Bug 203026 Can not export chart to doc.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
* @param options
	 *            the config options used in document
	 * @return the report docuement
	 */
	public IReportDocument openReportDocument( String systemId, String docName,
			Map options )
	{
		if ( docName == null )
			return null;
		IReportDocument document = null;
		try
		{
			document = engine.openReportDocument( systemId, docName, options );
		}
		catch ( Exception e )
		{
		}
		return document;
	}
	/**
	 * Render image.
	 * 
	 * @param imageId
	 * @param request
	 * @param outputStream
	 * @throws RemoteException
	 */
	public void renderImage( String imageId, HttpServletRequest request,
			OutputStream outputStream ) throws RemoteException
	{