21      * @param string $seed
25     public function getInlineSVG($seed = '')  argument
27         return $this->generateSVGImage($seed);
35      * @param string $seed initialize the genrator with this string
38     public function createImage($seed = '', $file = '')  argument
40         $svg = $this->generateSVGImage($seed, true);
54      * @param string $seed initialize the genrator with this string
59     protected function generateSVGImage($seed = '', $file = false)  argument
61         if (!$seed) {
62             $seed = mt_rand() . time();
64         $this->seed = $seed;