-%%%%%%%% 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}
- \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}
- \normalfont
-}
-
-\DeclareDocumentCommand \setsansjfont { O{} m } {
- \ltj_fontspec_set_family:Nnn \gtdefault {#1}{#2}
- \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
- }