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/SwingRendererImpl.java
/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.device.IPrimitiveRenderer#drawRectangle(org.eclipse.birt.chart.event.RectangleRenderEvent)
	 */
	public void drawRectangle( RectangleRenderEvent rre ) throws ChartException
	{
		if ( iv != null )
		{
			iv.modifyEvent( rre );
		}
		
		final LineAttributes lia = rre.getOutline( );
		if ( !validateLineAttributes( rre.getSource( ), lia ) )
		{
			return;
		}
		
		final Color cFG = (Color) validateEdgeColor( lia.getColor( ),
				rre.getBackground( ),
				_ids );
		if ( cFG == null || cFG.getAlpha( ) == 0 )
		{
			return;
		}
		
		final Bounds bo = normalizeBounds( rre.getBounds( ) );
		Stroke sPrevious = null;
		Stroke sCurrent = getCachedStroke( lia );
		if ( sCurrent != null )