Bug 136820 viewer supports render report in pdf format
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java
return null;
	}
	public void getImage( String docName, String imageId, OutputStream out,
			InputOptions options ) throws ReportServiceException
	{
		try
		{
			
			ReportEngineService.getInstance( ).renderImage( imageId, out );
		}
		catch ( RemoteException e )
		{
			throw new ReportServiceException( e.getLocalizedMessage( ) );
		}
	}
	public ToC getTOC( String docName, String tocId, InputOptions options )
			throws ReportServiceException
	{
		IReportDocument doc = ReportEngineService.getInstance( )
				.openReportDocument( getReportDesignName( options ), docName );
		TOCNode node = null;
		if ( tocId != null )
		{
			node = doc.findTOC( tocId );
		}
		else
		{
			node = doc.findTOC( null );
		}