Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/swing/SwingTextMetrics.java
la = _la;
		computeTextAntialiasing( );
		reuse( la );
	}
	/**
	 * Only antialias rotated, bold text, and font size > 13
	 * 
	 */
	private void computeTextAntialiasing( )
	{
		FontDefinition font = la.getCaption( ).getFont( );
		if ( font.isBold( )
				|| ( font.getRotation( ) % 90 != 0 )
				|| font.getSize( ) > 13 )
		{
			g2d.setRenderingHint( RenderingHints.KEY_TEXT_ANTIALIASING,
					RenderingHints.VALUE_TEXT_ANTIALIAS_ON );
		}
		else
		{
			g2d.setRenderingHint( RenderingHints.KEY_TEXT_ANTIALIASING,
					RenderingHints.VALUE_TEXT_ANTIALIAS_OFF );
		}
	}
	/**
	 * Allows reuse of the multi-line text element for computing bounds of
	 * changed font/text content
	 * 
	 * @param fd
	 */