mirror of
https://github.com/status-im/qzxing.git
synced 2025-03-01 02:50:29 +00:00
69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
#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__ */
|