399 lines
12 KiB
PHP
399 lines
12 KiB
PHP
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<?php
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//============================================================+
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// File name : c128aobject.php
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// Begin : 2002-07-31
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// Last Update : 2004-12-29
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// Author : Karim Mribti [barcode@mribti.com]
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// Version : 0.0.8a 2001-04-01 (original code)
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// License : GNU LGPL (Lesser General Public License) 2.1
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// http://www.gnu.org/copyleft/lesser.txt
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// Source Code : http://www.mribti.com/barcode/
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//
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// Description : Code 128-A Barcode Render Class for PHP using
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// the GD graphics library.
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// Code 128-A is a continuous, multilevel and
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// include all upper case alphanumeric characters
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// and ASCII control characters.
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//
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// NOTE:
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// This version contains changes by Nicola Asuni:
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// - porting to PHP5
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// - code style and formatting
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// - automatic php documentation in PhpDocumentor Style
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// (www.phpdoc.org)
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// - minor bug fixing
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//============================================================+
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/**
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* Code 128-A Barcode Render Class for PHP using the GD graphics library.<br>
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* Code 128-A is a continuous, multilevel and include all upper case alphanumeric characters and ASCII control characters.
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* @author Karim Mribti, Nicola Asuni
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* @name BarcodeObject
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* @package com.tecnick.tcpdf
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* @version 0.0.8a 2001-04-01 (original code)
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* @since 2001-03-25
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* @license http://www.gnu.org/copyleft/lesser.html LGPL
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*/
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/**
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* Code 128-A Barcode Render Class for PHP using the GD graphics library.<br>
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* Code 128-A is a continuous, multilevel and include all upper case alphanumeric characters and ASCII control characters.
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* @author Karim Mribti, Nicola Asuni
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* @name BarcodeObject
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* @package com.tecnick.tcpdf
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* @version 0.0.8a 2001-04-01 (original code)
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* @since 2001-03-25
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* @license http://www.gnu.org/copyleft/lesser.html LGPL
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*/
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class C128AObject extends BarcodeObject {
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/**
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* Class Constructor.
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* @param int $Width Image width in pixels.
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* @param int $Height Image height in pixels.
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* @param int $Style Barcode style.
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* @param int $Value value to print on barcode.
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*/
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public function __construct($Width, $Height, $Style, $Value) {
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parent::__construct($Width, $Height, $Style);
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$this->mValue = $Value;
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$this->mChars = " !\"#$%&'()*+<2B>-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_";
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$this->mCharSet = array (
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"212222", /* 00 */
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"222122", /* 01 */
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"222221", /* 02 */
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"121223", /* 03 */
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"121322", /* 04 */
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"131222", /* 05 */
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"122213", /* 06 */
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"122312", /* 07 */
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"132212", /* 08 */
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"221213", /* 09 */
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"221312", /* 10 */
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"231212", /* 11 */
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"112232", /* 12 */
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"122132", /* 13 */
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"122231", /* 14 */
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"113222", /* 15 */
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"123122", /* 16 */
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"123221", /* 17 */
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"223211", /* 18 */
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"221132", /* 19 */
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"221231", /* 20 */
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"213212", /* 21 */
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"223112", /* 22 */
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"312131", /* 23 */
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"311222", /* 24 */
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"321122", /* 25 */
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"321221", /* 26 */
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"312212", /* 27 */
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"322112", /* 28 */
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"322211", /* 29 */
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"212123", /* 30 */
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"212321", /* 31 */
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"232121", /* 32 */
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"111323", /* 33 */
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"131123", /* 34 */
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"131321", /* 35 */
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"112313", /* 36 */
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"132113", /* 37 */
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"132311", /* 38 */
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"211313", /* 39 */
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"231113", /* 40 */
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"231311", /* 41 */
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"112133", /* 42 */
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"112331", /* 43 */
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"132131", /* 44 */
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"113123", /* 45 */
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"113321", /* 46 */
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"133121", /* 47 */
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"313121", /* 48 */
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"211331", /* 49 */
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"231131", /* 50 */
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"213113", /* 51 */
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"213311", /* 52 */
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"213131", /* 53 */
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"311123", /* 54 */
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"311321", /* 55 */
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"331121", /* 56 */
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"312113", /* 57 */
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"312311", /* 58 */
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"332111", /* 59 */
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"314111", /* 60 */
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"221411", /* 61 */
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"431111", /* 62 */
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"111224", /* 63 */
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"111422", /* 64 */
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"121124", /* 65 */
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"121421", /* 66 */
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"141122", /* 67 */
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"141221", /* 68 */
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"112214", /* 69 */
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"112412", /* 70 */
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"122114", /* 71 */
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"122411", /* 72 */
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"142112", /* 73 */
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"142211", /* 74 */
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"241211", /* 75 */
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"221114", /* 76 */
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"413111", /* 77 */
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"241112", /* 78 */
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"134111", /* 79 */
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"111242", /* 80 */
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"121142", /* 81 */
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"121241", /* 82 */
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"114212", /* 83 */
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"124112", /* 84 */
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"124211", /* 85 */
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"411212", /* 86 */
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"421112", /* 87 */
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"421211", /* 88 */
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"212141", /* 89 */
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"214121", /* 90 */
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"412121", /* 91 */
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"111143", /* 92 */
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"111341", /* 93 */
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"131141", /* 94 */
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"114113", /* 95 */
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"114311", /* 96 */
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"411113", /* 97 */
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"411311", /* 98 */
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"113141", /* 99 */
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"114131", /* 100 */
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"311141", /* 101 */
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"411131" /* 102 */
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);
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}
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/**
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* Returns the character index.
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* @param char $char character.
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* @return int character index or -1 in case of error.
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* @access private
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*/
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private function GetCharIndex($char) {
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for ($i=0;$i<64;$i++) {
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if ($this->mChars[$i] == $char) {
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return $i;
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}
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}
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return -1;
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}
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/**
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* Returns the bar size.
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* @param int $xres Horizontal resolution.
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* @param char $char Character.
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* @return int barcode size.
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* @access private
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*/
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private function GetBarSize($xres, $char) {
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switch ($char) {
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case '1': {
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$cVal = BCD_C128_BAR_1;
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break;
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}
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case '2': {
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$cVal = BCD_C128_BAR_2;
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break;
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}
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case '3': {
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$cVal = BCD_C128_BAR_3;
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break;
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}
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case '4': {
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$cVal = BCD_C128_BAR_4;
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break;
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}
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default: {
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$cVal = 0;
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}
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}
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return $cVal * $xres;
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}
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/**
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* Returns barcode size.
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* @param int $xres Horizontal resolution.
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* @return barcode size.
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* @access private
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*/
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private function GetSize($xres) {
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$len = strlen($this->mValue);
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if ($len == 0) {
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$this->mError = "Null value";
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return false;
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}
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$ret = 0;
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for ($i=0;$i<$len;$i++) {
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if (($id = $this->GetCharIndex($this->mValue[$i])) == -1) {
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$this->mError = "C128A not include the char '".$this->mValue[$i]."'";
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return false;
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} else {
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$cset = $this->mCharSet[$id];
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$ret += $this->GetBarSize($xres, $cset[0]);
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$ret += $this->GetBarSize($xres, $cset[1]);
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$ret += $this->GetBarSize($xres, $cset[2]);
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$ret += $this->GetBarSize($xres, $cset[3]);
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$ret += $this->GetBarSize($xres, $cset[4]);
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$ret += $this->GetBarSize($xres, $cset[5]);
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}
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}
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/* length of Check character */
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$cset = $this->GetCheckCharValue();
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$CheckSize = 0;
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for ($i=0;$i<6;$i++) {
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$CheckSize += $this->GetBarSize($cset[$i], $xres);
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}
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$StartSize = 2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + BCD_C128_BAR_4*$xres;
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$StopSize = 2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + 2*BCD_C128_BAR_3*$xres;
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return $StartSize + $ret + $CheckSize + $StopSize;
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}
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/**
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* Returns the check-char value.
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* @return string.
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* @access private
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*/
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private function GetCheckCharValue() {
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$len = strlen($this->mValue);
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$sum = 103; // 'A' type;
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for ($i=0;$i<$len;$i++) {
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$sum += $this->GetCharIndex($this->mValue[$i]) * ($i+1);
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}
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$check = $sum % 103;
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return $this->mCharSet[$check];
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}
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/**
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* Draws the start code.
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* @param int $DrawPos Drawing position.
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* @param int $yPos Vertical position.
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* @param int $ySize Vertical size.
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* @param int $xres Horizontal resolution.
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* @return int drawing position.
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* @access private
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*/
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private function DrawStart($DrawPos, $yPos, $ySize, $xres) {
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/* Start code is '211412' */
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$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('2', $xres) , $ySize);
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$DrawPos += $this->GetBarSize('2', $xres);
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$DrawPos += $this->GetBarSize('1', $xres);
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$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('1', $xres) , $ySize);
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$DrawPos += $this->GetBarSize('1', $xres);
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$DrawPos += $this->GetBarSize('4', $xres);
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$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('1', $xres) , $ySize);
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$DrawPos += $this->GetBarSize('1', $xres);
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$DrawPos += $this->GetBarSize('2', $xres);
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return $DrawPos;
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}
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/**
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* Draws the stop code.
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* @param int $DrawPos Drawing position.
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* @param int $yPos Vertical position.
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* @param int $ySize Vertical size.
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* @param int $xres Horizontal resolution.
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* @return int drawing position.
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* @access private
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*/
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private function DrawStop($DrawPos, $yPos, $ySize, $xres) {
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/* Stop code is '2331112' */
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$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('2', $xres) , $ySize);
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$DrawPos += $this->GetBarSize('2', $xres);
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$DrawPos += $this->GetBarSize('3', $xres);
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$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('3', $xres) , $ySize);
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$DrawPos += $this->GetBarSize('3', $xres);
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$DrawPos += $this->GetBarSize('1', $xres);
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$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('1', $xres) , $ySize);
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$DrawPos += $this->GetBarSize('1', $xres);
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$DrawPos += $this->GetBarSize('1', $xres);
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$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('2', $xres) , $ySize);
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$DrawPos += $this->GetBarSize('2', $xres);
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return $DrawPos;
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}
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/**
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* Draws the check-char code.
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* @param int $DrawPos Drawing position.
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* @param int $yPos Vertical position.
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* @param int $ySize Vertical size.
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* @param int $xres Horizontal resolution.
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* @return int drawing position.
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* @access private
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*/
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private function DrawCheckChar($DrawPos, $yPos, $ySize, $xres) {
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$cset = $this->GetCheckCharValue();
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$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[0], $xres) , $ySize);
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$DrawPos += $this->GetBarSize($cset[0], $xres);
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$DrawPos += $this->GetBarSize($cset[1], $xres);
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$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[2], $xres) , $ySize);
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$DrawPos += $this->GetBarSize($cset[2], $xres);
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$DrawPos += $this->GetBarSize($cset[3], $xres);
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$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[4], $xres) , $ySize);
|
|||
|
|
$DrawPos += $this->GetBarSize($cset[4], $xres);
|
|||
|
|
$DrawPos += $this->GetBarSize($cset[5], $xres);
|
|||
|
|
return $DrawPos;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Draws the barcode object.
|
|||
|
|
* @param int $xres Horizontal resolution.
|
|||
|
|
* @return bool true in case of success.
|
|||
|
|
*/
|
|||
|
|
public function DrawObject($xres) {
|
|||
|
|
$len = strlen($this->mValue);
|
|||
|
|
if (($size = $this->GetSize($xres))==0) {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ($this->mStyle & BCS_ALIGN_CENTER) $sPos = (integer)(($this->mWidth - $size ) / 2);
|
|||
|
|
else if ($this->mStyle & BCS_ALIGN_RIGHT) $sPos = $this->mWidth - $size;
|
|||
|
|
else $sPos = 0;
|
|||
|
|
|
|||
|
|
/* Total height of bar code -Bars only- */
|
|||
|
|
if ($this->mStyle & BCS_DRAW_TEXT) $ysize = $this->mHeight - BCD_DEFAULT_MAR_Y1 - BCD_DEFAULT_MAR_Y2 - $this->GetFontHeight($this->mFont);
|
|||
|
|
else $ysize = $this->mHeight - BCD_DEFAULT_MAR_Y1 - BCD_DEFAULT_MAR_Y2;
|
|||
|
|
|
|||
|
|
/* Draw text */
|
|||
|
|
if ($this->mStyle & BCS_DRAW_TEXT) {
|
|||
|
|
if ($this->mStyle & BCS_STRETCH_TEXT) {
|
|||
|
|
for ($i=0;$i<$len;$i++) {
|
|||
|
|
$this->DrawChar($this->mFont, $sPos+(2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + BCD_C128_BAR_4*$xres)+($size/$len)*$i,
|
|||
|
|
$ysize + BCD_DEFAULT_MAR_Y1 + BCD_DEFAULT_TEXT_OFFSET, $this->mValue[$i]);
|
|||
|
|
}
|
|||
|
|
} else {/* Center */
|
|||
|
|
$text_width = $this->GetFontWidth($this->mFont) * strlen($this->mValue);
|
|||
|
|
$this->DrawText($this->mFont, $sPos+(($size-$text_width)/2)+(2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + BCD_C128_BAR_4*$xres),
|
|||
|
|
$ysize + BCD_DEFAULT_MAR_Y1 + BCD_DEFAULT_TEXT_OFFSET, $this->mValue);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$cPos = 0;
|
|||
|
|
$DrawPos = $this->DrawStart($sPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres);
|
|||
|
|
do {
|
|||
|
|
$c = $this->GetCharIndex($this->mValue[$cPos]);
|
|||
|
|
$cset = $this->mCharSet[$c];
|
|||
|
|
$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[0], $xres) , $ysize);
|
|||
|
|
$DrawPos += $this->GetBarSize($cset[0], $xres);
|
|||
|
|
$DrawPos += $this->GetBarSize($cset[1], $xres);
|
|||
|
|
$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[2], $xres) , $ysize);
|
|||
|
|
$DrawPos += $this->GetBarSize($cset[2], $xres);
|
|||
|
|
$DrawPos += $this->GetBarSize($cset[3], $xres);
|
|||
|
|
$this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[4], $xres) , $ysize);
|
|||
|
|
$DrawPos += $this->GetBarSize($cset[4], $xres);
|
|||
|
|
$DrawPos += $this->GetBarSize($cset[5], $xres);
|
|||
|
|
$cPos++;
|
|||
|
|
} while ($cPos<$len);
|
|||
|
|
$DrawPos = $this->DrawCheckChar($DrawPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres);
|
|||
|
|
$DrawPos = $this->DrawStop($DrawPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres);
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//============================================================+
|
|||
|
|
// END OF FILE
|
|||
|
|
//============================================================+
|
|||
|
|
?>
|