/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/log.hxx>
#include <tools/stream.hxx>
#include <tools/zcodec.hxx>
#include "codec.hxx"
#include <memory>
GalleryCodec::GalleryCodec( SvStream& rIOStm ) :
rStm( rIOStm )
{
}
bool GalleryCodec::IsCoded( SvStream& rStm, sal_uInt32& rVersion )
{
const sal_uInt64 nPos = rStm.Tell();
bool bRet;
sal_uInt8 cByte1, cByte2, cByte3, cByte4, cByte5, cByte6;
rStm.ReadUChar( cByte1 ).ReadUChar( cByte2 ).ReadUChar( cByte3 ).ReadUChar( cByte4 ).ReadUChar( cByte5 ).ReadUChar( cByte6 );
if (rStm.good() && cByte1 == 'S' && cByte2 == 'V' && cByte3 == 'R' && cByte4 == 'L' && cByte5 == 'E' && ( cByte6 == '1' || cByte6 == '2' ) )
{
rVersion = ( ( cByte6 == '1' ) ? 1 : 2 );
bRet = true ;
}
else
{
rVersion = 0 ;
bRet = false ;
}
rStm.Seek( nPos );
return bRet;
}
void GalleryCodec::Write( SvStream& rStmToWrite )
{
sal_uInt32 nPos, nCompSize;
const sal_uInt32 nSize = rStmToWrite.TellEnd();
rStmToWrite.Seek( 0 );
rStm.WriteChar( 'S' ).WriteChar( 'V' ).WriteChar( 'R' ).WriteChar( 'L' ).WriteChar( 'E' ).WriteChar( '2' );
rStm.WriteUInt32( nSize );
nPos = rStm.Tell();
rStm.SeekRel( 4 );
ZCodec aCodec;
aCodec.BeginCompression();
aCodec.Compress( rStmToWrite, rStm );
aCodec.EndCompression();
nCompSize = rStm.Tell() - nPos - 4 ;
rStm.Seek( nPos );
rStm.WriteUInt32( nCompSize );
rStm.Seek( STREAM_SEEK_TO_END );
}
void GalleryCodec::Read( SvStream& rStmToRead )
{
sal_uInt32 nVersion = 0 ;
if ( !IsCoded( rStm, nVersion ) )
return ;
rStm.SeekRel( 14 );
// decompress
if ( 1 == nVersion )
{
SAL_WARN("svx" , "staroffice binary file formats are no longer supported inside the gallery!" );
}
else if ( 2 == nVersion )
{
ZCodec aCodec;
aCodec.BeginCompression();
aCodec.Decompress( rStm, rStmToRead );
aCodec.EndCompression();
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=95 H=100 G=97
¤ Diese beiden folgenden Angebotsgruppen bietet das Unternehmen0.9Angebot
(Wie Sie bei der Firma Beratungs- und Dienstleistungen beauftragen können 2026-10-01)
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*Eine klare Vorstellung vom Zielzustand