foo.java

	/**
	 * Maakt gebruik van het feit dat shorts 16bit zijn
	 * 
	 * 
	 * @param left
	 * @param right
	 * @return a size 3 byte array containing, when concatenated, (left << 12) |
	 *         right
	 */
	public static Byte[] compressBytes(final short left, final short right){
		if(((left >> 12) != 0) || ((right >> 12) != 0))
			throw new IllegalArgumentException("input size too large");
		final int dinges = (left << 12) | right;

		final byte b1 = (byte) (dinges >> 16);
		final byte b2 = (byte) ((dinges << 8) >> 8);
		final byte b3 = (byte) ((dinges << 16) >> 16);

		return new Byte[] {b1, b2, b3};

	}