pcg@xxxxxxxx ( Marc) (A.) (Lehmann ) wrote:
To just throw in another personal opinion: The behaviour you describe wrt. saturation would be hilarious. It's even implemented that way in current gimp _until_ you say "OK". After which you have to (comparatively) clumsily have to re-adjust it.
If the underlying data representation was HLS rather than RGB, doing this would not be ludicrous - it would be expected. OTOH, if the underlying representation WAS HLS then doing something like taking all the green out of the picture - then putting it back without affecting the hue would seem ludicrous.
While I sometimes find the erase tool conceptually difficult to use (maybe because it's so unusual), the question is wether this is just a weird added feature (as most people including me _seem_ to view it), or something that hinders people.
It's certainly unexpected - but it's useful.
I would rather hide that widget from Joe Public to avoid confusing him than to unnecessarily destroy valuable data.
Let me say this one more time: If GIMP produces truly undefined data where Alpha is zero - then GIMP will become utterly useless for painting texture maps for 3D graphic applications. That's DEVASTATING to a large number of your users.
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