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From: Pablo Rodriguez <oinos@gmx.es>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: invert colors in \externalfigure
Date: Wed, 20 Jan 2016 18:12:42 +0100	[thread overview]
Message-ID: <569FC00A.1040103@gmx.es> (raw)
In-Reply-To: <20160120140941.395c862f@homerow>

On 01/20/2016 02:09 PM, Marco Patzer wrote:
>> How can I invert the colors in the external figure without having
>> to edit the image file?
> 
> Based on Peter Münster's grph-downsample.lua here some lines that
> should get you started. Note that you'll need graphicsmagick (or
> imagemagick for that matter. In the latter case change the call from
> `gm convert` to `convert`). This will do the conversion on the fly.

Many thanks for your reply, Marco.

I’m afraid it doesn’t work with PDF files. But it is fine for me, since
the solution provided by Wolfgang works fine.

Many thanks for your help,


Pablo
-- 
http://www.ousia.tk
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      reply	other threads:[~2016-01-20 17:12 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
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 [this message]

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