function ubik_imagery_feed($id = '', $size = '', $alt = '', $align = 'none')
{
// The `get_image_tag` function requires a simple alignment e.g. "none", "left", etc.
$align = str_replace('align', '', $align);
// Size limiter for feeds
$size_default = apply_filters('ubik_imagery_feed_default_size', 'medium');
$sizes_metadata = ubik_imagery_sizes_metadata();
// Default size filter applies here as well
if (empty($size)) {
$size = $size_default;
}
// Scale down images for the feed; @TODO: replace with an image that has the same aspect ratio
if (isset($sizes_metadata[$size])) {
if ($sizes_metadata[$size]['width'] > $sizes_metadata[$size_default]['width']) {
$size = $size_default;
}
}
// Default image element generator cribbed from WordPress core
return apply_filters('ubik_imagery_feed', get_image_tag($id, $alt, $title = '', $align, $size));
}
function ubik_imagery_sizes_admin($sizes)
{
$sizes_builtin = ubik_imagery_sizes_builtin();
$sizes_metadata = ubik_imagery_sizes_metadata();
// Check to see if we have anything at all; if not, return the sizes exactly as they are
if (!empty($sizes_metadata)) {
// Unset predefined sizes (doing it this way allows for other plugins to modify the array)
if (!empty($sizes_builtin)) {
$sizes_builtin[] = 'full';
// Let's remove the full size; we'll add it back later
foreach ($sizes_builtin as $size_builtin) {
unset($sizes[$size_builtin]);
}
}
// Initialize sizes array
$sizes_array = array();
// Populate a temporary array with the information we need to generate a list of available image sizes
foreach ($sizes_metadata as $name => $data) {
$sizes_array[] = array('name' => $name, 'display' => ucwords(str_replace(array('-', '_'), ' ', $name)), 'width' => $data['width']);
}
// Sort all sizes by resolution (smallest first)
usort($sizes_array, 'ubik_imagery_sizes_admin_sort');
// Loop through all image sizes and populate the sizes array
foreach ($sizes_array as $size) {
$sizes[$size['name']] = $size['display'];
}
// Unset post thumbnail size
if (isset($sizes['post-thumbnail'])) {
unset($sizes['post-thumbnail']);
}
// Add the `full` size to the end of the array
$sizes['full'] = __('Full', 'ubik');
}
return apply_filters('ubik_imagery_sizes_admin', $sizes);
}