[gcompris-devel] Reducing size of GCompris by optimising PNG files

[Bruno Coudoin]

Le 15. 03. 13 21:51, Karl Ove Hufthammer a écrit :
> Google has recently released their new Deflate-compatible compressor,
> Zopfli:
> http://googledevelopers.blogspot.no/2013/02/compress-data-more-densely-with-zopfli.html
>
> This can also be used to reduce the size of PNG files (losslessly).
> I have done some tests on all the PNG files in GCompris, and running
> TruePNG followed by PNGZopfli, the size of the files (~36.3 MiB)
> were reduced by ~7.4 MiB (though most of this came from TruePNG
> optimisation).
>
> I think this is a very worthwhile saving, and recommend using the
> optimised PNG files. I have commit access to the Git repository, so
> if I get the go-ahead, I can commit the files.
>
Hi,

Thanks a lot for your proposal. A couple of years ago I went the same 
path with the optipng tool and got some very interesting results.

Yes please go forward and commit your work.

Bruno.