Re: Re[4]: 0.91 version and EPS/PDF problems

[Lars Clausen <lrclause cs uiuc edu>]

On Wed, 11 Jun 2003, Hans Breuer wrote:
> At 14:23 09.06.03 -0400, Alan G Isaac wrote:
> > On Mon, 09 Jun 2003 08:11:54 -0500 Lars Clausen <lrclause cs uiuc edu>
> > wrote:
> > > I guess I didn't explain clearly.  In 0.91, we don't include font
> > > definitions.  We don't rely on built-in fonts.  We don't use any fonts
> > > in the EPS at all.  We convert each character to a set of curves and so
> > > avoid the font definition problem totally.  However, this means that PS
> > > conversion tools are useless text-wise, and apparently PDF isn't too
> > > happy either.
> >
> > No, you were perfectly clear.
> >
> > The question is: why not allow us the 0.90 solution
> > (i.e., reliance on built in fonts)?
> It should be quite simple to resurrect, in fact it's
> partly done already:
>
> 2002-10-15  Hans Breuer  <hans breuer org>
>
>       * app/diapsrenderer.[hc] : (new files, old content :-)
>       simple base class for post script rendering. Does neither 
>       use Pango/FT2 nor does it handle non latin1 characters. 
>       The fancy stuff which nowadays appears to be needed should 
>       probably be done in derived class(es)
>
> searching for DiaPsRender shows only two occurences of it
> in app/render_eps.c where is instantiated with
>
>       renderer = g_object_new (DIA_TYPE_PS_RENDERER, NULL);
>
> Currently this is only done in the else branch of HAVE_FREETYPE
> (the win32 default).
>
> If the old refactored PS Renderer can do what you want it
> probably should be made available in _addition_ to the
> DiaPsFt2Renderer, i.e. as additional export filter ...

The problem would be that there'd be no guarantee that the font would be
the same size as displayed, unless you're very careful.  We had a lot of
trouble with that previously.  If anybody wants to try, please go ahead.

-Lars


-- 
Lars Clausen (http://shasta.cs.uiuc.edu/~lrclause)| HÃrdgrim of Numenor
"I do not agree with a word that you say, but I   |----------------------------
will defend to the death your right to say it."   | Where are we going, and
    --Evelyn Beatrice Hall paraphrasing Voltaire  | what's with the handbasket?