In This Topic ▼

LoadDocumentOptions Constructor

Summary

Initializes a new instance of LoadDocumentOptions with default parameters.

Syntax

TypeScript

JavaScript

LoadDocumentOptions = function()

constructor();

Example

LoadFromUri.ts

DocumentHelper.ts

LoadFromUri.js

DocumentHelper.js

LoadFromUri.html

import { DocumentHelper } from "../../utilities/DocumentHelper"; 
 
export class DocumentFactory_LoadFromUriExample { 
    private imgEle: HTMLElement; 
    public constructor() { 
       lt.RasterSupport.setLicenseUri("https://demo.leadtools.com/licenses/js/LEADTOOLSEVAL.txt", "EVAL", function ( 
          setLicenseResult 
       ) { 
          if (setLicenseResult.result) { 
             console.log("LEADTOOLS client license set successfully"); 
          } else { 
             var msg = "LEADTOOLS License is missing, invalid or expired\nError:\n";  
             alert(msg);  
          } 
       }); 
        DocumentHelper.initFactory(); 
    } 
 
    public run = (buttonID: string, imgID: string) => { 
        document.getElementById(buttonID).onclick = this.loadFromUri; 
        this.imgEle = document.getElementById(imgID); 
    } 
 
    /** 
     * Load a new document from URI 
     */ 
    loadFromUri = () => { 
        const url = "https://demo.leadtools.com/images/pdf/leadtools.pdf"; 
        const loadDocumentOptions = new lt.Document.LoadDocumentOptions(); 
 
        lt.Document.DocumentFactory.loadFromUri(url, loadDocumentOptions) 
            .done((document: lt.Document.LEADDocument) => { 
                DocumentHelper.log("Document loaded with " + document.pages.count + " pages", document); 
 
                // Show the PDF image of the first page 
                const page = document.pages.item(0); 
                (this.imgEle as HTMLImageElement).src = page.getSvgUrl(lt.Document.DocumentGetSvgOptions.none); 
            }) 
            .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 DocumentFactory_LoadFromUriExample { 
    imgEle; 
    constructor() { 
       lt.RasterSupport.setLicenseUri("https://demo.leadtools.com/licenses/js/LEADTOOLSEVAL.txt", "EVAL", function ( 
          setLicenseResult 
       ) { 
          if (setLicenseResult.result) { 
             console.log("LEADTOOLS client license set successfully"); 
          } else { 
             var msg = "LEADTOOLS License is missing, invalid or expired\nError:\n"; 
             alert(msg); 
          } 
       }); 
        DocumentHelper.initFactory(); 
    } 
 
    run = (buttonID, imgID) => { 
        document.getElementById(buttonID).onclick = this.loadFromUri; 
        this.imgEle = document.getElementById(imgID); 
    } 
 
    /** 
     * Load a new document from URI 
     */ 
    loadFromUri = () => { 
        const url = "https://demo.leadtools.com/images/pdf/leadtools.pdf"; 
        const loadDocumentOptions = new lt.Document.LoadDocumentOptions(); 
 
        lt.Document.DocumentFactory.loadFromUri(url, loadDocumentOptions) 
            .done((document) => { 
                DocumentHelper.log("Document loaded with " + document.pages.count + " pages", document); 
 
                // Show the PDF image of the first page 
                const page = document.pages.item(0); 
                this.imgEle.src = page.getSvgUrl(lt.Document.DocumentGetSvgOptions.none); 
            }) 
            .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 | LoadFromUri</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.DocumentFactory.LoadFromUri(); 
      example.run("exampleButton"); 
   }; 
</script> 
</html>