// Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _BC_PDF417ECMODULUSPOLY_H_ #define _BC_PDF417ECMODULUSPOLY_H_ class CBC_PDF417ECModulusGF; class CBC_PDF417ECModulusPoly { public: CBC_PDF417ECModulusPoly(CBC_PDF417ECModulusGF* field, CFX_Int32Array &coefficients, FX_INT32 &e); virtual ~CBC_PDF417ECModulusPoly(); CFX_Int32Array& getCoefficients(); CBC_PDF417ECModulusGF* getField(); FX_INT32 getDegree(); FX_BOOL isZero(); FX_INT32 getCoefficient(FX_INT32 degree); FX_INT32 evaluateAt(FX_INT32 a); CBC_PDF417ECModulusPoly* add(CBC_PDF417ECModulusPoly* other, FX_INT32 &e); CBC_PDF417ECModulusPoly* subtract(CBC_PDF417ECModulusPoly* other, FX_INT32 &e); CBC_PDF417ECModulusPoly* multiply(CBC_PDF417ECModulusPoly* other, FX_INT32 &e); CBC_PDF417ECModulusPoly* negative(FX_INT32 &e); CBC_PDF417ECModulusPoly* multiply(FX_INT32 scalar, FX_INT32 &e); CBC_PDF417ECModulusPoly* multiplyByMonomial(FX_INT32 degree, FX_INT32 coefficient, FX_INT32 &e); CFX_PtrArray* divide(CBC_PDF417ECModulusPoly* other, FX_INT32 &e); CFX_ByteString toString(); private: CBC_PDF417ECModulusGF* m_field; CFX_Int32Array m_coefficients; }; #endif