mirror of https://github.com/status-im/qzxing.git
79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
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// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
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/*
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* GenericGF.h
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* zxing
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*
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* Created by Lukas Stabe on 13/02/2012.
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* Copyright 2012 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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#ifndef GENERICGF_H
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#define GENERICGF_H
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#include <vector>
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#include <zxing/common/Counted.h>
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namespace zxing {
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class GenericGFPoly;
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class GenericGF : public Counted {
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private:
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std::vector<int> expTable_;
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std::vector<int> logTable_;
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Ref<GenericGFPoly> zero_;
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Ref<GenericGFPoly> one_;
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int size_;
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int primitive_;
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bool initialized_;
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void initialize();
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void checkInit();
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public:
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static Ref<GenericGF> AZTEC_DATA_12;
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static Ref<GenericGF> AZTEC_DATA_10;
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static Ref<GenericGF> AZTEC_DATA_8;
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static Ref<GenericGF> AZTEC_DATA_6;
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static Ref<GenericGF> AZTEC_PARAM;
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static Ref<GenericGF> QR_CODE_FIELD_256;
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static Ref<GenericGF> DATA_MATRIX_FIELD_256;
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GenericGF(int primitive, int size);
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Ref<GenericGFPoly> getZero();
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Ref<GenericGFPoly> getOne();
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int getSize();
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Ref<GenericGFPoly> buildMonomial(int degree, int coefficient);
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static int addOrSubtract(int a, int b);
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int exp(int a);
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int log(int a);
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int inverse(int a);
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int multiply(int a, int b);
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bool operator==(GenericGF other) {
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return (other.getSize() == this->size_ &&
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other.primitive_ == this->primitive_);
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}
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//#warning todo: add print method
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};
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}
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#endif //GENERICGF_H
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