ColorFormatDecoder.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   : ICLIO/src/ICLIO/ColorFormatDecoder.h                   **
** Module : ICLIO                                                  **
** Authors: Christof Elbrechter                                    **
**                                                                 **
**                                                                 **
** 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.GPL  **
** 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 <ICLCore/Img.h>
#include <ICLIO/FourCC.h>

#include <map>

namespace icl{
  namespace io{
    

    class ColorFormatDecoder{
      public:
      // conversion function type
      typedef void (*decoder_func)(const icl8u*,const utils::Size&,core::ImgBase**,std::vector<icl8u>*);
      
      private:
      std::vector<icl8u> m_buffer; 
      std::map<icl32u,decoder_func> m_functions; 
      core::ImgBase *m_dstBuf;  
      
      public:
      ColorFormatDecoder();
      
      ~ColorFormatDecoder();
      
      inline bool supports(FourCC fourcc){
        return m_functions.find(fourcc.asInt()) != m_functions.end();
      }
      
      void decode(FourCC fourcc, const icl8u *data, const utils::Size &size, core::ImgBase **dst);
  
      const core::ImgBase *decode(FourCC fourcc, const icl8u *data, const utils::Size &size){
        decode(fourcc,data,size,&m_dstBuf);
        return m_dstBuf;
      }
      
    };
  } // namespace io
}