Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-03 Thread C R
I'm just arguing against adding checkboxes arbitrarily just in case the user wants to do anything. That's bad UI design. I'm trying to discuss the costs and benefits of adding that complexity. Isn't this achievable with different tools and methods? Is it needed so frequently that is

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-03 Thread C R
Offering another perspective on this topic, I don't personally care at all about switching back and forth for specific operations if the results are generally pleasing. Most people learn GIMP, PhotoShop, etc. by using the tools and seeing what they do, then using those operations to fit their

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-03 Thread Gez
El dom, 03-05-2015 a las 13:32 -0400, Robert Krawitz escribió: On Sun, 03 May 2015 02:34:26 -0300, Gez wrote: El sáb, 02-05-2015 a las 12:40 -0400, Elle Stone escribió: Well, you might be able to answer that question. I'm not qualified. Personally I don't use alpha channels except in the

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-03 Thread Robert Krawitz
On Sun, 03 May 2015 02:34:26 -0300, Gez wrote: El sáb, 02-05-2015 a las 12:40 -0400, Elle Stone escribió: Well, you might be able to answer that question. I'm not qualified. Personally I don't use alpha channels except in the extremely rare instance when I'm exporting a png with a

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-02 Thread Elle Stone
On 05/01/2015 07:03 PM, Gez wrote: You chose one of the few cases where both linear and perceptually uniform could be valid options and none of them are right or wrong. Of course I'm not against allowing two valid instances of the same thing, like in this case. I've already given other

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-02 Thread Elle Stone
On 04/30/2015 05:43 PM, Michael Schumacher wrote: On 04/30/2015 11:40 PM, Elle Stone wrote: What are specifications? Something that describes how features are supposed to work when they are implemented. For examples have a look at the Save Export and Single Window Mode specifications: *

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-02 Thread Michael Schumacher
On 05/02/2015 01:28 PM, Elle Stone wrote: On 04/30/2015 05:43 PM, Michael Schumacher wrote: For examples have a look at the Save Export and Single Window Mode specifications: * http://gui.gimp.org/index.php/Save_%2B_export_specification *

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-02 Thread Robert Krawitz
On Sat, 02 May 2015 11:21:37 -0300, Gez wrote: El sáb, 02-05-2015 a las 06:09 -0400, Elle Stone escribió: I'd like to see this discussion heading towards a real world list of examples of real needs for such options that can't be satisfied with anything else than these toggles. You are

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-02 Thread Gez
El sáb, 02-05-2015 a las 11:18 -0400, Robert Krawitz escribió: On Sat, 02 May 2015 11:21:37 -0300, Gez wrote: El sáb, 02-05-2015 a las 06:09 -0400, Elle Stone escribió: I'd like to see this discussion heading towards a real world list of examples of real needs for such options that can't

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-02 Thread Gez
El sáb, 02-05-2015 a las 06:09 -0400, Elle Stone escribió: But you're not proposing to add a toggle to gradients alone, you're proposing to put them*everywhere*. Yes. And your reason is that users have to decide how operations are performed, no matter the result, no matter if it makes any

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-02 Thread Elle Stone
On 05/02/2015 10:21 AM, Gez wrote: El sáb, 02-05-2015 a las 06:09 -0400, Elle Stone escribió: But you're not proposing to add a toggle to gradients alone, you're proposing to put them*everywhere*. Yes. And your reason is that users have to decide how operations are performed, no matter the

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-02 Thread Øyvind Kolås
On Sat, May 2, 2015 at 9:45 AM, Elle Stone ellest...@ninedegreesbelow.com wrote: To be more blunt, the babl flips are Pippin's brain-child. If Pippin says no user choice, is there any real benefit to anyone if I write up a spec? Wouldn't it just be a waste of everyone's time? I have not stated

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-02 Thread Elle Stone
On 05/02/2015 02:44 PM, Øyvind Kolås wrote: On Sat, May 2, 2015 at 9:45 AM, Elle Stone ellest...@ninedegreesbelow.com wrote: To be more blunt, the babl flips are Pippin's brain-child. If Pippin says no user choice, is there any real benefit to anyone if I write up a spec? Wouldn't it just be a

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-02 Thread Gez
El sáb, 02-05-2015 a las 12:40 -0400, Elle Stone escribió: Well, you might be able to answer that question. I'm not qualified. Personally I don't use alpha channels except in the extremely rare instance when I'm exporting a png with a transparent background for use on a website. See, this

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-02 Thread Elle Stone
On 05/02/2015 03:39 PM, Øyvind Kolås wrote: I'm not entirely sure what you are proposing or how it could be implemented in the UI. Is this what you mean? 1. Make a list of all RGB editing operations that are provided by GIMP. 2. Decide for each operation whether it should be done using linear

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-01 Thread Gez
El vie, 01-05-2015 a las 18:03 -0400, Elle Stone escribió: On 05/01/2015 04:47 PM, Gez wrote: El vie, 01-05-2015 a las 05:40 -0400, Elle Stone escribió: This is a color managment issue. It's fundamentally important. GIMP shouldn't make decisions like use linear here and perceptual there,

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-01 Thread Elle Stone
On 05/01/2015 09:25 AM, Ofnuts wrote: It depends a bit what the workflow is. If users need to switch all tools at random between linear and perceptual, this will be complicated. Complicated or not, it really is needed. But if you can categorize workflows into those that are always

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-01 Thread Elle Stone
On 05/01/2015 08:46 AM, Douglas Ray wrote: On 1/05/15 12:00 PM, Gez wrote: El jue, 30-04-2015 a las 17:40 -0400, Elle Stone escribió: http://ninedegreesbelow.com/bug-reports/gimp-linear-perceptual-rgb.html Is what's shown in the screenshots feasible in terms of linking the operations to the

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-01 Thread Elle Stone
On 04/30/2015 10:00 PM, Gez wrote: I think that allowing that would complicate the UI and the the tools themselves, as all of them should have both paths available. All the tools need to provide the user with the ability to choose linear or perceptual RGB at will, at the user's discretion.

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-01 Thread Gez
El vie, 01-05-2015 a las 05:40 -0400, Elle Stone escribió: This is a color managment issue. It's fundamentally important. GIMP shouldn't make decisions like use linear here and perceptual there, other than to offer the user good defaults. A color management issue? You're proposing to let

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-01 Thread Douglas Ray
On 1/05/15 12:00 PM, Gez wrote: El jue, 30-04-2015 a las 17:40 -0400, Elle Stone escribió: On 04/29/2015 03:57 PM, Joao S. O. Bueno wrote: Now help us think on the next steps. For example get that e-mail worked into a feasible specification: If you can, refine it, then maybe try to get

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-05-01 Thread Ofnuts
On 01/05/15 04:00, Gez wrote: Hi Elle, You know I'm with you regarding giving users more control over how operations are performed, but tossing buttons for toggling between linear and perceptual everywhere in the UI is not a proper solution. It would be extremely confusing, and people would

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-04-30 Thread Gez
El jue, 30-04-2015 a las 17:40 -0400, Elle Stone escribió: On 04/29/2015 03:57 PM, Joao S. O. Bueno wrote: Now help us think on the next steps. For example get that e-mail worked into a feasible specification: If you can, refine it, then maybe try to get someone with UI expertise that

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-04-30 Thread Elle Stone
On 04/29/2015 03:57 PM, Joao S. O. Bueno wrote: Now help us think on the next steps. For example get that e-mail worked into a feasible specification: If you can, refine it, then maybe try to get someone with UI expertise that could fine tune that your suggestions into specifications that could

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-04-30 Thread Michael Schumacher
On 04/30/2015 11:40 PM, Elle Stone wrote: What are specifications? Something that describes how features are supposed to work when they are implemented. For examples have a look at the Save Export and Single Window Mode specifications: *

Re: [Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-04-29 Thread Joao S. O. Bueno
Hi Elle - Seeing your e-mail give the same kind of and what can I do about it feeling I have when talking to Americo (he should also be reading this mailing list by now). There are obvious lots of improvements that _could_ be done so that GIMP would be a killer application. What you do on the

[Gimp-developer] GIMP useability - choosing linear vs perceptually uniform RGB

2015-04-19 Thread Elle Stone
The single biggest useability issue with GIMP 2.9 is the mechanism for allowing the user to switch between linear and perceptually uniform RGB. In the current UI, the user has no way to know whether any given editing operation is performed on linear or perceptually uniform RGB. For most