From: Peter Rolf <indiego@gmx.net>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: unwanted rgb-->gray conversion (mkiv)
Date: Tue, 03 Feb 2009 13:12:03 +0100 [thread overview]
Message-ID: <49883493.3060001@gmx.net> (raw)
In-Reply-To: <F5F30FA4-8FA5-412B-B9F9-AA351A407B87@gmail.com>
Wolfgang Schuster schrieb:
>
> Am 03.02.2009 um 11:46 schrieb Peter Rolf:
>
>> Wolfgang Schuster schrieb:
>>>
>>> Am 02.02.2009 um 14:38 schrieb Peter Rolf:
>>>
>>>> mh, the problem is a little more complex. Mkii reduces rgb(0,0,0)
>>>> text into gray(0), in mkiv color is as expected.
>>>> Updated the example...
>>>> \setupcolors[state=start]
>>>
>>> AFAIR \setupcolors[state=start,conversion=no]
>>
>> I get exactly the same unwanted conversions in both marks (even if I
>> use 'conversion=yes').
>
> The rgb(0,0,0) to gray(0) is hard coded in the \definecolor
> command, can you try if this did also happen with nonzero values
> for rgb (+conversion=no).
>
Thanks Wolfgang. The gray scales white and a 50% gray are already part
of my example (and they work fine).
Just add '\pdfcompresslevel0' at the top of my example and you can 'see'
(viewing the pdf in a text editor) the used color space.
0 g 0 G gray black
0 0 0 rg 0 0 0 RG rgb black
> Wolfgang
>
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>
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next prev parent reply other threads:[~2009-02-03 12:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-27 17:32 Peter Rolf
2009-02-02 13:38 ` Peter Rolf
2009-02-02 21:30 ` Wolfgang Schuster
2009-02-03 10:46 ` Peter Rolf
2009-02-03 11:26 ` Wolfgang Schuster
2009-02-03 12:12 ` Peter Rolf [this message]
2009-02-03 12:30 ` Wolfgang Schuster
2009-02-03 14:05 ` Peter Rolf
2009-02-03 15:22 ` Peter Rolf
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