[NTG-context] new mp feature

8 Apr 2009

      Hi,

especially for mojca (gnuplot) ... multiple isolated mp intances ...

predefined are:

\defineMPformat[metafun] 
[\s!format=metafun,\s!extensions=\v!yes,\s!initializations=\v!yes]
\defineMPformat[extrafun][\s!format=metafun,\s!extensions=\v!yes,\s!initializations=\v!yes]
\defineMPformat[metapost][\s!format=mpost]
\defineMPformat[nofun]   [\s!format=mpost]

but you can define more; the overhead is neglectable

for the moment (testers) need to set

\let\processMPgraphic\extendedprocessMPgraphic

as i don't want to break the current mechanism

test file (with upcoming beta) ..

\setupcolors[state=start]

\startuseMPgraphic{test1}
     color MyColor ; MyColor = red ;
     fill fullcircle scaled 1cm withcolor MyColor ;
\stopuseMPgraphic
\startuseMPgraphic{test2}
     color MyColor ; MyColor = green ;
     fill fullcircle scaled 1cm withcolor MyColor ;
\stopuseMPgraphic
\startuseMPgraphic{test3}
     fill fullcircle scaled 1cm withcolor MyColor ;
\stopuseMPgraphic
\startuseMPgraphic{test4}
     color MyColor ; MyColor = blue ;
\stopuseMPgraphic

\useMPgraphic{metafun::test1}
\useMPgraphic{metafun::test2}
\useMPgraphic{metafun::test3}
\useMPgraphic{extrafun::test4}
\useMPgraphic{extrafun::test3}
\useMPgraphic{metafun::test3}
\useMPgraphic{nofun::test4}
\useMPgraphic{nofun::test3}

\startMPcode
     fill fullsquare scaled 1cm ;
\stopMPcode
\startMPcode{metafun}
     fill fullsquare scaled 1cm withcolor MyColor ;
\stopMPcode

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