TEAMModelOS/TEAMModelOS.Service/Services/PowerPoint/Implement/ShapeGenerator.cs

using DocumentFormat.OpenXml.Drawing;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Presentation;
using HiTeachCC.Model.PowerPoint;
using HiTeachCC.Service.PowerPoint.Interface;
using Microsoft.AspNetCore.Http;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml;
using System.Xml.Linq;
using System.Xml.XPath;
using TEAMModelOS.SDK.Context.Constant;
using TEAMModelOS.SDK.Context.Constant.Common;
using TEAMModelOS.SDK.Context.Exception;
using TEAMModelOS.SDK.Helper.Common.ColorHelper;
using TEAMModelOS.SDK.Helper.Common.JsonHelper;
using TEAMModelOS.SDK.Helper.Common.StringHelper;
using TEAMModelOS.SDK.Helper.Security.ShaHash;
using TEAMModelOS.SDK.Module.AzureBlob.Container;
using TEAMModelOS.SDK.Module.AzureBlob.Interfaces;
using TEAMModelOS.Service.Models.PowerPoint.Inner;
using ColorMap = DocumentFormat.OpenXml.Presentation.ColorMap;
using Fill = HiTeachCC.Model.PowerPoint.Fill;
using Media = HiTeachCC.Model.PowerPoint.Media;
using Position = HiTeachCC.Model.PowerPoint.Position;

namespace HiTeachCC.Service.PowerPoint.Implement
{
    public class ShapeGenerator : IShapeGenerator
    {
        public string fileShaCode { get; set; }
        bool isDone = false;
        List<object> MsgQueue = new List<object>();

        private Dictionary<string, string> slideLayoutClrOvride { get; set; }
        private XmlNode themeContent { get; set; }

        int chartID = 0;
        int _order = 1;
        int titleFontSize = 42;
        int bodyFontSize = 20;
        int otherFontSize = 16;
        bool isSlideMode = false;
        Dictionary<string, Dictionary<string, string>> styleTable = new Dictionary<string, Dictionary<string, string>>();
        const double px96 = 96.00, px72 = 72.00, px914400 = 914400.00, px12700 = 12700.00;
        const double rot60000 = 60000.00;
        private readonly IAzureBlobDBRepository azureBlobDBRepository;

        public ShapeGenerator(IAzureBlobDBRepository _azureBlobDBRepository)
        {
            azureBlobDBRepository = _azureBlobDBRepository;
        }

        public async Task<Dictionary<string, object>> LoadPresentation(IFormFile file)
        {
            Dictionary<string, object> resdict = new Dictionary<string, object>();

            if (FileType.GetExtention(file.FileName).ToLower().Equals("pptx"))
            {
                ConvertPPTX(file, resdict);
                return resdict;
            }
            else if (FileType.GetExtention(file.FileName).ToLower().Equals("pdf"))
            {
                // await ProcessPDF(file, resdict);
                return resdict;
            }
            else
            {
                throw new BizException("file type does not support!", 500);
            }
        }

        public Dictionary<string, object> ConvertPPTX(IFormFile file, Dictionary<string, object> resdict)
        {
            string shaCode = fileShaCode = ShaHashHelper.GetSHA1(file.OpenReadStream());

            using (PresentationDocument presentationDocument = PresentationDocument.Open(file.OpenReadStream(), false))
            {
                if (presentationDocument == null)
                {
                    throw new ArgumentNullException("presentationDocument");
                }
                XDocument xdoc = presentationDocument.ToFlatOpcDocument();
                XmlDocument xmlDocument = new XmlDocument();
                xmlDocument.LoadXml(xdoc.ToString());
                var rslt_ary = ProcessPPTX(xmlDocument, shaCode);
                //TODO
                return null;
            }
        }

        /// <summary>
        /// 加载PPTX文件
        /// </summary>
        /// <param name="presentationFile"></param>
        /// <returns></returns>
        public async Task<List<Dictionary<string, object>>> ProcessPPTX(XmlDocument xdoc, string shaCode)
        {
            List<Dictionary<string, object>> post_ary = new List<Dictionary<string, object>>();
            var dateBefore = DateTimeOffset.Now.UtcTicks;
            AzureBlobModel thumbnailModel = await GetThumbnailModel(xdoc, shaCode);
            post_ary.Add(new Dictionary<string, object> { { "pptx-thumb", thumbnailModel } });
            //获取全部的/ppt/slides/slide1.xml--->>/ppt/slides/slide(n).xml
            var slideNodes = xdoc.GetTextByPathList("//pkg:part[@pkg:contentType='application/vnd.openxmlformats-officedocument.presentationml.slide+xml']");
            //获取全部的/ppt/slideLayouts/slideLayout1.xml--->>/ppt/slideLayouts/slideLayout(n).xml
            var slideLayoutNodes = xdoc.GetTextByPathList("//pkg:part[@pkg:contentType='application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml']");
            //获取ppt的宽高
            var slideSize = GetSlideSize(xdoc);
            post_ary.Add(new Dictionary<string, object> { { "slideSize", slideSize } });
            //加载当前PPT使用到的PPT节点
            themeContent = LoadTheme(xdoc);
            //获取所有的表格样式节点
            var tableStyles = xdoc.GetTextByPath("//pkg:part[@pkg:name='/ppt/tableStyles.xml']/pkg:xmlData/a:tblStyleLst");
            //处理slide1---slide(n)
            int numOfSlides = slideNodes.Count;
            for (int i = 0; i < numOfSlides; i++)
            {
                string filename = slideNodes[i].GetTextByPath("@pkg:name").Value;
                //处理当前页的幻灯片
                string slideHtml = ProcessSingleSlide(xdoc, slideNodes[i], filename, i, slideSize);
                post_ary.Add(new Dictionary<string, object> { { "slide", slideHtml } });
                post_ary.Add(new Dictionary<string, object> { { "progress-update", (i + 1) * 100 / numOfSlides } });

            }
            post_ary.Add(new Dictionary<string, object> { { "globalCSS", GenGlobalCSS() } });
            var dateAfter = DateTimeOffset.Now.UtcTicks;
            post_ary.Add(new Dictionary<string, object> { { "ExecutionTime", dateAfter - dateBefore } });
            return post_ary;
        }

        private Dictionary<string, string> GenGlobalCSS()
        {
            Dictionary<string, string> cssText = new Dictionary<string, string>();

            foreach (var key in styleTable.Keys)
            {
                // cssText += "div ." + styleTable[key]["name"] + "{" + styleTable[key]["text"] + "}\n"; //section > div
                var cssTextKey = styleTable[key]["name"];
                var cssTextValue = styleTable[key]["text"];
                cssText.Add(cssTextKey, cssTextValue);
            }
            return cssText;
        }

        private string ProcessSingleSlide(XmlDocument xdoc, XmlNode xnode, string sldFileName, int index, dynamic slideSize) 
        {
            var resName = sldFileName.Replace("slides/slide", "slides/_rels/slide") + ".rels";
            var RelationshipArray = xdoc.GetTextByPathList("//pkg:part[@pkg:name='" + resName + "']/pkg:xmlData/rel:Relationships/rel:Relationship");
            Dictionary<string, Dictionary<string, string>> slideResObj = new Dictionary<string, Dictionary<string, string>>();
            var layoutFilename = "";
            foreach (XmlNode Relationship in RelationshipArray)
            {
                var RelationshipType = Relationship.GetTextByPath("@Type");

                if (RelationshipType.Value.Equals("http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideLayout"))
                {
                    layoutFilename = Relationship.GetTextByPath("@Target").Value.Replace("../", "/ppt/");
                }
                else
                {
                    //case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/notesSlide":
                    //case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image":
                    //case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart":
                    //case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink":
                    Dictionary<string, string> dict = new Dictionary<string, string>();
                    string Type = Relationship.GetTextByPath("@Type").Value.Replace("http://schemas.openxmlformats.org/officeDocument/2006/relationships/", "");
                    string Target = Relationship.GetTextByPath("@Target").Value.Replace("../", "/ppt/");
                    string Id = Relationship.GetTextByPath("@Id").Value;
                    dict.Add("type", Type);
                    dict.Add("target", Target);
                    slideResObj.Add(Id, dict);
                }
            }
            // Open slideLayoutXX.xml
            var slideLayoutContent = xdoc.GetTextByPath("//pkg:part[@pkg:name='" + layoutFilename + "']");
            NodesTable slideLayoutTables = IndexNodes(slideLayoutContent.GetTextByPath("pkg:xmlData/p:sldLayout"));
            ///ppt/slides/slide5.xml  也包含a:overrideClrMapping
            ////ppt/slideLayouts/slideLayout13.xml  也包含a:overrideClrMapping
            var sldLayoutClrOvr = slideLayoutContent.GetTextByPath("pkg:xmlData/p:sldLayout/p:clrMapOvr/a:overrideClrMapping");
            if (sldLayoutClrOvr != null)
            {
                //获取 overrideClrMapping所有属性节点
                slideLayoutClrOvride = new Dictionary<string, string>() {
                    {  "accent1", sldLayoutClrOvr.GetTextByPath("@accent1").Value},
                    {  "accent2", sldLayoutClrOvr.GetTextByPath("@accent2").Value},
                    {  "accent3", sldLayoutClrOvr.GetTextByPath("@accent3").Value},
                    {  "accent4", sldLayoutClrOvr.GetTextByPath("@accent4").Value},
                    {  "accent5", sldLayoutClrOvr.GetTextByPath("@accent5").Value},
                    {  "accent6", sldLayoutClrOvr.GetTextByPath("@accent6").Value},
                    {  "bg1", sldLayoutClrOvr.GetTextByPath("@bg1").Value},
                    {  "bg2", sldLayoutClrOvr.GetTextByPath("@bg2").Value},
                    {  "folHlink", sldLayoutClrOvr.GetTextByPath("@folHlink").Value},
                    {  "hlink", sldLayoutClrOvr.GetTextByPath("@hlink").Value},
                    {  "tx1", sldLayoutClrOvr.GetTextByPath("@tx1").Value},
                    {  "tx2", sldLayoutClrOvr.GetTextByPath("@tx2").Value}
                };
            }
            // =====< Step 2 >=====
            // Read slide master filename of the slidelayout (Get slideMasterXX.xml)
            // @resName: ppt/slideLayouts/slideLayout1.xml
            // @masterName: ppt/slideLayouts/_rels/slideLayout1.xml.rels
            var slideLayoutResFilename = layoutFilename.Replace("slideLayouts/slideLayout", "slideLayouts/_rels/slideLayout") + ".rels";
            var slideLayoutResContent = xdoc.GetTextByPath("//pkg:part[@pkg:name='" + slideLayoutResFilename + "']");
            ///查看js  是替换之前 还是添加
            RelationshipArray = slideLayoutResContent.GetTextByPathList("pkg:xmlData/rel:Relationships/rel:Relationship");
            var masterFilename = "";
            Dictionary<string, Dictionary<string, string>> layoutResObj = new Dictionary<string, Dictionary<string, string>>();
            for (int i = 0; i < RelationshipArray.Count; i++)
            {
                if (RelationshipArray[i].GetTextByPath("@Type").Value.Equals("http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideMaster"))
                {
                    masterFilename = RelationshipArray[i].GetTextByPath("@Target").Value.Replace("../", "/ppt/");
                }
                else
                {
                    Dictionary<string, string> dict = new Dictionary<string, string>();
                    string Type = RelationshipArray[i].GetTextByPath("@Type").Value.Replace("http://schemas.openxmlformats.org/officeDocument/2006/relationships/", "");
                    string Target = RelationshipArray[i].GetTextByPath("@Target").Value.Replace("../", "/ppt/");
                    string Id = RelationshipArray[i].GetTextByPath("@Id").Value;
                    dict.Add("type", Type);
                    dict.Add("target", Target);
                    layoutResObj.Add(Id, dict);
                }
            }

            // Open slideMasterXX.xml
            var slideMasterContent = xdoc.GetTextByPath("//pkg:part[@pkg:name='" + masterFilename + "']");
            var slideMasterTextStyles = slideMasterContent.GetTextByPath("pkg:xmlData/p:sldMaster/p:txStyles");
            var slideMasterTables = IndexNodes(slideMasterContent.GetTextByPath("pkg:xmlData/p:sldMaster"));
            /////////////////Amir/////////////
            //Open slideMasterXX.xml.rels
            var slideMasterResFilename = masterFilename.Replace("slideMasters/slideMaster", "slideMasters/_rels/slideMaster") + ".rels";
            var slideMasterResContent = xdoc.GetTextByPath("//pkg:part[@pkg:name='" + slideMasterResFilename + "']");
            RelationshipArray = slideMasterResContent.GetTextByPathList("pkg:xmlData/rel:Relationships/rel:Relationship");
            var themeFilename = "";
            Dictionary<string, Dictionary<string, string>> masterResObj = new Dictionary<string, Dictionary<string, string>>();
            for (int i = 0; i < RelationshipArray.Count; i++)
            {
                if (RelationshipArray[i].GetTextByPath("@Type").Value.Equals("http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme"))
                {
                    themeFilename = RelationshipArray[i].GetTextByPath("@Target").Value.Replace("../", "/ppt/");
                }
                else
                {
                    Dictionary<string, string> dict = new Dictionary<string, string>();
                    string Type = RelationshipArray[i].GetTextByPath("@Type").Value.Replace("http://schemas.openxmlformats.org/officeDocument/2006/relationships/", "");
                    string Target = RelationshipArray[i].GetTextByPath("@Target").Value.Replace("../", "/ppt/");
                    string Id = RelationshipArray[i].GetTextByPath("@Id").Value;
                    dict.Add("type", Type);
                    dict.Add("target", Target);
                    masterResObj.Add(Id, dict);
                }
            }
            //Load Theme file
            if (!string.IsNullOrEmpty(themeFilename))
            {
                themeContent = xdoc.GetTextByPath("//pkg:part[@pkg:name='" + themeFilename + "']");
            }
            Console.WriteLine(sldFileName, layoutFilename, masterFilename, themeFilename);
            // =====< Step 3 >===== throw new NotImplementedException();
            var slideContent = xdoc.GetTextByPath("//pkg:part[@pkg:name='" + sldFileName + "']");
            var spTreeNode = slideContent.GetTextByPath("pkg:xmlData/p:sld/p:cSld/p:spTree");
            WarpObj warpObj = new WarpObj
            {
                zip = xdoc,
                slideLayoutTables = slideLayoutTables,
                slideMasterTables = slideMasterTables,
                slideMasterTextStyles = slideMasterTextStyles,
                slideResObj = slideResObj,
                layoutResObj = layoutResObj,
                masterResObj = masterResObj
            };
            var bgColor = GetSlideBackgroundFill(slideContent, slideLayoutContent, slideMasterContent, warpObj);
            var result = "<div class='slide' style='width:" + slideSize.width + "px; height:" + slideSize.height + "px;" + bgColor + "'>";
            //result += "<div>"+getBackgroundShapes(slideContent, slideLayoutContent, slideMasterContent,warpObj) + "</div>" - TODO
            if (spTreeNode != null)
            {
                var nodes = spTreeNode.ChildNodes;
                int order = 1;
                foreach (XmlNode node in nodes)
                {
                    result += ProcessNodesInSlide(node.Name, node , order, warpObj);
                    order += 1;
                }
            }

            return "";
        }

        private async Task<dynamic> ProcessNodesInSlide(string nodeKey, XmlNode node ,int order, WarpObj warpObj)
        {
             dynamic result ="";

            switch (nodeKey)
            {
                case "p:sp":    // Shape, Text
                    result = await ProcessSpNode(node, order, warpObj);
                    break;
                case "p:cxnSp":    // Shape, Text (with connection)
                    result = ProcessCxnSpNode(node, order, warpObj);
                    break;
                case "p:pic":    // Picture
                    result = await ProcessPicNode(node, order, warpObj);
                    break;
                case "p:graphicFrame":    // Chart, Diagram, Table
                    result = ProcessGraphicFrameNode(node, order, warpObj);
                    break;
                case "p:grpSp":
                    result = ProcessGroupSpNode(node, order, warpObj);
                    break;
                case "mc:AlternateContent": //Equations and formulas as Image
                    var mcFallbackNode = node.GetTextByPath("mc:Fallback/p:sp");
                    result = await ProcessSpNode(mcFallbackNode, order, warpObj);
                    break;
                default:
                    break;
            }
            return result;
        }

        private string ProcessGroupSpNode(XmlNode node, int order, WarpObj warpObj)
        {
            var factor = 1.00 * px96 / px914400;

            var xfrmNode = node.GetTextByPath("p:grpSpPr/a:xfrm");
            var x = int.Parse(xfrmNode.GetTextByPath("a:off/@x").Value) * factor;
            var y = int.Parse(xfrmNode.GetTextByPath("a:off/@y").Value) * factor;
            var chx = int.Parse(xfrmNode.GetTextByPath("a:chOff/@x").Value) * factor;
            var chy = int.Parse(xfrmNode.GetTextByPath("a:chOff/@y").Value) * factor;
            var cx = int.Parse(xfrmNode.GetTextByPath("a:ext/@cx").Value) * factor;
            var cy = int.Parse(xfrmNode.GetTextByPath("a:ext/@cy").Value) * factor;
            var chcx = int.Parse(xfrmNode.GetTextByPath("a:chExt/@cx").Value) * factor;
            var chcy = int.Parse(xfrmNode.GetTextByPath("a:chExt/@cy").Value) * factor;
            var result = "<div class='block group' style='z-index: " + order + "; top: " + (y - chy) + "px; left: " + (x - chx) + "px; width: " + (cx - chcx) + "px; height: " + (cy - chcy) + "px;'>";

            // Procsee all child nodes
            var nodes = node.ChildNodes;
            foreach (XmlNode nd in nodes)
            {
                result += ProcessNodesInSlide(nd.Name, nd ,order, warpObj);
                order += 1;
            }

            result += "</div>";

            return result;
        }

        private string ProcessGraphicFrameNode(XmlNode node, int order, WarpObj warpObj)
        {
            var result = "";
            var graphicTypeUri = node.GetTextByPath("a:graphic/a:graphicData/uri");
            if (graphicTypeUri != null) {
                switch (graphicTypeUri.Value)
                {
                    case "http://schemas.openxmlformats.org/drawingml/2006/table":
                        result = GenTable(node, warpObj);
                        break;
                    case "http://schemas.openxmlformats.org/drawingml/2006/chart":
                        result = GenChart(node, warpObj);
                        break;
                    case "http://schemas.openxmlformats.org/drawingml/2006/diagram":
                        result = GenDiagram(node, warpObj);
                        break;
                    default:
                        break;
                }
            }
            

            return result;
        }

        private string GenDiagram(XmlNode node, WarpObj warpObj)
        {
           return "";
        }

        private string GenChart(XmlNode node, WarpObj warpObj)
        {
            return "";
        }

        private string GenTable(XmlNode node, WarpObj warpObj)
        {
            return "";
        }

        private async Task<Media> ProcessPicNode(XmlNode node, int order, WarpObj warpObj)
        {
            var xfrmList = "p:spPr/a:xfrm";
            var xfrmNode = node.GetTextByPath(xfrmList);
            Media media = new Media() { Type= "Pic" };
            var id = node.GetTextByPath("p:nvPicPr/p:cNvPr/@id");
            XmlNode slideLayoutSpNode = GetNodesTable(id, null, null, warpObj, "Layout");
            XmlNode slideMasterSpNode = GetNodesTable(id, null, null, warpObj, "Master");
            XmlNode slideLayoutXfrmNode = null;
            if (slideLayoutSpNode != null)
            {
                slideLayoutXfrmNode = slideLayoutSpNode.GetTextByPath(xfrmList);
            }
            XmlNode slideMasterXfrmNode = null;
            if (slideMasterSpNode != null)
            {
                slideMasterXfrmNode = slideMasterSpNode.GetTextByPath(xfrmList);
            }
            double rotate = 0;
            var rotateNode = node.GetTextByPath("p:spPr/a:xfrm/@rot");
            if (rotateNode != null)
            {
                rotate = AngleToDegrees(rotateNode);
            }
            var w = int.Parse(xfrmNode.GetTextByPath("a:ext/@cx").Value) * px96 / px914400;
            var h = int.Parse(xfrmNode.GetTextByPath("a:ext/@cy").Value) * px96 / px914400;
            Fill fill = await GetShapeFill(node, warpObj);
            media.Fill = fill;
            Border border = GetBorder(node, true, "shape");
            media.Border = border;
            Position position = GetPosition(xfrmNode, slideLayoutXfrmNode, slideMasterXfrmNode);
            media.Position = position;
            position.Cx = w;
            position.Cy = h;
            position.Rot = rotate;
            var rtrnData = "";
            //image
            var rid = node.GetTextByPath("p:blipFill/a:blip/@r:embed");
            if (rid != null) {
                var imgName = warpObj.slideResObj[rid.Value]["target"];
                if (!string.IsNullOrEmpty(imgName)) {
                    var imgData = warpObj.zip.GetTextByPath("//pkg:part[@pkg:name='" + imgName + "']");
                    var imgFileExt = imgData.GetTextByPath("@pkg:contentType");
                    AzureBlobModel imgModel = await SaveBase64ToBolob(imgData.InnerText, imgFileExt.Value, fileShaCode + "/imgs", "");
                    media.Image = imgModel.BlobUrl;
                    media.MediaType = "image";
                }
            }
            ///////////////////////////////////////Amir//////////////////////////////
            //video
            var vdoNode = node.GetTextByPath("p:nvPicPr/p:nvPr/a:videoFile/@r:link");
            if (vdoNode != null)
            {
                string vdoFile = warpObj.slideResObj[vdoNode.Value]["target"];
                if (!string.IsNullOrEmpty(vdoFile)) {
                    var videoData = warpObj.zip.GetTextByPath("//pkg:part[@pkg:name='" + vdoFile + "']");
                    var contentType = videoData.GetTextByPath("@pkg:contentType");
                    AzureBlobModel vdoModel = await SaveBase64ToBolob(videoData.InnerText, contentType.Value, fileShaCode + "/media", "");
                    media.Url = vdoModel.BlobUrl;
                    media.MediaType = "video";
                }
                ///  处理为AzureBlob 上传
                // vdoMimeType = getMimeType(vdoFileExt);
                // blob = new Blob([uInt8Array], {
                // type: vdoMimeType
                // });
                // vdoBlob = URL.createObjectURL(blob);
            }
            //audio
            var audioNode = node.GetTextByPath("p:nvPicPr/p:nvPr/a:audioFile/@r:link");
            //  var audioObjc;
            if (audioNode != null)
            {
                string audioFile = warpObj.slideResObj[audioNode.Value]["target"];
                if (!string.IsNullOrEmpty(audioFile))
                {
                    var audioData = warpObj.zip.GetTextByPath("//pkg:part[@pkg:name='" + audioFile + "']");
                    var contentType = audioData.GetTextByPath("@pkg:contentType");
                    AzureBlobModel adoModel = await SaveBase64ToBolob(audioData.InnerText, contentType.Value, fileShaCode + "/media", "");
                    media.Url = adoModel.BlobUrl;
                    media.MediaType = "audio";
                }
                //uInt8ArrayAudio = zip.file(audioFile).asArrayBuffer();
                //blobAudio = new Blob([uInt8ArrayAudio]);
                //audioBlob = URL.createObjectURL(blobAudio);
                //var cx = parseInt(xfrmNode["a:ext"]["attrs"]["cx"]) * 20;
                //var cy = xfrmNode["a:ext"]["attrs"]["cy"];
                //var x = parseInt(xfrmNode["a:off"]["attrs"]["x"]) / 2.5;
                //var y = xfrmNode["a:off"]["attrs"]["y"];
                //audioObjc = {
                //    "a:ext" : {
                //        "attrs":{
                //            "cx":cx,
                //            "cy":cy
                //        }
                //    },
                //    "a:off":{
                //        "attrs":{
                //            "x":x,
                //            "y":y

                //        }
                //    }
                //}
                //    mediaSupportFlag = true;
            }
            //console.log(node)
            //////////////////////////////////////////////////////////////////////////
            //mimeType = imgFileExt;
            //rtrnData = "<div class='block content' style='" +
            //         (( audioPlayerFlag) ? GetPosition(audioObjc, null, null) : GetPosition(xfrmNode, null, null)) +
            //        ((    audioPlayerFlag) ? GetSize(audioObjc, null, null) :GetSize(xfrmNode, null, null)) +
            //        " z-index: " + order + ";" +
            //        "transform: rotate(" + rotate + "deg);'>";
            //if ((vdoNode ==null && audioNode ==null)  || !mediaSupportFlag)
            //{
            //    rtrnData += "<img src='data:" + mimeType + ";base64," + base64ArrayBuffer(imgArrayBuffer) + "' style='width: 100%; height: 100%'/>";
            //}
            //else if ((vdoNode !=null || audioNode !=null)  && mediaSupportFlag)
            //{
            //    if (vdoNode !=null)
            //    {
            //        rtrnData += "<video  src='" + vdoBlob + "' controls style='width: 100%; height: 100%'>Your browser does not support the video tag.</video>";
            //    }
            //    if (audioNode !=null)
            //    {
            //        rtrnData += "<audio id='audio_player' controls ><source src='" + audioBlob + "'></audio>";
            //    }
            //}
            
                rtrnData += "<span style='color:red;font-size:40px;position: absolute;'>This media file Not supported by HTML5</span>";
             
            //if ((vdoNode != null || audioNode != null) && mediaSupportFlag)
            //{
            //    //console.log("Founded supported media file but media process disabled (mediaProcess=false)");
            //}
            rtrnData += "</div>";
            //console.log(rtrnData)
            return media;
        }

        private async Task<string> ProcessCxnSpNode(XmlNode node, int order, WarpObj warpObj)
        {

            var id = node.GetTextByPath("p:nvCxnSpPr/p:cNvPr/@id");
            var name = node.GetTextByPath("p:nvCxnSpPr/p:cNvPr/@name");
            return  await  GenShape(node, null, null, id, name, null, null, order, warpObj);
        }

        private async Task<string> ProcessSpNode(XmlNode node, int order, WarpObj warpObj)
        {

            /*
           *  958    <xsd:complexType name="CT_GvmlShape">
           *  959   <xsd:sequence>
           *  960     <xsd:element name="nvSpPr" type="CT_GvmlShapeNonVisual"     minOccurs="1" maxOccurs="1"/>
           *  961     <xsd:element name="spPr"   type="CT_ShapeProperties"        minOccurs="1" maxOccurs="1"/>
           *  962     <xsd:element name="txSp"   type="CT_GvmlTextShape"          minOccurs="0" maxOccurs="1"/>
           *  963     <xsd:element name="style"  type="CT_ShapeStyle"             minOccurs="0" maxOccurs="1"/>
           *  964     <xsd:element name="extLst" type="CT_OfficeArtExtensionList" minOccurs="0" maxOccurs="1"/>
           *  965   </xsd:sequence>
           *  966 </xsd:complexType>
           */

            var id = node.GetTextByPath("p:nvSpPr/p:cNvPr/@id");
            var name = node.GetTextByPath("p:nvSpPr/p:cNvPr/@name");
            var idx = node.GetTextByPath("p:nvSpPr/p:nvPr/p:ph/@idx");
            var type = node.GetTextByPath("p:nvSpPr/p:nvPr/p:ph/@type");
          
            XmlNode slideLayoutSpNode = GetNodesTable(id,idx,type,warpObj, "Layout");
            XmlNode slideMasterSpNode = GetNodesTable(id, idx, type, warpObj, "Master");
            if (type == null)
            {

                if (slideLayoutSpNode != null)
                {
                    type = slideLayoutSpNode.GetTextByPath("p:nvSpPr/p:nvPr/p:ph/@type");
                }
                // type = slideLayoutSpNode.TryGetValue"p:nvSpPr", "p:nvPr", "p:ph", "attrs", "type"]);
                if (type == null)
                {
                    if (slideMasterSpNode != null)
                    {
                        type = slideMasterSpNode.GetTextByPath("p:nvSpPr/p:nvPr/p:ph/@type");
                    }
                    // type = getTextByPathList(slideMasterSpNode, ["p:nvSpPr", "p:nvPr", "p:ph", "attrs", "type"]);
                }
            }
            string s = await GenShape(node, slideLayoutSpNode, slideMasterSpNode, id, name, idx, type, order, warpObj);
           return "";
        }
        public XmlNode GetNodesTable(XmlNode id , XmlNode idx,XmlNode type  , WarpObj warpObj ,string LayoutOrMaster)
        {
            XmlNode resNode = null;
            if (resNode == null)
            {
                if (type != null)
                {
                    if (LayoutOrMaster.Equals("Layout")) {
                        if (warpObj.slideLayoutTables.typeTable.TryGetValue(type.Value, out XmlNode LayoutNode))
                        {
                           // LayoutNode.TryGetValue(type.Value, out XmlNode node);
                            resNode = LayoutNode;
                        };
                    }
                    if (LayoutOrMaster.Equals("Master"))
                    {
                        if (warpObj.slideMasterTables.typeTable.TryGetValue(type.Value, out   XmlNode  MasterNode))
                        {
                           // MasterNode.TryGetValue(type.Value, out XmlNode node);
                            resNode = MasterNode;
                        };
                    }
                }
            }
            if (resNode == null) {
                if (idx != null)
                {
                    if (LayoutOrMaster.Equals("Layout"))
                    {
                        if (warpObj.slideLayoutTables.idxTable.TryGetValue(idx.Value, out   XmlNode  LayoutNode))
                        {
                            //LayoutNode.TryGetValue(idx.Value, out XmlNode node);
                            resNode = LayoutNode;
                        };
                    }
                    if (LayoutOrMaster.Equals("Master"))
                    {
                        if (warpObj.slideMasterTables.idxTable.TryGetValue(idx.Value, out   XmlNode  MasterNode))
                        {
                           // LayoutNode.TryGetValue(idx.Value, out XmlNode node);
                            resNode = MasterNode;
                        };
                    }
                }
            }
            if (resNode == null)
            {
                if (id != null)
                {
                    if (LayoutOrMaster.Equals("Layout"))
                    {
                        if (warpObj.slideLayoutTables.idTable.TryGetValue(id.Value,out  XmlNode  LayoutNode))
                        {
                          //  LayoutNode.TryGetValue(id.Value, out XmlNode node);
                            resNode = LayoutNode;
                        };
                    }
                    if (LayoutOrMaster.Equals("Master"))
                    {
                        if (warpObj.slideMasterTables.idTable.TryGetValue(id.Value, out   XmlNode  MasterNode))
                        {
                          //  LayoutNode.TryGetValue(id.Value, out XmlNode node);
                            resNode = MasterNode;
                        };
                    }
                }
                else
                {
                    resNode = null;
                }
            }
            return resNode;
        }
        private async Task<string> GenShape(XmlNode node, XmlNode slideLayoutSpNode, XmlNode slideMasterSpNode, XmlNode id, XmlNode name, XmlNode idx, XmlNode type, int order, WarpObj warpObj)
        {
            var xfrmList = "p:spPr/a:xfrm";
            var slideXfrmNode = node.GetTextByPath(xfrmList);
            XmlNode slideLayoutXfrmNode = null;
            if (slideLayoutSpNode != null)
            {
                slideLayoutXfrmNode = slideLayoutSpNode.GetTextByPath(xfrmList);
            }
            XmlNode slideMasterXfrmNode = null;
            if (slideMasterSpNode != null)
            {
                slideMasterXfrmNode = slideMasterSpNode.GetTextByPath(xfrmList);
            }
            if (slideXfrmNode == null) {
                slideXfrmNode = slideLayoutXfrmNode;
            }
            if (slideXfrmNode == null) {
                slideXfrmNode = slideMasterXfrmNode;
            }
            var result = "";
            var shpId = node.GetTextByPath("/@order");
            var shapType = node.GetTextByPath("p:spPr/a:prstGeom/@prst");
            var custShapType = node.GetTextByPath("p:spPr/a:custGeom");

            var isFlipV = 0;
            var isFlipH = 0;
            if (slideXfrmNode.GetTextByPath("@flipV") != null && slideXfrmNode.GetTextByPath("@flipV").Value == "1")
            {//   if ( getTextByPathList(slideXfrmNode, ["attrs", "flipV"]) === "1" || getTextByPathList(slideXfrmNode, ["attrs", "flipH"]) === "1")
                isFlipV = 1;
            }
            if (slideXfrmNode.GetTextByPath("@flipH") != null && slideXfrmNode.GetTextByPath("@flipH").Value == "1")
            {
                isFlipH = 1;
            }
            //rotate
            var rotate = AngleToDegrees(slideXfrmNode.GetTextByPath("@rot"));

            //console.log("rotate: "+rotate);
            double txtRotate;
            var txtXframeNode = node.GetTextByPath("p:txXfrm/@rot");
            if (txtXframeNode != null)
            {
                txtRotate = AngleToDegrees(txtXframeNode) + 90;
            }
            else
            {
                txtRotate = rotate;
            }
            if (shapType != null || custShapType != null)
            {


                var x = int.Parse(slideXfrmNode.GetTextByPath("a:off/@x").Value) * px96 / px914400;
                var y = int.Parse(slideXfrmNode.GetTextByPath("a:off/@y").Value) * px96 / px914400;
                var w = int.Parse(slideXfrmNode.GetTextByPath("a:ext/@cx").Value) * px96 / px914400;
                var h = int.Parse(slideXfrmNode.GetTextByPath("a:ext/@cy").Value) * px96 / px914400;
                Position position = GetPosition(slideXfrmNode, null, null);
                position.Cx = w;
                position.Cy = h;
                position.Rot = rotate;
                position.FlipH = isFlipH;
                position.FlipV = isFlipV;

                //result += "<svg class='drawing' _id='" + id + "' _idx='" + idx + "' _type='" + type + "' _name='" + name +
                //        "' style='" +
                //            getPosition(slideXfrmNode, null, null) +
                //            getSize(slideXfrmNode, null, null) +
                //            " z-index: " + order + ";" +
                //            "transform: rotate(" + rotate + "deg);" +
                //            "'>";
                //result += "<defs>";
                // Fill Color
                var Fill = await GetShapeFill(node, warpObj);
                var grndFillFlg = false;
                var imgFillFlg = false;
                var clrFillType = GetFillType(node.GetTextByPath("p:spPr"));
                /////////////////////////////////////////                    
                if (clrFillType == "GRADIENT_FILL")
                {
                    grndFillFlg = true;
                    var color_arry = Fill.gradColor;
                    var angl = Fill.Rot;

                    var svgGrdnt = GetSvgGradient(w, h, angl, color_arry, shpId);
                    //fill="url(#linGrd)"
                    result += svgGrdnt;
                }
                else if (clrFillType == "PIC_FILL")
                {
                    imgFillFlg = true;
                    var svgBgImg = GetSvgImagePattern(Fill.Image, shpId.Value);
                    //fill="url(#imgPtrn)"
                    //console.log(svgBgImg)
                    result += svgBgImg;
                }
                else
                {
                    if (clrFillType != "SOLID_FILL" && clrFillType != "PATTERN_FILL" &&
                    (shapType.Value == "arc" ||
                    shapType.Value == "bracketPair" ||
                    shapType.Value == "bracePair" ||
                    shapType.Value == "leftBracket" ||
                    shapType.Value == "leftBrace" ||
                    shapType.Value == "rightBrace" ||
                    shapType.Value == "rightBracket"))
                    { //Temp. solution  - TODO
                        Fill.HtmlText = "none";
                    }
                }
                // Border Color
                var border = GetBorder(node, true, "shape");

                var headEndNodeAttrs = node.GetTextByPath("p:spPr/a:ln/a:headEnd");
                var tailEndNodeAttrs = node.GetTextByPath("p:spPr/a:ln/a:tailEnd");
                // type: none, triangle, stealth, diamond, oval, arrow

                if ((headEndNodeAttrs != null && (headEndNodeAttrs.GetTextByPath("@type").Value == "triangle" || (headEndNodeAttrs.GetTextByPath("@type").Value == "arrow")) ||
                    (tailEndNodeAttrs != null && (tailEndNodeAttrs.GetTextByPath("@type").Value == "triangle" || (tailEndNodeAttrs.GetTextByPath("@type").Value == "arrow")))))
                {
                    var triangleMarker = "<marker id='markerTriangle_" + shpId + "' viewBox='0 0 10 10' refX='1' refY='5' markerWidth='5' markerHeight='5' stroke='" + border.Color + "' fill='" + border.Color +
                                    "' orient='auto-start-reverse' markerUnits='strokeWidth'><path d='M 0 0 L 10 5 L 0 10 z' /></marker>";
                    result += triangleMarker;
                }
                result += "</defs>";
            }
            return "";
        }
        public Border GetBorder(XmlNode node, bool isSvgMode, string bType)
        {

            Border border = new Border();
            string cssText = "";
            XmlNode lineNode = null;
            if (bType == "shape")
            {
                cssText = "border: ";
                lineNode = PowerPointHelper.GetTextByPath(node, "p:spPr/a:ln");// node["p:spPr"]["a:ln"];
            }
            else if (bType == "text")
            {
                cssText = "";
                lineNode = PowerPointHelper.GetTextByPath(node, "a:rPr/a:ln");// node["a:rPr"]["a:ln"];

            }
            if (lineNode == null) {
                return null; 
            }
            // Border width: 1pt = 12700, default = 0.75pt
            var borderWidth = int.Parse(PowerPointHelper.GetTextByPath(lineNode, "@w").Value) / 12700;
            if (PowerPointHelper.GetTextByPath(lineNode, "@w") != null || borderWidth < 1)
            {
                cssText += "1pt ";
            }
            else
            {
                cssText += borderWidth + "pt ";
            }
            // Border type
            var borderType = PowerPointHelper.GetTextByPath(lineNode, "a:prstDash/@val").Value;
            var strokeDasharray = "0";
            switch (borderType)
            {
                case "solid":
                    cssText += "solid";
                    strokeDasharray = "0";
                    break;
                case "dash":
                    cssText += "dashed";
                    strokeDasharray = "5";
                    break;
                case "dashDot":
                    cssText += "dashed";
                    strokeDasharray = "5, 5, 1, 5";
                    break;
                case "dot":
                    cssText += "dotted";
                    strokeDasharray = "1, 5";
                    break;
                case "lgDash":
                    cssText += "dashed";
                    strokeDasharray = "10, 5";
                    break;
                case "lgDashDotDot":
                    cssText += "dashed";
                    strokeDasharray = "10, 5, 1, 5, 1, 5";
                    break;
                case "sysDash":
                    cssText += "dashed";
                    strokeDasharray = "5, 2";
                    break;
                case "sysDashDot":
                    cssText += "dashed";
                    strokeDasharray = "5, 2, 1, 5";
                    break;
                case "sysDashDotDot":
                    cssText += "dashed";
                    strokeDasharray = "5, 2, 1, 5, 1, 5";
                    break;
                case "sysDot":
                    cssText += "dotted";
                    strokeDasharray = "2, 5";
                    break;
                case null:
                //console.log(borderType);
                default:
                    cssText += "solid";
                    strokeDasharray = "0";
                    break;
            }
            // Border color
            var borderColor = PowerPointHelper.GetTextByPath(lineNode, "a:solidFill/:srgbClr/@val").Value;
            if (borderColor == null)
            {
                var schemeClrNode = PowerPointHelper.GetTextByPathList(lineNode, "a:solidFill/a:schemeClr");
                if (schemeClrNode != null)
                {
                    var schemeClr = PowerPointHelper.GetTextByPath(lineNode, "a:solidFill/a:schemeClr/@val");
                    borderColor = GetSchemeColorFromTheme(schemeClr.Value, null);
                }
            }

            // 2. drawingML namespace
            if (borderColor == null)
            {
                var schemeClrNode = PowerPointHelper.GetTextByPathList(node, "p:style/a:lnRef/a:schemeClr");
                if (schemeClrNode != null)
                {
                    var schemeClr = PowerPointHelper.GetTextByPath(node, "p:style/a:lnRef/a:schemeClr/@val");
                    borderColor = GetSchemeColorFromTheme(schemeClr.Value, null);
                }
                if (borderColor != null)
                {
                    var shade = PowerPointHelper.GetTextByPath(node, "p:style/a:lnRef/a:schemeClr/a:shade/@val").Value;
                    if (shade != null)
                    {
                        int shaded = int.Parse(shade) / 100000;
                        var color = ColorTranslator.FromHtml("#" + borderColor);
                        ColorHSL colorHSL = ColorHelper.RgbToHsl(new ColorRGB(color.R, color.G, color.B));
                        colorHSL.L = colorHSL.L * shaded;
                        ColorRGB colorRGB = colorHSL.HslToRgb();
                        borderColor = ColorTranslator.ToHtml(Color.FromArgb(colorRGB.R, colorRGB.G, colorRGB.B));
                        // borderColor = color.hex.replace("#", "");
                    }
                }

            }

            if (borderColor == null)
            {
                if (isSvgMode)
                {
                    borderColor = "none";
                }
                else
                {
                    borderColor = "#000";
                }
            }
            else
            {
                borderColor = "#" + borderColor;

            }
            cssText += " " + borderColor + " ";


            if (isSvgMode)
            {
                return new Border { Color = borderColor, Width = borderWidth, Type = borderType, Stroke = strokeDasharray };
            }
            else
            {
                return border;
            }
        }

        public   string GetSvgImagePattern(string fillColor, string shpId)
        {
            var ptrn = "<pattern id=\"imgPtrn_" + shpId + "\"patternContentUnits=\"objectBoundingBox\"  width=\"1\" height=\"1\">";// '<pattern id="imgPtrn_' + shpId + '"  patternContentUnits="objectBoundingBox"  width="1" height="1">';
            ptrn += "<image  xlink:href=\"" + fillColor + "\"preserveAspectRatio=\"none\" width=\"1\" height=\"1\"></image>";// '<image  xlink:href="' + fillColor + '" preserveAspectRatio="none" width="1" height="1"></image>';
            ptrn += "</pattern>";// '';
            return ptrn;
        }
        private string GetSvgGradient(double w, double h, double angl, List<string> color_arry, XmlNode shpId)
        {

            var stopsArray = GetMiddleStops(color_arry.Count - 2);

            var svgAngle = "";
            double svgHeight = h;
            double svgWidth = w;
            string svg = "";
            List<double> xy_ary = SVGangle(angl, svgHeight, svgWidth);
            double x1 = xy_ary[0];
            double y1 = xy_ary[1];
            double x2 = xy_ary[2];
            double y2 = xy_ary[3];

            var sal = stopsArray.Count;
            double sr = sal < 20 ? 100 : 1000;
            svgAngle = " gradientUnits=\"userSpaceOnUse\" x1=\"" + x1 + "%\" y1=\"" + y1 + "%\" x2=\"" + x2 + "%\" y2=\"" + y2 + "%\"";
            svgAngle = "<linearGradient id=\"linGrd_" + shpId + "\"" + svgAngle + ">\n";
            svg += svgAngle;

            for (var i = 0; i < sal; i++)
            {
                svg += "<stop offset=\"" + (System.Math.Round(double.Parse(stopsArray[i])) / 100 * sr) / sr + "\" stop-color=\"" + color_arry[i] + "\"";
                svg += "/>\n";
            }

            svg += "</linearGradient>\n" + "";

            return svg;
        }

        private List<string> GetMiddleStops(int s)
        {
            var sArry = new List<string> { "0%" };


            if (s == 0)
            {
                return sArry;
            }
            else
            {
                for (int i = s; i < 0; i--)
                {
                    var middleStop = 100 - ((100 / (s + 1)) * (i + 1)); // AM: Ex - For 3 middle stops, progression will be 25%, 50%, and 75%, plus 0% and 100% at the ends.
                    var middleStopString = middleStop + "%";

                    sArry.Add(middleStopString);
                    //  sArry.splice(-1, 0, middleStopString);

                }
                // AM: add into stopsArray before 100%
            }
            sArry.Add("100%");
            return sArry;
        }
        public async Task<Fill> GetShapeFill(XmlNode node, WarpObj warpObj)
        {

            // 1. presentationML
            // p:spPr/ [a:noFill, solidFill, gradFill, blipFill, pattFill, grpFill]
            // From slide
            //Fill Type:
            //console.log("ShapeFill: ", node)
            var fillType = GetFillType(PowerPointHelper.GetTextByPath(node, "p:spPr"));
            Fill fill = new Fill();
            if (fillType == "NO_FILL")
            {
                fill.SvgText = "node";
                fill.Type = 0;
                fill.HtmlText = "background-color: initial;";
                return fill;
                //return isSvgMode ? "none" : "background-color: initial;";
            }
            else if (fillType == "SOLID_FILL")
            {
                XmlNode shpFill = PowerPointHelper.GetTextByPath(node, "p:spPr/a:solidFill");// node["p:spPr"]["a:solidFill"];
                fill = GetSolidFill(shpFill);
            }
            else if (fillType == "GRADIENT_FILL")
            {
                var shpFill = PowerPointHelper.GetTextByPath(node, "p:spPr/a:gradFill");// node["p:spPr"]["a:gradFill"];
                // fillColor = GetSolidFill(shpFill);
                fill = GetGradientFill(shpFill);
                //console.log("shpFill",shpFill,grndColor.color)
            }
            else if (fillType == "PATTERN_FILL")
            {
                var shpFill = PowerPointHelper.GetTextByPath(node, "p:spPr/a:pattFill");// node["p:spPr"]["a:pattFill"];
                fill = GetPatternFill(shpFill);
            }
            else if (fillType == "PIC_FILL")
            {
                var shpFill = PowerPointHelper.GetTextByPath(node, "p:spPr/a:blipFill"); //node["p:spPr"]["a:blipFill"];
                fill = await GetPicFill("slideBg", shpFill, warpObj);
            }


            // 2. drawingML namespace
            if (fill == null)
            {
                var clrName = PowerPointHelper.GetTextByPath(node, "p:style/a:fillRef");
                fill = GetSolidFill(clrName);
            }

            if (fill != null)
            {
                if (fillType == "GRADIENT_FILL")
                {
                    //if (isSvgMode)
                    //{
                    //    // console.log("GRADIENT_FILL color", fillColor.color[0])
                    //    return fill;
                    //}
                    //else
                    //{
                    var colorAry = fill.Color;
                    var rot = fill.Rot;

                    var bgcolor = "background: linear-gradient(" + rot + "deg,";
                    for (var i = 0; i < colorAry.Length; i++)
                    {
                        if (i == colorAry.Length - 1)
                        {
                            bgcolor += colorAry[i] + ");";
                        }
                        else
                        {
                            bgcolor += colorAry[i] + ", ";
                        }

                    }
                    fill.HtmlText = bgcolor;
                    return fill;
                    // }
                }
                else if (fillType == "PIC_FILL")
                {
                    //if (isSvgMode)
                    //{
                    //    return fill;
                    //}
                    //else
                    //{
                    fill.HtmlText = "background-image:url(" + fill.Image + ");";
                    return fill;
                    // }
                }
                else
                {
                    Console.WriteLine("#" + fill.Color);
                    //if (isSvgMode)
                    //{
                    //   var color = new colz.Color(fill);
                    // fill = color.rgb.toString();
                    fill.HtmlText = "background-color: #" + fill.Color + ";";
                    return fill;
                    //}
                    //else
                    //{
                    //    //console.log(node,"fillColor: ",fillColor,"fillType: ",fillType,"isSvgMode: ",isSvgMode)
                    //    return fill;
                    //}
                }
            }
            else
            {
                //if (isSvgMode)
                //{
                //    return fill;
                //}
                //else
                //{
                fill.SvgText = "none";
                fill.HtmlText = "background-color: initial;";
                return fill;
                // }

            }
        }
        private  List<double> SVGangle(double deg, double svgHeight, double svgWidth)
        {
            double w = svgWidth;
            double h = svgHeight;
            double ang = deg;
            double o = 2;
            double n = 2;
            double wc = w / 2;
            double hc = h / 2;
            double tx1 = 2;
            double ty1 = 2;
            double tx2 = 2;
            double ty2 = 2;
            double k = (((ang % 360) + 360) % 360);
            double j = (360 - k) * System.Math.PI / 180;
            double i = System.Math.Tan(j);
            double l = hc - i * wc;

            if (k == 0)
            {
                tx1 = w;
                ty1 = hc;
                tx2 = 0;
                ty2 = hc;
            }
            else if (k < 90)
            {
                n = w;
                o = 0;
            }
            else if (k == 90)
            {
                tx1 = wc;
                ty1 = 0;
                tx2 = wc;
                ty2 = h;
            }
            else if (k < 180)
            {
                n = 0;
                o = 0;
            }
            else if (k == 180)
            {
                tx1 = 0;
                ty1 = hc;
                tx2 = w;
                ty2 = hc;
            }
            else if (k < 270)
            {
                n = 0;
                o = h;
            }
            else if (k == 270)
            {
                tx1 = wc;
                ty1 = h;
                tx2 = wc;
                ty2 = 0;
            }
            else
            {
                n = w;
                o = h;
            }
            // AM: I could not quite figure out what m, n, and o are supposed to represent from the original code on visualcsstools.com.
            var m = o + (n / i);
            tx1 = tx1 == 2 ? i * (m - l) / (System.Math.Pow(i, 2) + 1) : tx1;
            ty1 = ty1 == 2 ? i * tx1 + l : ty1;
            tx2 = tx2 == 2 ? w - tx1 : tx2;
            ty2 = ty2 == 2 ? h - ty1 : ty2;
            double x1 = System.Math.Round(tx2 / w * 100 * 100) / 100;
            double y1 = System.Math.Round(ty2 / h * 100 * 100) / 100;
            double x2 = System.Math.Round(tx1 / w * 100 * 100) / 100;
            double y2 = System.Math.Round(ty1 / h * 100 * 100) / 100;
            return new List<double> { x1, y1, x2, y2 };
        }
        private Fill GetPatternFill(XmlNode node)
        {
            Fill fill = new Fill { Type = 4 };
            var fgClr = PowerPointHelper.GetTextByPath(node, "a:fgClr");
            fill = GetSolidFill(fgClr);
            return fill;
        }
        private Fill GetGradientFill(XmlNode node)
        {

            XmlNodeList gsLst = PowerPointHelper.GetTextByPathList(node, "a:gsLst/a:gs");// node["a:gsLst"]["a:gs"];
            //get start color
            var color_ary = new List<string>();
            var tint_ary = new string[] { };
            for (int i = 0; i < gsLst.Count; i++)
            {
                var lo_color = GetSolidFill(gsLst[i]);
                if (gsLst[i].GetTextByPath("a:srgbClr") != null)
                {
                    //var mod = PowerPointHelper.GetTextByPath(gsLst[i], "a:srgbClr/a:lumMod/@val");
                    //var off = PowerPointHelper.GetTextByPath(gsLst[i], "a:srgbClr/a:lumOff/@val");
                    //double lumMod = 1.0;
                    //double lumOff = 1.0;
                    //if (mod!=null)
                    //{
                    //    lumMod = double.Parse(mod.Value) /100000;
                    //}
                    //if (off!=null)
                    //{
                    //    lumOff = double.Parse(off.Value) / 100000;
                    //}
                    //console.log([lumMod, lumOff]);
                    lo_color.Color = PowerPointHelper.ColorToning(gsLst[i].OuterXml, lo_color.Color);
                    //  lo_color = ApplyLumModify(lo_color, lumMod, lumOff);
                }
                else if (gsLst[i].GetTextByPath("a:schemeClr") != null)
                {
                    //a:schemeClr
                    //var mod = PowerPointHelper.GetTextByPath(gsLst[i], "a:schemeClr/a:lumMod/@val");
                    //var off = PowerPointHelper.GetTextByPath(gsLst[i], "a:schemeClr/a:lumOff/@val");
                    //double lumMod = 1.0;
                    //double lumOff = 1.0;
                    //if (mod != null)
                    //{
                    //    lumMod = double.Parse(mod.Value) / 100000;
                    //}
                    //if (off != null)
                    //{
                    //    lumOff = double.Parse(off.Value) / 100000;
                    //}
                    //console.log([lumMod, lumOff]);

                    lo_color.Color = PowerPointHelper.ColorToning(gsLst[i].OuterXml, lo_color.Color);
                    //  lo_color = ApplyLumModify(lo_color, lumMod, lumOff);
                }
                color_ary.Add(lo_color.Color);
            }
            //get rot
            var lin = PowerPointHelper.GetTextByPathList(node, "a:lin");// node["a:lin"];
            double rot = 0;
            if (lin != null)
            {
                rot = AngleToDegrees(PowerPointHelper.GetTextByPath(node, "a:lin/@ang")) + 90;
            }
            return new Fill()
            {
                Type = 2,
                gradColor = color_ary,
                Rot = rot
            };
        }
        //private static Fill ApplyLumModify(Fill rgbStr, double factor, double offset)
        //{
        //    Color color = ColorTranslator.FromHtml("#" + "1CADE4");
        //    ColorRGB  RGB = new ColorRGB(color.R,color.G,color.B);
        //    ColorHSL  HSL=  ColorHelper.RgbToHsl(RGB);
        //    HSL.L= HSL.L * (1 + offset);
        //    RGB = ColorHelper.HslToRgb(HSL);
        //    color= Color.FromArgb(RGB.R, RGB.G, RGB.B);
        //    rgbStr.Color=ColorTranslator.ToHtml(color).Replace("#","");
        //    return rgbStr;
        //}
        public  Position GetPosition(XmlNode slideXfrmNode, XmlNode slideLayoutXfrmNode, XmlNode slideMasterXfrmNode)
        {

            XmlNode off = null;
            double x, y;

            if (slideXfrmNode != null)
            {
                off = PowerPointHelper.GetTextByPath(slideXfrmNode, "a:off");
            }
            else if (slideLayoutXfrmNode != null)
            {
                off = PowerPointHelper.GetTextByPath(slideLayoutXfrmNode, "a:off");
            }
            else if (slideMasterXfrmNode != null)
            {
                off = PowerPointHelper.GetTextByPath(slideMasterXfrmNode, "a:off");
            }
            x = double.Parse(PowerPointHelper.GetTextByPath(off, "@x").Value) * px96 / px914400;
            y = double.Parse(PowerPointHelper.GetTextByPath(off, "@y").Value) * px96 / px914400;
            return new Position()
            {
                X = x,
                Y = y
            };

            //if (off == null)
            //{
            //    return "";
            //}
            //else
            //{


            //    //  return (IsNaN(x) || IsNaN(y)) ? "" : "top:" + y + "px; left:" + x + "px;";
            //}

        }
        private double AngleToDegrees(XmlNode angle)
        {
            if (angle == null)
            {
                return 0;
            }
            return  double.Parse(angle.Value) / 60000.00;
        }
        private Fill GetSlideBackgroundFill(XmlNode slideContent, XmlNode slideLayoutContent, XmlNode slideMasterContent, WarpObj warpObj)
        {
            var bgPr = slideContent.GetTextByPath("p:sld/p:cSld/p:bg/p:bgPr");
            var bgRef = slideContent.GetTextByPath("p:sld/p:cSld/p:bg/p:bgRef");
            var bgcolor = "";

            if (bgPr != null)
            {
                var bgFillTyp = GetFillType(bgPr);
                if (bgFillTyp == "SOLID_FILL")
                {
                    var sldFill = bgPr.GetTextByPath("a:solidFill");
                    var bgColor = GetSolidFill(sldFill);
                    var sldTint = GetColorOpacity(sldFill);
                    bgcolor = "background: rgba(" + HexToRgbNew(bgColor.Color) + "," + sldTint + ");";

                }
                else if (bgFillTyp == "GRADIENT_FILL")
                {
                    bgcolor = GetBgGradientFill(bgPr, null, slideMasterContent);
                }
                else if (bgFillTyp == "PIC_FILL")
                {
                    bgcolor = GetBgPicFill(bgPr, "slideBg", warpObj);

                }
            }
            else if (bgRef != null)
            {

            }
            else
            {

            }
            return null;
        }
        private string GetBgPicFill(XmlNode bgPr, string sorce, WarpObj warpObj)
        {
            string bgcolor;
            var picFillBase64 = GetPicFill(sorce, bgPr.GetTextByPath("a:blipFill"), warpObj);
            var ordr = bgPr["attrs"]["order"];
            //a:srcRect
            //a:stretch => a:fillRect =>attrs (l:-17000, r:-17000)
            bgcolor = "background-image: url(" + picFillBase64 + ");  z-index: " + ordr + ";";
            return bgcolor;
        }

        private async Task<Fill> GetPicFill(string type, XmlNode node, WarpObj warpObj)
        {

            //Need to test/////////////////////////////////////////////
            //rId
            //TODO - Image Properties - Tile, Stretch, or Display Portion of Image
            //(http://officeopenxml.com/drwPic-tile.php)
            //   var img = "";
            var rId = PowerPointHelper.GetTextByPath(node, "a:blip/@r:embed");//node["a:blip"]["attrs"]["r:embed"];
            Dictionary<string, string> imgPath = new Dictionary<string, string>();
            if (type == "slideBg")
            {
                imgPath = warpObj.slideResObj[rId.Value];
            }
            else if (type == "layoutBg")
            {
                imgPath = warpObj.layoutResObj[rId.Value];
            }
            else if (type == "masterBg")
            {
                imgPath = warpObj.masterResObj[rId.Value];
            }
            if (imgPath == null)
            {
                return null;
            }
            //var imgExt = imgPath["type"];
            //if (imgExt == "xml")
            //{
            //    return null;
            //}

            var imgData = warpObj.zip.GetTextByPath("//pkg:part[@pkg:name='" + imgPath["target"] + "']");

            if (imgData != null)
            {
                AzureBlobModel model = await SaveBase64ToBolob(imgData.InnerText, imgData.GetTextByPath("@pkg:contentType").Value,
                    fileShaCode + "/imgs", null);
                return new Fill { Type = 3, Image = model.BlobUrl };
            }
            else { return null; }

            //  var imgArrayBuffer = warpObj.zip.GetTextByPath(imgPath).Value.asArrayBuffer();
            //var imgMimeType = GetMimeType(imgExt);
            //img = "data:" + imgMimeType + ";base64," + base64ArrayBuffer(imgArrayBuffer);


        }

        private string GetBgGradientFill(XmlNode bgPr, XmlNode phClr, XmlNode slideMasterContent)
        {
            var bgcolor = "";
            if (bgPr != null)
            {
                var grdFill = bgPr.GetTextByPath("a:gradFill");
                var gsLst = grdFill.GetTextByPathList("a:gsLst/a:gs");
                // var startColorNode, endColorNode;
                var color_ary = new List<string>();
                var tint_ary = new List<int>();
                for (var i = 0; i < gsLst.Count; i++)
                {
                    var lo_tint = "";
                    var lo_color = "";
                    if (gsLst[i]["a:srgbClr"] != null)
                    {
                        if (phClr == null)
                        {
                            lo_color = gsLst[i].GetTextByPath("a:srgbClr/@val").Value; //#...
                        }
                        lo_tint = gsLst[i].GetTextByPath("a:srgbClr/a:tint/@val").Value;
                    }
                    else if (gsLst[i]["a:schemeClr"] != null)
                    { //a:schemeClr
                        if (phClr == null)
                        {
                            var schemeClr = gsLst[i].GetTextByPath("a:schemeClr/@val");
                            lo_color = GetSchemeColorFromTheme("a:" + schemeClr, slideMasterContent); //#...
                        }
                        lo_tint = gsLst[i].GetTextByPath("a:schemeClr/a:tint/@val").Value;
                        //console.log("schemeClr",schemeClr,slideMasterContent)
                    }
                    //console.log("lo_color",lo_color)
                    color_ary[i] = lo_color;
                    tint_ary[i] = (lo_tint != null) ? int.Parse(lo_tint) / 100000 : 1;
                }
                //get rot
                var lin = grdFill["a:lin"];
                var rot = 90.0;
                if (lin != null)
                {
                    rot = AngleToDegrees(lin.GetTextByPath("@ang")) + 90;
                }
                bgcolor = "background: linear-gradient(" + rot + "deg,";
                for (var i = 0; i < gsLst.Count; i++)
                {
                    if (i == gsLst.Count - 1)
                    {
                        if (phClr == null)
                        {
                            bgcolor += "rgba(" + HexToRgbNew(color_ary[i]) + "," + tint_ary[i] + ")" + ");";
                        }
                        else
                        {
                            bgcolor += "rgba(" + HexToRgbNew(phClr.Value) + "," + tint_ary[i] + ")" + ");";
                        }
                    }
                    else
                    {
                        if (phClr == null)
                        {
                            bgcolor += "rgba(" + HexToRgbNew(color_ary[i]) + "," + tint_ary[i] + ")" + ", ";
                        }
                        else
                        {
                            bgcolor += "rgba(" + HexToRgbNew(phClr.Value) + "," + tint_ary[i] + ")" + ", ";
                        }
                    }
                }
            }
            else
            {
                if (phClr == null)
                {
                    bgcolor = "rgba(" + HexToRgbNew(phClr.Value) + ",0);";
                }
            }
            return bgcolor;
        }

        private string HexToRgbNew(string bgColor)
        {
            //var arrBuff = new ArrayBuffer(4);
            //var vw = new DataView(arrBuff);
            //vw.setUint32(0, parseInt(hex, 16), false);
            //var arrByte = new Uint8Array(arrBuff);
            int r = Convert.ToInt32("0x" + bgColor.Substring(0, 2), 16);
            int g = Convert.ToInt32("0x" + bgColor.Substring(2, 2), 16);
            int b = Convert.ToInt32("0x" + bgColor.Substring(4, 2), 16);
            return r + "," + g + "," + b;
        }

        private double GetColorOpacity(XmlNode solidFill)
        {
            double opcity = 1;
            if (solidFill == null)
            {
                return opcity;
            }
            if (solidFill.GetTextByPath("a:srgbClr") != null)
            {
                var tint = solidFill.GetTextByPath("a:srgbClr/a:tint/@val");
                if (tint != null)
                {
                    opcity = double.Parse(tint.Value) / 100000;
                }
            }
            else if (solidFill.GetTextByPath("a:schemeClr") != null)
            {
                var tint = solidFill.GetTextByPath("a:schemeClr/a:tint/@val");
                if (tint != null)
                {
                    opcity = double.Parse(tint.Value) / 100000;
                }
            }
            else if (solidFill.GetTextByPath("a:scrgbClr") != null)
            {
                var tint = solidFill.GetTextByPath("a:scrgbClr/a:tint/@val");
                if (tint != null)
                {
                    opcity = double.Parse(tint.Value) / 100000;
                }

            }
            else if (solidFill.GetTextByPath("a:prstClr") != null)
            {
                var tint = solidFill.GetTextByPath("a:prstClr/a:tint/@val");
                if (tint != null)
                {
                    opcity = double.Parse(tint.Value) / 100000;
                }
            }
            else if (solidFill.GetTextByPath("a:hslClr") != null)
            {
                var tint = solidFill.GetTextByPath("a:hslClr/a:tint/@val");
                if (tint != null)
                {
                    opcity = double.Parse(tint.Value) / 100000;
                }
            }
            else if (solidFill.GetTextByPath("a:sysClr") != null)
            {
                var tint = solidFill.GetTextByPath("a:sysClr/a:tint/@val");
                if (tint != null)
                {
                    opcity = double.Parse(tint.Value) / 100000;
                }
            }
            return opcity;
        }

        public Fill GetSolidFill(XmlNode node)
        {

            if (node == null)
            {
                return null;
            }

            Fill fill = new Fill() { Color = "FFF", Type = 1 };

            if (PowerPointHelper.GetTextByPath(node, "a:srgbClr") != null)
            {
                fill.Color = PowerPointHelper.GetTextByPath(node, "a:srgbClr/@val").Value; //#...
            }
            else if (PowerPointHelper.GetTextByPath(node, "a:schemeClr") != null)//node["a:schemeClr"] != null)
            { //a:schemeClr
                var schemeClr = PowerPointHelper.GetTextByPath(node, "a:schemeClr/@val");
                //console.log(schemeClr)
                fill.Color = GetSchemeColorFromTheme(schemeClr.Value, null); //#...

            }
            else if (PowerPointHelper.GetTextByPath(node, "a:scrgbClr") != null)
            {
                //<a:scrgbClr r="50%" g="50%" b="50%"/>  //Need to test/////////////////////////////////////////////

                var defBultColorValsR = PowerPointHelper.GetTextByPath(node, "a:scrgbClr/@r");
                var defBultColorValsG = PowerPointHelper.GetTextByPath(node, "a:scrgbClr/@g");
                var defBultColorValsB = PowerPointHelper.GetTextByPath(node, "a:scrgbClr/@b");
                var red = (defBultColorValsR.Value.IndexOf("%") != -1) ? defBultColorValsR.Value.Split("%").First() : defBultColorValsR.Value;
                var green = (defBultColorValsG.Value.IndexOf("%") != -1) ? defBultColorValsG.Value.Split("%").First() : defBultColorValsG.Value;
                var blue = (defBultColorValsB.Value.IndexOf("%") != -1) ? defBultColorValsB.Value.Split("%").First() : defBultColorValsB.Value;
                var scrgbClr = red + "," + green + "," + blue;
                fill.Color = ToHex(255 * (double.Parse(red) / 100)) + ToHex(255 * (double.Parse(green) / 100)) + ToHex(255 * (double.Parse(blue) / 100));
                //console.log("scrgbClr: " + scrgbClr);

            }
            else if (PowerPointHelper.GetTextByPath(node, "a:prstClr") != null)
            {
                //<a:prstClr val="black"/>  //Need to test/////////////////////////////////////////////
                var prstClr = PowerPointHelper.GetTextByPath(node, "a:prstClr/@val");// node["a:prstClr"]["attrs"]["val"];
                fill.Color = GetColorName2Hex(prstClr.Value);
                //console.log("prstClr: " + prstClr+" => hexClr: "+color);
            }
            else if (PowerPointHelper.GetTextByPath(node, "a:hslClr") != null)
            {
                //<a:hslClr hue="14400000" sat="100%" lum="50%"/>  //Need to test/////////////////////////////////////////////
                var defBultColorVals = PowerPointHelper.GetTextByPath(node, "a:hslClr");//["attrs"];
                var defBultColorVals_hue = PowerPointHelper.GetTextByPath(defBultColorVals, "@hue");
                var defBultColorVals_sat = PowerPointHelper.GetTextByPath(defBultColorVals, "@sat");
                var defBultColorVals_lum = PowerPointHelper.GetTextByPath(defBultColorVals, "@lum");
                var hue = double.Parse(defBultColorVals_hue.Value) / 100000;
                var sat = double.Parse((defBultColorVals_sat.Value.IndexOf("%") != -1) ? defBultColorVals_sat.Value.Split("%").First() : defBultColorVals_sat.Value) / 100;
                var lum = double.Parse((defBultColorVals_lum.Value.IndexOf("%") != -1) ? defBultColorVals_lum.Value.Split("%").First() : defBultColorVals_lum.Value) / 100;
                var hslClr = defBultColorVals_hue.Value.ToString() + "," + defBultColorVals_sat.Value.ToString() + "," + defBultColorVals_lum.Value.ToString();
                var hsl2rgb = HslToRgb(hue, sat, lum);
                fill.Color = ToHex(hsl2rgb.r) + ToHex(hsl2rgb.g) + ToHex(hsl2rgb.b);
                //defBultColor = cnvrtHslColor2Hex(hslClr); //TODO
                // console.log("hslClr: " + hslClr);
            }
            else if (PowerPointHelper.GetTextByPath(node, "a:sysClr") != null)
            {
                //<a:sysClr val="windowText" lastClr="000000"/>  //Need to test/////////////////////////////////////////////
                var sysClr = PowerPointHelper.GetTextByPath(node, "a:sysClr/@lastClr").Value;
                if (sysClr != null)
                {
                    fill.Color = sysClr;
                }
            }
            return fill;
        }

        public string GetSchemeColorFromTheme(string schemeClr, XmlNode sldMasterNode)
        {
            //<p:clrMap ...> in slide master
            // e.g. tx2="dk2" bg2="lt2" tx1="dk1" bg1="lt1" slideLayoutClrOvride

            if (slideLayoutClrOvride == null || slideLayoutClrOvride.Count <= 0)
            {
                if (sldMasterNode != null)
                {
                    var sldLayoutClrOvr = PowerPointHelper.GetTextByPath(sldMasterNode, "p:sldMaster/p:clrMap");
                    if (sldLayoutClrOvr != null)
                    {
                        //获取 overrideClrMapping所有属性节点   检查测试 是否slideLayoutClrOvride 需要被覆盖
                        slideLayoutClrOvride = new Dictionary<string, string>() {
                            {  "accent1", sldLayoutClrOvr.GetTextByPath("@accent1").Value},
                            {  "accent2", sldLayoutClrOvr.GetTextByPath("@accent2").Value},
                            {  "accent3", sldLayoutClrOvr.GetTextByPath("@accent3").Value},
                            {  "accent4", sldLayoutClrOvr.GetTextByPath("@accent4").Value},
                            {  "accent5", sldLayoutClrOvr.GetTextByPath("@accent5").Value},
                            {  "accent6", sldLayoutClrOvr.GetTextByPath("@accent6").Value},
                            {  "bg1", sldLayoutClrOvr.GetTextByPath("@bg1").Value},
                            {  "bg2", sldLayoutClrOvr.GetTextByPath("@bg2").Value},
                            {  "folHlink", sldLayoutClrOvr.GetTextByPath("@folHlink").Value},
                            {  "hlink", sldLayoutClrOvr.GetTextByPath("@hlink").Value},
                            {  "tx1", sldLayoutClrOvr.GetTextByPath("@tx1").Value},
                            {  "tx2", sldLayoutClrOvr.GetTextByPath("@tx2").Value}
                        };
                    }
                }
            }
            if (!schemeClr.StartsWith("a:"))
            {
                schemeClr = "a:" + schemeClr;
            }
            //console.log(slideLayoutClrOvride);
            var schmClrName = schemeClr.Replace("a:", "");

            if (slideLayoutClrOvride != null)
            {
                switch (schmClrName)
                {
                    case "tx1":
                    case "tx2":
                    case "bg1":
                    case "bg2":
                        schemeClr = "a:" + slideLayoutClrOvride[schmClrName];
                        //schemeClr = "a:" + slideLayoutClrOvride[schmClrName];
                        //console.log(schmClrName+ "=> "+schemeClr);
                        break;
                }
            }
            else
            {
                switch (schmClrName)
                {
                    case "tx1":
                        schemeClr = "a:dk1";
                        break;
                    case "tx2":
                        schemeClr = "a:dk2";
                        break;
                    case "bg1":
                        schemeClr = "a:lt1";
                        break;
                    case "bg2":
                        schemeClr = "a:lt2";
                        break;
                }
            }
            //var refNode = PowerPointHelper.GetTextByPathList(themeContent, "a:theme/a:themeElements/a:clrScheme/"+ schemeClr.Value);
            var color = PowerPointHelper.GetTextByPath(themeContent, "pkg:xmlData/a:theme/a:themeElements/a:clrScheme/" + schemeClr + "/a:srgbClr/@val");
            if (color == null)//&& refNode != null
            {
                color = PowerPointHelper.GetTextByPath(themeContent, "pkg:xmlData/a:theme/a:themeElements/a:clrScheme/" + schemeClr + "/a:sysClr/@lastClr");
            }
            //console.log(color)
            return color.Value;
        }


        private  string ToHex(dynamic n)
        {
            string hex = n.toString(16);
            while (hex.Length < 2) { hex = "0" + hex; }
            return hex;
        }

        private  dynamic HslToRgb(double hue, double sat, double light)
        {
            double t1, t2, r, g, b;
            hue /= 60;
            if (light <= 0.5)
            {
                t2 = light * (sat + 1);
            }
            else
            {
                t2 = light + sat - (light * sat);
            }
            t1 = light * 2 - t2;
            r = HueToRgb(t1, t2, hue + 2) * 255;
            g = HueToRgb(t1, t2, hue) * 255;
            b = HueToRgb(t1, t2, hue - 2) * 255;
            return new { r, g, b };
        }

        private  double HueToRgb(double t1, double t2, double hue)
        {
            if (hue < 0) hue += 6;
            if (hue >= 6) hue -= 6;
            if (hue < 1) return (t2 - t1) * hue + t1;
            else if (hue < 3) return t2;
            else if (hue < 4) return (t2 - t1) * (4 - hue) + t1;
            else return t1;
        }

        private  string GetColorName2Hex(string name)
        {
            var hex = "";
            var colorName = new List<string> { "AntiqueWhite", "Aqua", "Aquamarine", "Azure", "Beige", "Bisque", "Black", "BlanchedAlmond", "Blue", "BlueViolet", "Brown", "BurlyWood", "CadetBlue", "Chartreuse", "Chocolate", "Coral", "CornflowerBlue", "Cornsilk", "Crimson", "Cyan", "DarkBlue", "DarkCyan", "DarkGoldenRod", "DarkGray", "DarkGrey", "DarkGreen", "DarkKhaki", "DarkMagenta", "DarkOliveGreen", "DarkOrange", "DarkOrchid", "DarkRed", "DarkSalmon", "DarkSeaGreen", "DarkSlateBlue", "DarkSlateGray", "DarkSlateGrey", "DarkTurquoise", "DarkViolet", "DeepPink", "DeepSkyBlue", "DimGray", "DimGrey", "DodgerBlue", "FireBrick", "FloralWhite", "ForestGreen", "Fuchsia", "Gainsboro", "GhostWhite", "Gold", "GoldenRod", "Gray", "Grey", "Green", "GreenYellow", "HoneyDew", "HotPink", "IndianRed", "Indigo", "Ivory", "Khaki", "Lavender", "LavenderBlush", "LawnGreen", "LemonChiffon", "LightBlue", "LightCoral", "LightCyan", "LightGoldenRodYellow", "LightGray", "LightGrey", "LightGreen", "LightPink", "LightSalmon", "LightSeaGreen", "LightSkyBlue", "LightSlateGray", "LightSlateGrey", "LightSteelBlue", "LightYellow", "Lime", "LimeGreen", "Linen", "Magenta", "Maroon", "MediumAquaMarine", "MediumBlue", "MediumOrchid", "MediumPurple", "MediumSeaGreen", "MediumSlateBlue", "MediumSpringGreen", "MediumTurquoise", "MediumVioletRed", "MidnightBlue", "MintCream", "MistyRose", "Moccasin", "NavajoWhite", "Navy", "OldLace", "Olive", "OliveDrab", "Orange", "OrangeRed", "Orchid", "PaleGoldenRod", "PaleGreen", "PaleTurquoise", "PaleVioletRed", "PapayaWhip", "PeachPuff", "Peru", "Pink", "Plum", "PowderBlue", "Purple", "RebeccaPurple", "Red", "RosyBrown", "RoyalBlue", "SaddleBrown", "Salmon", "SandyBrown", "SeaGreen", "SeaShell", "Sienna", "Silver", "SkyBlue", "SlateBlue", "SlateGray", "SlateGrey", "Snow", "SpringGreen", "SteelBlue", "Tan", "Teal", "Thistle", "Tomato", "Turquoise", "Violet", "Wheat", "White", "WhiteSmoke", "Yellow", "YellowGreen" };
            var colorHex = new List<string> { "f0f8ff", "faebd7", "00ffff", "7fffd4", "f0ffff", "f5f5dc", "ffe4c4", "000000", "ffebcd", "0000ff", "8a2be2", "a52a2a", "deb887", "5f9ea0", "7fff00", "d2691e", "ff7f50", "6495ed", "fff8dc", "dc143c", "00ffff", "00008b", "008b8b", "b8860b", "a9a9a9", "a9a9a9", "006400", "bdb76b", "8b008b", "556b2f", "ff8c00", "9932cc", "8b0000", "e9967a", "8fbc8f", "483d8b", "2f4f4f", "2f4f4f", "00ced1", "9400d3", "ff1493", "00bfff", "696969", "696969", "1e90ff", "b22222", "fffaf0", "228b22", "ff00ff", "dcdcdc", "f8f8ff", "ffd700", "daa520", "808080", "808080", "008000", "adff2f", "f0fff0", "ff69b4", "cd5c5c", "4b0082", "fffff0", "f0e68c", "e6e6fa", "fff0f5", "7cfc00", "fffacd", "add8e6", "f08080", "e0ffff", "fafad2", "d3d3d3", "d3d3d3", "90ee90", "ffb6c1", "ffa07a", "20b2aa", "87cefa", "778899", "778899", "b0c4de", "ffffe0", "00ff00", "32cd32", "faf0e6", "ff00ff", "800000", "66cdaa", "0000cd", "ba55d3", "9370db", "3cb371", "7b68ee", "00fa9a", "48d1cc", "c71585", "191970", "f5fffa", "ffe4e1", "ffe4b5", "ffdead", "000080", "fdf5e6", "808000", "6b8e23", "ffa500", "ff4500", "da70d6", "eee8aa", "98fb98", "afeeee", "db7093", "ffefd5", "ffdab9", "cd853f", "ffc0cb", "dda0dd", "b0e0e6", "800080", "663399", "ff0000", "bc8f8f", "4169e1", "8b4513", "fa8072", "f4a460", "2e8b57", "fff5ee", "a0522d", "c0c0c0", "87ceeb", "6a5acd", "708090", "708090", "fffafa", "00ff7f", "4682b4", "d2b48c", "008080", "d8bfd8", "ff6347", "40e0d0", "ee82ee", "f5deb3", "ffffff", "f5f5f5", "ffff00", "9acd32" };
            var findIndx = colorName.IndexOf(name);
            if (findIndx != -1)
            {
                hex = colorHex[findIndx];
            }
            return hex;
        }

        public  string GetFillType(XmlNode node)
        {
            //Need to test/////////////////////////////////////////////
            //SOLID_FILL
            //PIC_FILL
            //GRADIENT_FILL
            //PATTERN_FILL
            //NO_FILL
            var fillType = "";

            if (node.GetTextByPath("a:noFill") != null)
            {
                fillType = "NO_FILL";
            }
            if (node.GetTextByPath("a:solidFill") != null)
            {
                fillType = "SOLID_FILL";
            }
            if (node.GetTextByPath("a:gradFill") != null)
            {
                fillType = "GRADIENT_FILL";
            }
            if (node.GetTextByPath("a:pattFill") != null)
            {
                fillType = "PATTERN_FILL";
            }
            if (node.GetTextByPath("a:blipFill") != null)
            {
                fillType = "PIC_FILL";
            }
            return fillType;
        }

        private NodesTable IndexNodes(XmlNode content)
        {
            var idTable = new Dictionary<string, XmlNode>();
            var idxTable = new Dictionary<string, XmlNode>();
            var typeTable = new Dictionary<string, XmlNode>();
            var spTreeNode = content.GetTextByPath("p:cSld/p:spTree");
            //  Dictionary<string, Dictionary<string, string>> slideResObj = new Dictionary<string, Dictionary<string, string>>();
            var spTreeNodeChildren = spTreeNode.ChildNodes;
            foreach (XmlNode child in spTreeNodeChildren)
            {
                if (child.Name.Equals("p:nvGrpSpPr") || child.Name.Equals("p:grpSpPr"))
                {
                    continue;
                }
                //var targetNode = child.ChildNodes;

                var targetNode = child.GetTextByPath("p:nvSpPr");
                //    < p:cNvCxnSpPr >
                //   < a:cxnSpLocks />    ///这个是什么意思
                //  </ p:cNvCxnSpPr >
                if (targetNode == null)
                {
                    targetNode = child.GetTextByPath("p:nvCxnSpPr");
                }
                var id = targetNode.GetTextByPath("p:cNvPr/@id");
                var idx = targetNode.GetTextByPath("p:nvPr/p:ph/@idx");
                var type = targetNode.GetTextByPath("p:nvPr/p:ph/@type");
               // Dictionary<string, XmlNode> node = new Dictionary<string, XmlNode>();
                //if (child.ChildNodes != null)
                //{
                //    foreach (XmlNode xmlNode in child.ChildNodes)
                //    {
                //        node.TryAdd(xmlNode.Name, xmlNode);
                //    }
                //}
                if (id != null)
                {
                    idTable.Add(id.Value, child);
                }
                if (idx != null)
                {
                    idxTable.Add(idx.Value, child);
                }
                if (type != null)
                {
                    typeTable.Add(type.Value, child);
                }
            }
            return new NodesTable { idTable = idTable, idxTable = idxTable, typeTable = typeTable };
        }
        private dynamic GetSlideSize(XmlDocument xdoc)
        {
            var sldSzNode = xdoc.GetTextByPath("//pkg:part[@pkg:name='/ppt/presentation.xml']/pkg:xmlData/p:presentation/p:sldSz");
            double width = double.Parse(sldSzNode.GetTextByPath("@cx").Value) * px96 / px914400;
            double height = double.Parse(sldSzNode.GetTextByPath("@cy").Value) * px96 / px914400;
            return new { width, height };
        }
        private async Task<AzureBlobModel> GetThumbnailModel(XmlDocument xdoc, string shaCode)
        {
            var thumbnailNode = xdoc.GetTextByPath("//pkg:part[@pkg:name='/docProps/thumbnail.jpeg']");
            if (thumbnailNode != null)
            {
                var contentType = thumbnailNode.GetTextByPath("@pkg:contentType");
                var thumbnail = thumbnailNode.InnerText;
                return await SaveBase64ToBolob(thumbnail, contentType.Value, shaCode + "/imgs", "thumbnail");
            }
            return null;
        }

        private XmlNode LoadTheme(XmlDocument xdoc)
        {
            var themeRelationship = xdoc.GetTextByPath("//pkg:part[@pkg:name='/ppt/_rels/presentation.xml.rels']/pkg:xmlData/rel:Relationships/rel:Relationship[@Type='http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme']/@Target");
            //  "/ppt/theme/theme1.xml"
            string themeURI = "/ppt/" + themeRelationship.Value;
            return xdoc.GetTextByPath("//pkg:part[@pkg:name='" + themeURI + "']");
        }
        private async Task<AzureBlobModel> SaveBase64ToBolob(string data, string contentType, string FolderName, string fileName)
        {
            string fileExt;
            if (ContentTypeDict.extdict.TryGetValue(contentType, out string ext))
            {
                fileExt = ext;
            }
            else
            {
                //解决多种扩展名不能获取的
                string[] sp = contentType.Split("/");
                fileExt = sp[sp.Length - 1];
                sp = fileExt.Split("+");
                fileExt = "." + sp[sp.Length - 1];
            }
            //data:image/jpeg;base64,
            try
            {
                if (string.IsNullOrEmpty(fileName))
                {
                    Stream stream = new MemoryStream(Convert.FromBase64String(data));
                    string shaCode = ShaHashHelper.GetSHA1(stream);
                    fileName = shaCode + fileExt;
                }
                else
                {
                    if (fileName.Split(".").Length == 1)
                    {
                        fileName += fileExt;
                    }
                }
                Stream streamBlob = new MemoryStream(Convert.FromBase64String(data));
                AzureBlobModel model = await azureBlobDBRepository.UploadFileByFolder(streamBlob, FolderName, fileName, "pptx", false);

                return model;
            }
            catch (Exception x)
            {
                throw new BizException(x.Message);
            }
        }
    }
}