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55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
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#ifndef __MONOCHROME_BITMAP_SOURCE_H__
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#define __MONOCHROME_BITMAP_SOURCE_H__
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/*
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* MonochromeBitmapSource.h
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* zxing
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*
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* Created by Christian Brunschen on 12/05/2008.
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* Copyright 2008 Google UK. 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 "common/Counted.h"
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#include "common/Array.h"
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#include "common/BitArray.h"
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#include "BlackPointEstimationMethod.h"
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#include <valarray>
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using namespace common;
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class MonochromeBitmapSource : public Counted {
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protected:
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unsigned char blackPoint_;
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BlackPointEstimationMethod lastEstimationMethod_;
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int lastEstimationArgument_;
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public:
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MonochromeBitmapSource();
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virtual ~MonochromeBitmapSource() { }
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Ref<BitArray> getBlackRow(size_t y, Ref<BitArray> row, size_t startX,
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size_t getWidth);
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void estimateBlackPoint(BlackPointEstimationMethod method, int arg);
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BlackPointEstimationMethod getLastEstimationMethod();
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bool isBlack(size_t x, size_t y);
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virtual size_t getWidth() = 0;
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virtual size_t getHeight() = 0;
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virtual unsigned char getPixel(size_t x, size_t y) = 0;
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virtual Ref<MonochromeBitmapSource> rotateCounterClockwise() = 0;
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virtual bool isRotateSupported() = 0;
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};
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#endif // __MONOCHROME_BITMAP_SOURCE_H__
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