case RenderingDef.HSB:
	static RenderingStrategy makeNew(int model)	{		RenderingStrategy strategy = null;		switch(model) {			case RenderingDef.GS:				strategy = new GreyScaleStrategy();				break;			case RenderingDef.RGB:				strategy = new RGBStrategy();				break;			default:				throw new IllegalArgumentException(											"Wrong Rendering model identifier");		}		return strategy;	}