On Sun, 2006-08-20 at 12:28 +0200, Thorsten Hehn wrote:
> Hi,
>
> several days ago I asked something about text windows and the
> possibility of implementing subscript letters in Dia.
>
> I wonder if enhanced postscript functionality is not implemented at the
> moment, like it is e.g. in gnuplot? In gnuplot, I can type V_{in}, where
> the {in} is being converted into subscript letters when the plot is
> exported in enhanced postscript mode. I tried this with Dia, but the
> subscript text appears as typed before in the eps file.
>
> I'm not an postscript expert, so of course I don't know anything about
> implementing this functionality and the possible drawbacks...
>
> Until now I have created some simple electrical circuit diagrams with
> Dia and I really like the easy and intuitive handling. The program would
> be nearly perfect if the subscript funktionality would be implemented.
The same wish has been stated several times for TeX and LaTeX. Apart
from the practicalities of having a number of different interpreters the
main problem is finding out the size of the result for determining boxes
etc. One way to do that would be to make call-outs to external programs
that can create appropriate bitmaps, in which case I would have no
problem letting people define their own TeX, EPS, SVG or whatever
languages.
We are hoping to move towards a more advanced text input system that
uses real GtkEntry widgets, but there's a ways to go there yet. With
those, we could conceivably do whatever markup GTK allows for its text
entry.
-Lars
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