- /**
- * 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 = CameraManager.get().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.v(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(BARCODE_BITMAP, source.renderCroppedGreyscaleBitmap());
- message.setData(bundle);
- message.sendToTarget();
- } else {
- Message message = Message.obtain(activity.getHandler(), R.id.decode_failed);
- message.sendToTarget();
- }
- }
-