Re: [Texmacs-dev] Conversion question

[Joris van der Hoeven]

On Thu, Jun 30, 2005 at 09:35:10AM +0200, Norbert Nemec wrote:
> Actually, the conversion of tif/gif/png and other lossless formats is
> both incorrect and inefficient as well.
> 
> PostScript 3 allows to embed tif in a compressed form. The debian
> package libtiff-tools
> contains a program tiff2ps, which exploits this possibility. (options -e
> -3 -y)
> 
> Furthermore, be aware that the current way of conversion, using pnmtops
> (which should certainly be continued to be used as fallback) handles the
> image-size and DPI information incorrectly.
> 
> Ideally, the conversion should respect the DPI information from the
> original picture. I have not managed yet, though, to write a script that
> does this reliably.
> 
> Also be aware, that changing the bitmap conversion may render existing
> documents broken, if they rely on some picture size, based on the
> current (incorrect and unpredictable) conversion.

The best thing would be to take a look at the file

        progs/convert/images/init-images.scm

in the distribution and to propose me some improvements.

Thanks, Joris