+<?php
+/**
+ * Implements a custom header for Twenty Thirteen.
+ * See http://codex.wordpress.org/Custom_Headers
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+/**
+ * Sets up the WordPress core custom header arguments and settings.
+ *
+ * @uses add_theme_support() to register support for 3.4 and up.
+ * @uses twentythirteen_header_style() to style front-end.
+ * @uses twentythirteen_admin_header_style() to style wp-admin form.
+ * @uses twentythirteen_admin_header_image() to add custom markup to wp-admin form.
+ * @uses register_default_headers() to set up the bundled header images.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_custom_header_setup() {
+ $args = array(
+ // Text color and image (empty to use none).
+ 'default-text-color' => '220e10',
+ 'default-image' => '%s/images/headers/circle.png',
+
+ // Set height and width, with a maximum value for the width.
+ 'height' => 230,
+ 'width' => 1600,
+
+ // Callbacks for styling the header and the admin preview.
+ 'wp-head-callback' => 'twentythirteen_header_style',
+ 'admin-head-callback' => 'twentythirteen_admin_header_style',
+ 'admin-preview-callback' => 'twentythirteen_admin_header_image',
+ );
+
+ add_theme_support( 'custom-header', $args );
+
+ /*
+ * Default custom headers packaged with the theme.
+ * %s is a placeholder for the theme template directory URI.
+ */
+ register_default_headers( array(
+ 'circle' => array(
+ 'url' => '%s/images/headers/circle.png',
+ 'thumbnail_url' => '%s/images/headers/circle-thumbnail.png',
+ 'description' => _x( 'Circle', 'header image description', 'twentythirteen' )
+ ),
+ 'diamond' => array(
+ 'url' => '%s/images/headers/diamond.png',
+ 'thumbnail_url' => '%s/images/headers/diamond-thumbnail.png',
+ 'description' => _x( 'Diamond', 'header image description', 'twentythirteen' )
+ ),
+ 'star' => array(
+ 'url' => '%s/images/headers/star.png',
+ 'thumbnail_url' => '%s/images/headers/star-thumbnail.png',
+ 'description' => _x( 'Star', 'header image description', 'twentythirteen' )
+ ),
+ ) );
+}
+add_action( 'after_setup_theme', 'twentythirteen_custom_header_setup' );
+
+/**
+ * Loads our special font CSS files.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_custom_header_fonts() {
+ // Add Open Sans and Bitter fonts.
+ wp_enqueue_style( 'twentythirteen-fonts', twentythirteen_fonts_url(), array(), null );
+
+ // Add Genericons font.
+ wp_enqueue_style( 'genericons', get_template_directory_uri() . '/fonts/genericons.css', array(), '2.09' );
+}
+add_action( 'admin_print_styles-appearance_page_custom-header', 'twentythirteen_custom_header_fonts' );
+
+/**
+ * Styles the header text displayed on the blog.
+ *
+ * get_header_textcolor() options: Hide text (returns 'blank'), or any hex value.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_header_style() {
+ $header_image = get_header_image();
+ $text_color = get_header_textcolor();
+
+ // If no custom options for text are set, let's bail.
+ if ( empty( $header_image ) && $text_color == get_theme_support( 'custom-header', 'default-text-color' ) )
+ return;
+
+ // If we get this far, we have custom styles.
+ ?>
+ <style type="text/css" id="twentythirteen-header-css">
+ <?php
+ if ( ! empty( $header_image ) ) :
+ ?>
+ .site-header {
+ background: url(<?php header_image(); ?>) no-repeat scroll top;
+ background-size: 1600px auto;
+ }
+ <?php
+ endif;
+
+ // Has the text been hidden?
+ if ( ! display_header_text() ) :
+ ?>
+ .site-title,
+ .site-description {
+ position: absolute;
+ clip: rect(1px 1px 1px 1px); /* IE7 */
+ clip: rect(1px, 1px, 1px, 1px);
+ }
+ <?php
+ if ( empty( $header_image ) ) :
+ ?>
+ .site-header .home-link {
+ min-height: 0;
+ }
+ <?php
+ endif;
+
+ // If the user has set a custom color for the text, use that.
+ elseif ( $text_color != get_theme_support( 'custom-header', 'default-text-color' ) ) :
+ ?>
+ .site-title,
+ .site-description {
+ color: #<?php echo esc_attr( $text_color ); ?>;
+ }
+ <?php endif; ?>
+ </style>
+ <?php
+}
+
+/**
+ * Styles the header image displayed on the Appearance > Header admin panel.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_admin_header_style() {
+ $header_image = get_header_image();
+?>
+ <style type="text/css" id="twentythirteen-admin-header-css">
+ .appearance_page_custom-header #headimg {
+ border: none;
+ -webkit-box-sizing: border-box;
+ -moz-box-sizing: border-box;
+ box-sizing: border-box;
+ <?php
+ if ( ! empty( $header_image ) ) {
+ echo 'background: url(' . esc_url( $header_image ) . ') no-repeat scroll top; background-size: 1600px auto;';
+ } ?>
+ padding: 0 20px;
+ }
+ #headimg .home-link {
+ -webkit-box-sizing: border-box;
+ -moz-box-sizing: border-box;
+ box-sizing: border-box;
+ margin: 0 auto;
+ max-width: 1040px;
+ <?php
+ if ( ! empty( $header_image ) || display_header_text() ) {
+ echo 'min-height: 230px;';
+ } ?>
+ width: 100%;
+ }
+ <?php if ( ! display_header_text() ) : ?>
+ #headimg h1,
+ #headimg h2 {
+ position: absolute !important;
+ clip: rect(1px 1px 1px 1px); /* IE7 */
+ clip: rect(1px, 1px, 1px, 1px);
+ }
+ <?php endif; ?>
+ #headimg h1 {
+ font: bold 60px/1 Bitter, Georgia, serif;
+ margin: 0;
+ padding: 58px 0 10px;
+ }
+ #headimg h1 a {
+ text-decoration: none;
+ }
+ #headimg h1 a:hover {
+ text-decoration: underline;
+ }
+ #headimg h2 {
+ font: 200 italic 24px "Source Sans Pro", Helvetica, sans-serif;
+ margin: 0;
+ text-shadow: none;
+ }
+ .default-header img {
+ max-width: 230px;
+ width: auto;
+ }
+ </style>
+<?php
+}
+
+/**
+ * Outputs markup to be displayed on the Appearance > Header admin panel.
+ * This callback overrides the default markup displayed there.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_admin_header_image() {
+ ?>
+ <div id="headimg" style="background: url(<?php header_image(); ?>) no-repeat scroll top; background-size: 1600px auto;">
+ <?php $style = ' style="color:#' . get_header_textcolor() . ';"'; ?>
+ <div class="home-link">
+ <h1 class="displaying-header-text"><a id="name"<?php echo $style; ?> onclick="return false;" href="#"><?php bloginfo( 'name' ); ?></a></h1>
+ <h2 id="desc" class="displaying-header-text"<?php echo $style; ?>><?php bloginfo( 'description' ); ?></h2>
+ </div>
+ </div>
+<?php }
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