Hi Guillermo,

On Fri, Sep 26, 2008 at 10:56 AM, Guillermo Espertino
> I'm testing Gimp 2.5.4 and it's amazing.
> I know it's late for a feature request, but I think it's worth to
> discuss about the current behavior of the new feature present in the
> transform tools: the ability to set the transparency of the layer or
> selection being transformed.
> I think it would make more sense to apply that transparency to the
> original layer instead of the transformed instance.
> In most cases, the original occludes the background, and what the user
> usually wants is to see the transformed object on the final context.
> This situation becomes particularly annoying when scaling down images.
> The larger original doesn't let the user see the real background, where
> the transformed image will end up. So this new transparency function
> would be much more helpful (in my oppinion) for the original, not for
> the "target".
> Somebody suggested in the IRC channel that the original should simply
> dissapear, because the user wants to see the result of the
> transformation, not the original.

This has already been discussed, it is far from trivial to implement,
mainly because the preview must be drawn directly on the canvas. When
the display code is ported to GEGL, this may become practical.
(hiding the original layer during the operation is possible, but
because of the simplicity of the preview rendering, the preview may
look much different that you'd expect.)

> I think that there are lots of situations where having a reference of
> the original, un-transformed image would be very useful, but not that
> useful if having it doesn't let me see the background.
> So, what do you think about applying the transparency  to the original
> insteado of applying it to the transformed image?
> Gez.


Everything has reasons. Nothing has justification.
Ĉio havas kialojn; Neniaĵo havas pravigeron.
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