static function Resize
Prototype:
static function Resize(string image_name, number max_w, number max_h, string out_name="", string format=PREVIEW_PNG)
Parameters
image_name
(string) // TO DO
out_name
(string) has a default value of ""
format
(string) has a default value of PREVIEW_PNG
Description:
TODO: Document this
Return value:
// TO DO