[poppler] PNG images for pdftohtml: patch

[Albert Astals Cid]

A Dimecres 01 Octubre 2008, Warren Toomey va escriure:
> All, apologies for the noise on the list. The attached patch adds PNG
> output to pdftohtml for non-DCT images, replacing the code that I submitted
> as
> http://lists.freedesktop.org/archives/poppler/2008-September/004113.html.
> The patch also ensures that pdftohtml inserts the correct image filename in
> the <img src=""> output.
>
> The utils/Makefile will need to be patched to include -lpng, and the config
> system tweaked to search for libpng and define ENABLE_LIBPNG if it exists.

Also three months later...

Commited, it would be nice if you could update from master branch and provide 
a patch to avoid leaks when things like png_create_info_struct fail.

Albert

>
> I will resubmit my reflow patch soon, and then I'll go quiet :)
>
> Thanks,
> 	Warren