/* * Copyright (C) 2010 ZXing authors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.fanxin.huangfangyi.main.widget.zxing.decoding; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.util.Log; import com.fanxin.huangfangyi.main.widget.zxing.activity.CaptureActivity; import com.fanxin.huangfangyi.main.widget.zxing.camera.CameraManager; import com.fanxin.huangfangyi.main.widget.zxing.camera.PlanarYUVLuminanceSource; import com.google.zxing.BinaryBitmap; import com.google.zxing.DecodeHintType; import com.google.zxing.MultiFormatReader; import com.google.zxing.ReaderException; import com.google.zxing.Result; import com.google.zxing.common.HybridBinarizer; import java.util.Hashtable; final class DecodeHandler extends Handler { private static final String TAG = DecodeHandler.class.getSimpleName(); private final CaptureActivity activity; private final MultiFormatReader multiFormatReader; DecodeHandler(CaptureActivity activity, Hashtable<DecodeHintType, Object> hints) { multiFormatReader = new MultiFormatReader(); multiFormatReader.setHints(hints); this.activity = activity; } @Override public void handleMessage(Message message) { switch (message.what) { } } /** * 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]; } int tmp = width; // Here we are swapping, that's the difference to #11 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 =null; 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(),null); message.sendToTarget(); } } }