121 lines
3.2 KiB
PHP
121 lines
3.2 KiB
PHP
<?php
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if(!defined('IN_CB'))die('You are not allowed to access to this page.');
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/**
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* i25.php
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*--------------------------------------------------------------------
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*
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* Sub-Class - Interleaved 2 of 5
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*
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*--------------------------------------------------------------------
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* Revision History
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* V1.00 17 jun 2004 Jean-Sebastien Goupil
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*--------------------------------------------------------------------
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* Copyright (C) Jean-Sebastien Goupil
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* http://other.lookstrike.com/barcode/
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*/
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class i25 extends BarCode {
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protected $keys = array(), $code = array();
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protected $text;
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protected $textfont;
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private $checksum;
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/**
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* Constructor
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*
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* @param int $maxHeight
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* @param FColor $color1
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* @param FColor $color2
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* @param int $res
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* @param string $text
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* @param int $textfont
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* @param bool $checksum
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*/
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public function __construct($maxHeight,FColor $color1,FColor $color2,$res,$text,$textfont,$checksum=false) {
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BarCode::__construct($maxHeight,$color1,$color2,$res);
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$this->keys = array('0','1','2','3','4','5','6','7','8','9');
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$this->code = array(
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'00110', /* 0 */
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'10001', /* 1 */
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'01001', /* 2 */
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'11000', /* 3 */
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'00101', /* 4 */
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'10100', /* 5 */
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'01100', /* 6 */
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'00011', /* 7 */
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'10010', /* 8 */
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'01010' /* 9 */
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);
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$this->setText($text);
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$this->textfont = $textfont;
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$this->checksum = $checksum;
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}
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/**
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* Saves Text
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*
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* @param string $text
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*/
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public function setText($text) {
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$this->text = $text;
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}
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/**
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* Draws the barcode
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*
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* @param ressource $im
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*/
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public function draw($im) {
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$error_stop = false;
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// Checking if all chars are allowed
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for($i=0;$i<strlen($this->text);$i++) {
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if(!is_int(array_search($this->text[$i],$this->keys))) {
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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 be even
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if(strlen($this->text) % 2 != 0 && $this->checksum == false) {
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$this->DrawError($im,'i25 must be even if checksum is false.');
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$error_stop = true;
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}
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elseif(strlen($this->text) % 2 == 0 && $this->checksum == true) {
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$this->DrawError($im,'i25 must be odd if checksum is true.');
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$error_stop = true;
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}
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if($error_stop == false) {
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// We calculate checksum first
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// Odd Number has a weight of 1, even number has a weight of 3
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// Multiply to position
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// Sum all of that and mod 10
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if($this->checksum == true) {
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$checksum = 0;
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for($i=1;$i<=strlen($this->text);$i++) {
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$multiplier = (intval($this->text[$i-1])%2!=0)?1:3;
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$checksum += $i*$multiplier;
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}
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$this->text .= $this->keys[$checksum%10];
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}
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// Starting Code
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$this->DrawChar($im,'0000',1);
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// Chars
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for($i=0;$i<strlen($this->text);$i+=2) {
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$temp_bar = '';
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for($j=0;$j<strlen($this->findCode($this->text[$i]));$j++) {
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$temp_bar .= substr($this->findCode($this->text[$i]),$j,1);
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$temp_bar .= substr($this->findCode($this->text[$i + 1]),$j,1);
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}
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$this->DrawChar($im,$temp_bar,1);
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}
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// Ending Code
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$this->DrawChar($im,'100',1);
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$this->lastX = $this->positionX;
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$this->lastY = $this->maxHeight;
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$this->DrawText($im);
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}
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}
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}
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};
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?>
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