virtual void fill8(unsigned char val, int srcw, int srch, int destx, int desty) { Image_buffer16::fill16( palette[val], srcw, srch, destx, desty); }
virtual void fill8(unsigned char val) { Image_buffer16::fill16(palette[val]); }
	virtual void fill8(unsigned char val, int srcw, int srch,						int destx, int desty)		{ Image_buffer16::fill16(				palette[val], srcw, srch, destx, desty); }