How to assign ICC profile to image

[Dik Takken]

Hi,

I have two questions regarding images that do not have an embedded ICC
profile:

1. How can I assign an ICC profile to an image that does not have any
embedded profile yet? And will DigiKam embed it in the file after
assignment?

2. How does DigiKam do color management on images without embedded ICC
profiles? Does is assume a particular profile (sRGB for instance)? When
loading an image into CinePaint, you will be asked which profile to
assign, if the image has none.

Thanks for any explanations!

Dik

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[Gilles Caulier-2]

Le mardi 5 décembre 2006 18:03, Dik Takken a écrit :
> Hi,
>
> I have two questions regarding images that do not have an embedded ICC
> profile:
>
> 1. How can I assign an ICC profile to an image that does not have any
> embedded profile yet? And will DigiKam embed it in the file after
> assignment?

You cannot assign an icc profile without transforming image. Still todo. very
simple to implement but time missing (:=)))

Else, Color management plugin can do it, but it will transform color of
course.

Of course digiKam embed icc profile data in JPEG, TIFF or PNG. There is a
section for that ouside image data. icc profile is a metadata !

>
> 2. How does DigiKam do color management on images without embedded ICC
> profiles?

It will ask you to convert it to your default workspace profile set in CM
setup. There is an option for that...

> Does is assume a particular profile (sRGB for instance)?

no, it just use your selection in setup.

> When  
> loading an image into CinePaint, you will be asked which profile to
> assign, if the image has none.

yes, digiKam do it via a color correction dialog.

Gilles
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[Gilles Caulier-2]

Le mardi 5 décembre 2006 21:19, Caulier Gilles(UNTRUSTED, sender is
<digikam-users-bounces-+caulier.gilles=[hidden email]>) a écrit :

> Le mardi 5 décembre 2006 18:03, Dik Takken a écrit :
> > Hi,
> >
> > I have two questions regarding images that do not have an embedded ICC
> > profile:
> >
> > 1. How can I assign an ICC profile to an image that does not have any
> > embedded profile yet? And will DigiKam embed it in the file after
> > assignment?
>
> You cannot assign an icc profile without transforming image. Still todo.
> very simple to implement but time missing (:=)))

ARG !!! It's wrong. You can do it (:=)))...

In "Color Correction" dialog, just press "Embed Only" :

http://digikam3rdparty.free.fr/Screenshots/colorcorrectiondialog.png

Marcel, give me an aspirin please (:=))))...

Gilles
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[Dik Takken]

Ah, now I get it. I is a bit unclear though. I would propose to try and
make DigiKam more consistent with other graphics apps (Photoshop,
CinePaint) by talking about 'convert' versus 'assign' in stead of 'apply'
versus 'embed only'.

Another item on my wishlist is a 'Assign Profile' menu entry in the
'Image' menu of DigiKam Editor. Both Photoshop and CinePaint have this,
which is very convenient. The 'Assign Profile' entry in the menu could
have a sub-menu containing a list of installed profiles. No new dialog
needs to be made, just a menu entry.

Shall I add wishlist items to bugzilla about this?

On Tue, 5 Dec 2006, Caulier Gilles wrote:

> Le mardi 5 décembre 2006 21:19, Caulier Gilles(UNTRUSTED, sender is
>> You cannot assign an icc profile without transforming image. Still todo.
>> very simple to implement but time missing (:=)))
>
> ARG !!! It's wrong. You can do it (:=)))...
>
> In "Color Correction" dialog, just press "Embed Only" :
>
> http://digikam3rdparty.free.fr/Screenshots/colorcorrectiondialog.png
>
> Marcel, give me an aspirin please (:=))))...
>
> Gilles
> _______________________________________________
> Digikam-users mailing list
> [hidden email]
> https://mail.kde.org/mailman/listinfo/digikam-users
>

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[Gilles Caulier-2]

On Wednesday 06 December 2006 11:11, Dik Takken wrote:

> Ah, now I get it. I is a bit unclear though. I would propose to try and
> make DigiKam more consistent with other graphics apps (Photoshop,
> CinePaint) by talking about 'convert' versus 'assign' in stead of 'apply'
> versus 'embed only'.
>
> Another item on my wishlist is a 'Assign Profile' menu entry in the
> 'Image' menu of DigiKam Editor. Both Photoshop and CinePaint have this,
> which is very convenient. The 'Assign Profile' entry in the menu could
> have a sub-menu containing a list of installed profiles. No new dialog
> needs to be made, just a menu entry.
>
> Shall I add wishlist items to bugzilla about this?

yes, please file a bug in B.K.O. thanks in advance.

Gilles
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