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Source code

function twentyten_setup() {



	// This theme styles the visual editor with editor-style.css to match the theme style.

	add_editor_style();



	// Post Format support. You can also use the legacy "gallery" or "asides" (note the plural) categories.

	add_theme_support( 'post-formats', array( 'aside', 'gallery' ) );



	// This theme uses post thumbnails

	add_theme_support( 'post-thumbnails' );



	// Add default posts and comments RSS feed links to head

	add_theme_support( 'automatic-feed-links' );



	// Make theme available for translation

	// Translations can be filed in the /languages/ directory

	load_theme_textdomain( 'twentyten', get_template_directory() . '/languages' );



	$locale = get_locale();

	$locale_file = get_template_directory() . "/languages/$locale.php";

	if ( is_readable( $locale_file ) )

		require_once( $locale_file );



	// This theme uses wp_nav_menu() in one location.

	register_nav_menus( array(

		'primary' => __( 'Primary Navigation', 'twentyten' ),

	) );



	// This theme allows users to set a custom background

	add_custom_background();



	// Your changeable header business starts here

	if ( ! defined( 'HEADER_TEXTCOLOR' ) )

		define( 'HEADER_TEXTCOLOR', '' );



	// No CSS, just IMG call. The %s is a placeholder for the theme template directory URI.

	if ( ! defined( 'HEADER_IMAGE' ) )

		define( 'HEADER_IMAGE', '%s/images/headers/path.jpg' );



	// The height and width of your custom header. You can hook into the theme's own filters to change these values.

	// Add a filter to twentyten_header_image_width and twentyten_header_image_height to change these values.

	define( 'HEADER_IMAGE_WIDTH', apply_filters( 'twentyten_header_image_width', 940 ) );

	define( 'HEADER_IMAGE_HEIGHT', apply_filters( 'twentyten_header_image_height', 198 ) );



	// We'll be using post thumbnails for custom header images on posts and pages.

	// We want them to be 940 pixels wide by 198 pixels tall.

	// Larger images will be auto-cropped to fit, smaller ones will be ignored. See header.php.

	set_post_thumbnail_size( HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT, true );



	// Don't support text inside the header image.

	if ( ! defined( 'NO_HEADER_TEXT' ) )

		define( 'NO_HEADER_TEXT', true );



	// Add a way for the custom header to be styled in the admin panel that controls

	// custom headers. See twentyten_admin_header_style(), below.

	add_custom_image_header( '', 'twentyten_admin_header_style' );



	// ... and thus ends the changeable header business.



	// Default custom headers packaged with the theme. %s is a placeholder for the theme template directory URI.

	register_default_headers( array(

		'berries' => array(

			'url' => '%s/images/headers/berries.jpg',

			'thumbnail_url' => '%s/images/headers/berries-thumbnail.jpg',

			/* translators: header image description */

			'description' => __( 'Berries', 'twentyten' )

		),

		'cherryblossom' => array(

			'url' => '%s/images/headers/cherryblossoms.jpg',

			'thumbnail_url' => '%s/images/headers/cherryblossoms-thumbnail.jpg',

			/* translators: header image description */

			'description' => __( 'Cherry Blossoms', 'twentyten' )

		),

		'concave' => array(

			'url' => '%s/images/headers/concave.jpg',

			'thumbnail_url' => '%s/images/headers/concave-thumbnail.jpg',

			/* translators: header image description */

			'description' => __( 'Concave', 'twentyten' )

		),

		'fern' => array(

			'url' => '%s/images/headers/fern.jpg',

			'thumbnail_url' => '%s/images/headers/fern-thumbnail.jpg',

			/* translators: header image description */

			'description' => __( 'Fern', 'twentyten' )

		),

		'forestfloor' => array(

			'url' => '%s/images/headers/forestfloor.jpg',

			'thumbnail_url' => '%s/images/headers/forestfloor-thumbnail.jpg',

			/* translators: header image description */

			'description' => __( 'Forest Floor', 'twentyten' )

		),

		'inkwell' => array(

			'url' => '%s/images/headers/inkwell.jpg',

			'thumbnail_url' => '%s/images/headers/inkwell-thumbnail.jpg',

			/* translators: header image description */

			'description' => __( 'Inkwell', 'twentyten' )

		),

		'path' => array(

			'url' => '%s/images/headers/path.jpg',

			'thumbnail_url' => '%s/images/headers/path-thumbnail.jpg',

			/* translators: header image description */

			'description' => __( 'Path', 'twentyten' )

		),

		'sunset' => array(

			'url' => '%s/images/headers/sunset.jpg',

			'thumbnail_url' => '%s/images/headers/sunset-thumbnail.jpg',

			/* translators: header image description */

			'description' => __( 'Sunset', 'twentyten' )

		)

	) );

}