/* * Copyright (C) 2008 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.Handler; import android.os.Looper; import com.fanxin.huangfangyi.main.widget.zxing.activity.CaptureActivity; import com.google.zxing.BarcodeFormat; import com.google.zxing.DecodeHintType; import com.google.zxing.ResultPointCallback; import java.util.Hashtable; import java.util.Vector; import java.util.concurrent.CountDownLatch; /** * This thread does all the heavy lifting of decoding the images. */ final class DecodeThread extends Thread { public static final String BARCODE_BITMAP = "barcode_bitmap"; private final CaptureActivity activity; private final Hashtable<DecodeHintType, Object> hints; private Handler handler; private final CountDownLatch handlerInitLatch; DecodeThread(CaptureActivity activity, Vector<BarcodeFormat> decodeFormats, String characterSet, ResultPointCallback resultPointCallback) { this.activity = activity; handlerInitLatch = new CountDownLatch(1); hints = new Hashtable<DecodeHintType, Object>(3); if (decodeFormats == null || decodeFormats.isEmpty()) { decodeFormats = new Vector<BarcodeFormat>(); decodeFormats.addAll(DecodeFormatManager.ONE_D_FORMATS); decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS); decodeFormats.addAll(DecodeFormatManager.DATA_MATRIX_FORMATS); } hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats); if (characterSet != null) { hints.put(DecodeHintType.CHARACTER_SET, characterSet); } hints.put(DecodeHintType.NEED_RESULT_POINT_CALLBACK, resultPointCallback); } Handler getHandler() { try { handlerInitLatch.await(); } catch (InterruptedException ie) { // continue? } return handler; } @Override public void run() { Looper.prepare(); handler = new DecodeHandler(activity, hints); handlerInitLatch.countDown(); Looper.loop(); } }