package main import ( "bytes" "flag" "fmt" "net/http" "os" "time" "git.tuxpa.in/a/gotagonist/common/nori" "git.tuxpa.in/a/gotagonist/common/utils" "git.tuxpa.in/a/zlog/log" "github.com/go-chi/chi/v5" "github.com/go-chi/chi/v5/middleware" ) var ( servePtr = flag.Bool("serve", false, "launch web server") dumpPtr = flag.Bool("d", false, "dump nri file to zip") silentPtr = flag.Bool("s", false, "silent") filePtr = flag.String("f", "example.nri", "file to load") outputPtr = flag.String("o", "output.zip", "output zip file") ) func main() { flag.Parse() if *servePtr { serve() return } if *dumpPtr { filename := *filePtr output := *outputPtr if _, err := os.Stat(filename); err != nil { printIf("could not find file %s\n", filename) return } dump(filename, output) return } flag.PrintDefaults() } func printIf(s string, args ...interface{}) { if !*silentPtr { fmt.Printf(s, args...) } } func dump(filename string, output string) { start := time.Now() printIf("reading file '%s'\n", filename) n, err := nori.FromFile(filename) if err != nil { log.Panicln("decode: %s", err) } out := new(bytes.Buffer) printIf("rendering %d animation(s)\n", n.AnimationCount) animations, err := nori.RenderAnimations(n) if err != nil { log.Panicln("animation: %s", err) } printIf("saving to %s \n", output) if err := utils.ZipApngs(out, animations); err != nil { log.Panicln("zipping: %s", err) } printIf("done in %v \n", time.Now().Sub(start)) os.WriteFile(output, out.Bytes(), 0740) } func serve() { r := chi.NewRouter() r.Use(middleware.RequestID) r.Use(middleware.RealIP) r.Use(middleware.Logger) r.Use(middleware.Recoverer) r.Use(middleware.Timeout(60 * time.Second)) r.Post("/animations", func(w http.ResponseWriter, r *http.Request) { output_type := chi.URLParam(r, "format") switch output_type { case "": output_type = "apng" case "apng": default: http.Error(w, "output type not supported", 500) return } n := nori.New() if err := n.Decode(r.Body); err != nil { http.Error(w, err.Error(), 500) } frames, err := nori.RenderAnimations(n) if err != nil { http.Error(w, err.Error(), 500) } if err := utils.ZipApngs(w, frames); err != nil { http.Error(w, err.Error(), 500) } w.WriteHeader(200) }) log.Println("listening on 3333") http.ListenAndServe(":3333", r) }