Relocate the upload of font files uploaded via the Font Library feature to the `wp-content/uploads/fonts` (or multisite equivalent) directory.
This accounts for immutable file systems in which directories are unable to be created within `wp-content` and deploy processes which require special consideration of the `uploads` directory to ensure it remains persistent between deploys.
Props azaozz, burnuser, cbirdsong, christopherplus, costdev, davidbaumwald, desrosj, elrae, euthelup, get_dave, grantmkin, hellofromtonya, janthiel, jazzs3quence, johnbillion, jorbin, justlevine, kraftner, matveb, mcsf, mmaattiiaass, nico23, peterwilsoncc, priethor, rmccue, samuelsidler, swissspidy, youknowriad.
Fixes#60845.
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This modifies the font directory API to more closely reflect the upload directory API to help account for naive filtering when uploading fonts.
This moves the protection of infinite loops to the new function `_wp_filter_font_directory()` to allow developers extending and maintaining the font library to apply the filter without the need for a closure.
These changes also ensure both the `upload_dir` and `font_dir` filter are applied consistently when both creating and deleting fonts faces. Prior to this commit the `upload_dir` filter was only fired when creating fonts faces via the REST API.
Applying the font directory filter to the `upload_dir` filter is now done by adding the `_wp_filter_font_directory` function rather than `wp_get_font_dir()`. Developers who have previously modified the font upload directory using the `font_dir` filter will NOT need to upload their code.
Extenders wishing to upload files to the font directory can do so via the code:
{{{#!php
<?php
add_filter( 'upload_dir', '_wp_filter_font_directory' );
// Your code to upload or sideload a font file.
remove_filter( 'upload_dir', '_wp_filter_font_directory' );
}}}
Introduces:
* `wp_font_dir()`: Attempt to create and retrieve the font upload directory. The equivalent to `wp_upload_dir()`.
* `_wp_filter_font_directory()`: To run on the `upload_dir` filter, this sets the default destination of the fonts directory and fires the `font_dir` filter.
`wp_get_font_dir()` has been modified to be a lightweight getter for the font directory. It returns the location without attempting to create it. The equivalent to `wp_get_upload_dir()`.
Follow up to [57740].
Props peterwilsoncc, mukesh27, mikachan, costdev, mmaattiiaass, swissspidy, youknowriad, dd32, grantmkin.
Fixes#60652.
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Changing the font library is something we expect hosts to perform.
It's important that we make this filter as seemless as possible.
This commit prevents a potential infinite loop caused by calling wp_get_upload_dir() within the font_dir filter.
Props mmaattiiaass, ironprogrammer, costdev, swissspidy.
Fixes#60652.
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This commit updates the theme.json style generation to allow a font family name to be repeated across theme.json origins (default, theme, custom).
Props mmaattiiaass, hellofromtonya, arthur791004, ironprogrammer.
Fixes#60605.
Built from https://develop.svn.wordpress.org/trunk@57720
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Updates `wp_register_font_collection()` and `WP_Font_Collection` so that only font families can be loaded from a file or URL.
All metadata, such as name, description, and list of font categories, needs to be passed directly in PHP so that it can be properly localized.
Props swissspidy, mmaattiiaass, grantmkin, youknowriad.
Fixes#60509.
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This is the first step towards adding the font library to WordPress.
This commit includes the font library and font face CPTs.
It also adds the necessary APIs and classes to register and manipulate font collections.
This PR backports the font library post types and low level APIs to Core. This is the first step to include the font library entirely into Core. Once this merged, we'll open a PR with the necessary REST API controllers.
Props youknowriad, get_dave, grantmkin, swissspidy, hellofromtonya, mukesh27, mcsf.
See #59166.
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The static instance of `WP_Font_Face` is not needed. It was an unnecessary carryover from the experimental Fonts API (which was not introduced into Core).
Whereas the Fonts API needed to persist its data (i.e. to maintain the registered and enqueued fonts throughout the web request), Font Face does not have data to persist.
Font Face processes the fonts it receives when `WP_Font_Face::generate_and_print( $fonts )` is invoked. Thus, a singleton is not needed.
Removing the static reduces the amount of the code in the function and eliminates running its tests in separate processes to ensure a different instance is always used.
References:
* [https://github.com/WordPress/gutenberg/pull/54228 Gutenberg PR 54228].
Follow-up to [56500].
Props hellofromTonya, costdev.
Fixes#59165.
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Introducing Font Face, a server-side `@font-face` styles generator and printer.
tl;dr:
* Introduces Font Face.
* Deprecates `_wp_theme_json_webfonts_handler()`.
**Introduce Font Face**
From an array of fonts (i.e. each font-family and its font variations to be processed), it:
1. Validates each `font-face` declaration, i.e. the CSS property and value pairing. If validation fails, processing stops with no font-face styles printed.
3. Generates the `@font-face` CSS for each font-family.
4. Prints the CSS within a `<style id="wp-fonts-local">` element.
The entry point into Font Face is through a new global function called `wp_print_font_faces()`, which is automatically called:
* when the `'wp_head'` hook runs (for the front-end).
* when the `'admin_print_styles'` hook runs (for the back-end).
* when `_wp_get_iframed_editor_assets()` runs to inject the `@font-face` styles into the iframed editor.
Once called, it gets the fonts from Theme_JSON merged data layer, which includes theme defined fonts and user activated fonts (once the Font Library #59166 is introduced into Core).
For classic sites, themes and plugins can directly call `wp_print_font_faces()` and pass their fonts array to it for processing.
**Deprecates `_wp_theme_json_webfonts_handler()`.**
As Font Face is a direct replacement, the stopgap code in `_wp_theme_json_webfonts_handler()` (introduced in 6.0.0 via [53282]) is deprecated and unused in Core.
**Props note:**
There's a long multiple year history baked into Font Face, which dates back to the early versions of a web font API (see #46370 and [https://github.com/WordPress/gutenberg/issues/41479 roadmap]. The props list includes those who contributed from those early versions up to this commit.
**References:**
* #46370 original (Web)Fonts API proposal for registering and enqueuing web fonts.
* [https://github.com/WordPress/gutenberg/issues/41479 Gutenberg tracking issue] which includes the evolution from Webfonts API to Fonts API to Font Face.
* [53282] / #55567 Added the stopgap code `_wp_theme_json_webfonts_handler()` in 6.0.
* [https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face @font-face on mdn web docs]
* #59166 Font Library: Font manager for WordPress
Follow-up to [53282].
Props aristath, jonoaldersonwp, hellofromTonya, andraganescu, annezazu, antonvlasenko, arena, askdesign, azaozz, bph, bradley2083, colorful-tones, costdev, davidbaumwald, desrosj, dingo_d, djcowan, domainsupport, dryanpress, elmastudio, flixos90, francina, garrett-eclipse, gigitux, grantmkin, grapplerulrich, gziolo, ironprogrammer, jb510, jeffpaul, jeremyyip, jffng, joostdevalk, jorgefilipecosta, juanmaguitar, mamaduka, matveb, mburridge, mitogh, ndiego, ntsekouras, oandregal, ocean90, oglekler, paaljoachim, pagelab, peterwilsoncc, poena, priethor, scruffian, SergeyBiryukov, shiloey, simison, skorasaurus, soean, westonruter, wildworks, zaguiini.
Fixes#59165.
Built from https://develop.svn.wordpress.org/trunk@56500
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Andrew Ozz
Peter Wilson
Pascal Birchler
youknowriad
hellofromTonya