func handlerImage(res http.ResponseWriter, req *http.Request) {
params := mux.Vars(req)
width, err := strconv.Atoi(params["width"])
height, err := strconv.Atoi(params["height"])
size := width * height
if err != nil || size <= 0 || size > 1000000 {
res.WriteHeader(http.StatusBadRequest)
return
}
img := lorempixum.GetImage(width, height)
lorempixum.StreamImage(res, img, params["format"])
}
func main() {
img := lorempixum.GetImage(100, 100)
lorempixum.StreamImage(os.Stdout, img, "jpeg")
}