Re: [libreoffice-users] Re: Re: Re: SVG embedding in LibreOffice

On 2011-06-09, todd rme wrote:

> On Thu, Jun 9, 2011 at 2:57 PM, Tom Davies <tomdavies04@yahoo.co.uk> wrote:
> > From: todd rme <toddrme2178@gmail.com>
> >
> > On Thu, Jun 9, 2011 at 12:24 AM, Zak McKracken
> > <zak_mckracken@openoffice.org> wrote:
> > > Am 08.06.2011, 22:41 Uhr, schrieb Tom Davies <tomdavies04@yahoo.co.uk>:
> > >
> > > > Hi :)
> > > > In OpenOffice and LibreOffice the Export to Pdf option allows you to
> > > > choose
> > > > "lossless" compression or change the percentage of jpg compression.
> > >
> > > Yes, but that applies only to raster graphics, not to vector formats. With
> > > EPS images, only the preview image will be dumped in the pdf.
> > > To summarize: The built-in pdf export preserves my raster graphics but kill
> > > EPS images (for me at least. Some people apparently have very hires preview
> > > images inther EPSs). printing it .ps file and using ps2pdf will preserve the
> > > EPS images and reduce the raster images.
> > > This behaviour has not changed since OOo 1.0

Export to PDF uses the raster previews. Best (and only?) solution for
now is really printing to postscript and converting.

PostScript and PDF are not easy to mix. Even with LaTeX you can't use
EPS when running pdflatex. (You have to convert EPS to PDF)

> > It is also an issue in impress, where there is no printing involved.
> > EPS images don't show up, SVG images tend to be horribly broken.
> >
> > Todd
> >
> >
> > Hi :)
> > Is this only  problem with 3.4.0?  I thought one of the remaining problems was
> > the non-vector images getting compressed so i was hoping to help you get around
> > that.  Sorry it didn't help.
> > Good luck and regards from
> > Tom :)
>
> I haven't tried 3.4, but the EPS images stopped working in 3.3 and SVG
> images have never worked.  After dicussing the problem, I am not sure
> how the EPS images ever worked, perhaps they had embedding that was
> stripped somehow.  Of course, using the embedded raster image
> completely defeats the purpose of using vector artwork in the first
> place.

At least on older versions -- don't know if this still applies -- OOo
would generate a preview if the image had no raster preview, but as that
involved a funny bug involving endless calls to ImageMagick's convert
when the raster previews were too big to be cached, maybe that was
disabled.

A quick test with a random EPS I found shows me a preview raster, with

  LibreOffice 3.3.2 
  OOO330m19 (Build:202)
  tag libreoffice-3.3.2.2

But I don't know if the image has a preview raster builtin.

> Most of the programs I use for vector artwork can produce EPS or SVG
> files just fine, but being able to properly display some sort of
> vector artwork in impress seems critical to me.  Differences in
> projector resolution can seriously degrade the appearance of raster
> artwork.

LibO also supports Windows MetaFile and Enhanced MetaFile. IIRC they
have some issues (or maybe the metafiles I was using were badly
converted). But you can try converting your EPS to EMF and see if the
result is good enough.

I've some notes around here saying it's done with pstoedit, with the
option to generate EMF.

The same notes mention running fixps, generating svg with pstoedit and
converting back to eps with inkscape -- this was probably a workaroud
for some postscript files that pstoedit didn't like.

-- 
Nuno J. Silva (aka njsg)
gopher://sdf-eu.org/1/users/njsg

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