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60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
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#ifndef __LUMINANCESOURCE_H__
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#define __LUMINANCESOURCE_H__
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/*
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* LuminanceSource.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 <zxing/common/Counted.h>
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#include <zxing/common/Array.h>
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#include <string.h>
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namespace zxing {
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class LuminanceSource : public Counted {
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protected:
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int width;
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int height;
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public:
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LuminanceSource(int width, int height);
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virtual ~LuminanceSource();
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int getWidth() const { return width; }
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int getHeight() const { return height; }
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// Callers take ownership of the returned memory and must call delete [] on it themselves.
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virtual ArrayRef<char> getRow(int y, ArrayRef<char> row) const = 0;
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virtual ArrayRef<char> getMatrix() const = 0;
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virtual bool isCropSupported() const;
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virtual Ref<LuminanceSource> crop(int left, int top, int width, int height) const;
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virtual bool isRotateSupported() const;
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virtual Ref<LuminanceSource> invert() const;
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virtual Ref<LuminanceSource> rotateCounterClockwise() const;
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operator std::string () const;
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};
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}
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#endif /* LUMINANCESOURCE_H_ */
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