Re: [Gimp-developer] Transformation obeying layer blending?

[C R <cajhne gmail com>]

Thanks Tobiasz, :) it's just my own experience as a long time Gimp user. If
anyone would like a proper use case write up on it, I can provide that as
well if it helps.

Thanks to everyone for all the work and help!
-C

On 5 Mar 2017 11:17 a.m., "Tobiasz Karoń" <unfa00 gmail com> wrote:

> What you proposed sounds very sensible to me. It would help a lot of
> situations, and I don't see any which it would harm.
>
> 4 mar 2017 6:51 PM "C R" <cajhne gmail com> napisał(a):
>
> > The bad news is that opaque is still the default, so you have to take
> > time to adjust the opacity mode each and every time you restart GIMP.
> >
> > Thus, if you want to transform the layer in relation to what's under
> > it, you have to follow these steps:
> >
> > 1.Start the transform (scale, rotate, unified transform, etc.)
> > 2.Hide the current layer.
> > 3.Adjust the opacity of the transformation preview in the transform
> > tool options.
> > 4.Set grid to zero lines
> > 5.complete transformation
> > 6.Un-hide layer to see the results.
> >
> > Additionally, you have to do this for each tool you want to use for
> > transforming at least once per gimp session.
> >
> > This is a lot of work, when all you want to do is see what's under
> > your transformation while transforming.
> >
> > The steps could be reduced dramatically by changing some of gimps
> > defaults:
> >
> > 1.Start the transformation (GIMP automatically sets transforming layer
> > display to hidden. This is necessary to see the result of your
> > transformation in can see relation to what's below it. GIMP could also
> > set the transform visibility to 75% opacity by default, giving an even
> > better view of what the transformation is covering up. GIMP should
> > hide grid lines by default during transformation unless the user asks
> > for them. They have only ever really gotten in the way, and I have yet
> > to find any good use for them.)
> > 2.Complete the transformation (GIMP unhides the layer, thus showing
> > the transformation in its complete state at full opacity)
> >
> > So as you can see, this would cut down the work the user has to do a
> > lot when transforming. It would also bring GIMP's transforming into
> > the same ease of use as every other graphics program I've ever used
> > professionally. :) After having lived with it like this every working
> > day for the last 6 years, I have to say, it's still one of my biggest
> > gripes about GIMP's GUI. Can we fix it? Please? Pretty pretty please?
> > :)
> >
> > -C
> >
> >
> >
> > On Sat, Mar 4, 2017 at 4:26 PM, Peter O'Regan <peteroregan gmail com>
> > wrote:
> > > I see what you describe in 2.8 and I agree it would be useful. And
> > > fortunately, the development 2.9 build contains an opacity control in
> > the
> > > transformation tools to do just that! =)
> > >
> > > Peter
> > >
> > > On Thu, Mar 2, 2017 at 6:06 AM, Tobiasz Karoń <unfa00 gmail com> wrote:
> > >
> > > > Hi!
> > > >
> > > > When doing transformations (scale, rotation, perspective transform) the
> > > > transformed layer "pops out" and transformed part of the image is fully
> > > > opaque and drawn on top of everything else together with the
> > transfomation
> > > > gizmo/controls/grid.
> > > >
> > > > Sometimes I'd like to be able to make this semi-transparent to be able
> > to
> > > > align one layer to another, laying underneath it.
> > > >
> > > > Sometimes I use the "Difference" blending type to compare two layers
> > and
> > > > align stuff precisely. For translation I can use the arrow keys and the
> > > > blending works, but for perspective transform, scaling or rotation - I
> > > > can't use my layer's blending while manipulating the transfomation, and
> > > > that'd be super useful at times.
> > > >
> > > > What do you think?
> > > >
> > > > --
> > > > - Tobiasz 'unfa' Karoń
> > > >
> > > > http://soundcloud.com/unfa
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