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Image.hh

/*

    libpdf++: a C++ Free library to generate PDF file
    Copyright (C) 2002 Nestal Wan

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
#ifndef __PDF_GRAPH_RAW_IMAGE_HEADER_INCLUDED__
#define __PDF_GRAPH_RAW_IMAGE_HEADER_INCLUDED__

#ifndef __PDF_GRAPH_IMG_BASE_INCLUDED__
#include "ImgBase.hh"
#endif

#ifndef __IMAGE_IMAGE_HEADER_INCLUDED__
#include "image/Image.hh"
#endif

#include <boost/smart_ptr.hpp>
#include <string>

namespace image
{
    class CImage ;
    class CHeader ;
}

namespace pdf { namespace graph {

class CImage : public CImgBase
{
public :
    enum EFilter { inflate, DCT, none } ;

private :
    image::CImage   m_image ;       
    EFilter         m_filter ;      
    
public :
    CImage( const image::CImage& image, EFilter filter = none ) ;
    ~CImage( ) ;

    core::CObject* Dup( ) const ;

    const core::CObjRef Write( core::CFile& file ) const ;

    const image::CImage& Image( ) const ;

    image::CImage& Image( ) ;

    const image::CHeader& Header( ) const ;
    
protected :
    const CByteVec& GetContent( CByteVec& output ) const ;
    void MakeDictionary( core::CDictionary& dict ) const ;

private :
    const CByteVec& DCTEncode( CByteVec& output ) const ;
    const CByteVec& Inflate( CByteVec& output ) const ;
    static const std::string& FilterName( EFilter filter ) ;
} ;

} } // end of namespace

#endif

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