/// <summary>        /// 导出信令流程矢量图        /// </summary>        /// <param name="signalFlowInfos">信令流程</param>        /// <returns>路径</returns>        public string ExportToImage(List<SignalFlowInfo> list)        {            List<SignalOpinion> signalOpinionList=GetSignalOpinion();            seriesOpinionOffsetDic = new Dictionary<string, int>();            seriesOpinionBrushDic = new Dictionary<string, Brush>();            string[] seriesNameArr = new string[signalOpinionList.Count];            for(int i=0;i<signalOpinionList.Count;i++)            {                seriesOpinionOffsetDic.Add(signalOpinionList[i].Name, 80 + itemWidth * i);                seriesOpinionBrushDic.Add(signalOpinionList[i].Name, new SolidBrush(Color.FromArgb(signalOpinionList[i].ColorA,signalOpinionList[i].ColorR,signalOpinionList[i].ColorG,signalOpinionList[i].ColorB)));                seriesNameArr[i] = signalOpinionList[i].Name;            }            int imgWidth = 80 + signalOpinionList.Count * itemWidth;            Bitmap bmp = new Bitmap(imgWidth, (list.Count + 2) * itemHeight);            Graphics gs = Graphics.FromImage(bmp);            if (!Directory.Exists(TempFilesPath))            {                Directory.CreateDirectory(TempFilesPath);            }            string fileName = "信令流程图" + System.Guid.NewGuid().ToString() + ".zip";            string filePath = TempFilesPath + "\\" + fileName;            Metafile mf = null;            Graphics g = null;            try            {                mf = new Metafile(filePath, gs.GetHdc());                g = Graphics.FromImage(mf);                DrawNew(g, list, seriesNameArr);                g.Save();            }            catch (Exception err)            {                WebLogLayout.Error(new List<string>() { "导出信令流程矢量图失败:" + err.Message });                //return "";                Exception e = new Exception("导出信令流程矢量图失败", err);                throw e;            }            finally            {                if (g != null)                    g.Dispose();                if (mf != null)                    mf.Dispose();            }            return fileName;        }        /// <summary>        /// 画图        /// </summary>        /// <param name="g">GDI+ 绘图图面</param>        /// <param name="signalFlowInfos">数据对象集合</param>        private void DrawNew(Graphics g, List<SignalFlowInfo> signalFlowInfos,string[] seriesNameArr )        {            int imgWidth = 80 + seriesNameArr.Length * itemWidth;//画布宽            int imgHeight = (signalFlowInfos.Count + 2) * itemHeight;//画布高            Font fontTitle = new Font("宋体", 12, FontStyle.Bold);            Font font = new Font("宋体", 9, FontStyle.Regular);            #region 定义表头            Point cellLocation = new Point(5, 5);            StringFormat format = new StringFormat();            format.Alignment = StringAlignment.Center;            format.LineAlignment = StringAlignment.Center;            Rectangle cellRect;            Pen pen = new Pen(Brushes.Black, 1); ;            for (int i = 0; i < seriesNameArr.Length; i++)            {                string name=seriesNameArr[i];                cellRect = new Rectangle(seriesOpinionOffsetDic[name] + (itemWidth-100)/2, 5, 100, 30);//100为矩形tIttle的宽度                //g.FillRectangle(seriesOpinionBrushDic[name], cellRect);                CreateRoundRectangle.FillRoundRectangle(g, seriesOpinionBrushDic[name], cellRect, 5);                pen.Brush = Brushes.Black;                pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Solid;//画虚线                CreateRoundRectangle.DrawRoundRectangle(g, pen, cellRect, 5);                g.DrawString(name, fontTitle, Brushes.Black, seriesOpinionOffsetDic[name] + itemWidth/2, 20, format);                //pen = new Pen(seriesOpinionBrushDic[name], 2);//柱子颜色                pen.Brush = seriesOpinionBrushDic[name];                pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;//画虚线                pen.DashPattern = new float[] { 3, 2 };                int xline=seriesOpinionOffsetDic[name] + itemWidth/2;                g.DrawLine(pen, xline, 35, xline, imgHeight);//画柱子            }                        #endregion            int hight = 35;            Color colorTO = ColorTranslator.FromHtml("#008000");//向右方向颜色            Color colorFrom = ColorTranslator.FromHtml("#FFA500");//向左方向颜色            string fromX1Name;            string toX2Name;            int seriesOffsetTo;            int seriesOffsetFrom;            pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Solid;//画实线            for (int i = 0; i < signalFlowInfos.Count; i++)            {                #region 第一行                fromX1Name = signalFlowInfos[i].From;                toX2Name = signalFlowInfos[i].To;                seriesOffsetTo = seriesOpinionOffsetDic[toX2Name] + itemWidth / 2;                seriesOffsetFrom = seriesOpinionOffsetDic[fromX1Name] + itemWidth / 2;                cellRect = new Rectangle(6, hight + 1, imgWidth, itemHeight);                format.Alignment = StringAlignment.Near;                g.DrawString(signalFlowInfos[i].Time, font, Brushes.Black, cellRect, format);                //连接线和箭头                pen.Width = 2;                if (Array.IndexOf(seriesNameArr, fromX1Name) < Array.IndexOf(seriesNameArr, toX2Name))//画向右箭头                {                    pen.Color = colorTO;                    g.DrawLine(pen, seriesOffsetTo - 10, hight + itemHeight/2-5, seriesOffsetTo - 5, hight + itemHeight / 2);//线上                    g.DrawLine(pen, seriesOffsetTo - 10, hight + itemHeight/2+5, seriesOffsetTo - 5, hight + itemHeight / 2);//线下                }                else//画向左箭头                {                    pen.Color =  colorFrom;                    g.DrawLine(pen, seriesOffsetTo + 5, hight + itemHeight / 2, seriesOffsetTo + 10, hight + itemHeight/2-5);//线上                    g.DrawLine(pen, seriesOffsetTo + 5, hight + itemHeight / 2, seriesOffsetTo + 10, hight + itemHeight/2+5);//线下                }                pen.Width = 1;                g.DrawLine(pen, seriesOffsetFrom, hight + itemHeight / 2, seriesOffsetTo, hight + itemHeight/2);                cellRect = new Rectangle(seriesOffsetFrom - 5, hight + itemHeight/2-5, 10, 10);                g.FillEllipse(seriesOpinionBrushDic[fromX1Name], cellRect);//画圆                g.DrawEllipse(Pens.Black, cellRect);//画边框                cellRect = new Rectangle(seriesOffsetTo - 5, hight + itemHeight/2-5, 10, 10);                g.FillEllipse(seriesOpinionBrushDic[toX2Name], cellRect);                g.DrawEllipse(Pens.Black, cellRect);                //写Message                cellRect = new Rectangle(seriesOffsetFrom < seriesOffsetTo ? seriesOffsetFrom : seriesOffsetTo, hight, itemWidth - 10, itemHeight);                format.Alignment = StringAlignment.Center;                g.DrawString(signalFlowInfos[i].Message, font, Brushes.Black, cellRect, format);                #endregion                hight += itemHeight;            }        }