[NTG-context] quick and shallow question about layers

Hans Hagen pragma at wxs.nl
Thu Mar 27 00:07:22 CET 2014

On 3/26/2014 11:42 PM, Schmitz Thomas A. wrote:
> Hi,
> this is pretty shallow, but maybe someone knows a way: for one of my presentation, every slide has a (different) picture as background. The title is typeset within a narrow colored frame which extends across the entire slide. Is there any way to make the background picture show through the letters of the title, i.e. make the letters transparent within the colored frame? I thought of metapost’s infill, but it appears that this only adds a background color, not real transparency.
> Hope the question is clear enough - just in case someone has a suggestion; my life doesn’t depend on it!


             xysized(10cm,4cm) ;
             textext("\bf LOOK THROUGH")
             shifted center currentpicture
             withcolor red
             withtransparency (1,0.4) ;







{\color[myred]{\definedfont[Bold*default at 60pt]LOOK THROUGH}}


or ...


                                           Hans Hagen | PRAGMA ADE
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