[Bf-funboard] Individual color channel display/edit

[Marc Dion]

having 4 masks stacked into one texture is pretty useful, it helps keeps
the asset count and draw calls low. :)

On Thu, Aug 20, 2015 at 10:14 AM, Julio Iglesias <j at zafio.com> wrote:

> Hi!
>
> Right now we can't display or edit individual color chanels (nor alpha) of
> an image (at image editor or 3dview/texture paint mode).
>
> So I would suggest:
>
> @ Image Editor:
> - In view mode, add individual R,G,B buttons following the RGB, RGBA and
> alpha ones.
> allowing the display of channel combinations (using SHIFT+Click, like in
> Layers)
>
> - In paint mode, same as above, plus an option to lock painting on selected
> layers.
> Usability wise, could be as simple as clicking twice, setting also an
> alternative icon with a tiny lock. Or a single lock icon before the channel
> icons. (although there is already one lock icon close to those, which could
> and should be changed, for something like round cyclic arrows).
> It should also be possible to map the channels to hotkeys.
>
> @ 3D View
> - In Texture Paint mode:
> In the paint slot list, for each slot, before the enable/disable checkbox,
> add also individual R,G,B & A checkboxes or buttons. If not possible,
> buttons outside of the list would be better than nothing. Perhaps the
> locking option should be also implemented there.
>
> I'm sure I forgot something and probably needs more thinking but... I'll
> leave it there, and if someone is willing to implement this, I'm willing to
> give the idea some polishing.
>
>
> Regards.
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