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Re: [Groff] filled polygons in pic
From: |
Werner LEMBERG |
Subject: |
Re: [Groff] filled polygons in pic |
Date: |
Tue, 13 Apr 2010 09:03:50 +0200 (CEST) |
> The fundamental issue is the small repertoire of fillable,
> colourable or shadeable objects in pic -- basically box, circle,
> ellipse.
Dough,
if you want to play with, please go ahead! However, I fear that this
is a non-trivial task, as Ted has explained (especially if you read
the thread he mentioned in his previous post).
> One idea which came to me in the course of that was that it
> would be useful to be able to assign a "closed" attribute to
> an object drawn by pic, [...]
>
> [ arc down rad 1; arc rad 1;
> line up 0.5 left 0.75;
> line left 0.5;
> line left 0.75 down 0.5 ] closed shaded "green"
This is a nice idea, indeed.
> However, inmplementing this sort of thing would involve modifying
> pic extensively at a deep level.
I don't think that this would be extremely hard, given the natural
modular structure of gpic's C++ code. A few hundred lines of code I
estimate, if at all.
> I have, indeed, a somewhat intermittent project in hand to implement
> a fairly general repertoire of such things for pic. [...]
Sounds very interesting!
Werner