From: Hans Hagen <pragma@wxs.nl>
Cc: ConTeXt <ntg-context@ntg.nl>
Subject: Re: MetaFun refill/do_repath bug
Date: Mon, 16 Sep 2002 18:29:55 +0200 [thread overview]
Message-ID: <5.1.0.14.1.20020916181949.01fe9808@server-1> (raw)
In-Reply-To: <20020916173130.57957f34.morawski@gmx.net>
At 05:31 PM 9/16/2002 +0200, Jens-Uwe Morawski wrote:
>Ahoi Hans,
>
>i wrote an article for the magazine of the german TUG that explains
>some advanced features of MetaPost. Esp. it explains the
>within,pathpart,penpart... stuff. In the article i give an example
>that refills all filled elements of a picture with a new color.
>
>The article is not yet published, but one who has proof-read the
>article told me that an equal macro is provided by MetaFun. A little
>bit surprised, since i thought that i know most of the MetaFun
did a short talk on some of those metafun thingies at the last dante
meeting -)
>features, i've tried the "refill" macro and was surprised again, since
>it does not work correctly (IMO). The problem is that the macro
>"do_repath" does not handle clipped and bounded graphic elements
>correctly.
>
>Your macro ignores totally that clipped and bounded elements
>contain again some more graphic elements, i.e. lines, filled
>paths etc. Therefore the macro has to be applied recursively to
>these elements too. Furthermore the pathpart of a clipped
>or bounded object has to be applied only to the elements in
>that object and not to the whole picture.
hm, will look into it, kind of funny that "i" then is a path and picture at
the same time
>Please find below a MP-file that illustrates what i mean.
>It compares the macro "uniformfilled" from my article with
>your "refill".
btw, a real robust solution also takes fonts into account so i'll have a
look at that (fontpart and textpart)
Hans
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next prev parent reply other threads:[~2002-09-16 16:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-16 15:31 Jens-Uwe Morawski
2002-09-16 16:29 ` Hans Hagen [this message]
2002-09-16 20:03 ` Jens-Uwe Morawski
2002-09-17 7:57 ` Hans Hagen
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