/**
 * Add term/default image to blog/archive pages. Use:
 * add_action( 'genesis_entry_content', 'display_featured_image_genesis_add_archive_thumbnails', 5 );
 * @return image If a post doesn't have its own thumbnail, you can use this function to add one to archive pages.
 *
 * @since  2.1.0
 */
function display_featured_image_genesis_add_archive_thumbnails()
{
    $show_thumbs = genesis_get_option('content_archive_thumbnail');
    if (is_singular() || is_admin() || is_404() || !$show_thumbs) {
        return;
    }
    $args = array('post_mime_type' => 'image', 'post_parent' => get_the_ID(), 'post_type' => 'attachment');
    $attached_images = get_children($args);
    if (has_post_thumbnail() || $attached_images) {
        return;
    }
    $image_id = display_featured_image_genesis_get_term_image_id();
    if (empty($image_id)) {
        $image_id = display_featured_image_genesis_get_cpt_image_id();
        if (empty($image_id)) {
            $image_id = display_featured_image_genesis_get_default_image_id();
        }
    }
    if (empty($image_id)) {
        return;
    }
    $image = genesis_get_image(array('fallback' => apply_filters('display_featured_image_genesis_fallback_archive_thumbnail', $image_id), 'size' => genesis_get_option('image_size'), 'attr' => genesis_parse_attr('entry-image', array('alt' => get_the_title())), 'context' => 'archive'));
    $permalink = get_permalink();
    printf('<a href="%1$s" aria-hidden="true">%2$s</a>', esc_url($permalink), wp_kses_post($image));
}
 /**
  * Echo the widget content.
  *
  * @since 2.0.0
  *
  *
  * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
  * @param array $instance The settings for the particular instance of the widget
  */
 function widget($args, $instance)
 {
     //* Merge with defaults
     $instance = wp_parse_args((array) $instance, $this->defaults);
     $post_type = get_post_type_object($instance['post_type']);
     $option = get_option('displayfeaturedimagegenesis');
     if ('post' === $instance['post_type']) {
         $frontpage = get_option('show_on_front');
         // either 'posts' or 'page'
         $postspage = get_option('page_for_posts');
         $postspage_image = get_post_thumbnail_id($postspage);
         $title = get_post($postspage)->post_title;
         $permalink = esc_url(get_the_permalink($postspage));
         if ('posts' === $frontpage || 'page' === $frontpage && !$postspage) {
             $postspage_image = display_featured_image_genesis_get_default_image_id();
             $title = get_bloginfo('name');
             $permalink = home_url();
         }
     } else {
         $title = $post_type->label;
         $permalink = esc_url(get_post_type_archive_link($instance['post_type']));
         if (post_type_supports($instance['post_type'], 'genesis-cpt-archives-settings')) {
             $headline = genesis_get_cpt_option('headline', $instance['post_type']);
             if (!empty($headline)) {
                 $title = $headline;
             }
         }
     }
     echo $args['before_widget'];
     if (!empty($instance['title'])) {
         echo $args['before_title'] . apply_filters('widget_title', $instance['title'], $instance, $this->id_base) . $args['after_title'];
     }
     $image = '';
     $image_id = 'post' === $instance['post_type'] ? $postspage_image : displayfeaturedimagegenesis_check_image_id($option['post_type'][$post_type->name]);
     $image_src = wp_get_attachment_image_src($image_id, $instance['image_size']);
     if ($image_src) {
         $image = '<img src="' . $image_src[0] . '" alt="' . $title . '" />';
     }
     if ($instance['show_image'] && $image) {
         $role = empty($instance['show_title']) ? '' : 'aria-hidden="true"';
         printf('<a href="%s" title="%s" class="%s" %s>%s</a>', esc_url($permalink), esc_html($title), esc_attr($instance['image_alignment']), esc_attr($role), $image);
     }
     if ($instance['show_title']) {
         if (!empty($instance['show_title'])) {
             $title_output = sprintf('<h2><a href="%s">%s</a></h2>', $permalink, esc_html($title));
             if (genesis_html5()) {
                 $title_output = sprintf('<h2 class="archive-title"><a href="%s">%s</a></h2>', $permalink, esc_html($title));
             }
             echo wp_kses_post($title_output);
         }
     }
     $intro_text = '';
     if (post_type_supports($instance['post_type'], 'genesis-cpt-archives-settings')) {
         $intro_text = genesis_get_cpt_option('intro_text', $instance['post_type']);
     } elseif ('post' === $instance['post_type']) {
         $intro_text = get_post($postspage)->post_excerpt;
         if ('posts' === $frontpage || 'page' === $frontpage && !$postspage) {
             $intro_text = get_bloginfo('description');
         }
     }
     if ($instance['show_content'] && $intro_text) {
         echo genesis_html5() ? '<div class="archive-description">' : '';
         $intro_text = apply_filters('display_featured_image_genesis_cpt_description', $intro_text);
         echo wp_kses_post(wpautop($intro_text));
         echo genesis_html5() ? '</div>' : '';
     }
     echo $args['after_widget'];
 }
 /**
  * set and retreive variables for the featured image.
  * @return $item
  *
  * @since  1.1.0
  */
 public static function get_image_variables()
 {
     $item = new stdClass();
     // variables internal to this function
     $displaysetting = get_option('displayfeaturedimagegenesis');
     $fallback = $displaysetting['default'];
     // url only
     // sitewide variables used outside this function
     $item->backstretch = '';
     // turn Photon off so we can get the correct image
     $photon_removed = '';
     if (class_exists('Jetpack') && Jetpack::is_module_active('photon')) {
         $photon_removed = remove_filter('image_downsize', array(Jetpack_Photon::instance(), 'filter_image_downsize'));
     }
     /**
      * create a filter for user to optionally force post types to use the large image instead of backstretch
      * @var filter
      *
      * @since  2.0.0
      */
     $use_large_image = apply_filters('display_featured_image_genesis_use_large_image', array());
     $image_size = 'displayfeaturedimage_backstretch';
     if (in_array(get_post_type(), $use_large_image)) {
         $image_size = 'large';
     }
     $image_id = self::set_image_id();
     $item->backstretch = wp_get_attachment_image_src($image_id, $image_size);
     // set a content variable so backstretch doesn't show if full size image exists in post.
     $item->content = '';
     // declare this last so that $item->backstretch is set.
     if (!is_admin() && is_singular()) {
         $fullsize = wp_get_attachment_image_src($image_id, 'full');
         $post = get_post();
         $item->content = strpos($post->post_content, 'src="' . $fullsize[0]);
         if (false !== $item->content) {
             $source_id = '';
             $term_image = display_featured_image_genesis_get_term_image_id();
             $default_image = display_featured_image_genesis_get_default_image_id();
             // reset backstretch image source to term image if it exists and the featured image is being used in content.
             if (!empty($term_image)) {
                 $source_id = $term_image;
             } elseif (!empty($fallback)) {
                 // else, reset backstretch image source to fallback.
                 $source_id = $default_image;
             }
             $item->backstretch = wp_get_attachment_image_src($source_id, $image_size);
             $item->content = strpos($post->post_content, 'src="' . $item->backstretch[0]);
         }
     }
     // turn Photon back on
     if ($photon_removed) {
         add_filter('image_downsize', array(Jetpack_Photon::instance(), 'filter_image_downsize'), 10, 3);
     }
     // $title is set by new title function
     $title = self::set_item_title();
     /**
      * Optional filter to change the title text
      * @since 2.2.0
      */
     $item->title = apply_filters('display_featured_image_genesis_title', $title);
     return $item;
 }
 /**
  * Check the post content for the featured image. If it's there (full size), reset the featured image to a fallback.
  * @param $image_id
  *
  * @return string
  * @since 2.5.0
  */
 static function singular_reset_image($image_id)
 {
     $fullsize = wp_get_attachment_image_src($image_id, 'full');
     $post = get_post(get_the_ID());
     $item_content = strpos($post->post_content, 'src="' . $fullsize[0]);
     if (false === $item_content) {
         return $image_id;
     }
     $term_image = display_featured_image_genesis_get_term_image_id();
     $default_image = display_featured_image_genesis_get_default_image_id();
     // reset backstretch image source to term image if it exists and the featured image is being used in content.
     if ($term_image) {
         $image_id = $term_image;
     } elseif ($default_image) {
         // else, reset backstretch image source to fallback.
         $image_id = $default_image;
     }
     return $image_id;
 }