rle_decoder.tpp

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00001 /*
00002   CLAW - a C++ Library Absolutely Wonderful
00003 
00004   CLAW is a free library without any particular aim but being useful to 
00005   anyone.
00006 
00007   Copyright (C) 2005-2008 Julien Jorge
00008 
00009   This library is free software; you can redistribute it and/or
00010   modify it under the terms of the GNU Lesser General Public
00011   License as published by the Free Software Foundation; either
00012   version 2.1 of the License, or (at your option) any later version.
00013 
00014   This library is distributed in the hope that it will be useful,
00015   but WITHOUT ANY WARRANTY; without even the implied warranty of
00016   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017   Lesser General Public License for more details.
00018 
00019   You should have received a copy of the GNU Lesser General Public
00020   License along with this library; if not, write to the Free Software
00021   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00022 
00023   contact: julien_jorge@yahoo.fr
00024 */
00031 /*----------------------------------------------------------------------------*/
00035 template< typename Pattern, typename InputBuffer, typename OutputBuffer >
00036 claw::rle_decoder<Pattern, InputBuffer, OutputBuffer>::rle_decoder()
00037   : m_mode(stop), m_count(0)
00038 {
00039 
00040 } // rle_decoder::rle_decoder()
00041 
00042 /*----------------------------------------------------------------------------*/
00046 template< typename Pattern, typename InputBuffer, typename OutputBuffer >
00047 claw::rle_decoder<Pattern, InputBuffer, OutputBuffer>::~rle_decoder()
00048 {
00049 
00050 } // rle_decoder::~rle_decoder()
00051 
00052 /*----------------------------------------------------------------------------*/
00058 template< typename Pattern, typename InputBuffer, typename OutputBuffer >
00059 void claw::rle_decoder<Pattern, InputBuffer, OutputBuffer>::decode
00060 ( input_buffer_type& input, output_buffer_type& output )
00061 {
00062   m_mode = stop;
00063   read_mode(input, output);
00064   
00065   while( m_mode != stop )
00066     {
00067       if ( m_mode == compressed )
00068         output.fill( m_count, m_pattern );
00069       else
00070         output.copy( m_count, input );
00071       
00072       read_mode(input, output);
00073     }
00074 } // rle_decoder::decode()

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