Dr Andrew C Aitchison writes:
AA> I thought (hoped?) that the scalable font renderers could cope with
AA> unusual dot pitches.
The scalable renderers will indeed handle reasonable font pitches fine.
The only issue I can see is the one of delta hints in TrueType
fonts. Delta hints apply to one particular resolution, and the hints
will typically only be present for a small set of common sizes. If
you're using an atypical pitch, you're going to loose all benefit of
delta-hinting.
(Another potential issue is that of rounding behaviour, which may be
ungood with unusual pitches; if so, that's a bug and will be fixed.)
AA> If we snap to standard values there is no incentive for
AA> applications to be fixed.
I would tend to agree, but I don't feel strongly either way.
Juliusz
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