[NTG-context] color expansion at runtime

Wolfgang Schuster schuster.wolfgang at googlemail.com
Sat Dec 15 11:17:29 CET 2007

2007/12/14, Peter Rolf <indiego at gmx.net>:
> Hi,
> I desperately need runtime defined colors (state dependent) for my
> macros. The macros are used with different graphic styles, which is the
> reason why I want to avoid any style dependent part inside them.
> To give you an example. I need something like this
> \color[{\StateDependentColor[stateA=green,stateC=blue,whatever=yellow,...]}]
> If flag 'stateA' is true at runtime, then color 'green' is used (and so
> on; order is significant).
> I have written such a macro, but sadly it crashes when used inside
> \color or \definecolor. Tried to debug it, but this is my first
> experience with the trace commands (probably not the best example to
> start with). Sigh, still so much to learn.. :)
> Any hints are welcome.
> Regards, Peter

Hi Peter,

can you try this (untested),



\def\statecolor{\ifcase\currentstate red\or green\or blue\fi}









More information about the ntg-context mailing list