JBZoo\Image\Image::_savePng PHP 메소드

protected _savePng ( string $filename, integer $quality ) : boolean
$filename	string
$quality	integer
리턴	boolean

    protected function _savePng($filename, $quality)
    {
        return imagepng($this->_image, $filename, round(9 * $quality / 100));
    }

Image