/**
* If the thumbnails and resizes created for the Gallery 2 photo match the dimensions of the
* ones we expect to create for Gallery 3, then copy the files over instead of recreating them.
*/
static function copy_matching_thumbnails_and_resizes($item)
{
// We only operate on items that are being imported
if (empty(self::$current_g2_item)) {
return;
}
// Precaution: if the Gallery 2 item was watermarked, or we have the Gallery 3 watermark module
// active then we'd have to do something a lot more sophisticated here. For now, just skip
// this step in those cases.
// @todo we should probably use an API here, eventually.
if (module::is_active("watermark") && module::get_var("watermark", "name")) {
return;
}
// For now just do the copy for photos and movies. Albums are tricky because we're may not
// yet be setting their album cover properly.
// @todo implement this for albums also
if (!$item->is_movie() && !$item->is_photo()) {
return;
}
$g2_item_id = self::$current_g2_item->getId();
$derivatives = g2(GalleryCoreApi::fetchDerivativesByItemIds(array($g2_item_id)));
$target_thumb_size = module::get_var("gallery", "thumb_size");
$target_resize_size = module::get_var("gallery", "resize_size");
if (!empty($derivatives[$g2_item_id])) {
foreach ($derivatives[$g2_item_id] as $derivative) {
if ($derivative->getPostFilterOperations()) {
// Let's assume for now that this is a watermark operation, which we can't handle.
continue;
}
if ($derivative->getDerivativeType() == DERIVATIVE_TYPE_IMAGE_THUMBNAIL && $item->thumb_dirty && ($derivative->getWidth() == $target_thumb_size || $derivative->getHeight() == $target_thumb_size)) {
if (@copy(g2($derivative->fetchPath()), $item->thumb_path())) {
$item->thumb_height = $derivative->getHeight();
$item->thumb_width = $derivative->getWidth();
$item->thumb_dirty = false;
}
}
if ($derivative->getDerivativeType() == DERIVATIVE_TYPE_IMAGE_RESIZE && $item->resize_dirty && ($derivative->getWidth() == $target_resize_size || $derivative->getHeight() == $target_resize_size)) {
if (@copy(g2($derivative->fetchPath()), $item->resize_path())) {
$item->resize_height = $derivative->getHeight();
$item->resize_width = $derivative->getWidth();
$item->resize_dirty = false;
}
}
}
}
$item->save();
}