[Zlib-devel] Google's version of zlib code

[Theo Niessink]

glennrp at comcast.net wrote:
> It's not trivially compatible with PNG but I will be testing it.  It'll 
> require
> extracting the zlib datastream from the IDAT chunks, recompressing with 
> zopfli,
> and repacking into new (hopefully smaller) IDAT chunks.
>
> Look for a "pngzop" subproject under the "pmt" SourceForge project (not 
> right
> now, it's not there yet!).  I'll notify this list when there's something 
> to
> see there.

I already have something similar up and running (more or less anyway). 
Zopfli does even slightly better than PNGOUT it would seem, but the 
difference is miniscule. Anyway, (for now) I have uploaded my mini project 
as a Git repository to my website:
http://www.taletn.com/zopflipng.git

> Sorry I can't find the link now.  This is from a PDF that I
> downloaded yesterday.

Here you go:
https://zopfli.googlecode.com/files/Data_compression_using_Zopfli.pdf

- Theo