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

Example 11 with GlobalHistogramBinarizer

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

the class RSSExpandedInternalTestCase method testRetrieveNextPairPatterns.

@Test
public void testRetrieveNextPairPatterns() throws Exception {
    BufferedImage image = readImage("3.png");
    BinaryBitmap binaryMap = new BinaryBitmap(new GlobalHistogramBinarizer(new BufferedImageLuminanceSource(image)));
    int rowNumber = binaryMap.getHeight() / 2;
    BitArray row = binaryMap.getBlackRow(rowNumber, null);
    List<ExpandedPair> previousPairs = new ArrayList<>();
    RSSExpandedReader rssExpandedReader = new RSSExpandedReader();
    ExpandedPair pair1 = rssExpandedReader.retrieveNextPair(row, previousPairs, rowNumber);
    previousPairs.add(pair1);
    FinderPattern finderPattern = pair1.getFinderPattern();
    assertNotNull(finderPattern);
    assertEquals(0, finderPattern.getValue());
    ExpandedPair pair2 = rssExpandedReader.retrieveNextPair(row, previousPairs, rowNumber);
    previousPairs.add(pair2);
    finderPattern = pair2.getFinderPattern();
    assertNotNull(finderPattern);
    assertEquals(0, finderPattern.getValue());
}

Example 12 with GlobalHistogramBinarizer

use of com.google.zxing.common.GlobalHistogramBinarizer in project BGAQRCode-Android by bingoogolapple.

the class ZXingView method processData.

@Override
protected ScanResult processData(byte[] data, int width, int height, boolean isRetry) {
    Result rawResult = null;
    Rect scanBoxAreaRect = null;
    try {
        PlanarYUVLuminanceSource source;
        scanBoxAreaRect = mScanBoxView.getScanBoxAreaRect(height);
        if (scanBoxAreaRect != null) {
            source = new PlanarYUVLuminanceSource(data, width, height, scanBoxAreaRect.left, scanBoxAreaRect.top, scanBoxAreaRect.width(), scanBoxAreaRect.height(), false);
        } else {
            source = new PlanarYUVLuminanceSource(data, width, height, 0, 0, width, height, false);
        }
        rawResult = mMultiFormatReader.decodeWithState(new BinaryBitmap(new GlobalHistogramBinarizer(source)));
        if (rawResult == null) {
            rawResult = mMultiFormatReader.decodeWithState(new BinaryBitmap(new HybridBinarizer(source)));
            if (rawResult != null) {
                BGAQRCodeUtil.d("GlobalHistogramBinarizer 没识别到，HybridBinarizer 能识别到");
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        mMultiFormatReader.reset();
    }
    if (rawResult == null) {
        return null;
    }
    String result = rawResult.getText();
    if (TextUtils.isEmpty(result)) {
        return null;
    }
    BarcodeFormat barcodeFormat = rawResult.getBarcodeFormat();
    BGAQRCodeUtil.d("格式为：" + barcodeFormat.name());
    // 处理自动缩放和定位点
    boolean isNeedAutoZoom = isNeedAutoZoom(barcodeFormat);
    if (isShowLocationPoint() || isNeedAutoZoom) {
        ResultPoint[] resultPoints = rawResult.getResultPoints();
        final PointF[] pointArr = new PointF[resultPoints.length];
        int pointIndex = 0;
        for (ResultPoint resultPoint : resultPoints) {
            pointArr[pointIndex] = new PointF(resultPoint.getX(), resultPoint.getY());
            pointIndex++;
        }
        if (transformToViewCoordinates(pointArr, scanBoxAreaRect, isNeedAutoZoom, result)) {
            return null;
        }
    }
    return new ScanResult(result);
}