Add Stamp Annotations
If stamp annotations are added without appearances they may not be shown in all PDF viewer applications.
This demo shows you how to add stamp annotations including their appearances.
The appearances are simply stored as pages in a separate PDF file and imported when needed.
PHP
<?php
use \SetaPDF_Core_Document_Page_Annotation_Stamp as StampAnnotation;
// load and register the autoload function
require_once '../../../../../bootstrap.php';
$iconNameToPageNo = [
StampAnnotation::ICON_APPROVED => 1,
StampAnnotation::ICON_NOT_APPROVED => 18,
StampAnnotation::ICON_EXPERIMENTAL => 20,
StampAnnotation::ICON_AS_IS => 21,
StampAnnotation::ICON_EXPIRED => 7,
StampAnnotation::ICON_NOT_FOR_PUBLIC_RELEASE => 14,
StampAnnotation::ICON_CONFIDENTIAL => 9,
StampAnnotation::ICON_FINAL => 6,
StampAnnotation::ICON_SOLD => 23,
StampAnnotation::ICON_DEPARTMENTAL => 22,
StampAnnotation::ICON_FOR_COMMENT => 11,
StampAnnotation::ICON_TOP_SECRET => 19,
StampAnnotation::ICON_DRAFT => 8,
StampAnnotation::ICON_FOR_PUBLIC_RELEASE => 15,
'Verified' => 2,
'Revised' => 3,
'Reviewed' => 4,
'Received' => 5,
'Completed' => 10,
'InformationOnly' => 12,
'PreliminaryResults' => 13,
'Void' => 16,
'Emergency' => 17
];
$iconName = displaySelect('Icon Name:', $iconNameToPageNo, true, true);
$x = 50;
$y = 700;
$width = 180;
$writer = new \SetaPDF_Core_Writer_Http('stamped.pdf', true);
$document = new \SetaPDF_Core_Document($writer);
$page = $document->getCatalog()->getPages()->create(\SetaPDF_Core_PageFormats::A4);
$stampAppearances = \SetaPDF_Core_Document::loadByFilename($assetsDirectory . '/pdfs/stamps.pdf');
$appearancePageNo = $iconNameToPageNo[$iconName];
if (isset($appearancePageNo)) {
$appearance = $stampAppearances->getCatalog()->getPages()->getPage($appearancePageNo)->toXObject($document);
$height = $appearance->getHeight($width);
$annotation = new StampAnnotation([$x, $y, $x + $width, $y + $height]);
$annotation->setIconName($iconName);
$annotation->setAppearance($appearance);
$annotation->setName(uniqid('', true));
$page->getAnnotations()->add($annotation);
}
$document->save()->finish();