Re: Trouble generating Bravura Text / submitting to Bravura

Thanks for getting in touch, Douglas.

The issue with WOFF2 fonts not having the correct font tables to make the combining positions work properly is an open issue in Bravura’s GitHub repository, issue #25. I’ve not yet had a chance to look into this, but my suspicion is that it’s a tooling issue: I use a tool called FontPlop to convert the OTF produced by FontLab into EOT, WOFF and WOFF2.

If any community group members who are expert in converting fonts into web-friendly formats have any suggestions for alternative tools that would produce better results, I’d love to hear them.

But to answer the perhaps most pressing issue: if you would like to contribute updated versions of the Sagittal accidentals to Bravura, that’s great, and I’d certainly be interested to take a look at them. Since this is really a Bravura issue rather than strictly speaking a SMuFL one, I suggest you open an issue in the Bravura repository and we can take it from there:

https://www.github.com/steinbergmedia/bravura

All the best,

Daniel

From: Douglas Blumeyer <douglas.blumeyer@gmail.com>
Date: Tuesday, 28 April 2020 at 22:23
To: "public-music-notation-contrib@w3.org" <public-music-notation-contrib@w3.org>
Subject: Trouble generating Bravura Text / submitting to Bravura
Resent from: <public-music-notation-contrib@w3.org>
Resent date: Tuesday, 28 April 2020 at 22:22

Hello,

I am a new member here. Thank you all in advance for being patient with me as I ramp up.

I have searched the archives already (including the older archives on Nabble) but haven't found what I'm looking for yet.

This is my situation: I am a volunteer contributor to the Sagittal microtonal music notation system (http://sagittal.org/). I am working on submitting both new and updated Sagittal glyphs to Steinberg via an updated Bravura font. Before I finalize my submission, however, I want to ensure that the vertical positioning of my glyphs is just right with respect to staff lines. I am familiar with Bravura Text's ligatures using combining staff position characters (https://www.w3.org/2019/03/smufl13/tables/combining-staff-positions.html). However I am unable to generate new versions of Bravura Text using leading font editing software such as FontForge and FontLab; even without making any changes to Bravura Text, exporting or generating the font leads to invalid files (unable to be installed) which have much larger file sizes than they should. I am able to export/generate new versions of Bravura just fine; it is only Bravura Text which I cannot create new versions of. Bravura does not give the ability to test the combining staff position ligatures to be able to test my new and updated glyph's vertical positioning, which is why I need to be able to copy my new and updated glyphs over from Bravura into Bravura Text.

So questions related to this situation are:
1) Is there a better way (than creating a new version of Bravura Text) to confirm whether my new and updated glyphs will have the correct vertical positioning relative to the staff lines? Am I missing something fundamental about how to contribute to Bravura?
2) If not, has anyone else had this kind of technical trouble generating new versions of Bravura Text?

On a related note, the ligatures for Bravura Text do not work for me with the web font versions. The .woff file included in the GitHub release includes the ligature glyphs, however the lookup tables mapping the pairs of code points to these ligature glyphs are missing. I thought it might be as easy as restoring the ligature lookup tables, but my attempts were inconclusive -- again, because I cannot generate new versions of the Bravura Text font using the font editing software applications I have tried, whether through their UI's or their scripting tools. I suspect, given how elaborate the installation process for Bravura and Bravura Text is, that something more complex is happening in these fonts that I don't know enough about yet to account for.

Thank you again for your patience and for any guidance you can provide me.

Best,
Douglas Blumeyer

Product Marketing Manager
Phone: +44 20 3696 1811

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