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

Example 16 with DecoderResult

use of com.google.zxing.common.DecoderResult in project incubator-weex by apache.

the class DecodedBitStreamParser method decode.

static DecoderResult decode(byte[] bytes) throws FormatException {
    BitSource bits = new BitSource(bytes);
    StringBuilder result = new StringBuilder(100);
    StringBuilder resultTrailer = new StringBuilder(0);
    List<byte[]> byteSegments = new ArrayList<>(1);
    Mode mode = Mode.ASCII_ENCODE;
    do {
        if (mode == Mode.ASCII_ENCODE) {
            mode = decodeAsciiSegment(bits, result, resultTrailer);
        } else {
            switch(mode) {
                case C40_ENCODE:
                    decodeC40Segment(bits, result);
                    break;
                case TEXT_ENCODE:
                    decodeTextSegment(bits, result);
                    break;
                case ANSIX12_ENCODE:
                    decodeAnsiX12Segment(bits, result);
                    break;
                case EDIFACT_ENCODE:
                    decodeEdifactSegment(bits, result);
                    break;
                case BASE256_ENCODE:
                    decodeBase256Segment(bits, result, byteSegments);
                    break;
                default:
                    throw FormatException.getFormatInstance();
            }
            mode = Mode.ASCII_ENCODE;
        }
    } while (mode != Mode.PAD_ENCODE && bits.available() > 0);
    if (resultTrailer.length() > 0) {
        result.append(resultTrailer);
    }
    return new DecoderResult(bytes, result.toString(), byteSegments.isEmpty() ? null : byteSegments, null);
}

Example 17 with DecoderResult

use of com.google.zxing.common.DecoderResult in project incubator-weex by apache.

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;
}

Example 18 with DecoderResult

use of com.google.zxing.common.DecoderResult in project incubator-weex by apache.

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 19 with DecoderResult

use of com.google.zxing.common.DecoderResult in project incubator-weex by apache.

the class PDF417ScanningDecoder method decodeCodewords.

private static DecoderResult decodeCodewords(int[] codewords, int ecLevel, int[] erasures) throws FormatException, ChecksumException {
    if (codewords.length == 0) {
        throw FormatException.getFormatInstance();
    }
    int numECCodewords = 1 << (ecLevel + 1);
    int correctedErrorsCount = correctErrors(codewords, erasures, numECCodewords);
    verifyCodewordCount(codewords, numECCodewords);
    // Decode the codewords
    DecoderResult decoderResult = DecodedBitStreamParser.decode(codewords, String.valueOf(ecLevel));
    decoderResult.setErrorsCorrected(correctedErrorsCount);
    decoderResult.setErasures(erasures.length);
    return decoderResult;
}

Example 20 with DecoderResult

use of com.google.zxing.common.DecoderResult in project incubator-weex by apache.

the class QRCodeReader method decode.

@Override
public final 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, hints);
        points = NO_POINTS;
    } else {
        DetectorResult detectorResult = new Detector(image.getBlackMatrix()).detect(hints);
        decoderResult = decoder.decode(detectorResult.getBits(), hints);
        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());
    }
    return result;
}