From 6a09746399486b3a50b065ea2ea51394e6770ae3 Mon Sep 17 00:00:00 2001
From: BD <51322242+dalferth@users.noreply.github.com>
Date: Fri, 23 Feb 2024 15:11:11 +0100
Subject: [PATCH] added code39 extended mode decode hint

---
 src/core/DecodeHintType.ts             | 6 ++++++
 src/core/oned/MultiFormatOneDReader.ts | 3 ++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/core/DecodeHintType.ts b/src/core/DecodeHintType.ts
index e07470fe..40145127 100644
--- a/src/core/DecodeHintType.ts
+++ b/src/core/DecodeHintType.ts
@@ -66,6 +66,12 @@ enum DecodeHintType {
      */
     ASSUME_CODE_39_CHECK_DIGIT/*(Void.class)*/,
 
+    /**
+     * Enable extended mode for Code 39 codes. Doesn't matter what it maps to;
+     * use {@link Boolean#TRUE}.
+     */
+    ENABLE_CODE_39_EXTENDED_MODE/*(Void.class)*/,
+
     /**
      * Assume the barcode is being processed as a GS1 barcode, and modify behavior as needed.
      * For example this affects FNC1 handling for Code 128 (aka GS1-128). Doesn't matter what it maps to;
diff --git a/src/core/oned/MultiFormatOneDReader.ts b/src/core/oned/MultiFormatOneDReader.ts
index 1aa4371d..7ce03af0 100644
--- a/src/core/oned/MultiFormatOneDReader.ts
+++ b/src/core/oned/MultiFormatOneDReader.ts
@@ -43,6 +43,7 @@ export default class MultiFormatOneDReader extends OneDReader {
     super();
     const possibleFormats = !hints ? null : <BarcodeFormat[]>hints.get(DecodeHintType.POSSIBLE_FORMATS);
     const useCode39CheckDigit = hints && hints.get(DecodeHintType.ASSUME_CODE_39_CHECK_DIGIT) !== undefined;
+    const useCode39ExtendedMode = hints && hints.get(DecodeHintType.ENABLE_CODE_39_EXTENDED_MODE) !== undefined;
 
     if (possibleFormats) {
       if (possibleFormats.includes(BarcodeFormat.EAN_13) ||
@@ -52,7 +53,7 @@ export default class MultiFormatOneDReader extends OneDReader {
         this.readers.push(new MultiFormatUPCEANReader(hints));
       }
       if (possibleFormats.includes(BarcodeFormat.CODE_39)) {
-        this.readers.push(new Code39Reader(useCode39CheckDigit));
+        this.readers.push(new Code39Reader(useCode39CheckDigit, useCode39ExtendedMode));
       }
       if (possibleFormats.includes(BarcodeFormat.CODE_93)) {
           this.readers.push(new Code93Reader());