JPEGEncoder.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/JPEGEncoder.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.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/ImgBase.h>

#ifndef ICL_HAVE_LIBJPEG
  #if WIN32
    #pragma WARNING("libjpeg is not available, therefore, this header should not be included")
  #else
    #warning "libjpeg is not available, therefore, this header should not be included"
  #endif
#endif

namespace icl{
  namespace io{
    class ICLIO_API JPEGEncoder : public utils::Uncopyable{
      struct Data;  
      Data *m_data; 

      public:

      JPEGEncoder(int quality=90);

      ~JPEGEncoder();

      void setQuality(int quality);

      struct EncodedData{
        icl8u *bytes; 
        int len;      
      };


      const EncodedData &encode(const core::ImgBase *image);

      void writeToFile(const core::ImgBase *image, const std::string &filename);
    };

  } // namespace io
}