quinet@xxxxxxxxxx (2003-09-08 at 2144.30 +0200): > On Mon, 8 Sep 2003 21:18:32 +0200, Jean-Christophe Dubacq <jean-christophe.dubacq@xxxxxxxxxxxx> wrote: > > As I do not think my former message reached gimp-users, I will try there > > (it also seems more fit, and I am subscribed): > > > > Is there any way to directly edit the alpha layer of a layer. Layer > > masks do only reduce the alpha, never increase it; and sometimes I would > > like to somehow delete any opacity information in a layer, without > > having to repaint all. So maybe there is a solution, but I didn't find > > this (since editing a mask is not the answer)... It is the way, I did an script for that, it passed alpha info to mask, removing it from alpha, completly. If you can not find it, ask me. > Anyway, please check the Eraser tool and enable the "anti-erase" option. > This is an ugly hack, but this is probably what you are looking for. Nice hack, I have been using it a lot latelly. For some things it is enough and fast. > I think that this option should disappear. Instead, we should have an > "undo brush". Because in most cases, what you want to do is to > recover some data that has been deleted by accident. So you could get > that from the undo history. It does not make much sense to "un-erase" > something if you do not know what was there before, even if this quick > hack was easy to implement in the early versions of the GIMP. So if > it becomes possible later to "paint with undo," then we should remove > the anti-erase option. Fill layer with something, make some holes... change your mind, rearrange holes. My usage was for hose brushes. Doing if from undo is going to be a bit more complex technically, and will not only do unerase, you will be able to undo paints too or filters, for example. GSR
