Adding Code128C

elminson · Sep 16, 2018 · ced5c15 · ced5c15
1 parent 09f5050
commit ced5c15
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Showing 6 changed files with 203 additions and 37 deletions.
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
diff --git a/README.md b/README.md
@@ -42,6 +42,9 @@ $barcode->generate();
 Code128
 ![Codabar](https://github.com/elminson/barcode/blob/master/temp/code128.png)
 
+Code128C
+![Codabar](https://github.com/elminson/barcode/blob/master/temp/code128c.png)
+
 Code128B
 ![Codabar](https://github.com/elminson/barcode/blob/master/temp/code128b.png)
 

diff --git a/src/BarCode.php b/src/BarCode.php
@@ -157,6 +157,11 @@ public function generate()
                     $this->code_string = $this->barcodabar();
                     break;
                 }
+            case "code128c":
+                {
+                    $this->code_string = $this->barcodebaseC();
+                    break;
+                }
             default:
                 $this->code_string = $this->barcodebase();
         }
@@ -230,6 +235,36 @@ private function barcodabar()
         return $this->prepareBarCode($code_string);
     }
 
+    private function barcodebaseC()
+    {
+        //Validate code is pair amount of characters
+        $chksum = $this->config_code->getChecksum($this->getCode_type());
+
+        // Must not change order of array elements as the checksum depends on the array's key to validate final code
+        $code_array = $this->config_code->getCode($this->getCode_type());
+
+        $code_keys = array_keys($code_array);
+        $code_values = array_flip($code_keys);
+
+        $code_string = "";
+
+        $code = preg_replace('/[^0-9]/', '', $this->text); // Code 128C supports numbers only
+        $size = strlen($code);
+        $i = 1;
+        for ($X = 1; $X <= $size; $X += 2) {
+            $activeKey = substr($code, ($X - 1), 2);
+            $code_string .= $code_array[$activeKey];
+            $chksum = ($chksum + ($code_values[$activeKey] * $i));
+            $i++;
+        }
+
+        if ($chksum != 0) {
+            $code_string .= $code_array[$code_keys[($chksum - (intval($chksum / 103) * 103))]];
+        }
+
+        return $this->prepareBarCode($code_string);
+    }
+
     private function barcodebase()
     {
 

diff --git a/src/ConfigCode.php b/src/ConfigCode.php
@@ -13,6 +13,7 @@ class ConfigCode
         'code128' => ['code' => 'code128', 'chksum' => 104],
         'code128b' => ['code' => 'code128b', 'chksum' => 104],
         'code128a' => ['code' => 'code128a', 'chksum' => 103],
+        'code128c' => ['code' => 'code128c', 'chksum' => 105],
         'code39' => ['code' => 'code39', 'chksum' => 0],
         'code25' => ['code' => 'code25', 'chksum' => 0],
         'codabar' => ['code' => 'codabar', 'chksum' => 0],
@@ -136,6 +137,115 @@ public function __construct()
         $this->code_data_array = [
             'code128' => $this->code128,
             'code128b' => $this->code128,
+            'code128c' => [
+                '00' => '212222',
+                '01' => '222122',
+                '02' => '222221',
+                '03' => '121223',
+                '04' => '121322',
+                '05' => '131222',
+                '06' => '122213',
+                '07' => '122312',
+                '08' => '132212',
+                '09' => '221213',
+                '10' => '221312',
+                '11' => '231212',
+                '12' => '112232',
+                '13' => '122132',
+                '14' => '122231',
+                '15' => '113222',
+                '16' => '123122',
+                '17' => '123221',
+                '18' => '223211',
+                '19' => '221132',
+                '20' => '221231',
+                '21' => '213212',
+                '22' => '223112',
+                '23' => '312131',
+                '24' => '311222',
+                '25' => '321122',
+                '26' => '321221',
+                '27' => '312212',
+                '28' => '322112',
+                '29' => '322211',
+                '30' => '212123',
+                '31' => '212321',
+                '32' => '232121',
+                '33' => '111323',
+                '34' => '131123',
+                '35' => '131321',
+                '36' => '112313',
+                '37' => '132113',
+                '38' => '132311',
+                '39' => '211313',
+                '40' => '231113',
+                '41' => '231311',
+                '42' => '112133',
+                '43' => '112331',
+                '44' => '132131',
+                '45' => '113123',
+                '46' => '113321',
+                '47' => '133121',
+                '48' => '313121',
+                '49' => '211331',
+                '50' => '231131',
+                '51' => '213113',
+                '52' => '213311',
+                '53' => '213131',
+                '54' => '311123',
+                '55' => '311321',
+                '56' => '331121',
+                '57' => '312113',
+                '58' => '312311',
+                '59' => '332111',
+                '60' => '314111',
+                '61' => '221411',
+                '62' => '431111',
+                '63' => '111224',
+                '64' => '111422',
+                '65' => '121124',
+                '66' => '121421',
+                '67' => '141122',
+                '68' => '141221',
+                '69' => '112214',
+                '70' => '112412',
+                '71' => '122114',
+                '72' => '122411',
+                '73' => '142112',
+                '74' => '142211',
+                '75' => '241211',
+                '76' => '221114',
+                '77' => '413111',
+                '78' => '241112',
+                '79' => '134111',
+                '80' => '111242',
+                '81' => '121142',
+                '82' => '121241',
+                '83' => '114212',
+                '84' => '124112',
+                '85' => '124211',
+                '86' => '411212',
+                '87' => '421112',
+                '88' => '421211',
+                '89' => '212141',
+                '90' => '214121',
+                '91' => '412121',
+                '92' => '111143',
+                '93' => '111341',
+                '94' => '131141',
+                '95' => '114113',
+                '96' => '114311',
+                '97' => '411113',
+                '98' => '411311',
+                '99' => '113141',
+                'CODE B' => '114131',
+                'FNC 4' => '311141',
+                'FNC 1' => '411131',
+                'Start A' => '211412',
+                'Start B' => '211214',
+                'Start C' => '211232',
+                'Stop' => '2331112'
+            ],
             'code128a' => [
                 " " => "212222",
                 "!" => "222122",
@@ -333,6 +443,7 @@ public function __construct()
         'code128' => ['start' => '211214', 'end' => '2331112'],
         'code128b' => ['start' => '211214', 'end' => '2331112'],
         'code128a' => ['start' => '211412', 'end' => '2331112'],
+        'code128c' => ['start' => '211232', 'end' => '2331112'],
         'code39' => ['start' => '1211212111', 'end' => '121121211'],
         'code25' => ['start' => '1111', 'end' => '311'],
         'codabar' => ['start' => '11221211', 'end' => '1122121'],

diff --git a/temp/code128c.png b/temp/code128c.png