There are some interesting API’s within Core Foundation that don’t have too much material written about them. One of these API’s is Core Text. By using Core Text along with Core Graphics you can manipulate text in virtually any way you want.
See the image below:
I found this great tutorial that goes into great detail as to how to modify text with Core Graphics and Core Text. What I really liked about this tutorial was the great detail explaining how things work, and why they were done.
The tutorial is form Ohmu and can be found here:
iPhone Development: Low-level text rendering
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