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%D \module
%D [ file=font-xtx,
%D version=2004.09.11,
%D title=\CONTEXT\ Font Macros,
%D subtitle=\XETEX\ Hacks,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright=\PRAGMA]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
\ifnum\texengine=\xetexengine
\writestatus{loading}{ConTeXt Font Macros / XeTeX Hacks}
\else
\endinput
\fi
\unprotect
%D Loading:
%D for some reason xetex does not support [filename] for tfm files and
%D quotes also behave kind of strange " vs ' vs [ vs ...
%D
%D \starttyping
%D \font\myfont = msam7 % ok
%D \font\myfont = "msam7" % also ok
%D \font\myfont = "msam7" at 8pt % error
%D \stoptyping
\newconditional\tracexetexfonts
%D Because \XETEX\ is not that fast on locating fonts we cache lookups so
%D that we minimize the test. It saves a little bit of runtime, depending
%D on the number of fonts loaded (which is normally not that much).
\def\doiffoundXTXfontelse#1#2%
{\ifcsname xtx@fnt@#2\somefontspec\endcsname
\ifconditional\tracexetexfonts
\writestatus\m!fonts{already checked #1: #2\somefontspec\space (state: \number\csname xtx@fnt@#2\somefontspec\endcsname)}%
\fi
\else
\suppressfontnotfounderror\plusone
\font\xetextempfont=#2\somefontspec\relax
\suppressfontnotfounderror\zerocount
\edef\xetextempfont{\fontname\xetextempfont}%
\global\expandafter\chardef\csname xtx@fnt@#2\somefontspec\endcsname
\ifx\xetextempfont\nullfontname
\zerocount \ifconditional\tracexetexfonts
\writestatus\m!fonts{not found #1: #2\somefontspec}%
\fi
\else
\plusone \ifconditional\tracexetexfonts
\writestatus\m!fonts{found #1: #2\somefontspec}%
\fi
\fi
\fi
\ifcase\csname xtx@fnt@#2\somefontspec\endcsname
\expandafter\secondoftwoarguments
\else
\expandafter\firstoftwoarguments
\fi}
\def\docheckfontfilenameprefix#1:#2:#3#4\relax
{\edef\!!stringa{#1}%
\edef\!!stringb{#2}%
\ifx\!!stringb\empty
% no prefix
\let\checkedfontfile\!!stringa
\doiffoundXTXfontelse{1a}{\checkedfontfile\checkedfontfeatures}
{\edef\checkedfontfile{\checkedfontfile\checkedfontfeatures}}
{\doiffoundXTXfontelse{1b}{"\checkedfontfile\checkedfontfeatures"}
{\edef\checkedfontfile{"\checkedfontfile\checkedfontfeatures"}}
{\doiffoundXTXfontelse{1c}{"[\checkedfontfile]\checkedfontfeatures"}
{\edef\checkedfontfile{"[\checkedfontfile]\checkedfontfeatures"}}
{}}}%
\else\ifx\!!stringa\v!file
% force file, only file check when no spaces
\let\checkedfontfile\!!stringb
\doiffoundXTXfontelse{2a}{"[\checkedfontfile]\checkedfontfeatures"}
{\edef\checkedfontfile{"[\checkedfontfile]\checkedfontfeatures"}}
{\doiffoundXTXfontelse{2b}{"\checkedfontfile\checkedfontfeatures"}
{\edef\checkedfontfile{"\checkedfontfile\checkedfontfeatures"}}
{}}%
\else\ifx\!!stringa\v!name
% force name, always lookup by xetex itself, "" forces otf/ttf/type1
\edef\checkedfontfile{"\!!stringb\checkedfontfeatures"}%
\ifconditional\tracexetexfonts
\writestatus\m!fonts{no checking 3a: \checkedfontfile}%
\fi
\else
% whatever, maybe even xetex spec, forget about features
\edef\checkedfontfile{"\!!stringa\!!stringb"}%
\ifconditional\tracexetexfonts
\writestatus\m!fonts{no checking 3b: \checkedfontfile}%
\fi
\fi\fi\fi}
\def\checkfontfilename% -- todo: integrate so that we call do.. directly
{\expandafter\docheckfontfilename\fontfile*\empty*\relax}
\def\docheckfontfilename#1*#2#3*#4\relax % class overrules file
{\edef\checkedfontfeatures
{\expandafter\ifx\csname\fontclass\s!features\endcsname\empty
\ifx\@@fontfeatures\empty\ifx#2\empty\else#2#3\fi\else\@@fontfeatures\fi
\else\expandafter\ifx\csname\fontclass\s!features\endcsname\relax % redundant, will go away
\ifx\@@fontfeatures\empty\ifx#2\empty\else#2#3\fi\else\@@fontfeatures\fi
\else
\csname\fontclass\s!features\endcsname
\fi\fi}%
\ifx\checkedfontfeatures\empty
% done
\else
\edef\checkedfontfeatures{\executeifdefined{\??fa\checkedfontfeatures}\empty}%
\ifx\checkedfontfeatures\empty
% done
\else
\let\convertedfontfeatures\empty
\processcommacommand[\checkedfontfeatures]\doconvertfontfeatures % raw
\ifx\convertedfontfeatures\empty
\let\checkedfontfeatures\empty
\else
\edef\checkedfontfeatures{:\convertedfontfeatures}%
\fi
\fi
\fi
\docheckfontfilenameprefix#1:\empty:\empty\relax
\doshowcheckedfontfeatures}
\def\dodoconvertfontfeatures#1=#2#3=#4\relax
{\ifx#2\empty
% invalid feature
\else\ifcsname @xtx@#1@#2#3\endcsname
\expandafter\ifx\csname @xtx@#1@#2#3\endcsname\empty\else
\edef\convertedfontfeatures{\convertedfontfeatures\csname @xtx@#1@#2#3\endcsname;}%
\fi
\else
\edef\!!stringa{#1}%
\edef\!!stringb{#2#3}%
\edef\convertedfontfeatures
{\convertedfontfeatures
\ifx\!!stringb\v!yes
+\!!stringa
\else\ifx\!!stringb\v!no
-\!!stringa
\else
\!!stringa=\!!stringb
\fi\fi;}%
\fi\fi}
\def\doconvertfontfeatures#1%
{\dodoconvertfontfeatures#1=\empty=\relax}
\def\remapfontfeature #1 #2 #3 {\setevalue{@xtx@#1@#2}{#3}}
% this may move to another file, maybe font-xtx
\remapfontfeature tlig yes mapping=tlig
%remapfontfeature tlig no mapping=
\remapfontfeature trep yes {}
\remapfontfeature trep no {}
\remapfontfeature texligatures yes mapping=tlig
%remapfontfeature texligatures no mapping=
%remapfontfeature texquotes yes mapping=tex-text
%remapfontfeature texquotes no mapping=
%D Variants:
\unexpanded\def\variant[#1]%
{\dosetscaledfont
\font\variantfont\truefontname{\fontstringA\fontstylesuffix\fontvariant\fontstringA{#1}} at \scaledfont
\variantfont}
%D Possible optimizations:
% \def\updatefontparameters
% {\edef\@@fontfeatures{\truefontdata\fontfile\s!features}%
% \edef\@@fontskewchar{\truefontdata\fontfile\s!skewchar}}
% \def\setfontcharacteristics
% {\updatefontparameters % redundant, will go away, faster too
% \the\everyfont}
% \let\synchronizepatternswithfont\relax
%D Names:
% We need to move the feature into the filename else it may be
% overloaded by another reference. For instance the definition of
% a regular and caps variant can use the same font.
% We could use an indirect method ... store in 'array' and refer to
% slot.
\def\definefontsynonym[#1]#2[#3]%
{\edef\@@fontname{#1}%
\edef\@@fontfile{#3}%
\doifnextoptionalelse\dodefinefontsynonym\nodefinefontsynonym}
\def\nodefinefontsynonym
{\@EA\let\csname\??ff\fontclass\@@fontname\endcsname\@@fontfile}
\def\dodefinefontsynonym[#1]%
{\edef\@@fontdata{#1}%
\ifx\@@fontdata\empty
\nodefinefontsynonym
\else
\ifx\fontclass\empty
\getfontparameters
\else
\getglobalfontparameters
\fi
\ifcsname\??ff\@@fontfile\s!features\endcsname
\@EA\edef\csname\??ff\fontclass\@@fontname\endcsname{\@@fontfile*\csname\??ff\@@fontfile\s!features\endcsname}%
\@EA\let\csname\??ff\@@fontfile\s!features\endcsname\undefined
\else
\nodefinefontsynonym
\fi
\fi}
\let\definefontfile\definefontsynonym % dedicated to Taco Hoekwater
% simple version
%
% \def\truefontname#1%
% {\@EA\dotruefontname#1*\relax}
%
% \def\dotruefontname#1*#2\relax
% {\ifcsname\??ff\fontclass#1\endcsname
% \@EA\truefontname\csname\??ff\fontclass#1\endcsname
% \else\ifcsname\??ff#1\endcsname
% \@EA\truefontname\csname\??ff#1\endcsname
% \else
% #1%
% \fi\fi}
%
% last counts
%
% \def\truefontname#1%
% {\@EA\dotruefontname#1*\empty*\relax}
%
% \def\dotruefontname#1*#2#3*#4\relax
% {\ifcsname\??ff\fontclass#1\endcsname
% \ifx#2\empty
% \@EA\truefontname\csname\??ff\fontclass#1\endcsname
% \else
% \@EA\truefontname\csname\??ff\fontclass#1\endcsname*#2#3%
% \fi
% \else\ifcsname\??ff#1\endcsname
% \ifx#2\empty
% \@EA\truefontname\csname\??ff#1\endcsname
% \else
% \@EA\truefontname\csname\??ff#1\endcsname*#2#3%
% \fi
% \else
% \ifx#2\empty
% #1%
% \else
% #1*#2#3%
% \fi
% \fi\fi}
%
% first counts
\def\truefontname#1%
{\@EA\dotruefontname#1*\empty*\relax}
\def\dotruefontname#1*#2#3*#4\relax
{\ifcsname\??ff\fontclass#1\endcsname
\ifx#2\empty
\@EA\truefontname\csname\??ff\fontclass#1\endcsname
\else
\@EA\redotruefontname\csname\??ff\fontclass#1\endcsname*#2#3%
\fi
\else\ifcsname\??ff#1\endcsname
\ifx#2\empty
\@EA\truefontname\csname\??ff#1\endcsname
\else
\@EA\redotruefontname\csname\??ff#1\endcsname*#2#3%
\fi
\else
#1\ifx#2\empty\else*#2#3\fi
\fi\fi}
\def\redotruefontname#1%
{\@EA\dodotruefontname#1*\relax}
\def\dodotruefontname#1*#2\relax
{\ifcsname\??ff\fontclass#1\endcsname
\@EA\redotruefontname\csname\??ff\fontclass#1\endcsname
\else\ifcsname\??ff#1\endcsname
\@EA\redotruefontname\csname\??ff#1\endcsname
\else
#1%
\fi\fi}
%D Default:
\def\defaultfontfile{file:lmmono10-regular}
%D Maybe:
% \def\updatefontparameters
% {\edef\@@fontfeatures{\truefontdata\fontfile \s!features}%
% \edef\@@fontskewchar{\truefontdata\fontfile \s!skewchar}}
% \def\setfontcharacteristics
% {%\updatefontparameters % redundant, will go away, faster too
% \the\everyfont
% \synchronizepatternswithfont}
\protect \endinput
% \starttypescript[serif] [myzhfont]
% \definefontsynonym [Serif] [file:SimSun]
% \definefontsynonym [SerifBold] [file:SimSun]
% \definefontsynonym [SerifItalic] [file:SimSun]
% \definefontsynonym [SerifBoldItalic] [file:SimSun]
% \stoptypescript
% \starttypescript[sans] [myzhfont]
% \definefontsynonym [Sans] [file:SimSun]
% \definefontsynonym [SansBold] [file:SimSun]
% \definefontsynonym [SansItalic] [file:SimSun]
% \definefontsynonym [SansBoldItalic] [file:SimSun]
% \stoptypescript
% \starttypescript[mono] [myzhfont]
% \definefontsynonym [Mono] [file:SimSun]
% \definefontsynonym [MonoBold] [file:SimSun]
% \definefontsynonym [MonoItalic] [file:SimSun]
% \definefontsynonym [MonoBoldItalic] [file:SimSun]
% \stoptypescript
% \definetypeface [myzhfont] [rm] [serif][myzhfont] [default]
% \definetypeface [myzhfont] [ss] [sans] [myzhfont] [default]
% \definetypeface [myzhfont] [tt] [mono] [myzhfont] [default]
% \starttext
% % on windows: make sure fonts.conf has no cache mentioned
% %
% % 64 sec xetex, 11 sec luatex (56 sec xetex when \nobigmath)
% %
% \setupbodyfont[myzhfont] \dorecurse{10000}{{hello {\switchtobodyfont[myzhfont] 你好}}\par}
% %
% % 67 sec xetex, 11.5 sec luatex
% %
% % \dorecurse{10000}{{hello {\switchtobodyfont[myzhfont] 你好}}\par}
% %
% % 5 sec xetex, 7 sec luatex
% %
% % \setupbodyfont[myzhfont] \dorecurse{10000}{{hello {你好}}\par}
% %
% % 5 sec xetex, 7 sec luatex
% %
% % \setupbodyfont[myzhfont] \dorecurse{10000}{{\bf hello {你好}}\par}
% \stoptext
|
