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@ -1,13 +1,13 @@
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<?php
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//============================================================+
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// File name : tcpdf.php
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// Version : 6.6.5
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// Version : 6.7.5
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// Begin : 2002-08-03
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// Last Update : 2023-09-06
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// Last Update : 2024-03-18
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// Author : Nicola Asuni - Tecnick.com LTD - www.tecnick.com - info@tecnick.com
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// License : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html)
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// -------------------------------------------------------------------
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// Copyright (C) 2002-2023 Nicola Asuni - Tecnick.com LTD
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// Copyright (C) 2002-2024 Nicola Asuni - Tecnick.com LTD
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//
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// This file is part of TCPDF software library.
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//
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@ -128,7 +128,7 @@ require_once(dirname(__FILE__).'/include/tcpdf_static.php');
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* TCPDF project (http://www.tcpdf.org) has been originally derived in 2002 from the Public Domain FPDF class by Olivier Plathey (http://www.fpdf.org), but now is almost entirely rewritten.<br>
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* @package com.tecnick.tcpdf
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* @brief PHP class for generating PDF documents without requiring external extensions.
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* @version 6.6.5
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* @version 6.7.5
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* @author Nicola Asuni - info@tecnick.com
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* @IgnoreAnnotation("protected")
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* @IgnoreAnnotation("public")
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@ -838,6 +838,13 @@ class TCPDF {
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*/
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protected $file_id;
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/**
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* Internal secret used to encrypt data.
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* @protected
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* @since 6.7.5 (2024-03-21)
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*/
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protected $hash_key;
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// --- bookmark ---
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/**
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@ -1880,10 +1887,10 @@ class TCPDF {
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// set file ID for trailer
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$serformat = (is_array($format) ? json_encode($format) : $format);
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$this->file_id = md5(TCPDF_STATIC::getRandomSeed('TCPDF'.$orientation.$unit.$serformat.$encoding));
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$this->hash_key = hash_hmac('sha256', TCPDF_STATIC::getRandomSeed($this->file_id), TCPDF_STATIC::getRandomSeed('TCPDF'), false);
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$this->font_obj_ids = array();
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$this->page_obj_id = array();
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$this->form_obj_id = array();
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// set pdf/a mode
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if ($pdfa != false) {
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$this->pdfa_mode = true;
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@ -4427,7 +4434,7 @@ class TCPDF {
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$this->Error('Unknow font type: '.$type.'');
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}
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// set name if unset
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if (!isset($name) OR empty($name)) {
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if (empty($name)) {
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$name = $fontkey;
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}
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// create artificial font style variations if missing (only works with non-embedded fonts)
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@ -4470,7 +4477,7 @@ class TCPDF {
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// we are inside an XObject template
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$this->xobjects[$this->xobjid]['fonts'][$fontkey] = $this->numfonts;
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}
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if (isset($diff) AND (!empty($diff))) {
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if (!empty($diff)) {
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//Search existing encodings
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$d = 0;
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$nb = count($this->diffs);
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@ -16389,6 +16396,53 @@ class TCPDF {
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* @since 3.2.000 (2008-06-20)
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*/
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protected function getHtmlDomArray($html) {
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// set inheritable properties fot the first void element
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// possible inheritable properties are: azimuth, border-collapse, border-spacing, caption-side, color, cursor, direction, empty-cells, font, font-family, font-stretch, font-size, font-size-adjust, font-style, font-variant, font-weight, letter-spacing, line-height, list-style, list-style-image, list-style-position, list-style-type, orphans, page, page-break-inside, quotes, speak, speak-header, text-align, text-indent, text-transform, volume, white-space, widows, word-spacing
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$dom = array(
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array(
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'tag' => false,
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'block' => false,
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'value' => '',
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'parent' => 0,
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'hide' => false,
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'fontname' => $this->FontFamily,
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'fontstyle' => $this->FontStyle,
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'fontsize' => $this->FontSizePt,
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'font-stretch' => $this->font_stretching,
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'letter-spacing' => $this->font_spacing,
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'stroke' => $this->textstrokewidth,
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'fill' => (($this->textrendermode % 2) == 0),
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'clip' => ($this->textrendermode > 3),
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'line-height' => $this->cell_height_ratio,
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'bgcolor' => false,
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'fgcolor' => $this->fgcolor, // color
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'strokecolor' => $this->strokecolor,
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'align' => '',
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'listtype' => '',
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'text-indent' => 0,
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'text-transform' => '',
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'border' => array(),
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'dir' => $this->rtl?'rtl':'ltr',
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'width' => 0,
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'height' => 0,
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'x' => 0,
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'y' => 0,
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'w' => 0,
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'h' => 0,
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'l' => 0,
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't' => 0,
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'r' => 0,
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'b' => 0,
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'padding' => array('T' => 0, 'R' => 0, 'B' => 0, 'L' => 0),
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'margin' => array('T' => 0, 'R' => 0, 'B' => 0, 'L' => 0),
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'border-spacing' => array('H' => 0, 'V' => 0),
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'border-collapse' => 'separate',
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)
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);
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if(empty($html)) {
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return $dom;
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}
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// array of CSS styles ( selector => properties).
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$css = array();
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// get CSS array defined at previous call
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@ -16533,37 +16587,8 @@ class TCPDF {
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// count elements
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$maxel = count($a);
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$elkey = 0;
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$key = 0;
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// create an array of elements
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$dom = array();
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$dom[$key] = array();
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// set inheritable properties fot the first void element
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// possible inheritable properties are: azimuth, border-collapse, border-spacing, caption-side, color, cursor, direction, empty-cells, font, font-family, font-stretch, font-size, font-size-adjust, font-style, font-variant, font-weight, letter-spacing, line-height, list-style, list-style-image, list-style-position, list-style-type, orphans, page, page-break-inside, quotes, speak, speak-header, text-align, text-indent, text-transform, volume, white-space, widows, word-spacing
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$dom[$key]['tag'] = false;
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$dom[$key]['block'] = false;
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$dom[$key]['value'] = '';
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$dom[$key]['parent'] = 0;
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$dom[$key]['hide'] = false;
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$dom[$key]['fontname'] = $this->FontFamily;
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$dom[$key]['fontstyle'] = $this->FontStyle;
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$dom[$key]['fontsize'] = $this->FontSizePt;
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$dom[$key]['font-stretch'] = $this->font_stretching;
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$dom[$key]['letter-spacing'] = $this->font_spacing;
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$dom[$key]['stroke'] = $this->textstrokewidth;
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$dom[$key]['fill'] = (($this->textrendermode % 2) == 0);
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$dom[$key]['clip'] = ($this->textrendermode > 3);
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$dom[$key]['line-height'] = $this->cell_height_ratio;
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$dom[$key]['bgcolor'] = false;
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$dom[$key]['fgcolor'] = $this->fgcolor; // color
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$dom[$key]['strokecolor'] = $this->strokecolor;
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$dom[$key]['align'] = '';
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$dom[$key]['listtype'] = '';
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$dom[$key]['text-indent'] = 0;
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$dom[$key]['text-transform'] = '';
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$dom[$key]['border'] = array();
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$dom[$key]['dir'] = $this->rtl?'rtl':'ltr';
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$thead = false; // true when we are inside the THEAD tag
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++$key;
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$key = 1;
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$level = array();
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array_push($level, 0); // root
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while ($elkey < $maxel) {
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@ -17200,41 +17225,59 @@ class TCPDF {
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}
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/**
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* Return an hash code used to ensure that the serialized data has been generated by this TCPDF instance.
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* @param string $data serialized data
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* @return string
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* @public static
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* Calculates the hash value of the given data.
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*
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* @param string $data The data to be hashed.
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* @return string The hashed value of the data.
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*/
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protected function getHashForTCPDFtagParams($data) {
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return md5(strlen($data).$this->file_id.$data);
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protected function hashTCPDFtag($data) {
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return hash_hmac('sha256', $data, $this->hash_key, false);
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}
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/**
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* Serialize an array of parameters to be used with TCPDF tag in HTML code.
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* @param array $data parameters array
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* @return string containing serialized data
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* Serialize data to be used with TCPDF tag in HTML code.
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* @param string $method TCPDF method name
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* @param array $params Method parameters
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* @return string Serialized data
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* @public static
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*/
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public function serializeTCPDFtagParameters($data) {
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public function serializeTCPDFtag($method, $params=array()) {
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$data = array('m' => $method, 'p' => $params);
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$encoded = urlencode(json_encode($data));
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return $this->getHashForTCPDFtagParams($encoded).$encoded;
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$hash = $this->hashTCPDFtag($encoded);
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return strlen($hash).'+'.$hash.'+'.$encoded;
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}
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/**
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* Unserialize parameters to be used with TCPDF tag in HTML code.
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* Unserialize data to be used with TCPDF tag in HTML code.
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* @param string $data serialized data
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* @return array containing unserialized data
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* @protected static
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*/
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protected function unserializeTCPDFtagParameters($data) {
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$hash = substr($data, 0, 32);
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$encoded = substr($data, 32);
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if ($hash != $this->getHashForTCPDFtagParams($encoded)) {
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protected function unserializeTCPDFtag($data) {
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$hpos = strpos($data, '+');
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$hlen = intval(substr($data, 0, $hpos));
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$hash = substr($data, $hpos + 1, $hlen);
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$encoded = substr($data, $hpos + 2 + $hlen);
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if ($hash != $this->hashTCPDFtag($encoded)) {
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$this->Error('Invalid parameters');
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}
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return json_decode(urldecode($encoded), true);
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}
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/**
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* Check if a TCPDF tag is allowed
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* @param string $method TCPDF method name
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* @return boolean
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* @protected
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*/
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protected function allowedTCPDFtag($method) {
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if (defined('K_ALLOWED_TCPDF_TAGS')) {
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return (strpos(K_ALLOWED_TCPDF_TAGS, '|'.$method.'|') !== false);
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}
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return false;
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}
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/**
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* Prints a cell (rectangular area) with optional borders, background color and html text string.
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* The upper-left corner of the cell corresponds to the current position. After the call, the current position moves to the right or to the next line.<br />
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@ -17248,8 +17291,7 @@ class TCPDF {
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* @param float|null $y upper-left corner Y coordinate
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* @param string $html html text to print. Default value: empty string.
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* @param mixed $border Indicates if borders must be drawn around the cell. The value can be a number:<ul><li>0: no border (default)</li><li>1: frame</li></ul> or a string containing some or all of the following characters (in any order):<ul><li>L: left</li><li>T: top</li><li>R: right</li><li>B: bottom</li></ul> or an array of line styles for each border group - for example: array('LTRB' => array('width' => 2, 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => array(0, 0, 0)))
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* @param int $ln Indicates where the current position should go after the call. Possible values are:<ul><li>0: to the right (or left for RTL language)</li><li>1: to the beginning of the next line</li><li>2: below</li></ul>
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Putting 1 is equivalent to putting 0 and calling Ln() just after. Default value: 0.
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* @param int $ln Indicates where the current position should go after the call. Possible values are:<ul><li>0: to the right (or left for RTL language)</li><li>1: to the beginning of the next line</li><li>2: below</li></ul> Putting 1 is equivalent to putting 0 and calling Ln() just after. Default value: 0.
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* @param boolean $fill Indicates if the cell background must be painted (true) or transparent (false).
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* @param boolean $reseth if true reset the last cell height (default true).
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* @param string $align Allows to center or align the text. Possible values are:<ul><li>L : left align</li><li>C : center</li><li>R : right align</li><li>'' : empty string : left for LTR or right for RTL</li></ul>
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@ -19510,17 +19552,14 @@ Putting 1 is equivalent to putting 0 and calling Ln() just after. Default value:
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case 'tcpdf': {
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if (defined('K_TCPDF_CALLS_IN_HTML') AND (K_TCPDF_CALLS_IN_HTML === true)) {
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// Special tag used to call TCPDF methods
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if (isset($tag['attribute']['method'])) {
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$tcpdf_method = $tag['attribute']['method'];
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if (method_exists($this, $tcpdf_method)) {
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if (isset($tag['attribute']['params']) AND (!empty($tag['attribute']['params']))) {
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$params = $this->unserializeTCPDFtagParameters($tag['attribute']['params']);
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call_user_func_array(array($this, $tcpdf_method), $params);
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} else {
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$this->$tcpdf_method();
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}
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$this->newline = true;
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// This tag is disabled by default by the K_TCPDF_CALLS_IN_HTML constant on TCPDF configuration file.
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// Please use this feature only if you are in control of the HTML content and you are sure that it does not contain any harmful code.
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if (!empty($tag['attribute']['data'])) {
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$tcpdf_tag_data = $this->unserializeTCPDFtag($tag['attribute']['data']);
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if ($this->allowedTCPDFtag($tcpdf_tag_data['m'])) {
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call_user_func_array(array($this, $tcpdf_tag_data['m']), $tcpdf_tag_data['p']);
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}
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$this->newline = true;
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}
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}
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break;
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@ -21867,25 +21906,23 @@ Putting 1 is equivalent to putting 0 and calling Ln() just after. Default value:
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* @since 4.5.029 (2009-03-19)
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*/
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public function rollbackTransaction($self=false) {
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if (isset($this->objcopy)) {
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$objcopy = $this->objcopy;
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$this->_destroy(true, true);
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if ($self) {
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$objvars = get_object_vars($objcopy);
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foreach ($objvars as $key => $value) {
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$this->$key = $value;
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}
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$objcopy->_destroy(true, true);
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/* The unique file_id should not be used during cleanup again */
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$objcopy->file_id = NULL;
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unset($objcopy);
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return $this;
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}
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/* The unique file_id should not be used during cleanup again */
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$this->file_id = NULL;
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return $objcopy;
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if (!isset($this->objcopy)) {
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return $this;
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}
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return $this;
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$file_id = $this->file_id;
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$objcopy = $this->objcopy;
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$this->_destroy(true, true);
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if ($self) {
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$objvars = get_object_vars($objcopy);
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foreach ($objvars as $key => $value) {
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$this->$key = $value;
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}
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$objcopy->_destroy(true, true);
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unset($objcopy);
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return $this;
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}
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$this->file_id = $file_id;
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return $objcopy;
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}
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// --- MULTI COLUMNS METHODS -----------------------
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Daniel Ziegenberg