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Diffstat (limited to 'vcl/source/gdi/svcompat.cxx')
-rw-r--r-- | vcl/source/gdi/svcompat.cxx | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/vcl/source/gdi/svcompat.cxx b/vcl/source/gdi/svcompat.cxx new file mode 100644 index 000000000000..dc037185e064 --- /dev/null +++ b/vcl/source/gdi/svcompat.cxx @@ -0,0 +1,117 @@ +/************************************************************************* + * + * $RCSfile: svcompat.cxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 17:05:38 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * 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 + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#define _SV_COMPAT_CXX + +#ifndef _STREAM_HXX +#include <tools/stream.hxx> +#endif + +#ifndef _SV_SVCOMPAT_HXX +#include <svcompat.hxx> +#endif + +// -------------- +// - ImplCompat - +// -------------- + +ImplCompat::ImplCompat( SvStream& rStm, USHORT nStreamMode, USHORT nVersion ) : + mpRWStm ( &rStm ), + mnStmMode ( nStreamMode ), + mnVersion ( nVersion ) +{ + if( !mpRWStm->GetError() ) + { + if( STREAM_WRITE == mnStmMode ) + { + *mpRWStm << mnVersion; + mnTotalSize = ( mnCompatPos = mpRWStm->Tell() ) + 4UL; + mpRWStm->SeekRel( 4L ); + } + else + { + *mpRWStm >> mnVersion; + *mpRWStm >> mnTotalSize; + mnCompatPos = mpRWStm->Tell(); + } + } +} + +// ------------------------------------------------------------------------ + +ImplCompat::~ImplCompat() +{ + if( STREAM_WRITE == mnStmMode ) + { + const UINT32 nEndPos = mpRWStm->Tell(); + + mpRWStm->Seek( mnCompatPos ); + *mpRWStm << ( nEndPos - mnTotalSize ); + mpRWStm->Seek( nEndPos ); + } + else + { + const UINT32 nReadSize = mpRWStm->Tell() - mnCompatPos; + + if( mnTotalSize > nReadSize ) + mpRWStm->SeekRel( mnTotalSize - nReadSize ); + } +} |