From: Hans Hagen <pragma@wxs.nl>
To: ntg-context@ntg.nl
Subject: Re: Update text variables inside metapost
Date: Sun, 08 Mar 2015 10:54:26 +0100 [thread overview]
Message-ID: <54FC1C52.1020701@wxs.nl> (raw)
In-Reply-To: <alpine.OSX.2.02.1503071853550.54884@nqv-znpobbx>
On 3/8/2015 12:57 AM, Aditya Mahajan wrote:
> On Sat, 7 Mar 2015, DesdeChaves wrote:
>
>> Why the metapost not updated the value of text variables that are
>> generated
>> inside luacode environment?
>>
>> In the code below, If I have \startitemize[columns,two] then metapost
>> draw:
>>
>> 1. \Bolha[size=6cm]{text1}{text2}{text3},
>> 2. and four \Bolha[size=4cm]{text1}{text2}{text3}, but text1, text2 and
>> text3 is not updated in every call;
>
> Use useMPgraphic instead of uniqueMPgraphic.
>
> uniqueMPgraphic recomputes the graphic only when the dimensions of
> figure has changed; otherwise, it reuses the previously drawn graphic.
> This behavior was useful for drawing page-backgrounds etc in MkII where
> calling metapost was slow.
not only dimensions, also the overlay related colors (and if needed one
can extend the hash used) .. an other advantage (also in mkiv) is that
reuse also makes the pdf file smaller
Hans
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prev parent reply other threads:[~2015-03-08 9:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-07 16:37 DesdeChaves
2015-03-07 23:57 ` Aditya Mahajan
2015-03-08 0:28 ` DesdeChaves
2015-03-08 9:54 ` Hans Hagen [this message]
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