Updates the style of the selected image.
updateImageStyle(newStyle: ImageStyle: void;
newStyle
The new style that should be applied to the image.
import { EditorInitializer } from '../utility/EditorInitializer';
import { editor } from '../utility/EditorInitializer';
var file = null;
var urlD = "https://demo.leadtools.com/images/jpeg/cannon.jpg";
export class ImageEnginesExample {
run = () => {
new EditorInitializer();
this.initImage();
}
initImage = () => {
//This creates a test document and sets it in the Document Editor when the example is run. Also inserts an image
//into the document from the default url
var tDoc = editor.createTestDocument();
editor.setDocument(tDoc);
editor.engine.images.insertImage(urlD)
}
addImage = () => {
//Allows the user to input an image of their choosing for the specific file types allowed at the cursor location
var input = document.createElement('input');
input.type = 'file';
input.style.display = 'none';
input.accept = '.png, .jpeg, .tif, .jpg, .pdf';
input.onchange = function (e) {
var files = input.files;
if (!files || !files.length)
return;
file = files[0];
var url = URL.createObjectURL(file);
editor.engine.images.insertImage(url);
};
input.click();
}
addImageBlob = () => {
//Allows the user to input an image of their choosing for the specific file types allowed at the cursor location
var input = document.createElement('input');
input.type = 'file';
input.style.display = 'none';
input.accept = '.png, .jpeg, .tif, .jpg, .pdf';
input.onchange = function (e) {
var files = input.files;
if (!files || !files.length)
return;
file = files[0];
editor.engine.images.insertImageBlob(file)
};
input.click();
}
updateStyle = () => {
//Allows the user to select from 3 different styling for the image they currently have selected
var value: number = null;
var input: string = prompt("Which image style would you like? (input the number corresponding to the style, default is Wrap Text)\n\n1. Inline\n2. Break Text\n3. Wrap Text");
if (input == '1') {
value = 0;
} else if (input == '2') {
value = 1;
} else {
value = 2;
}
editor.engine.images.updateImageStyle(value);
}
}
export var editor: any = null;
export class EditorInitializer {
private callback: (editor: any) => void = null;
constructor(callback?: (editor: any) => void) {
this.callback = callback;
this.init();
}
init = () => {
this.setLicense();
this.initFactory();
this.addEditControl();
}
setLicense = () => {
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 = "No LEADTOOLS License\n\nYour license file is missing, invalid or expired. LEADTOOLS will not function. Please contact LEAD Sales for information on obtaining a valid license.";
alert(msg);
var msgParagraph = document.createElement('p');
msgParagraph.innerText = msg;
var parent_1 = document.getElementById("div_container");
while (parent_1.firstElementChild) {
parent_1.removeChild(parent_1.firstElementChild);
}
parent_1.appendChild(msgParagraph);
console.log(msg);
}
});
}
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";
// Set local proxy url template (Used in local load mode)
lt.Document.DocumentFactory.localProxyUrlTemplate = "http://localhost:40000/api/CorsProxy/Proxy?{0}";
// Ping the Document service
lt.Document.DocumentFactory.verifyService()
.done(function (response: ResponseType | any) {
var serviceInfo = "Service name: '" + response.serviceName + "'";
serviceInfo += " version: '" + response.serviceVersion + "'";
serviceInfo += " platform: '" + response.servicePlatform + "'";
serviceInfo += " OS: '" + response.serviceOperatingSystem + "'";
lt.LTHelper.log(serviceInfo);
})
.fail(function (jqXHR: string, statusText: string, errorThrown: string) {
var errMsg = "Cannot reach the LEADTOOLS Document Service.\n\nPlease Make sure LEADTOOLS DocumentService is running\n - Examples/Document/JS/DocumentServiceDotNet\n - Examples/Document/JS/DocumentServiceJava\nand verify that the service path is correct, then refresh the application.";
window.alert(errMsg);
console.log(errMsg);
});
}
addEditControl = () => {
//sets up the initial document editor object
var content = document.getElementById('content');
editor = new lt.Document.Editor.DocumentEditor({
root: content
});
this.registerClickEvents();
if (this.callback) {
this.callback(editor);
}
}
registerClickEvents = () => {
//registers the onclick functions for the buttons
const importClick = document.getElementById('importBtn');
importClick.onclick = (e) => {
this.selectAndLoadFile();
}
const exportClick = document.getElementById('exportBtn');
exportClick.onclick = (e) => {
this.exportAsPdf();
}
}
selectAndLoadFile = () => {
//creates an input element on the Import Document button to upload files
//into the document editor
var input = document.createElement('input');
input.type = 'file';
input.style.display = 'none';
input.accept = '.doc, .docx, .pdf, .rtf, .txt';
input.onchange = function (e) {
var files = input.files;
if (!files || !files.length)
return;
var file = files[0];
document.body.style.cursor = 'wait';
var promise = lt.Document.Editor.EditableDocument.fromFile(file);
promise.then(function (doc: HTMLElement) {
editor.setDocument(doc);
});
promise.finally(() => {
document.body.style.cursor = 'default';
});
};
input.click();
}
exportAsPdf = () => {
//exports the current document for saving
var promise = editor.document.toFile("untitled", lt.Document.Writer.DocumentFormat.pdf);
var err = null;
promise.then(function (name: string) { });
promise.catch(function (err: string) {
alert("There was an issue exporting the document. " + err);
});
}
}
import { EditorInitializer } from '../utility/EditorInitializer';
import { editor } from '../utility/EditorInitializer';
var file = null;
var urlD = "https://demo.leadtools.com/images/jpeg/cannon.jpg";
export class ImageEnginesExample {
run = () => {
new EditorInitializer();
this.initImage();
}
initImage = () => {
//This creates a test document and sets it in the Document Editor when the example is run. Also inserts an image
//into the document from the default url
var tDoc = editor.createTestDocument();
editor.setDocument(tDoc);
editor.engine.images.insertImage(urlD)
}
addImage = () => {
//Allows the user to input an image of their choosing for the specific file types allowed at the cursor location
var input = document.createElement('input');
input.type = 'file';
input.style.display = 'none';
input.accept = '.png, .jpeg, .tif, .jpg, .pdf';
input.onchange = function (e) {
var files = input.files;
if (!files || !files.length)
return;
file = files[0];
var url = URL.createObjectURL(file);
editor.engine.images.insertImage(url);
};
input.click();
}
addImageBlob = () => {
//Allows the user to input an image of their choosing for the specific file types allowed at the cursor location
var input = document.createElement('input');
input.type = 'file';
input.style.display = 'none';
input.accept = '.png, .jpeg, .tif, .jpg, .pdf';
input.onchange = function (e) {
var files = input.files;
if (!files || !files.length)
return;
file = files[0];
editor.engine.images.insertImageBlob(file)
};
input.click();
}
updateStyle = () => {
//Allows the user to select from 3 different styling for the image they currently have selected
var value = null;
var input = prompt("Which image style would you like? (input the number corresponding to the style, default is Wrap Text)\n\n1. Inline\n2. Break Text\n3. Wrap Text");
if (input == '1') {
value = 0;
} else if (input == '2') {
value = 1;
} else {
value = 2;
}
editor.engine.images.updateImageStyle(value);
}
}
export let editor = null;
export class EditorInitializer {
constructor(callback) {
this.callback = callback;
this.init();
}
init = () => {
this.setLicense();
this.initFactory();
this.addEditControl();
}
setLicense = () => {
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 = "No LEADTOOLS License\n\nYour license file is missing, invalid or expired. LEADTOOLS will not function. Please contact LEAD Sales for information on obtaining a valid license.";
alert(msg);
var msgParagraph = document.createElement('p');
msgParagraph.innerText = msg;
var parent_1 = document.getElementById("div_container");
while (parent_1.firstElementChild) {
parent_1.removeChild(parent_1.firstElementChild);
}
parent_1.appendChild(msgParagraph);
console.log(msg);
}
});
}
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";
// Set local proxy url template (Used in local load mode)
lt.Document.DocumentFactory.localProxyUrlTemplate = "http://localhost:40000/api/CorsProxy/Proxy?{0}";
// Ping the Document service
lt.Document.DocumentFactory.verifyService()
.done(function (response) {
var serviceInfo = "Service name: '" + response.serviceName + "'";
serviceInfo += " version: '" + response.serviceVersion + "'";
serviceInfo += " platform: '" + response.servicePlatform + "'";
serviceInfo += " OS: '" + response.serviceOperatingSystem + "'";
lt.LTHelper.log(serviceInfo);
})
.fail(function (jqXHR, statusText, errorThrown) {
var errMsg = "Cannot reach the LEADTOOLS Document Service.\n\nPlease Make sure LEADTOOLS DocumentService is running\n - Examples/Document/JS/DocumentServiceDotNet\n - Examples/Document/JS/DocumentServiceJava\nand verify that the service path is correct, then refresh the application.";
window.alert(errMsg);
console.log(errMsg);
});
}
addEditControl = () => {
//sets up the initial document editor object
var content = document.getElementById('content');
editor = new lt.Document.Editor.DocumentEditor({
root: content
});
this.registerClickEvents();
if(this.callback){
this.callback(editor);
}
}
registerClickEvents = () => {
//registers the onclick functions for the buttons
const importClick = document.getElementById('importBtn');
importClick.onclick = (e) =>{
this.selectAndLoadFile();
}
const exportClick = document.getElementById('exportBtn');
exportClick.onclick = (e) =>{
this.exportAsPdf();
}
}
selectAndLoadFile = () => {
//creates an input element on the Import Document button to upload files
//into the document editor
var input = document.createElement('input');
input.type = 'file';
input.style.display = 'none';
input.accept = '.doc, .docx, .pdf, .rtf, .txt';
input.onchange = function (e) {
var files = input.files;
if (!files || !files.length)
return;
var file = files[0];
document.body.style.cursor = 'wait';
var promise = lt.Document.Editor.EditableDocument.fromFile(file);
promise.then(function (doc) {
editor.setDocument(doc);
});
promise.finally(()=> {
document.body.style.cursor = 'default';
});
};
input.click();
}
exportAsPdf = () => {
//exports the current document for saving
var promise = editor.document.toFile("untitled", lt.Document.Writer.DocumentFormat.pdf);
var err = null;
promise.then(function (name) { });
promise.catch(function (err) {
alert("There was an issue exporting the document. " + err);
});
}
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title> Using the Image Engine in the Document Editor</title>
<script src="https://code.jquery.com/jquery-3.6.0.js"></script>
<script src="https://code.jquery.com/ui/1.13.0/jquery-ui.js"></script>
<script crossorigin src="https://unpkg.com/react@17/umd/react.production.min.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@17/umd/react-dom.production.min.js"></script>
<script src="../../lib/Leadtools.js"></script>
<script src="../../lib/Leadtools.Annotations.Engine.js"></script>
<script src="../../lib/Leadtools.Annotations.Automation.js"></script>
<script src="../../lib/Leadtools.Document.js"></script>
<script src="../../lib/Leadtools.Document.Editor.js"></script>
<link rel="stylesheet" type="text/css" href="../css/examples.css">
<script src="../../javascript/bundle.js"></script>
</head>
<body>
<div>
<div id="title">
Using the Image Engine in the Document Editor
</div>
<ul id="menu">
<li><a id="importBtn" class="rightLineBorder">Import Document</a></li>
<li><a id="exportBtn" class="rightLineBorder">Export Document</a></li>
<li><a id="exampleBtn" class="rightLineBorder">Run Example</a></li>
<li><a id="addImageBtn" class="rightLineBorder" style="display: none;">Add Image</a></li>
<li><a id="addImgBlobBtn" class="rightLineBorder" style="display: none;">Add Image Blob</a></li>
<li><a id="updateStyleBtn" class="rightLineBorder" style="display: none;">Update Image Style</a></li>
</ul>
</div>
<div id="editorWrapper" oncontextmenu="return false;">
<div class="inner-body" id="content">
</div>
</div>
</body>
<script>
//creates the onclick functions for the buttons and hides/shows them when necessary
window.onload = () => {
const button = document.getElementById('exampleBtn');
const example = new window.examples.ImageEnginesExample();
const addImageBtn = document.getElementById('addImageBtn');
const addImgBlobBtn = document.getElementById('addImgBlobBtn');
const updateStyleBtn = document.getElementById('updateStyleBtn');
button.onclick = () => {
example.run();
button.style.display = "none";
addImageBtn.style.display = "block";
addImgBlobBtn.style.display = "block";
updateStyleBtn.style.display = "block";
}
addImageBtn.onclick = () => {
example.addImage();
}
addImgBlobBtn.onclick = () => {
example.addImageBlob();
}
updateStyleBtn.onclick = () => {
example.updateStyle();
}
};
</script>
</html>
html {
height: 100%;
}
body {
height: 100%;
margin: 0;
display: flex;
flex-direction: column;
}
#title {
padding: 10px;
font-size: 24px;
}
ul {
list-style-type: none;
margin: 0;
padding: 0;
overflow: hidden;
}
#editorWrapper {
border-top: 1px solid black;
height: 95%;
}
#content {
height: 100%;
}
li {
float: left;
}
li a {
display: block;
text-align: center;
padding: 14px 16px;
text-decoration: none;
cursor: pointer;
user-select: none;
font-weight: bold;
}
li:first-child {
margin-left: 5px;
}
.rightLineBorder {
border-right: 1px black solid;
}
li a:hover {
background-color: lightblue;
}
Leadtools.Document.Editor Namespace
Help Collections
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Supported Platforms
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Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
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