Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.device.swt/src/org/eclipse/birt/chart/device/swt/SwtDisplayServer.java
*/
	public Object loadImage( URL url ) throws ChartException
	{
		try
		{
			final InputStream is = url.openStream( );
			final Image img = new Image( _d, is );
			is.close( );
			return img;
			
		}
		catch ( Exception ex )
		{
			throw new ChartException( ChartDeviceSwtActivator.ID,
					ChartException.IMAGE_LOADING,
					ex );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.devices.IDisplayServer#getSize(java.lang.Object)
	 */
	public Size getSize( Object oImage )
	{
		final Image img = (Image) oImage;
		final Rectangle r = img.getBounds( );
		return SizeImpl.create( r.width, r.height );
	}
	/*