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Re: [Pkg-fonts-devel] location of woff files

On 05/31/2017 12:17 PM, Fabian Greffrath wrote:
> Nicolas Spalinger wrote:
>> BTW I do appreciate all the work you have done in this team :-)
> Thank you very much! :)


>> I would simply like to point out what the official W3C WOFF spec says in
>> https://www.w3.org/TR/WOFF/
> Thank you for sharing this! I wasn't even aware of the fact that WOFF
> fonts are not meant to get exposed to general applications *by
> specification*. This changes things a lot...
>> Do we really expect every font to come with its own fontconfig snippet?
> No. In the light of this new information, I changed my mind and believe we
> should patch fontconfig (i.e. by adding a config snippet) to ignore fonts
> in WOFF/WOFF2 format altogether. I'd rather prefer to do this based on the
> actual fontformat property, but fontconfig seems to recognize WOFF files
> as "TrueType" (at least on the system that I currently have access to).
> Thus, we would have to filter out these fonts based on their file system
> path (or does <glob>*.woff</glob> work?), which is a bit ugly, but should
> be trivial to implement.
> Until this is done, I'd prefer if we could refrain from packaging WOFF
> fonts at all.

Great. It seems a glob works:

On a sid test instance I just installed a few of the packages which currently ship woff files in /usr/share/fonts/woff

root@sid:/usr/share/fonts/woff# tree
|-- andika
|   `-- Andika-R.woff
|-- andikanewbasic
|   |-- AndikaNewBasic-B.woff
|   |-- AndikaNewBasic-BI.woff
|   |-- AndikaNewBasic-I.woff
|   `-- AndikaNewBasic-R.woff
|-- annapurna
|   |-- AnnapurnaSIL-B.woff
|   `-- AnnapurnaSIL-R.woff
|-- charis
|   |-- CharisSIL-B.woff
|   |-- CharisSIL-BI.woff
|   |-- CharisSIL-I.woff
|   `-- CharisSIL-R.woff
|-- fantasque-sans
|   |-- FantasqueSans.woff
|   |-- FantasqueSansMono-Bold.woff
|   |-- FantasqueSansMono-BoldItalic.woff
|   |-- FantasqueSansMono-Italic.woff
|   `-- FantasqueSansMono-Regular.woff
`-- roboto-fontface
    |-- Roboto-Black.woff
    |-- Roboto-Black.woff2
    |-- Roboto-BlackItalic.woff
    |-- Roboto-BlackItalic.woff2
    |-- Roboto-Bold.woff
    |-- Roboto-Bold.woff2
    |-- Roboto-BoldItalic.woff
    |-- Roboto-BoldItalic.woff2
    |-- Roboto-Light.woff
    |-- Roboto-Light.woff2
    |-- Roboto-LightItalic.woff
    |-- Roboto-LightItalic.woff2
    |-- Roboto-Medium.woff
    |-- Roboto-Medium.woff2
    |-- Roboto-MediumItalic.woff
    |-- Roboto-MediumItalic.woff2
    |-- Roboto-Regular.woff
    |-- Roboto-Regular.woff2
    |-- Roboto-RegularItalic.woff
    |-- Roboto-RegularItalic.woff2
    |-- Roboto-Thin.woff
    |-- Roboto-Thin.woff2
    |-- Roboto-ThinItalic.woff
    `-- Roboto-ThinItalic.woff2

6 directories, 40 files

Then I put the following snippet in /etc/fonts/conf.d/70-no-woffs.conf 

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<!-- Reject WOFF fonts
We don't register WOFF(2) fonts with fontconfig because of the W3C spec -->

And doing a fontconfig query I get: 

root@sid:/usr/share/fonts/woff# fc-list 
/usr/share/fonts/truetype/fantasque-sans/FantasqueSansMono-BoldItalic.ttf: Fantasque Sans Mono:style=Bold Italic
/usr/share/fonts/truetype/dejavu/DejaVuSerif-Bold.ttf: DejaVu Serif:style=Bold
/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf: DejaVu Sans Mono:style=Book
/usr/share/fonts/opentype/andika/Andika-R.ttf: Andika:style=Regular
/usr/share/fonts/opentype/charis/CharisSIL-BI.ttf: Charis SIL:style=Bold Italic
/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf: DejaVu Sans:style=Book
/usr/share/fonts/truetype/fantasque-sans/FantasqueSansMono-Italic.ttf: Fantasque Sans Mono:style=Italic
/usr/share/fonts/opentype/andikanewbasic/AndikaNewBasic-R.ttf: Andika New Basic:style=Regular
/usr/share/fonts/truetype/roboto-fontface/Roboto-Regular.ttf: RobotoRegular:style=Regular
/usr/share/fonts/truetype/roboto-fontface/Roboto-Light.ttf: Roboto,RobotoLight:style=Light,Regular
/usr/share/fonts/truetype/roboto-fontface/Roboto-Medium.ttf: Roboto,RobotoMedium:style=Medium,Regular
/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf: DejaVu Sans:style=Bold
/usr/share/fonts/truetype/roboto-fontface/Roboto-Black.ttf: Roboto,RobotoBlack:style=Black,Regular
/usr/share/fonts/opentype/charis/CharisSIL-B.ttf: Charis SIL:style=Bold
/usr/share/fonts/opentype/andikanewbasic/AndikaNewBasic-I.ttf: Andika New Basic:style=Italic
/usr/share/fonts/truetype/roboto-fontface/Roboto-BlackItalic.ttf: Roboto,RobotoBlackItalic:style=Black Italic,Italic
/usr/share/fonts/truetype/fantasque-sans/FantasqueSans.ttf: FantasqueSans:style=Medium
/usr/share/fonts/truetype/roboto-fontface/Roboto-Thin.ttf: Roboto,RobotoThin:style=Thin,Regular
/usr/share/fonts/truetype/roboto-fontface/Roboto-Bold.ttf: RobotoBold:style=Bold
/usr/share/fonts/truetype/roboto-fontface/Roboto-RegularItalic.ttf: RobotoItalic:style=Italic
/usr/share/fonts/truetype/dejavu/DejaVuSansMono-Bold.ttf: DejaVu Sans Mono:style=Bold
/usr/share/fonts/truetype/roboto-fontface/Roboto-BoldItalic.ttf: RobotoBoldItalic:style=Bold Italic
/usr/share/fonts/opentype/andikanewbasic/AndikaNewBasic-BI.ttf: Andika New Basic:style=Bold Italic
/usr/share/fonts/opentype/charis/CharisSIL-I.ttf: Charis SIL:style=Italic
/usr/share/fonts/opentype/annapurna/AnnapurnaSIL-R.ttf: Annapurna SIL:style=Regular
/usr/share/fonts/opentype/annapurna/AnnapurnaSIL-B.ttf: Annapurna SIL:style=Bold
/usr/share/fonts/truetype/roboto-fontface/Roboto-LightItalic.ttf: Roboto,RobotoLightItalic:style=Light Italic,Italic
/usr/share/fonts/truetype/roboto-fontface/Roboto-ThinItalic.ttf: Roboto,RobotoThinItalic:style=Thin Italic,Italic
/usr/share/fonts/opentype/charis/CharisSIL-R.ttf: Charis SIL:style=Regular
/usr/share/fonts/truetype/roboto-fontface/Roboto-MediumItalic.ttf: Roboto,RobotoMediumItalic:style=Medium Italic,Italic
/usr/share/fonts/truetype/fantasque-sans/FantasqueSansMono-Bold.ttf: Fantasque Sans Mono:style=Bold
/usr/share/fonts/truetype/fantasque-sans/FantasqueSansMono-Regular.ttf: Fantasque Sans Mono:style=Regular
/usr/share/fonts/truetype/dejavu/DejaVuSerif.ttf: DejaVu Serif:style=Book
/usr/share/fonts/opentype/andikanewbasic/AndikaNewBasic-B.ttf: Andika New Basic:style=Bold

So I think you solution works well. Thanks. 

> The actual change should be a simple patch against the fontconfig package.
> I am not sure, though, if this will qualify as a last-minute freeze
> breaking change? NB: the fontconfig package seeme to be maintained by NMUs
> most recently, maybe we should kindly ask to adopt it for the pkg-fonts
> team?
> Cheers,
>  - Fabian



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