Bug 167267 getParameterDisplayText does not work on MasterPage in PDF
getParameterDisplayText does not seem to work when used on MasterPage. This problem seems to be limited to ReportViewer and PDF format. Table from my testing Deployed to Tomcat View Report in Web Viewer View Report as PDF Format HTML OK OK N/A PDF FAIL FAIL OK Incidentally getParameterDisplayText works fine in all of the above cases if used in footer of table in the report body.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/IReportDocument.java
*/
	public abstract long getPageCount( );
	/**
	 * Given a report item instance idD, returns the page number that the
	 * instance starts on (to support Reportlet).
	 * 
	 * @param iid
	 *            report item instance id
	 * @return the page number that the instance appears first
	 */
	public long getPageNumber( InstanceID iid );
	/**
	 * Given a report item instance id, returns the offset of the report content
	 * (to support Reportlet).
	 * 
	 * @param iid
	 *            report item instance id
	 * @return the offset in the content stream
	 */
	public long getInstanceOffset(InstanceID iid);
	
	/**
	 * Given a report item bookmark, returns the offset of the report content
	 * (to support Reportlet).
	 * 
	 * @param bookmark
	 *            bookmark of the report item.
	 * @return the offset in the content stream
	 */
	public long getBookmarkOffset(String bookmark);