tcpdf.php

简介：一个用PHP编写的

<?php
//============================================================+
// File name   : tcpdf.php
// Begin       : 2002-08-03
// Last Update : 2006-10-27
// Author      : Nicola Asuni
// Version     : 1.53.0.TC026_PHP4
// License     : GNU LGPL (http://www.gnu.org/copyleft/lesser.html)
//
// Description : This is a PHP4 class for generating PDF files 
//               on-the-fly without requiring external 
//               extensions.
//
// IMPORTANT:
// This class is an extension and improvement of the public Domain 
// FPDF class by Olivier Plathey (http://www.fpdf.org).
//
// Main changes by Nicola Asuni:
//    PHP4 porting;
//    UTF-8 Unicode support;
//    code refactoring;
//    source code clean up;
//    code style and formatting;
//    source code documentation using phpDocumentor (www.phpdoc.org);
//    All ISO page formats were included;
//    image scale factor;
//    includes methods to parse and printsome XHTML code, supporting the following elements: h1, h2, h3, h4, h5, h6, b, u, i, a, img, p, br, strong, em, font, blockquote, li, ul, ol, hr, td, th, tr, table, sup, sub, small;
//    includes a method to print various barcode formats using an improved version of "Generic Barcode Render Class" by Karim Mribti (http://www.mribti.com/barcode/) (require GD library: http://www.boutell.com/gd/);
//    defines standard Header() and Footer() methods.
//============================================================+

/**
 * include configuration file
 */
// Disabled in phpMyAdmin
//require_once(dirname(__FILE__).'/config/tcpdf_config.php');


/**
 * TCPDF Class.
 * @package com.tecnick.tcpdf
 */
 
/**
 * This is a PHP4 class for generating PDF files on-the-fly without requiring external extensions.<br>
 * TCPDF project (http://tcpdf.sourceforge.net) is based on the public Domain FPDF class by Olivier Plathey (http://www.fpdf.org).<br>
 * <h3>TCPDF main changes from FPDF are:</h3><ul>
 * <li>PHP4 porting</li>
 * <li>UTF-8 Unicode support</li>
 * <li>source code clean up</li>
 * <li>code style and formatting</li>
 * <li>source code documentation using phpDocumentor (www.phpdoc.org)</li>
 * <li>All ISO page formats were included</li>
 * <li>image scale factor</li>
 * <li>includes methods to parse and printsome XHTML code, supporting the following elements: h1, h2, h3, h4, h5, h6, b, u, i, a, img, p, br, strong, em, font, blockquote, li, ul, ol, hr, td, th, tr, table, sup, sub, small;</li>
 * <li>includes a method to print various barcode formats using an improved version of "Generic Barcode Render Class" by Karim Mribti (http://www.mribti.com/barcode/) (require GD library: http://www.boutell.com/gd/)</li>
 * <li>defines standard Header() and Footer() methods.</li>
 * </ul>
 * Tools to encode your unicode fonts are on fonts/ttf2ufm directory.</p>
 * @name TCPDF
 * @package com.tecnick.tcpdf
 * @abstract Class for generating PDF files on-the-fly without requiring external extensions.
 * @author Nicola Asuni
 * @copyright 2004-2006 Tecnick.com S.r.l (www.tecnick.com) Via Ugo Foscolo n.19 - 09045 Quartu Sant'Elena (CA) - ITALY - www.tecnick.com - [e-mail]
 * @link http://tcpdf.sourceforge.net
 * @license http://www.gnu.org/copyleft/lesser.html LGPL
 @version 1.53.0.TC026_PHP4
 */

if(!class_exists('TCPDF')) {
	/**
	 * define default PDF document producer
	 */ 
	define('PDF_PRODUCER','TCPDF 1.53.0.TC026_PHP4 (http://tcpdf.sourceforge.net)');
	
	/**
	* This is a PHP4 class for generating PDF files on-the-fly without requiring external extensions.<br>
	* This class is an extension and improvement of the FPDF class by Olivier Plathey (http://www.fpdf.org).<br>
	* This version contains some changes: [porting to PHP4, support for UTF-8 Unicode, code style and formatting, php documentation (www.phpdoc.org), ISO page formats, minor improvements, image scale factor]<br>
	* TCPDF project (http://tcpdf.sourceforge.net) is based on the public Domain FPDF class by Olivier Plathey (http://www.fpdf.org).<br>
	* To add your own TTF fonts please read /fonts/README.TXT
	* @name TCPDF
	* @package com.tecnick.tcpdf
	* @version 1.53.0.TC026_PHP4
	* @author Nicola Asuni
	* @link http://tcpdf.sourceforge.net
	* @license http://www.gnu.org/copyleft/lesser.html LGPL
	*/
	class TCPDF {
		//var properties

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

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

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

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

		/**
		* @var array containing pages
		* @access protected
		*/
		var $pages;

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

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

		/**
		* @var default orientation
		* @access protected
		*/
		var $DefOrientation;

		/**
		* @var current orientation
		* @access protected
		*/
		var $CurOrientation;

		/**
		* @var array indicating orientation changes
		* @access protected
		*/
		var $OrientationChanges;

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

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

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

		/**
		* @var width of page format in user unit
		* @access protected
		*/
		var $fw;

		/**
		* @var height of page format in user unit
		* @access protected
		*/
		var $fh;

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

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

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

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

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

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

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

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

		/**
		* @var cell margin
		* @access protected
		*/
		var $cMargin;

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

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

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

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

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

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

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

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

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

		/**
		* @var array of links in pages
		* @access protected
		*/
		var $PageLinks;

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

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

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

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

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

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

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

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

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

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

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

		/**
		* @var word spacing
		* @access protected
		*/
		var $ws;

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

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

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

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

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

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

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

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

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

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

		/**
		* @var alias for total number of pages
		* @access protected
		*/
		var $AliasNbPages;