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Option to create signature appearance with a fixed name #90

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Option to create signature appearance with a fixed name #90

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8 changes: 5 additions & 3 deletions src/PDFDoc.php
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Original file line number Diff line number Diff line change
Expand Up @@ -264,12 +264,14 @@ public function get_object($oid, $original_version = false) {
* @param page the page (zero based) in which the signature will appear
* @param rect the rectangle (in page-based coordinates) where the signature will appear in that page
* @param imagefilename an image file name (or an image in a buffer, with symbol '@' prepended) that will be put inside the rect
* @param string|null $name the name of the signature (if not set, a random name will be used)
*/
public function set_signature_appearance($page_to_appear = 0, $rect_to_appear = [0, 0, 0, 0], $imagefilename = null) {
public function set_signature_appearance($page_to_appear = 0, $rect_to_appear = [0, 0, 0, 0], $imagefilename = null, $name = null) {
$this->_appearance = [
"page" => $page_to_appear,
"rect" => $rect_to_appear,
"image" => $imagefilename
"image" => $imagefilename,
"name" => $name,
];
}

Expand Down Expand Up @@ -448,7 +450,7 @@ protected function _generate_signature_in_document() {
"Subtype" => "/Widget",
"FT" => "/Sig",
"V" => new PDFValueString(""),
"T" => new PDFValueString('Signature' . get_random_string()),
"T" => new PDFValueString('Signature' . $this->_appearance['name'] ?? get_random_string()),
"P" => new PDFValueReference($page_obj->get_oid()),
"Rect" => $recttoappear,
"F" => 132 // TODO: check this value
Expand Down