278 lines
9.2 KiB
PHP
278 lines
9.2 KiB
PHP
<?php
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/**
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* Fonts functions.
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*
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* @package WordPress
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* @subpackage Fonts
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* @since 6.4.0
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*/
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/**
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* Generates and prints font-face styles for given fonts or theme.json fonts.
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*
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* @since 6.4.0
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*
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* @param array[][] $fonts {
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* Optional. The font-families and their font faces. Default empty array.
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*
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* @type array ...$0 {
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* An indexed or associative (keyed by font-family) array of font variations for this font-family.
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* Each font face has the following structure.
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*
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* @type array ...$0 {
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* The font face properties.
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*
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* @type string $font-family The font-family property.
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* @type string|string[] $src The URL(s) to each resource containing the font data.
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* @type string $font-style Optional. The font-style property. Default 'normal'.
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* @type string $font-weight Optional. The font-weight property. Default '400'.
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* @type string $font-display Optional. The font-display property. Default 'fallback'.
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* @type string $ascent-override Optional. The ascent-override property.
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* @type string $descent-override Optional. The descent-override property.
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* @type string $font-stretch Optional. The font-stretch property.
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* @type string $font-variant Optional. The font-variant property.
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* @type string $font-feature-settings Optional. The font-feature-settings property.
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* @type string $font-variation-settings Optional. The font-variation-settings property.
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* @type string $line-gap-override Optional. The line-gap-override property.
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* @type string $size-adjust Optional. The size-adjust property.
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* @type string $unicode-range Optional. The unicode-range property.
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* }
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* }
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* }
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*/
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function wp_print_font_faces( $fonts = array() ) {
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if ( empty( $fonts ) ) {
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$fonts = WP_Font_Face_Resolver::get_fonts_from_theme_json();
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}
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if ( empty( $fonts ) ) {
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return;
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}
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$wp_font_face = new WP_Font_Face();
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$wp_font_face->generate_and_print( $fonts );
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}
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/**
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* Registers a new font collection in the font library.
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*
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* See {@link https://schemas.wp.org/trunk/font-collection.json} for the schema
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* the font collection data must adhere to.
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*
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* @since 6.5.0
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*
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* @param string $slug Font collection slug. May only contain alphanumeric characters, dashes,
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* and underscores. See sanitize_title().
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* @param array $args {
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* Font collection data.
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*
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* @type string $name Required. Name of the font collection shown in the Font Library.
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* @type string $description Optional. A short descriptive summary of the font collection. Default empty.
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* @type array|string $font_families Required. Array of font family definitions that are in the collection,
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* or a string containing the path or URL to a JSON file containing the font collection.
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* @type array $categories Optional. Array of categories, each with a name and slug, that are used by the
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* fonts in the collection. Default empty.
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* }
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* @return WP_Font_Collection|WP_Error A font collection if it was registered
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* successfully, or WP_Error object on failure.
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*/
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function wp_register_font_collection( string $slug, array $args ) {
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return WP_Font_Library::get_instance()->register_font_collection( $slug, $args );
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}
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/**
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* Unregisters a font collection from the Font Library.
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*
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* @since 6.5.0
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*
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* @param string $slug Font collection slug.
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* @return bool True if the font collection was unregistered successfully, else false.
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*/
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function wp_unregister_font_collection( string $slug ) {
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return WP_Font_Library::get_instance()->unregister_font_collection( $slug );
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}
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/**
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* Retrieves font uploads directory information.
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*
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* Same as wp_font_dir() but "light weight" as it doesn't attempt to create the font uploads directory.
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* Intended for use in themes, when only 'basedir' and 'baseurl' are needed, generally in all cases
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* when not uploading files.
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*
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* @since 6.5.0
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*
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* @see wp_font_dir()
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*
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* @return array See wp_font_dir() for description.
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*/
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function wp_get_font_dir() {
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return wp_font_dir( false );
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}
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/**
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* Returns an array containing the current fonts upload directory's path and URL.
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*
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* @since 6.5.0
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*
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* @param bool $create_dir Optional. Whether to check and create the font uploads directory. Default true.
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* @return array {
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* Array of information about the font upload directory.
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*
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* @type string $path Base directory and subdirectory or full path to the fonts upload directory.
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* @type string $url Base URL and subdirectory or absolute URL to the fonts upload directory.
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* @type string $subdir Subdirectory
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* @type string $basedir Path without subdir.
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* @type string $baseurl URL path without subdir.
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* @type string|false $error False or error message.
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* }
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*/
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function wp_font_dir( $create_dir = true ) {
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/*
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* Allow extenders to manipulate the font directory consistently.
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*
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* Ensures the upload_dir filter is fired both when calling this function
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* directly and when the upload directory is filtered in the Font Face
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* REST API endpoint.
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*/
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add_filter( 'upload_dir', '_wp_filter_font_directory' );
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$font_dir = wp_upload_dir( null, $create_dir, false );
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remove_filter( 'upload_dir', '_wp_filter_font_directory' );
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return $font_dir;
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}
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/**
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* A callback function for use in the {@see 'upload_dir'} filter.
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*
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* This function is intended for internal use only and should not be used by plugins and themes.
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* Use wp_get_font_dir() instead.
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*
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* @since 6.5.0
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* @access private
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*
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* @param string $font_dir The font directory.
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* @return string The modified font directory.
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*/
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function _wp_filter_font_directory( $font_dir ) {
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if ( doing_filter( 'font_dir' ) ) {
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// Avoid an infinite loop.
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return $font_dir;
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}
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$font_dir = array(
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'path' => untrailingslashit( $font_dir['basedir'] ) . '/fonts',
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'url' => untrailingslashit( $font_dir['baseurl'] ) . '/fonts',
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'subdir' => '',
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'basedir' => untrailingslashit( $font_dir['basedir'] ) . '/fonts',
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'baseurl' => untrailingslashit( $font_dir['baseurl'] ) . '/fonts',
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'error' => false,
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);
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/**
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* Filters the fonts directory data.
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*
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* This filter allows developers to modify the fonts directory data.
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*
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* @since 6.5.0
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*
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* @param array $font_dir {
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* Array of information about the font upload directory.
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*
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* @type string $path Base directory and subdirectory or full path to the fonts upload directory.
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* @type string $url Base URL and subdirectory or absolute URL to the fonts upload directory.
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* @type string $subdir Subdirectory
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* @type string $basedir Path without subdir.
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* @type string $baseurl URL path without subdir.
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* @type string|false $error False or error message.
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* }
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*/
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return apply_filters( 'font_dir', $font_dir );
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}
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/**
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* Deletes child font faces when a font family is deleted.
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*
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* @access private
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* @since 6.5.0
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*
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* @param int $post_id Post ID.
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* @param WP_Post $post Post object.
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*/
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function _wp_after_delete_font_family( $post_id, $post ) {
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if ( 'wp_font_family' !== $post->post_type ) {
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return;
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}
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$font_faces = get_children(
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array(
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'post_parent' => $post_id,
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'post_type' => 'wp_font_face',
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)
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);
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foreach ( $font_faces as $font_face ) {
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wp_delete_post( $font_face->ID, true );
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}
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}
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/**
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* Deletes associated font files when a font face is deleted.
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*
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* @access private
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* @since 6.5.0
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*
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* @param int $post_id Post ID.
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* @param WP_Post $post Post object.
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*/
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function _wp_before_delete_font_face( $post_id, $post ) {
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if ( 'wp_font_face' !== $post->post_type ) {
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return;
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}
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$font_files = get_post_meta( $post_id, '_wp_font_face_file', false );
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$font_dir = wp_get_font_dir()['path'];
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foreach ( $font_files as $font_file ) {
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wp_delete_file( $font_dir . '/' . $font_file );
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}
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}
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/**
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* Register the default font collections.
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*
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* @access private
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* @since 6.5.0
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*/
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function _wp_register_default_font_collections() {
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wp_register_font_collection(
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'google-fonts',
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array(
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'name' => _x( 'Google Fonts', 'font collection name' ),
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'description' => __( 'Install from Google Fonts. Fonts are copied to and served from your site.' ),
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'font_families' => 'https://s.w.org/images/fonts/wp-6.5/collections/google-fonts-with-preview.json',
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'categories' => array(
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array(
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'name' => _x( 'Sans Serif', 'font category' ),
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'slug' => 'sans-serif',
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),
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array(
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'name' => _x( 'Display', 'font category' ),
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'slug' => 'display',
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),
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array(
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'name' => _x( 'Serif', 'font category' ),
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'slug' => 'serif',
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),
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array(
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'name' => _x( 'Handwriting', 'font category' ),
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'slug' => 'handwriting',
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),
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array(
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'name' => _x( 'Monospace', 'font category' ),
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'slug' => 'monospace',
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),
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),
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)
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);
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}
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