadius] = Math.Round(this.radius, decimalPlaces);
            else
                data.Add(MeasureAttributes.PixelRadius, Math.Round(this.radius, decimalPlaces));

             s = Math.Round(this.radius * unitLength, decimalPlaces).ToString();
            if (s.IndexOf(".") == -1)
            {
                for (int i = 0; i < decimalPlaces; i++)
                {
                    if (i == 0)
                        s += ".";
                    s += "0";
                }
            }
            else
            {
                int a = s.Length - s.IndexOf(".") - 1;
                if (a < decimalPlaces)
                {
                    for (int i = 0; i < decimalPlaces - a; i++)
                    {
                        s += "0";
                    }
                }
            }
            if (data.ContainsKey(MeasureAttributes.PhysicalRadius))
                data[MeasureAttributes.PhysicalRadius] = s;
            else
                data.Add(MeasureAttributes.PhysicalRadius, s);

            if (this.measureStyleModel.isAngle)
            {
                if (data.ContainsKey(MeasureAttributes.Angle))
                    data[MeasureAttributes.Angle] = Math.Round((this.angle * 6000) / 360, decimalPlaces);
                else
                    data.Add(MeasureAttributes.Angle, Math.Round((this.angle * 6000) / 360, decimalPlaces));
            }
            else {
                if (data.ContainsKey(MeasureAttributes.Angle))
                    data[MeasureAttributes.Angle] = Math.Round(this.angle, decimalPlaces);
                else
                    data.Add(MeasureAttributes.Angle, Math.Round(this.angle, decimalPlaces));
            }
          
            if (data.ContainsKey(MeasureAttributes.PixelArcLength))
                data[MeasureAttributes.PixelArcLength] = Math.Round(this.length, decimalPlaces);
            else
                data.Add(MeasureAttributes.PixelArcLength, Math.Round(this.length, decimalPlaces));

             s = Math.Round(this.length * unitLength, decimalPlaces).ToString();
            if (s.IndexOf(".") == -1)
            {
                for (int i = 0; i < decimalPlaces; i++)
                {
                    if (i == 0)
                        s += ".";
                    s += "0";
                }
            }
            else
            {
                int a = s.Length - s.IndexOf(".") - 1;
                if (a < decimalPlaces)
                {
                    for (int i = 0; i < decimalPlaces - a; i++)
                    {
                        s += "0";
                    }
                }
            }
            if (data.ContainsKey(MeasureAttributes.PhysicalArcLength))
                data[MeasureAttributes.PhysicalArcLength] = s;
            else
                data.Add(MeasureAttributes.PhysicalArcLength, s);

            return data;
        }
        
        public override void Draw(Graphics g)
        {
            drawingProperties.TryGetValue(this.drawToolType, out drawingPropertiesList);
            pointChangeObject.TryGetValue(this.drawToolType, out SavePointChange);
            Font textfont = new Font(measureStyleModel.font, measureStyleModel.fontSize);
            Brush textbrush = new SolidBrush(Color.FromArgb(measureStyleModel.textColor));
            g.SmoothingMode = SmoothingMode.AntiAlias;
            Color color = Color.FromArgb(this.measureStyleModel.lineColor);
            Pen pen = new Pen(color, this.measureStyleModel.lineWidth);
            pen.DashStyle = (DashStyle)this.measureStyleModel.lineStyle;
            Matrix mtxSave = g.Transform;
            Matrix matrix = g.Transform;
            if (HandleCount - 1 == 2)
            {
                g.DrawLine(pen, pointArray[0], pointArray[1]);
            }
                if (HandleCount - 1 == 3)
            {
                if (drawingPropertiesList == null)
                {
                    drawingPropertiesList = drawingPropertiesListClone;
                    this.configurationFile = true;
                }
                SizeF sizeF = new SizeF();
               
                double a = pointArray[0].X - pointArray[1].X;
                double b = pointArray[0].Y - pointArray[1].Y;
                double c = pointArray[0].X - pointArray[2].X;
                double d = pointArray[0].Y - pointArray[2].Y;
                double e = ((pointArray[0].X * pointArray[0].X - pointArray[1].X * pointArray[1].X) 
                    + (pointArray[0].Y * pointArray[0].Y - pointArray[1].Y * pointArray[1].Y)) / 2.0;
                double f = ((pointArray[0].X * pointArray[0].X - pointArray[2].X * pointArray[2].X) 
                    + (pointArray[0].Y * pointArray[0].Y - pointArray[2].Y * pointArray[2].Y)) / 2.0;
                double det = b * c - a * d; 

                if (Math.Abs(det) > 0.001)
                {
                    //x0,y0为计算得到的原点
                    x0 = -(d * e - b * f) / det;
                    y0 = -(a * f - c * e) / det;
                    g.DrawLine(pen, new Point((int)x0, (int)y0), pointArray[0]);
                    g.DrawLine(pen, new Point((int)x0, (int)y0), pointArray[2]);

                    radius = Math.Sqrt((pointArray[0].X - x0)*(pointArray[0].X - x0)+(pointArray[0].Y - y0)*(pointArray[0].Y - y0));
                    double angle1;
                    double angle2;
                    double angle3;
                    double sinValue1;
                    double cosValue1;
                    double sinValue2;
                    double cosValue2;
                    double sinValue3;
                    double cosValue3;

                    sinValue1 = (pointArray[0].Y - y0) / radius;cosValue1 = (pointArray[0].X - x0) / radius ;
                    if (cosValue1 >= 0.99999) 
                        cosValue1 = 0.99999;
                    if (cosValue1 <= -0.99999) 
                        cosValue1 = -0.99999;

                    angle1 = Math.Acos(cosValue1);angle1 = angle1 / 3.14 * 180;
                    if (sinValue1 < -0.05) 
                        angle1 = 360 - angle1;

                    sinValue2 = (pointArray[1].Y - y0) / radius;cosValue2 = (pointArray[1].X - x0) / radius;
                    if (cosValue2 >= 0.99999) 
                        cosValue2 = 0.99999;
                    if (cosValue2 <= -0.99999) 
                        cosValue2 = -0.99999;
                    angle2 = Math.Acos(cosValue2);

                    angle2 = angle2 / 3.14 * 180;
                    if (sinValue2 < -0.05) 
                        angle2 = 360 - angle2; 

                    sinValue3 = (pointArray[2].Y - y0) / radius;cosValue3 = (pointArray[2].X - x0) / radius;
                    if (cosValue3 >= 0.99999) 
                        cosValue3 = 0.99999;
                    if (cosValue3 <= -0.99999) 
                        cosValue3 = -0.99999;

                    angle3 = Math.Acos(cosValue3);angle3 = angle3 / 3.14 * 180;
                    if (sinValue3 < -0.05) 
                        angle3 = 360 - angle3 ;

                    bool PosDown = false;
                    double Delta13;

                    if (angle1 < angle3)
                    {
                        Delta13 = angle3 - angle1;
                    }
                    else 
                        Delta13 = angle3 - angle1 + 360;
                    double Delta12;
                    if (angle1 < angle2)
                    {
                        Delta12 = angle2 - angle1;
                    }
                    else 
                        Delta12 = angle2 - angle1 + 360;
                    if (Delta13 > Delta12)
                        PosDown = true;
                    else 
                        PosDown = false;
                    if (PosDown)
                    {
                        if (angle3 > angle1)
                        {
                            g.DrawArc(pen, (int)(x0 - radius), (int)(y0 - radius),
                               (int)(2 * radius), (int)(2 * radius), (int)(angle1), (int)(angle3 - angle1));
                            this.area = ((angle3 - angle1) * Math.PI * radius * radius) / 360;
                            this.length = ((angle3 - angle1) * Math.PI * 2 * radius) / 360;
                            this.angle = angle3 - angle1;
                        }
                        else
                        {
                            g.DrawArc(pen, (int)(x0 - radius), (int)(y0 - radius),
                               (int)(2 * radius), (int)(2 * radius), (int)(angle1), (int)(angle3 - angle1 + 360));
                            this.area = ((angle3 - angle1 + 360) * Math.PI * radius * radius) / 360;
                            this.length = ((angle3 - angle1 + 360) * Math.PI * 2 * radius) / 360;
                            this.angle = angle3 - angle1 + 360;
                        }   
                    }
                    else
                    {
                        if (angle1 > angle3)
                        {
                            g.DrawArc(pen, (int)(x0 - radius), (int)(y0 - radius),
                                                         (int)(2 * radius), (int)(2 * radius), (int)(angle3), (int)(angle1 - angle3));
                            this.area = ((angle1 - angle3) * Math.PI * radius * radius) / 360;
                            this.length = ((angle1 - angle3) * Math.PI * 2 * radius) / 360;
                            this.angle = angle1 - angle3;
                        }
                        else
                        {
                            g.DrawArc(pen, (int)(x0 - radius), (int)(y0 - radius),
                                                        (int)(2 * radius), (int)(2 * radius), (int)(angle3), (int)(angle1 - angle3 + 360));
                            this.area = ((angle1 - angle3 + 360) * Math.PI * radius * radius) / 360;
                            this.length = ((angle1 - angle3 + 360) * Math.PI * 2 * radius) / 360;
                            this.angle = angle1 - angle3 + 360;
                        }
                    }
                }
                //计算需要旋转的角度
                this.angleClass = BasicCalculationHelper.Angle(pointArray[0], new PointF((float)x0, (float)y0), new PointF(pointArray[0].X, (float)y0));
                // 画布旋转
                if (this.angleClass < 90)
                {
                    matrix.RotateAt((float)this.angleClass, new PointF((float)x0, (float)y0));
                    g.Transform = matrix;
                }
                else
                {
                    this.angleClass = BasicCalculationHelper.Angle(new PointF((float)x0, (float)y0), pointArray[0], new PointF((float)x0, pointArray[0].Y));
                    matrix.RotateAt((float)this.angleClass, new PointF((float)x0, (float)y0));
                    g.Transform = matrix;
                }
                // 是否绘制
                if (this.pointChange || this.SavePointChange || this.mouseUpPointChange || this.mouseUpAttribute)
                {
                    // 属性文本的间隔定义
                    int offsetValue = measureStyleModel.fontSize + measureStyleModel.fontSize / 2;
                    int offsetValue1 = measureStyleModel.lineWidth * 2 / 3 + measureStyleModel.fontSize;
                    int offset = offsetValue1;
                    this.pointL = new Point((int)pointArray[0].X, (int)pointArray[0].Y);
                    if (drawingPropertiesList != null)
                    {
                        // 物理圆心Y
                        if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalCenterY.ToString()))
                        {
                            sizeF = g.MeasureString("" + Math.Round(this.y0 * unitLength, decimalPlaces), textfont);
                            rectangleF9.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 物理圆心X
                        if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalCenterX.ToString()))
                        {
                            sizeF = g.MeasureString("" + Math.Round(this.x0 * unitLength, decimalPlaces), textfont);
                            rectangleF8.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 像素圆心Y
                        if (drawingPropertiesList.Contains(MeasureAttributes.PixelCenterY.ToString()))
                        {
                            sizeF = g.MeasureString("" + Math.Round(this.y0, decimalPlaces), textfont);
                            rectangleF7.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 像素圆心X
                        if (drawingPropertiesList.Contains(MeasureAttributes.PixelCenterX.ToString()))
                        {
                            sizeF = g.MeasureString("" + Math.Round(this.x0, decimalPlaces), textfont);
                            rectangleF6.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 测量单位(英文)
                        if (drawingPropertiesList.Contains(MeasureAttributes.MeasureUnitEN.ToString()))
                        {
                            sizeF = g.MeasureString("" + this.unit, textfont);
                            rectangleF3.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 测量单位(中文)
                        if (drawingPropertiesList.Contains(MeasureAttributes.MeasureUnitCN.ToString()))
                        {
                            sizeF = g.MeasureString("" + this.unitString, textfont);
                            rectangleF2.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 测量方式
                        if (drawingPropertiesList.Contains(MeasureAttributes.MeasureMethod.ToString()))
                        {
                            sizeF = g.MeasureString("" + PdnResources.GetString("Menu.MeasureAction.AngleMeasurement.Text"), textfont);
                            rectangleF1.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 物理面积
                        if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalArea.ToString()))
                        {
                            string s = Math.Round(this.area * unitLength, decimalPlaces).ToString();
                            if (s.IndexOf(".") == -1)
                            {
                                for (int i = 0; i < decimalPlaces; i++)
                                {
                                    if (i == 0)
                                        s += ".";
                                    s += "0";
                                }
                            }
                            else
                            {
                                int dic = s.Length - s.IndexOf(".") - 1;
                                if (dic < decimalPlaces)
                                {
                                    for (int i = 0; i < decimalPlaces - dic; i++)
                                    {
                                        s += "0";
                                    }
                                }
                            }
                            sizeF = g.MeasureString(s + this.unit + "²", textfont);
                            rectangleF5.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 像素面积
                        if (drawingPropertiesList.Contains(MeasureAttributes.PixelArea.ToString()))
                        {
                            sizeF = g.MeasureString("" + Math.Round(this.area, decimalPlaces) + "px²", textfont);
                            rectangleF4.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 物理弧长
                        if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalArcLength.ToString()))
                        {
                            string s = Math.Round(this.length * unitLength, decimalPlaces).ToString();
                            if (s.IndexOf(".") == -1)
                            {
                                for (int i = 0; i < decimalPlaces; i++)
                                {
                                    if (i == 0)
                                        s += ".";
                                    s += "0";
                                }
                            }
                            else
                            {
                                int dic = s.Length - s.IndexOf(".") - 1;
                                if (dic < decimalPlaces)
                                {
                                    for (int i = 0; i < decimalPlaces - dic; i++)
                                    {
                                        s += "0";
                                    }
                                }
                            }
                            sizeF = g.MeasureString(s + this.unit, textfont);
                            rectangleF14.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 像素弧长
                        if (drawingPropertiesList.Contains(MeasureAttributes.PixelArcLength.ToString()))
                        {
                            sizeF = g.MeasureString("" + Math.Round(this.length, decimalPlaces) + "px", textfont);
                            rectangleF13.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 物理半径
                        if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalRadius.ToString()))
                        {
                            string s = Math.Round(this.radius * unitLength, decimalPlaces).ToString();
                            if (s.IndexOf(".") == -1)
                            {
                                for (int i = 0; i < decimalPlaces; i++)
                                {
                                    if (i == 0)
                                        s += ".";
                                    s += "0";
                                }
                            }
                            else
                            {
                                int dic = s.Length - s.IndexOf(".") - 1;
                                if (dic < decimalPlaces)
                                {
                                    for (int i = 0; i < decimalPlaces - dic; i++)
                                    {
                                        s += "0";
                                    }
                                }
                            }
                            sizeF = g.MeasureString(s + this.unit, textfont);
                            rectangleF11.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 像素半径
                        if (drawingPropertiesList.Contains(MeasureAttributes.PixelRadius.ToString()))
                        {
                            sizeF = g.MeasureString("" + Math.Round(this.radius, decimalPlaces) + "px", textfont);
                            rectangleF10.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                        // 角度
                        if (drawingPropertiesList.Contains(MeasureAttributes.Angle.ToString()))
                        {
                            double thisNum;
                            if (measureStyleModel.isAngle)
                            {
                                thisNum = (this.angle * 6000) / 360;
                                sizeF = g.MeasureString("" + Math.Round(thisNum, decimalPlaces) + unitMil, textfont);
                            }
                            else
                            {
                                thisNum = this.angle;
                                sizeF = g.MeasureString("" + Math.Round(thisNum, decimalPlaces) + unitAngle, textfont);
                            }
                            rectangleF12.Location = new Point((int)x0 + offsetValue1 - (int)sizeF.Width / 2, (int)y0 - offset);
                            offset += offsetValue;
                        }
                    }
                }
                if (drawingPropertiesList != null)
                {
                    // 测量方式
                    if (drawingPropertiesList.Contains(MeasureAttributes.MeasureMethod.ToString()))
                    {
                        sizeF = g.MeasureString("" + PdnResources.GetString("Menu.MeasureAction.AngleMeasurement.Text"), textfont);
                        rectangleF1.Width = sizeF.Width;
                        rectangleF1.Height = sizeF.Height;
                        g.DrawString("" + PdnResources.GetString("Menu.MeasureAction.AngleMeasurement.Text"), textfont, textbrush, rectangleF1);
                    }
                    else
                    {
                        rectangleF1 = new RectangleF();
                    }
                    // 测量单位(中文)
                    if (drawingPropertiesList.Contains(MeasureAttributes.MeasureUnitCN.ToString()))
                    {
                        sizeF = g.MeasureString("" + this.unitString, textfont);
                        rectangleF2.Width = sizeF.Width;
                        rectangleF2.Height = sizeF.Height;
                        g.DrawString("" + this.unitString, textfont, textbrush, rectangleF2);
                    }
                    else
                    {
                        rectangleF2 = new RectangleF();
                    }
                    // 测量单位(英文)
                    if (drawingPropertiesList.Contains(MeasureAttributes.MeasureUnitEN.ToString()))
                    {
                        sizeF = g.MeasureString("" + this.unit, textfont);
                        rectangleF3.Width = sizeF.Width;
                        rectangleF3.Height = sizeF.Height;
                        g.DrawString("" + this.unit, textfont, textbrush, rectangleF3);
                    }
                    else
                    {
                        rectangleF3 = new RectangleF();
                    }
                    // 像素面积
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelArea.ToString()))
                    {
                        sizeF = g.MeasureString("" + Math.Round(this.area, decimalPlaces) + "px²", textfont);
                        rectangleF4.Width = sizeF.Width;
                        rectangleF4.Height = sizeF.Height;
                        g.DrawString("" + Math.Round(this.area, decimalPlaces) + "px²", textfont, textbrush, rectangleF4);
                    }
                    else
                    {
                        rectangleF4 = new RectangleF();
                    }
                    // 物理面积
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalArea.ToString()))
                    {
                        string s = Math.Round(this.area * unitLength, decimalPlaces).ToString();
                        if (s.IndexOf(".") == -1)
                        {
                            for (int i = 0; i < decimalPlaces; i++)
                            {
                                if (i == 0)
                                    s += ".";
                                s += "0";
                            }
                        }
                        else
                        {
                            int dic = s.Length - s.IndexOf(".") - 1;
                            if (dic < decimalPlaces)
                            {
                                for (int i = 0; i < decimalPlaces - dic; i++)
                                {
                                    s += "0";
                                }
                            }
                        }
                        sizeF = g.MeasureString(s + this.unit + "²", textfont);
                        rectangleF5.Width = sizeF.Width;
                        rectangleF5.Height = sizeF.Height;
                        g.DrawString(s + this.unit + "²", textfont, textbrush, rectangleF5);
                    }
                    else
                    {
                        rectangleF5 = new RectangleF();
                    }
                    // 像素圆心X
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelCenterX.ToString()))
                    {
                        sizeF = g.MeasureString("" + Math.Round(this.x0, decimalPlaces), textfont);
                        rectangleF6.Width = sizeF.Width;
                        rectangleF6.Height = sizeF.Height;
                        g.DrawString("" + Math.Round(this.x0, decimalPlaces), textfont, textbrush, rectangleF6);
                    }
                    else
                    {
                        rectangleF6 = new RectangleF();
                    }
                    // 像素圆心Y
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelCenterY.ToString()))
                    {
                        sizeF = g.MeasureString("" + Math.Round(this.y0, decimalPlaces), textfont);
                        rectangleF7.Width = sizeF.Width;
                        rectangleF7.Height = sizeF.Height;
                        g.DrawString("" + Math.Round(this.y0, decimalPlaces), textfont, textbrush, rectangleF7);
                    }
                    else
                    {
                        rectangleF7 = new RectangleF();
                    }
                    // 物理圆心X
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalCenterX.ToString()))
                    {
                        sizeF = g.MeasureString("" + Math.Round(this.x0 * unitLength, decimalPlaces), textfont);
                        rectangleF8.Width = sizeF.Width;
                        rectangleF8.Height = sizeF.Height;
                        g.DrawString("" + Math.Round(this.x0 * unitLength, decimalPlaces), textfont, textbrush, rectangleF8);
                    }
                    else
                    {
                        rectangleF8 = new RectangleF();
                    }
                    // 物理圆心Y
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalCenterY.ToString()))
                    {
                        sizeF = g.MeasureString("" + Math.Round(this.y0 * unitLength, decimalPlaces), textfont);
                        rectangleF9.Width = sizeF.Width;
                        rectangleF9.Height = sizeF.Height;
                        g.DrawString("" + Math.Round(this.y0 * unitLength, decimalPlaces), textfont, textbrush, rectangleF9);
                    }
                    else
                    {
                        rectangleF9 = new RectangleF();
                    }
                    // 像素半径
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelRadius.ToString()))
                    {
                        sizeF = g.MeasureString("" + Math.Round(this.radius, decimalPlaces) + "px", textfont);
                        rectangleF10.Width = sizeF.Width;
                        rectangleF10.Height = sizeF.Height;
                        g.DrawString("" + Math.Round(this.radius, decimalPlaces) + "px", textfont, textbrush, rectangleF10);
                    }
                    else
                    {
                        rectangleF10 = new RectangleF();
                    }
                    // 物理半径
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalRadius.ToString()))
                    {
                        string s = Math.Round(this.radius * unitLength, decimalPlaces).ToString();
                        if (s.IndexOf(".") == -1)
                        {
                            for (int i = 0; i < decimalPlaces; i++)
                            {
                                if (i == 0)
                                    s += ".";
                                s += "0";
                            }
                        }
                        else
                        {
                            int dic = s.Length - s.IndexOf(".") - 1;
                            if (dic < decimalPlaces)
                            {
                                for (int i = 0; i < decimalPlaces - dic; i++)
                                {
                                    s += "0";
                                }
                            }
                        }
                        sizeF = g.MeasureString(s + this.unit, textfont);
                        rectangleF11.Width = sizeF.Width;
                        rectangleF11.Height = sizeF.Height;
                        g.DrawString(s + this.unit, textfont, textbrush, rectangleF11);
                    }
                    else
                    {
                        rectangleF11 = new RectangleF();
                    }
                    // 角度
                    if (drawingPropertiesList.Contains(MeasureAttributes.Angle.ToString()))
                    {
                        double thisNum;
                        if (measureStyleModel.isAngle)
                        {
                            thisNum = (this.angle * 6000) / 360;
                            sizeF = g.MeasureString("" + Math.Round(thisNum, decimalPlaces) + unitMil, textfont);
                        }
                        else
                        {
                            thisNum = this.angle;
                            sizeF = g.MeasureString("" + Math.Round(thisNum, decimalPlaces) + unitAngle, textfont);
                        }
                        rectangleF12.Width = sizeF.Width;
                        rectangleF12.Height = sizeF.Height;

                        if (measureStyleModel.isAngle)
                        {
                            g.DrawString("" + Math.Round(thisNum, decimalPlaces) + unitMil, textfont, textbrush, rectangleF12);
                        }
                        else { 
                            g.DrawString("" + Math.Round(thisNum, decimalPlaces) + unitAngle, textfont, textbrush, rectangleF12);
                        }
                    }
                    else
                    {
                        rectangleF12 = new RectangleF();
                    }
                    // 像素弧长
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelArcLength.ToString()))
                    {
                        sizeF = g.MeasureString("" + Math.Round(this.length, decimalPlaces) + "px", textfont);
                        rectangleF13.Width = sizeF.Width;
                        rectangleF13.Height = sizeF.Height;
                        g.DrawString("" + Math.Round(this.length, decimalPlaces) + "px", textfont, textbrush, rectangleF13);
                    }
                    else
                    {
                        rectangleF13 = new RectangleF();
                    }
                    // 物理弧长
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalArcLength.ToString()))
                    {
                        string s = Math.Round(this.length * unitLength, decimalPlaces).ToString();
                        if (s.IndexOf(".") == -1)
                        {
                            for (int i = 0; i < decimalPlaces; i++)
                            {
                                if (i == 0)
                                    s += ".";
                                s += "0";
                            }
                        }
                        else
                        {
                            int dic = s.Length - s.IndexOf(".") - 1;
                            if (dic < decimalPlaces)
                            {
                                for (int i = 0; i < decimalPlaces - dic; i++)
                                {
                                    s += "0";
                                }
                            }
                        }
                        sizeF = g.MeasureString(s + this.unit, textfont);
                        rectangleF14.Width = sizeF.Width;
                        rectangleF14.Height = sizeF.Height;
                        g.DrawString(s + this.unit, textfont, textbrush, rectangleF14);
                    }
                    else
                    {
                        rectangleF14 = new RectangleF();
                    }
                }
                //还原为原始旋转矩阵
                g.Transform = mtxSave;
            }
            matrix.Dispose();
            pen.Dispose();
            if (this.configurationFile)
                this.pointChange = false;
            this.mouseUpAttribute = false;
            pointChangeObject.Remove(this.drawToolType);
        }
        /// <summary>
        /// 停止绘制时
        /// </summary>
        /// <param name="up"></param>
        public override void MouseUp(bool up)
        {
            mouseUpPointChange = up;
        }
        public void AddPoint(Point point)
        {
            pointArray.Add(point);
        }

        public override int HandleCount
        {
            get
            {
                return pointArray.Count + 1;
            }
        }

        /// <summary>
        /// Get handle pointscroll by 1-based number
        /// </summary>
        /// <param name="handleNumber"></param>
        /// <returns></returns>
        public override PointF GetHandle(int handleNumber)
        {
            if (handleNumber < 1)
                handleNumber = 1;

            if (handleNumber > pointArray.Count && handleNumber != pointArray.Count + 1)
                handleNumber = pointArray.Count;

            if (handleNumber == pointArray.Count + 1)
                return this.pointL;
            else
                return pointArray[handleNumber - 1];
        }

        public override Cursor GetHandleCursor(int handleNumber)
        {
            return handleCursor;
        }

        public override void MoveHandleTo(Point point, int handleNumber)
        {
            if (handleNumber < 1)
                handleNumber = 1;

            if (handleNumber > pointArray.Count && handleNumber != pointArray.Count + 1)
                handleNumber = pointArray.Count;
            if (handleNumber == pointArray.Count + 1)
            {
                point = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                if (this.moveKb == 1)
                    this.rectangleF1.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 2)
                    this.rectangleF2.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 3)
                    this.rectangleF3.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 4)
                    this.rectangleF4.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 5)
                    this.rectangleF5.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 6)
                    this.rectangleF6.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 7)
                    this.rectangleF7.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 8)
                    this.rectangleF8.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 9)
                    this.rectangleF9.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 10)
                    this.rectangleF10.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 11)
                    this.rectangleF11.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 12)
                    this.rectangleF12.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 13)
                    this.rectangleF13.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                else if (this.moveKb == 14)
                    this.rectangleF14.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                this.pointL = point;
            }
            else
            {
                this.mouseUpPointChange = true;
                pointArray[handleNumber - 1] = point;
            }
            this.startPoint = pointArray[0];
            Invalidate();
        }

        public override void Move(int deltaX, int deltaY)
        {
            int n = pointArray.Count;
            PointF point;

            for (int i = 0; i < n; i++)
            {
                point = new PointF(pointArray[i].X + ISurfaceBox.UnscaleScalar(deltaX), pointArray[i].Y + ISurfaceBox.UnscaleScalar(deltaY));

                pointArray[i] = point;
            }
            this.startPoint = pointArray[0];
            int x = ISurfaceBox.UnscaleScalar(deltaX);
            int y = ISurfaceBox.UnscaleScalar(deltaY);
            pointL.X += x;
            pointL.Y += y;
            this.rectangleF1.Offset(x, y);
            this.rectangleF2.Offset(x, y);
            this.rectangleF3.Offset(x, y);
            this.rectangleF4.Offset(x, y);
            this.rectangleF5.Offset(x, y);
            this.rectangleF6.Offset(x, y);
            this.rectangleF7.Offset(x, y);
            this.rectangleF8.Offset(x, y);
            this.rectangleF9.Offset(x, y);
            this.rectangleF10.Offset(x, y);
            this.rectangleF11.Offset(x, y);
            this.rectangleF12.Offset(x, y);
            this.rectangleF13.Offset(x, y);
            this.rectangleF14.Offset(x, y);
            Invalidate();
        }

        /// <summary>
        /// 用于创建一个路径或者是闭合的范围
        /// 用于响应点击选中
        /// 需要咨询用户是仅点击线还是矩形选择
        /// </summary>
        protected virtual void CreateObjects()
        {
            if (AreaPath != null)
                return;

            AreaPath = new GraphicsPath();
            AreaPath.AddRectangle(GetBoundingBox());
            AreaPath.CloseFigure();
            AreaRegion = new Region(AreaPath);
        }

        /// <summary>
        /// Invalidate object.
        /// When object is invalidated, path used for hit test
        /// is released and should be created again.
        /// </summary>
        protected void Invalidate()
        {
            if (AreaPath != null)
            {
                AreaPath.Dispose();
                AreaPath = null;
            }

            if (AreaPen != null)
            {
                AreaPen.Dispose();
                AreaPen = null;
            }

            if (AreaRegion != null)
            {
                AreaRegion.Dispose();
                AreaRegion = null;
            }
        }
        protected GraphicsPath AreaPath
        {
            get
            {
                return areaPath;
            }
            set
            {
                areaPath = value;
            }
        }

        protected Pen AreaPen
        {
            get
            {
                return areaPen;
            }
            set
            {
                areaPen = value;
            }
        }

        protected Region AreaRegion
        {
            get
            {
                return areaRegion;
            }
            set
            {
                areaRegion = value;
            }
        }

        /// <summary>
        /// Draw tracker for selected object
        /// </summary>
        /// <param name="g"></param>
        public override void DrawTracker(Graphics g)
        {
            if (!Selected)
                return;
            SolidBrush brush = new SolidBrush(Color.Black);
            for (int i = 1; i <= HandleCount; i++)
            {
                if (i == HandleCount)
                    brush = new SolidBrush(Color.Transparent);
                g.FillRectangle(brush, GetHandleRectangle(i));
            }
            //g.DrawRectangle(new Pen(Color.White), GetBoundingBox());
            brush.Dispose();

            RectangleF rect = GetBoundingBox();
            //g.DrawRectangle(new Pen(Color.White), rect.X, rect.Y, rect.Width, rect.Height);
        }

        /// <summary>
        /// Hit test.
        /// Return value: -1 - no hit
        ///                0 - hit anywhere
        ///                > 1 - handle number
        /// </summary>
        /// <param name="pointscroll"></param>
        /// <returns></returns>
        public override int HitTest(Point point)
        {
            if (Selected)
            {
                for (int i = 1; i <= HandleCount; i++)
                {
                    if (GetHandleRectangle(i).Contains(point))
                        return i;
                }
                if (GetRectanglePosition(this.rectangleF1, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 1;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF2, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 2;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF3, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 3;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF4, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 4;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF5, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 5;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF6, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 6;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF7, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 7;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF8, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 8;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF9, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 9;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF10, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 10;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF11, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 11;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF12, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 12;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF13, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 13;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF14, point, new PointF((float)this.x0, (float)this.y0), angleClass))
                {
                    this.pointL = SetOffsetAfterRotation(point, new PointF((float)this.x0, (float)this.y0), angleClass);
                    moveKb = 14;
                    return this.pointArray.Count + 1;
                }
            }

            if (PointInObject(point))
                return 0;

            return -1;
        }

        protected override bool PointInObject(Point point)
        {
            CreateObjects();

            return AreaRegion.IsVisible(point);
        }
        public override bool IntersectsWith(Rectangle rectangle)
        {
            CreateObjects();

            return AreaRegion.IsVisible(rectangle);
        }
        public override RectangleF GetBoundingBox()
        {
            RectangleF rectangle;
            float minx = 0, maxx = 0, miny = 0, maxy = 0;
            for (int i = 0; i < pointArray.Count; i++)
            {
                if (i == 0)
                {
                    minx = maxx = pointArray[i].X;
                    miny = maxy = pointArray[i].Y;
                }
                else
                {
                    if (pointArray[i].X > maxx) maxx = pointArray[i].X;
                    if (pointArray[i].X < minx) minx = pointArray[i].X;
                    if (pointArray[i].Y > maxy) maxy = pointArray[i].Y;
                    if (pointArray[i].Y < miny) miny = pointArray[i].Y;
                }
            }
            rectangle = new RectangleF(minx, miny, maxx - minx, maxy - miny);

            return rectangle;
        }

        internal void setNextPoint(Point p)
        {
            AddPoint(p);
        }

        internal void setEndPoint(Point p)
        {
            endPoint = p;
        }
        public override List<PointF> GetPoints()
        {
            return pointArray;
        }

        public override ParentStyleModel GetStyle()
        {
            return measureStyleModel;
        }
    }
}