GlobalHistogramBinarizer.h Example File

 // -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
 #ifndef __GLOBALHISTOGRAMBINARIZER_H__
 #define __GLOBALHISTOGRAMBINARIZER_H__
 /*
  *  GlobalHistogramBinarizer.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/Binarizer.h>
 #include <zxing/common/BitArray.h>
 #include <zxing/common/BitMatrix.h>
 #include <zxing/common/Array.h>

 namespace zxing {

 class GlobalHistogramBinarizer : public Binarizer {
 private:
   ArrayRef<byte> luminances;
   ArrayRef<int> buckets;
 public:
   GlobalHistogramBinarizer(Ref<LuminanceSource> source);
   virtual ~GlobalHistogramBinarizer();

   virtual Ref<BitArray> getBlackRow(int y, Ref<BitArray> row);
   virtual Ref<BitMatrix> getBlackMatrix();
   static int estimateBlackPoint(ArrayRef<int> const& buckets);
   Ref<Binarizer> createBinarizer(Ref<LuminanceSource> source);
 private:
   void initArrays(int luminanceSize);
 };

 }

 #endif /* GLOBALHISTOGRAMBINARIZER_H_ */