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

Example 46 with Result

use of com.google.zxing.Result in project zxing by zxing.

the class BenchmarkAsyncTask method decode.

private static BenchmarkItem decode(MultiFormatReader reader, File file) {
    Bitmap imageBitmap = BitmapFactory.decodeFile(file.getAbsolutePath());
    if (imageBitmap == null) {
        Log.e(TAG, "Couldn't open " + file);
        return null;
    }
    int width = imageBitmap.getWidth();
    int height = imageBitmap.getHeight();
    int[] pixels = new int[width * height];
    imageBitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
    BenchmarkItem item = new BenchmarkItem(file, RUNS);
    for (int x = 0; x < RUNS; x++) {
        boolean success;
        Result result = null;
        // Using this call instead of getting the time should eliminate a lot of variability due to
        // scheduling and what else is happening in the system.
        long now = Debug.threadCpuTimeNanos();
        try {
            BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
            result = reader.decodeWithState(bitmap);
            success = true;
        } catch (ReaderException ignored) {
            success = false;
        }
        now = Debug.threadCpuTimeNanos() - now;
        if (x == 0) {
            item.setDecoded(success);
            item.setFormat(result != null ? result.getBarcodeFormat() : null);
        }
        item.addResult((int) (now / 1000));
    }
    return item;
}

Example 47 with Result

use of com.google.zxing.Result in project BGAQRCode-Android by bingoogolapple.

the class ZXingView method processData.

@Override
public String processData(byte[] data, int width, int height, boolean isRetry) {
    String result = null;
    Result rawResult = null;
    try {
        PlanarYUVLuminanceSource source = null;
        Rect rect = mScanBoxView.getScanBoxAreaRect(height);
        if (rect != null) {
            source = new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top, rect.width(), rect.height(), false);
        } else {
            source = new PlanarYUVLuminanceSource(data, width, height, 0, 0, width, height, false);
        }
        rawResult = mMultiFormatReader.decodeWithState(new BinaryBitmap(new HybridBinarizer(source)));
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        mMultiFormatReader.reset();
    }
    if (rawResult != null) {
        result = rawResult.getText();
    }
    return result;
}

Example 48 with Result

use of com.google.zxing.Result in project SimplifyReader by chentao0707.

the class DecodeUtils method decodeWithZxing.

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;
}

Example 49 with Result

use of com.google.zxing.Result in project barcodescanner by dm77.

the class ZXingScannerView method onPreviewFrame.

@Override
public void onPreviewFrame(byte[] data, Camera camera) {
    if (mResultHandler == null) {
        return;
    }
    try {
        Camera.Parameters parameters = camera.getParameters();
        Camera.Size size = parameters.getPreviewSize();
        int width = size.width;
        int height = size.height;
        if (DisplayUtils.getScreenOrientation(getContext()) == Configuration.ORIENTATION_PORTRAIT) {
            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;
            width = height;
            height = tmp;
            data = rotatedData;
        }
        Result rawResult = null;
        PlanarYUVLuminanceSource source = buildLuminanceSource(data, width, height);
        if (source != null) {
            BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
            try {
                rawResult = mMultiFormatReader.decodeWithState(bitmap);
            } catch (ReaderException re) {
            // continue
            } catch (NullPointerException npe) {
            // This is terrible
            } catch (ArrayIndexOutOfBoundsException aoe) {
            } finally {
                mMultiFormatReader.reset();
            }
        }
        final Result finalRawResult = rawResult;
        if (finalRawResult != null) {
            Handler handler = new Handler(Looper.getMainLooper());
            handler.post(new Runnable() {

                @Override
                public void run() {
                    // Stopping the preview can take a little long.
                    // So we want to set result handler to null to discard subsequent calls to
                    // onPreviewFrame.
                    ResultHandler tmpResultHandler = mResultHandler;
                    mResultHandler = null;
                    stopCameraPreview();
                    if (tmpResultHandler != null) {
                        tmpResultHandler.handleResult(finalRawResult);
                    }
                }
            });
        } else {
            camera.setOneShotPreviewCallback(this);
        }
    } catch (RuntimeException e) {
        // TODO: Terrible hack. It is possible that this method is invoked after camera is released.
        Log.e(TAG, e.toString(), e);
    }
}

Example 50 with Result

use of com.google.zxing.Result in project zxing-android-embedded by journeyapps.

the class DecoderThread method decode.

private void decode(SourceData sourceData) {
    long start = System.currentTimeMillis();
    Result rawResult = null;
    sourceData.setCropRect(cropRect);
    LuminanceSource source = createSource(sourceData);
    if (source != null) {
        rawResult = decoder.decode(source);
    }
    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 (resultHandler != null) {
            BarcodeResult barcodeResult = new BarcodeResult(rawResult, sourceData);
            Message message = Message.obtain(resultHandler, R.id.zxing_decode_succeeded, barcodeResult);
            Bundle bundle = new Bundle();
            message.setData(bundle);
            message.sendToTarget();
        }
    } else {
        if (resultHandler != null) {
            Message message = Message.obtain(resultHandler, R.id.zxing_decode_failed);
            message.sendToTarget();
        }
    }
    if (resultHandler != null) {
        List<ResultPoint> resultPoints = decoder.getPossibleResultPoints();
        Message message = Message.obtain(resultHandler, R.id.zxing_possible_result_points, resultPoints);
        message.sendToTarget();
    }
    requestNextPreview();
}