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/SwingTextRenderer.java
* @param la
	 *            The chart model structure containing the encapsulated text
	 *            (and attributes) to be rendered
	 */
	public final void renderShadowAtLocation( IPrimitiveRenderer idr,
			int iLabelPosition, Location lo, Label la ) throws ChartException
	{
		if ( !ChartUtil.isShadowDefined( la ) )
		{
			return;
		}
		final ColorDefinition cdShadow = la.getShadowColor( );
		if ( cdShadow == null )
		{
			throw new ChartException( ChartDeviceExtensionPlugin.ID,
					ChartException.RENDERING,
					"SwingTextMetrics.exception.undefined.shadow.color", 
					Messages.getResourceBundle( _sxs.getULocale( ) ) );
		}
		final Graphics2D g2d = (Graphics2D) ( (IDeviceRenderer) idr ).getGraphicsContext( );
		g2d.setFont( (java.awt.Font) _sxs.createFont( la.getCaption( )
				.getFont( ) ) );
		switch ( iLabelPosition & POSITION_MASK )
		{
			case ABOVE :
				showTopValue( idr, lo, la, iLabelPosition, true );
				break;
			case BELOW :
				showBottomValue( idr, lo, la, iLabelPosition, true );
				break;