interface/modules/zend_modules/library/Zend/Barcode/Object/Code25interleaved.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Barcode\Object;
  11
  12 /**
  13  * Class for generate Interleaved 2 of 5 barcode
  14  */
  15 class Code25interleaved extends Code25
  16 {
  17     /**
  18      * Drawing of bearer bars
  19      * @var bool
  20      */
  21     private $withBearerBars = false;
  22
  23     /**
  24      * Default options for Code25interleaved barcode
  25      * @return void
  26      */
  27     protected function getDefaultOptions()
  28     {
  29         $this->barcodeLength = 'even';
  30     }
  31
  32     /**
  33      * Activate/deactivate drawing of bearer bars
  34      * @param  bool $value
  35      * @return Code25
  36      */
  37     public function setWithBearerBars($value)
  38     {
  39         $this->withBearerBars = (bool) $value;
  40         return $this;
  41     }
  42
  43     /**
  44      * Retrieve if bearer bars are enabled
  45      * @return bool
  46      */
  47     public function getWithBearerBars()
  48     {
  49         return $this->withBearerBars;
  50     }
  51
  52     /**
  53      * Width of the barcode (in pixels)
  54      * @return int
  55      */
  56     protected function calculateBarcodeWidth()
  57     {
  58         $quietZone       = $this->getQuietZone();
  59         $startCharacter  = (4 * $this->barThinWidth) * $this->factor;
  60         $characterLength = (3 * $this->barThinWidth + 2 * $this->barThickWidth) * $this->factor;
  61         $encodedData     = strlen($this->getText()) * $characterLength;
  62         $stopCharacter   = ($this->barThickWidth + 2 * $this->barThinWidth) * $this->factor;
  63         return $quietZone + $startCharacter + $encodedData + $stopCharacter + $quietZone;
  64     }
  65
  66     /**
  67      * Prepare array to draw barcode
  68      * @return array
  69      */
  70     protected function prepareBarcode()
  71     {
  72         if ($this->withBearerBars) {
  73             $this->withBorder = false;
  74         }
  75
  76         // Start character (0000)
  77         $barcodeTable[] = array(1, $this->barThinWidth, 0, 1);
  78         $barcodeTable[] = array(0, $this->barThinWidth, 0, 1);
  79         $barcodeTable[] = array(1, $this->barThinWidth, 0, 1);
  80         $barcodeTable[] = array(0, $this->barThinWidth, 0, 1);
  81
  82         // Encoded $text
  83         $text = $this->getText();
  84         for ($i = 0, $len = strlen($text); $i < $len; $i += 2) { // Draw 2 chars at a time
  85             $char1 = substr($text, $i, 1);
  86             $char2 = substr($text, $i + 1, 1);
  87
  88             // Interleave
  89             for ($ibar = 0; $ibar < 5; $ibar ++) {
  90                 // Draws char1 bar (fore color)
  91                 $barWidth = (substr($this->codingMap[$char1], $ibar, 1))
  92                           ? $this->barThickWidth
  93                           : $this->barThinWidth;
  94
  95                 $barcodeTable[] = array(1, $barWidth, 0, 1);
  96
  97                 // Left space corresponding to char2 (background color)
  98                 $barWidth = (substr($this->codingMap[$char2], $ibar, 1))
  99                           ? $this->barThickWidth
 100                           : $this->barThinWidth;
 101                 $barcodeTable[] = array(0, $barWidth, 0, 1);
 102             }
 103         }
 104
 105         // Stop character (100)
 106         $barcodeTable[] = array(1, $this->barThickWidth, 0, 1);
 107         $barcodeTable[] = array(0, $this->barThinWidth, 0, 1);
 108         $barcodeTable[] = array(1, $this->barThinWidth, 0, 1);
 109         return $barcodeTable;
 110     }
 111
 112     /**
 113      * Drawing of bearer bars (if enabled)
 114      *
 115      * @return void
 116      */
 117     protected function postDrawBarcode()
 118     {
 119         if (!$this->withBearerBars) {
 120             return;
 121         }
 122
 123         $width  = $this->barThickWidth * $this->factor;
 124         $point1 = $this->rotate(-1, -1);
 125         $point2 = $this->rotate($this->calculateWidth() - 1, -1);
 126         $point3 = $this->rotate($this->calculateWidth() - 1, $width - 1);
 127         $point4 = $this->rotate(-1, $width - 1);
 128         $this->addPolygon(array(
 129             $point1,
 130             $point2,
 131             $point3,
 132             $point4,
 133         ));
 134         $point1 = $this->rotate(
 135             0,
 136             0 + $this->barHeight * $this->factor - 1
 137         );
 138         $point2 = $this->rotate(
 139             $this->calculateWidth() - 1,
 140             0 + $this->barHeight * $this->factor - 1
 141         );
 142         $point3 = $this->rotate(
 143             $this->calculateWidth() - 1,
 144             0 + $this->barHeight * $this->factor - $width
 145         );
 146         $point4 = $this->rotate(
 147             0,
 148             0 + $this->barHeight * $this->factor - $width
 149         );
 150         $this->addPolygon(array(
 151             $point1,
 152             $point2,
 153             $point3,
 154             $point4,
 155         ));
 156     }
 157 }