Diff: zxing_lib/zxing/common/reedsolomon/GenericGF.h

Revision:

0:2f8d4a574b4e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zxing_lib/zxing/common/reedsolomon/GenericGF.h	Fri Jan 12 15:41:00 2018 +0900
@@ -0,0 +1,73 @@
+// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
+/*
+ *  GenericGF.h
+ *  zxing
+ *
+ *  Created by Lukas Stabe on 13/02/2012.
+ *  Copyright 2012 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.
+ */
+
+#ifndef GENERICGF_H
+#define GENERICGF_H
+
+#include <vector>
+#include <zxing/common/Counted.h>
+
+namespace zxing {
+  class GenericGFPoly;
+  
+  class GenericGF : public Counted {
+    
+  private:
+    std::vector<int> expTable;
+    std::vector<int> logTable;
+    Ref<GenericGFPoly> zero;
+    Ref<GenericGFPoly> one;
+    int size;
+    int primitive;
+    int generatorBase;
+    bool initialized;
+    
+    void initialize();
+    void checkInit();
+    
+  public:
+    static Ref<GenericGF> AZTEC_DATA_12;
+    static Ref<GenericGF> AZTEC_DATA_10;
+    static Ref<GenericGF> AZTEC_DATA_8;
+    static Ref<GenericGF> AZTEC_DATA_6;
+    static Ref<GenericGF> AZTEC_PARAM;
+    static Ref<GenericGF> QR_CODE_FIELD_256;
+    static Ref<GenericGF> DATA_MATRIX_FIELD_256;
+    static Ref<GenericGF> MAXICODE_FIELD_64;
+    
+    GenericGF(int primitive, int size, int b);
+    
+    Ref<GenericGFPoly> getZero();
+    Ref<GenericGFPoly> getOne();
+    int getSize();
+    int getGeneratorBase();
+    Ref<GenericGFPoly> buildMonomial(int degree, int coefficient);
+    
+    static int addOrSubtract(int a, int b);
+    int exp(int a);
+    int log(int a);
+    int inverse(int a);
+    int multiply(int a, int b);
+  };
+}
+
+#endif //GENERICGF_H
+