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/SwingTextMetrics.java
}
		final int n = al.size( );
		if ( n == 1 || n == 0 )
		{
			return null;
		}
		final String[] sa = new String[n];
		for ( i = 0; i < al.size( ); i++ )
		{
			sa[i] = (String) al.get( i );
		}
		return sa;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.device.ITextMetrics#dispose()
	 */
	public void dispose( )
	{
		if ( bi != null )
		{
			( (BufferedImage) bi ).flush( );
			bi = null;
			g2d.dispose( );
			g2d = null;
		}
	}
}