Returns a copy of an external image.
graphics-ports
copy-external-image external-image &key new-color-table => new-external-image
| external-image⇩ | 
An external image. | 
| new-color-table⇩ | 
A color table. | 
| new-external-image | 
An external image. | 
The function copy-external-image returns a copy of external-image, optionally supplying a new-color-table. An error is signalled if this is a different size from the existing color-table.
CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:33:02