PageCharacter Object

Summary

Holds additional information about DocumentCharacter, such as the page number, wordmap index, and character index.

Syntax
TypeScript
JavaScript
function lt.Document.Compare.PageCharacter 
class lt.Document.Compare.PageCharacter() 
Example
Compare.ts
DocumentHelper.ts
Compare.js
DocumentHelper.js
Compare.html
import { DocumentHelper } from "../../utilities/DocumentHelper"; 
 
export class LEADDocument_CompareExample { 
   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.compareDocument; 
   } 
 
   compareDocument = () => { 
 
      const url = "https://demo.leadtools.com/images/pdf/leadtools.pdf"; 
      const url2 = "https://demo.leadtools.com/images/pdf/leadtools.pdf"; 
      const loadDocumentOptions = new lt.Document.LoadDocumentOptions(); 
 
      lt.Document.DocumentFactory.loadFromUri(url, loadDocumentOptions) 
         .done((document1: lt.Document.LEADDocument) => { 
            lt.Document.DocumentFactory.loadFromUri(url2, loadDocumentOptions) 
               .done((document2: lt.Document.LEADDocument) => { 
                  const options = new lt.Document.Compare.DocumentCompareOptions(); 
                  lt.Document.LEADDocument.compare([document1.documentId, document2.documentId], options) 
                     .done((diff) => { 
                        DocumentHelper.log("Total number of differences: " + diff.differences.length); 
                        DocumentHelper.log("Total number of insertions: " + diff.getInsertions().length); 
                        DocumentHelper.log("Total number of deletions: " + diff.getDeletions().length); 
                        diff.differences.forEach((textDiff) => { 
                           DocumentHelper.log("   Operation: " + textDiff.operation); 
                           DocumentHelper.log("   Text: " + textDiff.text); 
                           textDiff.characters.forEach((char) => { 
                              DocumentHelper.log("       Character: " + char.character); 
                              DocumentHelper.log("       Character Index: " + char.characterIndex); 
                              DocumentHelper.log("       Page Number: " + char.pageNumber); 
                              DocumentHelper.log("       Wordmap Index: " + char.wordmapIndex); 
                           }); 
                        }); 
                     }) 
                     .fail(DocumentHelper.showServiceError); 
               }) 
               .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_CompareExample { 
   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.compareDocument; 
   } 
 
   compareDocument = () => { 
 
      const url = "https://demo.leadtools.com/images/pdf/leadtools.pdf"; 
      const url2 = "https://demo.leadtools.com/images/pdf/leadtools.pdf"; 
      const loadDocumentOptions = new lt.Document.LoadDocumentOptions(); 
 
      lt.Document.DocumentFactory.loadFromUri(url, loadDocumentOptions) 
         .done((document1) => { 
            lt.Document.DocumentFactory.loadFromUri(url2, loadDocumentOptions) 
               .done((document2) => { 
                  const options = new lt.Document.Compare.DocumentCompareOptions(); 
                  lt.Document.LEADDocument.compare([document1.documentId, document2.documentId], options) 
                     .done((diff) => { 
                        DocumentHelper.log("Total number of differences: " + diff.differences.length); 
                        DocumentHelper.log("Total number of insertions: " + diff.getInsertions().length); 
                        DocumentHelper.log("Total number of deletions: " + diff.getDeletions().length); 
                        diff.differences.forEach((textDiff) => { 
                           DocumentHelper.log("   Operation: " + textDiff.operation); 
                           DocumentHelper.log("   Text: " + textDiff.text); 
                           textDiff.characters.forEach((char) => { 
                              DocumentHelper.log("       Character: " + char.character); 
                              DocumentHelper.log("       Character Index: " + char.characterIndex); 
                              DocumentHelper.log("       Page Number: " + char.pageNumber); 
                              DocumentHelper.log("       Wordmap Index: " + char.wordmapIndex); 
                           }); 
                        }); 
                     }) 
                     .fail(DocumentHelper.showServiceError); 
               }) 
               .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 | Compare</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.Compare(); 
      example.run("exampleButton"); 
   }; 
</script> 
</html> 
Requirements

Target Platforms

Help Version 22.0.2023.2.1
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.

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