Woff 2 font with font collection inside

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Black_Joker
Posts: 6
Joined: Tue May 04, 2021 7:53 am

Woff 2 font with font collection inside

Post by Black_Joker »

Hey. Maybe it`s a little bit offtopic here, but I have no idea where is the rigth place for it.

Currently I am working on my own font parser.
WOFF2 is one of the formats I want to support.
In specs says WOFF2 supports font collections, but I cannot find such fonts.
Simply no info in google about such font files.

So, I came here to ask someone to help me with it and provide at least few such files for testing purposes.
Please, help me with my issue.
Black_Joker
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Re: Woff 2 font with font collection inside

Post by Black_Joker »

Anyone? More than 120 views and noone has such fonts or at least know where they could be obtained?
Bhikkhu Pesala
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Re: Woff 2 font with font collection inside

Post by Bhikkhu Pesala »

The lack of replies indicates that no one uses type collections for WOFF fonts. I don't think FontCreator can create them for regular TTF or OTF fonts. FontCreator simply extracts the individual fonts from a collection on opening it.
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Black_Joker
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Re: Woff 2 font with font collection inside

Post by Black_Joker »

Yeah, I already understood that.
I didnt find any converters (online/offline) which could convert TTC (true type collection) to Woff2.
And this is quite strange, because specs says that font collections is supported.
Is this unclaimed feature?
lunde
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Re: Woff 2 font with font collection inside

Post by lunde »

The https://github.com/google/woff2 tools by Google have the ability to convert an OpenType Collection into a WOFF2 Collection and vice-versa. The only quirk that I found is that when you execute woff2_decompress to convert a WOFF2 Collection back into an OpenType Collection, its filename extension is ttf, not ttc. I was impressed.
Black_Joker
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Re: Woff 2 font with font collection inside

Post by Black_Joker »

I tested with 2 font collections I have and both failed.

Can you please say what I am doing wrong here?
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lunde
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Re: Woff 2 font with font collection inside

Post by lunde »

While it took 25 minutes on my MacBook Air (2019 with 16GB of memory), I successfully converted the 400MB 216-font Source Han / Noto CJK Ultra OTC into a WOFF2 Collection. My only guess is that you are facing a memory-related issue. What is the footprint of ASANA.ttc? If it is large, you may try the smallest TTC you can find.
Black_Joker
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Re: Woff 2 font with font collection inside

Post by Black_Joker »

@lunde
May be it will be easier if you share your woff2 fonts converted from TTC files somewhere? Dropbox, One Drive, etc.
Black_Joker
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Re: Woff 2 font with font collection inside

Post by Black_Joker »

Thanls a lot!!! Will test my parser with these files.
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