@Override
        public void run() {
            if (isDrawingMessage) {
                position++;
                while (hasNextChar(position) && !isEndOfPage(position)) {
                    if (text[position] == '　')
                        position++;
                    else
                        break;
                }
                if (!hasNextChar(position) || isEndOfPage(position))
                    isDrawingMessage = false;
            }
        }