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Text Markup Annotation

30 Mar 2023 / 8 minutes to read

The PDF Viewer control provides the options to add, edit, and delete text markup annotations such as highlight, underline, and strikethrough annotations in the PDF document.

Alt text

Highlight a text

There are two ways to highlight a text in the PDF document:

  1. Using the context menu
  2. Select a text in the PDF document and right-click it.
  3. Select Highlight option in the context menu that appears.

Alt text

  1. Using the annotation toolbar
  2. Click the Edit Annotation button in the PDF Viewer toolbar. A toolbar appears below it.
  3. Select the Highlight button in the annotation toolbar. It enables the highlight mode.
  4. Select the text and the highlight annotation will be added.
  5. You can also select the text and apply the highlight annotation using the Highlight button.

Alt text

In the pan mode, if the highlight mode is entered, the PDF Viewer control will switch to text select mode to enable the text selection for highlighting the text.

Refer to the following code snippet to switch to highlight mode.

Source
Preview
index.ts
index.html
Copied to clipboard
import { PdfViewer, Toolbar, Magnification, Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation} from '@syncfusion/ej2-pdfviewer';

PdfViewer.Inject(Toolbar,Magnification,Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation);

let pdfviewer: PdfViewer = new PdfViewer({ documentPath:'PDF_Succinctly.pdf' });
pdfviewer.serviceUrl = 'https://ej2services.syncfusion.com/production/web-services/api/pdfviewer';
pdfviewer.appendTo('#PdfViewer');

document.getElementById('set').addEventListener('click', ()=> {
pdfviewer.annotation.setAnnotationMode('Highlight');
});
Copied to clipboard
<!DOCTYPE html>
<html lang="en">

<head>
            
    <title>EJ2 PDF Viewer</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript PDF Viewer Control" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-base/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-pdfviewer/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-inputs/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-notifications/styles/material.css" rel="stylesheet" />
    
    
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>
<body>
    <div id='loader'>Loading....</div>
	<!--Element to set text markup annotation mode-->
    <button id="set">Highlight</button>
    <div id='container'>
        <div id='PdfViewer' style="height:500px;width:100%;"></div>        
    </div>
</body>
</html>

Refer to the following code snippet to switch back to normal mode from highlight mode.

Source
Preview
index.ts
index.html
Copied to clipboard
import { PdfViewer, Toolbar, Magnification, Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation} from '@syncfusion/ej2-pdfviewer';

PdfViewer.Inject(Toolbar,Magnification,Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation);

let pdfviewer: PdfViewer = new PdfViewer({ documentPath:'PDF_Succinctly.pdf' });
pdfviewer.serviceUrl = 'https://ej2services.syncfusion.com/production/web-services/api/pdfviewer';
pdfviewer.appendTo('#PdfViewer');

document.getElementById('set').addEventListener('click', ()=> {
pdfviewer.annotation.setAnnotationMode('Highlight');
});

document.getElementById(‘setNone’).addEventListener('click', ()=> {
pdfviewer.annotation.setAnnotationMode('None');
});
Copied to clipboard
<!DOCTYPE html>
<html lang="en">

<head>
            
    <title>EJ2 PDF Viewer</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript PDF Viewer Control" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-base/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-pdfviewer/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-inputs/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-notifications/styles/material.css" rel="stylesheet" />
    
    
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>
<body>
    <div id='loader'>Loading....</div>
	<!--Element to set text markup annotation mode-->
    <button id="set">Highlight</button>
    <!--Element to set normal mode-->
    <button id="setNone">Normal Mode</button>
    <div id='container'>
        <div id='PdfViewer' style="height:500px;width:100%;"></div>        
    </div>
</body>
</html>

Underline a text

There are two ways to underline a text in the PDF document:

  1. Using the context menu
  2. Select a text in the PDF document and right-click it.
  3. Select Underline option in the context menu that appears.

Alt text

  1. Using the annotation toolbar
  2. Click the Edit Annotation button in the PDF Viewer toolbar. A toolbar appears below it.
  3. Select the Underline button in the annotation toolbar. It enables the underline mode.
  4. Select the text and the underline annotation will be added.
  5. You can also select the text and apply the underline annotation using the Underline button.

Alt text

In the pan mode, if the underline mode is entered, the PDF Viewer control will switch to text select mode to enable the text selection for underlining the text.

Refer to the following code snippet to switch to underline mode.

Source
Preview
index.ts
index.html
Copied to clipboard
import { PdfViewer, Toolbar, Magnification, Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation} from '@syncfusion/ej2-pdfviewer';

PdfViewer.Inject(Toolbar,Magnification,Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation);

let pdfviewer: PdfViewer = new PdfViewer({ documentPath:'PDF_Succinctly.pdf' });
pdfviewer.serviceUrl = 'https://ej2services.syncfusion.com/production/web-services/api/pdfviewer';
pdfviewer.appendTo('#PdfViewer');

document.getElementById('set').addEventListener('click', ()=> {
pdfviewer.annotation.setAnnotationMode('Underline');
});
Copied to clipboard
<!DOCTYPE html>
<html lang="en">

<head>
            
    <title>EJ2 PDF Viewer</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript PDF Viewer Control" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-base/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-pdfviewer/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-inputs/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-notifications/styles/material.css" rel="stylesheet" />
    
    
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>
<body>
    <div id='loader'>Loading....</div>
	<!--Element to set text markup annotation mode-->
    <button id="set">Underline</button>
    <div id='container'>
        <div id='PdfViewer' style="height:500px;width:100%;"></div>        
    </div>
</body>
</html>

Refer to the following code snippet to switch back to normal mode from underline mode.

Source
Preview
index.ts
index.html
Copied to clipboard
import { PdfViewer, Toolbar, Magnification, Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation} from '@syncfusion/ej2-pdfviewer';

PdfViewer.Inject(Toolbar,Magnification,Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation);

let pdfviewer: PdfViewer = new PdfViewer({ documentPath:'PDF_Succinctly.pdf' });
pdfviewer.serviceUrl = 'https://ej2services.syncfusion.com/production/web-services/api/pdfviewer';
pdfviewer.appendTo('#PdfViewer');

document.getElementById('set').addEventListener('click', ()=> {
pdfviewer.annotation.setAnnotationMode('Underline');
});

document.getElementById(‘setNone’).addEventListener('click', ()=> {
pdfviewer.annotation.setAnnotationMode('None');
});
Copied to clipboard
<!DOCTYPE html>
<html lang="en">

<head>
            
    <title>EJ2 PDF Viewer</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript PDF Viewer Control" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-base/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-pdfviewer/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-inputs/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-notifications/styles/material.css" rel="stylesheet" />
    
    
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>
<body>
    <div id='loader'>Loading....</div>
	<!--Element to set text markup annotation mode-->
    <button id="set">Underline</button>
    <!--Element to set normal mode-->
    <button id="setNone">Normal Mode</button>
    <div id='container'>
        <div id='PdfViewer' style="height:500px;width:100%;"></div>        
    </div>
</body>
</html>

Strikethrough a text

There are two ways to strikethrough a text in the PDF document:

  1. Using the context menu
  2. Select a text in the PDF document and right-click it.
  3. Select Strikethrough option in the context menu that appears.

Alt text

  1. Using the annotation toolbar
  2. Click the Edit Annotation button in the PDF Viewer toolbar. A toolbar appears below it.
  3. Select the Strikethrough button in the annotation toolbar. It enables the strikethrough mode.
  4. Select the text and the strikethrough annotation will be added.
  5. You can also select the text and apply the strikethrough annotation using the Strikethrough button.

Alt text

In the pan mode, if the strikethrough mode is entered, the PDF Viewer control will switch to text select mode to enable the text selection for striking through the text.

Refer to the following code snippet to switch to strikethrough mode.

Source
Preview
index.ts
index.html
Copied to clipboard
import { PdfViewer, Toolbar, Magnification, Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation} from '@syncfusion/ej2-pdfviewer';

PdfViewer.Inject(Toolbar,Magnification,Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation);

let pdfviewer: PdfViewer = new PdfViewer({ documentPath:'PDF_Succinctly.pdf' });
pdfviewer.serviceUrl = 'https://ej2services.syncfusion.com/production/web-services/api/pdfviewer';
pdfviewer.appendTo('#PdfViewer');

document.getElementById('set').addEventListener('click', ()=> {
pdfviewer.annotation.setAnnotationMode('Strikethrough');
});
Copied to clipboard
<!DOCTYPE html>
<html lang="en">

<head>
            
    <title>EJ2 PDF Viewer</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript PDF Viewer Control" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-base/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-pdfviewer/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-inputs/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-notifications/styles/material.css" rel="stylesheet" />
    
    
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>
<body>
    <div id='loader'>Loading....</div>
	<!--Element to set text markup annotation mode-->
    <button id="set">Strikethrough</button>
    <div id='container'>
        <div id='PdfViewer' style="height:500px;width:100%;"></div>        
    </div>
</body>
</html>

Refer to the following code snippet to switch back to normal mode from underline mode.

Source
Preview
index.ts
index.html
Copied to clipboard
import { PdfViewer, Toolbar, Magnification, Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation} from '@syncfusion/ej2-pdfviewer';

PdfViewer.Inject(Toolbar,Magnification,Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation);

let pdfviewer: PdfViewer = new PdfViewer({ documentPath:'PDF_Succinctly.pdf' });
pdfviewer.serviceUrl = 'https://ej2services.syncfusion.com/production/web-services/api/pdfviewer';
pdfviewer.appendTo('#PdfViewer');

document.getElementById('set').addEventListener('click', ()=> {
pdfviewer.annotation.setAnnotationMode('Strikethrough');
});

document.getElementById(‘setNone’).addEventListener('click', ()=> {
pdfviewer.annotation.setAnnotationMode('None');
});
Copied to clipboard
<!DOCTYPE html>
<html lang="en">

<head>
            
    <title>EJ2 PDF Viewer</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript PDF Viewer Control" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-base/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-pdfviewer/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-inputs/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-notifications/styles/material.css" rel="stylesheet" />
    
    
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>
<body>
    <div id='loader'>Loading....</div>
	<!--Element to set text markup annotation mode-->
    <button id="set">Strikethrough</button>
    <!--Element to set normal mode-->
    <button id="setNone">Normal Mode</button>
    <div id='container'>
        <div id='PdfViewer' style="height:500px;width:100%;"></div>        
    </div>
</body>
</html>

Deleting a text markup annotation

The selected annotation can be deleted by the following ways:

  1. Using Delete key
  2. Select the annotation to be deleted.
  3. Click the Delete key in the keyboard. The selected annotation will be deleted.
  4. Using the annotation toolbar
  5. Select the annotation to be deleted.
  6. Click the Delete Annotation button in the annotation toolbar. The selected annotation will be deleted.

Alt text

Editing the properties of the text markup annotation

The color and the opacity of the text markup annotation can be edited using the Edit Color tool and the Edit Opacity tool in the annotation toolbar.

Editing color

The color of the annotation can be edited using the color palette provided in the Edit Color tool.

Alt text

Editing opacity

The opacity of the annotation can be edited using the range slider provided in the Edit Opacity tool.

Alt text

Setting default properties during control initialization

The properties of the text markup annotation can be set before creating the control using highlightSettings, underlineSettings, and strikethroughSettings.

After editing the default color and opacity using the Edit Color tool and Edit Opacity tool, they will be changed to the selected values.

Refer to the following code snippet to set the default annotation settings.

Copied to clipboard
import { PdfViewer, Toolbar, Magnification, Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation} from '@syncfusion/ej2-pdfviewer';

PdfViewer.Inject(Toolbar,Magnification,Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation);

let pdfviewer: PdfViewer = new PdfViewer({ documentPath:'PDF_Succinctly.pdf',
highlightSettings: {author: 'Guest User', subject: 'Important', color: '#ffff00', opacity: 0.9, modifiedDate: ''},
underlineSettings: {author: 'Guest User', subject: 'Points to be remembered', color: '#00ffff', opacity: 0.9, modifiedDate: ''},
strikethroughSettings: {author: 'Guest User', subject: 'Not Important', color: '#ff00ff', opacity: 0.9, modifiedDate: ''} });
pdfviewer.serviceUrl = 'https://ej2services.syncfusion.com/production/web-services/api/pdfviewer';
pdfviewer.appendTo('#PdfViewer');

Performing undo and redo

The PDF Viewer performs undo and redo for the changes made in the PDF document. In text markup annotation, undo and redo actions are provided for:

  • Inclusion of the text markup annotations.
  • Deletion of the text markup annotations.
  • Change of either color or opacity of the text markup annotations.

Undo and redo actions can be done by the following ways:

  1. Using keyboard shortcuts: After performing a text markup annotation action, you can undo it by using Ctrl + Z shortcut and redo by using Ctrl + Y shortcut.
  2. Using toolbar: Undo and redo can be done using the Undo tool and Redo tool provided in the toolbar.

Refer to the following code snippet for calling undo and redo actions from the client-side.

Source
Preview
index.ts
index.html
Copied to clipboard
import { PdfViewer, Toolbar, Magnification, Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation} from '@syncfusion/ej2-pdfviewer';

PdfViewer.Inject(Toolbar,Magnification,Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation);

let pdfviewer: PdfViewer = new PdfViewer({ documentPath:'PDF_Succinctly.pdf' });
pdfviewer.serviceUrl = 'https://ej2services.syncfusion.com/production/web-services/api/pdfviewer';
pdfviewer.appendTo('#PdfViewer');

document.getElementById('undo').addEventListener('click', ()=> {
pdfviewer.undo();
});

document.getElementById(‘redo’).addEventListener('click', ()=> {
pdfviewer.redo();
});
Copied to clipboard
<!DOCTYPE html>
<html lang="en">

<head>
            
    <title>EJ2 PDF Viewer</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript PDF Viewer Control" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-base/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-pdfviewer/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-inputs/styles/material.css" rel="stylesheet" />    
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-notifications/styles/material.css" rel="stylesheet" />
    
    
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>
<body>
    <div id='loader'>Loading....</div>
    <!--Element to call undo-->
    <button id="undo">Undo</button>
    <!--Element to call redo-->
    <button id="redo"> Redo</button>
    <div id='container'>
        <div id='PdfViewer' style="height:500px;width:100%;"></div>        
    </div>
</body>
</html>

Saving the text markup annotation

When you click the download tool in the toolbar, the text markup annotations will be saved in the PDF document. This action will not affect the original document.

Printing the text markup annotation

When the print tool is selected in the toolbar, the PDF document will be printed along with the text markup annotations added to the pages. This action will not affect the original document.

Disabling text markup annotation

The PDF Viewer control provides an option to disable the text markup annotation feature. The code snippet for disabling the feature is as follows.

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import { PdfViewer, Toolbar, Magnification, Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation} from '@syncfusion/ej2-pdfviewer';

PdfViewer.Inject(Toolbar,Magnification,Navigation, LinkAnnotation,ThumbnailView,BookmarkView,
TextSelection, Annotation);

let pdfviewer: PdfViewer = new PdfViewer({ documentPath:'PDF_Succinctly.pdf', enableTextMarkupAnnotation: false });
pdfviewer.serviceUrl = 'https://ej2services.syncfusion.com/production/web-services/api/pdfviewer';
pdfviewer.appendTo('#PdfViewer');

See also

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