[cairo] PostScript Import / Watch File

[Behdad Esfahbod]

On Fri, 2007-05-25 at 19:10 -0400, Kevin Lynagh wrote:
> I'll probably end up doing that --- drawing with Cairo operators. If
> the Cairo PostScript output is human readable, I'll use it, but it has
> been my experience that most generated PostScript/EPS is very garbled
> so if that's the case I'll just mirror the code in raw PostScript and
> only use Cairo for the GUI and let my program generate the final
> output. 

Cairo's PS output is quite readable.

behdad


> 
> Kevin
> 
> On 5/25/07, Carl Worth <cworth at cworth.org> wrote:
>         On Thu, 24 May 2007 09:24:48 -0700, "Kevin Lynagh" wrote:
>         > Ad far as I can tell, I can either keep recompiling a
>         PostScript file and watch
>         > it with a gv-like widget (which I'd need to write, god help
>         me) or mirror 
>         > the plot using Cairo and use the command line routines to
>         generate
>         > PostScript at the end. I'd be grateful for any suggestions.
>         
>         I don't think there would be any advantage to going from your
>         current 
>         code, through PostScript, then through some not-yet-existing
>         code that
>         would generate cairo calls from the PostScript content.
>         
>         That would involve a pile of code that doesn't exist yet, and
>         wouldn't
>         necessarily be as efficient as you'd like anyway.
>         
>         So much better would be to just write your code to call cairo
>         itself,
>         (and as you say, it mirrors the PostScript operators quite
>         well, so it
>         shouldn't be too difficult). 
>         
>         And once you have that, you might even find that you can throw
>         away
>         your current PostScript-generating code and let cairo take
>         care of
>         that part of the problem as well.
>         
>         Let us know how things go or if you need any further help. 
>         
>         -Carl
>         
> 
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behdad
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