Re: [png-mng-implement] Looking for complete set of PNG samples

[mal c. <art...@go...>]

Hi,

On 17/02/07, Greg Roelofs <ne...@po...> wrote:
> > It may be a case of loading a baseline TIFF image and generating the PNGs
> > using libpng and C directly. I was hoping to avoid that but it seems that
> > there's nothing (on my platform at least) that can actually manage to
> > carry out instructions...
>
> FOOtopnm | ppmquant N | pnmtopng
>
> should handle pretty much anything except alpha, and that can be handled
> in two steps (i.e., create alpha.pgm and then use -alpha alpha.pgm in step
> above).  RGBA-palette images require a little more forethought with this
> approach, but you could always use pngquant for those.

I couldn't get ppmquant to work, but I've managed to throw something together
using pngquant and Gimp. Thanks!

MC