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.pdf/src/org/eclipse/birt/report/engine/emitter/pdf/PDFPage.java
float lineWidth = fontInfo.getLineWidth( );
		if ( linethrough )
		{
			drawLine( textX, textY, width, lineWidth, convertToPoint( fontInfo
					.getLineThroughPosition( ) ), color, currentContentByte );
		}
		if ( overline )
		{
			drawLine( textX, textY, width, lineWidth, convertToPoint( fontInfo
					.getOverlinePosition( ) ), color, currentContentByte );
		}
		if ( underline )
		{
			drawLine( textX, textY, width, lineWidth, convertToPoint( fontInfo
					.getUnderlinePosition( ) ), color, currentContentByte );
		}
	}
	public void drawTotalPage( String text, int textX, int textY, int width,
			int height, TextStyle textInfo )
	{
		if ( totalPageTemplate != null )
		{
			drawTotalPage( text, convertToPoint( textX ),
					convertToPoint( textY ), convertToPoint( width ),
					convertToPoint( height ), textInfo );
		}
	}
	private void drawTotalPage( String text, float textX, float textY,
			float width, float height, TextStyle textInfo )
	{