139 lines
3.5 KiB
PHP
139 lines
3.5 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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* postnet.php
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*--------------------------------------------------------------------
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*
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* Sub-Class - PostNet
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*
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* ################ NOT TESTED ################
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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 postnet 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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/**
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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 $textfont
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*/
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public function __construct($maxHeight,FColor $color1,FColor $color2,$res,$text,$textfont) {
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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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'11000', /* 0 */
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'00011', /* 1 */
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'00101', /* 2 */
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'00110', /* 3 */
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'01001', /* 4 */
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'01010', /* 5 */
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'01100', /* 6 */
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'10001', /* 7 */
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'10010', /* 8 */
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'10100' /* 9 */
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);
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$this->setText($text);
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$this->textfont = $textfont;
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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 contains 5, 9 or 11 chars
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if(strlen($this->text) != 5 && strlen($this->text) != 9 && strlen($this->text) != 11) {
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$this->DrawError($im,'Must contains 5, 9 or 11 chars.');
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$error_stop = true;
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}
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if($error_stop == false) {
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// Checksum
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$checksum = 0;
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for($i=0;$i<strlen($this->text);$i++)
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$checksum += intval($this->text[$i]);
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$checksum = 10-($checksum % 10);
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// Starting Code
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$this->DrawChar($im,'1',0);
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// Code
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for($i=0;$i<strlen($this->text);$i++)
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$this->DrawChar($im,$this->findCode($this->text[$i]),0);
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// Checksum
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$this->DrawChar($im,$this->findCode($checksum),0);
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//Ending Code
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$this->DrawChar($im,'1',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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* Overloaded method for drawing special barcode
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*
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* @param ressource $im
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* @param string $code
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* @param int $last
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*/
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protected function DrawChar($im,$code,$last=0) {
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$first_posY = $this->positionY;
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$bar_color = (is_null($this->color1))?NULL:$this->color1->allocate($im);
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if(!is_null($bar_color)){
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for($i=0;$i<strlen($code);$i++){
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if($code[$i] == '0') {
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$this->positionY = ($first_posY+$this->maxHeight)/2;
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$height = $this->positionY+($first_posY+$this->maxHeight)/2;
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}
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else {
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$this->positionY = $first_posY;
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$height = $first_posY+$this->maxHeight;
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}
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for($j=0;$j<$this->res;$j++)
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for($z=0;$z<$this->res;$z++)
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imageline($im,$this->positionX+$j+$z,$this->positionY,$this->positionX+$j+$z,$height,$bar_color);
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for($j=0;$j<(2*$this->res);$j++)
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$this->nextX();
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}
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$this->positionY = $first_posY;
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}
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}
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};
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?>
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