Bug 144402 Report title didn't appear on PDF
engine/org.eclipse.birt.report.engine.emitter.pdf/src/org/eclipse/birt/report/engine/emitter/pdf/PDFEmitter.java
*/
	
	
	/**
	 * The ratio of layout measure to iText measure
	 */
	public static final float LAYOUT_TO_PDF_RATIO = 1000f;
	
	/**
	 * the pdf Document object created by iText
	 */
	private Document doc = null;
	/**
	 * the Pdf Writer
	 */
	private PdfWriter writer = null;
	
	/**
	 * template for totalpage
	 * */
	private PdfTemplate tpl = null;
	private int tplWidth =0;
	private int tplHeight =0;
	/**
	 * contentByte layer for pdf;
	 * cb covers cbUnder.
	 */
	private PdfContentByte cb, cbUnder = null;
	/**
	 * the height and width of the current pdf page.