<?php /** * Fonts functions. * * @package WordPress * @subpackage Fonts * @since 6.4.0 */ /** * Generates and prints font-face styles for given fonts or theme.json fonts. * * @since 6.4.0 * * @param array[][] $fonts { * Optional. The font-families and their font faces. Default empty array. * * @type array ...$0 { * An indexed or associative (keyed by font-family) array of font variations for this font-family. * Each font face has the following structure. * * @type array ...$0 { * The font face properties. * * @type string $font-family The font-family property. * @type string|string[] $src The URL(s) to each resource containing the font data. * @type string $font-style Optional. The font-style property. Default 'normal'. * @type string $font-weight Optional. The font-weight property. Default '400'. * @type string $font-display Optional. The font-display property. Default 'fallback'. * @type string $ascent-override Optional. The ascent-override property. * @type string $descent-override Optional. The descent-override property. * @type string $font-stretch Optional. The font-stretch property. * @type string $font-variant Optional. The font-variant property. * @type string $font-feature-settings Optional. The font-feature-settings property. * @type string $font-variation-settings Optional. The font-variation-settings property. * @type string $line-gap-override Optional. The line-gap-override property. * @type string $size-adjust Optional. The size-adjust property. * @type string $unicode-range Optional. The unicode-range property. * } * } * } */ function wp_print_font_faces( $fonts = array() ) { if ( empty( $fonts ) ) { $fonts = WP_Font_Face_Resolver::get_fonts_from_theme_json(); } if ( empty( $fonts ) ) { return; } $wp_font_face = new WP_Font_Face(); $wp_font_face->generate_and_print( $fonts ); } /** * Generates and prints font-face styles defined in the theme style variations. * * @since 6.7.0 * */ function wp_print_font_faces_from_style_variations() { $fonts = WP_Font_Face_Resolver::get_fonts_from_style_variations(); if ( empty( $fonts ) ) { return; } wp_print_font_faces( $fonts ); } /** * Registers a new font collection in the font library. * * See {@link https://schemas.wp.org/trunk/font-collection.json} for the schema * the font collection data must adhere to. * * @since 6.5.0 * * @param string $slug Font collection slug. May only contain alphanumeric characters, dashes, * and underscores. See sanitize_title(). * @param array $args { * Font collection data. * * @type string $name Required. Name of the font collection shown in the Font Library. * @type string $description Optional. A short descriptive summary of the font collection. Default empty. * @type array|string $font_families Required. Array of font family definitions that are in the collection, * or a string containing the path or URL to a JSON file containing the font collection. * @type array $categories Optional. Array of categories, each with a name and slug, that are used by the * fonts in the collection. Default empty. * } * @return WP_Font_Collection|WP_Error A font collection if it was registered * successfully, or WP_Error object on failure. */ function wp_register_font_collection( string $slug, array $args ) { return WP_Font_Library::get_instance()->register_font_collection( $slug, $args ); } /** * Unregisters a font collection from the Font Library. * * @since 6.5.0 * * @param string $slug Font collection slug. * @return bool True if the font collection was unregistered successfully, else false. */ function wp_unregister_font_collection( string $slug ) { return WP_Font_Library::get_instance()->unregister_font_collection( $slug ); } /** * Retrieves font uploads directory information. * * Same as wp_font_dir() but "light weight" as it doesn't attempt to create the font uploads directory. * Intended for use in themes, when only 'basedir' and 'baseurl' are needed, generally in all cases * when not uploading files. * * @since 6.5.0 * * @see wp_font_dir() * * @return array See wp_font_dir() for description. */ function wp_get_font_dir() { return wp_font_dir( false ); } /** * Returns an array containing the current fonts upload directory's path and URL. * * @since 6.5.0 * * @param bool $create_dir Optional. Whether to check and create the font uploads directory. Default true. * @return array { * Array of information about the font upload directory. * * @type string $path Base directory and subdirectory or full path to the fonts upload directory. * @type string $url Base URL and subdirectory or absolute URL to the fonts upload directory. * @type string $subdir Subdirectory * @type string $basedir Path without subdir. * @type string $baseurl URL path without subdir. * @type string|false $error False or error message. * } */ function wp_font_dir( $create_dir = true ) { /* * Allow extenders to manipulate the font directory consistently. * * Ensures the upload_dir filter is fired both when calling this function * directly and when the upload directory is filtered in the Font Face * REST API endpoint. */ add_filter( 'upload_dir', '_wp_filter_font_directory' ); $font_dir = wp_upload_dir( null, $create_dir, false ); remove_filter( 'upload_dir', '_wp_filter_font_directory' ); return $font_dir; } /** * A callback function for use in the {@see 'upload_dir'} filter. * * This function is intended for internal use only and should not be used by plugins and themes. * Use wp_get_font_dir() instead. * * @since 6.5.0 * @access private * * @param string $font_dir The font directory. * @return string The modified font directory. */ function _wp_filter_font_directory( $font_dir ) { if ( doing_filter( 'font_dir' ) ) { // Avoid an infinite loop. return $font_dir; } $font_dir = array( 'path' => untrailingslashit( $font_dir['basedir'] ) . '/fonts', 'url' => untrailingslashit( $font_dir['baseurl'] ) . '/fonts', 'subdir' => '', 'basedir' => untrailingslashit( $font_dir['basedir'] ) . '/fonts', 'baseurl' => untrailingslashit( $font_dir['baseurl'] ) . '/fonts', 'error' => false, ); /** * Filters the fonts directory data. * * This filter allows developers to modify the fonts directory data. * * @since 6.5.0 * * @param array $font_dir { * Array of information about the font upload directory. * * @type string $path Base directory and subdirectory or full path to the fonts upload directory. * @type string $url Base URL and subdirectory or absolute URL to the fonts upload directory. * @type string $subdir Subdirectory * @type string $basedir Path without subdir. * @type string $baseurl URL path without subdir. * @type string|false $error False or error message. * } */ return apply_filters( 'font_dir', $font_dir ); } /** * Deletes child font faces when a font family is deleted. * * @access private * @since 6.5.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ function _wp_after_delete_font_family( $post_id, $post ) { if ( 'wp_font_family' !== $post->post_type ) { return; } $font_faces_ids = get_children( array( 'post_parent' => $post_id, 'post_type' => 'wp_font_face', 'fields' => 'ids', ) ); foreach ( $font_faces_ids as $font_faces_id ) { wp_delete_post( $font_faces_id, true ); } } /** * Deletes associated font files when a font face is deleted. * * @access private * @since 6.5.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ function _wp_before_delete_font_face( $post_id, $post ) { if ( 'wp_font_face' !== $post->post_type ) { return; } $font_files = get_post_meta( $post_id, '_wp_font_face_file', false ); $font_dir = untrailingslashit( wp_get_font_dir()['basedir'] ); foreach ( $font_files as $font_file ) { wp_delete_file( $font_dir . '/' . $font_file ); } } /** * Register the default font collections. * * @access private * @since 6.5.0 */ function _wp_register_default_font_collections() { wp_register_font_collection( 'google-fonts', array( 'name' => _x( 'Google Fonts', 'font collection name' ), 'description' => __( 'Install from Google Fonts. Fonts are copied to and served from your site.' ), 'font_families' => 'https://s.w.org/images/fonts/wp-7.1/collections/google-fonts-with-preview.json', 'categories' => array( array( 'name' => _x( 'Sans Serif', 'font category' ), 'slug' => 'sans-serif', ), array( 'name' => _x( 'Display', 'font category' ), 'slug' => 'display', ), array( 'name' => _x( 'Serif', 'font category' ), 'slug' => 'serif', ), array( 'name' => _x( 'Handwriting', 'font category' ), 'slug' => 'handwriting', ), array( 'name' => _x( 'Monospace', 'font category' ), 'slug' => 'monospace', ), ), ) ); }