/**
* @see ImageCacheInterface::__construct()
* @param integer $file_id
* @param integer $internal_revision
* @throws FileNotFoundException
*/
function __construct($file_id, $internal_revision = null)
{
if (is_numeric($file_id)) {
if (is_numeric($internal_revision)) {
$this->file_version_id = FileVersion_Access::get_entry_by_toid_and_internal_revision($file_id, $internal_revision);
$this->internal_revision = $internal_revision;
} else {
$this->file_version_id = FileVersion_Access::get_current_entry_by_toid($file_id);
$this->internal_revision = null;
}
$this->file_id = $file_id;
$this->file_version_extension = FileVersion_Access::get_file_extension_by_toid($file_id);
} else {
$this->file_version_id = null;
}
}
/**
* @see FileInterface::is_image()
* @return bool
*/
public function is_image()
{
if ($this->file_id) {
if (FileVersion_Access::get_file_extension_by_toid($this->file_id) == "jpg" or FileVersion_Access::get_file_extension_by_toid($this->file_id) == "jpeg" or FileVersion_Access::get_file_extension_by_toid($this->file_id) == "tiff" or FileVersion_Access::get_file_extension_by_toid($this->file_id) == "tif" or FileVersion_Access::get_file_extension_by_toid($this->file_id) == "png" or FileVersion_Access::get_file_extension_by_toid($this->file_id) == "gif" or FileVersion_Access::get_file_extension_by_toid($this->file_id) == "bmp") {
return true;
} else {
return false;
}
} else {
return false;
}
}
