[Xcircuit-dev] How to convert xcircuit ps or eps to svg

[Don Wooton]

http://croczilla.com/bits_and_pieces/svg/samples

Dashed lines
http://croczilla.com/bits_and_pieces/svg/samples/xbl-shapes2/xbl-shapes2.xml

I am not an expert.  I just remembered seeing these.

     - Don

On Jul 06, Tim Edwards propounded certain bytes, to wit:
> Subject: Re: [Xcircuit-dev] How to convert xcircuit ps or eps to svg
>
> Dear Svenn,
> 
> > Would SVG make xcircuit easier to handle in a project environment? You
> > know the one where one engineer put together a module in one directory
> > and another engineer binds this module into a toplevel on a different
> > hierarchy? In the end, it is the netlist that matters, but getting
> > there is sometimes difficult with xcircuit as the symbols of the
> > missing modules are present, but that is only the self-content
> > shadow, not the real thing.
> 
> I have now spent a fair amount of time attempting to hand-code bits
> of xcircuit output into SVG.  What I have come up with is the following:
> 
> 1) You noticed that the format converters have a problem with dashed
>     lines.  Dashed lines appear not to be part of the SVG definition,
>     which means they have to be tediously generated.
> 
> 2) The SVG definition cannot do parameter passing.  There is a simple
>     method for passing parameterized text strings using the <tref>
>     element, but Firefox doesn't implement it.  I found a workaround
>     using Javascript, but I don't think it will allow parameters to
>     nest (not that anyone other than me uses nested parameters in
>     xcircuit).
> 
> 3) The SVG definition does not define a way to make text flip invariant.
>     So if you flip a symbol across the X axis, any text drawn inside
>     that symbol will render right-to-left instead of left-to-right.
> 
> So I don't think the SVG definition is flexible enough to substitute
> for PostScript in xcircuit's output format.  However, as long as I
> flatten the output, it should be easy enough to generate a flat SVG
> format file.  But you won't be able to read it back into xcircuit.
> Looks like we'll have to wait for several more major revisions of the
> SVG spec before that can happen (I've already complained to the SVG
> working group about their lack of flip-invariant text).  I suppose if
> you're just looking for a way to import xcircuit files into environments
> where PostScript is not conveniently handled, a flattened file should
> not be an issue.
> 
> 					Regards,
> 					Tim
> 
> +--------------------------------+-------------------------------------+
> | Dr. R. Timothy Edwards (Tim)   | email: tim at opencircuitdesign.com    |
> | Open Circuit Design, Inc.      | web:   http://opencircuitdesign.com |
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>-- End of excerpt from Tim Edwards'