[NTG-context] layout parameter testing

Wolfgang Schuster schuster.wolfgang at googlemail.com
Thu Nov 13 21:48:17 CET 2008


Am 13.11.2008 um 20:52 schrieb Alan STONE:

> Hi,
>
> With \definelayout[myLayout][...], how do you test whether one of  
> its parameters has a certain value, is greater than 0, etc... ?

\definelayout
   [mylayout]
   [backspace=3cm,
    width=12cm]

\starttext

\doifdimensionelse{\namedlayoutparameter{mylayout}{width}} % width  
could be 'fit'
   {\ifdim\namedlayoutparameter{mylayout}{width}<10cm
      ...
    \else
      ...
    \fi}
   {\processaction
      [\namedlayoutparameter{mylayout}{width}]
      [fit=>...,
       unknown=>...]}

\stoptext

Wolfgang



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