caire.go

func main() {
  filename := "image.jpg"
  
  f, err := os.OpenFile(filename, os.O_RDWR, 0666)
  if err != nil {
      log.Println("Read file error:", err.Error())
      log.Println(filename)
      return
  }
  defer f.Close()

  wFilename := strings.Replace(filename, "upload/", "upload/new-", 1)
  f_write, err := os.OpenFile(wFilename, os.O_RDWR|os.O_CREATE, 0666)
  if err != nil {
      log.Println("Read file error:", err.Error())
      log.Println(wFilename)
      return
  }
  defer f_write.Close()

  // converted := &bytes.Buffer{}
  log.Println("Starting resize for image", filename)

  p := &caire.Processor{
      NewWidth:   300,
      Percentage: false,
      Square:     true,
  }

  err = p.Process(f, f_write)
  if err != nil {
      log.Println("Failed to apply seam carving to the image", err.Error())
      return
  }
  log.Println("Done.")
}