Re: optimizing PNGs
On Mon, May 27, 2013 at 1:42 AM, Mathieu Malaterre <malat@debian.org> wrote:
> On Sun, May 26, 2013 at 5:56 PM, Adam Borowski <kilobyte@angband.pl> wrote:
>> A while ago, someone raised the possibility of recompressing PNG files.
>> Unlike xz, this would save space not only on mirrors but also on live
>> installed systems. PNGs are nearly incompressible so this is mostly
>> independent from xz.
>>
>> At least by number, there's a lot of PNG images:
> [...]
>> 22225 ns3-doc
>
> This one is slightly different and should be treated differently IMHO.
> See `Subject: Ridiculously large packages`[1] on debian-cd, which got
> solved using SVG output when generating doxygen documentation. See for
> example:
>
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=557238
>
> 2cts
> [1] https://lists.debian.org/debian-cd/2009/11/msg00039.html
>
Can you give a more detailed pointer to `got solved using SVG output
when generating doxygen documentation`? ns3-doc currently runs optipng
against all generated PNG files during the arch:all package
generation, which costs quite some time to finish even on a quite fast
server but reduces the size for about 300MiB.
--
Regards,
Aron Xu
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