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.ppt/src/org/eclipse/birt/report/engine/emitter/ppt/PPTWriter.java
}
		catch ( IOException ioe )
		{
			
			logger.log( Level.WARNING, ioe.getMessage( ), ioe );
		}
		
		
		float lineWidth = fontInfo.getLineWidth( );
		if ( linethrough )
		{
			drawDecoration( textX, textY, width, color, lineWidth,
					fontInfo.getLineThroughPosition( ) );
		}
		if ( overline )
		{
			drawDecoration( textX, textY, width, color, lineWidth,
					fontInfo.getOverlinePosition( ) );
		}
		if ( underline )
		{
			drawDecoration( textX, textY, width, color, lineWidth,
					fontInfo.getUnderlinePosition( ) );
		}
	}
	private void drawDecoration( float textX, float textY, float width,
			Color color, float lineWidth, int linePosition )
	{
		float lineOffset = getDecorationPosition( linePosition );
		drawLine( textX, textY + lineOffset, textX + width, textY + lineOffset,