public static function getThumbnail($objUser, $picture_id, $intWidth, $intHeight, $objAlbum)
{
if (!is_numeric($picture_id)) {
throw new Exception(INVALID_VALUE);
}
if (!is_numeric($intWidth)) {
throw new Exception(INVALID_VALUE);
}
if (!is_numeric($intHeight)) {
throw new Exception(INVALID_VALUE);
}
/* This prevents the thumbnails from being bigger than the original. */
if (!$objAlbum->isNew()) {
$intWidth = min($intWidth, $objAlbum->get('max_width'));
$intHeight = min($intHeight, $objAlbum->get('max_height'));
}
$arrThumbnails = clsDB::getListStatic('thumbnail', "`<<foreign><thumbnail><picture>>`='{$picture_id}' AND `<<thumbnail><width>>`='{$intWidth}' AND `<<thumbnail><height>>`='{$intHeight}'");
if (sizeof($arrThumbnails) == 0) {
$objPicture = new clsPicture($picture_id);
list($img, $intActualWidth, $intActualHeight) = $objPicture->getResized($objUser, $intWidth, $intHeight);
if (is_string($img)) {
return $img;
}
$objThumbnail = new clsThumbnail();
$objThumbnail->set('picture_id', $picture_id);
$objThumbnail->set('width', $intWidth);
$objThumbnail->set('height', $intHeight);
$objThumbnail->set('actual_width', $intActualWidth);
$objThumbnail->set('actual_height', $intActualHeight);
$objThumbnail->set('date', date('Y-m-d H:i:s'));
$result = $objThumbnail->setImage($img);
if ($result) {
return $result;
}
$objThumbnail->save();
} else {
$objThumbnail = new clsThumbnail($arrThumbnails[0]->get('id'));
}
return $objThumbnail;
}
