get_header_image(),
'thumbnail_url' => get_header_image(),
'width' => HEADER_IMAGE_WIDTH,
'height' => HEADER_IMAGE_HEIGHT
);
}
}
/**
* Setup the WordPress core custom header arguments and settings.
*
* Use add_theme_support() to register support for WordPress 3.4+
* as well as provide backward compatibility for previous versions.
*
* Use feature detection of wp_get_theme() which was introduced
* in WordPress 3.4.
*
* @uses twentytwelve_header_style()
* @uses twentytwelve_admin_header_style()
* @uses twentytwelve_admin_header_image()
*
* @package Twenty_Twelve
*/
function twentytwelve_custom_header_setup() {
$args = array(
// Text color and image (empty to use none).
'default-text-color' => '444',
'default-image' => '',
// Set height and width, with a maximum value for the width.
'height' => 250,
'width' => 960,
'max-width' => 2000,
// Support flexible height and width.
'flex-height' => true,
'flex-width' => true,
// Random image rotation off by default.
'random-default' => false,
// Callbacks for styling the header and the admin preview.
'wp-head-callback' => 'twentytwelve_header_style',
'admin-head-callback' => 'twentytwelve_admin_header_style',
'admin-preview-callback' => 'twentytwelve_admin_header_image',
);
// Allow child themes to filter any of these arguments.
$args = apply_filters( 'twentytwelve_custom_header_args', $args );
if ( function_exists( 'wp_get_theme' ) ) {
add_theme_support( 'custom-header', $args );
} else {
// Back compat for < 3.4 versions.
define( 'HEADER_TEXTCOLOR', $args['default-text-color'] );
define( 'HEADER_IMAGE', $args['default-image'] );
define( 'HEADER_IMAGE_WIDTH', $args['width'] );
define( 'HEADER_IMAGE_HEIGHT', $args['height'] );
add_custom_image_header( $args['wp-head-callback'], $args['admin-head-callback'], $args['admin-preview-callback'] );
}
}
add_action( 'after_setup_theme', 'twentytwelve_custom_header_setup' );
/**
* Styles the header text displayed on the blog.
*
* get_header_textcolor() options: 444 is default, hide text (returns 'blank'), or any hex value.
*
* @since Twenty Twelve 1.0
*/
function twentytwelve_header_style() {
$text_color = get_header_textcolor();
// If no custom options for text are set, let's bail
if ( $text_color == get_theme_support( 'custom-header', 'default-text-color' ) )
return;
// If we get this far, we have custom styles.
?>
Header admin panel.
*
* @since Twenty Twelve 1.0
*/
function twentytwelve_admin_header_style() {
?>
Header admin panel.
*
* @since Twenty Twelve 1.0
*/
function twentytwelve_admin_header_image() {
?>