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

Example 76 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project wechat by motianhuo.

the class DecodeHandler method decode.

/**
 * 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.
 * @param width
 *            The width of the preview frame.
 * @param height
 *            The height of the preview frame.
 */
private void decode(byte[] data, int width, int height) {
    long start = System.currentTimeMillis();
    Result rawResult = null;
    // modify here
    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];
    }
    // Here we are swapping, that's the difference to #11
    int tmp = width;
    width = height;
    height = tmp;
    PlanarYUVLuminanceSource source = CameraManager.get().buildLuminanceSource(rotatedData, width, height);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    try {
        rawResult = multiFormatReader.decodeWithState(bitmap);
    } catch (ReaderException re) {
    // continue
    } finally {
        multiFormatReader.reset();
    }
    if (rawResult != null) {
        long end = System.currentTimeMillis();
        Log.d(TAG, "Found barcode (" + (end - start) + " ms):\n" + rawResult.toString());
        Message message = Message.obtain(activity.getHandler(), R.id.decode_succeeded, rawResult);
        Bundle bundle = new Bundle();
        bundle.putParcelable(DecodeThread.BARCODE_BITMAP, source.renderCroppedGreyscaleBitmap());
        message.setData(bundle);
        // Log.d(TAG, "Sending decode succeeded message...");
        message.sendToTarget();
    } else {
        Message message = Message.obtain(activity.getHandler(), R.id.decode_failed);
        message.sendToTarget();
    }
}

Example 77 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project BarcodeEye by BarcodeEye.

the class DecodeHandler method decode.

/**
 * 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.
 * @param width  The width of the preview frame.
 * @param height The height of the preview frame.
 */
private void decode(byte[] data, int width, int height) {
    long start = System.currentTimeMillis();
    Result rawResult = null;
    PlanarYUVLuminanceSource source = activity.getCameraManager().buildLuminanceSource(data, width, height);
    if (source != null) {
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        try {
            rawResult = multiFormatReader.decodeWithState(bitmap);
        } catch (ReaderException re) {
        // continue
        } finally {
            multiFormatReader.reset();
        }
    }
    Handler handler = activity.getHandler();
    if (rawResult != null) {
        // Don't log the barcode contents for security.
        long end = System.currentTimeMillis();
        Log.d(TAG, "Found barcode in " + (end - start) + " ms");
        if (handler != null) {
            Message message = Message.obtain(handler, R.id.decode_succeeded, rawResult);
            Bundle bundle = new Bundle();
            bundleThumbnail(source, bundle);
            message.setData(bundle);
            message.sendToTarget();
        }
    } else {
        if (handler != null) {
            Message message = Message.obtain(handler, R.id.decode_failed);
            message.sendToTarget();
        }
    }
}

Example 78 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project zxingfragmentlib by mitoyarzun.

the class DecodeHandler method decode.

/**
 * 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.
 * @param width  The width of the preview frame.
 * @param height The height of the preview frame.
 */
private void decode(byte[] data, int width, int height) {
    long start = System.currentTimeMillis();
    Result rawResult = null;
    PlanarYUVLuminanceSource source = fragment.getCameraManager().buildLuminanceSource(data, width, height);
    if (source != null) {
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        try {
            rawResult = multiFormatReader.decodeWithState(bitmap);
        } catch (ReaderException re) {
        // continue
        } finally {
            multiFormatReader.reset();
        }
    }
    Handler handler = fragment.getHandler();
    if (rawResult != null) {
        // Don't log the barcode contents for security.
        long end = System.currentTimeMillis();
        Log.d(TAG, "Found barcode in " + (end - start) + " ms");
        if (handler != null) {
            Message message = Message.obtain(handler, IConstants.DECODE_SUCCEDED, rawResult);
            Bundle bundle = new Bundle();
            bundleThumbnail(source, bundle);
            message.setData(bundle);
            message.sendToTarget();
        }
    } else {
        if (handler != null) {
            Message message = Message.obtain(handler, IConstants.DECODE_FAILED);
            message.sendToTarget();
        }
    }
}

Example 79 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project JustAndroid by chinaltz.

the class CodeUtils method analyzeBitmap.

/**
 * 解析二维码图片工具类
 *
 * @param analyzeCallback
 */
public static void analyzeBitmap(String path, AnalyzeCallback analyzeCallback) {
    /**
     * 首先判断图片的大小,若图片过大,则执行图片的裁剪操作,防止OOM
     */
    BitmapFactory.Options options = new BitmapFactory.Options();
    // 先获取原大小
    options.inJustDecodeBounds = true;
    Bitmap mBitmap = BitmapFactory.decodeFile(path, options);
    // 获取新的大小
    options.inJustDecodeBounds = false;
    int sampleSize = (int) (options.outHeight / (float) 400);
    if (sampleSize <= 0)
        sampleSize = 1;
    options.inSampleSize = sampleSize;
    mBitmap = BitmapFactory.decodeFile(path, options);
    MultiFormatReader multiFormatReader = new MultiFormatReader();
    // 解码的参数
    Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(2);
    // 可以解析的编码类型
    Vector<BarcodeFormat> decodeFormats = new Vector<BarcodeFormat>();
    if (decodeFormats == null || decodeFormats.isEmpty()) {
        decodeFormats = new Vector<BarcodeFormat>();
        // 这里设置可扫描的类型，我这里选择了都支持
        decodeFormats.addAll(DecodeFormatManager.ONE_D_FORMATS);
        decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS);
        decodeFormats.addAll(DecodeFormatManager.DATA_MATRIX_FORMATS);
    }
    hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
    // 设置继续的字符编码格式为UTF8
    // hints.put(DecodeHintType.CHARACTER_SET, "UTF8");
    // 设置解析配置参数
    multiFormatReader.setHints(hints);
    // 开始对图像资源解码
    Result rawResult = null;
    try {
        rawResult = multiFormatReader.decodeWithState(new BinaryBitmap(new HybridBinarizer(new BitmapLuminanceSource(mBitmap))));
    } catch (Exception e) {
        e.printStackTrace();
    }
    if (rawResult != null) {
        if (analyzeCallback != null) {
            analyzeCallback.onAnalyzeSuccess(mBitmap, rawResult.getText());
        }
    } else {
        if (analyzeCallback != null) {
            analyzeCallback.onAnalyzeFailed();
        }
    }
}

Example 80 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project react-native-camera by lwansbrough.

the class BarCodeScannerAsyncTask method doInBackground.

@Override
protected Result doInBackground(Void... ignored) {
    if (isCancelled() || mDelegate == null) {
        return null;
    }
    /**
     * mCameraViewWidth and mCameraViewHeight are obtained from portait orientation
     * mWidth and mHeight are measured with landscape orientation with Home button to the right
     * adjustedCamViewWidth is the adjusted width from the Aspect ratio setting
     */
    int adjustedCamViewWidth = (int) (mCameraViewHeight / mRatio);
    float adjustedScanY = (((adjustedCamViewWidth - mCameraViewWidth) / 2) + (mScanAreaY * mCameraViewWidth)) / adjustedCamViewWidth;
    int left = (int) (mScanAreaX * mWidth);
    int top = (int) (adjustedScanY * mHeight);
    int scanWidth = (int) (mScanAreaWidth * mWidth);
    int scanHeight = (int) (((mScanAreaHeight * mCameraViewWidth) / adjustedCamViewWidth) * mHeight);
    try {
        try {
            BinaryBitmap bitmap = generateBitmapFromImageData(mImageData, mWidth, mHeight, false, left, top, scanWidth, scanHeight);
            return mMultiFormatReader.decodeWithState(bitmap);
        } catch (NotFoundException e) {
        }
        try {
            BinaryBitmap bitmap = generateBitmapFromImageData(rotateImage(mImageData, mWidth, mHeight), mHeight, mWidth, false, mHeight - scanHeight - top, left, scanHeight, scanWidth);
            return mMultiFormatReader.decodeWithState(bitmap);
        } catch (NotFoundException e) {
        }
        try {
            BinaryBitmap invertedBitmap = generateBitmapFromImageData(mImageData, mWidth, mHeight, true, mWidth - scanWidth - left, mHeight - scanHeight - top, scanWidth, scanHeight);
            return mMultiFormatReader.decodeWithState(invertedBitmap);
        } catch (NotFoundException e) {
        }
        try {
            BinaryBitmap invertedRotatedBitmap = generateBitmapFromImageData(rotateImage(mImageData, mWidth, mHeight), mHeight, mWidth, true, top, mWidth - scanWidth - left, scanHeight, scanWidth);
            return mMultiFormatReader.decodeWithState(invertedRotatedBitmap);
        } catch (NotFoundException e) {
        }
    } catch (Throwable t) {
        t.printStackTrace();
    }
    // no barcode found
    return null;
}