public function setBackgroundColor($color)
{
$this->preModify();
$newImage = $this->createImage($this->getWidth(), $this->getHeight(), $color);
$newImage->compositeImage($this->resource, \Imagick::COMPOSITE_DEFAULT, 0, 0);
$this->resource = $newImage;
$this->postModify();
$this->setIsAlphaPossible(false);
return $this;
}