Hello,

My apologies if this is the wrong place to ask this. I am having to
continue work on a font engine that was built from scratch, and based on
FreeType, and am having problems with these two things. Right now, we do
not support the TTC extension at all. Is there a resource that explains how
to handle this? I checked the Apple TrueType documentation and FreeType but
cannot find anything. My understanding is they are a collection of several
TTF files with shared glyphs, so I'm just curious if they have a special
format that needs to be read or if I can read the files as I would a TTF
file.

Secondly, is there an explanation or blueprint for the different TTF
formats? Right now, my system only reads one of the TTF formats (I don't
remember which one) out of the 7? or 8 available. Is there a resource
somewhere that explains the layout of the different format options so I can
make readers for all of them, or is there some easy approach to this?

Thank you,

Jack
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