src/patches/lltjp-unicode-math.sty

   1 %
   2 % lltjp-unicode-math.sty 2018-08-24
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6
   7 \RequirePackage{unicode-math,luatexja,etoolbox}
   8
   9 \ExplSyntaxOn
  10
  11 \cs_set:Nn \__um_define_math_chars: {
  12   \group_begin:
  13     \cs_set:Npn \__um_sym:nnn ##1##2##3
  14      {
  15       \ltjsetmathletter{ ##1 }
  16       \tl_if_in:nnT
  17        { \mathord \mathalpha \mathbin \mathrel \mathpunct \mathop \mathfence }
  18        {##3}
  19       {
  20         \exp_last_unbraced:NNx \cs_gset_eq:NN ##2 { \char_generate:nn {##1} {12} }
  21       }
  22      }
  23     \__um_input_math_symbol_table:
  24   \group_end:
  25 }
  26 \cs_set:Npn \use@mathgroup #1 #2
  27 {
  28   %\typeout{UM <#1><#2>}
  29   \mode_if_math:T % <- not sure
  30    {
  31     \math@bgroup
  32       \cs_if_eq:cNF {M@\f@encoding} #1 {#1}
  33       \__um_switchto_literal:
  34       \ltj@tempcnta=#2 \expandafter\ltj@@mathJapaneseFonts\string#1\relax%
  35       \ifin@ \jfam #2 \relax \else \mathgroup #2 \relax \fi
  36     \math@egroup
  37    }
  38 }
  39
  40 \ifcsname jsc@mag@xrealtrue \endcsname \else
  41     \expandafter\expandafter\expandafter \ExplSyntaxOff \expandafter \endinput
  42 \fi
  43 \ifjsc@mag@xreal
  44     \cs_if_exist:cTF { ltjs@orig@get@external@font } {
  45           % ltjsclasses: use lua
  46           \cs_new:Nn \lltjp_um_unmag_fsize:
  47             {
  48                   \cs_gset:Nx \lltjp_um_f@size: {\directlua{luatexja.ltjs_unmagnify_fsize(\f@size)}}
  49                   \cs_gset:Nx \lltjp_um_sf@size: {\directlua{luatexja.ltjs_unmagnify_fsize(\sf@size)}}
  50                   \cs_gset:Nx \lltjp_um_ssf@size: {\directlua{luatexja.ltjs_unmagnify_fsize(\ssf@size)}}
  51                 }
  52         }{
  53           % bxjscls: use \jsc@preadjust@extract@font
  54           \cs_new:Nn \lltjp_um_unmag_fsize:
  55             {
  56                   \group_begin:
  57                     \jsc@preadjust@extract@font
  58                     \cs_gset_eq:NN \lltjp_um_f@size: \f@size
  59                   \group_end:
  60                   \group_begin:
  61                     \cs_set_eq:NN \f@size \sf@size \jsc@preadjust@extract@font
  62                     \cs_gset_eq:NN \lltjp_um_sf@size: \f@size
  63                   \group_end:
  64                   \group_begin:
  65                     \cs_set_eq:NN \f@size \ssf@size \jsc@preadjust@extract@font
  66                     \cs_gset_eq:NN \lltjp_um_ssf@size: \f@size
  67                   \group_end:
  68                 }
  69         }
  70     \pretocmd { \__um_fontspec_select_font: } {
  71           \cs_set_eq:NN \lltjp_um_orig_fsize: \f@size
  72           \lltjp_um_unmag_fsize:
  73           \cs_set_eq:NN \f@size \lltjp_um_f@size:
  74           \cs_set_eq:NN \tf@size \lltjp_um_f@size:
  75           \cs_set_eq:NN \sf@size \lltjp_um_sf@size:
  76           \cs_set_eq:NN \ssf@size \lltjp_um_ssf@size:
  77         } {} {}
  78     \apptocmd { \__um_fontspec_select_font: } {
  79           \cs_set_eq:NN \f@size \lltjp_um_orig_fsize:
  80         } {} {}
  81 \fi
  82
  83 \ExplSyntaxOff
  84
  85 \endinput