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

Example 21 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project protools by SeanDragon.

the class MatrixToImageWriterEx method decode.

/**
 * 解码
 *
 * @param filePath
 *
 * @return
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public static String decode(String filePath) throws IOException, NotFoundException {
    BufferedImage image;
    image = ImageIO.read(new File(filePath));
    if (image == null) {
        return "Could not decode image";
    }
    LuminanceSource source = new BufferedImageLuminanceSource(image);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    Result result;
    Hashtable hints = new Hashtable();
    hints.put(EncodeHintType.CHARACTER_SET, StrConst.DEFAULT_CHARSET_NAME);
    result = new MultiFormatReader().decode(bitmap, hints);
    return result.getText();
}

Example 22 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project SmartMesh_Android by SmartMeshFoundation.

the class ScanLargePic method scanningImage.

public Result scanningImage(String path) {
    if (TextUtils.isEmpty(path)) {
        return null;
    }
    File file = new File(path);
    if (!file.exists()) {
        return null;
    }
    Hashtable<DecodeHintType, Object> hints = new Hashtable<>();
    hints.put(DecodeHintType.CHARACTER_SET, "UTF8");
    hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
    hints.put(DecodeHintType.POSSIBLE_FORMATS, BarcodeFormat.QR_CODE);
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    Bitmap scanBitmap = BitmapFactory.decodeFile(path, options);
    options.inJustDecodeBounds = false;
    int sampleSize = (int) (options.outHeight / (float) 512);
    if (sampleSize <= 0)
        sampleSize = 1;
    options.inSampleSize = sampleSize;
    scanBitmap = BitmapFactory.decodeFile(path, options);
    int width = scanBitmap.getWidth();
    int height = scanBitmap.getHeight();
    int[] pixels = new int[width * height];
    scanBitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    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 (NotFoundException e) {
        e.printStackTrace();
    } catch (ChecksumException e) {
        e.printStackTrace();
    } catch (FormatException e) {
        e.printStackTrace();
    }
    return null;
}

Example 23 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project BlogSource by TeachCourse.

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;
    /**
     * 竖屏显示开始 *
     */
    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;
    data = rotatedData;
    /**
     * 竖屏显示结束 *
     */
    PlanarYUVLuminanceSource source = activity.getCameraManager().buildLuminanceSource(data, 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(), MessageIDs.decode_succeeded, rawResult);
        Bundle bundle = new Bundle();
        bundle.putParcelable(DecodeThread.BARCODE_BITMAP, source.renderCroppedGreyscaleBitmap());
        message.setData(bundle);
        // LogUtil.d(TAG, "Sending decode succeeded message...");
        message.sendToTarget();
    } else {
        Message message = Message.obtain(activity.getHandler(), MessageIDs.decode_failed);
        message.sendToTarget();
    }
}

Example 24 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project tephra by heisedebaise.

the class QrCodeImpl method read.

@Override
public String read(InputStream inputStream) {
    try {
        String string = reader.decode(new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(ImageIO.read(inputStream))))).getText();
        inputStream.close();
        return string;
    } catch (Throwable e) {
        logger.warn(e, "读取二维码图片内容时发生异常！");
        return null;
    }
}

Example 25 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project MyBaseApplication by BanShouWeng.

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;
    /**
     * 竖屏显示开始
     */
    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;
    data = rotatedData;
    /**
     * 竖屏显示结束 *
     */
    PlanarYUVLuminanceSource source = activity.getCameraManager().buildLuminanceSource(data, 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(), MessageIDs.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(), MessageIDs.decode_failed);
        message.sendToTarget();
    }
}