| TYPE | NAME | DESCRIPTION |
|---|---|---|
| INT32 | run_mode | Interactive, [non-interactive] |
| IMAGE | image | The image to work on |
| DRAWABLE | drawable | The drawable to work on |
| INT32 | function | which remapping function to use: CUSTOM (0), REVERSE (1), SHIFT (2) |
| STRING | custom | the (optional) custom function to use, e.g. 'n-i' reverses the order |