# Method Image.ILBM.encode()

Method encode

  ```string`` encode(`object` `image`)`
  ```string`` encode(`object` `image`, `object` `mappingoptions`)`

Description

  Encodes an ILBM image.

  The `options` argument may be a mapping containing zero or more encoding options:

      normal options:
          "alpha":image object
              Use this image as mask
              (Note: ILBM mask is boolean.
               The values are calculated by (r+2g+b)/4>=128.)

          "palette":colortable object
              Use this as palette for pseudocolor encoding