Re: Strange problem with metapost graphics

[Hans Hagen <pragma@wxs.nl>]

Jean Magnan de Bornier wrote:
> Hi all, 
> Here is minimal example of some trouble I have:
> 
> ...................................
> \startMPinclusions
>  numeric u; u=1cm;
> \stopMPinclusions
> \starttext
> \startuseMPgraphic{dummy}
> drawarrow (0,0)..(8u,0);
> label.bot(\sometxt{temps}, (7u,-.5u));
> \stopuseMPgraphic
> \placefigure[fig:Uncontratdanslaflèchedutemps]{Un contrat dans la flèche du temps}{\useMPgraphic{dummy}}
> 
> 
> \startuseMPgraphic{ummy}
>   pair A[];
>   A[0]:=(-1u, -1u);
>   A[1]:=( 6u, -1u);
>   A[2]:=( 6u,  4u);
>   A[3]:=(-1u,  4u);
>   draw A[0]--A[1]--A[2]--A[3]--cycle withpen pencircle scaled 1pt;
> label.bot(\sometxt{Dupont}, A[0]);
> label.top(\sometxt{Smith}, A[2]);
> \stopuseMPgraphic
> \placefigure[fig:Boîte d'Edgeworth]{Boîte d'Edgeworth}{\useMPgraphic{ummy}}
> \stoptext
> .................................
> 
> The trouble is that this compiles nicely with pdftex, a little less nicely
> with xetex, and badly with luatex, tested at home and on context live.
> 
> - xetex: the label in the first graphic appears with bad size.
> 
> - luatex: first label in the second graphic appears with bad size and font,
> and second label disappears; but if I comment out the label in the first
> graphic, the second graphic is as expected.
> 
> Any idea?

at the end of mp-mlib.mp add

def resettextexts =
     _tt_n_ := 0 ;
enddef ;

extra_endfig   := extra_endfig   & "resettextexts ; " ;

then run

ctxtools --touch
context --make (or texexec --make --luatex)


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                                           Hans Hagen | PRAGMA ADE
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