For embedded icc profiles it would be a binary blob, is this even supported?
.malcolm On 19/07/2013, at 12:33 AM, Larry Gritz wrote: > 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] > > > _______________________________________________ > Oiio-dev mailing list > [email protected] > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org _______________________________________________ Oiio-dev mailing list [email protected] http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
