mirror of https://github.com/status-im/qzxing.git
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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#ifndef __GLOBALHISTOGRAMBINARIZER_H__
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#define __GLOBALHISTOGRAMBINARIZER_H__
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/*
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* GlobalHistogramBinarizer.h
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* zxing
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*
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* Copyright 2010 ZXing authors All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <vector>
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#include <zxing/Binarizer.h>
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#include <zxing/common/BitArray.h>
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#include <zxing/common/BitMatrix.h>
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namespace zxing {
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class GlobalHistogramBinarizer : public Binarizer {
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private:
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Ref<BitMatrix> cached_matrix_;
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Ref<BitArray> cached_row_;
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int cached_row_num_;
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public:
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GlobalHistogramBinarizer(Ref<LuminanceSource> source);
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virtual ~GlobalHistogramBinarizer();
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virtual Ref<BitArray> getBlackRow(int y, Ref<BitArray> row);
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virtual Ref<BitMatrix> getBlackMatrix();
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static int estimate(std::vector<int> &histogram);
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Ref<Binarizer> createBinarizer(Ref<LuminanceSource> source);
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};
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}
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#endif /* GLOBALHISTOGRAMBINARIZER_H_ */
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