WP_Duotone

40class WP_Duotone {41	/**42	 * Block names from global, theme, and custom styles that use duotone presets and the slug of43	 * the preset they are using.44	 *45	 * Example:46	 *  [47	 *      'core/featured-image' => 'blue-orange',48	 *       …49	 *  ]50	 *51	 * @internal52	 *53	 * @since 6.3.054	 *55	 * @var array56	 */57	private static $global_styles_block_names;58 59	/**60	 * An array of duotone filter data from global, theme, and custom presets.61	 *62	 * Example:63	 *  [64	 *      'wp-duotone-blue-orange' => [65	 *          'slug'  => 'blue-orange',66	 *          'colors' => [ '#0000ff', '#ffcc00' ],67	 *      ],68	 *      'wp-duotone-red-yellow' => [69	 *          'slug'   => 'red-yellow',70	 *          'colors' => [ '#cc0000', '#ffff33' ],71	 *      ],72	 *      …73	 *  ]74	 *75	 * @internal76	 *77	 * @since 6.3.078	 *79	 * @var array80	 */81	private static $global_styles_presets;82 83	/**84	 * All of the duotone filter data from presets for CSS custom properties on85	 * the page.86	 *87	 * Example:88	 *  [89	 *      'wp-duotone-blue-orange' => [90	 *          'slug'   => 'blue-orange',91	 *          'colors' => [ '#0000ff', '#ffcc00' ],92	 *      ],93	 *      …94	 *  ]95	 *96	 * @internal97	 *98	 * @since 6.3.099	 *100	 * @var array101	 */102	private static $used_global_styles_presets = array();103 104	/**105	 * All of the duotone filter data for SVGs on the page. Includes both106	 * presets and custom filters.107	 *108	 * Example:109	 *  [110	 *      'wp-duotone-blue-orange' => [111	 *          'slug'   => 'blue-orange',112	 *          'colors' => [ '#0000ff', '#ffcc00' ],113	 *      ],114	 *      'wp-duotone-000000-ffffff-2' => [115	 *          'slug'   => '000000-ffffff-2',116	 *          'colors' => [ '#000000', '#ffffff' ],117	 *      ],118	 *      …119	 *  ]