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
{
			renderOption.setBaseURL( baseURL + IBirtConstants.SERVLET_PATH_RUN );
		}
		renderOption.setEnableAgentStyleEngine( ParameterAccessor
				.isAgentStyle( request ) );
		renderOption.setSupportedImageFormats( svgFlag
				? "PNG;GIF;JPG;BMP;SVG" : "PNG;GIF;JPG;BMP" ); 
		return renderOption;
	}
	/**
	 * Create PDF render option.
	 * 
	 * @param servletPath
	 * @param request
	 * @param isDesigner
	 * @return the PDF render option
	 */
	private PDFRenderOption createPDFRenderOption( String servletPath,
			HttpServletRequest request, boolean isDesigner )
	{
		String baseURL = null;
		
		if ( !isDesigner )
			baseURL = ParameterAccessor.getBaseURL( );
		if ( baseURL == null )
		{
			if ( ParameterAccessor.isOpenAsAttachment( request ) )
			{
				baseURL = request.getScheme( ) + "://" 
						+ request.getServerName( ) + ":"