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1 <?php |
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2 /** |
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3 * Zend Framework |
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4 * |
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5 * LICENSE |
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6 * |
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7 * This source file is subject to the new BSD license that is bundled |
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8 * with this package in the file LICENSE.txt. |
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9 * It is also available through the world-wide-web at this URL: |
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10 * http://framework.zend.com/license/new-bsd |
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11 * If you did not receive a copy of the license and are unable to |
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12 * obtain it through the world-wide-web, please send an email |
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13 * to license@zend.com so we can send you a copy immediately. |
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14 * |
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15 * @category Zend |
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16 * @package Zend_Barcode |
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17 * @subpackage Object |
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18 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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19 * @license http://framework.zend.com/license/new-bsd New BSD License |
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20 * @version $Id: Ean13.php 22999 2010-09-23 19:43:14Z mikaelkael $ |
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21 */ |
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22 |
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23 /** |
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24 * @see Zend_Barcode_Object_ObjectAbstract |
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25 */ |
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26 require_once 'Zend/Barcode/Object/ObjectAbstract.php'; |
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27 |
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28 /** |
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29 * @see Zend_Validate_Barcode |
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30 */ |
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31 require_once 'Zend/Validate/Barcode.php'; |
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32 |
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33 /** |
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34 * Class for generate Ean13 barcode |
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35 * |
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36 * @category Zend |
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37 * @package Zend_Barcode |
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38 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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39 * @license http://framework.zend.com/license/new-bsd New BSD License |
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40 */ |
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41 class Zend_Barcode_Object_Ean13 extends Zend_Barcode_Object_ObjectAbstract |
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42 { |
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43 |
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44 /** |
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45 * Coding map |
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46 * - 0 = narrow bar |
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47 * - 1 = wide bar |
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48 * @var array |
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49 */ |
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50 protected $_codingMap = array( |
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51 'A' => array( |
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52 0 => "0001101", 1 => "0011001", 2 => "0010011", 3 => "0111101", 4 => "0100011", |
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53 5 => "0110001", 6 => "0101111", 7 => "0111011", 8 => "0110111", 9 => "0001011" |
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54 ), |
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55 'B' => array( |
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56 0 => "0100111", 1 => "0110011", 2 => "0011011", 3 => "0100001", 4 => "0011101", |
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57 5 => "0111001", 6 => "0000101", 7 => "0010001", 8 => "0001001", 9 => "0010111" |
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58 ), |
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59 'C' => array( |
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60 0 => "1110010", 1 => "1100110", 2 => "1101100", 3 => "1000010", 4 => "1011100", |
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61 5 => "1001110", 6 => "1010000", 7 => "1000100", 8 => "1001000", 9 => "1110100" |
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62 )); |
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63 |
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64 protected $_parities = array( |
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65 0 => array('A','A','A','A','A','A'), |
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66 1 => array('A','A','B','A','B','B'), |
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67 2 => array('A','A','B','B','A','B'), |
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68 3 => array('A','A','B','B','B','A'), |
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69 4 => array('A','B','A','A','B','B'), |
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70 5 => array('A','B','B','A','A','B'), |
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71 6 => array('A','B','B','B','A','A'), |
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72 7 => array('A','B','A','B','A','B'), |
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73 8 => array('A','B','A','B','B','A'), |
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74 9 => array('A','B','B','A','B','A') |
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75 ); |
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76 |
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77 /** |
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78 * Default options for Postnet barcode |
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79 * @return void |
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80 */ |
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81 protected function _getDefaultOptions() |
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82 { |
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83 $this->_barcodeLength = 13; |
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84 $this->_mandatoryChecksum = true; |
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85 $this->_mandatoryQuietZones = true; |
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86 } |
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87 |
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88 /** |
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89 * Width of the barcode (in pixels) |
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90 * @return integer |
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91 */ |
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92 protected function _calculateBarcodeWidth() |
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93 { |
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94 $quietZone = $this->getQuietZone(); |
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95 $startCharacter = (3 * $this->_barThinWidth) * $this->_factor; |
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96 $middleCharacter = (5 * $this->_barThinWidth) * $this->_factor; |
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97 $stopCharacter = (3 * $this->_barThinWidth) * $this->_factor; |
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98 $encodedData = (7 * $this->_barThinWidth) * $this->_factor * 12; |
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99 return $quietZone + $startCharacter + $middleCharacter + $encodedData + $stopCharacter + $quietZone; |
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100 } |
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101 |
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102 /** |
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103 * Partial check of interleaved EAN/UPC barcode |
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104 * @return void |
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105 */ |
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106 protected function _checkParams() |
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107 {} |
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108 |
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109 /** |
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110 * Prepare array to draw barcode |
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111 * @return array |
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112 */ |
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113 protected function _prepareBarcode() |
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114 { |
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115 $barcodeTable = array(); |
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116 $height = ($this->_drawText) ? 1.1 : 1; |
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117 |
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118 // Start character (101) |
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119 $barcodeTable[] = array(1 , $this->_barThinWidth , 0 , $height); |
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120 $barcodeTable[] = array(0 , $this->_barThinWidth , 0 , $height); |
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121 $barcodeTable[] = array(1 , $this->_barThinWidth , 0 , $height); |
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122 |
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123 $textTable = str_split($this->getText()); |
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124 $parity = $this->_parities[$textTable[0]]; |
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125 |
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126 // First part |
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127 for ($i = 1; $i < 7; $i++) { |
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128 $bars = str_split($this->_codingMap[$parity[$i - 1]][$textTable[$i]]); |
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129 foreach ($bars as $b) { |
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130 $barcodeTable[] = array($b , $this->_barThinWidth , 0 , 1); |
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131 } |
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132 } |
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133 |
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134 // Middle character (01010) |
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135 $barcodeTable[] = array(0 , $this->_barThinWidth , 0 , $height); |
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136 $barcodeTable[] = array(1 , $this->_barThinWidth , 0 , $height); |
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137 $barcodeTable[] = array(0 , $this->_barThinWidth , 0 , $height); |
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138 $barcodeTable[] = array(1 , $this->_barThinWidth , 0 , $height); |
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139 $barcodeTable[] = array(0 , $this->_barThinWidth , 0 , $height); |
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140 |
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141 // Second part |
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142 for ($i = 7; $i < 13; $i++) { |
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143 $bars = str_split($this->_codingMap['C'][$textTable[$i]]); |
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144 foreach ($bars as $b) { |
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145 $barcodeTable[] = array($b , $this->_barThinWidth , 0 , 1); |
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146 } |
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147 } |
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148 |
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149 // Stop character (101) |
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150 $barcodeTable[] = array(1 , $this->_barThinWidth , 0 , $height); |
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151 $barcodeTable[] = array(0 , $this->_barThinWidth , 0 , $height); |
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152 $barcodeTable[] = array(1 , $this->_barThinWidth , 0 , $height); |
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153 return $barcodeTable; |
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154 } |
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155 |
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156 /** |
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157 * Get barcode checksum |
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158 * |
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159 * @param string $text |
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160 * @return int |
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161 */ |
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162 public function getChecksum($text) |
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163 { |
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164 $this->_checkText($text); |
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165 $factor = 3; |
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166 $checksum = 0; |
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167 |
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168 for ($i = strlen($text); $i > 0; $i --) { |
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169 $checksum += intval($text{$i - 1}) * $factor; |
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170 $factor = 4 - $factor; |
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171 } |
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172 |
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173 $checksum = (10 - ($checksum % 10)) % 10; |
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174 |
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175 return $checksum; |
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176 } |
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177 |
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178 /** |
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179 * Partial function to draw text |
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180 * @return void |
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181 */ |
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182 protected function _drawText() |
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183 { |
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184 if (get_class($this) == 'Zend_Barcode_Object_Ean13') { |
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185 $this->_drawEan13Text(); |
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186 } else { |
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187 parent::_drawText(); |
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188 } |
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189 } |
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190 |
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191 protected function _drawEan13Text() |
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192 { |
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193 if ($this->_drawText) { |
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194 $text = $this->getTextToDisplay(); |
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195 $characterWidth = (7 * $this->_barThinWidth) * $this->_factor; |
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196 $leftPosition = $this->getQuietZone() - $characterWidth; |
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197 for ($i = 0; $i < $this->_barcodeLength; $i ++) { |
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198 $this->_addText( |
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199 $text{$i}, |
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200 $this->_fontSize * $this->_factor, |
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201 $this->_rotate( |
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202 $leftPosition, |
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203 (int) $this->_withBorder * 2 |
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204 + $this->_factor * ($this->_barHeight + $this->_fontSize) + 1 |
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205 ), |
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206 $this->_font, |
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207 $this->_foreColor, |
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208 'left', |
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209 - $this->_orientation |
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210 ); |
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211 switch ($i) { |
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212 case 0: |
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213 $factor = 3; |
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214 break; |
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215 case 6: |
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216 $factor = 4; |
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217 break; |
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218 default: |
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219 $factor = 0; |
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220 } |
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221 $leftPosition = $leftPosition + $characterWidth + ($factor * $this->_barThinWidth * $this->_factor); |
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222 } |
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223 } |
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224 } |
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225 } |