Examples with QRCodeDecoderMetaData com.google.zxing.qrcode.decoder.QRCodeDecoderMetaData used on opensource projects

Example 1 with QRCodeDecoderMetaData

use of com.google.zxing.qrcode.decoder.QRCodeDecoderMetaData in project weex-example by KalicyZhou.

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;
}

Example 2 with QRCodeDecoderMetaData

use of com.google.zxing.qrcode.decoder.QRCodeDecoderMetaData 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 3 with QRCodeDecoderMetaData

use of com.google.zxing.qrcode.decoder.QRCodeDecoderMetaData in project zxing by zxing.

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;
}

Example 4 with QRCodeDecoderMetaData

use of com.google.zxing.qrcode.decoder.QRCodeDecoderMetaData in project weex-example by KalicyZhou.

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()]);
    }
}