karo_frame
Arguments:
Description:
Delete a border of width or delete the inner part
_width : thickness of border
_border ==false : border is set 0, inner region copied
_border ==true : border is copied, inner region is set 0
Default values:
width=1, border=0
Example of use:
$ gmic osteo +negate karo_frame 5,0

Command: osteo +negate karo_frame 5,0

Command: osteo +negate karo_frame 5,0