Java 类com.google.zxing.RGBLuminanceSource 实例源码

项目：Hitalk 文件：QRCodeDecoder.java

/**
 * 同步解析bitmap二维码。该方法是耗时操作，请在子线程中调用。
 *
 * @param bitmap 要解析的二维码图片
 * @return 返回二维码图片里的内容 或 null
 */
public static String syncDecodeQRCode(Bitmap bitmap) {
    try {
        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);
        Result result = new MultiFormatReader().decode(new BinaryBitmap(new HybridBinarizer(source)), HINTS);
        return result.getText();
    } catch (Exception e) {
        return null;
    }
}

项目：androidscan 文件：DecodeUtils.java

public String decodeWithZxing(Bitmap bitmap) {
    MultiFormatReader multiFormatReader = new MultiFormatReader();
    multiFormatReader.setHints(changeZXingDecodeDataMode());

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);

    Result rawResult = null;
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);

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

    return rawResult != null ? rawResult.getText() : null;
}

项目：myapplication 文件：DecodeUtils.java

public Result decodeWithZxing(Bitmap bitmap) {
    MultiFormatReader multiFormatReader = new MultiFormatReader();
    multiFormatReader.setHints(changeZXingDecodeDataMode());

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);

    Result rawResult = null;
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);

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

    return rawResult;
}

项目：SimplifyReader2 文件：DecodeUtils.java

public String decodeWithZxing(Bitmap bitmap) {
    MultiFormatReader multiFormatReader = new MultiFormatReader();
    multiFormatReader.setHints(changeZXingDecodeDataMode());

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);

    Result rawResult = null;
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);

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

    return rawResult != null ? rawResult.getText() : null;
}

项目：SimplifyReader 文件：DecodeUtils.java

public String decodeWithZxing(Bitmap bitmap) {
    MultiFormatReader multiFormatReader = new MultiFormatReader();
    multiFormatReader.setHints(changeZXingDecodeDataMode());

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);

    Result rawResult = null;
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);

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

    return rawResult != null ? rawResult.getText() : null;
}

项目：PROJECT_QR 文件：DecodeQR.java

/**
 * Writes decoded message to Decoded.txt
 * @param f Input QRCode image
 */
public void decode_qr(String f)
{
    try
    {           
        tv= (TextView)findViewById(R.id.dqr);
        tv.setText("");
        Bitmap bmp=BitmapFactory.decodeFile(f); //import QRCode image file
        int width = bmp.getWidth(), height = bmp.getHeight();
        int[] pixels = new int[width * height];
        bmp.getPixels(pixels, 0, width, 0, 0, width, height);
        bmp.recycle();
        bmp = null;
        RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels); 
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));           
        Result qr_result = new QRCodeReader().decode(bitmap);
        tv.setText("Successfully Decoded!\n");
        tv.append("Decoded file is at:\n");
        write_to_file(qr_result.getText().toString());
    }
    catch(Exception e)
    {
        Log.create_log(e, getApplicationContext());
    }
}

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();
    }
}

项目：MUtils 文件：QRCodeUtil.java

public static String convert(Bitmap bitmap) {
    try {
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        int[] pixels = new int[width * height];
        bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
        RGBLuminanceSource rgbLuminanceSource = new RGBLuminanceSource(
                width, height, pixels);
        BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(
                rgbLuminanceSource));
        HashMap<DecodeHintType, Object> hints = new HashMap<DecodeHintType, Object>();
        hints.put(DecodeHintType.CHARACTER_SET, DEFAULT_CHARSET);
        MultiFormatReader multiFormatReader = new MultiFormatReader();
        Result result = multiFormatReader.decode(binaryBitmap, hints);
        return result.getText();
    } catch (Exception e) {
        return null;
    }
}

项目：HaoCommon 文件：DecodeUtils.java

public String decodeWithZxing(Bitmap bitmap) {
    MultiFormatReader multiFormatReader = new MultiFormatReader();
    multiFormatReader.setHints(changeZXingDecodeDataMode());

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);

    Result rawResult = null;
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);

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

    return rawResult != null ? rawResult.getText() : null;
}

项目：talk-android 文件：ScannerActivity.java

protected Result scanningImage(String path) {
    if (StringUtil.isBlank(path)) {
        return null;
    }
    // DecodeHintType 和EncodeHintType
    Hashtable<DecodeHintType, String> hints = new Hashtable<DecodeHintType, String>();
    hints.put(DecodeHintType.CHARACTER_SET, "utf-8"); // 设置二维码内容的编码
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true; // 先获取原大小
    scanBitmap = BitmapFactory.decodeFile(path, options);
    options.inJustDecodeBounds = false; // 获取新的大小

    int sampleSize = (int) (options.outHeight / (float) 200);

    if (sampleSize <= 0)
        sampleSize = 1;
    options.inSampleSize = sampleSize;
    scanBitmap = BitmapFactory.decodeFile(path, options);
    int width = scanBitmap.getWidth(), height = scanBitmap.getHeight();
    int[] pixels = new int[width * height];
    scanBitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    scanBitmap.recycle();
    scanBitmap = null;
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
    BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    try {
        return reader.decode(bitmap1, hints);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

项目：QRCodeUtility 文件：ActivityHelper.java

public Result scanBitmap(Bitmap bitmap) throws FormatException, ChecksumException, NotFoundException {
    Reader reader = new MultiFormatReader();
    Result result;

    int[] intArray = new int[bitmap.getWidth() * bitmap.getHeight()];
    //copy pixel data from the Bitmap into the 'intArray' array
    bitmap.getPixels(intArray, 0, bitmap.getWidth(), 0, 0, bitmap.getWidth(), bitmap.getHeight());

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

    result = reader.decode(bMap);

    return result;
}

项目：Document-Scanner 文件：ImageProcessor.java

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 ignored) {
        }
        return results;
    }

项目：sgm-plugin-barcode 文件：Base64Decoder.java

private static RGBLuminanceSource createLuminanceSource(InputStream inputStream) {
  Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
  int width = bitmap.getWidth();
  int height = bitmap.getHeight();
  int[] pixels = new int[width * height];

  bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
  bitmap.recycle();

  return new RGBLuminanceSource(width, height, pixels);
}

项目：PanBox 文件：QRCodeProcessor.java

@Override
public Bitmap processImage(Bitmap bMap) {

    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 result;
    try {
        result = new MultiFormatReader().decode(bitmap);
        lastResult = result.getText();
        lastFoundTime = System.currentTimeMillis();
        fire(result.getText());
    } catch (NotFoundException e) {
        //that's ok
        if (!lastResult.equals("")) //if result was not empty, clear old result
        {
            long mt1 = System.currentTimeMillis();
            if (mt1 - lastFoundTime > CLEAR_RESULT_TIMEOUT) {
                lastFoundTime = mt1;
                fire("");
                lastResult = "";
            }
        }
    }

    return bMap;
}

项目：TimberdoodleApp 文件：QRReaderWriterTests.java

public static Result decodePureBitmap(Bitmap bmp) throws FormatException, ChecksumException, NotFoundException {
    int width = bmp.getWidth(), height = bmp.getHeight();
    int[] pixels = new int[width * height];
    bmp.getPixels(pixels, 0, width, 0, 0, width, height);
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
    QRCodeReader reader = new QRCodeReader();
    BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(source));
    Map<DecodeHintType, Object> hints = new EnumMap<>(DecodeHintType.class);
    hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
    return reader.decode(binaryBitmap, hints);
}

项目：zxing-bsplus 文件：DecodeHandler.java

@Override
public void handleMessage(Message message) {
  if (running) {
    switch (message.what) {
      case R.id.decode:
        RenderableLuminanceSource source = null;
        byte[] data = (byte[]) message.obj;
        if (data != null) {
          source = activity.getCameraManager().buildLuminanceSource(data);
        }
        decode(source);
        break;
      case R.id.decode_image:
        Bitmap bitmap = (Bitmap) message.obj;
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        int[] pixels = new int[width * height];
        bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
        decodeLocalImage(new RGBLuminanceSource(width, height, pixels));
        break;
      case R.id.quit:
        running = false;
        enhancedDecodeExecutor.shutdown();
        Looper.myLooper().quit();
        break;
    }
  }
}

项目：FaceBarCodeDemo 文件：FaceQREffect.java

private Bitmap binarization(Bitmap bitmap, int lowColor, int highColor) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int pixels[] = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    LuminanceSource source = new RGBLuminanceSource(width, height, pixels);
    Binarizer binarizer = new HybridBinarizer(source);

    Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    try {
        BitMatrix matrix = binarizer.getBlackMatrix();
        for (int i = 0; i < height; i++) {
            for (int j = 0; j < width; j++) {
                if (matrix.get(j, i)) {
                    result.setPixel(j, i, highColor);
                } else {
                    result.setPixel(j, i, lowColor);
                }
            }
        }
    } catch (NotFoundException e) {
        e.printStackTrace();
    }

    return result;
}

项目：FaceBarCodeDemo 文件：GradientQREffect.java

/**
     * 二值化
     *
     * @param bitmap
     * @return
     */
    private Bitmap binarization(Bitmap bitmap, int lowColor, int highStartColor, int highEndColor) {
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        int pixels[] = new int[width * height];
        bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
        LuminanceSource source = new RGBLuminanceSource(width, height, pixels);
        Binarizer binarizer = new HybridBinarizer(source);

        Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

        try {
            BitMatrix matrix = binarizer.getBlackMatrix();
            int highColor;
            for (int i = 0; i < height; i++) {
//                highColor = getGradientColor(highStartColor, highEndColor, i / (float) height);
                highColor = getGradientColorByCurve(highStartColor, highEndColor, 0, height, i);
                for (int j = 0; j < width; j++) {
                    if (matrix.get(j, i)) {
                        result.setPixel(j, i, highColor);
                    } else {
                        result.setPixel(j, i, lowColor);
                    }
                }
            }
        } catch (NotFoundException e) {
            e.printStackTrace();
        }

        return result;
    }

项目：brigen-base 文件：ZxingDecoderImpl.java

@Override
public String decode(int[] pixels, int width, int height) throws IOException {
    LuminanceSource source = new RGBLuminanceSource(width, height, pixels);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    Result result;
    try {
        result = new MultiFormatReader().decode(bitmap, hints);
    } catch (NotFoundException e) {
        throw new IOException(e);
    }
    return result.getText();
}

项目：Coding-Android 文件：QRScanActivity.java

@Override
protected Result doInBackground(Uri... params) {
    if (params == null || params.length != 1) {
        return null;
    }

    try {
        InputStream inputStream = QRScanActivity.this.getContentResolver().openInputStream(params[0]);
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        Rect padding = new Rect(0, 0, 0, 0);
        BitmapFactory.decodeStream(inputStream, null, options);
        inputStream.close();
        int minLength = Math.min(options.outWidth, options.outHeight);
        int MAX = 512; // 图片短边不超过 512
        if (minLength > MAX) {
            options.inSampleSize = minLength / MAX;
        }
        options.inJustDecodeBounds = false;
        // 流打开后只能用一次, 需要重新获取
        inputStream = QRScanActivity.this.getContentResolver().openInputStream(params[0]);
        // 对图片裁剪后再扫码, 否则花的时间太长
        Bitmap bitmap = BitmapFactory.decodeStream(inputStream, null, options);
        if (bitmap == null) {
            return null;
        }

        int width = bitmap.getWidth(), height = bitmap.getHeight();
        int[] pixels = new int[width * height];
        bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
        bitmap.recycle();

        RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
        BinaryBitmap bBitmap = new BinaryBitmap(new HybridBinarizer(source));
        QRCodeReader reader = new QRCodeReader();
        Result result = reader.decode(bBitmap);
        return result;
    } catch (Exception e) {
        Log.e(TAG, "can not open file", e);
        return null;
    }
}

项目：RxQrCode 文件：RxQrCode.java

public static Observable<Result> scanFromPicture(String path) {
    return Observable.fromCallable(() -> {
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeFile(path, options);

        options.inSampleSize = calculateInSampleSize(options, QR_CODE_IN_SAMPLE_LENGTH,
                QR_CODE_IN_SAMPLE_LENGTH);

        options.inJustDecodeBounds = false;
        int[] pixels = null;

        QRCodeReader reader = new QRCodeReader();
        int retryTimes = 0;
        Result result = null;
        while (result == null && retryTimes < MAX_RETRY_TIMES) {
            Bitmap picture = BitmapFactory.decodeFile(path, options);
            int width = picture.getWidth();
            int height = picture.getHeight();
            if (pixels == null) {
                pixels = new int[picture.getWidth() * picture.getHeight()];
            }
            picture.getPixels(pixels, 0, width, 0, 0, width, height);
            picture.recycle();
            LuminanceSource source = new RGBLuminanceSource(width, height, pixels);
            BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
            try {
                result = reader.decode(bitmap, TRY_HARDER);
            } catch (NotFoundException | ChecksumException | FormatException ignored) {
                retryTimes++;
                options.inSampleSize *= 2;
            }
        }
        reader.reset();

        return result;
    }).flatMap(result -> {
        if (result == null) {
            return Observable.error(NotFoundException.getNotFoundInstance());
        }
        return Observable.just(result);
    });
}

项目：react-native-qrcode-local-image 文件：RCTQRCodeLocalImage.java

@ReactMethod
public void decode(String path, Callback callback) {
    Hashtable<DecodeHintType, String> hints = new Hashtable<DecodeHintType, String>();
    hints.put(DecodeHintType.CHARACTER_SET, "utf-8"); // 设置二维码内容的编码
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true; // 先获取原大小
    options.inJustDecodeBounds = false; // 获取新的大小

    int sampleSize = (int) (options.outHeight / (float) 200);

    if (sampleSize <= 0)
        sampleSize = 1;
    options.inSampleSize = sampleSize;
    Bitmap scanBitmap = null;
    if (path.startsWith("http://")||path.startsWith("https://")) {
        scanBitmap = this.getbitmap(path);
    } else {
        scanBitmap = BitmapFactory.decodeFile(path, options);
    }
    if (scanBitmap == null) {
        callback.invoke("cannot load image");
        return;
    }
    int[] intArray = new int[scanBitmap.getWidth()*scanBitmap.getHeight()];
    scanBitmap.getPixels(intArray, 0, scanBitmap.getWidth(), 0, 0, scanBitmap.getWidth(), scanBitmap.getHeight());

    RGBLuminanceSource source = new RGBLuminanceSource(scanBitmap.getWidth(), scanBitmap.getHeight(), intArray);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    try {
        Result result = reader.decode(bitmap, hints);
        if (result == null) {
            callback.invoke("image format error");
        } else {
            callback.invoke(null, result.toString());
        }

    } catch (Exception e) {
        callback.invoke("decode error");
    }
}

项目：sgm-plugin-barcode 文件：Base64Decoder.java

private static BinaryBitmap createBinaryBitmap(InputStream inputStream) {
  RGBLuminanceSource luminanceSource = createLuminanceSource(inputStream);
  HybridBinarizer hybridBinarizer = new HybridBinarizer(luminanceSource);

  return new BinaryBitmap(hybridBinarizer);
}

项目：Nimingban 文件：QRCodeScanActivity.java

@SuppressLint("StaticFieldLeak")
private void scanImage(final Uri uri) {
  if (progressDialog != null) return;
  progressDialog = new ProgressDialogBuilder(this)
      .setTitle(R.string.please_wait)
      .setMessage(R.string.qr_scan_processing)
      .setCancelable(false)
      .show();

  new AsyncTask<Void, Void, String>() {
    @Override
    protected String doInBackground(Void... voids) {
      UniFile file = UniFile.fromUri(QRCodeScanActivity.this, uri);
      if (file == null) return null;

      // ZXing can't process large image
      Bitmap bitmap = BitmapUtils.decodeStream(new UniFileInputStreamPipe(file), 1024, 1024);
      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);
      bitmap.recycle();

      RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
      final HybridBinarizer hybBin = new HybridBinarizer(source);
      final BinaryBitmap bBitmap = new BinaryBitmap(hybBin);

      QRCodeReader reader = new QRCodeReader();
      Map<DecodeHintType, Boolean> hints = new HashMap<>();
      hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);

      try {
        return reader.decode(bBitmap, hints).getText();
      } catch (NotFoundException | FormatException | ChecksumException e) {
        // Try PURE_BARCODE
        hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
        reader.reset();
        try {
          return reader.decode(bBitmap, hints).getText();
        } catch (NotFoundException | FormatException | ChecksumException ee) {
          return null;
        }
      }
    }

    @Override
    protected void onPostExecute(String text) {
      if (progressDialog != null) {
        progressDialog.dismiss();
        progressDialog = null;
      }

      if (text != null) {
        processCookieText(text);
      } else {
        Toast.makeText(QRCodeScanActivity.this, R.string.qr_scan_invalid, Toast.LENGTH_SHORT).show();
      }
    }
  }.execute();
}

项目：FastBarcodeScanner 文件：LuminanceSourceFactory.java

public static LuminanceSource getLuminanceSource(int imageFormat, byte[] data, int width, int height)
{
    switch (imageFormat) {
        case ImageFormat.UNKNOWN:
            return null;
        case ImageFormat.NV21:
            // Source: http://www.programcreek.com/java-api-examples/index.php?source_dir=Roid-Library-master/src/com/rincliu/library/common/persistence/zxing/camera/CameraManager.java
            // This is the standard Android format which all devices are REQUIRED
            // to support. In theory, it's the only one we should ever care about.
        case ImageFormat.NV16:
            // Source: http://www.programcreek.com/java-api-examples/index.php?source_dir=Roid-Library-master/src/com/rincliu/library/common/persistence/zxing/camera/CameraManager.java
            // This format has never been seen in the wild, but is compatible as we only care
            // about the Y channel, so allow it.
        case ImageFormat.YV12:
            // source: https://github.com/evopark/tiqr-android/blob/master/src/main/java/de/evopark/tiqr/android/processing/ZxingQrScanner.java
        case ImageFormat.YUY2:
            // source: https://github.com/evopark/tiqr-android/blob/master/src/main/java/de/evopark/tiqr/android/processing/ZxingQrScanner.java
        case ImageFormat.YUV_420_888:
            // 420_888 is verified in practice - the other two
        case ImageFormat.YUV_422_888:
            // only varies from yuv_420_888 in chroma-subsampling, which I'm guessing
            // doesn't affect the luminance much
            // (see https://en.wikipedia.org/wiki/Chroma_subsampling)
        case ImageFormat.YUV_444_888:
            // only varies from yuv_420_888 in chroma-subsampling, which I'm guessing
            // doesn't affect the luminance much
            // (see https://en.wikipedia.org/wiki/Chroma_subsampling)
            return new PlanarYUVLuminanceSource(data, width, height, 0, 0, width, height, false);
        case ImageFormat.FLEX_RGB_888:
        case ImageFormat.FLEX_RGBA_8888:
            return new RGBLuminanceSource(width, height, uncompress(data, width, height));// PlanarYUVLuminanceSource(bytes, width, height, 0, 0, width, height, false);
        case ImageFormat.JPEG:
            // Tried and tested myself
            return new RGBLuminanceSource(width, height, uncompress(data, width, height));// PlanarYUVLuminanceSource(bytes, width, height, 0, 0, width, height, false);
        case ImageFormat.RGB_565:
            return new RGB565LuminanceSource(width, height, uncompress(data, width, height));// PlanarYUVLuminanceSource(bytes, width, height, 0, 0, width, height, false);
        case ImageFormat.RAW_SENSOR:
        case ImageFormat.RAW10:
        case ImageFormat.RAW12:
        case ImageFormat.DEPTH16:
        case ImageFormat.DEPTH_POINT_CLOUD:
            //ImageFormat.Y8:
            //ImageFormat.Y16:
            return null;
        default:
            return null;
    }
}

项目：Advanced-QR-Code-reader 文件：MainActivity.java

public void zxing() throws ChecksumException, FormatException{

    Bitmap bMap2 = Bitmap.createBitmap(qr_code2.width(),qr_code2.height(), Bitmap.Config.ARGB_8888);
    Utils.matToBitmap(qr_code2, bMap2);
    int[] intArray2 = new int[bMap2.getWidth()*bMap2.getHeight()];  
    bMap2.getPixels(intArray2, 0, bMap2.getWidth(), 0, 0, bMap2.getWidth(), bMap2.getHeight());  
    LuminanceSource source2 = new RGBLuminanceSource(bMap2.getWidth(), bMap2.getHeight(),intArray2);

    BinaryBitmap bitmap2 = new BinaryBitmap(new HybridBinarizer(source2));

    Reader reader2 = new QRCodeReader();  

    try {

           final Result result2 = reader2.decode(bitmap2);   
           Log.d(TAG,"Found something 2: "+result2.getText());

            runOnUiThread(new Runnable() {

               public void run() {

                 m_QRcodeString2 = (""+result2.getText());
                 qr_message2.setText(m_QRcodeString2);

                 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
                 ClipData clip = ClipData.newPlainText("QR code content", qr_message2.getText());
                 clipboard.setPrimaryClip(clip);
                final Toast message = Toast.makeText(getApplicationContext(), "QR code content was copied to Clipboard", Toast. LENGTH_SHORT);

                message.show();

                Handler handler2 = new Handler();
                handler2.postDelayed(new Runnable() {
                   @Override
                   public void run() {
                       message.cancel(); 
                   }
            }, 2000);
               }
            }); 

           }

 catch (NotFoundException e) {
         Log.d(TAG, "Code Not Found!");
         e.printStackTrace();
 }


}

项目：lqrt 文件：LQRTTest.java

private static BinaryBitmap imageToBitmap(BufferedImage image) {
    return new BinaryBitmap(new HybridBinarizer(new RGBLuminanceSource(image.getWidth(), image.getHeight(), imageToRGB(image))));
}