renderer = new PngRendererImplOld( );
renderer = new PngRendererImpl( );
	protected void startup( )	{		renderer = new PngRendererImplOld( );		renderer.setProperty( IDeviceRenderer.FILE_IDENTIFIER, outFile );		renderer.setProperty( IDeviceRenderer.EXPECTED_BOUNDS,				BoundsImpl.create( 0, 0, 500, 500 ) );	}