Some question with the Xorg develop

[杨如鹏]

 Dear XORG fans:
          I'm  new to XORG,and want to develop it.I want to know how
 XServer process and print the desktop window.So I can change something
 as I like.Can you give me some advices or some documents.Thank you.
           Best wishes for you.
 Rupeng Yang
 ShanDong university in China
 2010.10.24