<?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 );