twentyfifteen_custom_header_setup()

15function twentyfifteen_custom_header_setup() {16	$color_scheme       = twentyfifteen_get_color_scheme();17	$default_text_color = trim( $color_scheme[4], '#' );18 19	add_theme_support(20		'custom-header',21		/**22		 * Filters Twenty Fifteen custom-header support arguments.23		 *24		 * @since Twenty Fifteen 1.025		 *26		 * @param array $args {27		 *     An array of custom-header support arguments.28		 *29		 *     @type string $default_text_color Default color of the header text.30		 *     @type int    $width              Width in pixels of the custom header image. Default 954.31		 *     @type int    $height             Height in pixels of the custom header image. Default 1300.32		 *     @type string $wp-head-callback   Callback function used to styles the header image and text33		 *                                      displayed on the blog.34		 * }35		 */36		apply_filters(37			'twentyfifteen_custom_header_args',38			array(39				'default-text-color' => $default_text_color,40				'width'              => 954,41				'height'             => 1300,42				'wp-head-callback'   => 'twentyfifteen_header_style',43			)44		)45	);46}