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@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@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
>>
>> -----------------------------------------------------------------
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>>               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
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>>                                              | www.pragma-pod.nl
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>
>