Merge pull request #591 from dalferth/code39-extended-mode

added code39 extended mode decode hint
zxing-js · Apr 29, 2024 · cf4b897 · cf4b897
2 parents 99a8e0c + 6a09746
commit cf4b897
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git 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
@@ -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());