I'll try to clarify for you.

Could u explain what the meta information is based on? In order to accomplish an
undo, would this meta information be used to perform the inverse of an

A situation where I dont think the meta information would make sense
would be: when resizing an image (u lose pixels), so I think you would
have to keep the former image completely in memory and not rely on meta
information to bring it back (via a computation/operation that is an
inverse of the original) for the undo.

If the above is still not sinking in, it is simply my attempt to try and
understand in *further detail* (than your response below) how the undo
system works.

On Thu, 2002-10-31 at 03:20, Sven Neumann wrote:
> Hi,
> Hunter Peress <[EMAIL PROTECTED]> writes:
> > Suppose 100 actions are done to an image of size T
> > Would gimp's memory increase by 100T ?
> it depends on what you are undoing. Only the altered tiles and the
> necessary meta information to undo the action is stored in the undo
> system.
> Salut, Sven

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