From: Wolfgang Schuster <schuster.wolfgang@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: invert colors in \externalfigure
Date: Wed, 20 Jan 2016 13:19:29 +0100 [thread overview]
Message-ID: <569F7B51.6030401@gmail.com> (raw)
In-Reply-To: <569F792F.5030701@gmx.es>
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> Pablo Rodriguez <mailto:oinos@gmx.es>
> 20. Januar 2016 um 13:10
> Dear list,
>
> I have the following sample:
>
> \setuppapersize[A6]
> \setuplayout[width=middle]
> \starttext
> \startmakeup[standard][align=center]
> \dontleavehmode\externalfigure[cow][width=\textwidth]
> \stopmakeup
> \stoptext
>
> How can I invert the colors in the external figure without having to
> edit the image file?
>
> Many thanks for your help,
You have to use the Adobe Reader to view the PDF.
\setupexternalfigure[location=default]
\starttext
\externalfigure[cow][width=\textwidth]
\startnegative
\externalfigure[cow][width=\textwidth]
\stopnegative
\startnegative
\externalfigure[cow][background=color,backgroundcolor=white,width=\textwidth]
\stopnegative
\stoptext
Wolfgang
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next prev parent reply other threads:[~2016-01-20 12:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-20 12:10 Pablo Rodriguez
2016-01-20 12:19 ` Wolfgang Schuster [this message]
2016-01-20 16:56 ` Pablo Rodriguez
2016-01-20 18:35 ` Alan BRASLAU
2016-01-22 20:39 ` Pablo Rodriguez
2016-01-20 13:09 ` Marco Patzer
2016-01-20 17:12 ` Pablo Rodriguez
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