类com.google.zxing.BinaryBitmap源码实例Demo

下面列出了怎么用com.google.zxing.BinaryBitmap的API类实例代码及写法,或者点击链接到github查看源代码。

源代码1 项目: frpMgr   文件: ZxingUtils.java
/**
 * 二维码解码
 * 
 * @param imgPath
 * @return String
 */
public static String decode2(String imgPath) {
	BufferedImage image = null;
	Result result = null;
	try {
		image = ImageIO.read(new File(imgPath));
		if (image == null) {
			System.out.println("the decode image may be not exit.");
		}
		LuminanceSource source = new BufferedImageLuminanceSource(image);
		BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
		Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>();
		hints.put(DecodeHintType.CHARACTER_SET, "GBK");
		result = new MultiFormatReader().decode(bitmap, hints);
		return result.getText();
	} catch (Exception e) {
		e.printStackTrace();
	}
	return null;
}
 
源代码2 项目: tysq-android   文件: ZxingUtils.java
/**
 * 解析QR图内容
 *
 * @param imageView
 * @return
 */

public static String readImage(ImageView imageView) {
    String content = null;
    Map<DecodeHintType, String> hints = new HashMap<>();
    hints.put(DecodeHintType.CHARACTER_SET, "utf-8");

    // 获得待解析的图片
    Bitmap bitmap = ((BitmapDrawable) imageView.getDrawable()).getBitmap();
    RGBLuminanceSource source = new RGBLuminanceSource(bitmap);
    BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    try {
        Result result = reader.decode(bitmap1, hints);
        // 得到解析后的文字
        content = result.getText();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return content;
}
 
源代码3 项目: Android-Barcode-Reader   文件: CameraPreview.java
@Override
     public void onPreviewFrame(byte[] data, Camera camera) {
         // TODO Auto-generated method stub
     	
     	if (mDialog.isShowing())
     		return;
     	
     	LuminanceSource source = new PlanarYUVLuminanceSource(data, mWidth, mHeight, mLeft, mTop, mAreaWidth, mAreaHeight, false);
         BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(
           source));
         Result result;
       
         try {
	result = mMultiFormatReader.decode(bitmap, null);
	if (result != null) {
		mDialog.setTitle("Result");
		mDialog.setMessage(result.getText());
		mDialog.show();
	}
} catch (NotFoundException e) {
	// TODO Auto-generated catch block
	e.printStackTrace();
}
     }
 
@Override
public 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();
    }

    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);
    }
    return result;
}
 
源代码5 项目: java-study   文件: QrCodeCreateUtil.java
/**
 * 读二维码并输出携带的信息
 */
public static void readQrCode(InputStream inputStream) throws IOException {
    //从输入流中获取字符串信息
    BufferedImage image = ImageIO.read(inputStream);
    //将图像转换为二进制位图源
    LuminanceSource source = new BufferedImageLuminanceSource(image);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    Result result = null;
    try {
        result = reader.decode(bitmap);
    } catch (ReaderException e) {
        e.printStackTrace();
    }
    System.out.println(result.getText());
}
 
源代码6 项目: seezoon-framework-all   文件: ZxingHelper.java
/**
 * 解析二维码
 * 
 * @param file
 *            二维码图片
 * @return
 * @throws Exception
 */
public static String decode(InputStream in) throws Exception {
	BufferedImage image = ImageIO.read(in);
	if (image == null) {
		return null;
	}
	BufferedImageLuminanceSource source = new BufferedImageLuminanceSource(image);
	BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
	Result result;
	Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>();
	hints.put(DecodeHintType.CHARACTER_SET, CHARSET);
	result = new MultiFormatReader().decode(bitmap, hints);
	String resultStr = result.getText();
	in.close();
	return resultStr;
}
 
源代码7 项目: ZXing-Orient   文件: PDF417Reader.java
private static Result[] decode(BinaryBitmap image, Map<DecodeHintType, ?> hints, boolean multiple) 
    throws NotFoundException, FormatException, ChecksumException {
  List<Result> results = new ArrayList<>();
  PDF417DetectorResult detectorResult = Detector.detect(image, hints, multiple);
  for (ResultPoint[] points : detectorResult.getPoints()) {
    DecoderResult decoderResult = PDF417ScanningDecoder.decode(detectorResult.getBits(), points[4], points[5],
        points[6], points[7], getMinCodewordWidth(points), getMaxCodewordWidth(points));
    Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points, BarcodeFormat.PDF_417);
    result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, decoderResult.getECLevel());
    PDF417ResultMetadata pdf417ResultMetadata = (PDF417ResultMetadata) decoderResult.getOther();
    if (pdf417ResultMetadata != null) {
      result.putMetadata(ResultMetadataType.PDF417_EXTRA_METADATA, pdf417ResultMetadata);
    }
    results.add(result);
  }
  return results.toArray(new Result[results.size()]);
}
 
@Override
public 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);
    points = NO_POINTS;
  } else {
    DetectorResult detectorResult = new Detector(image.getBlackMatrix()).detect();
    decoderResult = decoder.decode(detectorResult.getBits());
    points = detectorResult.getPoints();
  }
  Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points,
      BarcodeFormat.DATA_MATRIX);
  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);
  }
  return result;
}
 
源代码9 项目: RipplePower   文件: DataMatrixReader.java
@Override
public 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);
		points = NO_POINTS;
	} else {
		DetectorResult detectorResult = new Detector(image.getBlackMatrix()).detect();
		decoderResult = decoder.decode(detectorResult.getBits());
		points = detectorResult.getPoints();
	}
	Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points,
			BarcodeFormat.DATA_MATRIX);
	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);
	}
	return result;
}
 
源代码10 项目: Shop-for-JavaWeb   文件: ZxingHandler.java
/**
 * 条形码解码
 * 
 * @param imgPath
 * @return String
 */
public static String decode(String imgPath) {
	BufferedImage image = null;
	Result result = null;
	try {
		image = ImageIO.read(new File(imgPath));
		if (image == null) {
			System.out.println("the decode image may be not exit.");
		}
		LuminanceSource source = new BufferedImageLuminanceSource(image);
		BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

		result = new MultiFormatReader().decode(bitmap, null);
		return result.getText();
	} catch (Exception e) {
		e.printStackTrace();
	}
	return null;
}
 
源代码11 项目: MiBandDecompiled   文件: MaxiCodeReader.java
public Result decode(BinaryBitmap binarybitmap, Map map)
{
    if (map != null && map.containsKey(DecodeHintType.PURE_BARCODE))
    {
        BitMatrix bitmatrix = a(binarybitmap.getBlackMatrix());
        DecoderResult decoderresult = d.decode(bitmatrix, map);
        ResultPoint aresultpoint[] = a;
        Result result = new Result(decoderresult.getText(), decoderresult.getRawBytes(), aresultpoint, BarcodeFormat.MAXICODE);
        String s = decoderresult.getECLevel();
        if (s != null)
        {
            result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, s);
        }
        return result;
    } else
    {
        throw NotFoundException.getNotFoundInstance();
    }
}
 
源代码12 项目: Mobike   文件: QrUtils.java
public static Result decodeImage(final String path) {
        Bitmap bitmap = QrUtils.decodeSampledBitmapFromFile(path, 256, 256);
        // Google Photo 相册中选取云照片是会出现 Bitmap == null
        if (bitmap == null) return null;
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        int[] pixels = new int[width * height];
        bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
//                RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
        PlanarYUVLuminanceSource source1 = new PlanarYUVLuminanceSource(getYUV420sp(width, height, bitmap), width, height, 0, 0, width, height, false);
        BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(source1));
//                BinaryBitmap binaryBitmap = new BinaryBitmap(new GlobalHistogramBinarizer(source1));
        HashMap<DecodeHintType, Object> hints = new HashMap<>();

        hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
        hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");

        try {
            return new MultiFormatReader().decode(binaryBitmap, hints);
        } catch (NotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }
 
源代码13 项目: ZXing-Orient   文件: MaxiCodeReader.java
@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;
}
 
/**
 * <p>Detects a PDF417 Code in an image. Only checks 0 and 180 degree rotations.</p>
 *
 * @param image barcode image to decode
 * @param hints optional hints to detector
 * @param multiple if true, then the image is searched for multiple codes. If false, then at most one code will
 * be found and returned
 * @return {@link PDF417DetectorResult} encapsulating results of detecting a PDF417 code
 * @throws NotFoundException if no PDF417 Code can be found
 */
public static PDF417DetectorResult detect(BinaryBitmap image, Map<DecodeHintType,?> hints, boolean multiple)
    throws NotFoundException {
  // TODO detection improvement, tryHarder could try several different luminance thresholds/blackpoints or even 
  // different binarizers
  //boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER);

  BitMatrix bitMatrix = image.getBlackMatrix();

  List<ResultPoint[]> barcodeCoordinates = detect(multiple, bitMatrix);
  if (barcodeCoordinates.isEmpty()) {
    bitMatrix = bitMatrix.clone();
    bitMatrix.rotate180();
    barcodeCoordinates = detect(multiple, bitMatrix);
  }
  return new PDF417DetectorResult(bitMatrix, barcodeCoordinates);
}
 
源代码15 项目: ZxingSupport   文件: QRCodeDecode.java
public String decode(final Bitmap image){
    final long start = System.currentTimeMillis();
    final int width = image.getWidth(), height = image.getHeight();
    final int[] pixels = new int[width * height];
    image.getPixels(pixels, 0, width, 0, 0, width, height);
    final RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
    final BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    try {
        Result rawResult = mMultiFormatReader.decodeWithState(bitmap);
        final long end = System.currentTimeMillis();
        Log.d(TAG, "QRCode decode in " + (end - start) + "ms");
        Log.d(TAG, rawResult.toString());
        return rawResult.getText();
    } catch (NotFoundException re) {
        Log.w(TAG, re);
        return null;
    }finally {
        mMultiFormatReader.reset();
    }
}
 
源代码16 项目: barcodescanner-lib-aar   文件: PDF417Reader.java
private static Result[] decode(BinaryBitmap image, Map<DecodeHintType, ?> hints, boolean multiple) 
    throws NotFoundException, FormatException, ChecksumException {
  List<Result> results = new ArrayList<>();
  PDF417DetectorResult detectorResult = Detector.detect(image, hints, multiple);
  for (ResultPoint[] points : detectorResult.getPoints()) {
    DecoderResult decoderResult = PDF417ScanningDecoder.decode(detectorResult.getBits(), points[4], points[5],
        points[6], points[7], getMinCodewordWidth(points), getMaxCodewordWidth(points));
    Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points, BarcodeFormat.PDF_417);
    result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, decoderResult.getECLevel());
    PDF417ResultMetadata pdf417ResultMetadata = (PDF417ResultMetadata) decoderResult.getOther();
    if (pdf417ResultMetadata != null) {
      result.putMetadata(ResultMetadataType.PDF417_EXTRA_METADATA, pdf417ResultMetadata);
    }
    results.add(result);
  }
  return results.toArray(new Result[results.size()]);
}
 
源代码17 项目: reacteu-app   文件: MaxiCodeReader.java
@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;
}
 
源代码18 项目: SimplifyReader   文件: DecodeUtils.java
public String decodeWithZxing(byte[] data, int width, int height, Rect crop) {
    MultiFormatReader multiFormatReader = new MultiFormatReader();
    multiFormatReader.setHints(changeZXingDecodeDataMode());

    Result rawResult = null;
    PlanarYUVLuminanceSource source = new PlanarYUVLuminanceSource(data, width, height,
            crop.left, crop.top, crop.width(), crop.height(), false);

    if (source != null) {
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        try {
            rawResult = multiFormatReader.decodeWithState(bitmap);
        } catch (ReaderException re) {
            // continue
        } finally {
            multiFormatReader.reset();
        }
    }

    return rawResult != null ? rawResult.getText() : null;
}
 
源代码19 项目: ZXing-Orient   文件: Detector.java
/**
 * <p>Detects a PDF417 Code in an image. Only checks 0 and 180 degree rotations.</p>
 *
 * @param image barcode image to decode
 * @param hints optional hints to detector
 * @param multiple if true, then the image is searched for multiple codes. If false, then at most one code will
 * be found and returned
 * @return {@link PDF417DetectorResult} encapsulating results of detecting a PDF417 code
 * @throws NotFoundException if no PDF417 Code can be found
 */
public static PDF417DetectorResult detect(BinaryBitmap image, Map<DecodeHintType,?> hints, boolean multiple)
    throws NotFoundException {
  // TODO detection improvement, tryHarder could try several different luminance thresholds/blackpoints or even 
  // different binarizers
  //boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER);

  BitMatrix bitMatrix = image.getBlackMatrix();

  List<ResultPoint[]> barcodeCoordinates = detect(multiple, bitMatrix);
  if (barcodeCoordinates.isEmpty()) {
    bitMatrix = bitMatrix.clone();
    bitMatrix.rotate180();
    barcodeCoordinates = detect(multiple, bitMatrix);
  }
  return new PDF417DetectorResult(bitMatrix, barcodeCoordinates);
}
 
源代码20 项目: ZxingSupport   文件: QRCodeCameraDecode.java
/**
     * Decode the data within the viewfinder rectangle, and time how long it took. For efficiency,
     * reuse the same reader objects from one decode to the next.
     *
     * @param data   The YUV preview frame.
     */
    public CameraDecodeResult decode(byte[] data,boolean horizontal) {
        int width = mCameraManger.getCameraConfig().getCameraResolution().x;
        int height = mCameraManger.getCameraConfig().getCameraResolution().y;
        Result rawResult = null;

        if (!horizontal){
            // 这里需要将获取的data翻转一下,因为相机默认拿的的横屏的数据
            byte[] rotatedData = new byte[data.length];
            for (int y = 0; y < height; y++) {
                for (int x = 0; x < width; x++)
                    rotatedData[x * height + height - y - 1] = data[x + y * width];
            }
            int tmp = width; // Here we are swapping, that's the difference to #11
            width = height;
            height = tmp;
            data= rotatedData;
        }


        PlanarYUVLuminanceSource source = mCameraManger.buildLuminanceSource(data, width, height,horizontal);
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        try {
            rawResult = multiFormatReader.decodeWithState(bitmap);
        } catch (ReaderException re) {
            // continue
        } finally {
            multiFormatReader.reset();
        }
        Log.e(TAG, "decode:" + rawResult);
        CameraDecodeResult cameraDecodeResult = new CameraDecodeResult();
        cameraDecodeResult.setDecodeResult(rawResult);

        if (rawResult != null){
            // TODO: 2016/11/5
//            cameraDecodeResult.setDecodeByte(bundleThumbnail(source));
        }
        cameraDecodeResult.setDecodeByte(bundleThumbnail(source));
        return cameraDecodeResult;
    }
 
源代码21 项目: Telegram-FOSS   文件: QRCodeReader.java
@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;
}
 
public Result[] zxing( Mat inputImage ) throws ChecksumException, FormatException {

        int w = inputImage.width();
        int h = inputImage.height();

        Mat southEast;

        if (mBugRotate) {
            southEast = inputImage.submat(h-h/4 , h , 0 , w/2 - h/4 );
        } else {
            southEast = inputImage.submat(0, h / 4, w / 2 + h / 4, w);
        }

        Bitmap bMap = Bitmap.createBitmap(southEast.width(), southEast.height(), Bitmap.Config.ARGB_8888);
        org.opencv.android.Utils.matToBitmap(southEast, bMap);
        southEast.release();
        int[] intArray = new int[bMap.getWidth()*bMap.getHeight()];
        //copy pixel data from the Bitmap into the 'intArray' array
        bMap.getPixels(intArray, 0, bMap.getWidth(), 0, 0, bMap.getWidth(), bMap.getHeight());

        LuminanceSource source = new RGBLuminanceSource(bMap.getWidth(), bMap.getHeight(),intArray);

        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

        Result[] results = {};
        try {
            results = qrCodeMultiReader.decodeMultiple(bitmap);
        }
        catch (NotFoundException e) {
        }

        return results;

    }
 
@Override
public Result[] decodeMultiple(BinaryBitmap image, Map<DecodeHintType,?> hints)
    throws NotFoundException {
  List<Result> results = new ArrayList<>();
  doDecodeMultiple(image, hints, results, 0, 0, 0);
  if (results.isEmpty()) {
    throw NotFoundException.getNotFoundInstance();
  }
  return results.toArray(new Result[results.size()]);
}
 
源代码24 项目: green_android   文件: ScanActivity.java
private void decode(final byte[] data)
{
    final PlanarYUVLuminanceSource source = cameraManager.buildLuminanceSource(data);
    final BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

    try {
        hints.put(DecodeHintType.NEED_RESULT_POINT_CALLBACK,
                  (ResultPointCallback) dot -> runOnUiThread(() -> scannerView.addDot(dot)));
        final Result scanResult = reader.decode(bitmap, hints);

        final int thumbnailWidth = source.getThumbnailWidth();
        final int thumbnailHeight = source.getThumbnailHeight();
        final float thumbnailScaleFactor = (float) thumbnailWidth / source.getWidth();

        final Bitmap thumbnailImage = Bitmap.createBitmap(thumbnailWidth, thumbnailHeight,
                                                          Bitmap.Config.ARGB_8888);
        thumbnailImage.setPixels(
            source.renderThumbnail(), 0, thumbnailWidth, 0, 0, thumbnailWidth, thumbnailHeight);

        runOnUiThread(() -> handleResult(scanResult, thumbnailImage, thumbnailScaleFactor));
    } catch (final ReaderException x) {
        // retry
        cameraHandler.post(fetchAndDecodeRunnable);
    } finally {
        reader.reset();
    }
}
 
@Override
public Result decode(BinaryBitmap image, Map<DecodeHintType,?> hints) throws NotFoundException, FormatException,
    ChecksumException {
  Result[] result = decode(image, hints, false);
  if (result == null || result.length == 0 || result[0] == null) {
    throw NotFoundException.getNotFoundInstance();
  }
  return result[0];
}
 
源代码26 项目: maven-framework-project   文件: QRcode.java
/**
 * 读取二维码
 * @param file 二维码源
 * @throws Exception
 */
private static void readCode(File file) throws Exception{
	BufferedImage encodedBufferedImage = ImageIO.read(file) ;
	LuminanceSource source = new BufferedImageLuminanceSource(encodedBufferedImage);
	Result result = new QRCodeReader().decode(new BinaryBitmap(new HybridBinarizer(source)));
	System.out.println(result.getText());
}
 
源代码27 项目: RipplePower   文件: OneDReader.java
@Override
public Result decode(BinaryBitmap image, Map<DecodeHintType, ?> hints) throws NotFoundException, FormatException {
	try {
		return doDecode(image, hints);
	} catch (NotFoundException nfe) {
		boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER);
		if (tryHarder && image.isRotateSupported()) {
			BinaryBitmap rotatedImage = image.rotateCounterClockwise();
			Result result = doDecode(rotatedImage, hints);
			// Record that we found it rotated 90 degrees CCW / 270 degrees
			// CW
			Map<ResultMetadataType, ?> metadata = result.getResultMetadata();
			int orientation = 270;
			if (metadata != null && metadata.containsKey(ResultMetadataType.ORIENTATION)) {
				// But if we found it reversed in doDecode(), add in that
				// result here:
				orientation = (orientation + (Integer) metadata.get(ResultMetadataType.ORIENTATION)) % 360;
			}
			result.putMetadata(ResultMetadataType.ORIENTATION, orientation);
			// Update result points
			ResultPoint[] points = result.getResultPoints();
			if (points != null) {
				int height = rotatedImage.getHeight();
				for (int i = 0; i < points.length; i++) {
					points[i] = new ResultPoint(height - points[i].getY() - 1, points[i].getX());
				}
			}
			return result;
		} else {
			throw nfe;
		}
	}
}
 
源代码28 项目: code-scanner   文件: Utils.java
@Nullable
public static Result decodeLuminanceSource(@NonNull final MultiFormatReader reader,
        @NonNull final LuminanceSource luminanceSource) throws ReaderException {
    try {
        return reader.decodeWithState(new BinaryBitmap(new HybridBinarizer(luminanceSource)));
    } catch (final NotFoundException e) {
        return reader.decodeWithState(
                new BinaryBitmap(new HybridBinarizer(luminanceSource.invert())));
    } finally {
        reader.reset();
    }
}
 
源代码29 项目: util4j   文件: QrCodeUtil.java
public static String decode(InputStream in) throws Exception {
	BufferedImage image = ImageIO.read(in);
	LuminanceSource source = new BufferedImageLuminanceSource(image);
	Binarizer binarizer = new HybridBinarizer(source);
	BinaryBitmap binaryBitmap = new BinaryBitmap(binarizer);
	Map<DecodeHintType, Object> hints = new HashMap<DecodeHintType, Object>();
	hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");
	Result result = new MultiFormatReader().decode(binaryBitmap, hints);// 对图像进行解码
	return result.getText();
}
 
源代码30 项目: Tesseract-OCR-Scanner   文件: QRCodeReader.java
@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;
}
 
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