Re: Feature requests: use Monitor colour profile, and deleting directories...

"Alastair M. Robinson" <blackfive-6XJYVlf3IKydIjPUd+0xT1pr/1R2p/[email protected]> writes:

> John Ellis wrote:
>
>> As for including color support, there have only been 2 or 3 requests that I 
>> can remember. The folder delete feature however, is requested at least once 
>> per month.
>
> Yeah, colour management is in a chicken-and-egg situation at the moment 
> - so few apps can make good use of profiles that they're not yet useful 
> enough to be widespread, but the demand is growing as support improves. :)

I think basic color support would be very nice, and I think it's
pretty easy.  There are two reason: monitors whose output profile
isn't sRGB (essentially all of them), and viewing images in profiles
other than sRGB (probably not as important; people that hard core may
not be using gqview).  print simulation, etc. is in my view beyond
gqview's mission - once you're doing that you probably want to start
gimp on the picture.

(My view is gqview's mission is to let you look at, sort, move
etc. images, including in detail and at metadata, in a very efficient
way, with minimal use of keystrrokes, mouse, and (human) time.  It's
the best program I've found for this use.)

When using a profile for my Thinkpad T30, I found color and tone
rendition were much more accurate.  The profile was made using Gretag
Macbeth Eye-One Match with a spectrophotomer, but often monitors come
with profiles and it's often feasible to borrow color management sw/hw.

I'll sketch out what I think are incremental steps:

1) Be able to read a .gqview/profiles/monitor.icc to get a monitor
   profile.

   Assume all input images are in sRGB.  Transform to monitor space
   for display (using lcms; ufraw and gimp both do this).  No GUI.
   This is IMHO gets 90% of the value of profiles for most people, but
   isn't that friendly.  Default to sRGB if not found.

1A) add GUI to choose among several profiles.  perhaps put chosen
profile in status bar.

1B) be able to get profiles from display automatically (for 'auto'
    profile setting), or somehow associate displays and profiles.
    gimp does something like this.  May not be worth doing if gimp
    doesn't do this.
   
2) be able to read embedded profiles in images, and transform to the
   output profiles.


Starting on (1) is on my copious spare time todo list, but I've been
low on that lately.

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