How to draw NSString vertically on iPhone?

Posted by Horace Ho on Stack Overflow See other posts from Stack Overflow or by Horace Ho
Published on 2010-05-11T07:37:41Z Indexed on 2010/05/11 7:44 UTC
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Chinese characters can be view horizontally and vertically. I want to let users have both options. How can this be done in an iPhone views?

e.g.

+-------------------------+         +-------------------------+
| Hello, I am a newbie.   |         |                 b  a  H |
|                         |         |                 i  m  e |
|                         |         |                 e     l |
|                         |   --->  |                 .  a  l |
|                         |         |                       o |
|                         |         |                    n  , |
|                         |         |                    e    |
|                         |         |                    w  I |
+-------------------------+         +-------------------------+

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