Merge pull request #183 from dvrtech-us/main

Working ITF14 support with test and updated readme

Readme.md

@@ -84,6 +84,7 @@ Most used types are TYPE_CODE_128 and TYPE_CODE_39. Because of the best scanner
 - TYPE_EAN_5
 - TYPE_EAN_8
 - TYPE_EAN_13
+- TYPE_ITF14 (Also known as GTIN-14)
 - TYPE_UPC_A
 - TYPE_UPC_E
 - TYPE_MSI

src/BarcodeGenerator.php

@@ -47,6 +47,7 @@
 use Picqer\Barcode\Types\TypeIntelligentMailBarcode;
 use Picqer\Barcode\Types\TypeInterleaved25;
 use Picqer\Barcode\Types\TypeInterleaved25Checksum;
+use Picqer\Barcode\Types\TypeITF14;
 use Picqer\Barcode\Types\TypeKix;
 use Picqer\Barcode\Types\TypeMsi;
 use Picqer\Barcode\Types\TypeMsiChecksum;
@@ -74,6 +75,7 @@ abstract class BarcodeGenerator
     const TYPE_STANDARD_2_5_CHECKSUM = 'S25+';
     const TYPE_INTERLEAVED_2_5 = 'I25';
     const TYPE_INTERLEAVED_2_5_CHECKSUM = 'I25+';
+    const TYPE_ITF_14 = 'ITF14';
     const TYPE_CODE_128 = 'C128';
     const TYPE_CODE_128_A = 'C128A';
     const TYPE_CODE_128_B = 'C128B';
@@ -136,6 +138,9 @@ protected function createDataBuilderForType(string $type)
             case self::TYPE_INTERLEAVED_2_5_CHECKSUM:
                 return new TypeInterleaved25Checksum();
 
+            case self::TYPE_ITF_14:
+                return new TypeITF14();
+
             case self::TYPE_CODE_128:
                 return new TypeCode128();
 

src/Types/TypeITF14.php

@@ -0,0 +1,112 @@
+<?php
+
+namespace Picqer\Barcode\Types;
+
+use Picqer\Barcode\Barcode;
+use Picqer\Barcode\BarcodeBar;
+use Picqer\Barcode\Exceptions\InvalidCharacterException;
+use Picqer\Barcode\Exceptions\InvalidLengthException;
+use Picqer\Barcode\Types\TypeInterface;
+
+class TypeITF14 implements TypeInterface
+{
+    /**
+     * @throws InvalidLengthException
+     * @throws InvalidCharacterException
+     */
+    public function getBarcodeData(string $code): Barcode
+    {
+        $barcode = new Barcode($code);
+
+        $chr      = array();
+        $chr['0'] = '11221';
+        $chr['1'] = '21112';
+        $chr['2'] = '12112';
+        $chr['3'] = '22111';
+        $chr['4'] = '11212';
+        $chr['5'] = '21211';
+        $chr['6'] = '12211';
+        $chr['7'] = '11122';
+        $chr['8'] = '21121';
+        $chr['9'] = '12121';
+
+        if (strlen($code) === 13) {
+            $total = 0;
+
+            for ($i = 0; $i <= strlen($code) - 1; $i++) {
+                $temp  = intval($code . substr($i, 1));
+                $total += $temp * (($i === 0 || $i % 2 === 0) ? 3 : 1);
+            }
+
+            $cs = $total % 10;
+            $cs = 10 - $cs;
+            if ($cs === 10) {
+                $cs = 0;
+            }
+
+            $code .= (string) $cs;
+        }
+
+        if (strlen($code) > 14 || strlen($code) < 13) {
+            throw new InvalidLengthException();
+        }
+
+        $k         = 0;
+        $pbegin    = "1010";
+        $pbeginarr = str_split($pbegin);
+
+        foreach ($pbeginarr as $x) {
+            $t = $x === '1';
+            $w = 1;
+
+            $barcode->addBar(new BarcodeBar($w, 1, $t));
+            ++$k;
+        }
+
+        for ($i = 0; $i < strlen($code); $i += 2) {
+            if (!isset($chr[$code[$i]]) || !isset($chr[$code[$i + 1]])) {
+                throw new InvalidCharacterException();
+            }
+
+            $bars    = true;
+            $pbars   = $chr[$code[$i]];
+            $pspaces = $chr[$code[$i + 1]];
+            $pmixed  = "";
+
+
+            while (strlen($pbars) > 0) {
+                $pmixed  .= $pbars[0] . $pspaces[0];
+                $pbars   = substr($pbars, 1);
+                $pspaces = substr($pspaces, 1);
+            }
+
+            $pmixedarr = str_split($pmixed);
+
+            foreach ($pmixedarr as $x) {
+                if ($bars) {
+                    $t = true;
+                } else {
+                    $t = false;
+                }
+                $w = ($x === '1') ? '1' : '2';
+
+                $barcode->addBar(new BarcodeBar($w, 1, $t));
+                $bars = !$bars;
+                ++$k;
+            }
+        }
+
+        $pend    = "1101";
+        $pendarr = str_split($pend);
+
+        foreach ($pendarr as $x) {
+            $t = $x == '1';
+            $w = 1;
+
+            $barcode->addBar(new BarcodeBar($w, 1, $t));
+            ++$k;
+        }
+
+        return $barcode;
+    }
+}

tests/VerifiedBarcodeTest.php

@@ -24,6 +24,7 @@ class VerifiedBarcodeTest extends TestCase
         ['type' => BarcodeGenerator::TYPE_INTERLEAVED_2_5, 'barcodes' => ['1234567890']],
         ['type' => BarcodeGenerator::TYPE_INTERLEAVED_2_5_CHECKSUM, 'barcodes' => ['1234567890']],
         ['type' => BarcodeGenerator::TYPE_EAN_13, 'barcodes' => ['081231723897', '0049000004632', '004900000463']],
+        ['type' => BarcodeGenerator::TYPE_ITF_14, 'barcodes' => ['00012345600012']],
         ['type' => BarcodeGenerator::TYPE_CODE_128, 'barcodes' => ['081231723897', '1234567890abcABC-283*33']],
         ['type' => BarcodeGenerator::TYPE_CODE_128_A, 'barcodes' => ['1234567890']],
         ['type' => BarcodeGenerator::TYPE_CODE_128_B, 'barcodes' => ['081231723897', '1234567890abcABC-283*33']],
@@ -62,7 +63,8 @@ public function testAllSupportedBarcodeTypes()
         }
     }
 
-    protected function getSaveFilename($value) {
+    protected function getSaveFilename($value)
+    {
         return preg_replace('/[^a-zA-Z0-9_ \-+]/s', '-', $value);
     }
 }