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%
% luatexja-fontspec.sty
%
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{luatexja-fontspec}[2014/01/23 fontspec support of LuaTeX-ja]
\RequirePackage{fontspec,luatexja}
\ExplSyntaxOn
%%%%%%%% Messages
\cs_new:Npn \ltj_fontspec_warning:n { \msg_warning:nn {ltj-fontspec} }
\msg_new:nnn {ltj-fontspec} {addjfontfeatures-ignored}
{
\string\addjfontfeature (s)~ ignored;\\
it~ cannot~ be~ used~ with~ a~ font~ that~ wasn't~ selected~ by~ luatexja-fontspec.
}
\cs_generate_variant:Nn \prg_new_conditional:Nnn {Nnx}
%%%%%%%% For compatibility with old fontspec.
\prg_new_conditional:Nnx \ltj_fontspec_if_liiikeys: {TF,F} {
\@ifpackagelater {fontspec} {2011/09/13}
{ \exp_not:N \prg_return_true: } % fontspec >= 2.2 (l3keys)
{ \exp_not:N \prg_return_false: } % fontspec < 2.2 (xkeyval)
}
%%%%%%%% \g_ltj_fontspec_scale_fp
%% Default scale value for jfont.
\group_begin:
\fontsize{10}{10}\selectfont
\fp_gset:Nn \g_ltj_fontspec_scale_fp {\zw / 10}
\group_end:
%%%%%%%% Internal control sequences
%% Each CS is ltj_fontspec version that corresponds to original CS of fontspec.
\cs_new:Nn \ltj_fontspec_define_option:nn {
\ltj_fontspec_if_liiikeys:TF {
\keys_define:nn {fontspec} { #1 .code:n = {#2}}
} {
\define@key[zf]{options}{#1}{#2}
}
}
\cs_new:Nn \ltj_fontspec_define_preparse_external:nn {
\ltj_fontspec_if_liiikeys:TF {
\keys_define:nn {fontspec-preparse-external} { #1 .code:n = {#2}}
} {
\define@key[zf]{preparse-external}{#1}{#2}
}
}
\cs_new:Nn \ltj_fontspec_select:nn {
\group_begin:
\ltj_fontspec_define_option:nn {CID} {
\fontspec_update_fontid:n {+cid=##1}
\fontspec_update_featstr:n {cid=##1}
}
\ltj_fontspec_define_option:nn {JFM} {
\fontspec_update_fontid:n {+jfm=##1}
\fontspec_update_featstr:n {jfm=##1}
}
\ltj_fontspec_define_option:nn {JFM-var} {
\fontspec_update_fontid:n {+jfmvar=##1}
\fontspec_update_featstr:n {jfmvar=##1}
}
\ltj_fontspec_define_preparse_external:nn {NoEmbed} {
\cs_set:Nn \fontspec_namewrap:n {psft:####1}
}
%% Omit the warning message
%% "OpenType feature 'Kerning=Off' (-kern) not available ..."
\ltj_fontspec_define_option:nn {Kerning/Off} {
\fontspec_update_fontid:n {-kern}
\fontspec_update_featstr:n {-kern}
}
\ltj_fontspec_if_liiikeys:TF {
\tl_set:Nn \g_fontspec_encoding_tl {JY3}
} {
\tl_set:Nn \zf@enc {JY3}
}
\tl_set:Nx \g_fontspec_default_fontopts_tl
{JFM=ujis,Scale=\fp_use:N \g_ltj_fontspec_scale_fp,Kerning=Off,\g_ltj_fontspec_default_fontopts_tl}
\prop_set_eq:NN \g__fontspec_fontopts_prop \g__ltj_fontspec_fontopts_prop
\cs_set_eq:NN \DeclareFontFamily \DeclareKanjiFamily
\fontspec_select:nn{#1}{#2}
\group_end:
\ltj_fontspec_if_liiikeys:F {
\tl_set_eq:NN \l_fontspec_family_tl \zf@family
}
}
\cs_new:Nn \ltj_fontspec_set_family:Nnn {
\ltj_fontspec_select:nn{#2}{#3}
\tl_set_eq:NN #1 \l_fontspec_family_tl
}
%%%%%%%% User commands
\DeclareDocumentCommand \jfontspec { O{} m } {
\ltj_fontspec_set_family:Nnn \k@family {#1}{#2}
\selectfont
\ignorespaces
}
\DeclareDocumentCommand \setmainjfont { O{} m } {
\ltj_fontspec_set_family:Nnn \mcdefault {#1}{#2}
\DeclareSymbolFont{mincho}{JY3}{\l_fontspec_family_tl}{m}{n}
\SetSymbolFont{mincho}{bold}{JY3}{\l_fontspec_family_tl}{bx}{n}
\normalfont
}
\DeclareDocumentCommand \setsansjfont { O{} m } {
\ltj_fontspec_set_family:Nnn \gtdefault {#1}{#2}
\DeclareMathAlphabet{\mathgt}{JY3}{\l_fontspec_family_tl}{m}{n}
\normalfont
}
\DeclareDocumentCommand \newjfontfamily { m O{} m } {
\ltj_fontspec_select:nn{#2}{#3}
\use:x {
\exp_not:N \DeclareRobustCommand \exp_not:N #1 {
\exp_not:N \kanjifamily {\l_fontspec_family_tl} \exp_not:N \selectfont
}
}
}
\DeclareDocumentCommand \newjfontface { m O{} m } {
\newjfontfamily #1 [ BoldFont={},ItalicFont={},SmallCapsFont={},#2 ] {#3}
}
\tl_new:N \g_ltj_fontspec_default_fontopts_tl
\prop_new:N \g__ltj_fontspec_fontopts_prop
\DeclareDocumentCommand \defaultjfontfeatures { o m }
{
\IfNoValueTF {#1}
{ \__ltj_fontspec_set_default_features:n {#2} }
{ \__ltj_fontspec_set_font_default_features:nn {#1} {#2} }
}
\cs_new:Nn \__ltj_fontspec_set_default_features:n
{
\tl_set:Nn \g_ltj_fontspec_default_fontopts_tl {#1,}
}
\cs_new:Nn \__ltj_fontspec_set_font_default_features:nn
{
\__fontspec_sanitise_fontname:Nn \l__fontspec_tmp_tl {#1}
\tl_if_empty:nTF {#2}
{ \prop_gremove:NV \g__ltj_fontspec_fontopts_prop \l__fontspec_tmp_tl }
{ \prop_gput:NVn \g__ltj_fontspec_fontopts_prop \l__fontspec_tmp_tl {#2} }
}
\DeclareDocumentCommand \addjfontfeatures {m} {
\ifcsname zf@family@fontdef\k@family\endcsname
\group_begin:
\tl_clear:N \g_ltj_fontspec_default_fontopts_tl
\use:x {
\exp_not:N\ltj_fontspec_select:nn
{\csname zf@family@options\k@family\endcsname,#1}
{\csname zf@family@fontname\k@family\endcsname}
}
\group_end:
\fontfamily\l_fontspec_family_tl\selectfont
\else
\ltj_fontspec_warning:n {addjfontfeatures-ignored}
\fi
\ignorespaces
}
\cs_set_eq:NN \addjfontfeature \addjfontfeatures
%%% CJKShape=JIS2004
\fontspec_define_feature_option:nnnnn{CJKShape}{JIS2004}{20}{5}{+jp04}
\ExplSyntaxOff
%%%%%%%% Now we completely ignore kanjifont definition file.
\DeclareRobustCommand\fontfamily[1]{%
\@notkfamfalse\@notffamfalse
\edef\tmp@item{'\luatexluaescapestring{#1}'}%
\edef\tmp@enc{'\luatexluaescapestring{\f@encoding}'}%
\ifcsname \k@encoding+#1\endcsname % if \k@encoding+#1 is already defined
\edef\k@family{#1}%
\else\@notkfamtrue\fi
\ifcsname \f@encoding+#1\endcsname
\edef\f@family{#1}%
\else % search font definition file...
\directlua{luatexja.jfont.is_ffam(\tmp@enc, \tmp@item)}%
\ifin@\edef\k@family{#1}\else%
\directlua{luatexja.jfont.is_Nffam(\tmp@enc, \tmp@item)}%
\ifin@\@notffamtrue\else%
% filename of font definition file is always lowercase
\edef\@temp{\lowercase{\noexpand\IfFileExists{\f@encoding#1.fd}}}%
\message{(I search font definition file)}%
\@temp{\@tempswztrue}{\@tempswzfalse}%
\if@tempswz
\directlua{luatexja.jfont.add_ffam_list(\tmp@enc, \tmp@item)}%
\edef\f@family{#1}%
\else
\directlua{luatexja.jfont.add_Nffam_list(\tmp@enc, \tmp@item)}%
\@notffamtrue%
\fi
\fi
\fi
\fi
\if@notkfam\if@notffam
{\ifcsname D@\k@encoding\endcsname\@nameuse{D@\k@encoding}\fi
\xdef\@@temp{\default@family}}\edef\k@family{\@@temp}%
{\ifcsname D@\f@encoding\endcsname\@nameuse{D@\f@encoding}\fi
\xdef\@@temp{\default@family}}\edef\f@family{\@@temp}%
\fi\fi
}
% We must redefine \try@load@fontshape to ignore kanjifont definitions at all.
\def\try@load@fontshape{%
\expandafter
\ifx\csname \f@encoding+\f@family\endcsname\relax
\directlua{luatexja.jfont.is_kenc('\luatexluaescapestring{\f@encoding}')}%
\ifin@ % Japanese font: we don't search fd.
\@font@warning{We don't search kanjifont definition
\MessageBreak for \f@encoding/\f@family}%
\else % Alphabetic font
\@font@info{Try loading font information for \f@encoding+\f@family}%
\global\expandafter\let
\csname\f@encoding+\f@family\endcsname\@empty
\nfss@catcodes
\let\nfss@catcodes\relax
\edef\reserved@a{%
\lowercase{%
\noexpand\InputIfFileExists{\f@encoding\f@family.fd}}}%
\reserved@a\relax
{\@input@{\f@encoding\f@family.fd}}%
\fi
\fi}
\endinput
|
