public function __construct($width, $height, $specs = 'fit', $name = null, $offset = null, $label = null)
{
$this->width = (int) $width;
$this->height = (int) $height;
$this->specs = (string) $specs;
$this->name = (string) $name;
$this->offset = (int) $offset;
$this->label = (string) $label;
}