kern down?

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NinnaD
Posts: 200
Joined: Mon Feb 15, 2021 8:06 pm

kern down?

Post by NinnaD »

So I've been experimenting with various features & settings and came across this:
kern.png
kern.png (110.81 KiB) Viewed 1507 times
I know I'm probably doing sth wrong, but is there a reason why 2nd, 3rd, and 4th i's are also shifted down, then 5th is level, and 6th is back up again? Without the 2nd kerning pair, all is level:
kern_2.png
kern_2.png (7.3 KiB) Viewed 1507 times
Sorry to bother y'all, but I'm trying to understand the mechanism.
Erwin Denissen
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Re: kern down?

Post by Erwin Denissen »

That looks strange to me as well. Maybe our layout engine is failing here, so do send us the font project file and we'll look into it.
Erwin Denissen
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Erwin Denissen
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Re: kern down?

Post by Erwin Denissen »

I have looked into the issue and I think it might be due to a shaping engine timeout, as it takes too long to render it all.

Does it work as expected if you use a shorter text string for the preview?
Erwin Denissen
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NinnaD
Posts: 200
Joined: Mon Feb 15, 2021 8:06 pm

Re: kern down?

Post by NinnaD »

Actually, it works with the long text I sent you just fine when I delete the 2nd kerning pair from the list:
kern_3.png
kern_3.png (148.34 KiB) Viewed 1492 times
But it doesn't work with any text length *with* the 2nd kerning pair on the list:
kern_4.png
kern_4.png (13.75 KiB) Viewed 1492 times
{Kerning1 (kern) > PairAdjustment1_1 (2/2)}
Erwin Denissen
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Re: kern down?

Post by Erwin Denissen »

Oops, I was testing with the Latin script selected. Now I see what you mean.

FontCreator seems to align something vertically. We will look into it later this week.

In Word and in a web browser the kerning isn't working at all, unless you explicitly set the OT Class of overlinecomb to Base. But then you get different results, so maybe you are pushing the limits :roll:
Erwin Denissen
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NinnaD
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Re: kern down?

Post by NinnaD »

OK, thanks for letting me know. :twisted:
Erwin Denissen
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Re: kern down?

Post by Erwin Denissen »

The latest unofficial update we released earlier today also fixes this issue, but the change might have broken other features, so let us know if it all seems to work as expected.
Erwin Denissen
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NinnaD
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Joined: Mon Feb 15, 2021 8:06 pm

Re: kern down?

Post by NinnaD »

Thank you, will do.
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