Topic: remove kerning pair • RoboFont

This topic contains 5 replies, has 3 voices, and was last updated by jo 6 years, 2 months ago.

Viewing 6 posts - 1 through 6 (of 6 total)

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July 19, 2014 at 19:27 #5923

jo
Participant

hello, i see there is the method “kerning.remove(pair)” and i thought it will delete the kerning pair but in fact it just sets the value to zero and keeps the pair.
is that intended that way? if yes what would be a good way to remove a kerning pair with a script?

thanks. jo

July 23, 2014 at 22:08 #5926

frederik
Keymaster

Hi

this is the default behavior

see https://github.com/robofab-developers/robofab/blob/master/Lib/robofab/objects/objectsBase.py#L3155-L3157

In not sure why….

July 23, 2014 at 23:01 #5927
frederik
Keymaster
but
```
del font.kerning[pair]
```
should work :)
July 25, 2014 at 22:34 #5929

jo
Participant

setting to zero with remove seems a bit strange but thanks a lot for the help.
i tried del before, but I guess I did something wrong, since it did not work.
not it worked just fine.
thanks! j

July 28, 2014 at 09:21 #5933

Jens K.
Participant

Setting a kern pair to zero in fact deletes it: https://github.com/robofab-developers/robofab/blob/master/Lib/robofab/objects/objectsBase.py#L3119-L3121

I can think of at least one case in which you would want to differentiate between a value of 0 and a nonexisting kern value, which is when the kerning pair is an exception to a class pair.

July 29, 2014 at 20:46 #5934

jo
Participant

hello jens, thanks for your help.
in fact your example is what “happened” in my case.
I did some very quick kerning without groups. Later on I replaced the single letters of the pairs with groups through a script. I also wanted to remove the original pair but the zero value was “overwriting” the group value.
so i guess it could work with kerning update etc but the “del” way worked just fine.
cheers, jo
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