FormatInformation.h Example File

 #ifndef __FORMAT_INFORMATION_H__
 #define __FORMAT_INFORMATION_H__

 /*
  *  FormatInformation.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/qrcode/ErrorCorrectionLevel.h>
 #include <zxing/common/Counted.h>
 #include <iostream>

 namespace zxing {
 namespace qrcode {

 class FormatInformation : public Counted {
 private:
   static int FORMAT_INFO_MASK_QR;
   static int FORMAT_INFO_DECODE_LOOKUP[][2];
   static int N_FORMAT_INFO_DECODE_LOOKUPS;
   static int BITS_SET_IN_HALF_BYTE[];

   ErrorCorrectionLevel &errorCorrectionLevel_;
   char dataMask_;

   FormatInformation(int formatInfo);

 public:
   static int numBitsDiffering(int a, int b);
   static Ref<FormatInformation> decodeFormatInformation(int maskedFormatInfo1, int maskedFormatInfo2);
   static Ref<FormatInformation> doDecodeFormatInformation(int maskedFormatInfo1, int maskedFormatInfo2);
   ErrorCorrectionLevel &getErrorCorrectionLevel();
   char getDataMask();
   friend bool operator==(const FormatInformation &a, const FormatInformation &b);
   friend std::ostream& operator<<(std::ostream& out, const FormatInformation& fi);
 };
 }
 }

 #endif // __FORMAT_INFORMATION_H__