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+%D \module
+%D [ file=meta-tex,
+%D version=2006.06.07,
+%D title=\CONTEXT\ Support Macros,
+%D subtitle=\METAPOST\ fast text insertion,
+%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 mreadme.pdf for
+%C details.
+
+\registerctxluafile{meta-tex}{}
+
+\unprotect
+
+% Ok, we support this in MkIV because Mojca kept the pressure on. It
+% looks a bit like a hack. But in fact this method is obsolete and
+% eventually might go away.
+
+\installcorenamespace{graphictextext}
+\installcorenamespace{graphictexdepth}
+\installcorenamespace{graphictexarguments}
+
+\permanent\protected\def\startTeXtexts#1\stopTeXtexts
+ {#1}
+
+\aliased\let\stopTeXtexts\relax
+
+\permanent\tolerant\protected\def\TeXtext[#1]#:#2#3% contrary to mkii we don't process yet but we do expand
+ {\setxvalue{\??graphictextext#2}{\meta_textext_indeed{#1}{#3}}}
+
+\protected\def\meta_textext_indeed#1#2%
+ {\begingroup
+ \setbox\nextbox\hbox{#2}%
+ \ifcsname\??graphictexdepth#1\endcsname
+ \lastnamedcs
+ \else
+ \syst_boxes_lower_nextbox_dp
+ \fi
+ \box\nextbox
+ \endgroup}
+
+\permanent\def\getTeXtext#1%
+ {\begincsname\??graphictextext#1\endcsname}
+
+\letvalue{\??graphictexdepth d}\syst_boxes_lower_nextbox_dp
+\letvalue{\??graphictexdepth \s!depth}\syst_boxes_lower_nextbox_dp
+\letvalue{\??graphictexdepth n}\donothing
+\letvalue{\??graphictexdepth\s!nodepth}\donothing
+
+% old hackery, slightly modernized
+
+\permanent\protected\def\definetextext[#1]%
+ {\tolerant\defcsname\??graphictexarguments#1\endcsname}
+
+\permanent\tolerant\def\sometxt[#1]#*[#2]%
+ {\ifarguments
+ \expandafter\meta_some_txt_a
+ \or
+ \expandafter\meta_some_txt_b
+ \or
+ \expandafter\meta_some_txt_c
+ \or
+ \fi{#1}{#2}}
+
+\def\meta_some_txt_a#1#2#3{textext.drt("\clf_metapostescaped{#3}")}
+\def\meta_some_txt_b#1#2#3{textext.drt("\mpsometxt{#1}{\clf_metapostescaped{#3}}")}
+\def\meta_some_txt_c#1#2#3{textext.drt("\mpsometxt{#1}[#2]{\clf_metapostescaped{#3}}")}
+
+\permanent\protected\def\mpsometxt#1%
+ {\begincsname\??graphictexarguments#1\endcsname}
+
+% \definetextext[framed]{\framed}
+%
+% \startMPcode
+% draw \sometxt[framed]{black} rotated 45 ;
+% \stopMPcode
+%
+% But Mojca wanted more! Two arguments.
+%
+% \definetextext[framed]{\framed}
+%
+% \startMPcode
+% draw \sometxt{This is for} rotated 45 ;
+% draw \sometxt[framed][foregroundstyle=bold]{Mojca's};
+% draw \sometxt[framed]{eyes only!} rotated -45 ;
+% \stopMPcode
+%
+% \definetextext[framed][#1]#2{\framed[width=4cm]{\switchtobodyfont[#1]#2}}
+% \definetextext[simple]{\framed[width=8cm]}
+%
+% \starttext
+%
+% \startMPcode
+% draw \sometxt{This is for} rotated 45 ;
+% draw \sometxt[framed][ss,16pt] {Mojca's};
+% draw \sometxt[framed]{eyes only!} rotated -45 ;
+% draw \sometxt[simple]{Quotes "indeed" work!} rotated 180 ;
+% \stopMPcode
+%
+% \stoptext
+%
+% a lua one:
+%
+% \protected\def\definetextext[#1]#2{\setvalue{@@st@@#1}{#2}}
+%
+% \def\sometxt #1#{\dosometxt{#1}} % grab optional [args]
+% \def\dosometxt #1#2{\ctxlua{metapost.sometxt(\!!bs#1\!!es,\!!bs#2\!!es)}}
+%
+% \def\sometxta #1{textext.drt("#1")}
+% \def\sometxtb #1#2{textext.drt("\getvalue{@@st@@#1}{#2}")}
+% \def\sometxtc #1#2#3{textext.drt("\getvalue{@@st@@#1}{\switchtobodyfont[#2]#3}")}
+
+% Best use the mp macro instead since it provides positioning.
+%
+% \startuseMPgraphic{testgraphic}
+% draw \sometxt{\ruledhbox{\strut hans hagen}} scaled 3;
+% % draw textext.drt("\ruledhbox{\strut hans hagen}") scaled 3;
+% % draw textext.dlft("\ruledhbox{\strut hans hagen}") scaled 3;
+% % draw textext.lft("\ruledhbox{\strut hans hagen}") scaled 3;
+% draw llcorner currentpicture -- urcorner currentpicture withcolor yellow;
+% draw lrcorner currentpicture -- ulcorner currentpicture withcolor yellow;
+% draw boundingbox currentpicture withcolor blue ;
+% draw origin withcolor red withpen pencircle scaled 1pt;
+% \stopuseMPgraphic
+%
+% {\showstruts\useMPgraphic{testgraphic}}
+
+\permanent\protected\def\MPexponent #1#2{\mathematics{#1\times10^{#2}}}
+\permanent\protected\def\MPformatted #1#2{\clf_metapostformatted{#1}{#2}}
+\permanent\protected\def\MPgraphformat#1#2{\clf_metapostgraphformat{#1}{#2}}
+
+%D Some new fun (but exprimental for a while):
+
+\permanent\protected\def\MPLIBoutlinetext#1#2#3% index kind text
+ {\begingroup
+ \setbox\scratchbox\hbox{#3}%
+ \clf_MPLIBconvertoutlinetext\numexpr#1\relax{#2}\scratchbox
+ \endgroup}
+
+%D For now here. We don't do the whole thing, because then one can as
+%D well just export to pdf. We assume consistent integration.
+
+\definefontsynonym[serif-normal-normal] [\s!Serif]
+\definefontsynonym[serif-normal-italic] [\s!SerifItalic]
+\definefontsynonym[serif-normal-oblique][\s!SerifSlanted]
+\definefontsynonym[serif-bold-normal] [\s!SerifBold]
+\definefontsynonym[serif-bold-italic] [\s!SerifBoldItalic]
+\definefontsynonym[serif-bold-oblique] [\s!SerifBoldSlanted]
+
+\definefontsynonym[sans-normal-normal] [\s!Sans]
+\definefontsynonym[sans-normal-italic] [\s!SansItalic]
+\definefontsynonym[sans-normal-oblique] [\s!SansSlanted]
+\definefontsynonym[sans-bold-normal] [\s!SansBold]
+\definefontsynonym[sans-bold-italic] [\s!SansBoldItalic]
+\definefontsynonym[sans-bold-oblique] [\s!SansBoldSlanted]
+
+\definefontsynonym[mono-normal-normal] [\s!Mono]
+\definefontsynonym[mono-normal-italic] [\s!MonoItalic]
+\definefontsynonym[mono-normal-oblique] [\s!MonoSlanted]
+\definefontsynonym[mono-bold-normal] [\s!MonoBold]
+\definefontsynonym[mono-bold-italic] [\s!MonoBoldItalic]
+\definefontsynonym[mono-bold-oblique] [\s!MonoBoldSlanted]
+
+\installcorenamespace {svgfamily}
+
+\setvalue{\??svgfamily }{serif}
+\setvalue{\??svgfamily serif}{serif}
+\setvalue{\??svgfamily sans}{sans}
+\setvalue{\??svgfamily mono}{mono}
+
+%D This can't change because otherwise \type {\scale[width=4cm]{graphic}} fails.
+
+\permanent\protected\def\svgscaled#1%
+ {\fastsxsy{#1}{#1}\svgnormal}
+
+\permanent\protected\def\svgnormal#1#2#3#4% family weight style text
+ {\bgroup
+ \edef\p_family{#1}%
+ \ifempty\p_family\else
+ \edef\p_font{\ifcsname\??svgfamily#1\endcsname\lastnamedcs\else#1\fi-#2-#3}%
+ \predefinedfont[\s!spec:\p_font*\s!default\space @ 10bp]%
+ \fi
+ #4%
+ \egroup}
+
+\permanent\protected\def\svgcolored#1#2#3#4% r g b text
+ {\colored[r=#1,g=#2,b=#3]{#4}}
+
+% \permanent\protected\def\svgplaced#1#2#3#4% dx dy width text
+% {\doifelsenothing{#3}%
+% {\hpack}%
+% {\hpack to #3}%
+% {\raise#2\onebasepoint\hbox{\kern#1\onebasepoint\relax#4}}}
+
+\permanent\protected\def\svgplaced#1#2#3#4% dx dy width text
+ {\doifelsenothing{#3}%
+ {\hpack}%
+ {\hpack to #3}%
+ {\offsetbox[\c!y=#2]\hbox{\kern#1\relax#4}}}
+
+\newdimen\grph_svg_scratchwidth % maybe \startsvgpos etc
+
+\permanent\protected\def\svgposchar#1#2#3% dx dy char
+ {\setbox\scratchbox\hpack\bgroup
+ \raise#2\onebasepoint\hbox\bgroup
+ \kern\dimexpr#1\onebasepoint-\grph_svg_scratchwidth\relax
+ \char#3\relax
+ \egroup
+ \egroup
+ \advance\grph_svg_scratchwidth\wd\scratchbox
+ \box\scratchbox}
+
+\permanent\protected\def\svgchar#1% char
+ {\char#1\relax}
+
+\definelayer[svgmps][\c!method=\v!fit]
+
+\permanent\protected\def\svgstartlayer
+ {\resetlayer[svgmps]%
+ \setlayer[svgmps]\bgroup}
+
+\permanent\protected\def\svgstoplayer
+ {\egroup
+ \flushlayer[svgmps]}
+
+\permanent\protected\def\svgsetlayer#1#2%
+ {\setlayer[svgmps][\c!x=#1\onebasepoint,\c!y=#2\onebasepoint]} % {#3}
+
+\permanent\protected\def\svghashed#1%
+ {\clf_svghashed#1\relax}
+
+\protect \endinput