请问开源项目常用的字符logo是怎么生成的？

       __                                     __   
  ____  / /_     ____ ___  __  __   ____  _____/ /_  
 / __ \/ __ \   / __ `__ \/ / / /  /_  / / ___/ __ \ 
/ /_/ / / / /  / / / / / / /_/ /    / /_(__  ) / / / 
\____/_/ /_/  /_/ /_/ /_/\__, /    /___/____/_/ /_/  
                        /____/                      

  __  __           _
 |  \/  |         | |
 | \  / |_   _  __| |_   _  ___
 | |\/| | | | |/ _` | | | |/ _ \
 | |  | | |_| | (_| | |_| | (_) |
 |_|  |_|\__,_|\__,_|\__,_|\___/

   -^-
   /   \\
   |O o|   
   ).-.(
  '/|||\`
  | '|` |
    '|`

---

www.asciiarts.net