Diacritics positioning problem

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Carmen Tani's picture
Joined: 12 Jun 2017 - 11:00am
Diacritics positioning problem

Diacritics positioning problem


I am relatively new to fontlab or any similar program. I have a problem with Myriad Pro font. I am trying to move the position of diacritics with anchor marks. In font lab everything works and in the preview box everything seems to be ok. But if I export font (generate font) then nothing changes (the diacritical marks position is the same as before).

As I have to be based on a certain custom keyboard I am using a certain diacritic mark (combining acute accent U+0301). So as Myriad Pro doesn’t have this character so I created it based on a similar character.

I also moved these anchor points in Arial and saved the changed font but it still didn’t work.

I have tried these changes in indesign and also in pages. To create this character I am using dead key+letter (dead key=U+0301).

Thank you so much for your help!

Thomas Phinney's picture
Joined: 3 Sep 2002 - 11:00am

My colleague Alex Petrov at FontLab wrote something but it hasn't posted:
As I understood you created "virtual" composites using anchors and new u+0301 mark but you did not expand these composites into real glyphs with components: bacute, dacute etc. Right? So when you type "dead key" + "b" you get your u+0301 mark at the same "zero" position where it was drawn. Anchors do nor work in this case because they are not saved or exported into the font. There are two possible ways to go further:
1. you use your anchors to create all possible composites: bacute, dacute, etc. so that they explicitly exist in the font like aacute, eacute, oacute. In this case you will rather need some OpenType feature (such as 'ccmp') to substitute "b" + "u0301" with "bacute" etc.
2. or you can forget about anchors and simply move contour ' in your u+0301 glyph to where you need it. Surely in this case it will appear at the same position over every subsequent character.

FontLab VI will support "mark" and "mkmk" OpenType features (fonts such as Arial use them widely) so there will be more possibilities soon with FontLab.

Alex Petrov

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Joined: 15 Jul 2017 - 2:33am

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