protected function createSquareShape()
{
$x = $y = $this->borderSize;
$width = $this->width - $this->borderSize * 2;
$height = $this->height - $this->borderSize * 2;
$this->image->rectangle($x, $y, $width, $height, function (AbstractShape $draw) {
$draw->background($this->background);
$draw->border($this->borderSize, $this->getBorderColor());
});
}