com.google.zxing.BinaryBitmap Java Examples

The following examples show how to use com.google.zxing.BinaryBitmap. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: Detector.java    From ZXing-Orient with Apache License 2.0 6 votes vote down vote up 
/**
 * <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);
}
Example #2
Source File: CameraPreview.java    From Android-Barcode-Reader with MIT License 6 votes vote down vote up 
@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();
}
     }
Example #3
Source File: ZxingUtils.java    From tysq-android with GNU General Public License v3.0 6 votes vote down vote up 
/**
 * 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;
}
Example #4
Source File: QRCodeReader.java    From android-quick-response-code with Apache License 2.0 6 votes vote down vote up 
@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;
}
Example #5
Source File: QrCodeCreateUtil.java    From java-study with Apache License 2.0 6 votes vote down vote up 
/**
 * 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());
}
Example #6
Source File: ZxingHelper.java    From seezoon-framework-all with Apache License 2.0 6 votes vote down vote up 
/**
 * 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;
}
Example #7
Source File: PDF417Reader.java    From ZXing-Orient with Apache License 2.0 6 votes vote down vote up 
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()]);
}
Example #8
Source File: DataMatrixReader.java    From analyzer-of-android-for-Apache-Weex with Apache License 2.0 6 votes vote down vote up 
@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;
}
Example #9
Source File: DataMatrixReader.java    From RipplePower with Apache License 2.0 6 votes vote down vote up 
@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;
}
Example #10
Source File: ZxingHandler.java    From Shop-for-JavaWeb with MIT License 6 votes vote down vote up 
/**
 * 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;
}
Example #11
Source File: QrUtils.java    From Mobike with Apache License 2.0 6 votes vote down vote up 
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;
    }
Example #12
Source File: MaxiCodeReader.java    From ZXing-Orient with Apache License 2.0 6 votes vote down vote up 
@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;
}
Example #13
Source File: Detector.java    From analyzer-of-android-for-Apache-Weex with Apache License 2.0 6 votes vote down vote up 
/**
 * <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);
}
Example #14
Source File: QRCodeDecode.java    From ZxingSupport with Apache License 2.0 6 votes vote down vote up 
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();
    }
}
Example #15
Source File: PDF417Reader.java    From barcodescanner-lib-aar with MIT License 6 votes vote down vote up 
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()]);
}
Example #16
Source File: MaxiCodeReader.java    From reacteu-app with MIT License 6 votes vote down vote up 
@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;
}
Example #17
Source File: MaxiCodeReader.java    From MiBandDecompiled with Apache License 2.0 6 votes vote down vote up 
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();
    }
}
Example #18
Source File: DecodeUtils.java    From SimplifyReader with Apache License 2.0 6 votes vote down vote up 
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;
}
Example #19
Source File: ZxingUtils.java    From frpMgr with MIT License 6 votes vote down vote up 
/**
 * 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;
}
Example #20
Source File: QRCodeReader.java    From Tesseract-OCR-Scanner with Apache License 2.0 5 votes vote down vote up 
@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 #21
Source File: QRCodeReader.java    From Telegram-FOSS with GNU General Public License v2.0 5 votes vote down vote up 
@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 #22
Source File: GenericMultipleBarcodeReader.java    From Tesseract-OCR-Scanner with Apache License 2.0 5 votes vote down vote up 
@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()]);
}
Example #23
Source File: ImageProcessor.java    From react-native-documentscanner-android with MIT License 5 votes vote down vote up 
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;

    }
Example #24
Source File: TrackingBarcodeScanner.java    From FastBarcodeScanner with Apache License 2.0 5 votes vote down vote up 
public Barcode findSingle(BinaryBitmap bitmap) {
    return mTracker.findSingle(
            bitmap,
            new Tracker.MyUnaryFunction<BinaryBitmap, Result>() {
                @Override
                public Result apply(BinaryBitmap binaryBitmap) throws NotFoundException {
                    return mScanner.doFind(binaryBitmap);
                }
            }
    );
}
Example #25
Source File: OneDReader.java    From QrCodeScanner with GNU General Public License v3.0 5 votes vote down vote up 
@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;
    }
  }
}
Example #26
Source File: QrCodeUtil.java    From util4j with Apache License 2.0 5 votes vote down vote up 
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();
}
Example #27
Source File: Utils.java    From code-scanner with MIT License 5 votes vote down vote up 
@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();
    }
}
Example #28
Source File: GenericMultipleBarcodeReader.java    From barcodescanner-lib-aar with MIT License 5 votes vote down vote up 
@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()]);
}
Example #29
Source File: ScanActivity.java    From green_android with GNU General Public License v3.0 5 votes vote down vote up 
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();
    }
}
Example #30
Source File: QRCodeReader.java    From weex with Apache License 2.0 5 votes vote down vote up 
@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;
}