-%%%%%%%% Internal control sequences
-%% Each CS is ltj_fontspec version that corresponds to original CS of fontspec.
-\cs_new:Nn \ltj_fontspec_define_option:nn {
- \keys_define:nn {fontspec} { #1 .code:n = {#2}}
-}
-
-\cs_new:Nn \ltj_fontspec_define_preparse_external:nn {
- \keys_define:nn {fontspec-preparse-external} { #1 .code:n = {#2}}
-}
-
-%% Alternate Fonts
-\bool_new:N \l_fontspec_alt_bool
-\tl_clear:N \ltj_fontspec_fontname_alt_tl
-\tl_clear:N \ltj_fontspec_fontfeat_alt_clist
-\tl_clear:N \ltj_fontspec_altrange_clist
-
-\cs_new:Nn \__ltj_fontspec_altfontrange_key_code:n
- {
- \bool_if:NF \l_fontspec_firsttime_bool
- {
- \tl_set:Nn \ltj_fontspec_altrange_clist {#1}
- }
- }
-\cs_new:Nn \__ltj_fontspec_altfontfeature_key_code:n
- {
- \fontspec_update_fontid:n {altfeat:#1}
- \bool_if:NF \l_fontspec_firsttime_bool
- {
- \tl_if_empty:nTF {#1}
- { \bool_set_false:N \ltj_fontspec_alt_bool }
- { \bool_set_true:N \ltj_fontspec_alt_bool }
- \tl_set:Nn \ltj_fontspec_fontfeat_alt_clist {, #1}
- }
- }
-\cs_new:Nn \__ltj_fontspec_altfont_key_code:n
- {
- \tl_if_empty:nF {#1}
- {
- \fontspec_complete_fontname:Nn \ltj_fontspec_fontname_alt_tl {#1}
- \fontspec_update_fontid:n {alt:#1}
- }
- }
-
-\cs_new:Nn \ltj_fontspec_select:nn {
- \group_begin:
- \bool_set_false:N \ltj_fontspec_alt_bool
- \ltj_fontspec_define_option:nn {AltFont} {
- \__ltj_fontspec_altfont_key_code:n { ##1 }
- }
- \ltj_fontspec_define_option:nn {AltFontFeatures} {
- \__ltj_fontspec_altfontfeature_key_code:n { ##1 }
- }
- \ltj_fontspec_define_option:nn {AltFontRange} {
- \__ltj_fontspec_altfontrange_key_code:n { ##1 }
- }
- \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}
- }
- \tl_set:Nn \g_fontspec_encoding_tl {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 \fontspec_make_font_shapes:nnnn \ltj_fontspec_make_font_shapes:nnnn
- \cs_set_eq:NN \DeclareFontFamily \DeclareKanjiFamily
- \fontspec_select:nn{#1}{#2}
- \group_end:
-}
-
-\cs_new:Nn \ltj_fontspec_set_family:Nnn {
- \ltj_fontspec_select:nn{#2}{#3}
- \tl_set_eq:NN #1 \l_fontspec_family_tl
-}
-\cs_set_eq:NN \ltj_orig_fontspec_make_font_shapes:nnnn \fontspec_make_font_shapes:nnnn
-\cs_set_eq:NN \ltj_fontspec_orig_DeclareFontShape \DeclareFontShape
-\def \ltj_fontspec_dummy_DeclareFontShape #1#2#3#4#5#6 {}
-\cs_new:Nn \ltj_fontspec_make_font_shapes:nnnn {
- \ltj_orig_fontspec_make_font_shapes:nnnn {#1} {#2} {#3} {#4}
- \group_begin:
- %% Parse font features. However, we have to avoid redefine already defined shape.
- \__fontspec_load_fontname:n {#1}
- \cs_set_eq:NN \DeclareFontShape \ltj_fontspec_dummy_DeclareFontShape
- \fontspec_declare_shape:nnn {#2}{#3}
- { \quark_if_no_value:NF \l__fontspec_fontopts_clist {\l__fontspec_fontopts_clist,} #4 }
- \cs_set_eq:NN \DeclareFontShape \ltj_fontspec_orig_DeclareFontShape
- \tl_if_empty:NTF \ltj_fontspec_fontname_alt_tl
- {
- \bool_if:NT \ltj_fontspec_alt_bool
- {
- \fontspec_declare_shape:nnn {#2} { #3 _alt }
- {
- \quark_if_no_value:NF \l__fontspec_fontopts_clist {\l__fontspec_fontopts_clist,}
- #4 , \ltj_fontspec_fontfeat_alt_clist
- }
- \DeclareAlternateKanjiFont {JY3}{ \l_fontspec_family_tl }{#2}{#3}%
- {JY3}{ \l_fontspec_family_tl }{#2}{ #3 _alt }{ \ltj_fontspec_altrange_clist }
- }
- }
- {
- \__fontspec_load_fontname:n {\ltj_fontspec_fontname_alt_tl}
- \fontspec_declare_shape:nnn {#2} { #3 _alt }
- {
- \quark_if_no_value:NF \l__fontspec_fontopts_clist {\l__fontspec_fontopts_clist,}
- #4 , \ltj_fontspec_fontfeat_alt_clist
- }
- \DeclareAlternateKanjiFont {JY3}{ \l_fontspec_family_tl }{#2}{#3}%
- {JY3}{ \l_fontspec_family_tl }{#2}{ #3 _alt }{ \ltj_fontspec_altrange_clist }
- }
- \group_end:
- }
-
-%%%%%%%% 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
- }