Bug 206719 [Regression] Not all of the data exported can be shown [07]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
* 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( ) + ":" 
						+ request.getServerPort( );
			}
			else
			{
				baseURL = ""; 		
			}
		}
		
		baseURL += request.getContextPath( );
		PDFRenderOption renderOption = new PDFRenderOption( );