Chih-Chung Chang 945ea689b5 am 31a2ffa6: Add set rotation function.
Merge commit '31a2ffa6ca0cc5ce6f389ac44799f92f0329cd74'

* commit '31a2ffa6ca0cc5ce6f389ac44799f92f0329cd74':
  Add set rotation function.
2009-06-15 02:55:37 -07:00
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