func main() { flag.Parse() dir := flag.Arg(0) if dir == "" { fmt.Fprintf(os.Stderr, "Images not specified.") flag.Usage() os.Exit(1) } files, err := ioutil.ReadDir(dir) check(err) w, h := *width, *height collage := image.NewRGBA(image.Rect(0, 0, w*2, h*len(files))) draw.Draw(collage, collage.Bounds(), image.NewUniform(color.RGBA{0xFF, 0xFF, 0xFF, 0xFF}), image.Point{}, draw.Src) for i, file := range files { fmt.Println("Processing ", file.Name()) m, err := ycbcr.FromFile(filepath.Join(dir, file.Name())) check(err) drawcell(collage, m, 0, i, w, h) process(m) drawcell(collage, m, 1, i, w, h) } check(ycbcr.ToFile(*output, collage)) }
func main() { flag.Parse() files := flag.Args() if len(files) == 0 { fmt.Fprintf(os.Stderr, "Images not specified.") flag.Usage() os.Exit(1) } for _, filename := range files { m, err := ycbcr.FromFile(filename) check(err) process(m) name := filepath.Join(*outdir, filepath.Base(filename)) ext := filepath.Ext(name) name = name[:len(name)-len(ext)] + *suffix + ext ycbcr.ToFile(name, m) } }