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

Example 96 with ResultPoint

use of com.google.zxing.ResultPoint in project android-zxing by PearceXu.

the class BoundingBox method calculateMinMaxValues.

private void calculateMinMaxValues() {
    if (topLeft == null) {
        topLeft = new ResultPoint(0, topRight.getY());
        bottomLeft = new ResultPoint(0, bottomRight.getY());
    } else if (topRight == null) {
        topRight = new ResultPoint(image.getWidth() - 1, topLeft.getY());
        bottomRight = new ResultPoint(image.getWidth() - 1, bottomLeft.getY());
    }
    minX = (int) Math.min(topLeft.getX(), bottomLeft.getX());
    maxX = (int) Math.max(topRight.getX(), bottomRight.getX());
    minY = (int) Math.min(topLeft.getY(), topRight.getY());
    maxY = (int) Math.max(bottomLeft.getY(), bottomRight.getY());
}

Example 97 with ResultPoint

use of com.google.zxing.ResultPoint in project android-zxing by PearceXu.

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 98 with ResultPoint

use of com.google.zxing.ResultPoint in project android-zxing by PearceXu.

the class Detector method correctTopRightRectangular.

/**
 * Calculates the position of the white top right module using the output of the rectangle detector
 * for a rectangular matrix
 */
private ResultPoint correctTopRightRectangular(ResultPoint bottomLeft, ResultPoint bottomRight, ResultPoint topLeft, ResultPoint topRight, int dimensionTop, int dimensionRight) {
    float corr = distance(bottomLeft, bottomRight) / (float) dimensionTop;
    int norm = distance(topLeft, topRight);
    float cos = (topRight.getX() - topLeft.getX()) / norm;
    float sin = (topRight.getY() - topLeft.getY()) / norm;
    ResultPoint c1 = new ResultPoint(topRight.getX() + corr * cos, topRight.getY() + corr * sin);
    corr = distance(bottomLeft, topLeft) / (float) dimensionRight;
    norm = distance(bottomRight, topRight);
    cos = (topRight.getX() - bottomRight.getX()) / norm;
    sin = (topRight.getY() - bottomRight.getY()) / norm;
    ResultPoint c2 = new ResultPoint(topRight.getX() + corr * cos, topRight.getY() + corr * sin);
    if (!isValid(c1)) {
        if (isValid(c2)) {
            return c2;
        }
        return null;
    }
    if (!isValid(c2)) {
        return c1;
    }
    int l1 = Math.abs(dimensionTop - transitionsBetween(topLeft, c1).getTransitions()) + Math.abs(dimensionRight - transitionsBetween(bottomRight, c1).getTransitions());
    int l2 = Math.abs(dimensionTop - transitionsBetween(topLeft, c2).getTransitions()) + Math.abs(dimensionRight - transitionsBetween(bottomRight, c2).getTransitions());
    if (l1 <= l2) {
        return c1;
    }
    return c2;
}

Example 99 with ResultPoint

use of com.google.zxing.ResultPoint in project android-zxing by PearceXu.

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 100 with ResultPoint

use of com.google.zxing.ResultPoint in project android-zxing by PearceXu.

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;
}