On Sat, 22 Jun 2013 00:03:09 -0500 Doug Newgard <[email protected]> said:
> ---------------------------------------- > > Date: Sat, 22 Jun 2013 13:41:31 +0900 > > From: [email protected] > > To: [email protected] > > CC: [email protected] > > Subject: Re: [E-devel] Enlightenment pngs with embedded iCC profiles > > > > On Fri, 21 Jun 2013 23:33:19 -0500 Doug Newgard <[email protected]> > > said: > > > >>> Date: Sat, 22 Jun 2013 13:20:33 +0900 > >>> From: [email protected] > >>> To: [email protected] > >>> CC: [email protected] > >>> Subject: Re: [E-devel] Enlightenment pngs with embedded iCC profiles > >>> > >>> On Sat, 22 Jun 2013 14:12:44 +1000 David Seikel <[email protected]> said: > >>> > >>>> On Fri, 21 Jun 2013 22:39:19 -0500 Doug Newgard <[email protected]> > >>>> wrote: > >>>> > >>>>> ---------------------------------------- > >>>>>> Date: Sat, 22 Jun 2013 10:44:15 +0900 > >>>>>> From: [email protected] > >>>>>> To: [email protected] > >>>>>> CC: [email protected] > >>>>>> Subject: Re: [E-devel] Enlightenment pngs with embedded iCC profiles > >>>>>> > >>>>>> On Fri, 21 Jun 2013 16:15:47 -0500 Doug Newgard > >>>>>> <[email protected]> said: > >>>>>> > >>>>>>> I'm sure some of you have seen the warnings generated by libpng > >>>>>>> 1.6: "known incorrect sRGB profile". Now, this is no big deal, > >>>>>>> it's just a warning, but I still wanted to look into it further. > >>>>>>> By my count, there are 800 png files in Enlightenment, of which > >>>>>>> only 6 have embedded iCC profiles, all from HP. The rest are sRGB > >>>>>>> colorspace, but do not include a profile. There are some good > >>>>>>> arguments for this (http://imageoptim.com/color-profiles.html > >>>>>>> http://www.gballard.net/psd/save_for_web_embed_ICC_profile.html) > >>>>>>> and since this seems to be the default, I've attached the 6 files > >>>>>>> with the profiles stripped out. As you can see, it doesn't change > >>>>>>> the image or the colorspace, it just leaves the calibration up to > >>>>>>> the end user's system. > >>>>>>> > >>>>>>> I haven't been able to find just what's wrong with the HP iCC > >>>>>>> profile being used that the authors of libpng don't like, but it > >>>>>>> makes sense to standardize the way profiles are handled anyway. > >>>>>>> And it has the nice side effect of silencing warnings, even if the > >>>>>>> Debian/Ubuntu users aren't likely to see them for a couple of > >>>>>>> years. > >>>>>>> > >>>>>>> I can just change the iCC profile instead if you would prefer. > >>>>>>> I've seen multiple people recommend the Argyll sRGB profile, which > >>>>>>> is still "sRGB IEC61966-2.1" and is public domain. > >>>>>>> > >>>>>>> Elementary has a lot more pngs with the HP profile, so once I know > >>>>>>> for sure what people would prefer, I'll fix them, too. > >>>>>>> > >>>>>>> Doug > >>>>>> > >>>>>> what we need to know is what is adding the hp profile causing the > >>>>>> warinig. what tool does it? is it gimp? photoshop? imagemagick? > >>>>>> otherwise we go creating warnings again if that tool is used... > >>>>> > >>>>> That's a good question. On my machine, GIMP refuses to even export > >>>>> the image with the HP profile, so I doubt that's it unless that's > >>>>> because of libpng 1.6. I do know that the HP profile is not included > >>>>> with GIMP, only their built-in profile which is used for display, it > >>>>> does not get embedded into images. I did find some information about > >>>>> the HP profile in relation to Photoshop, but others said that it > >>>>> didn't come with Photoshop and suggested it may have been included > >>>>> with printer/scanner software. I did find that Photoshop does not > >>>>> embed a profile by default when exporting PNGs. As far as I can tell, > >>>>> Imagemagick doesn't include any iCC profiles, so that can't be it, > >>>>> either. On my system, I have profiles from Colord, Argyll, Oyranos, > >>>>> and Yamma, and none of them include the problem profile. Where this > >>>>> profile came from is sitll a bit of a mystery to me. > >>>> > >>>> Look at the SVN / git history for the images with that HP profile. > >>>> That at least will tell you WHO added them. Than ask that person > >>>> what they used to make them / last used to massage them / where they got > >>>> them from. > >>> > >>> given the images... one i know i created years ago with gimp. others i > >>> think came from manowarrior (he did his work with inskacpe and/or > >>> photoshop and illustrator?) > >> > >> Yep, git blame on the icons, at least, gives me d6dab499 and f72b2067. The > >> former says icons from manowarrior, the second is optimizing the images. > >> The iCC profile seems to be in the originals from manowarrior. Loading > >> them up in a hex editor, I see a string that says "iCCPPhotoshop ICC > >> profile", so this does seem to be originally from Photoshop. I wonder if > >> they're still using it or if it was only in an older version? > > > > so... photoshop blame! :) > > So it would seem. Elementary images attached, 51 of 591 total. I'm also > seeing a few in editje, eve, python-efl (taken from elm, I believe), and > rage, but this should take care of the bulk of it. done man. done. :) -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) [email protected] ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ enlightenment-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
