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From: Peter Rolf <indiego@gmx.net>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: ConTeXt color to text
Date: Tue, 04 Sep 2012 11:18:19 +0200	[thread overview]
Message-ID: <5045C75B.8010501@gmx.net> (raw)
In-Reply-To: <5044F89C.7030803@wxs.nl>

Am 03.09.2012 20:36, schrieb Hans Hagen:
> On 3-9-2012 18:59, Peter Rolf wrote:
>> Hi,
>>
>> for a batch command (ImageMagick) I need to convert ConTeXt colors to a
>> text representation (e.g. rgb 'red' -> 'rgb(255,0,0)'; same for color
>> models cmyk and gray).
>> What is the best way to get (read only) access to the color channels of
>> a defined color?
> 
> \colorcomponents{red}
> \colorvalue{red}
> 
> in next beta:
> 
> \startluacode
> 
> -- inspect(attributes.colors.spec("red"))
>
Thanks Hans, very nice. Looking out for the next beta. I'll use the time
to check some other problems :-)



> -- table={
> --  ["b"]=0,
> --  ["c"]=0,
> --  ["model"]="cmyk",
> --  ["g"]=0,
> --  ["k"]=0,
> --  ["m"]=1,
> --  ["r"]=1,
> --  ["s"]=0.3,
> --  ["y"]=1,
> -- }
> 
> \stopluacode
> 
> -----------------------------------------------------------------
>                                           Hans Hagen | PRAGMA ADE
>               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>     tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
>                                              | www.pragma-pod.nl
> -----------------------------------------------------------------
> 

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      reply	other threads:[~2012-09-04  9:18 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-03 16:59 Peter Rolf
2012-09-03 18:36 ` Hans Hagen
2012-09-04  9:18   ` Peter Rolf [this message]

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