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%D \module
%D [ file=mp-bare.mpiv,
%D version=2014.10.31,
%D title=\CONTEXT\ \METAPOST\ graphics,
%D subtitle=plain plugins,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See licen-en.pdf for
%C details.
if known context_bare : endinput ; fi ;
boolean context_bare ; context_bare := true ;
numeric mfun_tt_w[], mfun_tt_h[], mfun_tt_d[] ;
numeric mfun_tt_n ; mfun_tt_n := 0 ;
picture mfun_tt_p ; mfun_tt_p := nullpicture ;
picture mfun_tt_o ; mfun_tt_o := nullpicture ;
picture mfun_tt_c ; mfun_tt_c := nullpicture ;
if unknown mfun_trial_run :
boolean mfun_trial_run ;
mfun_trial_run := false ;
fi ;
if unknown mfun_first_run :
boolean mfun_first_run ;
mfun_first_run := true ;
fi ;
def mfun_reset_tex_texts =
mfun_tt_n := 0 ;
mfun_tt_p := nullpicture ;
mfun_tt_o := nullpicture ; % redundant
mfun_tt_c := nullpicture ; % redundant
enddef ;
def mfun_flush_tex_texts =
addto currentpicture also mfun_tt_p
enddef ;
extra_beginfig := extra_beginfig & "mfun_reset_tex_texts ;" ;
extra_endfig := "mfun_flush_tex_texts ; mfun_reset_tex_texts ; " & extra_endfig ;
vardef colordecimals primary c =
if cmykcolor c :
decimal cyanpart c & ":" & decimal magentapart c & ":" & decimal yellowpart c & ":" & decimal blackpart c
elseif rgbcolor c :
decimal redpart c & ":" & decimal greenpart c & ":" & decimal bluepart c
else :
decimal c
fi
enddef ;
vardef rawtextext(expr str) = % todo: avoid currentpicture
if str = "" :
nullpicture
else :
mfun_tt_n := mfun_tt_n + 1 ;
mfun_tt_c := nullpicture ;
if mfun_trial_run :
mfun_tt_o := nullpicture ;
addto mfun_tt_o doublepath origin _op_ ; % save drawoptions
addto mfun_tt_c doublepath unitsquare
withprescript "tx_number=" & decimal mfun_tt_n
withprescript "tx_stage=trial"
withprescript "tx_color=" & colordecimals colorpart mfun_tt_o
withpostscript str ;
addto mfun_tt_p also mfun_tt_c ;
elseif known mfun_tt_d[mfun_tt_n] :
addto mfun_tt_c doublepath unitsquare
xscaled mfun_tt_w[mfun_tt_n]
yscaled (mfun_tt_h[mfun_tt_n] + mfun_tt_d[mfun_tt_n])
shifted (0,-mfun_tt_d[mfun_tt_n])
withprescript "tx_number=" & decimal mfun_tt_n
withprescript "tx_stage=final" ;
else :
addto mfun_tt_c doublepath unitsquare ; % unitpicture
fi ;
mfun_tt_c
fi
enddef ;
primarydef str infont name = % nasty hack
if name = "" :
rawtextext(str)
else :
rawtextext("\definedfont[" & name & "]" & str)
fi
enddef ;
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