public String decode() {
		StringBuilder message = new StringBuilder();
		long RBG;
		for(int i = 0; i < this.width; i++) {
			RBG = this.picture.getRGB(i, 0);
			//System.err.printf("You are at pixel %d, 0; RBG is %d\n", i, RBG);
			if (RBG >= 32 && RBG < 127) {
				message.append((char) RBG);
			} else {
				RBG = Math.abs(-16777216 - RBG);
				if (RBG >= 32 && RBG < 127) {
					message.append((char) RBG);
				}
			}
		}
		return message.toString();
		
	}