code_device/hgdriver/ImageProcess/include/zxing/pdf417/decoder/ec/ModulusPoly.h

69 lines
2.3 KiB
C++
Executable File

#ifndef __MODULUS_GFPOLY_PDF_H__
#define __MODULUS_GFPOLY_PDF_H__
/*
* Copyright 2012 ZXing authors
*
* 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.
*
* 2012-09-17 HFN translation from Java into C++
*/
#include <zxing/common/Counted.h>
#include <zxing/common/Array.h>
#include <zxing/common/DecoderResult.h>
#include <zxing/common/BitMatrix.h>
namespace zxing {
namespace pdf417 {
namespace decoder {
namespace ec {
class ModulusGF;
/**
* @author Sean Owen
* @see com.google.zxing.common.reedsolomon.GenericGFPoly
*/
class ModulusPoly : public Counted {
private:
ModulusGF& field_;
ArrayRef<int> coefficients_;
public:
ModulusPoly(ModulusGF& field, ArrayRef<int> coefficients);
~ModulusPoly();
ArrayRef<int> getCoefficients();
int getDegree();
bool isZero();
int getCoefficient(int degree);
int evaluateAt(int a);
Ref<ModulusPoly> add(Ref<ModulusPoly> other);
Ref<ModulusPoly> subtract(Ref<ModulusPoly> other);
Ref<ModulusPoly> multiply(Ref<ModulusPoly> other);
Ref<ModulusPoly> negative();
Ref<ModulusPoly> multiply(int scalar);
Ref<ModulusPoly> multiplyByMonomial(int degree, int coefficient);
std::vector<Ref<ModulusPoly> > divide(Ref<ModulusPoly> other);
#if 0
public String toString();
#endif
};
}
}
}
}
#endif /* __MODULUS_GFPOLY_PDF_H__ */