LUTOp.h

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/********************************************************************
**                Image Component Library (ICL)                    **
**                                                                 **
** Copyright (C) 2006-2013 CITEC, University of Bielefeld          **
**                         Neuroinformatics Group                  **
** Website: www.iclcv.org and                                      **
**          http://opensource.cit-ec.de/projects/icl               **
**                                                                 **
** File   : ICLFilter/src/ICLFilter/LUTOp.h                        **
** Module : ICLFilter                                              **
** Authors: Christof Elbrechter, Andre Justus                      **
**                                                                 **
**                                                                 **
** GNU LESSER GENERAL PUBLIC LICENSE                               **
** This file may be used under the terms of the GNU Lesser General **
** Public License version 3.0 as published by the                  **
**                                                                 **
** Free Software Foundation and appearing in the file LICENSE.LGPL **
** included in the packaging of this file.  Please review the      **
** following information to ensure the license requirements will   **
** be met: http://www.gnu.org/licenses/lgpl-3.0.txt                **
**                                                                 **
** The development of this software was supported by the           **
** Excellence Cluster EXC 277 Cognitive Interaction Technology.    **
** The Excellence Cluster EXC 277 is a grant of the Deutsche       **
** Forschungsgemeinschaft (DFG) in the context of the German       **
** Excellence Initiative.                                          **
**                                                                 **
********************************************************************/

#pragma once

#include <ICLUtils/CompatMacros.h>
#include <ICLUtils/Uncopyable.h>
#include <ICLCore/Img.h>
#include <ICLFilter/UnaryOp.h>
#include <vector>

namespace icl {
  namespace filter{


    class ICLFilter_API LUTOp : public UnaryOp, public utils::Uncopyable{
     public:

       LUTOp(const std::vector<icl8u> &lut);


       LUTOp(icl8u quantizationLevels=255);

       virtual ~LUTOp(){}


       virtual void apply(const core::ImgBase *src, core::ImgBase **dst);

       using UnaryOp::apply;


       static void simple(const core::Img8u *src, core::Img8u *dst, const std::vector<icl8u>& lut);


       static void reduceBits(const core::Img8u *src, core::Img8u *dst, icl8u levels);


       void setLUT(const std::vector<icl8u> &lut);


       void setQuantizationLevels(int levels);

       icl8u getQuantizationLevels() const;

       const std::vector<icl8u> &getLUT() const;

       bool isLUTSet() const;

       bool isLevelsSet() const;

       private:
       bool m_bLevelsSet;
       bool m_bLutSet;
       std::vector<icl8u> m_vecLUT;
       icl8u m_ucQuantizationLevels;
       core::Img8u *m_poBuffer;

     };
  } // namespace filter
} // namespace icl