Edit File: duotone.php
<?php /** * Duotone block support flag. * * Parts of this source were derived and modified from TinyColor, * released under the MIT license. * * https://github.com/bgrins/TinyColor * * Copyright (c), Brian Grinstead, http://briangrinstead.com * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * @package WordPress * @since 5.8.0 */ // Register the block support. WP_Block_Supports::get_instance()->register( 'duotone', array( 'register_attribute' => array( 'WP_Duotone', 'register_duotone_support' ), ) ); // Add classnames to blocks using duotone support. add_filter( 'render_block', array( 'WP_Duotone', 'render_duotone_support' ), 10, 3 ); add_filter( 'render_block_core/image', array( 'WP_Duotone', 'restore_image_outer_container' ), 10, 1 ); // Enqueue styles. // Block styles (core-block-supports-inline-css) before the style engine (wp_enqueue_stored_styles). // Global styles (global-styles-inline-css) after the other global styles (wp_enqueue_global_styles). add_action( 'wp_enqueue_scripts', array( 'WP_Duotone', 'output_block_styles' ), 9 ); add_action( 'wp_enqueue_scripts', array( 'WP_Duotone', 'output_global_styles' ), 11 ); // Add SVG filters to the footer. Also, for classic themes, output block styles (core-block-supports-inline-css). add_action( 'wp_footer', array( 'WP_Duotone', 'output_footer_assets' ), 10 ); // Add styles and SVGs for use in the editor via the EditorStyles component. add_filter( 'block_editor_settings_all', array( 'WP_Duotone', 'add_editor_settings' ), 10 ); // Migrate the old experimental duotone support flag. add_filter( 'block_type_metadata_settings', array( 'WP_Duotone', 'migrate_experimental_duotone_support_flag' ), 10, 2 );