PdfSignatureField

6 Feb 202610 minutes to read

PdfSignatureField class represents the signature field objects.

// Load an existing PDF document
let document: PdfDocument = new PdfDocument(data);
// Gets the first page of the document
let page: PdfPage = document.getPage(0);
// Access the PDF form
let form: PdfForm = document.form;
// Create a new signature field
let field: PdfSignatureField = new PdfSignatureField(page, 'Signature', {x: 10, y: 10, width: 100, height: 50});
// Add the field into PDF form
form.add(field);
// Save the document
document.save('output.pdf');
// Destroy the document
document.destroy();

Properties

Get backColor PdfColor

Gets the background color of the field.

Set backColor void

Sets the background color of the field.

Parameter	Type	Description
value	PdfColor	Array with R, G, B color values in between 0 to 255.

Get border PdfInteractiveBorder

Gets the width, style and dash of the border of the field.

Set border void

Sets the width, style and dash of the border of the field.

Parameter	Type	Description
value	PdfInteractiveBorder	Border properties.

Get borderColor PdfColor

Gets the border color of the field.

Set borderColor void

Sets the border color of the field.

Parameter	Type	Description
value	PdfColor	Array with R, G, B, A color values in between 0 to 255.

Get bounds Rectangle

Gets the bounds.

Set bounds void

Sets the bounds.

Parameter	Type	Description
value	Rectangle	Bounds.

Get color PdfColor

Gets the fore color of the field.

Set color void

Sets the fore color of the field.

Parameter	Type	Description
value	PdfColor	R, G, B color values in between 0 to 255.

Get export boolean

Gets a value indicating whether the field is allow to export data or not.

Set export void

Sets a value indicating whether the field is allow to export data or not.

Parameter	Type	Description
value	boolean	Allow to export data or not.

Get flatten boolean

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

Set flatten void

Sets the boolean flag indicating whether the form field have been flattened or not.

Parameter	Type	Description
value	boolean	Flatten.

Get form PdfForm

Gets the form object of the field (Read only).

Get isSigned boolean

Gets the flag to indicate whether the field is signed or not.

Get itemsCount number

Gets the count of the loaded field items (Read only).

Get mappingName string

Gets the mapping name to be used when exporting interactive form field data from the document.

Set mappingName void

Sets the mapping name to be used when exporting interactive form field data from the document.

Parameter	Type	Description
value	string	Mapping name.

Get name string

Gets the name of the field (Read only).

Get page PdfPage

Gets the page object of the form field (Read only).

Get readOnly boolean

Gets a value indicating whether read only.

Set readOnly void

Sets a value indicating whether read only.

Parameter	Type	Description
value	boolean	Read only or not.

Get required boolean

Gets a value indicating whether the field is required.

Set required void

Sets a value indicating whether the field is required.

Parameter	Type	Description
value	boolean	Required or not.

Get rotate number

Gets the rotation angle of the field.

Set rotate void

Sets the rotation angle of the field.

Parameter	Type	Description
value	number	Rotation angle.

Get rotationAngle PdfRotationAngle

Gets the rotation of the field (Read only).

Get tabIndex number

Gets the tab index of annotation in current page.

Set tabIndex void

Sets the tab index of a annotation in the current page.

Parameter	Type	Description
value	number	Index.

Get toolTip string

Gets the tool tip of the form field.

Set toolTip void

Sets the tool tip of the form field.

Parameter	Type	Description
value	string	Tooltip.

Get visibility PdfFormFieldVisibility

Gets the form field visibility.

Set visibility void

Sets the form field visibility.

Parameter	Type	Description
value	PdfFormFieldVisibility	Visibility.

Get visible boolean

Gets a value indicating the visibility of the field (Read only).

Set visible void

Sets a value indicating the visibility of the field.
Only applicable for newly created PDF form fields.

Parameter	Type	Description
value	boolean	Or not.

Methods

getAppearance

Gets the appearance of the PDF signature field.

Returns PdfAppearance

getRevision

Gets the revision index of the PDF signature field.

Returns number

getSignature

Gets the signature associated with the PDF signature field.

Returns PdfSignature

getValue

Gets the value associated with the specified key.

Parameter	Type	Description
name	string	Key.

Returns string

itemAt

Gets the field item as PdfWidgetAnnotation at the specified index.

Parameter	Type	Description
index	number	Item index.

Returns PdfWidgetAnnotation

removeItem

Remove the specified form field item.

Parameter	Type	Description
item	PdfWidgetAnnotation	Item to remove.

Returns void

removeItemAt

Remove the form field item from the specified index.

Parameter	Type	Description
index	number	Item index to remove.

Returns void

setAppearance

Sets the flag to indicate the new appearance creation.

Parameter	Type	Description
value	boolean	Set appearance.

Returns void

setSignature

Sets the signature for the PDF signature field.

Parameter	Type	Description
signature	PdfSignature	The signature to assign to the field.

Returns void

setValue

Sets the value associated with the specified key.

Parameter	Type	Description
name	string	Key.
value	string	Value associated with the key..

Returns void