Re: [Gimp-user] Enhancement request: Transparency as a paintable color

2013-07-30 Thread Richard Gitschlag
 Date: Mon, 29 Jul 2013 20:50:29 +0200
 From: si...@budig.de
 To: gimp-user-list@gnome.org
 Subject: Re: [Gimp-user] Enhancement request: Transparency as a paintable 
 color
 
 ok, to clarify: I meant Shift-X  (as in X vs. x  :)
 
 The point is though that the functionality behind shift-x got lost.
 

You can assign keyboard shortcuts to previous/next tool, but this goes by 
internal tool ordering and not most-recently-used.  Unlike, say, revert zoom 
which toggles between the current and previously-used zoom level.


-- Stratadrake
strata_ran...@hotmail.com

Numbers may not lie, but neither do they tell the whole truth.
  
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Re: [Gimp-user] Enhancement request: Transparency as a paintable color

2013-07-29 Thread Richard Gitschlag
So, to give an analogy, if you are working on a surface with no alpha channel, 
you can simply swap to the background color to erase something you've drawn 
(which is also precisely what the Eraser tool does if there's no alpha 
channel!), right?

Okay, I think I understand.  You know how the Eraser option uses an Alt key 
modifier for Anti-erase?  Maybe add something similar to the 
Pencil/Paintbrush tools - Alt key activates an anti paint mode.  The 
difference between this and switching to the Eraser tool outright is that the 
Eraser tool might have separate tool options (dynamics, etc.).

I can support that having a keyboard modifier to do something on an arbitrary 
basis is indeed slightly faster than going to the toolbox and switching tools.  
Heck, it's still faster than swapping a Wacom pen around for the other end.


-- Stratadrake
strata_ran...@hotmail.com

Numbers may not lie, but neither do they tell the whole truth.
  
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Re: [Gimp-user] Enhancement request: Transparency as a paintable color

2013-07-29 Thread Simon Budig
Richard Gitschlag (strata_ran...@hotmail.com) wrote:
 Okay, I think I understand.  You know how the Eraser option uses an
 Alt key modifier for Anti-erase?  Maybe add something similar to the
 Pencil/Paintbrush tools - Alt key activates an anti paint mode.  The
 difference between this and switching to the Eraser tool outright is
 that the Eraser tool might have separate tool options (dynamics,
 etc.).

At some point we had a feature where the keyboard shortcut X would
swap between two different tools (and their contexts). It seems that
this feature got lost at some point unfortunately.

Anybody willing to hunt it down and resurrect it?

Bye,
Simon

-- 
  si...@budig.de  http://simon.budig.de/
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Re: [Gimp-user] Enhancement request: Transparency as a paintable color

2013-07-29 Thread Alexandre Prokoudine
On Mon, Jul 29, 2013 at 8:21 PM, Simon Budig wrote:

 At some point we had a feature where the keyboard shortcut X would
 swap between two different tools (and their contexts). It seems that
 this feature got lost at some point unfortunately.

 Anybody willing to hunt it down and resurrect it?

X is currently taken by swapping BG/FG colors. Perhaps some other
shortcut for the swapping of tools?

Alexandre Prokoudine
http://libregraphicsworld.org
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Re: [Gimp-user] Enhancement request: Transparency as a paintable color

2013-07-29 Thread Brendan Scott

On 07/30/2013 04:45 AM, Alexandre Prokoudine wrote:

On Mon, Jul 29, 2013 at 8:21 PM, Simon Budig wrote:


At some point we had a feature where the keyboard shortcut X would
swap between two different tools (and their contexts). It seems that
this feature got lost at some point unfortunately.

Anybody willing to hunt it down and resurrect it?


X is currently taken by swapping BG/FG colors. Perhaps some other
shortcut for the swapping of tools?


The way I was thinking of it, if transparent was a color (and set as the BG), 
the shortcut would work.  This seemed logical for me because in a file with 
layers transparent is effectively the BG color for the layers above the bottom.

Anti-paint would also work I guess.
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Re: [Gimp-user] Enhancement request: Transparency as a paintable color - Update

2013-07-26 Thread Brendan Scott


Just to be clear - the reason I am proposing the enhancement request is a new way of 
using a feature which has already been coded (ie giving the paintbrush eraser 
functionality).  The purpose is primarily to have a better workflow, but also to have 
more meaningful treatment of background color for pictures which have 
multiple layers (and an alpha channel).

I have reposted the sample picture here:
http://brendanlearnstosee.wordpress.com/2013/07/26/ecorche-dorsal/

The xcf has been renamed with a .jpg extension otherwise it wouldn't upload.

By way of example in relation to the paint-with-background-color trick:

*also a friend of mine commented that using white to erase was a good trick, but in 
Wesnoth it's actually really bad considering all portraits are on a transparent 
layer...

(From Wesnoth art forums: http://forums.wesnoth.org/viewtopic.php?f=23t=38935
There are other examples floating around the web.)

Wesnoth portrait art would be an example where this enhancement could be used.


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Re: [Gimp-user] Enhancement request: Transparency as a paintable color

2013-07-25 Thread Richard Gitschlag

 Date: Thu, 25 Jul 2013 23:09:13 +1000
 From: disposableem...@apps.opensourcelaw.biz
 To: gimp-user-list@gnome.org
 Subject: [Gimp-user] Enhancement request: Transparency as a paintable color
 
 Hi All,
 

 I have lodged a request for GIMP to support use of transparency as a 
color.  By this I mean
 mainly that when using a paint tool, painting 
with that tool paints only the chosen level of
 transparency.  The 
enhancement request is here:

Add a layer mask.  A layer mask is effectively a second alpha channel but you 
can paint directly on it using any tool and any (greyscale) color.

-- Stratadrake
strata_ran...@hotmail.com

Numbers may not lie, but neither do they tell the whole truth   
  
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