1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_Barcode

    17  * @subpackage Object

    18  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    19  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    20  * @version    $Id: Code25interleaved.php 20096 2010-01-06 02:05:09Z bkarwin $

    21  */

    22 

    23 /** @see Zend_Barcode_Object_Code25 */

    24 require_once 'Zend/Barcode/Object/Code25.php';

    25 

    26 /** @see Zend_Validate_Barcode */

    27 require_once 'Zend/Validate/Barcode.php';

    28 

    29 /**

    30  * Class for generate Interleaved 2 of 5 barcode

    31  *

    32  * @category   Zend

    33  * @package    Zend_Barcode

    34  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    35  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    36  */

    37 class Zend_Barcode_Object_Code25interleaved extends Zend_Barcode_Object_Code25

    38 {

    39     /**

    40      * Drawing of bearer bars

    41      * @var boolean

    42      */

    43     private $_withBearerBars = false;

    44 

    45     /**

    46      * Default options for Code25interleaved barcode

    47      * @return void

    48      */

    49     protected function _getDefaultOptions()

    50     {

    51         $this->_barcodeLength = 'even';

    52     }

    53 

    54     /**

    55      * Activate/deactivate drawing of bearer bars

    56      * @param boolean $value

    57      * @return Zend_Barcode_Object_Int25

    58      */

    59     public function setWithBearerBars($value)

    60     {

    61         $this->_withBearerBars = (bool) $value;

    62         return $this;

    63     }

    64 

    65     /**

    66      * Retrieve if bearer bars are enabled

    67      * @return boolean

    68      */

    69     public function getWithBearerBars()

    70     {

    71         return $this->_withBearerBars;

    72     }

    73 

    74     /**

    75      * Width of the barcode (in pixels)

    76      * @return integer

    77      */

    78     protected function _calculateBarcodeWidth()

    79     {

    80         $quietZone       = $this->getQuietZone();

    81         $startCharacter  = (4 * $this->_barThinWidth) * $this->_factor;

    82         $characterLength = (3 * $this->_barThinWidth + 2 * $this->_barThickWidth) * $this->_factor;

    83         $encodedData     = strlen($this->getText()) * $characterLength;

    84         $stopCharacter   = ($this->_barThickWidth + 2 * $this->_barThinWidth) * $this->_factor;

    85         return $quietZone + $startCharacter + $encodedData + $stopCharacter + $quietZone;

    86     }

    87 

    88     /**

    89      * Prepare array to draw barcode

    90      * @return array

    91      */

    92     protected function _prepareBarcode()

    93     {

    94         if ($this->_withBearerBars) {

    95             $this->_withBorder = false;

    96         }

    97 

    98         // Start character (0000)

    99         $barcodeTable[] = array(1, $this->_barThinWidth, 0, 1);

   100         $barcodeTable[] = array(0, $this->_barThinWidth, 0, 1);

   101         $barcodeTable[] = array(1, $this->_barThinWidth, 0, 1);

   102         $barcodeTable[] = array(0, $this->_barThinWidth, 0, 1);

   103 

   104         // Encoded $text

   105         $text = $this->getText();

   106         for ($i = 0; $i < strlen($text); $i += 2) { // Draw 2 chars at a time

   107             $char1 = substr($text, $i, 1);

   108             $char2 = substr($text, $i + 1, 1);

   109 

   110             // Interleave

   111             for ($ibar = 0; $ibar < 5; $ibar ++) {

   112                 // Draws char1 bar (fore color)

   113                 $barWidth = (substr($this->_codingMap[$char1], $ibar, 1))

   114                           ? $this->_barThickWidth

   115                           : $this->_barThinWidth;

   116 

   117                 $barcodeTable[] = array(1, $barWidth, 0, 1);

   118 

   119                 // Left space corresponding to char2 (background color)

   120                 $barWidth = (substr($this->_codingMap[$char2], $ibar, 1))

   121                           ? $this->_barThickWidth

   122                           : $this->_barThinWidth;

   123                 $barcodeTable[] = array(0, $barWidth, 0 , 1);

   124             }

   125         }

   126 

   127         // Stop character (100)

   128         $barcodeTable[] = array(1 , $this->_barThickWidth, 0, 1);

   129         $barcodeTable[] = array(0 , $this->_barThinWidth,  0, 1);

   130         $barcodeTable[] = array(1 , $this->_barThinWidth,  0, 1);

   131         return $barcodeTable;

   132     }

   133 

   134     /**

   135      * Drawing of bearer bars (if enabled)

   136      *

   137      * @return void

   138      */

   139     protected function _postDrawBarcode()

   140     {

   141         if (!$this->_withBearerBars) {

   142             return;

   143         }

   144 

   145         $width  = $this->_barThickWidth * $this->_factor;

   146         $point1 = $this->_rotate(-1, -1);

   147         $point2 = $this->_rotate($this->_calculateWidth() - 1, -1);

   148         $point3 = $this->_rotate($this->_calculateWidth() - 1, $width - 1);

   149         $point4 = $this->_rotate(-1, $width - 1);

   150         $this->_addPolygon(array(

   151             $point1,

   152             $point2,

   153             $point3,

   154             $point4,

   155         ));

   156         $point1 = $this->_rotate(

   157             0,

   158             0 + $this->_barHeight * $this->_factor - 1

   159         );

   160         $point2 = $this->_rotate(

   161             $this->_calculateWidth() - 1,

   162             0 + $this->_barHeight * $this->_factor - 1

   163         );

   164         $point3 = $this->_rotate(

   165             $this->_calculateWidth() - 1,

   166             0 + $this->_barHeight * $this->_factor - $width

   167         );

   168         $point4 = $this->_rotate(

   169             0,

   170             0 + $this->_barHeight * $this->_factor - $width

   171         );

   172         $this->_addPolygon(array(

   173             $point1,

   174             $point2,

   175             $point3,

   176             $point4,

   177         ));

   178     }

   179 }