maximumImagePixelSize Property (original) (raw)
Summary
The maximum width or height in pixels to use when obtaining image data from the pages in this document.
Syntax
Object.defineProperty(LoadDocumentOptions.prototype, 'maximumImagePixelSize',
get: function(),
set: function(value)
)
maximumImagePixelSize: number; Property Value
The maximum width or height in pixels to use when obtaining image data from the pages in this document. The default value is 0, which means to use the original size.
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>