Hans van der Meer wrote:
I'm sorry, I ran it in a few variations, but neither does work here:
ah .. all those users who want to stress this tex-mp game to the limits
... keep in mind that tex in mp is actually a hack!
your unknown will go away when you redefine the color commands to be
unexpandable
\unexpanded\def\startcolor
{\ifincolor
\expandafter\doglobalstartcolor
\else
\expandafter\noglobalstartcolor
\fi}
\unexpanded\def\stopcolor
{\ifincolor
\doglobalstopcolor
\else
\noglobalstopcolor
\fi}
\setupcolors[state=start]
\startMPenvironment % both with and without: [global]
\setupcolors[state=start]
\stopMPenvironment
\setupMPpage[offset=2mm]
\startuseMPgraphic{test}
label(textext("\color[green]{XYZ}"), (0,0)); %
returns black XYZ on execute
label(textext("\startcolor[red]{XYZ}\stopcolor"), (0,20)); %
returns "unknown" on execute
\stopuseMPgraphic
\starttext
\forceMPTEXgraphictrue
\startMPpage
\includeMPgraphic{test}
\stopMPpage
\stoptext
I tried to run this on context-live but there got both outputs to
"unknown".
color itself ... mp only reads back the character (+ some rule) data,
nothing else, so color needs to be applied at another level (there is
some limited and therefore useless special support)
so, the best i can give you is:
% output=pdf
\unexpanded\def\startcolor
{\ifincolor
\expandafter\doglobalstartcolor
\else
\expandafter\noglobalstartcolor
\fi}
\unexpanded\def\stopcolor
{\ifincolor
\doglobalstopcolor
\else
\noglobalstopcolor
\fi}
\setupcolors[state=start]
\startMPenvironment % both with and without: [global]
% only font and macro defs make sense here
\stopMPenvironment
\setupMPpage[offset=2mm]
\startuseMPgraphic{test}
draw thelabel(textext("XYZ"), (0,0)) withcolor \MPcolor{green} ;
draw thelabel(textext("XYZ"), (0,20)) withcolor \MPcolor{red} ;
\stopuseMPgraphic
\starttext
\forceMPTEXgraphictrue
\startMPpage
\includeMPgraphic{test}
\stopMPpage
\stoptext
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