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99 lines
2.6 KiB
99 lines
2.6 KiB
/*
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* Copyright (C) 2008 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package zxing.decoding;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.EnumMap;
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import java.util.EnumSet;
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import java.util.Map;
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import java.util.concurrent.CountDownLatch;
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import zxing.CaptureActivity;
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import android.os.Handler;
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import android.os.Looper;
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import com.google.zxing.BarcodeFormat;
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import com.google.zxing.DecodeHintType;
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/**
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* This thread does all the heavy lifting of decoding the images.
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*
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* @author dswitkin@google.com (Daniel Switkin)
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*/
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public class DecodeThread extends Thread {
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public static final String BARCODE_BITMAP = "barcode_bitmap";
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public static final int BARCODE_MODE = 0X100;
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public static final int QRCODE_MODE = 0X200;
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public static final int ALL_MODE = 0X300;
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private final CaptureActivity activity;
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private final Map<DecodeHintType, Object> hints;
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private Handler handler;
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private final CountDownLatch handlerInitLatch;
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public DecodeThread(CaptureActivity activity, int decodeMode) {
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this.activity = activity;
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handlerInitLatch = new CountDownLatch(1);
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hints = new EnumMap<DecodeHintType, Object>(DecodeHintType.class);
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Collection<BarcodeFormat> decodeFormats = new ArrayList<BarcodeFormat>();
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decodeFormats.addAll(EnumSet.of(BarcodeFormat.AZTEC));
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decodeFormats.addAll(EnumSet.of(BarcodeFormat.PDF_417));
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switch (decodeMode) {
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case BARCODE_MODE:
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decodeFormats.addAll(DecodeFormatManager.getBarCodeFormats());
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break;
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case QRCODE_MODE:
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decodeFormats.addAll(DecodeFormatManager.getQrCodeFormats());
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break;
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case ALL_MODE:
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decodeFormats.addAll(DecodeFormatManager.getBarCodeFormats());
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decodeFormats.addAll(DecodeFormatManager.getQrCodeFormats());
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break;
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default:
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break;
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}
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hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
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}
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public Handler getHandler() {
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try {
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handlerInitLatch.await();
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} catch (InterruptedException ie) {
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// continue?
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}
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return handler;
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}
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@Override
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public void run() {
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Looper.prepare();
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handler = new DecodeHandler(activity, hints);
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handlerInitLatch.countDown();
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Looper.loop();
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}
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}
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