DataTypeChanger.h

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/*
 * Fimex
 *
 * (C) Copyright 2008, met.no
 *
 * Project Info:  https://wiki.met.no/fimex/start
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 */

#ifndef DATATYPECHANGER_H_
#define DATATYPECHANGER_H_
#include "fimex/DataDecl.h"
#include "fimex/CDMDataType.h"
#include "boost/shared_ptr.hpp"
#include "fimex/CDMException.h"

namespace MetNoFimex
{

class DataTypeChanger
{
    CDMDataType oldType;
    CDMDataType newType;
    double oldFill;
    double newFill;
    double oldScale;
    double newScale;
    double oldOffset;
    double newOffset;
public:
    explicit DataTypeChanger(CDMDataType oldType);
    explicit DataTypeChanger(CDMDataType oldType, double oldFill, double oldScale, double oldOffset, CDMDataType newType, double newFill, double newScale, double newOffset, double unitScale = 1., double unitOffset = 0.);
    virtual ~DataTypeChanger();
    DataPtr convertData(DataPtr) const throw(CDMException);
    CDMDataType getDataType() const;

};

}

#endif /*DATATYPECHANGER_H_*/