156 lines
5.2 KiB
C++
156 lines
5.2 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: graphconvert.cxx,v $
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*
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* $Revision: 1.9 $
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*
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* last change: $Author: obo $ $Date: 2006-10-12 11:22:03 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_embeddedobj.hxx"
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#ifndef _COM_SUN_STAR_UNO_ANY_HXX_
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#include <com/sun/star/uno/Any.hxx>
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#endif
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#ifndef _COM_SUN_STAR_UNO_REFERENCE_HXX_
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#include <com/sun/star/uno/Reference.hxx>
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#endif
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#ifndef _COM_SUN_STAR_UNO_SEQUENCE_HXX_
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#include <com/sun/star/uno/Sequence.hxx>
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#endif
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#include "mtnotification.hxx"
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#include "oleembobj.hxx"
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// TODO: when conversion service is ready this headers should disappear
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#include <svtools/filter.hxx>
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#include <vcl/graph.hxx>
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#include <tools/link.hxx>
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#include <vcl/svapp.hxx>
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#include <vos/mutex.hxx>
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using namespace ::com::sun::star;
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sal_Bool ConvertBufferToFormat( void* pBuf,
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sal_uInt32 nBufSize,
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const ::rtl::OUString& aFormatShortName,
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uno::Any& aResult )
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{
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// produces sequence with data in requested format and returns it in aResult
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if ( pBuf )
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{
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SvMemoryStream aBufStream( pBuf, nBufSize, STREAM_READ );
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aBufStream.ObjectOwnsMemory( sal_False );
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Graphic aGraph;
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GraphicFilter aGrFilter( sal_True );
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if ( aGrFilter.ImportGraphic( aGraph, String(), aBufStream ) == ERRCODE_NONE )
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{
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sal_uInt16 nFormat = aGrFilter.GetExportFormatNumberForShortName( aFormatShortName );
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if ( nFormat != GRFILTER_FORMAT_DONTKNOW )
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{
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SvMemoryStream aNewStream( 65535, 65535 );
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if ( aGrFilter.ExportGraphic( aGraph, String(), aNewStream, nFormat ) == ERRCODE_NONE )
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{
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/*
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{
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aNewStream.Seek( 0 );
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SvFileStream aFile( String::CreateFromAscii( "file:///d:/test.png" ), STREAM_STD_READWRITE);
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aFile.SetStreamSize( 0 );
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aNewStream >> aFile;
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}
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*/
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aResult <<= uno::Sequence< sal_Int8 >(
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reinterpret_cast< const sal_Int8* >( aNewStream.GetData() ),
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aNewStream.Seek( STREAM_SEEK_TO_END ) );
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return sal_True;
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}
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}
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}
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}
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return sal_False;
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}
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// =====================================================================
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// MainThreadNotificationRequest
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// =====================================================================
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MainThreadNotificationRequest::MainThreadNotificationRequest( OleEmbeddedObject* pObj )
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: m_pObject( pObj )
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, m_xObject( static_cast< embed::XEmbeddedObject* >( pObj ) )
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{}
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void MainThreadNotificationRequest::mainThreadWorkerStart( MainThreadNotificationRequest* pMTRequest )
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{
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if ( Application::GetMainThreadIdentifier() == osl_getThreadIdentifier( NULL ) )
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{
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// this is the main thread
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worker( pMTRequest, pMTRequest );
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}
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else
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Application::PostUserEvent( STATIC_LINK( NULL, MainThreadNotificationRequest, worker ), pMTRequest );
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}
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IMPL_STATIC_LINK_NOINSTANCE( MainThreadNotificationRequest, worker, MainThreadNotificationRequest*, pMTRequest )
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{
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if ( pMTRequest )
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{
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if ( pMTRequest->m_pObject )
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{
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try
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{
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uno::Reference< uno::XInterface > xLock = pMTRequest->m_xObject.get();
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if ( xLock.is() )
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{
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// this is the main thread, the solar mutex must be locked
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::vos::OGuard aGuard( Application::GetSolarMutex() );
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pMTRequest->m_pObject->OnViewChanged_Impl();
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}
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}
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catch( uno::Exception& )
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{
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// ignore all the errors
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}
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}
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delete pMTRequest;
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}
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return 0;
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}
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// =====================================================================
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