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
catch ( RuntimeException re )
		{
			logger.log( Level.WARNING, re.getMessage( ), re );
		}
		cbUnder.restoreState( );
	}
	public void drawImage( byte[] imageData, String extension, int imageX,
			int imageY, int height, int width, String helpText )
			throws Exception
	{
		Image image = Image.getInstance( imageData );
		drawImage( image, convertToPoint( imageX ), convertToPoint( imageY ),
				convertToPoint( height ), convertToPoint( width ), helpText );
	}
	public void drawImage( String uri, String extension, int imageX,
			int imageY, int height, int width, String helpText )
			throws Exception
	{
		Image image = Image.getInstance( new URL( uri ) );
		drawImage( image, convertToPoint( imageX ), convertToPoint( imageY ),
				convertToPoint( height ), convertToPoint( width ), helpText );
	}
	public void drawLine( int startX, int startY, int endX, int endY,
			int width, Color color, String lineStyle )
	{
		drawLine( convertToPoint( startX ), convertToPoint( startY ),
				convertToPoint( endX ), convertToPoint( endY ),
				convertToPoint( width ), color, lineStyle );
	}
	private void drawLine( float startX, float startY, float endX, float endY,