/include/html2pdf/_tcpdf/tcpdf.php

Large files files are truncated, but you can click here to view the full file

<?php
//============================================================+
// File name   : tcpdf.php
// Begin       : 2002-08-03
// Last Update : 2010-05-06
// Author      : Nicola Asuni - info@tecnick.com - http://www.tcpdf.org
// Version     : 5.0.002
// License     : GNU LGPL (http://www.gnu.org/copyleft/lesser.html)
// 	----------------------------------------------------------------------------
//  Copyright (C) 2002-2010  Nicola Asuni - Tecnick.com S.r.l.
//
// 	This program is free software: you can redistribute it and/or modify
// 	it under the terms of the GNU Lesser General Public License as published by
// 	the Free Software Foundation, either version 2.1 of the License, or
// 	(at your option) any later version.
//
// 	This program is distributed in the hope that it will be useful,
// 	but WITHOUT ANY WARRANTY; without even the implied warranty of
// 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// 	GNU Lesser General Public License for more details.
//
// 	You should have received a copy of the GNU Lesser General Public License
// 	along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// 	See LICENSE.TXT file for more information.
//  ----------------------------------------------------------------------------
//
// Description : This is a PHP class for generating PDF documents without
//               requiring external extensions.
//
// NOTE:
// This class was originally derived in 2002 from the Public
// Domain FPDF class by Olivier Plathey (http://www.fpdf.org),
// but now is almost entirely rewritten.
//
// Main features:
//  * no external libraries are required for the basic functions;
//  * all ISO page formats, custom page formats, custom margins and units of measure;
//  * UTF-8 Unicode and Right-To-Left languages;
//  * TrueTypeUnicode, OpenTypeUnicode, TrueType, OpenType, Type1 and CID-0 fonts;
//  * methods to publish some XHTML code, Javascript and Forms;
//  * images, graphic (geometric figures) and transformation methods;
//  * supports JPEG, PNG and SVG images natively, all images supported by GD (GD, GD2, GD2PART, GIF, JPEG, PNG, BMP, XBM, XPM) and all images supported via ImagMagick (http://www.imagemagick.org/www/formats.html)
//  * 1D and 2D barcodes: CODE 39, ANSI MH10.8M-1983, USD-3, 3 of 9, CODE 93, USS-93, Standard 2 of 5, Interleaved 2 of 5, CODE 128 A/B/C, 2 and 5 Digits UPC-Based Extention, EAN 8, EAN 13, UPC-A, UPC-E, MSI, POSTNET, PLANET, RMS4CC (Royal Mail 4-state Customer Code), CBC (Customer Bar Code), KIX (Klant index - Customer index), Intelligent Mail Barcode, Onecode, USPS-B-3200, CODABAR, CODE 11, PHARMACODE, PHARMACODE TWO-TRACKS, QR-Code;
//  * Grayscale, RGB, CMYK, Spot Colors and Transparencies;
//  * automatic page header and footer management;
//  * document encryption and digital signature certifications;
//  * transactions to UNDO commands;
//  * PDF annotations, including links, text and file attachments;
//  * text rendering modes (fill, stroke and clipping);
//  * multiple columns mode;
//  * bookmarks and table of content;
//  * text hyphenation;
//  * automatic page break, line break and text alignments including justification;
//  * automatic page numbering and page groups;
//  * move and delete pages;
//  * page compression (requires php-zlib extension);
//
// -----------------------------------------------------------
// THANKS TO:
//
// Olivier Plathey (http://www.fpdf.org) for original FPDF.
// Efthimios Mavrogeorgiadis (emavro@yahoo.com) for suggestions on RTL language support.
// Klemen Vodopivec (http://www.fpdf.de/downloads/addons/37/) for Encryption algorithm.
// Warren Sherliker (wsherliker@gmail.com) for better image handling.
// dullus for text Justification.
// Bob Vincent (pillarsdotnet@users.sourceforge.net) for <li> value attribute.
// Patrick Benny for text stretch suggestion on Cell().
// Johannes Güntert for JavaScript support.
// Denis Van Nuffelen for Dynamic Form.
// Jacek Czekaj for multibyte justification
// Anthony Ferrara for the reintroduction of legacy image methods.
// Sourceforge user 1707880 (hucste) for line-trough mode.
// Larry Stanbery for page groups.
// Martin Hall-May for transparency.
// Aaron C. Spike for Polycurve method.
// Mohamad Ali Golkar, Saleh AlMatrafe, Charles Abbott for Arabic and Persian support.
// Moritz Wagner and Andreas Wurmser for graphic functions.
// Andrew Whitehead for core fonts support.
// Esteban Joël Marín for OpenType font conversion.
// Teus Hagen for several suggestions and fixes.
// Yukihiro Nakadaira for CID-0 CJK fonts fixes.
// Kosmas Papachristos for some CSS improvements.
// Marcel Partap for some fixes.
// Won Kyu Park for several suggestions, fixes and patches.
// Dominik Dzienia for QR-code support.
// Laurent Minguet for some suggestions.
// Anyone that has reported a bug or sent a suggestion.
//============================================================+

/**
 * This is a PHP class for generating PDF documents without requiring external extensions.<br>
 * TCPDF project (http://www.tcpdf.org) was originally derived in 2002 from the Public Domain FPDF class by Olivier Plathey (http://www.fpdf.org), but now is almost entirely rewritten.<br>
 * <h3>TCPDF main features are:</h3>
 * <ul>
 * <li>no external libraries are required for the basic functions;</li>
 * <li>all ISO page formats, custom page formats, custom margins and units of measure;</li>
 * <li>UTF-8 Unicode and Right-To-Left languages;</li>
 * <li>TrueTypeUnicode, OpenTypeUnicode, TrueType, OpenType, Type1 and CID-0 fonts;</li>
 * <li>methods to publish some XHTML code, Javascript and Forms;</li>
 * <li>images, graphic (geometric figures) and transformation methods;
 * <li>supports JPEG, PNG and SVG images natively, all images supported by GD (GD, GD2, GD2PART, GIF, JPEG, PNG, BMP, XBM, XPM) and all images supported via ImagMagick (http://www.imagemagick.org/www/formats.html)</li>
 * <li>1D and 2D barcodes: CODE 39, ANSI MH10.8M-1983, USD-3, 3 of 9, CODE 93, USS-93, Standard 2 of 5, Interleaved 2 of 5, CODE 128 A/B/C, 2 and 5 Digits UPC-Based Extention, EAN 8, EAN 13, UPC-A, UPC-E, MSI, POSTNET, PLANET, RMS4CC (Royal Mail 4-state Customer Code), CBC (Customer Bar Code), KIX (Klant index - Customer index), Intelligent Mail Barcode, Onecode, USPS-B-3200, CODABAR, CODE 11, PHARMACODE, PHARMACODE TWO-TRACKS, QR-Code;</li>
 * <li>Grayscale, RGB, CMYK, Spot Colors and Transparencies;</li>
 * <li>automatic page header and footer management;</li>
 * <li>document encryption and digital signature certifications;</li>
 * <li>transactions to UNDO commands;</li>
 * <li>PDF annotations, including links, text and file attachments;</li>
 * <li>text rendering modes (fill, stroke and clipping);</li>
 * <li>multiple columns mode;</li>
 * <li>bookmarks and table of content;</li>
 * <li>text hyphenation;</li>
 * <li>automatic page break, line break and text alignments including justification;</li>
 * <li>automatic page numbering and page groups;</li>
 * <li>move and delete pages;</li>
 * <li>page compression (requires php-zlib extension);</li>
 * </ul>
 * Tools to encode your unicode fonts are on fonts/utils directory.</p>
 * @package com.tecnick.tcpdf
 * @abstract Class for generating PDF files on-the-fly without requiring external extensions.
 * @author Nicola Asuni
 * @copyright 2002-2010 Nicola Asuni - Tecnick.com S.r.l (www.tecnick.com) Via Della Pace, 11 - 09044 - Quartucciu (CA) - ITALY - www.tecnick.com - info@tecnick.com
 * @link http://www.tcpdf.org
 * @license http://www.gnu.org/copyleft/lesser.html LGPL
 * @version 5.0.002
 */

/**
 * main configuration file
 */
require_once(dirname(__FILE__).'/config/tcpdf_config.php');

// includes some support files

/**
 * unicode data
 */
require_once(dirname(__FILE__).'/unicode_data.php');

/**
 * html colors table
 */
require_once(dirname(__FILE__).'/htmlcolors.php');

if (!class_exists('TCPDF', false)) {
	/**
	 * define default PDF document producer
	 */
	define('PDF_PRODUCER', 'TCPDF 5.0.002 (http://www.tcpdf.org)');

	/**
	 * This is a PHP class for generating PDF documents without requiring external extensions.<br>
	 * 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>
	 * @name TCPDF
	 * @package com.tecnick.tcpdf
	 * @version 5.0.002
	 * @author Nicola Asuni - info@tecnick.com
	 * @link http://www.tcpdf.org
	 * @license http://www.gnu.org/copyleft/lesser.html LGPL
	 */
	class TCPDF {

		// protected or Protected properties

		/**
		 * @var current page number
		 * @access protected
		 */
		protected $page;

		/**
		 * @var current object number
		 * @access protected
		 */
		protected $n;

		/**
		 * @var array of object offsets
		 * @access protected
		 */
		protected $offsets;

		/**
		 * @var buffer holding in-memory PDF
		 * @access protected
		 */
		protected $buffer;

		/**
		 * @var array containing pages
		 * @access protected
		 */
		protected $pages = array();

		/**
		 * @var current document state
		 * @access protected
		 */
		protected $state;

		/**
		 * @var compression flag
		 * @access protected
		 */
		protected $compress;

		/**
		 * @var current page orientation (P = Portrait, L = Landscape)
		 * @access protected
		 */
		protected $CurOrientation;

		/**
		 * @var array that stores page dimensions and graphic status.<ul><li>$this->pagedim[$this->page]['w'] => page_width_in_points</li><li>$this->pagedim[$this->page]['h'] => height in points</li><li>$this->pagedim[$this->page]['wk'] => page_width_in_points</li><li>$this->pagedim[$this->page]['hk'] => height</li><li>$this->pagedim[$this->page]['tm'] => top_margin</li><li>$this->pagedim[$this->page]['bm'] => bottom_margin</li><li>$this->pagedim[$this->page]['lm'] => left_margin</li><li>$this->pagedim[$this->page]['rm'] => right_margin</li><li>$this->pagedim[$this->page]['pb'] => auto_page_break</li><li>$this->pagedim[$this->page]['or'] => page_orientation</li><li>$this->pagedim[$this->page]['olm'] => original_left_margin</li><li>$this->pagedim[$this->page]['orm'] => original_right_margin</li></ul>
		 * @access protected
		 */
		protected $pagedim = array();

		/**
		 * @var scale factor (number of points in user unit)
		 * @access protected
		 */
		protected $k;

		/**
		 * @var width of page format in points
		 * @access protected
		 */
		protected $fwPt;

		/**
		 * @var height of page format in points
		 * @access protected
		 */
		protected $fhPt;

		/**
		 * @var current width of page in points
		 * @access protected
		 */
		protected $wPt;

		/**
		 * @var current height of page in points
		 * @access protected
		 */
		protected $hPt;

		/**
		 * @var current width of page in user unit
		 * @access protected
		 */
		protected $w;

		/**
		 * @var current height of page in user unit
		 * @access protected
		 */
		protected $h;

		/**
		 * @var left margin
		 * @access protected
		 */
		protected $lMargin;

		/**
		 * @var top margin
		 * @access protected
		 */
		protected $tMargin;

		/**
		 * @var right margin
		 * @access protected
		 */
		protected $rMargin;

		/**
		 * @var page break margin
		 * @access protected
		 */
		protected $bMargin;

		/**
		 * @var cell internal padding
		 * @access protected
		 */
		//protected
		public $cMargin;

		/**
		 * @var cell internal padding (previous value)
		 * @access protected
		 */
		protected $oldcMargin;

		/**
		 * @var current horizontal position in user unit for cell positioning
		 * @access protected
		 */
		protected $x;

		/**
		 * @var current vertical position in user unit for cell positioning
		 * @access protected
		 */
		protected $y;

		/**
		 * @var height of last cell printed
		 * @access protected
		 */
		protected $lasth;

		/**
		 * @var line width in user unit
		 * @access protected
		 */
		protected $LineWidth;

		/**
		 * @var array of standard font names
		 * @access protected
		 */
		protected $CoreFonts;

		/**
		 * @var array of used fonts
		 * @access protected
		 */
		protected $fonts = array();

		/**
		 * @var array of font files
		 * @access protected
		 */
		protected $FontFiles = array();

		/**
		 * @var array of encoding differences
		 * @access protected
		 */
		protected $diffs = array();

		/**
		 * @var array of used images
		 * @access protected
		 */
		protected $images = array();

		/**
		 * @var array of Annotations in pages
		 * @access protected
		 */
		protected $PageAnnots = array();

		/**
		 * @var array of internal links
		 * @access protected
		 */
		protected $links = array();

		/**
		 * @var current font family
		 * @access protected
		 */
		protected $FontFamily;

		/**
		 * @var current font style
		 * @access protected
		 */
		protected $FontStyle;

		/**
		 * @var current font ascent (distance between font top and baseline)
		 * @access protected
		 * @since 2.8.000 (2007-03-29)
		 */
		protected $FontAscent;

		/**
		 * @var current font descent (distance between font bottom and baseline)
		 * @access protected
		 * @since 2.8.000 (2007-03-29)
		 */
		protected $FontDescent;

		/**
		 * @var underlining flag
		 * @access protected
		 */
		protected $underline;

		/**
		 * @var overlining flag
		 * @access protected
		 */
		protected $overline;

		/**
		 * @var current font info
		 * @access protected
		 */
		protected $CurrentFont;

		/**
		 * @var current font size in points
		 * @access protected
		 */
		protected $FontSizePt;

		/**
		 * @var current font size in user unit
		 * @access protected
		 */
		protected $FontSize;

		/**
		 * @var commands for drawing color
		 * @access protected
		 */
		protected $DrawColor;

		/**
		 * @var commands for filling color
		 * @access protected
		 */
		protected $FillColor;

		/**
		 * @var commands for text color
		 * @access protected
		 */
		protected $TextColor;

		/**
		 * @var indicates whether fill and text colors are different
		 * @access protected
		 */
		protected $ColorFlag;

		/**
		 * @var automatic page breaking
		 * @access protected
		 */
		protected $AutoPageBreak;

		/**
		 * @var threshold used to trigger page breaks
		 * @access protected
		 */
		protected $PageBreakTrigger;

		/**
		 * @var flag set when processing footer
		 * @access protected
		 */
		protected $InFooter = false;

		/**
		 * @var zoom display mode
		 * @access protected
		 */
		protected $ZoomMode;

		/**
		 * @var layout display mode
		 * @access protected
		 */
		protected $LayoutMode;

		/**
		 * @var title
		 * @access protected
		 */
		protected $title = '';

		/**
		 * @var subject
		 * @access protected
		 */
		protected $subject = '';

		/**
		 * @var author
		 * @access protected
		 */
		protected $author = '';

		/**
		 * @var keywords
		 * @access protected
		 */
		protected $keywords = '';

		/**
		 * @var creator
		 * @access protected
		 */
		protected $creator = '';

		/**
		 * @var alias for total number of pages
		 * @access protected
		 */
		protected $AliasNbPages = '{nb}';

		/**
		 * @var alias for page number
		 * @access protected
		 */
		protected $AliasNumPage = '{pnb}';

		/**
		 * @var right-bottom corner X coordinate of inserted image
		 * @since 2002-07-31
		 * @author Nicola Asuni
		 * @access protected
		 */
		protected $img_rb_x;

		/**
		 * @var right-bottom corner Y coordinate of inserted image
		 * @since 2002-07-31
		 * @author Nicola Asuni
		 * @access protected
		 */
		protected $img_rb_y;

		/**
		 * @var adjusting factor to convert pixels to user units.
		 * @since 2004-06-14
		 * @author Nicola Asuni
		 * @access protected
		 */
		protected $imgscale = 1;

		/**
		 * @var boolean set to true when the input text is unicode (require unicode fonts)
		 * @since 2005-01-02
		 * @author Nicola Asuni
		 * @access protected
		 */
		protected $isunicode = false;

		/**
		 * @var PDF version
		 * @since 1.5.3
		 * @access protected
		 */
		protected $PDFVersion = '1.7';

		/**
		 * @var Minimum distance between header and top page margin.
		 * @access protected
		 */
		protected $header_margin;

		/**
		 * @var Minimum distance between footer and bottom page margin.
		 * @access protected
		 */
		protected $footer_margin;

		/**
		 * @var original left margin value
		 * @access protected
		 * @since 1.53.0.TC013
		 */
		protected $original_lMargin;

		/**
		 * @var original right margin value
		 * @access protected
		 * @since 1.53.0.TC013
		 */
		protected $original_rMargin;

		/**
		 * @var Header font.
		 * @access protected
		 */
		protected $header_font;

		/**
		 * @var Footer font.
		 * @access protected
		 */
		protected $footer_font;

		/**
		 * @var Language templates.
		 * @access protected
		 */
		protected $l;

		/**
		 * @var Barcode to print on page footer (only if set).
		 * @access protected
		 */
		protected $barcode = false;

		/**
		 * @var If true prints header
		 * @access protected
		 */
		protected $print_header = true;

		/**
		 * @var If true prints footer.
		 * @access protected
		 */
		protected $print_footer = true;

		/**
		 * @var Header image logo.
		 * @access protected
		 */
		protected $header_logo = '';

		/**
		 * @var Header image logo width in mm.
		 * @access protected
		 */
		protected $header_logo_width = 30;

		/**
		 * @var String to print as title on document header.
		 * @access protected
		 */
		protected $header_title = '';

		/**
		 * @var String to print on document header.
		 * @access protected
		 */
		protected $header_string = '';

		/**
		 * @var Default number of columns for html table.
		 * @access protected
		 */
		protected $default_table_columns = 4;


		// variables for html parser

		/**
		 * @var HTML PARSER: array to store current link and rendering styles.
		 * @access protected
		 */
		protected $HREF = array();

		/**
		 * @var store a list of available fonts on filesystem.
		 * @access protected
		 */
		protected $fontlist = array();

		/**
		 * @var current foreground color
		 * @access protected
		 */
		protected $fgcolor;

		/**
		 * @var HTML PARSER: array of boolean values, true in case of ordered list (OL), false otherwise.
		 * @access protected
		 */
		protected $listordered = array();

		/**
		 * @var HTML PARSER: array count list items on nested lists.
		 * @access protected
		 */
		protected $listcount = array();

		/**
		 * @var HTML PARSER: current list nesting level.
		 * @access protected
		 */
		protected $listnum = 0;

		/**
		 * @var HTML PARSER: indent amount for lists.
		 * @access protected
		 */
		protected $listindent = 0;

		/**
		 * @var HTML PARSER: current list indententation level.
		 * @access protected
		 */
		protected $listindentlevel = 0;

		/**
		 * @var current background color
		 * @access protected
		 */
		protected $bgcolor;

		/**
		 * @var Store temporary font size in points.
		 * @access protected
		 */
		protected $tempfontsize = 10;

		/**
		 * @var spacer for LI tags.
		 * @access protected
		 */
		protected $lispacer = '';

		/**
		 * @var default encoding
		 * @access protected
		 * @since 1.53.0.TC010
		 */
		protected $encoding = 'UTF-8';

		/**
		 * @var PHP internal encoding
		 * @access protected
		 * @since 1.53.0.TC016
		 */
		protected $internal_encoding;

		/**
		 * @var indicates if the document language is Right-To-Left
		 * @access protected
		 * @since 2.0.000
		 */
		protected $rtl = false;

		/**
		 * @var used to force RTL or LTR string inversion
		 * @access protected
		 * @since 2.0.000
		 */
		protected $tmprtl = false;

		// --- Variables used for document encryption:

		/**
		 * Indicates whether document is protected
		 * @access protected
		 * @since 2.0.000 (2008-01-02)
		 */
		protected $encrypted;

		/**
		 * U entry in pdf document
		 * @access protected
		 * @since 2.0.000 (2008-01-02)
		 */
		protected $Uvalue;

		/**
		 * O entry in pdf document
		 * @access protected
		 * @since 2.0.000 (2008-01-02)
		 */
		protected $Ovalue;

		/**
		 * P entry in pdf document
		 * @access protected
		 * @since 2.0.000 (2008-01-02)
		 */
		protected $Pvalue;

		/**
		 * encryption object id
		 * @access protected
		 * @since 2.0.000 (2008-01-02)
		 */
		protected $enc_obj_id;

		/**
		 * last RC4 key encrypted (cached for optimisation)
		 * @access protected
		 * @since 2.0.000 (2008-01-02)
		 */
		protected $last_rc4_key;

		/**
		 * last RC4 computed key
		 * @access protected
		 * @since 2.0.000 (2008-01-02)
		 */
		protected $last_rc4_key_c;

		/**
		 * RC4 padding
		 * @access protected
		 */
		protected $padding = "\x28\xBF\x4E\x5E\x4E\x75\x8A\x41\x64\x00\x4E\x56\xFF\xFA\x01\x08\x2E\x2E\x00\xB6\xD0\x68\x3E\x80\x2F\x0C\xA9\xFE\x64\x53\x69\x7A";

		/**
		 * RC4 encryption key
		 * @access protected
		 */
		protected $encryption_key;

		// --- bookmark ---

		/**
		 * Outlines for bookmark
		 * @access protected
		 * @since 2.1.002 (2008-02-12)
		 */
		protected $outlines = array();

		/**
		 * Outline root for bookmark
		 * @access protected
		 * @since 2.1.002 (2008-02-12)
		 */
		protected $OutlineRoot;


		// --- javascript and form ---

		/**
		 * javascript code
		 * @access protected
		 * @since 2.1.002 (2008-02-12)
		 */
		protected $javascript = '';

		/**
		 * javascript counter
		 * @access protected
		 * @since 2.1.002 (2008-02-12)
		 */
		protected $n_js;

		/**
		 * line trough state
		 * @access protected
		 * @since 2.8.000 (2008-03-19)
		 */
		protected $linethrough;

		// --- Variables used for User's Rights ---
		// See PDF reference chapter 8.7 Digital Signatures

		/**
		 * If true enables user's rights on PDF reader
		 * @access protected
		 * @since 2.9.000 (2008-03-26)
		 */
		protected $ur;

		/**
		 * Names specifying additional document-wide usage rights for the document.
		 * @access protected
		 * @since 2.9.000 (2008-03-26)
		 */
		protected $ur_document;

		/**
		 * Names specifying additional annotation-related usage rights for the document.
		 * @access protected
		 * @since 2.9.000 (2008-03-26)
		 */
		protected $ur_annots;

		/**
		 * Names specifying additional form-field-related usage rights for the document.
		 * @access protected
		 * @since 2.9.000 (2008-03-26)
		 */
		protected $ur_form;

		/**
		 * Names specifying additional signature-related usage rights for the document.
		 * @access protected
		 * @since 2.9.000 (2008-03-26)
		 */
		protected $ur_signature;

		/**
		 * Dot Per Inch Document Resolution (do not change)
		 * @access protected
		 * @since 3.0.000 (2008-03-27)
		 */
		protected $dpi = 72;

		/**
		 * Array of page numbers were a new page group was started
		 * @access protected
		 * @since 3.0.000 (2008-03-27)
		 */
		protected $newpagegroup = array();

		/**
		 * Contains the number of pages of the groups
		 * @access protected
		 * @since 3.0.000 (2008-03-27)
		 */
		protected $pagegroups;

		/**
		 * Contains the alias of the current page group
		 * @access protected
		 * @since 3.0.000 (2008-03-27)
		 */
		protected $currpagegroup;

		/**
		 * Restrict the rendering of some elements to screen or printout.
		 * @access protected
		 * @since 3.0.000 (2008-03-27)
		 */
		protected $visibility = 'all';

		/**
		 * Print visibility.
		 * @access protected
		 * @since 3.0.000 (2008-03-27)
		 */
		protected $n_ocg_print;

		/**
		 * View visibility.
		 * @access protected
		 * @since 3.0.000 (2008-03-27)
		 */
		protected $n_ocg_view;

		/**
		 * Array of transparency objects and parameters.
		 * @access protected
		 * @since 3.0.000 (2008-03-27)
		 */
		protected $extgstates;

		/**
		 * Set the default JPEG compression quality (1-100)
		 * @access protected
		 * @since 3.0.000 (2008-03-27)
		 */
		protected $jpeg_quality;

		/**
		 * Default cell height ratio.
		 * @access protected
		 * @since 3.0.014 (2008-05-23)
		 */
		protected $cell_height_ratio = K_CELL_HEIGHT_RATIO;

		/**
		 * PDF viewer preferences.
		 * @access protected
		 * @since 3.1.000 (2008-06-09)
		 */
		protected $viewer_preferences;

		/**
		 * A name object specifying how the document should be displayed when opened.
		 * @access protected
		 * @since 3.1.000 (2008-06-09)
		 */
		protected $PageMode;

		/**
		 * Array for storing gradient information.
		 * @access protected
		 * @since 3.1.000 (2008-06-09)
		 */
		protected $gradients = array();

		/**
		 * Array used to store positions inside the pages buffer.
		 * keys are the page numbers
		 * @access protected
		 * @since 3.2.000 (2008-06-26)
		 */
		protected $intmrk = array();

		/**
		 * Array used to store content positions inside the pages buffer.
		 * keys are the page numbers
		 * @access protected
		 * @since 4.6.021 (2009-07-20)
		 */
		protected $cntmrk = array();

		/**
		 * Array used to store footer positions of each page.
		 * @access protected
		 * @since 3.2.000 (2008-07-01)
		 */
		protected $footerpos = array();


		/**
		 * Array used to store footer length of each page.
		 * @access protected
		 * @since 4.0.014 (2008-07-29)
		 */
		protected $footerlen = array();

		/**
		 * True if a newline is created.
		 * @access protected
		 * @since 3.2.000 (2008-07-01)
		 */
		protected $newline = true;

		/**
		 * End position of the latest inserted line
		 * @access protected
		 * @since 3.2.000 (2008-07-01)
		 */
		protected $endlinex = 0;

		/**
		 * PDF string for last line width
		 * @access protected
		 * @since 4.0.006 (2008-07-16)
		 */
		protected $linestyleWidth = '';

		/**
		 * PDF string for last line width
		 * @access protected
		 * @since 4.0.006 (2008-07-16)
		 */
		protected $linestyleCap = '0 J';

		/**
		 * PDF string for last line width
		 * @access protected
		 * @since 4.0.006 (2008-07-16)
		 */
		protected $linestyleJoin = '0 j';

		/**
		 * PDF string for last line width
		 * @access protected
		 * @since 4.0.006 (2008-07-16)
		 */
		protected $linestyleDash = '[] 0 d';

		/**
		 * True if marked-content sequence is open
		 * @access protected
		 * @since 4.0.013 (2008-07-28)
		 */
		protected $openMarkedContent = false;

		/**
		 * Count the latest inserted vertical spaces on HTML
		 * @access protected
		 * @since 4.0.021 (2008-08-24)
		 */
		protected $htmlvspace = 0;

		/**
		 * Array of Spot colors
		 * @access protected
		 * @since 4.0.024 (2008-09-12)
		 */
		protected $spot_colors = array();

		/**
		 * Symbol used for HTML unordered list items
		 * @access protected
		 * @since 4.0.028 (2008-09-26)
		 */
		protected $lisymbol = '';

		/**
		 * String used to mark the beginning and end of EPS image blocks
		 * @access protected
		 * @since 4.1.000 (2008-10-18)
		 */
		protected $epsmarker = 'x#!#EPS#!#x';

		/**
		 * Array of transformation matrix
		 * @access protected
		 * @since 4.2.000 (2008-10-29)
		 */
		protected $transfmatrix = array();

		/**
		 * Current key for transformation matrix
		 * @access protected
		 * @since 4.8.005 (2009-09-17)
		 */
		protected $transfmatrix_key = 0;

		/**
		 * Booklet mode for double-sided pages
		 * @access protected
		 * @since 4.2.000 (2008-10-29)
		 */
		protected $booklet = false;

		/**
		 * Epsilon value used for float calculations
		 * @access protected
		 * @since 4.2.000 (2008-10-29)
		 */
		protected $feps = 0.005;

		/**
		 * Array used for custom vertical spaces for HTML tags
		 * @access protected
		 * @since 4.2.001 (2008-10-30)
		 */
		protected $tagvspaces = array();

		/**
		 * @var HTML PARSER: custom indent amount for lists.
		 * Negative value means disabled.
		 * @access protected
		 * @since 4.2.007 (2008-11-12)
		 */
		protected $customlistindent = -1;

		/**
		 * @var if true keeps the border open for the cell sides that cross the page.
		 * @access protected
		 * @since 4.2.010 (2008-11-14)
		 */
		protected $opencell = true;

		/**
		 * @var array of files to embedd
		 * @access protected
		 * @since 4.4.000 (2008-12-07)
		 */
		protected $embeddedfiles = array();

		/**
		 * @var boolean true when inside html pre tag
		 * @access protected
		 * @since 4.4.001 (2008-12-08)
		 */
		protected $premode = false;

		/**
		 * Array used to store positions of graphics transformation blocks inside the page buffer.
		 * keys are the page numbers
		 * @access protected
		 * @since 4.4.002 (2008-12-09)
		 */
		protected $transfmrk = array();

		/**
		 * Default color for html links
		 * @access protected
		 * @since 4.4.003 (2008-12-09)
		 */
		protected $htmlLinkColorArray = array(0, 0, 255);

		/**
		 * Default font style to add to html links
		 * @access protected
		 * @since 4.4.003 (2008-12-09)
		 */
		protected $htmlLinkFontStyle = 'U';

		/**
		 * Counts the number of pages.
		 * @access protected
		 * @since 4.5.000 (2008-12-31)
		 */
		protected $numpages = 0;

		/**
		 * Array containing page lengths in bytes.
		 * @access protected
		 * @since 4.5.000 (2008-12-31)
		 */
		protected $pagelen = array();

		/**
		 * Counts the number of pages.
		 * @access protected
		 * @since 4.5.000 (2008-12-31)
		 */
		protected $numimages = 0;

		/**
		 * Store the image keys.
		 * @access protected
		 * @since 4.5.000 (2008-12-31)
		 */
		protected $imagekeys = array();

		/**
		 * Length of the buffer in bytes.
		 * @access protected
		 * @since 4.5.000 (2008-12-31)
		 */
		protected $bufferlen = 0;

		/**
		 * If true enables disk caching.
		 * @access protected
		 * @since 4.5.000 (2008-12-31)
		 */
		protected $diskcache = false;

		/**
		 * Counts the number of fonts.
		 * @access protected
		 * @since 4.5.000 (2009-01-02)
		 */
		protected $numfonts = 0;

		/**
		 * Store the font keys.
		 * @access protected
		 * @since 4.5.000 (2009-01-02)
		 */
		protected $fontkeys = array();

		/**
		 * Store the font object IDs.
		 * @access protected
		 * @since 4.8.001 (2009-09-09)
		 */
		protected $font_obj_ids = array();

		/**
		 * Store the fage status (true when opened, false when closed).
		 * @access protected
		 * @since 4.5.000 (2009-01-02)
		 */
		protected $pageopen = array();

		/**
		 * Default monospaced font
		 * @access protected
		 * @since 4.5.025 (2009-03-10)
		 */
		protected $default_monospaced_font = 'courier';

		/**
		 * Used to store a cloned copy of the current class object
		 * @access protected
		 * @since 4.5.029 (2009-03-19)
		 */
		protected $objcopy;

		/**
		 * Array used to store the lengths of cache files
		 * @access protected
		 * @since 4.5.029 (2009-03-19)
		 */
		protected $cache_file_length = array();

		/**
		 * Table header content to be repeated on each new page
		 * @access protected
		 * @since 4.5.030 (2009-03-20)
		 */
		protected $thead = '';

		/**
		 * Margins used for table header.
		 * @access protected
		 * @since 4.5.030 (2009-03-20)
		 */
		protected $theadMargins = array();

		/**
		 * Cache array for UTF8StringToArray() method.
		 * @access protected
		 * @since 4.5.037 (2009-04-07)
		 */
		protected $cache_UTF8StringToArray = array();

		/**
		 * Maximum size of cache array used for UTF8StringToArray() method.
		 * @access protected
		 * @since 4.5.037 (2009-04-07)
		 */
		protected $cache_maxsize_UTF8StringToArray = 8;

		/**
		 * Current size of cache array used for UTF8StringToArray() method.
		 * @access protected
		 * @since 4.5.037 (2009-04-07)
		 */
		protected $cache_size_UTF8StringToArray = 0;

		/**
		 * If true enables document signing
		 * @access protected
		 * @since 4.6.005 (2009-04-24)
		 */
		protected $sign = false;

		/**
		 * Signature data
		 * @access protected
		 * @since 4.6.005 (2009-04-24)
		 */
		protected $signature_data = array();

		/**
		 * Signature max length
		 * @access protected
		 * @since 4.6.005 (2009-04-24)
		 */
		protected $signature_max_length = 11742;

		/**
		 * Regular expression used to find blank characters used for word-wrapping.
		 * @access protected
		 * @since 4.6.006 (2009-04-28)
		 */
		protected $re_spaces = '/[\s]/';

		/**
		 * Signature object ID
		 * @access protected
		 * @since 4.6.022 (2009-06-23)
		 */
		protected $sig_obj_id = 0;

		/**
		 * ByteRange placemark used during signature process.
		 * @access protected
		 * @since 4.6.028 (2009-08-25)
		 */
		protected $byterange_string = '/ByteRange[0 ********** ********** **********]';

		/**
		 * Placemark used during signature process.
		 * @access protected
		 * @since 4.6.028 (2009-08-25)
		 */
		protected $sig_annot_ref = '***SIGANNREF*** 0 R';

		/**
		 * ID of page objects
		 * @access protected
		 * @since 4.7.000 (2009-08-29)
		 */
		protected $page_obj_id = array();

		/**
		 * Start ID for embedded file objects
		 * @access protected
		 * @since 4.7.000 (2009-08-29)
		 */
		protected $embedded_start_obj_id = 100000;

		/**
		 * Start ID for annotation objects
		 * @access protected
		 * @since 4.7.000 (2009-08-29)
		 */
		protected $annots_start_obj_id = 200000;

		/**
		 * Max ID of annotation object
		 * @access protected
		 * @since 4.7.000 (2009-08-29)
		 */
		protected $annot_obj_id = 200000;

		/**
		 * Current ID of annotation object
		 * @access protected
		 * @since 4.8.003 (2009-09-15)
		 */
		protected $curr_annot_obj_id = 200000;

		/**
		 * List of form annotations IDs
		 * @access protected
		 * @since 4.8.000 (2009-09-07)
		 */
		protected $form_obj_id = array();

		/**
		 * Deafult Javascript field properties. Possible values are described on official Javascript for Acrobat API reference. Annotation options can be directly specified using the 'aopt' entry.
		 * @access protected
		 * @since 4.8.000 (2009-09-07)
		 */
		protected $default_form_prop = array('lineWidth'=>1, 'borderStyle'=>'solid', 'fillColor'=>array(255, 255, 255), 'strokeColor'=>array(128, 128, 128));

		/**
		 * Javascript objects array
		 * @access protected
		 * @since 4.8.000 (2009-09-07)
		 */
		protected $js_objects = array();

		/**
		 * Start ID for javascript objects
		 * @access protected
		 * @since 4.8.000 (2009-09-07)
		 */
		protected $js_start_obj_id = 300000;

		/**
		 * Current ID of javascript object
		 * @access protected
		 * @since 4.8.000 (2009-09-07)
		 */
		protected $js_obj_id = 300000;

		/**
		 * Current form action (used during XHTML rendering)
		 * @access protected
		 * @since 4.8.000 (2009-09-07)
		 */
		protected $form_action = '';

		/**
		 * Current form encryption type (used during XHTML rendering)
		 * @access protected
		 * @since 4.8.000 (2009-09-07)
		 */
		protected $form_enctype = 'application/x-www-form-urlencoded';

		/**
		 * Current method to submit forms.
		 * @access protected
		 * @since 4.8.000 (2009-09-07)
		 */
		protected $form_mode = 'post';

		/**
		 * Start ID for appearance streams XObjects
		 * @access protected
		 * @since 4.8.001 (2009-09-09)
		 */
		protected $apxo_start_obj_id = 400000;

		/**
		 * Current ID of appearance streams XObjects
		 * @access protected
		 * @since 4.8.001 (2009-09-09)
		 */
		protected $apxo_obj_id = 400000;

		/**
		 * List of fonts used on form fields (fontname => fontkey).
		 * @access protected
		 * @since 4.8.001 (2009-09-09)
		 */
		protected $annotation_fonts = array();

		/**
		 * List of radio buttons parent objects.
		 * @access protected
		 * @since 4.8.001 (2009-09-09)
		 */
		protected $radiobutton_groups = array();

		/**
		 * List of radio group objects IDs
		 * @access protected
		 * @since 4.8.001 (2009-09-09)
		 */
		protected $radio_groups = array();

		/**
		 * Text indentation value (used for text-indent CSS attribute)
		 * @access protected
		 * @since 4.8.006 (2009-09-23)
		 */
		protected $textindent = 0;

		/**
		 * Store page number when startTransaction() is called.
		 * @access protected
		 * @since 4.8.006 (2009-09-23)
		 */
		protected $start_transaction_page = 0;

		/**
		 * Store Y position when startTransaction() is called.
		 * @access protected
		 * @since 4.9.001 (2010-03-28)
		 */
		protected $start_transaction_y = 0;

		/**
		 * True when we are printing the thead section on a new page
		 * @access protected
		 * @since 4.8.027 (2010-01-25)
		 */
		protected $inthead = false;

		/**
		 * Array of column measures (width, space, starting Y position)
		 * @access protected
		 * @since 4.9.001 (2010-03-28)
		 */
		protected $columns = array();

		/**
		 * Number of colums
		 * @access protected
		 * @since 4.9.001 (2010-03-28)
		 */
		protected $num_columns = 0;

		/**
		 * Current column number
		 * @access protected
		 * @since 4.9.001 (2010-03-28)
		 */
		protected $current_column = 0;

		/**
		 * Starting page for columns
		 * @access protected
		 * @since 4.9.001 (2010-03-28)
		 */
		protected $column_start_page = 0;

		/**
		 * Text rendering mode: 0 = Fill text; 1 = Stroke text; 2 = Fill, then stroke text; 3 = Neither fill nor stroke text (invisible); 4 = Fill text and add to path for clipping; 5 = Stroke text and add to path for clipping; 6 = Fill, then stroke text and add to path for clipping; 7 = Add text to path for clipping.
		 * @access protected
		 * @since 4.9.008 (2010-04-03)
		 */
		protected $textrendermode = 0;

		/**
		 * Text stroke width in doc units
		 * @access protected
		 * @since 4.9.008 (2010-04-03)
		 */
		protected $textstrokewidth = 0;

		/**
		 * @var current stroke color
		 * @access protected
		 * @since 4.9.008 (2010-04-03)
		 */
		protected $strokecolor;

		/**
		 * @var default unit of measure for document
		 * @access protected
		 * @since 5.0.000 (2010-04-22)
		 */
		protected $pdfunit = 'mm';

		/**
		 * @var true when we are on TOC (Table Of Content) page
		 * @access protected
		 */
		protected $tocpage = false;

		/**
		 * @var If true convert vector images (SVG, EPS) to raster image using GD or ImageMagick library.
		 * @access protected
		 * @since 5.0.000 (2010-04-26)
		 */
		protected $rasterize_vector_images = false;

		/**
		 * @var directory used for the last SVG image
		 * @access protected
		 * @since 5.0.000 (2010-05-05)
		 */
		protected $svgdir = '';

		/**
		 * @var Deafult unit of measure for SVG
		 * @access protected
		 * @since 5.0.000 (2010-05-02)
		 */
		protected $svgunit = 'px';

		/**
		 * @var array of SVG gradients
		 * @access protected
		 * @since 5.0.000 (2010-05-02)
		 */
		protected $svggradients = array();

		/**
		 * @var ID of last SVG gradient
		 * @access protected
		 * @since 5.0.000 (2010-05-02)
		 */
		protected $svggradientid = 0;

		/**
		 * @var true when in SVG defs group
		 * @access protected
		 * @since 5.0.000 (2010-05-02)
		 */
		protected $svgdefsmode = false;

		/**
		 * @var array of SVG defs
		 * @access protected
		 * @since 5.0.000 (2010-05-02)
		 */
		protected $svgdefs = array();

		/**
		 * @var true when in SVG clipPath tag
		 * @access protected
		 * @since 5.0.000 (2010-04-26)
		 */
		protected $svgclipmode = false;

		/**
		 * @var array of SVG clipPath commands
		 * @access protected
		 * @since 5.0.000 (2010-05-02)
		 */
		protected $svgclippaths = array();

		/**
		 * @var ID of last SVG clipPath
		 * @access protected
		 * @since 5.0.000 (2010-05-02)
		 */
		protected $svgclipid = 0;

		/**
		 * @var svg text
		 * @access protected
		 * @since 5.0.000 (2010-05-02)
		 */
		protected $svgtext = '';

		/**
		 * @var array of hinheritable SVG properties
		 * @access protected
		 * @since 5.0.000 (2010-05-02)
		 */
		protected $svginheritprop = array('clip-rule', 'color', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'cursor', 'direction', 'fill', 'fill-opacity', 'fill-rule', 'font', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'glyph-orientation-horizontal', 'glyph-orientation-vertical', 'image-rendering', 'kerning', 'letter-spacing', 'marker', 'marker-end', 'marker-mid', 'marker-start', 'pointer-events', 'shape-rendering', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'text-anchor', 'text-rendering', 'visibility', 'word-spacing', 'writing-mode');

		/**
		 * @var array of SVG properties
		 * @access protected
		 * @since 5.0.000 (2010-05-02)
		 */
		protected $svgstyles = array(array(
			'alignment-baseline' => 'auto',
			'baseline-shift' => 'baseline',
			'clip' => 'auto',
			'clip-path' => 'none',
			'clip-rule' => 'nonzero',
			'color' => 'black',
			'color-interpolation' => 'sRGB',
			'color-interpolation-filters' => 'linearRGB',
			'color-profile' => 'auto',
			'color-rendering' => 'auto',
			'cursor' => 'auto',
			'direction' => 'ltr',
			'display' => 'inline',
			'dominant-baseline' => 'auto',
			'enable-background' => 'accumulate',
			'fill' => 'black',
			'fill-opacity' => 1,
			'fill-rule' => 'nonzero',
			'filter' => 'none',
			'flood-color' => 'black',
			'flood-opacity' => 1,
			'font' => '',
			'font-family' => 'helvetica',
			'font-size' => 'medium',
			'font-size-adjust' => 'none',
			'font-stretch' => 'normal',
			'font-style' => 'normal',
			'font-variant' => 'normal',
			'font-weight' => 'normal',
			'glyph-orientation-horizontal' => '0deg',
			'glyph-orientation-vertical' => 'auto',
			'image-rendering' => 'auto',
			'kerning' => 'auto',
			'letter-spacing' => 'normal',
			'lighting-color' => 'white',
			'marker' => '',
			'marker-end' => 'none',
			'marker-mid' => 'none',
			'marker-start' => 'none',
			'mask' => 'none',
			'opacity' => 1,
			'overflow' => 'auto',
			'pointer-events' => 'visiblePainted',
			'shape-rendering' => 'auto',
			'stop-color' => 'black',
			'stop-opacity' => 1,
			'stroke' => 'none',
			'stroke-dasharray' => 'none',
			'stroke-dashoffset' => 0,
			'stroke-linecap' => 'butt',
			'stroke-linejoin' => 'miter',
			'stroke-miterlimit' => 4,
			'stroke-opacity' => 1,
			'stroke-width' => 1,
			'text-anchor' => 'start',
			'text-decoration' => 'none',
			'text-rendering' => 'auto',
			'unicode-bidi' => 'normal',
			'visibility' => 'visible',
			'word-spacing' => 'normal',
			'writing-mode' => 'lr-tb',
			'text-color' => 'black',
			'transfmatrix' => array(1, 0, 0, 1, 0, 0)
		));

		//------------------------------------------------------------
		// METHODS
		//------------------------------------------------------------

		/**
		 * This is the class constructor.
		 * It allows to set up the page format, the orientation and
		 * the measure unit used in all the methods (except for the font sizes).
		 * @since 1.0
		 * @param string $orientation page orientation. Possible values are (case insensitive):<ul><li>P or Portrait (default)</li><li>L or Landscape</li></ul>
		 * @param string $unit User measure unit. Possible values are:<ul><li>pt: point</li><li>mm: millimeter (default)</li><li>cm: centimeter</li><li>in: inch</li></ul><br />A point equals 1/72 of inch, that is to say about 0.35 mm (an inch being 2.54 cm). This is a very common unit in typography; font sizes are expressed in that unit.
		 * @param mixed $format The format used for pages. It can be either one of the following values (case insensitive) or a custom format in the form of a two-element array containing the width and the height (expressed in the unit given by unit).<ul><li>4A0</li><li>2A0</li><li>A0</li><li>A1</li><li>A2</li><li>A3</li><li>A4 (default)</li><li>A5</li><li>A6</li><li>A7</li><li>A8</li><li>A9</li><li>A10</li><li>B0</li><li>B1</li><li>B2</li><li>B3</li><li>B4</li><li>B5</li><li>B6</li><li>B7</li><li>B8</li><li>B9</li><li>B10</li><li>C0</li><li>C1</li><li>C2</li><li>C3</li><li>C4</li><li>C5</li><li>C6</li><li>C7</li><li>C8</li><li>C9</li><li>C10</li><li>RA0</li><li>RA1</li><li>RA2</li><li>RA3</li><li>RA4</li><li>SRA0</li><li>SRA1</li><li>SRA2</li><li>SRA3</li><li>SRA4</li><li>LETTER</li><li>LEGAL</li><li>EXECUTIVE</li><li>FOLIO</li></ul>
		 * @param boolean $unicode TRUE means that the input text is unicode (default = true)
		 * @param boolean $diskcache if TRUE reduce the RAM memory usage by caching temporary data on filesystem (slower).
		 * @param String $encoding charset encoding; default is UTF-8
		 * @access public
		 */
		public function __construct($orientation='P', $unit='mm', $format='A4', $unicode=true, $encoding='UTF-8', $diskcache=false) {
			/* Set internal character encoding to ASCII */
			if (function_exists('mb_internal_encoding') AND mb_internal_encoding()) {
				$this->internal_encoding = mb_internal_encoding();
				mb_internal_encoding('ASCII');
			}
			// set disk caching
			$this->diskcache = $diskcache ? true : false;
			// set language direction
			$this->rtl = false;
			$this->tmprtl = false;
			//Some checks
			$this->_dochecks();
			//Initialization of properties
			$this->isunicode = $unicode;
			$this->page = 0;
			$this->transfmrk[0] = array();
			$this->pagedim = array();
			$this->n = 2;
			$this->buffer = '';
			$this->pages = array();
			$this->state = 0;
			$this->fonts = array();
			$this->FontFiles = array();
			$this->diffs = array();
			$this->images = array();
			$this->links = array();
			$this->gradients = array();
			$this->InFooter = false;
			$this->lasth = 0;
			$this->FontFamily = 'helvetica';
			$this->FontStyle = '';
			$this->FontSizePt = 12;
			$this->underline = false;
			$this->overline = false;
			$this->linethrough = false;
			$this->DrawColor = '0 G';
			$this->FillColor = '0 g';
			$this->TextColor = '0 g';
			$this->ColorFlag = false;
			// encryption values
			$this->encrypted = false;
			$this->last_rc4_key = '';
			$this->padding = "\x28\xBF\x4E\x5E\x4E\x75\x8A\x41\x64\x00\x4E\x56\xFF\xFA\x01\x08\x2E\x2E\x00\xB6\xD0\x68\x3E\x80\x2F\x0C\xA9\xFE\x64\x53\x69\x7A";
			//Standard Unicode fonts
			$this->CoreFonts = array(
				'courier'=>'Courier',
				'courierB'=>'Courier-Bold',
				'courierI'=>'Courier-Oblique',
				'courierBI'=>'Courier-BoldOblique',
				'helvetica'=>'Helvetica',
				'helveticaB'=>'Helvetica-Bold',
				'helveticaI'=>'Helvetica-Oblique',
				'helveticaBI'=>'Helvetica-BoldOblique',
				'times'=>'Times-Roman',
				'timesB'=>'Times-Bold',
				'timesI'=>'Times-Italic',
				'timesBI'=>'Times-BoldItalic',
				'symbol'=>'Symbol',
				'zapfdingbats'=>'ZapfDingbats'
				);
				//Set scale factor
				$this->setPageUnit($unit);
				// set page format and orientation
				$this->setPageFormat($format, $orientation);
				//Page margins (1 cm)
				$margin = 28.35 / $this->k;
				$this->SetMargins($margin, $margin);
				//Interior cell margin
				$this->cMargin = $margin / 10;
				//Line width (0.2 mm)
				$this->LineWidth = 0.57 / $this->k;
				$this->linestyleWidth = sprintf('%.2F w', ($this->LineWidth * $this->k));
				$this->linestyleCap = '0 J';
				$this->linestyleJoin = '0 j';
				$this->linestyleDash = '[] 0 d';
				//Automatic page break
				$this->SetAutoPageBreak(true, (2 * $margin));
				//Full width display mode
				$this->SetDisplayMode('fullwidth');
				//Compression
				$this->SetCompression(true);
				//Set default PDF version number
				$this->PDFVersion = '1.7';
				$this->encoding = $encoding;
				$this->HREF = array();
				$this->getFontsList();
				$this->fgcolor = array('R' => 0, 'G' => 0, 'B' => 0);
				$this->strokecolor = array('R' => 0, 'G' => 0, 'B' => 0);
				$this->bgcolor = array('R' => 255, 'G' => 255, 'B' => 255);
				$this->extgstates = array();
				// user's rights
				$this->sign = false;
				$this->ur = false;
				$this->ur_document = '/FullSave';
				$this->ur_annots = '/Create/Delete/Modify/Copy/Import/Export';
				$this->ur_form = '/Add/Delete/FillIn/Import/Export/SubmitStandalone/SpawnTemplate';
				$this->ur_signature = '/Modify';
				// set default JPEG quality
				$this->jpeg_quality = 75;
				// initialize some settings
				$this->utf8Bidi(array(''), '');
				// set default font
				$this->SetFont($this->FontFamily, $this->FontStyle, $this->FontSizePt);
				// check if PCRE Unicode support is enabled
				if ($this->isunicode AND (@preg_match('/\pL/u', 'a') == 1)) {
					// PCRE unicode support is turned ON
					// \p{Z} or \p{Separator}: any kind of Unicode whitespace or invisible separator.
					// \p{Lo} or \p{Other_Letter}: a Unicode letter or ideograph that does not have lowercase and uppercase variants.
					// \p{Lo} is needed because Chinese characters are packed next to each other without spaces in between.
					//$this->re_spaces = '/[\s\p{Z}\p{Lo}]/u';
					$this->re_spaces = '/[\s\p{Z}]/u';
				} else {
					// PCRE unicode support is turned OFF
					$this->re_spaces = '/[\s]/';
				}
				$this->annot_obj_id = $this->annots_start_obj_id;
				$this->curr_annot_obj_id = $this->annots_start_obj_id;
				$this->apxo_obj_id = $this->apxo_start_obj_id;
				$this->js_obj_id = $this->js_start_obj_id;
				$this->default_form_prop = array('lineWidth'=>1, 'borderStyle'=>'solid', 'fillColor'=>array(255, 255, 255), 'strokeColor'=>array(128, 128, 128));
		}

		/**
		 * Default destructor.
		 * @access public
		 * @since 1.53.0.TC016
		 */
		public function __destruct() {
			// restore internal encoding
			if (isset($this->internal_encoding) AND !empty($this->internal_encoding)) {
				mb_internal_encoding($this->internal_encoding);
			}
			// unset all class variables
			$this->_destroy(true);
		}

		/**
		 * Set the units of measure for the document.
		 * @param string $unit User measure unit. Possible values are:<ul><li>pt: point</li><li>mm: millimeter (default)</li><li>cm: centimeter</li><li>in: inch</li></ul><br />A point equals 1/72 of inch, that is to say about 0.35 mm (an inch being 2.54 cm). This is a very common unit in typography; font sizes are expressed in that unit.
		 * @access public
		 * @since 3.0.015 (2008-06-06)
		 */
		public function setPageUnit($unit) {
			$unit = strtolower($unit);
			//Set scale factor
			switch ($unit) {
				// points
				case 'px':
				case 'pt': {
					$this->k = 1;
					break;
				}
				// millimeters
				case 'mm': {
					$this->k = $this->dpi / 25.4;
					break;
				}
				// centimeters
				case 'cm': {
					$this->k = $this->dpi / 2.54;
					break;
				}
				// inches
				case 'in': {
					$this->k = $this->dpi;
					break;
				}
				// unsupported unit
				default : {
					$this->Error('Incorrect unit: '.$unit);
					break;
				}
			}
			$this->pdfunit = $unit;
			if (isset($this->CurOrientation)) {
				$this->setPageOrientation($this->CurOrientation);
			}
		}

		/**
		 * Set the page format
		 * @param mixed $format The format u…

Large files files are truncated, but you can click here to view the full file