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 }
  97
  98 \cs_new:Nn \ltj_fontspec_select:nn {
  99   \group_begin:
 100   \ltj_fontspec_define_option:nn {AltFont} {
 101     \__ltj_fontspec_altfont_key_code:n { ##1 }
 102   }
 103   \ltj_fontspec_define_option:nn {CID} {
 104     \__fontspec_update_featstr:n {cid=##1}
 105   }
 106   \ltj_fontspec_define_option:nn {JFM} {
 107     \__fontspec_update_featstr:n {jfm=##1}
 108   }
 109
 110   \ltj_fontspec_define_option:nn {JFM-var} {
 111     \__fontspec_update_featstr:n {jfmvar=##1}
 112   }
 113   \ltj_fontspec_define_preparse_external:nn {NoEmbed} {
 114     \cs_set:Nn \__fontspec_namewrap:n {psft:####1}
 115   }
 116   %% Omit the warning message
 117   %% "OpenType feature 'Kerning=Off' (-kern) not available ..."
 118   \ltj_fontspec_define_option:nn {Kerning/Off} {
 119     \__fontspec_update_featstr:n {-kern}
 120   }
 121   \tl_set:Nn \g_fontspec_encoding_tl {JY3}
 122   \clist_set:Nx \g__fontspec_default_fontopts_clist
 123              {JFM=ujis, Scale=\fp_use:N \g_ltj_fontspec_scale_fp,
 124               Kerning=Off, \g_ltj_fontspec_default_fontopts_tl}
 125   \prop_set_eq:NN \g__fontspec_fontopts_prop \g__ltj_fontspec_fontopts_prop
 126   \cs_set_eq:NN \__fontspec_make_font_shapes:Nnnnn \ltj_fontspec_make_font_shapes:Nnnnn
 127   \cs_set_eq:NN \DeclareFontFamily \DeclareKanjiFamily
 128   \fontspec_select:nn{#1}{#2}
 129   \group_end:
 130 }
 131
 132 \cs_new:Nn \__ltj_fontspec_set_family:Nnn {
 133   \ltj_fontspec_select:nn{#2}{#3}
 134   \tl_set_eq:NN #1 \l_fontspec_family_tl
 135 }
 136 \cs_set_eq:NN \__ltj_orig_fontspec_make_font_shapes:Nnnnn \__fontspec_make_font_shapes:Nnnnn
 137 \cs_set_eq:NN \__ltj_fontspec_orig_DeclareFontShape \DeclareFontShape
 138 \cs_new:Nn \ltj_fontspec_make_font_shapes:Nnnnn {
 139   \__ltj_orig_fontspec_make_font_shapes:Nnnnn {#1} {#2} {#3} {#4} {#5}
 140   \group_begin:
 141     %% Parse font features. However, we have to avoid redefine already defined shape.
 142     \__fontspec_load_fontname:n {#1}
 143     \cs_set_eq:NN \DeclareFontShape \use_none:nnnnnn
 144     \__fontspec_declare_shape:nnxx {#2} {#3} { \l__fontspec_fontopts_clist, #4 } {#5}
 145     \cs_set_eq:NN \DeclareFontShape \__ltj_fontspec_orig_DeclareFontShape
 146     %%
 147     \clist_if_empty:NF \l_ltj_fontspec_altfont_clist {
 148       \int_gzero:N \g_ltj_fontspec_altnumber_int
 149       \clist_map_inline:Nn \l_ltj_fontspec_altfont_clist {
 150         \tl_clear:N  \l_ltj_fontspec_altrange_tl
 151         \tl_set:Nn \l_ltj_fontspec_altname_tl { #1 }
 152         \tl_set:Nn \l_tmpa_tl { #1 }
 153
 154         \keys_set_known:nxN {fontspec-ltjaltfont} { \exp_after:wN \use:n ##1 }
 155           \l_ltj_fontspec_altfont_leftover_clist
 156
 157         \tl_if_empty:NT \l_ltj_fontspec_altrange_tl {
 158           \msg_warning:nnn  {luatexja-fontspec} {altfont-ignored-by-norange} { ##1 }
 159         } {
 160           \bool_if:nTF {
 161             \tl_if_eq_p:NN \l_ltj_fontspec_altname_tl \l_tmpa_tl
 162             &&
 163             \tl_if_empty_p:N \l_ltj_fontspec_altfont_leftover_clist
 164           } {
 165             \msg_warning:nnn  {luatexja-fontspec} {altfont-ignored-by-rangeonly} { ##1 }
 166           } {
 167             \group_begin:
 168               \__fontspec_load_fontname:n { \l_ltj_fontspec_altname_tl }
 169               \__fontspec_declare_shape:nnxx {#2}
 170                 {#3 _ alt \int_use:N \g_ltj_fontspec_altnumber_int }
 171                 {\l__fontspec_fontopts_clist, #4 , \l_ltj_fontspec_altfont_leftover_clist}
 172                 {#5}
 173             \group_end:
 174             \DeclareAlternateKanjiFont
 175               {JY3}{ \l_fontspec_family_tl }{#2}{#3}%
 176               {JY3}{ \l_fontspec_family_tl }{#2}
 177               { #3 _alt \int_use:N \g_ltj_fontspec_altnumber_int }
 178               { \l_ltj_fontspec_altrange_tl }
 179             \int_gincr:N \g_ltj_fontspec_altnumber_int
 180           }
 181         }
 182       }
 183     }
 184   \group_end:
 185  }
 186
 187 %%%%%%%% User commands
 188 \DeclareDocumentCommand \jfontspec { O{} m } {
 189   \__ltj_fontspec_set_family:Nnn \k@family {#1}{#2}
 190   \selectfont
 191   \ignorespaces
 192 }
 193
 194 \DeclareDocumentCommand \setmainjfont { O{} m } {
 195   \__ltj_fontspec_set_family:Nnn \mcdefault {#1}{#2}
 196   \DeclareSymbolFont{mincho}{JY3}{\l_fontspec_family_tl}{m}{n}
 197   \SetSymbolFont{mincho}{bold}{JY3}{\l_fontspec_family_tl}{bx}{n}
 198   \normalfont
 199 }
 200
 201 \DeclareDocumentCommand \setsansjfont { O{} m } {
 202   \__ltj_fontspec_set_family:Nnn \gtdefault {#1}{#2}
 203   \DeclareMathAlphabet{\mathgt}{JY3}{\l_fontspec_family_tl}{m}{n}
 204   \normalfont
 205 }
 206
 207 \DeclareDocumentCommand \newjfontfamily { m O{} m } {
 208   \ltj_fontspec_select:nn{#2}{#3}
 209   \use:x {
 210     \exp_not:N \DeclareRobustCommand \exp_not:N #1 {
 211       \exp_not:N \kanjifamily {\l_fontspec_family_tl} \exp_not:N \selectfont
 212     }
 213   }
 214 }
 215
 216 \DeclareDocumentCommand \newjfontface { m O{} m } {
 217   \newjfontfamily #1 [ BoldFont={},ItalicFont={},SmallCapsFont={},#2 ] {#3}
 218 }
 219
 220 \tl_new:N \g_ltj_fontspec_default_fontopts_tl
 221 \prop_new:N \g__ltj_fontspec_fontopts_prop
 222 \DeclareDocumentCommand \defaultjfontfeatures { o m }
 223  {
 224   \IfNoValueTF {#1}
 225    { \__ltj_fontspec_set_default_features:n {#2} }
 226    { \__ltj_fontspec_set_font_default_features:nn {#1} {#2} }
 227  }
 228 \cs_new:Nn \__ltj_fontspec_set_default_features:n
 229  {
 230   \tl_set:Nn \g_ltj_fontspec_default_fontopts_tl {#1,}
 231  }
 232 \cs_new:Nn \__ltj_fontspec_set_font_default_features:nn
 233  {
 234   \__fontspec_sanitise_fontname:Nn \l__fontspec_tmp_tl {#1}
 235   \tl_if_empty:nTF {#2}
 236    { \prop_gremove:NV \g__ltj_fontspec_fontopts_prop \l__fontspec_tmp_tl }
 237    { \prop_gput:NVn   \g__ltj_fontspec_fontopts_prop \l__fontspec_tmp_tl {#2} }
 238  }
 239
 240 \DeclareDocumentCommand \addjfontfeatures {m} {
 241   \ifcsname zf@family@fontdef\k@family\endcsname
 242     \group_begin:
 243       \tl_clear:N \g_ltj_fontspec_default_fontopts_tl
 244       \use:x {
 245         \exp_not:N\ltj_fontspec_select:nn
 246           {\csname zf@family@options\k@family\endcsname,#1}
 247           {\csname zf@family@fontname\k@family\endcsname}
 248       }
 249     \group_end:
 250     \fontfamily\l_fontspec_family_tl\selectfont
 251   \else
 252     \msg_warning:nn  {luatexja-fontspec} {addjfontfeatures-ignored}
 253   \fi
 254   \ignorespaces
 255 }
 256
 257 \cs_set_eq:NN \addjfontfeature \addjfontfeatures
 258
 259 %%% CJKShape=JIS2004
 260 \__fontspec_define_feature_option:nnnnn{CJKShape}{JIS2004}{20}{5}{+jp04}
 261
 262 \ExplSyntaxOff
 263 %%%%%%%% Now we completely ignore kanjifont definition file.
 264
 265 \DeclareRobustCommand\fontfamily[1]{%
 266   \@notkfamfalse\@notffamfalse
 267   \edef\tmp@item{'\luatexluaescapestring{#1}'}%
 268   \edef\tmp@enc{'\luatexluaescapestring{\f@encoding}'}%
 269   \ifcsname \k@encoding+#1\endcsname % if \k@encoding+#1 is already defined
 270     \edef\k@family{#1}%
 271   \else\@notkfamtrue\fi
 272   \ifcsname \f@encoding+#1\endcsname
 273     \edef\f@family{#1}%
 274   \else % search font definition file...
 275     \directlua{luatexja.jfont.is_ffam(\tmp@enc, \tmp@item)}%
 276     \ifin@\edef\k@family{#1}\else%
 277       \directlua{luatexja.jfont.is_Nffam(\tmp@enc, \tmp@item)}%
 278       \ifin@\@notffamtrue\else%
 279         % filename of font definition file is always lowercase
 280         \edef\@temp{\lowercase{\noexpand\IfFileExists{\f@encoding#1.fd}}}%
 281         \message{(I search font definition file)}%
 282         \@temp{\@tempswztrue}{\@tempswzfalse}%
 283         \if@tempswz
 284           \directlua{luatexja.jfont.add_ffam_list(\tmp@enc, \tmp@item)}%
 285           \edef\f@family{#1}%
 286         \else
 287           \directlua{luatexja.jfont.add_Nffam_list(\tmp@enc, \tmp@item)}%
 288           \@notffamtrue%
 289         \fi
 290       \fi
 291     \fi
 292   \fi
 293   \if@notkfam\if@notffam
 294       {\ifcsname D@\k@encoding\endcsname\@nameuse{D@\k@encoding}\fi
 295         \xdef\@@temp{\default@family}}\edef\k@family{\@@temp}%
 296       {\ifcsname D@\f@encoding\endcsname\@nameuse{D@\f@encoding}\fi
 297         \xdef\@@temp{\default@family}}\edef\f@family{\@@temp}%
 298   \fi\fi
 299 }
 300
 301 % We must redefine \try@load@fontshape to ignore kanjifont definitions at all.
 302 \def\try@load@fontshape{%
 303    \expandafter
 304    \ifx\csname \f@encoding+\f@family\endcsname\relax
 305        \directlua{luatexja.jfont.is_kenc('\luatexluaescapestring{\f@encoding}')}%
 306 \ifin@ % Japanese font: we don't search fd.
 307     \@font@warning{We don't search kanjifont definition
 308       \MessageBreak for \f@encoding/\f@family}%
 309 \else % Alphabetic font
 310     \@font@info{Try loading font information for \f@encoding+\f@family}%
 311     \global\expandafter\let
 312        \csname\f@encoding+\f@family\endcsname\@empty
 313      \nfss@catcodes
 314      \let\nfss@catcodes\relax
 315      \edef\reserved@a{%
 316        \lowercase{%
 317          \noexpand\InputIfFileExists{\f@encoding\f@family.fd}}}%
 318      \reserved@a\relax
 319           {\@input@{\f@encoding\f@family.fd}}%
 320 \fi
 321    \fi}
 322
 323 \endinput