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UPCAReader.cpp Example File

appdemos/qtws/QZXing/zxing/zxing/oned/UPCAReader.cpp
 // -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
 /*
  *  UPCAReader.cpp
  *  ZXing
  *
  *  Copyright 2010 ZXing authors All rights reserved.
  *
  * 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.
  */

 #include "UPCAReader.h"
 #include <zxing/ReaderException.h>

 using zxing::oned::UPCAReader;
 using zxing::Ref;
 using zxing::Result;

 // VC++
 using zxing::BitArray;
 using zxing::BinaryBitmap;
 using zxing::DecodeHints;

 UPCAReader::UPCAReader() : ean13Reader() {}

 Ref<Result> UPCAReader::decodeRow(int rowNumber, Ref<BitArray> row, zxing::DecodeHints hints) {
   return maybeReturnResult(ean13Reader.decodeRow(rowNumber, row, hints));
 }

 Ref<Result> UPCAReader::decodeRow(int rowNumber,
                                   Ref<BitArray> row,
                                   Range const& startGuardRange) {
   return maybeReturnResult(ean13Reader.decodeRow(rowNumber, row, startGuardRange));
 }

 Ref<Result> UPCAReader::decode(Ref<BinaryBitmap> image, DecodeHints hints) {
   return maybeReturnResult(ean13Reader.decode(image, hints));
 }

 int UPCAReader::decodeMiddle(Ref<BitArray> row,
                              Range const& startRange,
                              std::string& resultString) {
   return ean13Reader.decodeMiddle(row, startRange, resultString);
 }

 Ref<Result> UPCAReader::maybeReturnResult(Ref<Result> result) {
   if (result.empty()) {
     return result;
   }
   const std::string& text = (result->getText())->getText();
   if (text[0] == '0') {
     Ref<String> resultString(new String(text.substr(1)));
     Ref<Result> res(new Result(resultString, result->getRawBytes(), result->getResultPoints(),
                                BarcodeFormat::UPC_A));
     return res;
   }
   return Ref<Result>();
 }

 zxing::BarcodeFormat UPCAReader::getBarcodeFormat(){
   return BarcodeFormat::UPC_A;
 }
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