decodeWithState(image) {
			// Make sure to set up the default state so we don't crash
			if (this.readers === null || this.readers === undefined) {
				this.setHints(null);
			}
			return this.decodeInternal(image);
		}
Decode an image using the state set up by calling setHints() previously. Continuous scan
clients will get a <b>large</b> speed increase by using this instead of decode().

@param image The pixel data to decode
@return The contents of the image

@throws NotFoundException Any errors which occurred