[arch-dev-public] Some PNG images won't work with libpng 1.6

Pierre Schmitz pierre at archlinux.de
Sat May 4 03:47:02 EDT 2013

Am 04.05.2013 09:38, schrieb Rashif Ray Rahman:
> Tentatively, should we just run the fixer for the affected packages
> and push them to testing (so visuals don't break all of a sudden after
> updates)? Whether the maintainer says anything or not, we're gonna
> have to move stuff out from testing anyway.
> Thanks for taking the trouble to look into this.
> On 4 May 2013 14:25, Evangelos Foutras <evangelos at foutrelis.com> wrote:
>> On 03/05/13 14:36, Evangelos Foutras wrote:
>>> After moving the libpng 1.6 rebuilds to [testing], I noticed that some
>>> PNG icons wouldn't load. In my case the broken icons belonged to
>>> nm-applet and smplayer (both have been fixed in [extra]).
>>> Some KDE components are probably affected but I'm not sure of the extend
>>> there.
>>> The plan is to run a check on the source files of all packages to better
>>> assess the situation. (pngchecker.py can be used for that.น)
>> So, not many packages are affected after all:
>> https://dev.archlinux.org/~foutrelis/invalid-pngs-report/
>> I think we should wait a bit for the libpng maintainer to say whether
>> the invalid PNGs will be readable again in a future libpng version. If
>> not, we can go ahead and fix the affected packages.
>> I've asked him (Glenn) here:
>> https://bugzilla.mozilla.org/show_bug.cgi?id=841734#c9

Imho libpng should continue to accept these files if it did in the past.
While we can easily fix local packages we cant fix all the others people
might find on the net or on websites.



Pierre Schmitz, https://pierre-schmitz.com

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