mailing-list for TeXmacs Users

[François-Xavier Thomas <address@hidden>]

On Feb 27, 2012, at 6:59 PM, Sam Liddicott wrote:

> My guess is that you are using ghostscript 9.x
> 
> They changed the ps2write target to convert a bitmap into a series of 
> vector draws - I think so that colour space mapping would work on the 
> bitmap. It has the side effect of making the generated post-script 
> enourmous and also slow to generate and slow to render.

Ah, that's why the PDF were so huge!
I forgot to mention that the PDF are generated correctly on my Archlinux 
machine, though, which is using Ghostscript 9.x as well (namely 9.05, same as 
on OS X). Strange...

I'm going to try with your patch, anyway, so thanks!

> I rasied this with the ghostscript guys who mentioned that they would add 
> an ep2swrite target in the future that did not do this, but that until 
> then, we were stuck (and basically it serves us right for mis-using the 
> ps2write target).
> 
> For me the fix was to use imagemagick to process embedded bitmaps into ps, 
> or use qt_image_to_eps and process the generated ps with ps2ps
> 
> You'll find more info on the thread here, along with a patch: 
> http://lists.gnu.org/archive/html/texmacs-dev/2011-05/msg00000.html
> 
> Maybe now, ghostscript has an ep2swrite target; but it will be an error to 
> use the ps2write target on ghostscript > 9.x as I explain.