LIBMAS/Annotation/Measure/MeasureMulSegment.cs

using PaintDotNet.Annotation.Enum;
using PaintDotNet.Base.SettingModel;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
using PaintDotNet.Base.CommTool;
using System.Linq;

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

    /// <summary>
    /// 测量->多点线段->多点线段
    /// </summary>
    public class MeasureMulSegment : MeasureDrawObject
    {
        public PointList pointArray;

        /// <summary>
        ///  Graphic objects for hit test
        /// </summary>
        private GraphicsPath areaPath = null;
        private Pen areaPen = null;
        private Region areaRegion = null;
        /// <summary>
        /// 长度
        /// </summary>
        private double allLength = 0.0;
        /// <summary>
        /// 属性绘制点
        /// </summary>
        private PointF rotationPoint;
        private PointF rotationPoint1;
        /// <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();
        /// <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>
        /// 多点绘制时的文本矩形集合
        /// </summary>
        public List<RectangleF> RectangleFList = new List<RectangleF>();
        /// <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 angle;
        private double angle1 = 0;
        private int num = 0;
        private bool drawing;
        /// <summary>
        /// 限制绘制(绘制中)
        /// </summary>
        public bool mouseUpPointChange = false;
        /// <summary>
        /// 测量样式信息model
        /// </summary>
        private MeasureStyleModel.MeasureMulSegment measureStyleModel;

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

        public MeasureMulSegment(ISurfaceBox surfaceBox, int x1, int y1, bool clone) : base(surfaceBox)
        {
            this.objectType = DrawClass.Measure;
            this.drawToolType = DrawToolType.MeasureMulSegment;
            measureStyleModel = surfaceBox.GetMeasureStyleModel().measureMulSegment;
            pointArray = new PointList();
            startPoint.X = x1;
            startPoint.Y = y1;
            if (clone)
            {
                drawing = true;
                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 MeasureMulSegment(ISurfaceBox surfaceBox, List<PointF> points, ParentStyleModel parentStyleModel, Object content) : base()
        {
            this.objectType = DrawClass.Measure;
            this.drawToolType = DrawToolType.MeasureMulSegment;
            this.ISurfaceBox = surfaceBox;
            measureStyleModel = (MeasureStyleModel.MeasureMulSegment)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);
            for (int i = 0; i < (points.Count - 1) * 6; i++)
            {
                this.RectangleFList.Add(new RectangleF());
            }
            this.configurationFile = true;
        }

        /// <summary>
        /// Clone this instance
        /// </summary>
        public override DrawObject Clone()
        {
            MeasureMulSegment drawPolygon = new MeasureMulSegment(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;
            foreach (var rectangleF in RectangleFList)
            {
                drawPolygon.RectangleFList.Add(rectangleF);
            }
            FillDrawObjectFields(drawPolygon);
            return drawPolygon;
        }

        public override DrawObject Clone(ISurfaceBox surfaceBox)
        {
            MeasureMulSegment drawPolygon = new MeasureMulSegment(surfaceBox, this.GetPoints(), this.measureStyleModel, null);
            if (drawingPropertiesList != null)
                drawPolygon.drawingPropertiesListClone = drawingPropertiesList;
            foreach (var rectangleF in RectangleFList)
            {
                drawPolygon.RectangleFList.Add(rectangleF);
            }
            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.MeasureMulSegment.Text");
            else
                data.Add(MeasureAttributes.MeasureMethod, PdnResources.GetString("Menu.MeasureAction.MeasureMulSegment.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 (data.ContainsKey(MeasureAttributes.PixelStartX))
                data[MeasureAttributes.PixelStartX] = startPoint.X;
            else
                data.Add(MeasureAttributes.PixelStartX, startPoint.X);

            if (data.ContainsKey(MeasureAttributes.PixelStartY))
                data[MeasureAttributes.PixelStartY] = startPoint.Y;
            else
                data.Add(MeasureAttributes.PixelStartY, startPoint.Y);

            if (data.ContainsKey(MeasureAttributes.PhysicalStartX))
                data[MeasureAttributes.PhysicalStartX] = Math.Round(startPoint.X * unitLength, decimalPlaces);
            else
                data.Add(MeasureAttributes.PhysicalStartX, Math.Round(startPoint.X * unitLength, decimalPlaces));

            if (data.ContainsKey(MeasureAttributes.PhysicalStartY))
                data[MeasureAttributes.PhysicalStartY] = Math.Round(startPoint.Y * unitLength, decimalPlaces);
            else
                data.Add(MeasureAttributes.PhysicalStartY, Math.Round(startPoint.Y * unitLength, decimalPlaces));

            if (data.ContainsKey(MeasureAttributes.PixelLength))
                data[MeasureAttributes.PixelLength] = Math.Round(allLength, decimalPlaces);
            else
                data.Add(MeasureAttributes.PixelLength, Math.Round(allLength, decimalPlaces));

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

            if (data.ContainsKey(MeasureAttributes.PixelAverageIntercept))
                data[MeasureAttributes.PixelAverageIntercept] = Math.Round(allLength / (pointArray.Count - 1), decimalPlaces);
            else
                data.Add(MeasureAttributes.PixelAverageIntercept, Math.Round(allLength / (pointArray.Count - 1), decimalPlaces));

             s = Math.Round(allLength * unitLength / (pointArray.Count - 1), 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.PhysicalAverage))
                data[MeasureAttributes.PhysicalAverage] = s;
            else
                data.Add(MeasureAttributes.PhysicalAverage, s);
            return data;
        }
        
        public override void Draw(Graphics g)
        {
            lengthParagraphs = new List<string>();
            drawingProperties.TryGetValue(this.drawToolType, out drawingPropertiesList);
            if (drawingPropertiesList == null)
            {
                drawingPropertiesList = drawingPropertiesListClone;
                if (!this.drawing)
                    this.configurationFile = true;
            }
            pointChangeObject.TryGetValue(this.drawToolType, out SavePointChange);
            Matrix mtxSave1 = g.Transform;
            Matrix matrix1 = g.Transform;
            Font textfont1 = new Font(measureStyleModel.font, measureStyleModel.fontSize);
            Brush textbrush1 = new SolidBrush(Color.FromArgb(measureStyleModel.textColor));
            // 总长度
            double alllength = 0.0;
            // 段长度
            double length = 0.0;
            SizeF sizeF = new SizeF();
            int a1 = 0;
            int a2 = 1;
            int a3 = 2;
            int a4 = 3;
            int a5 = 4;
            int a6 = 5;
            RectangleF rectangleF;
            // 多点绘制
            for (int i = 1; i <= pointArray.Count - 1; i++)
            {
                Matrix mtxSave = g.Transform;
                Matrix matrix = g.Transform;
                int offsetValuePoint = measureStyleModel.fontSize + measureStyleModel.fontSize / 2;
                int offsetValue1Point = measureStyleModel.lineWidth * 2 / 3;
                int offsetPoint = offsetValue1Point;
                if (drawingPropertiesList != null)
                {
                    // 像素长度
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelLength.ToString()))
                    {
                        offsetPoint += offsetValuePoint;
                    }
                    // 物理长度
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalLength.ToString()))
                    {
                        offsetPoint += offsetValuePoint;
                    }
                    // 像素起始点X
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelStartX.ToString()))
                    {
                        offsetPoint += offsetValuePoint;
                    }
                    // 像素起始点Y
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelStartY.ToString()))
                    {
                        offsetPoint += offsetValuePoint;
                    }
                    // 物理起始点X
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalStartX.ToString()))
                    {
                        offsetPoint += offsetValuePoint;
                    }
                    // 物理起始点Y
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalStartY.ToString()))
                    {
                        offsetPoint += offsetValuePoint;
                    }
                }
                PointF pointF1;
                PointF pointF2;

                //计算需要旋转的角度
                double angle = BasicCalculationHelper.Angle(pointArray[i - 1], pointArray[i], new PointF(pointArray[i - 1].X, pointArray[i].Y));
                if (angle < 90)
                    pointF1 = BasicCalculationHelper.GetAnglePoint(new Point((int)pointArray[i - 1].X + offsetPoint + offsetValue1Point, (int)pointArray[i - 1].Y), pointArray[i - 1], angle - 90);
                else
                    pointF1 = BasicCalculationHelper.GetAnglePoint(new Point((int)pointArray[i - 1].X + offsetPoint + offsetValue1Point, (int)pointArray[i - 1].Y), pointArray[i - 1], angle + 90);
                if (angle < 90)
                    pointF2 = BasicCalculationHelper.GetAnglePoint(new Point((int)pointArray[i].X + offsetPoint + offsetValue1Point, (int)pointArray[i].Y), pointArray[i], angle - 90);
                else
                    pointF2 = BasicCalculationHelper.GetAnglePoint(new Point((int)pointArray[i].X + offsetPoint + offsetValue1Point, (int)pointArray[i].Y), pointArray[i], angle + 90);
                PointF pointF3 = new PointF((pointF1.X + pointF2.X) / 2, (pointF1.Y + pointF2.Y) / 2);

                if (measureStyleModel.linePositionP == 0)
                    this.rotationPoint1 = pointF1;
                else if (measureStyleModel.linePositionP == 1)
                    this.rotationPoint1 = pointF3;
                else if (measureStyleModel.linePositionP == 2)
                    this.rotationPoint1 = pointF2;
                else if (measureStyleModel.linePositionP == 3)
                    this.rotationPoint1 = pointArray[i - 1];
                else if (measureStyleModel.linePositionP == 4)
                    this.rotationPoint1 = new PointF((pointArray[i - 1].X + pointArray[i].X) / 2, (pointArray[i - 1].Y + pointArray[i].Y) / 2);
                else if (measureStyleModel.linePositionP == 5)
                    this.rotationPoint1 = pointArray[i];

                if (angle < 90)
                {
                    matrix.RotateAt((float)angle, rotationPoint1);
                    g.Transform = matrix;
                }
                else
                {
                    angle = BasicCalculationHelper.Angle(pointArray[i], pointArray[i - 1], new PointF(pointArray[i].X, pointArray[i - 1].Y));
                    matrix.RotateAt((float)angle, rotationPoint1);
                    g.Transform = matrix;
                }
                Font textfont = new Font(measureStyleModel.font, measureStyleModel.fontSize);
                Brush textbrush = new SolidBrush(Color.FromArgb(measureStyleModel.textColor));
                Pen linePen = new Pen(Color.FromArgb(measureStyleModel.lineColor), measureStyleModel.lineWidth);
                linePen.DashStyle = (DashStyle)measureStyleModel.lineStyle;
                g.SmoothingMode = SmoothingMode.AntiAlias;
                // 段长度
                //length = BasicCalculationHelper.GetDistance(pointArray[i - 1], pointArray[i], 10) / pxPerUnit;
                length = BasicCalculationHelper.GetDistance(pointArray[i - 1], pointArray[i], 10);
                // 总长度
                alllength = alllength + length;

                int offsetValue = measureStyleModel.fontSize + measureStyleModel.fontSize / 2;
                int offsetValue1 = measureStyleModel.lineWidth * 2 / 3;
                int offset = offsetValue1;
                if (drawingPropertiesList != null)
                {
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelLength.ToString()))
                    {
                        rectangleF = this.RectangleFList[a1];
                        sizeF = g.MeasureString("" + Math.Round(length, decimalPlaces) + "px", textfont1);
                        rectangleF.Width = sizeF.Width;
                        rectangleF.Height = sizeF.Height;
                        if (this.pointChange || this.SavePointChange || this.mouseUpPointChange || this.mouseUpAttribute)
                        {
                            rectangleF.Location = new PointF((int)rotationPoint1.X + offsetValue1 - (int)sizeF.Width / 2, (int)rotationPoint1.Y + offset);
                            offset += offsetValue;
                            this.RectangleFList[a1] = rectangleF;
                        }
                        g.DrawString("" + Math.Round(length, decimalPlaces) + "px", textfont1, textbrush1, this.RectangleFList[a1]);
                        a1 += 6;
                    }
                    else
                    {
                        this.RectangleFList[a1] = new RectangleF();
                        a1 += 6;
                    }
                    string s = Math.Round(length * unitLength, decimalPlaces).ToString();
                    if (s.IndexOf(".") == -1)
                    {
                        for (int c = 0; c < decimalPlaces; c++)
                        {
                            if (c == 0)
                                s += ".";
                            s += "0";
                        }
                    }
                    else
                    {
                        int a = s.Length - s.IndexOf(".") - 1;
                        if (a < decimalPlaces)
                        {
                            for (int c = 0; c < decimalPlaces - a; c++)
                            {
                                s += "0";
                            }
                        }
                    }
                    lengthParagraphs.Add(s);
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalLength.ToString()))
                    {
                        rectangleF = this.RectangleFList[a2];
                        sizeF = g.MeasureString(s + this.unit, textfont1);
                        rectangleF.Width = sizeF.Width;
                        rectangleF.Height = sizeF.Height;
                        if (this.pointChange || this.SavePointChange || this.mouseUpPointChange || this.mouseUpAttribute)
                        {
                            rectangleF.Location = new PointF((int)rotationPoint1.X + offsetValue1 - (int)sizeF.Width / 2, (int)rotationPoint1.Y + offset);
                            offset += offsetValue;
                            this.RectangleFList[a2] = rectangleF;
                        }
                        g.DrawString(s + this.unit, textfont1, textbrush1, this.RectangleFList[a2]);
                        a2 += 6;
                    }
                    else
                    {
                        this.RectangleFList[a2] = new RectangleF();
                        a2 += 6;
                    }
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelStartX.ToString()))
                    {
                        rectangleF = this.RectangleFList[a3];
                        sizeF = g.MeasureString("" + pointArray[i].X, textfont1);
                        rectangleF.Width = sizeF.Width;
                        rectangleF.Height = sizeF.Height;
                        if (this.pointChange || this.SavePointChange || this.mouseUpPointChange || this.mouseUpAttribute)
                        {
                            rectangleF.Location = new PointF((int)rotationPoint1.X + offsetValue1 - (int)sizeF.Width / 2, (int)rotationPoint1.Y + offset);
                            offset += offsetValue;
                            this.RectangleFList[a3] = rectangleF;
                        }
                        g.DrawString("" + pointArray[i].X, textfont1, textbrush1, this.RectangleFList[a3]);
                        a3 += 6;
                    }
                    else
                    {
                        this.RectangleFList[a3] = new RectangleF();
                        a3 += 6;
                    }
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelStartY.ToString()))
                    {
                        rectangleF = this.RectangleFList[a4];
                        sizeF = g.MeasureString("" + pointArray[i].Y, textfont1);
                        rectangleF.Width = sizeF.Width;
                        rectangleF.Height = sizeF.Height;
                        if (this.pointChange || this.SavePointChange || this.mouseUpPointChange || this.mouseUpAttribute)
                        {
                            rectangleF.Location = new PointF((int)rotationPoint1.X + offsetValue1 - (int)sizeF.Width / 2, (int)rotationPoint1.Y + offset);
                            offset += offsetValue;
                            this.RectangleFList[a4] = rectangleF;
                        }
                        g.DrawString("" + pointArray[i].Y, textfont1, textbrush1, this.RectangleFList[a4]);
                        a4 += 6;
                    }
                    else
                    {
                        this.RectangleFList[a4] = new RectangleF();
                        a4 += 6;
                    }
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalStartX.ToString()))
                    {
                        rectangleF = this.RectangleFList[a5];
                        sizeF = g.MeasureString("" + Math.Round(pointArray[i].X * unitLength, decimalPlaces), textfont1);
                        rectangleF.Width = sizeF.Width;
                        rectangleF.Height = sizeF.Height;
                        if (this.pointChange || this.SavePointChange || this.mouseUpPointChange || this.mouseUpAttribute)
                        {
                            rectangleF.Location = new PointF((int)rotationPoint1.X + offsetValue1 - (int)sizeF.Width / 2, (int)rotationPoint1.Y + offset);
                            offset += offsetValue;
                            this.RectangleFList[a5] = rectangleF;
                        }
                        g.DrawString("" + Math.Round(pointArray[i].X * unitLength, decimalPlaces), textfont1, textbrush1, this.RectangleFList[a5]);
                        a5 += 6;
                    }
                    else
                    {
                        this.RectangleFList[a5] = new RectangleF();
                        a5 += 6;
                    }
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalStartY.ToString()))
                    {
                        rectangleF = this.RectangleFList[a6];
                        sizeF = g.MeasureString("" + Math.Round(pointArray[i].Y * unitLength, decimalPlaces), textfont1);
                        rectangleF.Width = sizeF.Width;
                        rectangleF.Height = sizeF.Height;
                        if (this.pointChange || this.SavePointChange || this.mouseUpPointChange || this.mouseUpAttribute)
                        {
                            rectangleF.Location = new PointF((int)rotationPoint1.X + offsetValue1 - (int)sizeF.Width / 2, (int)rotationPoint1.Y + offset);
                            offset += offsetValue;
                            this.RectangleFList[a6] = rectangleF;
                        }
                        g.DrawString("" + Math.Round(pointArray[i].Y * unitLength, decimalPlaces), textfont1, textbrush1, this.RectangleFList[a6]);
                        a6 += 6;
                    }
                    else
                    {
                        this.RectangleFList[a6] = new RectangleF();
                        a6 += 6;
                    }
                }
                //还原为原始旋转矩阵
                g.Transform = mtxSave;
                matrix.Dispose();
                PointF point = BasicCalculationHelper.GetAnglePoint(new PointF(pointArray[i - 1].X, pointArray[i - 1].Y + measureStyleModel.vLineLength), pointArray[i - 1], angle);
                PointF point1 = BasicCalculationHelper.GetAnglePoint(new PointF(pointArray[i - 1].X, pointArray[i - 1].Y - measureStyleModel.vLineLength), pointArray[i - 1], angle);

                PointF point2 = BasicCalculationHelper.GetAnglePoint(new PointF(pointArray[i].X, pointArray[i].Y + measureStyleModel.vLineLength), pointArray[i], angle);
                PointF point3 = BasicCalculationHelper.GetAnglePoint(new PointF(pointArray[i].X, pointArray[i].Y - measureStyleModel.vLineLength), pointArray[i], angle);

                g.DrawLine(linePen, point.X, point.Y, point1.X, point1.Y);
                g.DrawLine(linePen, point2.X, point2.Y, point3.X, point3.Y);
                g.DrawLine(linePen, pointArray[i - 1], pointArray[i]);
                linePen.Dispose();
            }
            this.allLength = alllength;
            if (pointArray.Count > 1)
            {
                this.angle = BasicCalculationHelper.Angle(pointArray[0], pointArray[1], new PointF(pointArray[0].X, pointArray[1].Y));
                int offsetValuePoint = measureStyleModel.fontSize + measureStyleModel.fontSize / 2;
                int offsetValue1Point = measureStyleModel.lineWidth * 2 / 3;
                int offsetPoint = offsetValue1Point;
                if (drawingPropertiesList != null)
                {
                    // 像素平均截距
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelAverageIntercept.ToString()))
                    {
                        offsetPoint += offsetValuePoint;
                    }
                    // 物理平均截距
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalAverage.ToString()))
                    {
                        offsetPoint += offsetValuePoint;
                    }
                    // 测量方式
                    if (drawingPropertiesList.Contains(MeasureAttributes.MeasureMethod.ToString()))
                    {
                        offsetPoint += offsetValuePoint;
                    }
                    // 测量单位(中文)
                    if (drawingPropertiesList.Contains(MeasureAttributes.MeasureUnitCN.ToString()))
                    {
                    }
                    // 测量单位(英文)
                    if (drawingPropertiesList.Contains(MeasureAttributes.MeasureUnitEN.ToString()))
                    {
                        offsetPoint += offsetValuePoint;
                    }
                }
                PointF pointF1;
                PointF pointF2;

                if (angle < 90)
                    pointF1 = BasicCalculationHelper.GetAnglePoint(new Point((int)pointArray[0].X + offsetPoint + offsetValue1Point, (int)pointArray[0].Y), pointArray[0], angle - 90);
                else
                    pointF1 = BasicCalculationHelper.GetAnglePoint(new Point((int)pointArray[0].X + offsetPoint + offsetValue1Point, (int)pointArray[0].Y), pointArray[0], angle + 90);
                if (angle < 90)
                    pointF2 = BasicCalculationHelper.GetAnglePoint(new Point((int)pointArray[1].X + offsetPoint + offsetValue1Point, (int)pointArray[1].Y), pointArray[1], angle - 90);
                else
                    pointF2 = BasicCalculationHelper.GetAnglePoint(new Point((int)pointArray[1].X + offsetPoint + offsetValue1Point, (int)pointArray[1].Y), pointArray[1], angle + 90);
                PointF pointF3 = new PointF((pointF1.X + pointF2.X) / 2, (pointF1.Y + pointF2.Y) / 2);

                if (measureStyleModel.linePositionL == 0)
                    this.rotationPoint = pointF1;
                else if (measureStyleModel.linePositionL == 1)
                    this.rotationPoint = pointF3;
                else if (measureStyleModel.linePositionL == 2)
                    this.rotationPoint = pointF2;
                else if (measureStyleModel.linePositionL == 3)
                    this.rotationPoint = pointArray[0];
                else if (measureStyleModel.linePositionL == 4)
                    this.rotationPoint = new PointF((pointArray[0].X + pointArray[1].X) / 2,(pointArray[0].Y + pointArray[1].Y) / 2);
                else if (measureStyleModel.linePositionL == 5)
                    this.rotationPoint = pointArray[1];
                if (this.angle < 90)
                {
                    matrix1.RotateAt((float)this.angle, new PointF(rotationPoint.X, rotationPoint.Y));
                    g.Transform = matrix1;
                }
                else
                {
                    this.angle = BasicCalculationHelper.Angle(pointArray[1], pointArray[0], new PointF(pointArray[1].X, pointArray[0].Y));
                    matrix1.RotateAt((float)this.angle, new PointF(rotationPoint.X, rotationPoint.Y));
                    g.Transform = matrix1;
                }
            }
            // 是否绘制
            if (this.pointChange || this.SavePointChange || this.mouseUpPointChange || this.mouseUpAttribute)
            {
                // 文本间隔定义
                int offsetValue = measureStyleModel.fontSize + measureStyleModel.fontSize / 2;
                int offsetValue1 = measureStyleModel.lineWidth * 2 / 3;
                int offset = offsetValue1 - offsetValue;
                if (measureStyleModel.linePositionL == 3 || measureStyleModel.linePositionL == 4 || measureStyleModel.linePositionL == 5)
                    offset = offsetValue1;
                this.pointL = new Point((int)rotationPoint.X, (int)rotationPoint.Y);
                if (drawingPropertiesList != null)
                {
                    if (drawingPropertiesList.Contains(MeasureAttributes.PixelAverageIntercept.ToString()))
                    {
                        sizeF = g.MeasureString("" + Math.Round(allLength / (pointArray.Count - 1), decimalPlaces) + "px", textfont1);
                        rectangleF4.Location = new Point((int)rotationPoint.X + offsetValue1 - (int)sizeF.Width / 2, (int)rotationPoint.Y + offset);
                        offset += offsetValue;
                    }
                    if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalAverage.ToString()))
                    {
                        string s = Math.Round(allLength * unitLength / (pointArray.Count - 1), 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";
                                }
                            }
                        }
                        sizeF = g.MeasureString(s + this.unit, textfont1);
                        rectangleF5.Location = new Point((int)rotationPoint.X + offsetValue1 - (int)sizeF.Width / 2, (int)rotationPoint.Y + offset);
                        offset += offsetValue;
                    }
                    if (drawingPropertiesList.Contains(MeasureAttributes.MeasureMethod.ToString()))
                    {
                        sizeF = g.MeasureString("" + PdnResources.GetString("Menu.MeasureAction.MeasureMulSegment.Text"), textfont1);
                        rectangleF1.Location = new Point((int)rotationPoint.X + offsetValue1 - (int)sizeF.Width / 2, (int)rotationPoint.Y + offset);
                        offset += offsetValue;
                    }
                    if (drawingPropertiesList.Contains(MeasureAttributes.MeasureUnitCN.ToString()))
                    {
                        sizeF = g.MeasureString("" + this.unitString, textfont1);
                        rectangleF2.Location = new Point((int)rotationPoint.X + offsetValue1 - (int)sizeF.Width / 2, (int)rotationPoint.Y + offset);
                        offset += offsetValue;
                    }
                    if (drawingPropertiesList.Contains(MeasureAttributes.MeasureUnitEN.ToString()))
                    {
                        sizeF = g.MeasureString("" + this.unit, textfont1);
                        rectangleF3.Location = new Point((int)rotationPoint.X + offsetValue1 - (int)sizeF.Width / 2, (int)rotationPoint.Y + offset);
                        offset += offsetValue;
                    }
                }
            }
            if (drawingPropertiesList != null)
            {
                if (drawingPropertiesList.Contains(MeasureAttributes.MeasureMethod.ToString()))
                {
                    sizeF = g.MeasureString("" + PdnResources.GetString("Menu.MeasureAction.MeasureMulSegment.Text"), textfont1);
                    rectangleF1.Width = sizeF.Width;
                    rectangleF1.Height = sizeF.Height;
                    g.DrawString("" + PdnResources.GetString("Menu.MeasureAction.MeasureMulSegment.Text"), textfont1, textbrush1, rectangleF1);
                }
                else
                {
                    rectangleF1 = new RectangleF();
                }
                if (drawingPropertiesList.Contains(MeasureAttributes.MeasureUnitCN.ToString()))
                {
                    sizeF = g.MeasureString("" + this.unitString, textfont1);
                    rectangleF2.Width = sizeF.Width;
                    rectangleF2.Height = sizeF.Height;
                    g.DrawString("" + this.unitString, textfont1, textbrush1, rectangleF2);
                }
                else
                {
                    rectangleF2 = new RectangleF();
                }
                if (drawingPropertiesList.Contains(MeasureAttributes.MeasureUnitEN.ToString()))
                {
                    sizeF = g.MeasureString("" + this.unit, textfont1);
                    rectangleF3.Width = sizeF.Width;
                    rectangleF3.Height = sizeF.Height;
                    g.DrawString("" + this.unit, textfont1, textbrush1, rectangleF3);
                }
                else
                {
                    rectangleF3 = new RectangleF();
                }
                if (drawingPropertiesList.Contains(MeasureAttributes.PixelAverageIntercept.ToString()))
                {
                    sizeF = g.MeasureString("" + Math.Round(allLength / (pointArray.Count - 1), decimalPlaces) + "px", textfont1);
                    rectangleF4.Width = sizeF.Width;
                    rectangleF4.Height = sizeF.Height;
                    g.DrawString("" + Math.Round(allLength / (pointArray.Count - 1), decimalPlaces) + "px", textfont1, textbrush1, rectangleF4);
                }
                else
                {
                    rectangleF4 = new RectangleF();
                }
                if (drawingPropertiesList.Contains(MeasureAttributes.PhysicalAverage.ToString()))
                {
                    string s = Math.Round(allLength * unitLength / (pointArray.Count - 1), 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";
                            }
                        }
                    }
                    sizeF = g.MeasureString(s + this.unit, textfont1);
                    rectangleF5.Width = sizeF.Width;
                    rectangleF5.Height = sizeF.Height;
                    g.DrawString(s + this.unit, textfont1, textbrush1, rectangleF5);
                }
                else
                {
                    rectangleF5 = new RectangleF();
                }
            }
            g.Transform = mtxSave1;
            matrix1.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)
            {
                if(this.moveKb == 1 || this.moveKb == 2 || this.moveKb == 3 || this.moveKb == 4 || this.moveKb == 5)
                {
                    point = SetOffsetAfterRotation(point, rotationPoint, angle);
                    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
                {
                    for (int i = 0; i < this.RectangleFList.Count; i++)
                    {
                        num = i / 6;
                        if (num + 1 < pointArray.Count)
                        {
                            //计算需要旋转的角度
                            angle1 = BasicCalculationHelper.Angle(pointArray[num], pointArray[num + 1], new PointF(pointArray[num].X, pointArray[num + 1].Y));
                            if (angle1 > 90)
                            {
                                angle1 = BasicCalculationHelper.Angle(pointArray[num + 1], pointArray[num], new PointF(pointArray[num + 1].X, pointArray[num].Y));
                            }
                            RectangleF rectangleF = this.RectangleFList[i];
                            if (this.moveKb == -i)
                            {
                                point = SetOffsetAfterRotation(point, pointArray[num + 1], angle1);
                                rectangleF.Offset(point.X - this.pointL.X, point.Y - this.pointL.Y);
                                this.RectangleFList[i] = rectangleF;
                                break;
                            }
                        }
                    }
                }
                this.pointL = point;
            }
            else
            {
                if(handleNumber != 1)
                {
                    for (int i = 1; i <= this.RectangleFList.Count; i++)
                    {
                        if (i == handleNumber)
                        {
                            RectangleF rectangleF = this.RectangleFList[i * 6 - 12];
                            rectangleF.Offset(point.X - this.pointArray[i - 1].X, point.Y - this.pointArray[i - 1].Y);
                            this.RectangleFList[i * 6 - 12] = rectangleF;
                            rectangleF = this.RectangleFList[i * 6 - 11];
                            rectangleF.Offset(point.X - this.pointArray[i - 1].X, point.Y - this.pointArray[i - 1].Y);
                            this.RectangleFList[i * 6 - 11] = rectangleF;
                            rectangleF = this.RectangleFList[i * 6 - 10];
                            rectangleF.Offset(point.X - this.pointArray[i - 1].X, point.Y - this.pointArray[i - 1].Y);
                            this.RectangleFList[i * 6 - 10] = rectangleF;
                            rectangleF = this.RectangleFList[i * 6 - 9];
                            rectangleF.Offset(point.X - this.pointArray[i - 1].X, point.Y - this.pointArray[i - 1].Y);
                            this.RectangleFList[i * 6 - 9] = rectangleF;
                            rectangleF = this.RectangleFList[i * 6 - 8];
                            rectangleF.Offset(point.X - this.pointArray[i - 1].X, point.Y - this.pointArray[i - 1].Y);
                            this.RectangleFList[i * 6 - 8] = rectangleF;
                            rectangleF = this.RectangleFList[i * 6 - 7];
                            rectangleF.Offset(point.X - this.pointArray[i - 1].X, point.Y - this.pointArray[i - 1].Y);
                            this.RectangleFList[i * 6 - 7] = rectangleF;
                        }
                    }
                }
                else
                {
                    this.rectangleF1.Offset(point.X - this.pointArray[0].X, point.Y - this.pointArray[0].Y);
                    this.rectangleF2.Offset(point.X - this.pointArray[0].X, point.Y - this.pointArray[0].Y);
                    this.rectangleF3.Offset(point.X - this.pointArray[0].X, point.Y - this.pointArray[0].Y);
                    this.rectangleF4.Offset(point.X - this.pointArray[0].X, point.Y - this.pointArray[0].Y);
                    this.rectangleF5.Offset(point.X - this.pointArray[0].X, point.Y - this.pointArray[0].Y);
                }
                this.mouseUpPointChange = true;
                pointArray[handleNumber - 1] = point;
            }
            this.startPoint = pointArray[0];
            Invalidate();
        }

        public override void Move(int deltaX, int deltaY)
        {
            int n = pointArray.Count;
            for (int i = 0; i < n; i++)
            {
                PointF 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);
            for (int i = 0; i < this.RectangleFList.Count; i++)
            {
                RectangleF rectangleF = this.RectangleFList[i];
                rectangleF.Offset(x, y);
                this.RectangleFList[i] = rectangleF;
            }
            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));
            }
            brush.Dispose();
            RectangleF r = GetBoundingBox();
            //g.DrawRectangle(new Pen(Color.White), r.X, r.Y, r.Width, r.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, rotationPoint, angle))
                {
                    this.pointL = SetOffsetAfterRotation(point, rotationPoint, angle);
                    moveKb = 1;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF2, point, rotationPoint, angle))
                {
                    this.pointL = SetOffsetAfterRotation(point, rotationPoint, angle);
                    moveKb = 2;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF3, point, rotationPoint, angle))
                {
                    this.pointL = SetOffsetAfterRotation(point, rotationPoint, angle);
                    moveKb = 3;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF4, point, rotationPoint, angle))
                {
                    this.pointL = SetOffsetAfterRotation(point, rotationPoint, angle);
                    moveKb = 4;
                    return this.pointArray.Count + 1;
                }
                else if (GetRectanglePosition(this.rectangleF5, point, rotationPoint, angle))
                {
                    this.pointL = SetOffsetAfterRotation(point, rotationPoint, angle);
                    moveKb = 5;
                    return this.pointArray.Count + 1;
                }
               
                for (int i = 0; i < this.RectangleFList.Count; i++)
                {
                    num = i / 6;
                    RectangleF rectangleF = this.RectangleFList[i];
                    if(num + 1 < pointArray.Count)
                    {
                        //计算需要旋转的角度
                        angle1 = BasicCalculationHelper.Angle(pointArray[num], pointArray[num + 1], new PointF(pointArray[num].X, pointArray[num + 1].Y));
                        if (angle1 > 90)
                        {
                            angle1 = BasicCalculationHelper.Angle(pointArray[num + 1], pointArray[num], new PointF(pointArray[num + 1].X, pointArray[num].Y));
                        }
                        if (GetRectanglePosition(rectangleF, point, pointArray[num + 1], angle1))
                        {
                            this.pointL = SetOffsetAfterRotation(point, pointArray[num + 1], angle1);
                            moveKb = -i;
                            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()
        {
            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;
                }
            }
            return new RectangleF(minx, miny, maxx - minx, maxy - miny);
        }

        internal void setNextPoint(Point p)
        {
            AddPoint(p);
            //startPoint = endPoint;
            //endPoint = p;
        }

        internal void setEndPoint(Point p)
        {
            endPoint = p;
        }

        public override List<PointF> GetPoints()
        {
            return pointArray;
        }

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