121 lines
3.2 KiB
PHP
121 lines
3.2 KiB
PHP
<?php
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/**
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* BCGcodabar.barcode.php
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*--------------------------------------------------------------------
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*
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* Sub-Class - Codabar
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*
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*--------------------------------------------------------------------
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* Revision History
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* v2.0.0 23 apr 2008 Jean-Sébastien Goupil New Version Update + fix B and C
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* v1.2.3b 31 dec 2005 Jean-Sébastien Goupil PHP5.1 compatible
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* v1.2.1 27 jun 2005 Jean-Sébastien Goupil Font support added
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* V1.00 17 jun 2004 Jean-Sebastien Goupil
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*--------------------------------------------------------------------
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* $Id: BCGcodabar.barcode.php,v 1.9 2009/11/09 04:13:35 jsgoupil Exp $
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* PHP5-Revision: 1.11
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*--------------------------------------------------------------------
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* Copyright (C) Jean-Sebastien Goupil
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* http://www.barcodephp.com
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*/
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include_once('BCGBarcode1D.php');
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class BCGcodabar extends BCGBarcode1D {
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/**
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* Constructor
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*/
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function BCGcodabar() { // public
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BCGBarcode1D::BCGBarcode1D();
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$this->keys = array('0','1','2','3','4','5','6','7','8','9','-','$',':','/','.','+','A','B','C','D');
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$this->code = array( // 0 added to add an extra space
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'00000110', /* 0 */
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'00001100', /* 1 */
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'00010010', /* 2 */
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'11000000', /* 3 */
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'00100100', /* 4 */
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'10000100', /* 5 */
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'01000010', /* 6 */
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'01001000', /* 7 */
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'01100000', /* 8 */
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'10010000', /* 9 */
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'00011000', /* - */
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'00110000', /* $ */
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'10001010', /* : */
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'10100010', /* / */
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'10101000', /* . */
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'00111110', /* + */
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'00110100', /* A */
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'01010010', /* B */
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'00010110', /* C */
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'00011100' /* D */
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);
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}
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/**
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* Saves Text
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*
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* @param string $text
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*/
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function parse($text) {
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BCGBarcode1D::parse(strtoupper($text)); // Only Capital Letters are Allowed
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}
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/**
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* Draws the barcode
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*
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* @param resource $im
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*/
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function draw(&$im) {
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$error_stop = false;
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// Checking if all chars are allowed
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$c = strlen($this->text);
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for($i = 0; $i < $c; $i++) {
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if(array_search($this->text[$i], $this->keys) === false) {
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$this->drawError($im, 'Char \'' . $this->text[$i] . '\' not allowed.');
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$error_stop = true;
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}
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}
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if($error_stop === false) {
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// Must start by A, B, C or D
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if($this->text[0] !== 'A' && $this->text[0] !== 'B' && $this->text[0] !== 'C' && $this->text[0] !== 'D') {
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$this->drawError($im, 'Must start by char A, B, C or D.');
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$error_stop = true;
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}
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// Must over by A, B, C or D
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$c2 = $c - 1;
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if($c2 === 0 || ($this->text[$c2] !== 'A' && $this->text[$c2] !== 'B' && $this->text[$c2] !== 'C' && $this->text[$c2] !== 'D')) {
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$this->drawError($im, 'Must end by char A, B, C or D.');
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$error_stop = true;
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}
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if($error_stop === false) {
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for($i = 0; $i < $c; $i++) {
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$this->drawChar($im, $this->findCode($this->text[$i]), true);
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}
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$this->drawText($im);
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}
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}
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}
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/**
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* Returns the maximal size of a barcode
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*
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* @return int[]
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*/
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function getMaxSize() {
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$p = BCGBarcode1D::getMaxSize();
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$w = 0;
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$c = strlen($this->text);
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for($i = 0; $i < $c; $i++) {
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$index = $this->findIndex($this->text[$i]);
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if($index !== false) {
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$w += 8;
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$w += substr_count($this->code[$index], '1');
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}
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}
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return array($p[0] + $w * $this->scale, $p[1]);
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}
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};
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?>
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