On 20 Jul 2011, at 2:30 PM, Gabriel Roth wrote:
> My next thought was to convert the text field into an image (at some large
> font size) and then scale the image up and down as the slider moves. But I
> can't figure out how to create an image from a text field (or otherwise
> generate an image of a string of text in a given font).
That's the sort of thing that's profitable to look for in the OmniGroup
frameworks (open source, free distribution with OmniGroup's disclaimer of
liability, but see their license for the authoritative details).
A couple of minutes' search turned up drawCenteredShrinkingToFitInRect: in
NSAttributedString-OAExtensions. I don't think it's on-point for what you're
looking for, but you may be able to derive a technique.
— F
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