src/addons/luatexja-fontspec-24.sty

   1 %
   2 % luatexja-fontspec-24.sty
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \ProvidesPackage{luatexja-fontspec-24}[2014/06/19 fontspec support of LuaTeX-ja]
   7 \RequirePackage{l3keys2e,luatexja}
   8 \ExplSyntaxOn
   9
  10 %%%%%%%% Change Japanese font family by \rmfamily or not
  11 \bool_if:NTF  \ltj_fontspec_match
  12 {
  13   \renewcommand\jttdefault{\gtdefault}
  14   \DeclareRobustCommand\rmfamily
  15   {\not@math@alphabet\rmfamily\mathrm
  16      \romanfamily\rmdefault\kanjifamily\mcdefault\selectfont}
  17   \DeclareRobustCommand\sffamily
  18   {\not@math@alphabet\sffamily\mathsf
  19      \romanfamily\sfdefault\kanjifamily\gtdefault\selectfont}
  20   \DeclareRobustCommand\ttfamily
  21   {\not@math@alphabet\ttfamily\mathtt
  22      \romanfamily\ttdefault\kanjifamily\jttdefault\selectfont}
  23   \DeclareDocumentCommand \setmonojfont { O{} m } {
  24     \__ltj_fontspec_set_family:Nnn \jttdefault {#1}{#2}
  25     \normalfont
  26   }
  27 }{
  28 }
  29
  30 %%%%%%%% Messages
  31
  32 \msg_new:nnn {luatexja-fontspec} {addjfontfeatures-ignored}
  33 {
  34   \string\addjfontfeature (s)~ ignored;\\
  35   it~ cannot~ be~ used~ with~ a~ font~ that~ wasn't~ selected~ by~ luatexja-fontspec.
  36 }
  37
  38 \msg_new:nnn {luatexja-fontspec} {altfont-ignored-by-norange}
  39 {
  40   ignored~ sublist~ `#1'~ in~ AltFont~ (no~ range~ is~ specified).
  41 }
  42
  43 \msg_new:nnn {luatexja-fontspec} {altfont-ignored-by-rangeonly}
  44 {
  45   ignored~ sublist~ `#1'~ in~ AltFont~ (only~ range~ is~ specified).
  46 }
  47
  48 \cs_generate_variant:Nn \prg_new_conditional:Nnn {Nnx}
  49
  50 %%%%%%%% \g_ltj_fontspec_scale_fp
  51 %% Default scale value for jfont.
  52 \fp_new:N \g_ltj_fontspec_scale_fp
  53 \group_begin:
  54 \fontsize{10}{10}\selectfont
  55 \fp_gset:Nn \g_ltj_fontspec_scale_fp {\zw / 10}
  56 \group_end:
  57
  58 %%%%%%%% Internal control sequences
  59 %% Each CS is ltj_fontspec version that corresponds to original CS of fontspec.
  60 \cs_new:Nn \ltj_fontspec_define_option:nn {
  61   \__fontspec_keys_define_code:nnn {fontspec} {#1} {#2}
  62 }
  63
  64 \cs_new:Nn \ltj_fontspec_define_preparse_external:nn {
  65   \__fontspec_keys_define_code:nnn {fontspec-preparse-external} {#1} {#2}
  66 }
  67
  68 \cs_new:Nn \ltj_fontspec_define_altfont_option:nn {
  69   \__fontspec_keys_define_code:nnn {fontspec-ltjaltfont} {#1} {#2}
  70 }
  71
  72 %% Alternate Fonts
  73 %% Spec: AltFont = {
  74 %%   ...
  75 %%   { Range = <range>, <font features> },
  76 %%   { Range = <range>, Font = <font name>, <font features> },
  77 %%   { Range = <range>, Font = <font name> },
  78 %%   ...
  79 %% }
  80 \tl_new:N  \l_ltj_fontspec_altname_tl
  81 \tl_new:N  \l_ltj_fontspec_altrange_tl
  82 \clist_new:N  \l_ltj_fontspec_altfont_clist
  83 \clist_new:N  \l_ltj_fontspec_altfont_leftover_clist
  84 \int_new:N \g_ltj_fontspec_altnumber_int
  85
  86 \ltj_fontspec_define_altfont_option:nn {Range} {
  87   \tl_set:Nn \l_ltj_fontspec_altrange_tl {#1}
  88 }
  89 \ltj_fontspec_define_altfont_option:nn {Font} {
  90   \fontspec_complete_fontname:Nn \l_ltj_fontspec_altname_tl {#1}
  91 }
  92
  93 \cs_new:Nn \__ltj_fontspec_altfont_key_code:n
  94  {
  95   \clist_set:Nn \l_ltj_fontspec_altfont_clist  {#1}
  96   \fontspec_update_fontid:n {alt:#1}
  97  }
  98
  99 \cs_new:Nn \ltj_fontspec_select:nn {
 100   \group_begin:
 101   \ltj_fontspec_define_option:nn {AltFont} {
 102     \__ltj_fontspec_altfont_key_code:n { ##1 }
 103   }
 104   \ltj_fontspec_define_option:nn {CID} {
 105     \__fontspec_update_featstr:n {cid=##1}
 106   }
 107   \ltj_fontspec_define_option:nn {JFM} {
 108     \__fontspec_update_featstr:n {jfm=##1}
 109   }
 110
 111   \ltj_fontspec_define_option:nn {JFM-var} {
 112     \__fontspec_update_featstr:n {jfmvar=##1}
 113   }
 114   \ltj_fontspec_define_preparse_external:nn {NoEmbed} {
 115     \cs_set:Nn \fontspec_namewrap:n {psft:####1}
 116   }
 117   %% Omit the warning message
 118   %% "OpenType feature 'Kerning=Off' (-kern) not available ..."
 119   \ltj_fontspec_define_option:nn {Kerning/Off} {
 120     \__fontspec_update_featstr:n {-kern}
 121   }
 122   \tl_set:Nn \g_fontspec_encoding_tl {JY3}
 123   \clist_set:Nx \g__fontspec_default_fontopts_clist
 124              {JFM=ujis, Scale=\fp_use:N \g_ltj_fontspec_scale_fp,
 125               Kerning=Off, \g_ltj_fontspec_default_fontopts_tl}
 126   \prop_set_eq:NN \g__fontspec_fontopts_prop \g__ltj_fontspec_fontopts_prop
 127   \cs_set_eq:NN \fontspec_make_font_shapes:nnnn \ltj_fontspec_make_font_shapes:nnnn
 128   \cs_set_eq:NN \DeclareFontFamily \DeclareKanjiFamily
 129   \fontspec_select:nn{#1}{#2}
 130   \group_end:
 131 }
 132
 133 \cs_new:Nn \__ltj_fontspec_set_family:Nnn {
 134   \ltj_fontspec_select:nn{#2}{#3}
 135   \tl_set_eq:NN #1 \l_fontspec_family_tl
 136 }
 137 \cs_set_eq:NN \__ltj_orig_fontspec_make_font_shapes:nnnn \fontspec_make_font_shapes:nnnn
 138 \cs_set_eq:NN \__ltj_fontspec_orig_DeclareFontShape \DeclareFontShape
 139 \cs_new:Nn \ltj_fontspec_make_font_shapes:nnnn {
 140   \__ltj_orig_fontspec_make_font_shapes:nnnn {#1} {#2} {#3} {#4}
 141   \group_begin:
 142     %% Parse font features. However, we have to avoid redefine already defined shape.
 143     \__fontspec_load_fontname:n {#1}
 144     \cs_set_eq:NN \DeclareFontShape \use_none:nnnnnn
 145     \fontspec_declare_shape:nnn {#2}{#3}
 146      { \quark_if_no_value:NF \l__fontspec_fontopts_clist {\l__fontspec_fontopts_clist,} #4 }
 147     \cs_set_eq:NN \DeclareFontShape \__ltj_fontspec_orig_DeclareFontShape
 148     %%
 149     \clist_if_empty:NF \l_ltj_fontspec_altfont_clist {
 150       \int_gzero:N \g_ltj_fontspec_altnumber_int
 151       \clist_map_inline:Nn \l_ltj_fontspec_altfont_clist {
 152         \tl_clear:N  \l_ltj_fontspec_altrange_tl
 153         \tl_set:Nn \l_ltj_fontspec_altname_tl { #1 }
 154         \tl_set:Nn \l_tmpa_tl { #1 }
 155
 156         \keys_set_known:nxN {fontspec-ltjaltfont} { \exp_after:wN \use:n ##1 }
 157           \l_ltj_fontspec_altfont_leftover_clist
 158
 159         \tl_if_empty:NT \l_ltj_fontspec_altrange_tl {
 160           \msg_warning:nnn  {luatexja-fontspec} {altfont-ignored-by-norange} { ##1 }
 161         } {
 162           \bool_if:nTF {
 163             \tl_if_eq_p:NN \l_ltj_fontspec_altname_tl \l_tmpa_tl
 164             &&
 165             \tl_if_empty_p:N \l_ltj_fontspec_altfont_leftover_clist
 166           } {
 167             \msg_warning:nnn  {luatexja-fontspec} {altfont-ignored-by-rangeonly} { ##1 }
 168           } {
 169             \group_begin:
 170               \__fontspec_load_fontname:n { \l_ltj_fontspec_altname_tl }
 171               \fontspec_declare_shape:nnn {#2}
 172                 {#3 _ alt \int_use:N \g_ltj_fontspec_altnumber_int }
 173                 {
 174                   \quark_if_no_value:NF \l__fontspec_fontopts_clist {\l__fontspec_fontopts_clist,}
 175                   #4 , \l_ltj_fontspec_altfont_leftover_clist
 176                 }
 177             \group_end:
 178             \DeclareAlternateKanjiFont
 179               {JY3}{ \l_fontspec_family_tl }{#2}{#3}%
 180               {JY3}{ \l_fontspec_family_tl }{#2}
 181               { #3 _alt \int_use:N \g_ltj_fontspec_altnumber_int }
 182               { \l_ltj_fontspec_altrange_tl }
 183             \int_gincr:N \g_ltj_fontspec_altnumber_int
 184           }
 185         }
 186       }
 187     }
 188   \group_end:
 189  }
 190
 191 %%%%%%%% User commands
 192 \DeclareDocumentCommand \jfontspec { O{} m } {
 193   \__ltj_fontspec_set_family:Nnn \k@family {#1}{#2}
 194   \selectfont
 195   \ignorespaces
 196 }
 197
 198 \DeclareDocumentCommand \setmainjfont { O{} m } {
 199   \__ltj_fontspec_set_family:Nnn \mcdefault {#1}{#2}
 200   \DeclareSymbolFont{mincho}{JY3}{\l_fontspec_family_tl}{m}{n}
 201   \SetSymbolFont{mincho}{bold}{JY3}{\l_fontspec_family_tl}{bx}{n}
 202   \normalfont
 203 }
 204
 205 \DeclareDocumentCommand \setsansjfont { O{} m } {
 206   \__ltj_fontspec_set_family:Nnn \gtdefault {#1}{#2}
 207   \DeclareMathAlphabet{\mathgt}{JY3}{\l_fontspec_family_tl}{m}{n}
 208   \normalfont
 209 }
 210
 211 \DeclareDocumentCommand \newjfontfamily { m O{} m } {
 212   \ltj_fontspec_select:nn{#2}{#3}
 213   \use:x {
 214     \exp_not:N \DeclareRobustCommand \exp_not:N #1 {
 215       \exp_not:N \kanjifamily {\l_fontspec_family_tl} \exp_not:N \selectfont
 216     }
 217   }
 218 }
 219
 220 \DeclareDocumentCommand \newjfontface { m O{} m } {
 221   \newjfontfamily #1 [ BoldFont={},ItalicFont={},SmallCapsFont={},#2 ] {#3}
 222 }
 223
 224 \tl_new:N \g_ltj_fontspec_default_fontopts_tl
 225 \prop_new:N \g__ltj_fontspec_fontopts_prop
 226 \DeclareDocumentCommand \defaultjfontfeatures { o m }
 227  {
 228   \IfNoValueTF {#1}
 229    { \__ltj_fontspec_set_default_features:n {#2} }
 230    { \__ltj_fontspec_set_font_default_features:nn {#1} {#2} }
 231  }
 232 \cs_new:Nn \__ltj_fontspec_set_default_features:n
 233  {
 234   \tl_set:Nn \g_ltj_fontspec_default_fontopts_tl {#1,}
 235  }
 236 \cs_new:Nn \__ltj_fontspec_set_font_default_features:nn
 237  {
 238   \__fontspec_sanitise_fontname:Nn \l__fontspec_tmp_tl {#1}
 239   \tl_if_empty:nTF {#2}
 240    { \prop_gremove:NV \g__ltj_fontspec_fontopts_prop \l__fontspec_tmp_tl }
 241    { \prop_gput:NVn   \g__ltj_fontspec_fontopts_prop \l__fontspec_tmp_tl {#2} }
 242  }
 243
 244 \DeclareDocumentCommand \addjfontfeatures {m} {
 245   \ifcsname zf@family@fontdef\k@family\endcsname
 246     \group_begin:
 247       \tl_clear:N \g_ltj_fontspec_default_fontopts_tl
 248       \use:x {
 249         \exp_not:N\ltj_fontspec_select:nn
 250           {\csname zf@family@options\k@family\endcsname,#1}
 251           {\csname zf@family@fontname\k@family\endcsname}
 252       }
 253     \group_end:
 254     \fontfamily\l_fontspec_family_tl\selectfont
 255   \else
 256     \msg_warning:nn  {luatexja-fontspec} {addjfontfeatures-ignored}
 257   \fi
 258   \ignorespaces
 259 }
 260
 261 \cs_set_eq:NN \addjfontfeature \addjfontfeatures
 262
 263 %%% CJKShape=JIS2004
 264 \__fontspec_define_feature_option:nnnnn{CJKShape}{JIS2004}{20}{5}{+jp04}
 265
 266 \ExplSyntaxOff
 267 %%%%%%%% Now we completely ignore kanjifont definition file.
 268
 269 \DeclareRobustCommand\fontfamily[1]{%
 270   \@notkfamfalse\@notffamfalse
 271   \edef\tmp@item{'\luatexluaescapestring{#1}'}%
 272   \edef\tmp@enc{'\luatexluaescapestring{\f@encoding}'}%
 273   \ifcsname \k@encoding+#1\endcsname % if \k@encoding+#1 is already defined
 274     \edef\k@family{#1}%
 275   \else\@notkfamtrue\fi
 276   \ifcsname \f@encoding+#1\endcsname
 277     \edef\f@family{#1}%
 278   \else % search font definition file...
 279     \directlua{luatexja.jfont.is_ffam(\tmp@enc, \tmp@item)}%
 280     \ifin@\edef\k@family{#1}\else%
 281       \directlua{luatexja.jfont.is_Nffam(\tmp@enc, \tmp@item)}%
 282       \ifin@\@notffamtrue\else%
 283         % filename of font definition file is always lowercase
 284         \edef\@temp{\lowercase{\noexpand\IfFileExists{\f@encoding#1.fd}}}%
 285         \message{(I search font definition file)}%
 286         \@temp{\@tempswztrue}{\@tempswzfalse}%
 287         \if@tempswz
 288           \directlua{luatexja.jfont.add_ffam_list(\tmp@enc, \tmp@item)}%
 289           \edef\f@family{#1}%
 290         \else
 291           \directlua{luatexja.jfont.add_Nffam_list(\tmp@enc, \tmp@item)}%
 292           \@notffamtrue%
 293         \fi
 294       \fi
 295     \fi
 296   \fi
 297   \if@notkfam\if@notffam
 298       {\ifcsname D@\k@encoding\endcsname\@nameuse{D@\k@encoding}\fi
 299         \xdef\@@temp{\default@family}}\edef\k@family{\@@temp}%
 300       {\ifcsname D@\f@encoding\endcsname\@nameuse{D@\f@encoding}\fi
 301         \xdef\@@temp{\default@family}}\edef\f@family{\@@temp}%
 302   \fi\fi
 303 }
 304
 305 % We must redefine \try@load@fontshape to ignore kanjifont definitions at all.
 306 \def\try@load@fontshape{%
 307    \expandafter
 308    \ifx\csname \f@encoding+\f@family\endcsname\relax
 309        \directlua{luatexja.jfont.is_kenc('\luatexluaescapestring{\f@encoding}')}%
 310 \ifin@ % Japanese font: we don't search fd.
 311     \@font@warning{We don't search kanjifont definition
 312       \MessageBreak for \f@encoding/\f@family}%
 313 \else % Alphabetic font
 314     \@font@info{Try loading font information for \f@encoding+\f@family}%
 315     \global\expandafter\let
 316        \csname\f@encoding+\f@family\endcsname\@empty
 317      \nfss@catcodes
 318      \let\nfss@catcodes\relax
 319      \edef\reserved@a{%
 320        \lowercase{%
 321          \noexpand\InputIfFileExists{\f@encoding\f@family.fd}}}%
 322      \reserved@a\relax
 323           {\@input@{\f@encoding\f@family.fd}}%
 324 \fi
 325    \fi}
 326
 327 \endinput