Examples with DecoderResult com.google.zxing.common.DecoderResult used on opensource projects

Example 6 with DecoderResult

use of com.google.zxing.common.DecoderResult in project zxing by zxing.

the class DecodedBitStreamParser method decode.

static DecoderResult decode(byte[] bytes, int mode) {
    StringBuilder result = new StringBuilder(144);
    switch(mode) {
        case 2:
        case 3:
            String postcode;
            if (mode == 2) {
                int pc = getPostCode2(bytes);
                NumberFormat df = new DecimalFormat("0000000000".substring(0, getPostCode2Length(bytes)));
                postcode = df.format(pc);
            } else {
                postcode = getPostCode3(bytes);
            }
            NumberFormat threeDigits = new DecimalFormat("000");
            String country = threeDigits.format(getCountry(bytes));
            String service = threeDigits.format(getServiceClass(bytes));
            result.append(getMessage(bytes, 10, 84));
            if (result.toString().startsWith("[)>" + RS + "01" + GS)) {
                result.insert(9, postcode + GS + country + GS + service + GS);
            } else {
                result.insert(0, postcode + GS + country + GS + service + GS);
            }
            break;
        case 4:
            result.append(getMessage(bytes, 1, 93));
            break;
        case 5:
            result.append(getMessage(bytes, 1, 77));
            break;
    }
    return new DecoderResult(bytes, result.toString(), null, String.valueOf(mode));
}

Example 7 with DecoderResult

use of com.google.zxing.common.DecoderResult in project zxing by zxing.

the class DataMatrixReader method decode.

@Override
public Result decode(BinaryBitmap image, Map<DecodeHintType, ?> hints) throws NotFoundException, ChecksumException, FormatException {
    DecoderResult decoderResult;
    ResultPoint[] points;
    if (hints != null && hints.containsKey(DecodeHintType.PURE_BARCODE)) {
        BitMatrix bits = extractPureBits(image.getBlackMatrix());
        decoderResult = decoder.decode(bits);
        points = NO_POINTS;
    } else {
        DetectorResult detectorResult = new Detector(image.getBlackMatrix()).detect();
        decoderResult = decoder.decode(detectorResult.getBits());
        points = detectorResult.getPoints();
    }
    Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points, BarcodeFormat.DATA_MATRIX);
    List<byte[]> byteSegments = decoderResult.getByteSegments();
    if (byteSegments != null) {
        result.putMetadata(ResultMetadataType.BYTE_SEGMENTS, byteSegments);
    }
    String ecLevel = decoderResult.getECLevel();
    if (ecLevel != null) {
        result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
    }
    return result;
}

Example 8 with DecoderResult

use of com.google.zxing.common.DecoderResult in project zxing by zxing.

the class QRCodeMultiReader method decodeMultiple.

@Override
public Result[] decodeMultiple(BinaryBitmap image, Map<DecodeHintType, ?> hints) throws NotFoundException {
    List<Result> results = new ArrayList<>();
    DetectorResult[] detectorResults = new MultiDetector(image.getBlackMatrix()).detectMulti(hints);
    for (DetectorResult detectorResult : detectorResults) {
        try {
            DecoderResult decoderResult = getDecoder().decode(detectorResult.getBits(), hints);
            ResultPoint[] points = detectorResult.getPoints();
            // If the code was mirrored: swap the bottom-left and the top-right points.
            if (decoderResult.getOther() instanceof QRCodeDecoderMetaData) {
                ((QRCodeDecoderMetaData) decoderResult.getOther()).applyMirroredCorrection(points);
            }
            Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points, BarcodeFormat.QR_CODE);
            List<byte[]> byteSegments = decoderResult.getByteSegments();
            if (byteSegments != null) {
                result.putMetadata(ResultMetadataType.BYTE_SEGMENTS, byteSegments);
            }
            String ecLevel = decoderResult.getECLevel();
            if (ecLevel != null) {
                result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
            }
            if (decoderResult.hasStructuredAppend()) {
                result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_SEQUENCE, decoderResult.getStructuredAppendSequenceNumber());
                result.putMetadata(ResultMetadataType.STRUCTURED_APPEND_PARITY, decoderResult.getStructuredAppendParity());
            }
            results.add(result);
        } catch (ReaderException re) {
        // ignore and continue 
        }
    }
    if (results.isEmpty()) {
        return EMPTY_RESULT_ARRAY;
    } else {
        results = processStructuredAppend(results);
        return results.toArray(new Result[results.size()]);
    }
}

Example 9 with DecoderResult

use of com.google.zxing.common.DecoderResult in project zxing by zxing.

the class DecodedBitStreamParser method decode.

static DecoderResult decode(int[] codewords, String ecLevel) throws FormatException {
    StringBuilder result = new StringBuilder(codewords.length * 2);
    Charset encoding = DEFAULT_ENCODING;
    // Get compaction mode
    int codeIndex = 1;
    int code = codewords[codeIndex++];
    PDF417ResultMetadata resultMetadata = new PDF417ResultMetadata();
    while (codeIndex < codewords[0]) {
        switch(code) {
            case TEXT_COMPACTION_MODE_LATCH:
                codeIndex = textCompaction(codewords, codeIndex, result);
                break;
            case BYTE_COMPACTION_MODE_LATCH:
            case BYTE_COMPACTION_MODE_LATCH_6:
                codeIndex = byteCompaction(code, codewords, encoding, codeIndex, result);
                break;
            case MODE_SHIFT_TO_BYTE_COMPACTION_MODE:
                result.append((char) codewords[codeIndex++]);
                break;
            case NUMERIC_COMPACTION_MODE_LATCH:
                codeIndex = numericCompaction(codewords, codeIndex, result);
                break;
            case ECI_CHARSET:
                CharacterSetECI charsetECI = CharacterSetECI.getCharacterSetECIByValue(codewords[codeIndex++]);
                encoding = Charset.forName(charsetECI.name());
                break;
            case ECI_GENERAL_PURPOSE:
                // Can't do anything with generic ECI; skip its 2 characters
                codeIndex += 2;
                break;
            case ECI_USER_DEFINED:
                // Can't do anything with user ECI; skip its 1 character
                codeIndex++;
                break;
            case BEGIN_MACRO_PDF417_CONTROL_BLOCK:
                codeIndex = decodeMacroBlock(codewords, codeIndex, resultMetadata);
                break;
            case BEGIN_MACRO_PDF417_OPTIONAL_FIELD:
            case MACRO_PDF417_TERMINATOR:
                // Should not see these outside a macro block
                throw FormatException.getFormatInstance();
            default:
                // Default to text compaction. During testing numerous barcodes
                // appeared to be missing the starting mode. In these cases defaulting
                // to text compaction seems to work.
                codeIndex--;
                codeIndex = textCompaction(codewords, codeIndex, result);
                break;
        }
        if (codeIndex < codewords.length) {
            code = codewords[codeIndex++];
        } else {
            throw FormatException.getFormatInstance();
        }
    }
    if (result.length() == 0) {
        throw FormatException.getFormatInstance();
    }
    DecoderResult decoderResult = new DecoderResult(null, result.toString(), null, ecLevel);
    decoderResult.setOther(resultMetadata);
    return decoderResult;
}

Example 10 with DecoderResult

use of com.google.zxing.common.DecoderResult in project weex-example by KalicyZhou.

the class MaxiCodeReader method decode.

@Override
public Result decode(BinaryBitmap image, Map<DecodeHintType, ?> hints) throws NotFoundException, ChecksumException, FormatException {
    DecoderResult decoderResult;
    if (hints != null && hints.containsKey(DecodeHintType.PURE_BARCODE)) {
        BitMatrix bits = extractPureBits(image.getBlackMatrix());
        decoderResult = decoder.decode(bits, hints);
    } else {
        throw NotFoundException.getNotFoundInstance();
    }
    ResultPoint[] points = NO_POINTS;
    Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points, BarcodeFormat.MAXICODE);
    String ecLevel = decoderResult.getECLevel();
    if (ecLevel != null) {
        result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
    }
    return result;
}