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Re: mysterious behavior of system font metrics
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Re: mysterious behavior of system font metrics


  • Subject: Re: mysterious behavior of system font metrics
  • From: Jens Alfke <email@hidden>
  • Date: Wed, 28 Oct 2015 13:48:55 -0700

> On Oct 28, 2015, at 12:17 PM, Alan Snyder <email@hidden> wrote:
>
> The mysterious behavior that I observe is that the result of [NSFont systemFontOfSize:1] can change over time. For example:

The only guess I have is that it might depend on the scaling of the graphics context’s current transform … but on further thought that doesn’t make sense, because you need to be able to render magnified text (using a Zoom command) without having the metrics change non-proportionally.

I believe there’s a mailing list on lists.apple.com for CoreText; that might be a good place to ask.

—Jens
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