143 lines
3.8 KiB
PHP
143 lines
3.8 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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* code39.php
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*--------------------------------------------------------------------
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*
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* Sub-Class - Code 39
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*
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*--------------------------------------------------------------------
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* Revision History
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* v1.01 7 jul 2004 Jean-Sebastien Goupil Correction + Sign
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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 code39 extends BarCode {
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protected $keys = array(), $code = array();
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private $starting, $ending;
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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->starting = $this->ending = 43;
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$this->keys = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','-','.',' ','$','/','+','%','*');
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$this->code = array( // 0 added to add an extra space
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'0001101000', /* 0 */
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'1001000010', /* 1 */
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'0011000010', /* 2 */
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'1011000000', /* 3 */
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'0001100010', /* 4 */
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'1001100000', /* 5 */
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'0011100000', /* 6 */
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'0001001010', /* 7 */
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'1001001000', /* 8 */
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'0011001000', /* 9 */
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'1000010010', /* A */
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'0010010010', /* B */
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'1010010000', /* C */
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'0000110010', /* D */
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'1000110000', /* E */
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'0010110000', /* F */
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'0000011010', /* G */
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'1000011000', /* H */
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'0010011000', /* I */
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'0000111000', /* J */
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'1000000110', /* K */
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'0010000110', /* L */
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'1010000100', /* M */
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'0000100110', /* N */
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'1000100100', /* O */
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'0010100100', /* P */
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'0000001110', /* Q */
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'1000001100', /* R */
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'0010001100', /* S */
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'0000101100', /* T */
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'1100000010', /* U */
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'0110000010', /* V */
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'1110000000', /* W */
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'0100100010', /* X */
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'1100100000', /* Y */
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'0110100000', /* Z */
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'0100001010', /* - */
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'1100001000', /* . */
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'0110001000', /* */
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'0101010000', /* $ */
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'0101000100', /* / */
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'0100010100', /* + */
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'0001010100', /* % */
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'0100101000' /* * */
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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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$this->text = strtoupper($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 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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// The * is not allowed
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if(is_int(strpos($this->text,'*'))) {
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$this->DrawError($im,'Char \'*\' not allowed.');
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$error_stop = true;
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}
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if($error_stop == false) {
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// Starting *
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$this->DrawChar($im,$this->code[$this->starting],1);
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// Chars
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for($i=0;$i<strlen($this->text);$i++)
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$this->DrawChar($im,$this->findCode($this->text[$i]),1);
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// Checksum (rarely used)
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if($this->checksum == true) {
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$checksum = 0;
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for($i=0;$i<strlen($this->text);$i++)
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$checksum += $this->findIndex($this->text[$i]);
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$this->DrawChar($im,$this->code[$checksum % 43],1);
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}
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// Ending *
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$this->DrawChar($im,$this->code[$this->ending],1);
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$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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