* [NTG-context] transparent color
@ 2024-05-06 8:41 Hans van der Meer via ntg-context
2024-05-06 9:20 ` [NTG-context] " Henning Hraban Ramm
` (2 more replies)
0 siblings, 3 replies; 6+ messages in thread
From: Hans van der Meer via ntg-context @ 2024-05-06 8:41 UTC (permalink / raw)
To: NTG ConTeXt; +Cc: Hans van der Meer
[-- Attachment #1.1: Type: text/plain, Size: 359 bytes --]
I would like to use a transparent version of an existing color. Thus
\definecolor[transparentcolor][color,t=0.2,a=1]
instead of
\definecolor[transparentcolor][r=..,g=..,b=..,t=0.2,a=1]
because I do not know the rgb values of the color that must be made transparent, only its name.
How to accomplish?
yours sincerely
dr. Hans van der Meer
[-- Attachment #1.2: Type: text/html, Size: 1146 bytes --]
[-- Attachment #2: Type: text/plain, Size: 511 bytes --]
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
archive : https://github.com/contextgarden/context
wiki : https://wiki.contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* [NTG-context] Re: transparent color
2024-05-06 8:41 [NTG-context] transparent color Hans van der Meer via ntg-context
@ 2024-05-06 9:20 ` Henning Hraban Ramm
2024-05-06 13:30 ` Bruce Horrocks
2024-05-06 14:01 ` Jacob Kauffmann via ntg-context
2 siblings, 0 replies; 6+ messages in thread
From: Henning Hraban Ramm @ 2024-05-06 9:20 UTC (permalink / raw)
To: ntg-context
Am 06.05.24 um 10:41 schrieb Hans van der Meer via ntg-context:
> I would like to use a transparent version of an existing color. Thus
> \definecolor[transparentcolor][color,t=0.2,a=1]
> instead of
> \definecolor[transparentcolor][r=..,g=..,b=..,t=0.2,a=1]
> because I do not know the rgb values of the color that must be made
> transparent, only its name.
>
> How to accomplish?
Interesting task. Perhaps via multitone colors?
https://wiki.contextgarden.net/Spot_Colors
Otherwise you can use \definetransparency and \starttransparent around
\color (or \startcolor).
Hraban
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
archive : https://github.com/contextgarden/context
wiki : https://wiki.contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* [NTG-context] Re: transparent color
2024-05-06 8:41 [NTG-context] transparent color Hans van der Meer via ntg-context
2024-05-06 9:20 ` [NTG-context] " Henning Hraban Ramm
@ 2024-05-06 13:30 ` Bruce Horrocks
2024-05-06 15:21 ` Wolfgang Schuster
2024-05-06 14:01 ` Jacob Kauffmann via ntg-context
2 siblings, 1 reply; 6+ messages in thread
From: Bruce Horrocks @ 2024-05-06 13:30 UTC (permalink / raw)
To: ntg-context mailing list
> On 6 May 2024, at 09:41, Hans van der Meer via ntg-context <ntg-context@ntg.nl> wrote:
>
> I would like to use a transparent version of an existing color. Thus
> \definecolor[transparentcolor][color,t=0.2,a=1]
> instead of
> \definecolor[transparentcolor][r=..,g=..,b=..,t=0.2,a=1]
> because I do not know the rgb values of the color that must be made transparent, only its name.
>
> How to accomplish?
The Wiki page <https://wiki.contextgarden.net/Color> gives the source files for various sets of colours (built in, crayola etc) and the source has the RGB values in a fairly obvious format.
—
Bruce Horrocks
Hampshire, UK
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
archive : https://github.com/contextgarden/context
wiki : https://wiki.contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* [NTG-context] Re: transparent color
2024-05-06 8:41 [NTG-context] transparent color Hans van der Meer via ntg-context
2024-05-06 9:20 ` [NTG-context] " Henning Hraban Ramm
2024-05-06 13:30 ` Bruce Horrocks
@ 2024-05-06 14:01 ` Jacob Kauffmann via ntg-context
2024-05-06 14:15 ` Henning Hraban Ramm
2 siblings, 1 reply; 6+ messages in thread
From: Jacob Kauffmann via ntg-context @ 2024-05-06 14:01 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Jacob Kauffmann
> Am 06.05.2024 um 10:41 schrieb Hans van der Meer via ntg-context <ntg-context@ntg.nl>:
>
> I would like to use a transparent version of an existing color. Thus
> \definecolor[transparentcolor][color,t=0.2,a=1]
> instead of
> \definecolor[transparentcolor][r=..,g=..,b=..,t=0.2,a=1]
> because I do not know the rgb values of the color that must be made transparent, only its name.
>
> How to accomplish?
I think like this:
\definecolor[myred][r=.5]
\defineprocesscolor[myredish][myred][a=1,t=.2]
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
archive : https://github.com/contextgarden/context
wiki : https://wiki.contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* [NTG-context] Re: transparent color
2024-05-06 14:01 ` Jacob Kauffmann via ntg-context
@ 2024-05-06 14:15 ` Henning Hraban Ramm
0 siblings, 0 replies; 6+ messages in thread
From: Henning Hraban Ramm @ 2024-05-06 14:15 UTC (permalink / raw)
To: ntg-context
Am 06.05.24 um 16:01 schrieb Jacob Kauffmann via ntg-context:
>
>> Am 06.05.2024 um 10:41 schrieb Hans van der Meer via ntg-context <ntg-context@ntg.nl>:
>>
>> I would like to use a transparent version of an existing color. Thus
>> \definecolor[transparentcolor][color,t=0.2,a=1]
>> instead of
>> \definecolor[transparentcolor][r=..,g=..,b=..,t=0.2,a=1]
>> because I do not know the rgb values of the color that must be made transparent, only its name.
>>
>> How to accomplish?
>
> I think like this:
>
> \definecolor[myred][r=.5]
> \defineprocesscolor[myredish][myred][a=1,t=.2]
Oh, another one that I didn’t know. (Of course it’s in the source, but
only Wolfgang knows all of it. ;-)
Hraban
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
archive : https://github.com/contextgarden/context
wiki : https://wiki.contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* [NTG-context] Re: transparent color
2024-05-06 13:30 ` Bruce Horrocks
@ 2024-05-06 15:21 ` Wolfgang Schuster
0 siblings, 0 replies; 6+ messages in thread
From: Wolfgang Schuster @ 2024-05-06 15:21 UTC (permalink / raw)
To: mailing list for ConTeXt users, Bruce Horrocks
Bruce Horrocks schrieb am 06.05.2024 um 15:30:
>> On 6 May 2024, at 09:41, Hans van der Meer via ntg-context <ntg-context@ntg.nl> wrote:
>>
>> I would like to use a transparent version of an existing color. Thus
>> \definecolor[transparentcolor][color,t=0.2,a=1]
>> instead of
>> \definecolor[transparentcolor][r=..,g=..,b=..,t=0.2,a=1]
>> because I do not know the rgb values of the color that must be made transparent, only its name.
>>
>> How to accomplish?
> The Wiki page <https://wiki.contextgarden.net/Color> gives the source files for various sets of colours (built in, crayola etc) and the source has the RGB values in a fairly obvious format.
\definecolor [wolley] [\colorcomponents{yellow},t=0.5,a=1]
\starttext
%\showcolorcomponents [yellow]
\framed[background=color,backgroundcolor=darkblue,foregroundcolor=yellow]{yellow}
\framed[background=color,backgroundcolor=darkblue,foregroundcolor=wolley]{wolley}
\stoptext
Wolfgang
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
archive : https://github.com/contextgarden/context
wiki : https://wiki.contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2024-05-06 15:24 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-05-06 8:41 [NTG-context] transparent color Hans van der Meer via ntg-context
2024-05-06 9:20 ` [NTG-context] " Henning Hraban Ramm
2024-05-06 13:30 ` Bruce Horrocks
2024-05-06 15:21 ` Wolfgang Schuster
2024-05-06 14:01 ` Jacob Kauffmann via ntg-context
2024-05-06 14:15 ` Henning Hraban Ramm
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).