[Openicc] compiz-cms/CompICC [was: What is exactly needed...]

Kai-Uwe Behrmann ku.b at gmx.de
Tue May 31 08:32:30 PDT 2011


Am 31.05.11, 17:12 +0200 schrieb Gabriel Ebner:
> On Tue, May 31, 2011 at 5:06 PM, Kai-Uwe Behrmann <ku.b at gmx.de> wrote:
>> Am 31.05.11, 16:48 +0200 schrieb Gabriel Ebner:
>>>
>>> On Tue, May 31, 2011 at 4:29 PM, Richard Hughes <hughsient at gmail.com>
>>> wrote:
>>> There is also an Oyranos-free compiz color correction plugin:
>>>
>>> https://github.com/gebner/compiz-cms
>>
>> compiz-cms would break all applications, which rely on _ICC_PROFILE(_xxx)
>> atoms as it has currnetly not automatism to avoid double colour correction.
>> This means Krita, Gimp, Inkscape, Scribus and so on would break colour wise.
>
> It breaks *less* applications than compicc, since it doesn't rely on
> the applications to implement the net-color spec (which none of the

The net-color spec ensures that above mentioned applications run inside a 
virtual sRGB environment without double colour correction. The 
applications run colour management wise automatically correctly, even 
though not fully utilising a wide gamut monitor.

> above implements), but instead allows you to manually specify a
> whitelist for color-managed applications.

That approach will require users some try and error to figure out, which 
applications shall be listed and which not. That a error proune procedure. 
Developers from some of the above applications objected strongly against 
such a behaviour in the past.

> I'm running compiz-cms on all my machines, all the time -- which was
> not possible with compicc, exactly because compicc broke Firefox,
> Gimp, and every other color managed application.

oooops.
As far as I could check CompICC worked always as expected and correctly.
Moreover it is designed to do so.
Can you give reasons for that "compicc broke Firefox, Gimp" statement?


kind regards
Kai-Uwe Behrmann
-- 
developing for colour management 
www.behrmann.name + www.oyranos.org



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