PdfWatermarkAnnotation API in JavaScript PDF API control

PdfWatermarkAnnotation class represents the watermark annotation objects.

// Load an existing PDF document
let document: PdfDocument = new PdfDocument(data, password);
// Get the first page
let page: PdfPage = document.getPage(0) as PdfPage;
// Create a new water mark annotation
const annotation: PdfWatermarkAnnotation = new PdfWatermarkAnnotation('Water Mark', 50, 100, 100, 50);
// Set the color of the annotation
annotation.color = [0, 0, 0];
// Add annotation to the page
page.annotations.add(annotation);
// Save the document
document.save('output.pdf');
// Destroy the document
document.destroy();

Properties

author string

Gets the author of the annotation.

border PdfAnnotationBorder

Gets the border of the annotation.

bounds Object

Gets the bounds of the annotation.

caption PdfAnnotationCaption

Gets the caption of the annotation.

color number[]

Gets the fore color of the annotation.

creationDate Date

Gets the creation date of the annotation.

flags PdfAnnotationFlag

Gets the flags of the annotation.

flatten boolean

Gets the boolean flag indicating whether the annotation have been flattened or not.

flattenPopups boolean

Gets the boolean flag indicating whether annotation’s popup have been flattened or not.

innerColor number[]

Gets the inner color of the annotation.

layer PdfLayer

Gets the PdfLayer of the annotation.

modifiedDate Date

Gets the modification date of the annotation.

name string

Gets the name of the annotation.

opacity number

Gets the opacity of the annotation.

rotate number

Gets the rotation angle of the annotation (Read only).

rotationAngle PdfRotationAngle

Gets the rotation of the annotation.

subject string

Gets the subject of the annotation.

text string

Gets the text of the annotation.

Methods

getValues

Gets the values associated with the specified key.

Returns string[]

setAppearance

Set the boolean flag to create a new appearance stream for annotations.

Returns void

setValues

Sets the values associated with the specified key.

Returns void