Bug 196272 Text position is incorrect in postscript and ppt.
Text position need to be ajusted according to baseline position.
engine/org.eclipse.birt.report.engine.emitter.postscript/src/org/eclipse/birt/report/engine/emitter/postscript/PostscriptWriter.java
*/
	protected Font font = new Font( Font.HELVETICA, 12, Font.NORMAL );
	/**
	 * Current page index with 1 as default value.
	 */
	private int pageIndex = 1;
	/**
	 * Height of current page.
	 */
	private int pageHeight = DEFAULT_PAGE_HEIGHT;
	/**
	 * Width of current page.
	 */
	private int pageWidth = DEFAULT_PAGE_WIDTH;
	private static Set intrinsicFonts = new HashSet( );
	static
	{
		intrinsicFonts.add( COURIER );
		intrinsicFonts.add( COURIER_BOLD );
		intrinsicFonts.add( COURIER_OBLIQUE );
		intrinsicFonts.add( COURIER_BOLDOBLIQUE );
		intrinsicFonts.add( HELVETICA );
		intrinsicFonts.add( HELVETICA_BOLD );
		intrinsicFonts.add( HELVETICA_OBLIQUE );
		intrinsicFonts.add( HELVETICA_BOLDOBLIQUE );
		intrinsicFonts.add( SYMBOL );
		intrinsicFonts.add( TIMES );
		intrinsicFonts.add( TIMES_ROMAN );
		intrinsicFonts.add( TIMES_BOLD );
		intrinsicFonts.add( TIMES_ITALIC );