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added code39 extended mode decode hint #591

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merged 1 commit into from
Apr 29, 2024
Merged

added code39 extended mode decode hint #591

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6 changes: 6 additions & 0 deletions src/core/DecodeHintType.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
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3 changes: 2 additions & 1 deletion src/core/oned/MultiFormatOneDReader.ts
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Expand Up @@ -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) ||
Expand All @@ -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());
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