MacDue 1cf45ee930 Utilities: Add ttfdisasm for disassembling OpenType instructions ...

This utility when given a .tff font provides options for disassembling:

 - The 'fpgm' table, this a program that's run once when the font is
   loaded. It's used to define instructions and functions used by used
   by other programs.

 - The 'prep' table, this is a general program that's run when ever
   the font size (or other properties) changes.

 - And the programs associated with any individual glyph.

The disassembly is printed in a format that matches the examples from:
https://learn.microsoft.com/en-us/typography/opentype/spec/tt_instructions

I'm mainly adding this because I think it's neat to be able to look
at these things, and think it'll be helpful for debugging an
interpreter.

With this you can see that all of the LiberationSerif-XXX.tff fonts in
Serenity have these programs ready to go.

2023-01-12 11:27:57 +01:00

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