Code93Reader.h Example File

 // -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
 #ifndef __CODE_93_READER_H__
 #define __CODE_93_READER_H__
 /*
  *  Code93Reader.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 93 barcodes. This does not support "Full ASCII Code 93" yet.</p>
  * Ported form Java (author Sean Owen)
  * @author Lukasz Warchol
  */
 class Code93Reader : public OneDReader {
 public:
   Code93Reader();
   Ref<Result> decodeRow(int rowNumber, Ref<BitArray> row, DecodeHints hints);

 private:
   std::string decodeRowResult;
   std::vector<int> counters;

   Range findAsteriskPattern(Ref<BitArray> row);

   static int toPattern(std::vector<int>& counters);
   static char patternToChar(int pattern);
   static Ref<String> decodeExtended(std::string const& encoded);
   static void checkChecksums(std::string const& result);
   static void checkOneChecksum(std::string const& result,
                                int checkPosition,
                                int weightMax);
 };

 }
 }

 #endif