* License: GPLv2 * Description: Do things with a random image * Documentation: * Viewing a random image *
Visit /random_image/view *

Downloading a random image *
Link to /random_image/download. This will give * the raw data for an image (no HTML). This is useful so that you * can set your desktop wallpaper to be the download URL, refreshed * every couple of hours. *

Getting a random image from a subset *
Adding a slash and some search terms will get a random image * from those results. This can be useful if you want a specific size * of random image, or from a category. You could link to * /random_image/download/size:1024x768+cute */ class RandomImage implements Extension { var $theme; public function receive_event(Event $event) { if(is_null($this->theme)) $this->theme = get_theme_object($this); if(($event instanceof PageRequestEvent) && $event->page_matches("random_image")) { global $config; global $database; if($event->count_args() == 1) { $action = $event->get_arg(0); $search_terms = array(); } else if($event->count_args() == 2) { $action = $event->get_arg(0); $search_terms = explode(' ', $event->get_arg(1)); } $image = Image::by_random($config, $database, $search_terms); if($event->get_arg(0) == "download") { if(!is_null($image)) { $event->page->set_mode("data"); $event->page->set_type("image/jpeg"); $event->page->set_data(file_get_contents($image->get_image_filename())); } } if($event->get_arg(0) == "view") { if(!is_null($image)) { send_event(new DisplayingImageEvent($image, $event->page)); } } } if(($event instanceof SetupBuildingEvent)) { $sb = new SetupBlock("Random Image"); $sb->add_bool_option("show_random_block", "Show Random Block: "); $event->panel->add_block($sb); } if($event instanceof PostListBuildingEvent) { global $config, $database; if($config->get_bool("show_random_block")) { $image = Image::by_random($config, $database, $event->search_terms); if(!is_null($image)) { $this->theme->display_random($event->page, $image); } } } } } add_event_listener(new RandomImage()); ?>