From: Hans Hagen Outside <pragma@wxs.nl>
Subject: Re: metaobj and transparent colors with \MPcolor
Date: Fri, 23 Jul 2004 11:38:28 -0700 [thread overview]
Message-ID: <41015B24.6090807@wxs.nl> (raw)
In-Reply-To: <4100DE3C.90609@seznam.cz>
Vit Zyka wrote:
> Sorry, I can not reproduce your example. I get only red page with
> black page number in header. No white box. And I do not known metaobj
> macro.
>
> But I have a question. It is really needed to surround \definecolor by
> \startMPenvironment? Since \definecolor has to result to \pdfobj and
> \pdfliteral (pdftex primitives) and propagation to mpost (which is EPS
> not PDF generator) has no sence. Only reference to color is needed and
> it is done via \MPcolor. Am I right?
only things that are needed in btex ... etex or textext(..) need to be
put into \startMPenvironment, so in your case the color def can stay
outside the env.
> Vit Zyka
>
>> I try to achieve transparently filled objects using the metaobj package.
>> However, transparency is ignored completely in the output, I just get a
>> normal white. Here is my test file:
>>
>> \setupcolors[state=start]
>> \setupbackgrounds[page][background=color,backgroundcolor=red]
>>
>> \startMPenvironment[global]
>> \definecolor[Durchsichtig][r=1.0,g=1.0,b=1.0,t=0.0,a=normal]
>> \stopMPenvironment
>>
>> \startreusableMPgraphic{test}
>> input metaobj;
>> setObjectDefaultOption("Box")("fillcolor")(\MPcolor{Durchsichtig});
>> newBox.test(btex Transparent? etex) "filled(true)";
>> Obj(test).c=origin;
>> drawObj(test);
>> \stopreusableMPgraphic
>>
>> \starttext
>> \reuseMPgraphic{test}
>> \stoptext
>>
>>
>> If I use the fillcolor as an argument to the object
>>
>> newBox.test(btex Transparent? etex) "filled(true)"
>> "fillcolor(\MPcolor{Durchsichtig})";
>
can you try
fillcolor \MPcolor{...}
or maybe
color xxxx ; xxxx := \MPcolor{...} ; fillcolor(xxxx) ;
>>
>> I get error messages from the mpost run. So it seems that metaobj and
>> \MPcolor don't like each other.
>> Any ideas how to circumvent this problem?
>>
>> Regards,
>> Eckhart
>
>
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next prev parent reply other threads:[~2004-07-23 18:38 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-23 7:53 Eckhart Guthöhrlein
2004-07-23 9:45 ` Vit Zyka
2004-07-23 11:44 ` Eckhart Guthöhrlein
2004-07-24 9:28 ` Vit Zyka
2004-07-27 10:50 ` Eckhart Guthöhrlein
2004-07-23 18:38 ` Hans Hagen Outside [this message]
2004-07-27 11:02 ` Eckhart Guthöhrlein
2004-07-27 11:28 ` Hans Hagen
[not found] ` <410A1E21.3030803@seznam.cz>
2004-08-02 9:11 ` Eckhart Guthöhrlein
[not found] ` <410E237B.4030807@seznam.cz>
2004-08-02 11:44 ` Eckhart Guthöhrlein
2004-07-23 21:31 ` Denis Roegel
2004-07-24 6:24 ` Hans Hagen Outside
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