Examples with ResultPoint com.google.zxing.ResultPoint used on opensource projects

Example 61 with ResultPoint

use of com.google.zxing.ResultPoint 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;
}

Example 62 with ResultPoint

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

the class BoundingBox method addMissingRows.

BoundingBox addMissingRows(int missingStartRows, int missingEndRows, boolean isLeft) throws NotFoundException {
    ResultPoint newTopLeft = topLeft;
    ResultPoint newBottomLeft = bottomLeft;
    ResultPoint newTopRight = topRight;
    ResultPoint newBottomRight = bottomRight;
    if (missingStartRows > 0) {
        ResultPoint top = isLeft ? topLeft : topRight;
        int newMinY = (int) top.getY() - missingStartRows;
        if (newMinY < 0) {
            newMinY = 0;
        }
        ResultPoint newTop = new ResultPoint(top.getX(), newMinY);
        if (isLeft) {
            newTopLeft = newTop;
        } else {
            newTopRight = newTop;
        }
    }
    if (missingEndRows > 0) {
        ResultPoint bottom = isLeft ? bottomLeft : bottomRight;
        int newMaxY = (int) bottom.getY() + missingEndRows;
        if (newMaxY >= image.getHeight()) {
            newMaxY = image.getHeight() - 1;
        }
        ResultPoint newBottom = new ResultPoint(bottom.getX(), newMaxY);
        if (isLeft) {
            newBottomLeft = newBottom;
        } else {
            newBottomRight = newBottom;
        }
    }
    calculateMinMaxValues();
    return new BoundingBox(image, newTopLeft, newBottomLeft, newTopRight, newBottomRight);
}

Example 63 with ResultPoint

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

the class QRCodeDecoderMetaData method applyMirroredCorrection.

/**
 * Apply the result points' order correction due to mirroring.
 *
 * @param points Array of points to apply mirror correction to.
 */
public void applyMirroredCorrection(ResultPoint[] points) {
    if (!mirrored || points == null || points.length < 3) {
        return;
    }
    ResultPoint bottomLeft = points[0];
    points[0] = points[2];
    points[2] = bottomLeft;
// No need to 'fix' top-left and alignment pattern.
}

Example 64 with ResultPoint

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

the class Detector method computeDimension.

/**
 * <p>Computes the dimension (number of modules on a size) of the QR Code based on the position
 * of the finder patterns and estimated module size.</p>
 */
private static int computeDimension(ResultPoint topLeft, ResultPoint topRight, ResultPoint bottomLeft, float moduleSize) throws NotFoundException {
    int tltrCentersDimension = MathUtils.round(ResultPoint.distance(topLeft, topRight) / moduleSize);
    int tlblCentersDimension = MathUtils.round(ResultPoint.distance(topLeft, bottomLeft) / moduleSize);
    int dimension = ((tltrCentersDimension + tlblCentersDimension) / 2) + 7;
    switch(// mod 4
    dimension & 0x03) {
        case 0:
            dimension++;
            break;
        // 1? do nothing
        case 2:
            dimension--;
            break;
        case 3:
            throw NotFoundException.getNotFoundInstance();
    }
    return dimension;
}

Example 65 with ResultPoint

use of com.google.zxing.ResultPoint in project keepass2android by PhilippC.

the class ViewfinderView method addPossibleResultPoint.

public void addPossibleResultPoint(ResultPoint point) {
    List<ResultPoint> points = possibleResultPoints;
    synchronized (points) {
        points.add(point);
        int size = points.size();
        if (size > MAX_RESULT_POINTS) {
            // trim it
            points.subList(0, size - MAX_RESULT_POINTS / 2).clear();
        }
    }
}