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Flate.hh

Go to the documentation of this file.

/*
    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 __ZLIB_FLATE_HEADER_INCLUDED__
#define __ZLIB_FLATE_HEADER_INCLUDED__

#include <stdexcept>
#include <string>
#include <vector>

namespace zlib {

class CError : public std::runtime_error
{
public :
    CError( int err ) ;

private :
    static const std::string& Lookup( int err ) ;
    static const std::string TABLE[] ;
} ;

enum ELevel
{
    NO_COMPRESSION      =   0,
    BEST_SPEED          =   1,
    BEST_COMPRESSION    =   9,
    DEFAULT_COMPRESSION =  -1
} ;

typedef std::vector<unsigned char> CBuffer ;

void Compress( const CBuffer& input, CBuffer& output,
               int level = BEST_COMPRESSION ) ;

void Compress( CBuffer& buffer, int level = BEST_COMPRESSION ) ;

void Compress( const void *buffer, unsigned size, CBuffer& output,
               int level = BEST_COMPRESSION ) ;

} // end of namespace

#endif

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