qzxing/source/zxing/LuminanceSource.h

53 lines
1.6 KiB
C++

// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
#ifndef __LUMINANCESOURCE_H__
#define __LUMINANCESOURCE_H__
/*
* LuminanceSource.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/common/Counted.h>
#include <string.h>
namespace zxing {
class LuminanceSource : public Counted {
public:
LuminanceSource();
virtual ~LuminanceSource();
virtual int getWidth() const = 0;
virtual int getHeight() const = 0;
// Callers take ownership of the returned memory and must call delete [] on it themselves.
virtual unsigned char* getRow(int y, unsigned char* row) = 0;
virtual unsigned char* getMatrix() = 0;
virtual bool isCropSupported() const;
virtual Ref<LuminanceSource> crop(int left, int top, int width, int height);
virtual bool isRotateSupported() const;
virtual Ref<LuminanceSource> rotateCounterClockwise();
operator std::string (); // should be const but don't want to make sure a
// large breaking change right now
};
}
#endif /* LUMINANCESOURCE_H_ */