Binarizer.h

00001 #ifndef BINARIZER_H_
00002 #define BINARIZER_H_
00003 
00004 /*
00005  *  Binarizer.h
00006  *  zxing
00007  *
00008  *  Copyright 2010 ZXing authors All rights reserved.
00009  *
00010  * Licensed under the Apache License, Version 2.0 (the "License");
00011  * you may not use this file except in compliance with the License.
00012  * You may obtain a copy of the License at
00013  *
00014  *      http://www.apache.org/licenses/LICENSE-2.0
00015  *
00016  * Unless required by applicable law or agreed to in writing, software
00017  * distributed under the License is distributed on an "AS IS" BASIS,
00018  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00019  * See the License for the specific language governing permissions and
00020  * limitations under the License.
00021  */
00022 
00023 #include <zxing/LuminanceSource.h>
00024 #include <zxing/common/BitArray.h>
00025 #include <zxing/common/BitMatrix.h>
00026 #include <zxing/common/Counted.h>
00027 
00028 namespace zxing {
00029 
00030 class Binarizer : public Counted {
00031  private:
00032   Ref<LuminanceSource> source_;
00033 
00034  public:
00035   Binarizer(Ref<LuminanceSource> source);
00036   virtual ~Binarizer();
00037 
00038   virtual Ref<BitArray> getBlackRow(int y, Ref<BitArray> row) = 0;
00039   virtual Ref<BitMatrix> getBlackMatrix() = 0;
00040 
00041   Ref<LuminanceSource> getLuminanceSource() const ;
00042   virtual Ref<Binarizer> createBinarizer(Ref<LuminanceSource> source) = 0;
00043 
00044   int getWidth() const;
00045   int getHeight() const;
00046 
00047 };
00048 
00049 }
00050 #endif /* BINARIZER_H_ */