[NTG-context] ConTeXt-defined colours broken in TikZ in MkIV with latest betas

Christian Prim christian.prim at gmx.ch
Thu Apr 16 21:34:45 CEST 2015


Hi Hans

is it correct, that with the new beta one can just use rgb-colors using
tikz or is there a bug preventing the usage of cmyk-colors as it used to
work before?

Thanks!

Christian

PS.: See mail below for MWE showing false cmyk colors in tikz.

2015-04-14 11:54 GMT+02:00 Christian Prim <christian.prim at gmx.ch>:

> Thanks Hans for clarification. But even with simple context color models
> (that worked before) I get other colors.
>
> MWE:
>
> \usemodule[tikz]
> \setupbodyfont[40pt]
> \starttext
> \definecolor[mycol][c=0.23,m=0.58,y=0.88,k=0.45]
> \definecolor[mycol_h][c=0.115,m=0.29,y=0.44,k=0.225]
> \definecolor[mycol_q][c=0.055,m=0.145,y=0.22,k=0.1125]
> \startcolor[mycol]
> {\bfa •••••••• Test}
> \stopcolor
>
> \starttikzpicture
> \fill[mycol] (0, 0) rectangle (2,4);
> \fill[mycol_h] (2, 0) rectangle ++(2,4);
> \fill[mycol_q] (4, 0) rectangle ++(2,4);
> \stoptikzpicture
> \stoptext
>
> I'm not so familiar with metafun, so I couldn't do the rectangle with
> metafun (the different colors between context/metafun and tikz would
> certainly be better visible so). But the bullet shows, that the text color
> isn't the same as the tikz-figure. But they should as they are identical.
> Something must have changed in color handling.
>
> Christian
>
> 2015-04-14 10:42 GMT+02:00 Hans Hagen <pragma at wxs.nl>:
>
>> On 4/14/2015 10:29 AM, Christian Prim wrote:
>>
>>> Thanks Hans for the fix!
>>>
>>> I have noticed, that spotcolors can be used in tikz, but they are
>>> darker. Is that wanted or a bug?
>>>
>>
>> they will map onto cmyk or rgb depending on definitions ... don't expect
>> advanced context color models to work with tikz (but they do work with
>> metafun)
>>
>>
>> Hans
>>
>> -----------------------------------------------------------------
>>                                           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
>> -----------------------------------------------------------------
>> ____________________________________________________________
>> _______________________
>> If your question is of interest to others as well, please add an entry to
>> the Wiki!
>>
>> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/
>> listinfo/ntg-context
>> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
>> archive  : http://foundry.supelec.fr/projects/contextrev/
>> wiki     : http://contextgarden.net
>> ____________________________________________________________
>> _______________________
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.ntg.nl/pipermail/ntg-context/attachments/20150416/b768a2bf/attachment.html>


More information about the ntg-context mailing list