/**
* Apply the filter.
*
* @param mixed input: an integer, an array of integers, or a JSON string representing an array of integers.
* @param string optional formatting tpl
* @return mixed
*/
public function filter($input, $options = null)
{
$required_functions = array('getimagesize', 'imagecreatefromjpeg', 'imagecreatefromgif', 'imagecreatefrompng');
foreach ($required_functions as $f) {
if (!function_exists($f)) {
return sprintf(__('Missing required function %s'), '<code>' . $f . '</code>');
}
}
require_once CCTM_PATH . '/includes/SummarizePosts.php';
require_once CCTM_PATH . '/includes/GetPostsQuery.php';
$tpl = '<div class="cctm_gallery" id="cctm_gallery_[+i+]"><img height="[+height+]" width="[+width+]" src="[+guid+]" title="[+post_title+]" alt="[+alt+]" class="cctm_image" id="cctm_image_[+i+]"/></div>';
if (!empty($options)) {
$tpl = $options;
}
if (empty($input)) {
return '';
}
$inputs = $this->to_array($input);
$Q = new GetPostsQuery();
$Q->set_include_hidden_fields(true);
// We can't use $Q->get_posts() because MySQL will return results in an arbitrary order. boo.
$output = '';
$i = 1;
foreach ($inputs as $image_id) {
$r = $Q->get_post($image_id);
// Translate
$r['post_title'] = __($r['post_title']);
$r['post_content'] = __($r['post_content']);
$r['post_excerpt'] = __($r['post_excerpt']);
$image_info = getimagesize($r['guid']);
$image_type = $image_info[2];
if ($image_type == IMAGETYPE_JPEG) {
$this_image = imagecreatefromjpeg($r['guid']);
} elseif ($image_type == IMAGETYPE_GIF) {
$this_image = imagecreatefromgif($r['guid']);
} elseif ($image_type == IMAGETYPE_PNG) {
$this_image = imagecreatefrompng($r['guid']);
}
if (isset($r['_wp_attachment_image_alt'])) {
$r['alt'] = $r['_wp_attachment_image_alt'];
}
$r['i'] = $i;
$r['width'] = imagesx($this_image);
$r['height'] = imagesy($this_image);
$output .= CCTM::parse($tpl, $r);
$i++;
}
return $output;
}
