Pimcore\Image\Adapter::contain PHP Method

    public function contain($width, $height)
    {
        $x = $this->getWidth() / $width;
        $y = $this->getHeight() / $height;
        if ($x <= 1 && $y <= 1 && !$this->isVectorGraphic()) {
            return $this;
        } elseif ($x > $y) {
            $this->scaleByWidth($width);
        } else {
            $this->scaleByHeight($height);
        }
        return $this;
    }