- private void setDecodeProductMode() {
- Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(3);
- Vector<BarcodeFormat> vector = new Vector<BarcodeFormat>(4);
- vector.addElement(BarcodeFormat.UPC_A);
- vector.addElement(BarcodeFormat.UPC_E);
- vector.addElement(BarcodeFormat.EAN_13);
- vector.addElement(BarcodeFormat.EAN_8);
- hints.put(DecodeHintType.POSSIBLE_FORMATS, vector);
- multiFormatReader.setHints(hints);
- }
-
- /**
- * Select the 1D formats we want this client to decode by hand.
- */
- private void setDecode1DMode() {
- Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(3);
- Vector<BarcodeFormat> vector = new Vector<BarcodeFormat>(7);
- vector.addElement(BarcodeFormat.UPC_A);
- vector.addElement(BarcodeFormat.UPC_E);
- vector.addElement(BarcodeFormat.EAN_13);
- vector.addElement(BarcodeFormat.EAN_8);
- vector.addElement(BarcodeFormat.CODE_39);
- vector.addElement(BarcodeFormat.CODE_128);
- vector.addElement(BarcodeFormat.ITF);
- hints.put(DecodeHintType.POSSIBLE_FORMATS, vector);
- multiFormatReader.setHints(hints);
- }
-
- private void setDecodeQRMode() {
- Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(3);
- Vector<BarcodeFormat> vector = new Vector<BarcodeFormat>(1);
- vector.addElement(BarcodeFormat.QR_CODE);
- hints.put(DecodeHintType.POSSIBLE_FORMATS, vector);
- multiFormatReader.setHints(hints);
- }
-
- /**
- * Instead of calling setHints(null), which would allow new formats to sneak in, we
- * explicitly set which formats are available.
- */
- private void setDecodeAllMode() {
- Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(3);
- Vector<BarcodeFormat> vector = new Vector<BarcodeFormat>(8);
- vector.addElement(BarcodeFormat.UPC_A);
- vector.addElement(BarcodeFormat.UPC_E);
- vector.addElement(BarcodeFormat.EAN_13);
- vector.addElement(BarcodeFormat.EAN_8);
- vector.addElement(BarcodeFormat.CODE_39);
- vector.addElement(BarcodeFormat.CODE_128);
- vector.addElement(BarcodeFormat.ITF);
- vector.addElement(BarcodeFormat.QR_CODE);
- hints.put(DecodeHintType.POSSIBLE_FORMATS, vector);
- multiFormatReader.setHints(hints);
- }
-
- /**
- * 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 GlobalHistogramBinarizer(source));
- try {
- rawResult = multiFormatReader.decodeWithState(bitmap);
- } catch (ReaderException re) {
- // continue
- }
-
- 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();
- }
- }