2020. 4. 17. 오전 5:01, Hans Hagen <j.hagen@xs4all.nl> 작성:

On 4/16/2020 8:36 PM, Jeong Dal wrote:

Hi,
The following sample code is working well in the \startMPpage ~ \stopMPpage, but is not working in the \startMPcode ~ \stopMPcode.
The error message is
\textfont0 is undefined (character 63)
l.6 \setstrut\strut $A$
If I remove “$” from the code, it is also working in \startMPcode ~ \stopMPcode.
Is there anything which I have to set for \startMPcode?

\starttext ... \stoptext

or

\startMPpage[instance=doublefun]

\stopMPpage

Best regards,
Dalyoung
%%%%%%%%
\startMPcode{doublefun}
%\startMPpage
numeric count, temp[], tt, minus, u; u := 1cm;
path p,q,r;
pair A,B,C,D;
string varName, ss, pos[];
p := unitsquare xyscaled (8u,3.5u);
*draw p;*
*
*
pos[0] := "bot";
pos[1] := "rt";
pos[2] := "top";
pos[3] := "lft";
varName := "yxwz";
count := 0;
pickup pencircle scaled 5pt;
for i = 0 upto 3:
drawdot (point i of p);
draw lmt_text[
text = "$" & char(65+i) & "$",
anchor = pos[i],
offset = 2pt,
position = point i of p,
];
endfor;
%\stopMPpage
\stopMPcode
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