I have to admit that my knowledge is sketchy as to precisely what data makes up
an ICC profile.
So anyway, the way that the ImageSpec is organized is that only the most basic,
universal, core information about an image get their own fields in the
ImageSpec (pixel data resolution, data format, number of channels, etc.). But
there is a field called 'extra_attribs' that is a parameter list of fairly
arbitrary name/value pairs, and that's where we store the vast bulk of the
metadata. So you can already stash ICC profiles here, you don't need any
special fields. We should choose a standardized name, however, so that we can
document it and all OIIO-using apps will save or search for it under the same
name.
If somebody can sketch out the data layout of the ICC profile data (what
specifically it consists of), I'm happy to reply with the set of commands you'd
need to store / retrieve it in the ImageSpec.
-- lg
On Jul 18, 2013, at 3:46 PM, Yang Yang wrote:
> Hi All,
>
> I am working on open TIFF and JPEG with different color profiles.
> I find out that there is no field in ImageSpec to hold color profiles from
> JPEG, TIFF and PNG etc.
> The input and output plugins don't handle the ICC_PROFILE sections.
> Does OpenImageIO have plan to add ICC_PROFILE section in ImageSpec?
> Even use OCIO, if there is no way to extract color profile info from file to
> ImageSpec,
> then how can batch processing images with different color profile?
>
> Currently I have some code to handle this by adding a color profile section
> in ImageSpec and
> modify plugins to read embedded profile into ImageSpec and write it back to
> file.
> I just wonder to know if there is a plan for it or not.
> I used to ask this question one week ago.
>
> Thanks in advance for your help.
>
> Yang
>
--
Larry Gritz
[email protected]
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