\iftextures? (was: [OS X TeX] \colordvi in plain tex)

Bruno Voisin bvoisin at mac.com
Sun Mar 6 13:00:10 EST 2005

Le 6 mars 05, à 18:24, Frank STENGEL a écrit :

> Le 6 mars 05, à 16:55, Bruno Voisin a écrit :
> <snip>
>> either dvips, pdfTeX or Textures I defined (with \ifpdf and 
>> \iftextures additional commands, not shown here, testing whether 
>> we're using pdfTeX and Textures):
> \ifpdf I know about: it is defined in ifpdf.sty. But how do you define 
> \iftextures?
> After googling, the only things I saw are class options that set 
> \iftextures. Is there an automatic way?

No, that was also a manual switch I had put in the letter macro file:


Similarly \ifpdf was also something that was defined in the macro file, 
but this time automatically:


ifpdf.sty does essentially the same, but with a lot of tests beforehand 
to look whether the switch has already been defined etc.

Sorry to not have been more explicit. I am not aware of any automatic 
way to detect whether Textures is run, similar to testing for 
\pdfoutput for pdfTeX and \XeTeXversion for XeTeX.

BTW, regarding predefined colors, I mentioned colordvi.tex for dvips 
and pdfcolor.tex for pdfTeX, but forgot, for completeness, 
"/Applications (Mac OS 9)/Textures/TeX Inputs/CrayolaColors" for 

Bruno Voisin
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