Code39Reader.h Example File

 // -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
 #ifndef __CODE_39_READER_H__
 #define __CODE_39_READER_H__
 /*
  *  Code39Reader.h
  *  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 <zxing/oned/OneDReader.h>
 #include <zxing/common/BitArray.h>
 #include <zxing/Result.h>

 namespace zxing {
 namespace oned {

 /**
  * <p>Decodes Code 39 barcodes. This does not support "Full ASCII Code 39" yet.</p>
  * Ported form Java (author Sean Owen)
  * @author Lukasz Warchol
  */
 class Code39Reader : public OneDReader {
 private:
   bool usingCheckDigit;
   bool extendedMode;
   std::string decodeRowResult;
   std::vector<int> counters;

   void init(bool usingCheckDigit = false, bool extendedMode = false);

   static std::vector<int> findAsteriskPattern(Ref<BitArray> row,
                                               std::vector<int>& counters);
   static int toNarrowWidePattern(std::vector<int>& counters);
   static char patternToChar(int pattern);
   static Ref<String> decodeExtended(std::string encoded);

   void append(char* s, char c);

 public:
   Code39Reader();
   Code39Reader(bool usingCheckDigit_);
   Code39Reader(bool usingCheckDigit_, bool extendedMode_);

   Ref<Result> decodeRow(int rowNumber, Ref<BitArray> row, DecodeHints hints);
 };

 }
 }

 #endif