% content=tex
%
% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa

\setupcolors[state=start]

\starttext

\startMPpage
    loadfigure "detcow.mp" ;
    refill currentpicture withcolor transparent(1,.5,.5red) ;
    redraw currentpicture withcolor .5red ;
\stopMPpage

\stoptext