length Property

Summary

The length of the file containing the data.

Syntax
TypeScript
JavaScript
Object.defineProperty(ConvertItem.prototype, 'length', 
   get: function(), 
   set: function(value) 
) 
length: number; 

Property Value

The length of the file on server containing the conversion data in bytes. Default value is 0.

Remarks

This is the length of the file in Url. For more information, refer to DocumentConvertResult

Example
Convert.ts
DocumentHelper.ts
Convert.js
DocumentHelper.js
Convert.html
import { DocumentHelper } from "../../utilities/DocumentHelper"; 
 
export class LEADDocument_ConvertExample { 
   public constructor() { 
      lt.RasterSupport.setLicenseUri("https://demo.leadtools.com/licenses/js/LEADTOOLSEVAL.txt", "EVAL", null); 
      DocumentHelper.initFactory(); 
   } 
 
   public run = (buttonID: string) => { 
      const exampleButton = document.getElementById(buttonID); 
      exampleButton.onclick = this.convert; 
   } 
 
   /** 
     * Converts a LEADDocument 
     */ 
   convert = () => { 
      const url = "https://demo.leadtools.com/images/pdf/leadtools.pdf"; 
      const loadDocumentOptions = new lt.Document.LoadDocumentOptions(); 
 
      DocumentHelper.log("Loading document..."); 
      lt.Document.DocumentFactory.loadFromUri(url, loadDocumentOptions) 
         .done((document: lt.Document.LEADDocument) => { 
            DocumentHelper.log("Loaded, converting..."); 
            const jobData = new lt.Document.DocumentConverterJobData(); 
            jobData.documentFormat = lt.Document.Writer.DocumentFormat.docx; 
            jobData.rasterImageFormat = lt.Document.RasterImageFormat.unknown; 
 
            // Set document options 
            const docxOptions = new lt.Document.Writer.DocxDocumentOptions(); 
            docxOptions.textMode = lt.Document.Writer.DocumentTextMode.auto; 
            jobData.documentOptions = docxOptions; 
 
            document.convert(jobData) 
               .done((result: any) => { 
                  // This is generic code, we know the result is in "document" since DOCX supports that 
                  // But this code checks if the results have been archived into a ZIP file if this 
                  // example was converting to, say SVG 
                  const resultDocument = result.document != null ? result.document.url : result.archive.url; 
                  const link = window.document.createElement("a"); 
                  const url = lt.Document.DocumentFactory.serviceUri + "/" + resultDocument; 
                  link.href = url; 
                  link.innerHTML = url; 
                  link.target = "_default"; 
                  DocumentHelper.log("Converted: " + url, url); 
 
               }) 
               .fail(DocumentHelper.showServiceError); 
         }) 
         .fail(DocumentHelper.showServiceError); 
   } 
} 
export class DocumentHelper { 
   static showServiceError = (jqXHR, statusText, errorThrown) => { 
      alert("Error returned from service. See the console for details."); 
      const serviceError = lt.Document.ServiceError.parseError(jqXHR, statusText, errorThrown); 
      console.error(serviceError); 
   } 
 
   static log = (message: string, data?: any) => { 
      const outputElement = document.getElementById("output"); 
      if (outputElement) { 
         const time = (new Date()).toLocaleTimeString(); 
         const textElement = document.createElement("p"); 
         textElement.innerHTML = (outputElement.childElementCount + 1) + " [" + time + "]: " + message; 
         outputElement.insertBefore(textElement, outputElement.firstChild); 
      } 
 
      if (!data) 
         console.log(message); 
      else 
         console.log(message, data); 
   } 
 
   static initFactory = () => { 
      // To communicate with the DocumentsService, it must be running! 
      // Change these parameters to match the path to the service. 
      lt.Document.DocumentFactory.serviceHost = "http://localhost:40000"; 
      lt.Document.DocumentFactory.servicePath = ""; 
      lt.Document.DocumentFactory.serviceApiPath = "api"; 
   } 
} 
import { DocumentHelper } from "../../utilities/DocumentHelper"; 
 
export class LEADDocument_ConvertExample { 
   constructor() { 
      lt.RasterSupport.setLicenseUri("https://demo.leadtools.com/licenses/js/LEADTOOLSEVAL.txt", "EVAL", null); 
      DocumentHelper.initFactory(); 
   } 
 
   run = (buttonID) => { 
      const exampleButton = document.getElementById(buttonID); 
      exampleButton.onclick = this.convert; 
   } 
 
   /** 
     * Converts a LEADDocument 
     */ 
   convert = () => { 
      const url = "https://demo.leadtools.com/images/pdf/leadtools.pdf"; 
      const loadDocumentOptions = new lt.Document.LoadDocumentOptions(); 
 
      DocumentHelper.log("Loading document..."); 
      lt.Document.DocumentFactory.loadFromUri(url, loadDocumentOptions) 
         .done((document) => { 
            DocumentHelper.log("Loaded, converting..."); 
            const jobData = new lt.Document.DocumentConverterJobData(); 
            jobData.documentFormat = lt.Document.Writer.DocumentFormat.docx; 
            jobData.rasterImageFormat = lt.Document.RasterImageFormat.unknown; 
 
            // Set document options 
            const docxOptions = new lt.Document.Writer.DocxDocumentOptions(); 
            docxOptions.textMode = lt.Document.Writer.DocumentTextMode.auto; 
            jobData.documentOptions = docxOptions; 
 
            document.convert(jobData) 
               .done((result) => { 
                  // This is generic code, we know the result is in "document" since DOCX supports that 
                  // But this code checks if the results have been archived into a ZIP file if this 
                  // example was converting to, say SVG 
                  const resultDocument = result.document != null ? result.document.url : result.archive.url; 
                  const link = window.document.createElement("a"); 
                  const url = lt.Document.DocumentFactory.serviceUri + "/" + resultDocument; 
                  link.href = url; 
                  link.innerHTML = url; 
                  link.target = "_default"; 
                  DocumentHelper.log("Converted: " + url, url); 
 
               }) 
               .fail(DocumentHelper.showServiceError); 
         }) 
         .fail(DocumentHelper.showServiceError); 
   } 
} 
export class DocumentHelper { 
   static showServiceError = (jqXHR, statusText, errorThrown) => { 
      alert("Error returned from service. See the console for details."); 
      const serviceError = lt.Document.ServiceError.parseError(jqXHR, statusText, errorThrown); 
      console.error(serviceError); 
   } 
 
   static log = (message, data) => { 
      const outputElement = document.getElementById("output"); 
      if (outputElement) { 
         const time = (new Date()).toLocaleTimeString(); 
         const textElement = document.createElement("p"); 
         textElement.innerHTML = (outputElement.childElementCount + 1) + " [" + time + "]: " + message; 
         outputElement.insertBefore(textElement, outputElement.firstChild); 
      } 
 
      if (!data) 
         console.log(message); 
      else 
         console.log(message, data); 
   } 
 
   static initFactory = () => { 
      // To communicate with the DocumentsService, it must be running! 
      // Change these parameters to match the path to the service. 
      lt.Document.DocumentFactory.serviceHost = "http://localhost:40000"; 
      lt.Document.DocumentFactory.servicePath = ""; 
      lt.Document.DocumentFactory.serviceApiPath = "api"; 
   } 
} 
<!doctype html> 
<html lang="en"> 
<title>Document Example | Convert</title> 
 
<head> 
   <script src="https://code.jquery.com/jquery-2.2.4.min.js" 
      integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44=" crossorigin="anonymous"></script> 
 
   <script src="../../LT/Leadtools.js"></script> 
   <script src="../../LT/Leadtools.Controls.js"></script> 
   <script src="../../LT/Leadtools.Annotations.Engine.js"></script> 
   <script src="../../LT/Leadtools.Annotations.Designers.js"></script> 
   <script src="../../LT/Leadtools.Annotations.Rendering.Javascript.js"></script> 
   <script src="../../LT/Leadtools.Annotations.Automation.js"></script> 
   <script src="../../LT/Leadtools.ImageProcessing.Main.js"></script> 
   <script src="../../LT/Leadtools.ImageProcessing.Color.js"></script> 
   <script src="../../LT/Leadtools.ImageProcessing.Core.js"></script> 
   <script src="../../LT/Leadtools.ImageProcessing.Effects.js"></script> 
   <script src="../../LT/Leadtools.Document.js"></script> 
   <script src="../../LT/Leadtools.Document.Viewer.js"></script> 
   <link rel="stylesheet" type="text/css" href="../../css/examples.css"> 
 
   <!-- All demo files are bundled and appended to the window --> 
   <script src="../../bundle.js" type="text/javascript"></script> 
</head> 
 
<body> 
   <div> 
      <button type="button" id="exampleButton">Run Example</button> 
   </div> 
   <div id="output"></div> 
   <div> 
      <img id="img" /> 
   </div> 
</body> 
 
<script> 
   window.onload = () => { 
      const example = new window.examples.LEADDocument.Convert(); 
      example.run("exampleButton"); 
   }; 
</script> 
</html> 
Requirements

Target Platforms

Help Version 23.0.2024.7.2
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Document Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.