| TYPE | NAME | DESCRIPTION |
|---|---|---|
| INT32 | run_mode | Interactive, non-interactive |
| IMAGE | image | Input image |
| DRAWABLE | drawable | is ignored |
| STRING | filename | The name of the file to save the image in |
| STRING | raw_filename | The name of the file to save the image in |
| FLOAT | quality | Quality of saved image (0 <= quality <= 1) |
| FLOAT | smoothing | Smoothing factor for saved image (0 <= smoothing <= 1) |
| INT32 | optimize | Optimization of entropy encoding parameters |
| INT32 | clr_transparent | set all full-transparent pixels to 0 |