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/SwtRendererImpl.java
if ( pre.getImage( ) instanceof EmbeddedImage )
		{
			try
			{
				ByteArrayInputStream bis = new ByteArrayInputStream( Base64.decodeBase64( ( (EmbeddedImage) pre.getImage( ) ).getData( )
						.getBytes( ) ) );
				img = new org.eclipse.swt.graphics.Image( ( (SwtDisplayServer) _ids ).getDevice( ),
						bis );
			}
			catch ( Exception ilex )
			{
				throw new ChartException( ChartDeviceSwtActivator.ID,
						ChartException.RENDERING,
						ilex );
			}
		}
		else
		{
			try
			{
				final String sUrl = pre.getImage( ).getURL( );
				img = (Image) _ids.loadImage( new URL( sUrl ) );
			}
			catch ( ChartException ilex )
			{
				
				logger.log( new ChartException( ChartDeviceSwtActivator.ID,
						ChartException.RENDERING,
						ilex ) );
			}