src/addons/luatexja-fontspec.sty

   1 %
   2 % luatexja-fontspec.sty
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \ProvidesPackage{luatexja-fontspec}[2012/09/17 v0.2a]
   7
   8 \RequirePackage{fontspec,luatexja}
   9 \ExplSyntaxOn
  10
  11 %%%%%%%% Messages
  12 \cs_new:Npn \ltj_fontspec_warning:n   { \msg_warning:nn   {ltj-fontspec} }
  13
  14 \msg_new:nnn {ltj-fontspec} {addjfontfeatures-ignored}
  15 {
  16   \string\addjfontfeature (s)~ ignored;\\
  17   it~ cannot~ be~ used~ with~ a~ font~ that~ wasn't~ selected~ by~ luatexja-fontspec.
  18 }
  19
  20 \cs_generate_variant:Nn \prg_new_conditional:Nnn {Nnx}
  21
  22 %%%%%%%% For compatibility with old fontspec.
  23 \prg_new_conditional:Nnx \ltj_fontspec_if_liiikeys: {TF,F} {
  24   \@ifpackagelater {fontspec} {2011/09/13}
  25   { \exp_not:N \prg_return_true: }  % fontspec >= 2.2 (l3keys)
  26   { \exp_not:N \prg_return_false: } % fontspec <  2.2 (xkeyval)
  27 }
  28
  29 %%%%%%%% \g_ltj_fontspec_scale_fp
  30 %% Default scale value for jfont.
  31 \group_begin:
  32 \fontsize{10}{10}\selectfont
  33 \fp_gset:Nn \g_ltj_fontspec_scale_fp {\zw / 10}
  34 \group_end:
  35
  36 %%%%%%%% Internal control sequences
  37 %% Each CS is ltj_fontspec version that corresponds to original CS of fontspec.
  38 \cs_new:Nn \ltj_fontspec_define_option:nn {
  39   \ltj_fontspec_if_liiikeys:TF {
  40     \keys_define:nn {fontspec} { #1 .code:n = {#2}}
  41   } {
  42     \define@key[zf]{options}{#1}{#2}
  43   }
  44 }
  45
  46 \cs_new:Nn \ltj_fontspec_define_preparse_external:nn {
  47   \ltj_fontspec_if_liiikeys:TF {
  48     \keys_define:nn {fontspec-preparse-external} { #1 .code:n = {#2}}
  49   } {
  50     \define@key[zf]{preparse-external}{#1}{#2}
  51   }
  52 }
  53
  54 \cs_new:Nn \ltj_fontspec_select:nn {
  55   \group_begin:
  56   \ltj_fontspec_define_option:nn {CID} {
  57     \fontspec_update_fontid:n  {+cid=##1}
  58     \fontspec_update_featstr:n {cid=##1}
  59   }
  60   \ltj_fontspec_define_option:nn {JFM} {
  61     \fontspec_update_fontid:n  {+jfm=##1}
  62     \fontspec_update_featstr:n {jfm=##1}
  63   }
  64   \ltj_fontspec_define_option:nn {JFM-var} {
  65     \fontspec_update_fontid:n  {+jfmvar=##1}
  66     \fontspec_update_featstr:n {jfmvar=##1}
  67   }
  68   \ltj_fontspec_define_preparse_external:nn {NoEmbed} {
  69     \cs_set:Nn \fontspec_namewrap:n {psft:####1}
  70   }
  71   %% Omit the warning message
  72   %% "OpenType feature 'Kerning=Off' (-kern) not available ..."
  73   \ltj_fontspec_define_option:nn {Kerning/Off} {
  74     \fontspec_update_fontid:n  {-kern}
  75     \fontspec_update_featstr:n {-kern}
  76   }
  77   \ltj_fontspec_if_liiikeys:TF {
  78     \tl_set:Nn \g_fontspec_encoding_tl {JY3}
  79   } {
  80     \tl_set:Nn \zf@enc {JY3}
  81   }
  82   \tl_set:Nx \g_fontspec_default_fontopts_tl
  83              {JFM=ujis,Scale=\fp_use:N \g_ltj_fontspec_scale_fp,Kerning=Off,\g_ltj_fontspec_default_fontopts_tl}
  84   \cs_set_eq:NN \DeclareFontFamily \DeclareKanjiFamily
  85   \fontspec_select:nn{#1}{#2}
  86   \group_end:
  87   \ltj_fontspec_if_liiikeys:F {
  88     \tl_set_eq:NN \l_fontspec_family_tl \zf@family
  89   }
  90 }
  91
  92 \cs_new:Nn \ltj_fontspec_set_family:Nnn {
  93   \ltj_fontspec_select:nn{#2}{#3}
  94   \tl_set_eq:NN #1 \l_fontspec_family_tl
  95 }
  96
  97 %%%%%%%% User commands
  98 \DeclareDocumentCommand \jfontspec { O{} m } {
  99   \ltj_fontspec_set_family:Nnn \k@family {#1}{#2}
 100   \selectfont
 101   \ignorespaces
 102 }
 103
 104 \DeclareDocumentCommand \setmainjfont { O{} m } {
 105   \ltj_fontspec_set_family:Nnn \mcdefault {#1}{#2}
 106   \DeclareSymbolFont{mincho}{JY3}{\l_fontspec_family_tl}{m}{n}
 107   \SetSymbolFont{mincho}{bold}{JY3}{\l_fontspec_family_tl}{bx}{n}
 108   \normalfont
 109 }
 110
 111 \DeclareDocumentCommand \setsansjfont { O{} m } {
 112   \ltj_fontspec_set_family:Nnn \gtdefault {#1}{#2}
 113   \DeclareMathAlphabet{\mathgt}{JY3}{\l_fontspec_family_tl}{m}{n}
 114   \normalfont
 115 }
 116
 117 \DeclareDocumentCommand \newjfontfamily { m O{} m } {
 118   \ltj_fontspec_select:nn{#2}{#3}
 119   \use:x {
 120     \exp_not:N \DeclareRobustCommand \exp_not:N #1 {
 121       \exp_not:N \kanjifamily {\l_fontspec_family_tl} \exp_not:N \selectfont
 122     }
 123   }
 124 }
 125
 126 \DeclareDocumentCommand \newjfontface { m O{} m } {
 127   \newjfontfamily #1 [ BoldFont={},ItalicFont={},SmallCapsFont={},#2 ] {#3}
 128 }
 129
 130 \DeclareDocumentCommand \defaultjfontfeatures {m} {
 131   \tl_set:Nn \g_ltj_fontspec_default_fontopts_tl {#1,}
 132 }
 133
 134 \tl_clear:N \g_ltj_fontspec_default_fontopts_tl
 135
 136 \DeclareDocumentCommand \addjfontfeatures {m} {
 137   \ifcsname zf@family@fontdef\k@family\endcsname
 138     \group_begin:
 139       \tl_clear:N \g_ltj_fontspec_default_fontopts_tl
 140       \use:x {
 141         \exp_not:N\ltj_fontspec_select:nn
 142           {\csname zf@family@options\k@family\endcsname,#1}
 143           {\csname zf@family@fontname\k@family\endcsname}
 144       }
 145     \group_end:
 146     \fontfamily\l_fontspec_family_tl\selectfont
 147   \else
 148     \ltj_fontspec_warning:n {addjfontfeatures-ignored}
 149   \fi
 150   \ignorespaces
 151 }
 152
 153 \cs_set_eq:NN \addjfontfeature \addjfontfeatures
 154
 155 \ExplSyntaxOff
 156 %%%%%%%% Now we completely ignore kanjifont definition file.
 157
 158 \DeclareRobustCommand\fontfamily[1]{%
 159   \@notkfamfalse\@notffamfalse\edef\tmp@item{{#1}}%
 160   \ifcsname \k@encoding+#1\endcsname % if \k@encoding+#1 is already defined
 161     \edef\k@family{#1}%
 162   \else
 163     \def\@temp##1+{\lowercase{\def\@@temp{##1#1.fd}}}\expandafter\@temp\k@encoding+%
 164     \@notkfamtrue
 165   \fi
 166   \ifcsname \f@encoding+#1\endcsname
 167     \edef\f@family{#1}%
 168   \else % search font definition file...
 169      \ifcsname ffam@list@\f@encoding\endcsname\else
 170        \expandafter\gdef\csname ffam@list@\f@encoding\endcsname{}%
 171        \expandafter\gdef\csname notffam@list@\f@encoding\endcsname{}%
 172      \fi
 173      \edef\@templist{\@nameuse{ffam@list@\f@encoding}}%
 174      \expandafter\expandafter\expandafter\inlist@\expandafter\tmp@item\expandafter{\@templist}%
 175      \ifin@\edef\f@family{#1}\else
 176        \edef\@templist{\@nameuse{notffam@list@\f@encoding}}%
 177        \expandafter\expandafter\expandafter\inlist@\expandafter\tmp@item\expandafter{\@templist}%
 178        \ifin@\@notffamtrue\else
 179          \def\@temp##1+{\lowercase{\def\@@temp{##1#1.fd}}}\expandafter\@temp\f@encoding+%
 180          \message{(I search font definition file. \@@temp)}%
 181          \IfFileExists{\@@temp}{\@tempswztrue}{\@tempswzfalse}%
 182          \if@tempswz
 183            \expandafter\xdef\csname ffam@list@\f@encoding\endcsname
 184              {\@nameuse{ffam@list@\f@encoding}\fam@elt<#1>}\edef\f@family{#1}%
 185          \else
 186            \expandafter\xdef\csname notffam@list@\f@encoding\endcsname
 187              {\@nameuse{notffam@list@\f@encoding}\fam@elt<#1>}\@notffamtrue%
 188          \fi
 189        \fi
 190      \fi
 191   \fi
 192   \if@notkfam\if@notffam
 193       {\ifcsname D@\k@encoding\endcsname\@nameuse{D@\k@encoding}\fi
 194         \xdef\@@temp{\default@family}}\edef\k@family{\@@temp}%
 195       {\ifcsname D@\f@encoding\endcsname\@nameuse{D@\f@encoding}\fi
 196         \xdef\@@temp{\default@family}}\edef\f@family{\@@temp}%
 197   \fi\fi
 198 }
 199
 200 % We must redefine \try@load@fontshape to ignore kanjifont definitions at all.
 201 \def\try@load@fontshape{%
 202    \expandafter
 203    \ifx\csname \f@encoding+\f@family\endcsname\relax
 204        \edef\tmp@item{{\directlua{%
 205          tex.print(luatexbase.catcodetables["latex-package"], '\f@encoding')}%
 206        }}% \f@encoding の展開結果の catcode は 12 であるため，これで補正．
 207        \expandafter\expandafter\expandafter
 208        \inlist@\expandafter\tmp@item\expandafter{\kenc@list}%
 209 \ifin@ % Japanese font: we don't search fd.
 210     \@font@warning{We don't search kanjifont definition
 211       \MessageBreak for \f@encoding/\f@family}%
 212 \else % Alphabetic font
 213     \@font@info{Try loading font information for
 214                    \f@encoding+\f@family}%
 215     \global\expandafter\let
 216        \csname\f@encoding+\f@family\endcsname\@empty
 217      \nfss@catcodes
 218      \let\nfss@catcodes\relax
 219      \edef\reserved@a{%
 220        \lowercase{%
 221          \noexpand\InputIfFileExists{\f@encoding\f@family.fd}}}%
 222      \reserved@a\relax
 223           {\@input@{\f@encoding\f@family.fd}}%
 224 \fi
 225    \fi}
 226
 227 \endinput