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Bug fix for edge case in UPC reader. Row to be decoded was null producing null results. Added TODO for future work.

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favoritas37 2016-01-23 20:57:37 +02:00
parent 5507ab4786
commit c916e0952b
1 changed files with 5 additions and 0 deletions
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5
src/zxing/zxing/oned/MultiFormatUPCEANReader.cpp
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@ -74,6 +74,11 @@ Ref<Result> MultiFormatUPCEANReader::decodeRow(int rowNumber, Ref<BitArray> row)
continue;
}
//added this because reader->decodeRow returns null if row is null
//TODO: investigate why the execution reaches here with empty row.
if(result.empty())
continue;
// Special case: a 12-digit code encoded in UPC-A is identical
// to a "0" followed by those 12 digits encoded as EAN-13. Each
// will recognize such a code, UPC-A as a 12-digit string and