path: root/Master/texmf-dist/tex/xelatex/zitie/zitie.sty

%% license LPPL 1.3c, https://www.latex-project.org/lppl/lppl-1-3c/
\NeedsTeXFormat{LaTeX2e}[2020/10/01]
\RequirePackage{ xparse , l3keys2e }
\RequirePackage{ l3draw }
\ProvidesExplPackage {zitie} {2021/09/23} {v1.1} {CJK character calligraphy sheet}
\RequirePackage { xeCJK }
\@ifpackageloaded { ctex } { } 
  { \RequirePackage { ctexsize } \sys_if_platform_windows:T { \setCJKmainfont {SimSun} } }
\@ifpackageloaded { xcolor }
  { 
    \cs_set_nopar:Npn \zitie_color_select:nn #1#2 { \colorlet{#1}{#2} \color_set:nn {#1} {#2} } 
    \cs_set_nopar:Npn \zitie_color_select:nnn #1#2#3 { \colorlet{#1}[#2]{#3} \color_set:nnn {#1} {#2} {#3} }
  }
  { 
    \hook_gput_code:nnn { package/after/xcolor } { package } 
      { 
        \cs_set_nopar:Npn \zitie_color_select:nn #1#2 { \colorlet{#1}{#2} \color_set:nn {#1} {#2} } 
        \cs_set_nopar:Npn \zitie_color_select:nnn #1#2#3 { \colorlet{#1}[#2]{#3} \color_set:nnn {#1} {#2} {#3} }
      } 
    \cs_set_nopar:Npn \zitie_color_select:nn #1#2 { \color_set:nn {#1} {#2} }
    \cs_set_nopar:Npn \zitie_color_select:nnn #1#2#3 { \color_set:nnn {#1} {#2} {#3} }
  }
\NewDocumentCommand \zitiecolorlet { m o m }
  { \IfNoValueTF {#2} { \zitie_color_select:nn {#1} {#3} } { \zitie_color_select:nnn {#1} {#2} {#3} } }

\box_new:N \l_zitie_basebox_box
\tl_new:N \l_zitie_frame_type_tl
\tl_new:N \l_zitie_resize_method_tl
\clist_new:N \g__zitie_frame_list_clist
\clist_new:N \g__zitie_resize_method_clist
\dim_new:N \l__zitie_char_width_dim
\dim_new:N \l__zitie_char_height_dim
\dim_new:N \l__zitie_box_width_dim
\dim_new:N \l__zitie_box_height_dim
\coffin_new:N \l__zitie_box_coffin
\dim_new:N \l__zitie_linewidth_dim
\cs_new_nopar:Nn \__zitie_aux_color_fill: { }
\ior_new:N \g__zitie_file_read_ior
\clist_new:N \g__zitie_fallback_font_clist

\dim_new:N \zitiewidth
\dim_new:N \zitieheight
\dim_new:N \zitieboxwd
\dim_new:N \zitieboxht
\dim_new:N \zitieboxdp
\tl_new:N \zitiefontname
\tl_new:N \zitiexscaleratio
\tl_new:N \zitieyscaleratio

\int_new:N \l__zitie_begin_int
\int_new:N \l__zitie_end_int
\clist_new:N \l__zitie_tmpa_clist
\tl_new:N \l__zitie_tmpa_tl
\seq_new:N \l__zitie_tmpa_seq
\coffin_new:N \l__zitie_tmpa_coffin
\coffin_new:N \l__zitie_tmpb_coffin
\tl_new:N \l__zitie_file_chars_tl

\tl_const:Nn \c_zitie_font_name_prefix_tl { 字帖@ }

%%% fontspec, xeCJK, xetex
\cs_new:Npn \zitie_stroke_chars:nn #1#2 % operator, chars
  { \special { pdf:code ~ q ~ #1 } #2 \special { pdf:code ~ Q } }
\cs_new:Npn \zitiestrokechars { \zitie_stroke_chars:nn }
\prg_set_eq_conditional:NNn \zitie_font_if_exist:n \fontspec_font_if_exist:n { T, F, TF }
\cs_new_nopar:Npn \__zitie_zihao:n #1 { \zihao {#1} }
\cs_set_eq:NN \__zitie_check_num_range:nnNN \__xeCJK_check_num_range:nnNN
\cs_set_eq:NN \__zitie_int_until_do:nn \xeCJK_int_until_do:nn 
\cs_new_nopar:Npn \__zitie_font_select:nN #1 
  { 
    \xeCJK_family_if_exist:nTF { \c_zitie_font_name_prefix_tl #1 } 
      { \CJKfamily+ { \c_zitie_font_name_prefix_tl #1 } }
      { \CJKfamily+ {#1} }
  }
\NewDocumentCommand \zitieCJKfamily { t+ t- m }
  {
    \xeCJK_family_if_exist:nTF { \c_zitie_font_name_prefix_tl #3 }
      { \xeCJK_family:NNx #1 #2 { \c_zitie_font_name_prefix_tl #3 } }
      { \xeCJK_family:NNx #1 #2 {#3} }
    \tex_ignorespaces:D 
  }
\msg_new:nnn { zitie } { font-exist } { Font~ `#1'~ not~ exist, has~ been~ ignored. }
\cs_new:Npn \__zitie_new_font_family:nnn #1#2#3 % family name, font name, feature
  { \__xeCJK_pass_args:nnnn { \xeCJK_set_family:nnn { \c_zitie_font_name_prefix_tl #1 } } {#3} {#2} { } }
\cs_new:Npn \__zitie_new_font_family_validate:nnn #1#2#3
  {
    \zitie_font_if_exist:nTF {#2} { \__zitie_new_font_family:nnn {#1} {#2} {#3} }
      { \msg_warning:nnn { zitie } { font-exist } {#2} }
  }
\cs_new:Npn \zitie_token_class_dispatch:Nnnnn #1 
  {
    \if_case:w \xeCJK_token_value_class:N #1 \exp_stop_f: 
      \exp_after:wN \use_none:nnn  % other 
    \or: \exp_after:wN \use_i:nnnn % CJK
    \or: \exp_after:wN \use_ii:nnnn % FullLeft
    \or: \exp_after:wN \use_iii:nnnn % FullRight
    \else: \exp_after:wN \use_none:nnn % other 
    \fi:
  }
\cs_new:Npn \zitie_token_class_dispatch_o:Nnnnn #1
  { \exp_after:wN \zitie_token_class_dispatch:Nnnnn #1 }
\cs_new:Npn \zitie_token_class_dispatch_f:Nnnnn #1
  { \exp_args:Nf \zitie_token_class_dispatch:Nnnnn #1 }
\prg_new_conditional:Npnn \zitie_token_if_punctuation:N #1 { p, T, F, TF }
  {
    \int_compare:nNnTF { \xeCJK_token_value_class:N #1 } > 1
      { 
        \int_compare:nNnTF { \xeCJK_token_value_class:N #1 } < 6
          { \prg_return_true: } { \prg_return_false: }
      }
      { \prg_return_false: }
  }
\cs_set:Npn \zitie_token_if_punctuation_o:NTF
  { \exp_after:wN \zitie_token_if_punctuation:NTF }
\cs_set:Npn \zitie_token_if_punctuation_o:NT
  { \exp_after:wN \zitie_token_if_punctuation:NT }
\cs_set:Npn \zitie_token_if_punctuation_o:NF
  { \exp_after:wN \zitie_token_if_punctuation:NF }
\cs_set:Npn \zitie_token_if_punctuation_f:NTF
  { \exp_args:Nf \zitie_token_if_punctuation:NTF }
\cs_set:Npn \zitie_token_if_punctuation_f:NT
  { \exp_args:Nf \zitie_token_if_punctuation:NT }
\cs_set:Npn \zitie_token_if_punctuation_f:NF
  { \exp_args:Nf \zitie_token_if_punctuation:NF }
%%%

\prg_new_conditional:Npnn \zitie_if_preamble: { p, T, F, TF }
  {
    \if_meaning:w \@onlypreamble \@notprerr
      \prg_return_false:
    \else:
      \prg_return_true:
    \fi:
  }
\cs_new:Npn \__zitie_calc_basechar_w_h:
  {
    \dim_set:Nn \l__zitie_char_width_dim { \box_wd:N \l_zitie_basebox_box }
    \dim_set:Nn \l__zitie_char_height_dim { \box_ht_plus_dp:N \l_zitie_basebox_box }
  }
\cs_new_nopar:Npn \zitie_frame_type:n #1 { __zitie_frame_construct_type_ #1 :nnnnnn } % x1, y1, x2, y2, x times, y times
\cs_new_nopar:Npn \zitie_frame_type_c:n #1 { \use:c { __zitie_frame_construct_type_ #1 :nnnnnn } }
\cs_new_nopar:Npn \__zitie_resize:n #1 { __zitie_processor_resize_ #1 :n }
\cs_new_nopar:Npn \__zitie_resize_c:n #1 { \use:c { __zitie_processor_resize_ #1 :n } }
\cs_new_nopar:Npn \zitie_processor:n #1 { __zitie_processor_ #1 :n }
\cs_new_nopar:Npn \zitie_processor_c:n #1 { \use:c { __zitie_processor_ #1 :n } }
\cs_new_nopar:Npn \zitie_processor:nnn #1#2#3
  {
    __zitie_processor_ #1 @ #2 :
    \if_case:w 0#3 \prg_do_nothing: 
    \or: n \or: nn \or: nnn \or: nnnn \or: nnnnn \or: nnnnnn 
    \or: nnnnnnn \or: nnnnnnnn \else: nnnnnnnnn \fi:
  }
\cs_new_nopar:Npn \zitie_processor_c:nnn #1#2#3 { \use:c { \zitie_processor:nnn {#1} {#2} {#3} } }
\cs_new_nopar:Npn \__zitie_coffin_ht_plus_dp:N #1 { \coffin_ht:N #1 + \coffin_dp:N #1 }
\cs_new:Npn \zitie_debug:n { \bool_if:NTF \l__zitie_debug_bool { \use:n } { \use_none:n } }
\cs_new_nopar:Npn \zitie_cjk_glyph_use:nN #1#2
  {
    \group_begin:
    \bool_if:NTF \l__zitie_font_fallback_bool
      {
        \__zitie_font_select:nN {#1} \prg_do_nothing: 
        \__zitie_cjk_glyph_use_aux:N #2 
      } 
      { \__zitie_font_select:nN {#1} #2 }
    \group_end:
  }
\cs_new_nopar:Npn \__zitie_cjk_glyph_use_aux:N #1
  {
    \exp_args:Nf \xeCJK_glyph_if_exist:NTF #1 {#1}
      {
        \clist_pop:NNTF \g__zitie_fallback_font_clist \l__zitie_tmpa_tl
          {
            \xeCJK_family_if_exist:nTF { \c_zitie_font_name_prefix_tl \l__zitie_tmpa_tl }
              {
                \CJKfamily+ { \c_zitie_font_name_prefix_tl \l__zitie_tmpa_tl }
                \__zitie_cjk_glyph_use_aux:N #1
              }
              {
                \CJKfamily+ { \l__zitie_tmpa_tl }
                \__zitie_cjk_glyph_use_aux:N #1
              }
          }
          {#1}
      }
  }


\msg_new:nnn { zitie } { frame-exists } { The~ frame~ type~ `#1~ not~ exists. }
\msg_new:nnn { zitie } { font-args } { The~ font~ arguments~ number~ must~ be~ 2~ or~ 3, while~ you~ get~ `#1' }

\keys_define:nn { zitie }
  { 
    enable-background .bool_set:N = \g__zitie_enable_background_bool ,
    enable-background .initial:n = false ,
    enable-background .default:n = true ,
    enable-zhlipsum .bool_set:N = \g__zitie_enable_zhlipsum_bool ,
    enable-zhlipsum .initial:n = false ,
    enable-zhlipsum .default:n = true ,
  }

\keys_define:nn { zitie }
  {
    basechar .code:n = { \tl_gset:Nx \c_zitie_basechar_tl {#1} \__zitie_calc_basechar_w_h: } ,
    zihao .code:n = 
      { 
        \hbox_gset:Nn \l_zitie_basebox_box { \__zitie_zihao:n {#1} \c_zitie_basechar_tl } 
        \__zitie_calc_basechar_w_h:
      } ,
    punctuation .choice: ,
    punctuation / ignore .code:n = { \cs_set_eq:cN { \zitie_processor:n { punctuation } } \use_none:n } ,
    punctuation / leave .code:n = { \cs_set_eq:cN { \zitie_processor:n { punctuation } } \use:n } ,
    punctuation / unknown .code:n = { \cs_set_eq:cc { \zitie_processor:n { punctuation } } {#1} } ,
    punctuation .initial:n = ignore ,
    punctuation* .cs_set:cp = { \zitie_processor:n { punctuation } } #1 ,
    
    frametype .code:n = 
      { 
        \exp_args:NNx \clist_if_in:NnTF \g__zitie_frame_list_clist {#1} 
          { \tl_set:Nx \l_zitie_frame_type_tl {#1} }
          { \msg_error:nnx { zitie } { frame-exists } {#1} }
      } ,
    resize .code:n = 
      {
        \exp_args:NNx \clist_if_in:NnTF \g__zitie_resize_method_clist {#1}
          { \tl_set:Nx \l_zitie_resize_method_tl {#1} }
          { \msg_error:nnx { zitie } { resize-method } {#1} }
      } ,
    font .tl_set:N = \l__zitie_font_tl ,
    font .initial:n = 宋体 ,
    font .default:n = { } , % { \l_xeCJK_family_tl } ,
    xscale .tl_set:N = \l__zitie_x_scale_tl ,
    xscale .initial:n = 1 ,
    yscale .tl_set:N = \l__zitie_y_scale_tl ,
    yscale .initial:n = 1 ,
    scale .meta:n = { xscale = #1 , yscale = #1 } ,
    width .dim_set:N = \l__zitie_box_width_dim ,
    height .dim_set:N = \l__zitie_box_height_dim ,
    linewidth .dim_set:N = \l__zitie_linewidth_dim ,
    linewidth .initial:n = 0.4pt ,
    framecolor .code:n = { \zitie_color_select:nn { zitieframecolor } {#1} } ,
    framecolor .initial:n = black ,
    framecolor* .code:n = { \zitie_color_select:nnn { zitieframecolor } #1 } ,
    charcolor .code:n = { \zitie_color_select:nn { zitiecharcolor } {#1} } ,
    charcolor .initial:n = black ,
    charcolor* .code:n = { \zitie_color_select:nnn { zitieframecolor } {#1} } ,
    color .meta:n = { framecolor = #1, charcolor = #1 } ,
    color* .meta:n = { framecolor* = #1, charcolor* = #1 } ,
    fillcolor .code:n = 
      { 
        \exp_args:Nx \tl_if_empty:nTF {#1}
          { \zitie_color_select:nn { zitiefillcolor } { white } \cs_set_nopar:Npn \__zitie_aux_color_fill: { } }
          { 
            \zitie_color_select:nn { zitiefillcolor } {#1}
            \cs_set_nopar:Npn \__zitie_aux_color_fill: { \color_fill:n {#1} } 
          }
      } ,
    fillcolor* .code:n = 
      { 
        \zitie_color_select:nnn { zitiefillcolor } #1
        \cs_set_nopar:Npn \__zitie_aux_color_fill: { \color_fill:nn #1 } 
      } ,
    dashpattern .tl_set:N = \l__zitie_dash_pattern_tl ,
    dashpattern .initial:n = { } ,
    framearc .code:n = { \tl_set:Nn \l__zitie_frame_arc_tl { {#1}{#1} } } ,
    framearc* .tl_set:N = \l__zitie_frame_arc_tl ,
    framearc* .initial:n = { { 0cm }{ 0cm } } ,
    filepath .code:n = 
      {
        \seq_clear:N \l_file_search_path_seq 
        \keys_set:nn { zitie } { filepath+ = {#1} }
      } ,
    filepath+ .code:n = { \tl_map_inline:nn {#1} { \seq_put_right:Nn \l_file_search_path_seq {##1} } } ,
    charstroke .multichoice: ,
    charstroke / none .code:n = { \cs_set_eq:cN { \zitie_processor:n { charstroke } } \use:n } ,
    charstroke / unknown .code:n = { \cs_set_eq:cc { \zitie_processor:n { charstroke } } {#1} } ,
    charstrokespecial .code:n = 
      { 
        \cs_set:cn { \zitie_processor:n { charstroke } } 
          { \zitie_stroke_chars:nn {#1} {##1} }
      } ,
    charstroke .initial:n = { none } ,

    debug .bool_set:N = \l__zitie_debug_bool ,
    debug .initial:n = false ,
    debug .default:n = true ,
    savefontname .bool_set:N = \l__zitie_savefontname_bool ,
    savefontname .initial:n = false ,
    savefontname .default:n = true ,
    fallback .bool_set:N = \l__zitie_font_fallback_bool ,
    fallback .initial:n = false ,
    fallback .default:n = true ,
    fallbackfont .clist_set:N = \g__zitie_fallback_font_clist ,
    fallbackfont .initial:n = { 宋体 } ,
    fallbackfont+ .code:n = { \clist_put_right:Nn \g__zitie_fallback_font_clist {#1} } ,
  }

\hook_new_pair:nn { zitie/processor/before } { zitie/processor/after }
\cs_new:Npn \zitie_new_process_rule:nnn #1#2#3 % processor, id, code
  {
    \cs_set:cpn { __zitie_processor_ #1 @ #2 :n } ##1 
      { \hook_use:n { zitie/processor/before } #3 \hook_use:n { zitie/processor/after } }
    \keys_define:nn { zitie } 
      { #1/#2 .code:n = { \cs_set_eq:cc { \zitie_processor:n {#1} } { __zitie_processor_ #1 @ #2 :n } } }
  }
\cs_new:Npn \zitie_new_process_rule:nnnn #1#2#3#4 % processor, id, arg num, code
  {
    \cs_set:cn { \zitie_processor:nnn {#1} {#2} {#3} } 
      { \hook_use:n { zitie/processor/before } #4 \hook_use:n { zitie/processor/after } }
    \keys_define:nn { zitie } 
      { #1/#2 .code:n = { \cs_set_eq:cc { \zitie_processor:n {#1} } { \zitie_processor:nnn {#1} {#2} {#3} } } }
  }
\NewDocumentCommand \zitienewrule { O{1} >{\TrimSpaces} m > {\TrimSpaces} m m } 
  { \zitie_new_process_rule:nnnn {#2} {#3} {#1} {#4} }
\zitie_new_process_rule:nnn { punctuation } { onlast }
  { \tex_penalty:D 10000\smash{ \makebox[0pt]{ \color_select:n { zitiecharcolor } \zitieCJKfamily{\zitiefontname} #1 } } }
\zitie_new_process_rule:nnn { punctuation } { scale }
  { 
    \hbox_set:Nn \l_tmpa_box { \color_select:n { zitiecharcolor } \zitieCJKfamily{\zitiefontname} #1 }
    \box_scale:Nnn \l_tmpa_box \zitiexscaleratio \zitieyscaleratio \box_use_drop:N \l_tmpa_box 
  }
\zitie_new_process_rule:nnn { charstroke } { solid }
  { \zitie_stroke_chars:nn { 1 ~ Tr ~ 0.25 ~ w ~ [] ~ 0 ~ d ~ 1 ~ J } {#1} }
\zitie_new_process_rule:nnn { charstroke } { dashed }
  { \zitie_stroke_chars:nn { 1 ~ Tr ~ 0.25 ~ w ~ [.8] ~ 0 ~ d ~ 1 ~ J } {#1} }
\zitie_new_process_rule:nnn { charstroke } { whitesolid }
  { \zitie_stroke_chars:nn { 2 ~ Tr ~ 0.25 ~ w ~ [] ~ 0 ~ d ~ 1 ~ J ~ 1 ~ 1 ~ 1 ~ rg } {#1} }
\zitie_new_process_rule:nnn { charstroke } { whitedashed }
  { \zitie_stroke_chars:nn { 2 ~ Tr ~ 0.25 ~ w ~ [.8] ~ 0 ~ d ~ 1 ~ J ~ 1 ~ 1 ~ 1 ~ rg } {#1} }


\cs_new:Npn \__zitie_new_font_family:nn #1#2 { \__zitie_new_font_family:nnn {#1} {#2} { } }
\cs_new:Npn \__zitie_new_font_family_validate:nn #1#2 { \__zitie_new_font_family_validate:nnn {#1} {#2} { } }
\cs_new:Npn \zitie_new_font:n #1
  {
    \clist_map_inline:nn {#1}
      {
        \int_case:nnF { \tl_count:n {##1} }
          {
            { 2 } { \__zitie_new_font_family_validate:nn ##1 } 
            { 3 } { \__zitie_new_font_family_validate:nnn ##1 }
          }
          { \msg_error:nnn { zitie } { font-args } {##1} }
      }
  }
\cs_new:Npn \zitie_new_font:nnn #1#2#3 % fontfamily, fontname, font feature
  {
    \seq_set_from_clist:Nn \l__zitie_tmpa_seq {#1}
    \clist_set:Nn \l__zitie_tmpa_clist {#2}
    \seq_map_indexed_inline:Nn \l__zitie_tmpa_seq
      {
        \__zitie_new_font_family_validate:nnn 
          { ##2 } { \clist_item:Nn \l__zitie_tmpa_clist {##1} } {#3}
      }
  }

\cs_new:Npn \zitiesetup #1 
  { 
    \keys_set:nn { zitie } {#1} 
    \bool_if:NTF \l__zitie_savefontname_bool
      { \tl_gset_eq:NN \zitiefontname \l__zitie_font_tl }
      { \tl_gset_eq:NN \zitiefontname \c_empty_tl }
  }


\cs_new:Npn \zitie_new_resize_method:nn #1 
  { 
    \clist_put_right:Nn \g__zitie_resize_method_clist {#1}
    \cs_new:cpn { \__zitie_resize:n {#1} } 
  }
\zitie_new_resize_method:nn { none } { }
\cs_new:Npn \zitie_new_frame_construct:nn #1 
  { 
    \clist_put_right:Nn \g__zitie_frame_list_clist {#1}
    \cs_new:cn { \zitie_frame_type:n {#1} } 
  }
\zitie_new_frame_construct:nn { none } { }

\zitie_font_if_exist:nT { SimSun } { \zitie_new_font:n { {宋体}{SimSun} } }
\keys_set:nn { zitie } 
  {
    basechar = 好 ,
    zihao = 4 ,
    frametype = none ,
    resize = none ,
  }

\ProcessKeysPackageOptions { zitie }
\cs_new:Npn \zitie_single_construct:nN #1#2
  {
    \group_begin:
    \tl_if_empty:nF {#1} { \keys_set:nn { zitie } {#1} }
    \tl_set:Nf \l__zitie_curr_char_tl {#2}
    \__zitie_single_construct_o:N \l__zitie_curr_char_tl
    \group_end:
  }
\cs_new:Npn \zitie_single_construct:N #1
  {
    \group_begin:
    \tl_set:Nf \l__zitie_curr_char_tl {#1}
    \__zitie_single_construct_o:N \l__zitie_curr_char_tl
    \group_end:
  }
\cs_new:Npn \__zitie_single_construct:N #1
  {
    \zitie_token_if_punctuation_f:NTF #1
      { \zitie_processor_c:n { punctuation } {#1} }
      {
        \hcoffin_set:Nn \l__zitie_box_coffin 
          {
            \color_select:n { zitiecharcolor }
            \zitie_processor_c:n { charstroke }
              { \zitie_cjk_glyph_use:nN { \l__zitie_font_tl } \l__zitie_curr_char_tl }
          }
        \tl_set:Nx \zitiexscaleratio { \dim_to_decimal:n { \coffin_wd:N \l__zitie_box_coffin} }
        \tl_set:Nx \zitieyscaleratio { \dim_to_decimal:n { \__zitie_coffin_ht_plus_dp:N \l__zitie_box_coffin } }
        \__zitie_resize_c:n { \l_zitie_resize_method_tl }
        \dim_gset:Nn \zitiewidth { \coffin_wd:N \l__zitie_box_coffin }
        \dim_gset_eq:NN \zitieboxwd \zitiewidth
        \dim_gset:Nn \zitieboxht { \coffin_ht:N \l__zitie_box_coffin }
        \dim_gset:Nn \zitieboxdp { \coffin_dp:N \l__zitie_box_coffin }
        \dim_gset:Nn \zitieheight { \zitieboxht + \zitieboxdp }
        \tl_gset:Nx \zitiexscaleratio { \fp_eval:n { \dim_to_fp:n { \zitiewidth } / \zitiexscaleratio } }
        \tl_gset:Nx \zitieyscaleratio { \fp_eval:n { \dim_to_fp:n { \zitieheight } / \zitieyscaleratio } }
        \__zitie_single_frame_construct:
      }
  }
\cs_set:Npn \__zitie_single_construct_o:N
  { \exp_after:wN \__zitie_single_construct:N }
\cs_set:Npn \__zitie_single_construct_f:N
  { \exp_args:Nf \__zitie_single_construct:N }

\cs_new:Npn \zitie_dim_gezero_dispatch:NNnnn #1#2 #3#4#5
  {
    \dim_compare:nNnTF #1 > \c_zero_dim
      { #3 }
      {
        \dim_compare:nNnTF #2 > \c_zero_dim
          { #4 } { #5 }
      }
  }
\cs_new:Npn \zitie_dim_gezero_dispatch:NNnnnn #1#2 #3#4#5#6
  {
    \dim_compare:nNnTF #1 > \c_zero_dim
      {
        \dim_compare:nNnTF #2 > \c_zero_dim
          { #3 } { #4 }
      }
      {
        \dim_compare:nNnTF #2 > \c_zero_dim
          { #5 } { #6 }
      }
  }
\cs_new:Npn \__zitie_force_size_dispatch:nnn % height, width, none 
  { \zitie_dim_gezero_dispatch:NNnnn \l__zitie_box_height_dim \l__zitie_box_width_dim }
\cs_new:Npn \__zitie_force_size_dispatch:nnnn % both, height, width, none
  { \zitie_dim_gezero_dispatch:NNnnnn \l__zitie_box_height_dim \l__zitie_box_width_dim }
\zitie_new_resize_method:nn { real }
  {
    \__zitie_force_size_dispatch:nnnn 
      { \coffin_resize:Nnn \l__zitie_box_coffin \l__zitie_box_width_dim \l__zitie_box_height_dim }
      { 
        \coffin_scale:Nnn \l__zitie_box_coffin 
          { \dim_ratio:nn { \l__zitie_box_height_dim } { \__zitie_coffin_ht_plus_dp:N \l__zitie_box_coffin } }
          { \dim_ratio:nn { \l__zitie_box_height_dim } { \__zitie_coffin_ht_plus_dp:N \l__zitie_box_coffin } }
      }
      {
        \coffin_scale:Nnn \l__zitie_box_coffin 
          { \dim_ratio:nn { \l__zitie_box_width_dim } { \coffin_wd:N \l__zitie_box_coffin } }
          { \dim_ratio:nn { \l__zitie_box_width_dim } { \coffin_wd:N \l__zitie_box_coffin } }
      }
      { \coffin_scale:Nnn \l__zitie_box_coffin { \l__zitie_x_scale_tl } { \l__zitie_y_scale_tl } }
  }

\zitie_new_resize_method:nn { base }
  {
    \__zitie_force_size_dispatch:nnnn 
      { \coffin_resize:Nnn \l__zitie_box_coffin \l__zitie_box_width_dim \l__zitie_box_height_dim }
      {
        \coffin_resize:Nnn \l__zitie_box_coffin
          { \l__zitie_char_width_dim * \dim_ratio:nn { \l__zitie_box_height_dim } { \__zitie_coffin_ht_plus_dp:N \l__zitie_box_coffin } }
          { \l__zitie_box_height_dim }
      }
      {
        \coffin_resize:Nnn \l__zitie_box_coffin
          { \l__zitie_box_width_dim }
          { \l__zitie_char_height_dim * \dim_ratio:nn { \l__zitie_box_width_dim } { \coffin_wd:N \l__zitie_box_coffin } }
      }
      {
        \coffin_resize:Nnn \l__zitie_box_coffin 
          { \l__zitie_x_scale_tl \l__zitie_char_width_dim }
          { \l__zitie_y_scale_tl \l__zitie_char_height_dim }
      }
  }

\zitie_new_resize_method:nn { square }
  {
    \hcoffin_set:Nn \l__zitie_tmpa_coffin { \phantom { \c_zitie_basechar_tl } }
    \dim_set:Nn \zitiewidth { \coffin_wd:N \l__zitie_box_coffin }
    \dim_set:Nn \zitieheight { \__zitie_coffin_ht_plus_dp:N \l__zitie_box_coffin }
    \__zitie_resize_method_square_aux:
    \tl_set:Nx \zitiexscaleratio { \dim_to_decimal:n \zitiewidth }
    \tl_set_eq:NN \zitieyscaleratio \zitiexscaleratio
    \__zitie_force_size_dispatch:nnnn 
      { \coffin_resize:Nnn \l__zitie_box_coffin \l__zitie_box_width_dim \l__zitie_box_height_dim }
      { \coffin_resize:Nnn \l__zitie_box_coffin \l__zitie_box_height_dim \l__zitie_box_height_dim }
      { \coffin_resize:Nnn \l__zitie_box_coffin \l__zitie_box_width_dim \l__zitie_box_width_dim }
      { \coffin_scale:Nnn \l__zitie_box_coffin \l__zitie_x_scale_tl \l__zitie_y_scale_tl }
  }
\cs_new:Npn \__zitie_resize_method_square_aux:
  {
    \if_dim:w \zitieheight > \zitiewidth
      \coffin_resize:Nnn \l__zitie_tmpa_coffin
        { ( \zitieheight - \zitiewidth ) / 2 }
        { \zitieheight }
      \coffin_join:NnnNnnnn \l__zitie_box_coffin { r } { vc } \l__zitie_tmpa_coffin { l } { vc } { 0pt } { 0pt }
      \coffin_join:NnnNnnnn \l__zitie_box_coffin { l } { vc } \l__zitie_tmpa_coffin { r } { vc } { 0pt } { 0pt }
      \dim_set_eq:NN \zitiewidth \zitieheight
    \else: \if_dim:w \zitiewidth > \zitieheight
      \coffin_resize:Nnn \l__zitie_tmpa_coffin 
        { \zitiewidth }
        { ( \zitiewidth - \zitieheight ) / 2 }
      \coffin_join:NnnNnnnn \l__zitie_box_coffin { hc } { t } \l__zitie_tmpa_coffin { hc } { b } { 0pt } { 0pt }
      \coffin_join:NnnNnnnn \l__zitie_box_coffin { hc } { b } \l__zitie_tmpa_coffin { hc } { t } { 0pt } { 0pt }
      \dim_set_eq:NN \zitieheight \zitiewidth
    \fi: \fi:
  }

\msg_new:nnn { zitie } { frame-type } { using~ `#1'~ frame. }
\cs_new:Npn \__zitie_single_frame_construct:
  {
    \draw_begin:
    \draw_linewidth:n { \l__zitie_linewidth_dim }
    \__zitie_aux_color_fill:
    \color_stroke:n { zitieframecolor }
    \tl_if_empty:NF \l__zitie_dash_pattern_tl { \exp_args:No \draw_dash_pattern:nn { \l__zitie_dash_pattern_tl } { 0pt } }
    \exp_after:wN \draw_path_corner_arc:nn \l__zitie_frame_arc_tl
    \zitie_frame_type_c:n { \l_zitie_frame_type_tl } { 0 } { 0 } { \zitiewidth } { \zitieheight } { 1 } { 1 }
    \draw_coffin_use:Nnn \l__zitie_box_coffin { l } { b }
    \draw_end:
  }
\zitie_new_frame_construct:nn { 口 }
  {
    \draw_path_rectangle_corners:nn { #1 , #2 } { #3 , #4 }
    \cs_if_eq:NNTF \__zitie_aux_color_fill: \c_empty_tl
      { \draw_path_use_clear:n { stroke } }
      { \draw_path_use_clear:n { stroke , fill } }
  }
\zitie_new_frame_construct:nn { 十 }
  {
    \draw_path_moveto:n { (#3)/2 , #2 }
    \draw_path_lineto:n { #3/2 , #4 }
    \draw_path_moveto:n { #1 , (#4)/2 }
    \draw_path_lineto:n { #3 , (#4)/2 }
    \draw_path_use_clear:n { stroke }
  }
\zitie_new_frame_construct:nn { 田 }
  {
    \zitie_frame_type_c:n { 口 } {#1} {#2} {#3} {#4} {#5} {#6}
    \zitie_frame_type_c:n { 十 } {#1} {#2} {#3} {#4} {#5} {#6}
  }
\zitie_new_frame_construct:nn { × }
  {
    \draw_path_moveto:n { #1 , #2 }
    \draw_path_lineto:n { #3 , #4 }
    \draw_path_moveto:n { #1 , #4 }
    \draw_path_lineto:n { #3 , #2 }
    \draw_path_use_clear:n { stroke }
  }
\zitie_new_frame_construct:nn { 咪 }
  {
    \zitie_frame_type_c:n { 口 } {#1} {#2} {#3} {#4} {#5} {#6}
    \zitie_frame_type_c:n { × } {#1} {#2} {#3} {#4} {#5} {#6}
    \zitie_frame_type_c:n { 十 } {#1} {#2} {#3} {#4} {#5} {#6}
  }
\zitie_new_frame_construct:nn { 米 }
  {
    \zitie_frame_type_c:n { × } {#1} {#2} {#3} {#4} {#5} {#6}
    \zitie_frame_type_c:n { 十 } {#1} {#2} {#3} {#4} {#5} {#6}
  }

\NewDocumentCommand \zitienewfont { s } { \IfBooleanTF {#1} { \zitie_new_font:nnn } { \zitie_new_font:n } }
\hook_new_pair:nn { zitie/framezi/before } { zitie/framezi/after }
\NewDocumentCommand \framezi { s O{} m } 
  { 
    \group_begin:
    \tl_if_empty:nF {#2} { \keys_set_filter:nnn { zitie } { geometry } {#2} }
    \hook_use:n { zitie/framezi/before }
    \bool_if:NTF \l__zitie_savefontname_bool
      { \tl_gset_eq:NN \zitiefontname \l__zitie_font_tl }
      { \tl_gset_eq:NN \zitiefontname \c_empty_tl }
    \IfBooleanTF {#1}
      { \tl_map_inline:Nn #3 { \zitie_single_construct:N ##1 \allowbreak } }
      { \tl_map_inline:nn {#3} { \zitie_single_construct:N ##1 \allowbreak } }
    \hook_use:n { zitie/framezi/after }
    \group_end:
  }
\hook_new_pair:nn { zitie/framerange/before } { zitie/framerange/after }
\hook_new:n { zitie/framerange/range }
\NewDocumentCommand \framerange { O{} m }
  {
    \group_begin:
    \tl_if_empty:nF {#1} { \keys_set_filter:nnn { zitie } { geometry } {#1} }
    \hook_use:n { zitie/framerange/before }
    \bool_if:NTF \l__zitie_savefontname_bool
      { \tl_gset_eq:NN \zitiefontname \l__zitie_font_tl }
      { \tl_gset_eq:NN \zitiefontname \c_empty_tl }
    \clist_map_inline:nn {#2}
      {
        \str_if_eq:nnF {##1} { -> }
          { 
            \__zitie_frame_range_aux:Nnw \__zitie_check_num_range:nnNN {##1} 
              \l__zitie_begin_int \l__zitie_end_int
            \__zitie_int_until_do:nn { \l__zitie_begin_int > \l__zitie_end_int }
              {
                \group_begin:
                \tl_set:Nf \l__zitie_curr_char_tl { \tex_Uchar:D \l__zitie_begin_int }
                \__zitie_single_construct_o:N \l__zitie_curr_char_tl 
                \group_end: \allowbreak
                \int_incr:N \l__zitie_begin_int
              } 
          }
        \hook_use:n { zitie/framerange/range }
      }
    \hook_use:n { zitie/framerange/after }
    \group_end:
  }
\NewDocumentCommand \__zitie_frame_range_aux:Nnw { m >{ \SplitArgument { 1 } { -> } } m } { #1 #2 }

\cs_new:Npn \__zitie_construct_loop:N #1
  { 
    \tl_if_eq:nnTF #1 \par { \par \hook_use:n { zitie/zitieframe/par } \__zitie_construct_loop:N }
      { \quark_if_nil:nF {#1} { \zitie_single_construct:N #1 \allowbreak \__zitie_construct_loop:N } } 
  }
\hook_new_pair:nn { zitie/zitieframe/before } { zitie/zitieframe/after }
\hook_new:n { zitie/zitieframe/par }
\NewDocumentEnvironment { zitieframe } { G{} O{} +b }
  {
    \group_begin:
    \lineskip=0pt \parindent=0pt \parskip=0pt \raggedright
    \tl_if_empty:nF {#2} { \keys_set:nn { zitie } {#2} }
    \hook_use:n { zitie/zitieframe/before }
    #1
    \bool_if:NTF \l__zitie_savefontname_bool
      { \tl_gset_eq:NN \zitiefontname \l__zitie_font_tl }
      { \tl_gset_eq:NN \zitiefontname \c_empty_tl }
    \__zitie_construct_loop:N #3 \q_nil
  } { \hook_use:n { zitie/zitieframe/after } \group_end: }

\hook_new_pair:nn { zitie/framezifile/before } { zitie/framezifile/after }
\NewDocumentCommand \framezifile { s O{} m }
  {
    \group_begin:
    \tl_if_empty:nF {#2} { \keys_set_filter:nnn { zitie } { geometry } {#2} }
    \hook_use:n { zitie/framezifile/before }
    \bool_if:NTF \l__zitie_savefontname_bool
      { \tl_gset_eq:NN \zitiefontname \l__zitie_font_tl }
      { \tl_gset_eq:NN \zitiefontname \c_empty_tl }
    \IfBooleanTF {#1}
      {
        \file_get:nnN {#3} { } \l__zitie_file_chars_tl
        \tl_map_inline:Nn \l__zitie_file_chars_tl { \zitie_single_construct:N ##1 \allowbreak }
      }
      {
        \ior_open:Nn \g__zitie_file_read_ior {#3}
        \ior_map_inline:Nn \g__zitie_file_read_ior
          { \tl_map_inline:nn {##1} { \zitie_single_construct:N ####1 \allowbreak } }
        \ior_close:N \g__zitie_file_read_ior
      }
    \hook_use:n { zitie/framezifile/after }
    \group_end:
  }


\if_bool:N \g__zitie_enable_background_bool
%%% module background
\dim_new:N \g__zitie_background_lmargin_dim
\dim_new:N \g__zitie_background_tmargin_dim
\dim_new:N \g__zitie_background_rmargin_dim
\dim_new:N \g__zitie_background_bmargin_dim
\dim_new:N \g__zitie_background_boxwidth_dim
\dim_new:N \g__zitie_background_boxheight_dim
\skip_new:N \g__zitie_background_boxcol_skip
\skip_new:N \g__zitie_background_boxrow_skip
\dim_new:N \g__zitie_background_framewidth_dim
\dim_new:N \g__zitie_background_frameheight_dim
\dim_new:N \g__zitie_background_x_left_dim
\dim_new:N \g__zitie_background_x_right_dim
\dim_new:N \g__zitie_background_y_top_dim
\dim_new:N \g__zitie_background_y_bottom_dim
\bool_new:N \g__zitie_background_colnum_bool
\bool_new:N \g__zitie_background_rownum_bool
\int_new:N \g__zitie_background_colboxes_int
\int_new:N \g__zitie_background_rowboxes_int
\dim_new:N \g__zitie_background_linewidth_dim
\cs_new_nopar:Npn \__zitie_background_aux_color_fill: { }
\keys_define:nn { zitie } { background .meta:nn = { zitie/background } {#1} }
\NewDocumentCommand \zitiebackground { O{} } 
  {  
    \keys_set:nn { zitie/background } {#1}
    \__zitie_background_typeset:
  }
\keys_define:nn { zitie/background }
  {
    typeset .choice: ,
    typeset / true .code:n = { \cs_gset:Npn \__zitie_background_typeset: { \zitie_set_background_frame: } } ,
    typeset / false .code:n = { \cs_gset:Npn \__zitie_background_typeset: { \zitie_unset_background_frame: } } ,
    typeset / next .code:n = 
      { 
        \cs_gset:Npn \__zitie_background_typeset: 
          { \zitie_unset_background_frame: \zitie_set_next_background_frame: }
       } ,
    typeset / none .code:n = { \cs_gset:Npn \__zitie_background_typeset: { } } ,
    true .meta:n = { typeset = true } ,
    on .meta:n = { typeset = true } ,
    false .meta:n = { typeset = false } ,
    off .meta:n = { typeset = false } ,
    next .meta:n = { typeset = next } ,
    none .meta:n = { typeset = none } ,
    lmargin .dim_gset:N = \g__zitie_background_lmargin_dim ,
    tmargin .dim_gset:N = \g__zitie_background_tmargin_dim ,
    rmargin .dim_gset:N = \g__zitie_background_rmargin_dim ,
    bmargin .dim_gset:N = \g__zitie_background_bmargin_dim ,
    margin .code:n = 
      { 
        \if_case:w \clist_count:n {#1} \exp_stop_f:
          \dim_gset:Nn \g__zitie_background_lmargin_dim { 0pt }
          \dim_gset:Nn \g__zitie_background_tmargin_dim { 0pt }
          \dim_gset:Nn \g__zitie_background_rmargin_dim { 0pt }
          \dim_gset:Nn \g__zitie_background_bmargin_dim { 0pt }
        \or:
          \dim_gset:Nn \g__zitie_background_lmargin_dim {#1}
          \dim_gset:Nn \g__zitie_background_tmargin_dim {#1}
          \dim_gset:Nn \g__zitie_background_rmargin_dim {#1}
          \dim_gset:Nn \g__zitie_background_bmargin_dim {#1}
        \or:
          \dim_gset:Nn \g__zitie_background_lmargin_dim { \clist_item:nn {#1} { 1 } }
          \dim_gset:Nn \g__zitie_background_tmargin_dim { \clist_item:nn {#1} { 2 } }
          \dim_gset:Nn \g__zitie_background_rmargin_dim { \clist_item:nn {#1} { 1 } }
          \dim_gset:Nn \g__zitie_background_bmargin_dim { \clist_item:nn {#1} { 2 } }
        \or:
          \dim_gset:Nn \g__zitie_background_lmargin_dim { \clist_item:nn {#1} { 1 } }
          \dim_gset:Nn \g__zitie_background_tmargin_dim { \clist_item:nn {#1} { 2 } }
          \dim_gset:Nn \g__zitie_background_rmargin_dim { \clist_item:nn {#1} { 1 } }
          \dim_gset:Nn \g__zitie_background_bmargin_dim { \clist_item:nn {#1} { 2 } }
        \else:
          \dim_gset:Nn \g__zitie_background_lmargin_dim { \clist_item:nn {#1} { 1 } }
          \dim_gset:Nn \g__zitie_background_tmargin_dim { \clist_item:nn {#1} { 2 } }
          \dim_gset:Nn \g__zitie_background_rmargin_dim { \clist_item:nn {#1} { 3 } }
          \dim_gset:Nn \g__zitie_background_bmargin_dim { \clist_item:nn {#1} { 4 } }
        \fi:
      } ,
    colnum .bool_gset:N = \g__zitie_background_colnum_bool ,
    rownum .bool_gset:N = \g__zitie_background_rownum_bool ,
    colboxes .int_gset:N = \g__zitie_background_colboxes_int ,
    rowboxes .int_gset:N = \g__zitie_background_rowboxes_int ,
    framewidth .dim_gset:N = \g__zitie_background_framewidth_dim ,
    frameheight .dim_gset:N = \g__zitie_background_frameheight_dim ,
    boxwidth .dim_gset:N = \g__zitie_background_boxwidth_dim ,
    boxheight .dim_gset:N = \g__zitie_background_boxheight_dim ,
    onpaper .meta:n = { frameheight = \paperheight , framewidth = \paperwidth } ,
    onpaper .value_forbidden:n = true ,
    ontext .meta:n = { frameheight = \textheight , framewidth = \textwidth } ,
    ontext .value_forbidden:n = true ,
    
    xrange .code:n = 
      { 
        \dim_gset:Nn \g__zitie_background_x_left_dim { \clist_item:nn {#1} {1} } 
        \dim_gset:Nn \g__zitie_background_x_right_dim { \clist_item:nn {#1} {2} } 
      } ,
    yrange .code:n = 
      { 
        \dim_gset:Nn \g__zitie_background_y_top_dim { \clist_item:nn {#1} {1} }
        \dim_gset:Nn \g__zitie_background_y_bottom_dim { \clist_item:nn {#1} {2} }
      } ,
    frametype .tl_gset:N = \g__zitie_background_frametype_tl ,
    linewidth .dim_gset:N = \g__zitie_background_linewidth_dim ,
    framecolor .code:n = { \zitie_color_select:nn { zitiebackgroundframecolor } {#1} } ,
    framecolor* .code:n = { \zitie_color_select:nnn { zitiebackgroundframecolor } #1 } ,
    fillcolor .code:n = 
      { 
        \exp_args:Nx \tl_if_empty:nTF {#1}
          { 
            \zitie_color_select:nn { zitiebackgroundfillcolor } { white } 
            \cs_gset_nopar:Npn \__zitie_background_aux_color_fill: { } 
          }
          { 
            \zitie_color_select:nn { zitiebackgroundfillcolor } {#1}
            \cs_gset_nopar:Npn \__zitie_background_aux_color_fill: { \color_fill:n {#1} } 
          }
      } ,
    fillcolor* .code:n = 
      { 
        \zitie_color_select:nnn { zitiebackgroundfillcolor } #1
        \cs_gset_nopar:Npn \__zitie_background_aux_color_fill: { \color_fill:nn #1 } 
      } ,
    dashpattern .tl_gset:N = \g__zitie_background_dash_pattern_tl ,
  }

\keys_set:nn { zitie/background }
  {
    typeset = none,
    margin = { 0pt, 0pt, 0pt, 0pt },
    colnum = false,
    rownum = false,
    colboxes = 1,
    rowboxes = 1,
    onpaper,
    xrange = { 0cm, \paperwidth } ,
    yrange = { 0cm, \paperheight } ,
    frametype = none,
    linewidth = 0.4pt,
    framecolor = black,
    dashpattern = { },
  }

\cs_new:Npn \zitie_set_background_frame:
  {
    \__zitie_background_calc:
    \__zitie_background_construct:nnn { background } 
      { \g__zitie_background_x_left_dim-.5\g__zitie_background_linewidth_dim }
      { -\g__zitie_background_y_bottom_dim-.5\g__zitie_background_linewidth_dim }
  }
\cs_new:Npn \zitie_set_next_background_frame:
  {
    \__zitie_background_calc:
    \__zitie_background_next_construct:nnn { background }
      { \g__zitie_background_x_left_dim-.5\g__zitie_background_linewidth_dim }
      { -\g__zitie_background_y_bottom_dim-.5\g__zitie_background_linewidth_dim }
  }
\cs_new:Npn \zitie_unset_background_frame:
  { \__zitie_unset_background_frame:n { background } }
\cs_new:Npn \__zitie_background_calc:
  {
    \zitie_dim_gezero_dispatch:NNnnnn 
      \g__zitie_background_boxheight_dim 
      \g__zitie_background_boxwidth_dim
      { \use_none:nn } { \use_ii:nn } { \use_i:nn } { \use:nn }
        {
          \dim_set:Nn \g__zitie_background_boxheight_dim
            { \g__zitie_background_frameheight_dim/\g__zitie_background_rowboxes_int }
        }
        {
          \dim_set:Nn \g__zitie_background_boxwidth_dim 
            { \g__zitie_background_framewidth_dim/\g__zitie_background_colboxes_int } 
        }
  }
\cs_new_protected:Npn \__zitie_background_construct:nnn #1#2#3
  {
    \hook_gput_code:nnn { shipout/#1 } { zitie/background }
      { \put ( \dim_eval:n {#2} , \dim_eval:n {#3} ) { \__zitie_background_construct_draw: } }
  }
\cs_new_protected:Npn \__zitie_background_construct:nnnn #1#2#3#4
  {
    \hook_gput_code:nnn { shipout/#1 } { zitie/background/#2 }
      { \put ( \dim_eval:n {#3} , \dim_eval:n {#4} ) { \__zitie_background_construct_draw: } }
  }
\cs_new_protected:Npn \__zitie_background_next_construct:nnn #1#2#3
  {
    \hook_gput_next_code:nn { shipout/#1 }
      { \put ( \dim_eval:n {#2} , \dim_eval:n {#3} ) { \__zitie_background_construct_draw: } }
  }
\cs_new:Npn \__zitie_unset_background_frame:n #1
  { \hook_gremove_code:nn { shipout/#1 } { zitie/background } }
\cs_new:Npn \__zitie_unset_background_frame:nn #1#2
  { \hook_gremove_code:nn { shipout/#1 } { zitie/background/#2 } }
\cs_new:Npn \zitie_background_frame_type:n #1 { __zitie_background_frame_ #1 :nnnnnn }
\cs_new:Npn \zitie_background_frame_type_c:n #1 { \use:c { __zitie_background_frame_ #1 :nnnnnn } }
\cs_new:Npn \__zitie_background_construct_draw:
  {
    \draw_begin:
    \tl_if_empty:NF \g__zitie_background_dash_pattern_tl 
      { \exp_args:No \draw_dash_pattern:nn { \g__zitie_background_dash_pattern_tl } { 0pt } }
    \draw_linewidth:n { \g__zitie_background_linewidth_dim }
    \__zitie_background_aux_color_fill:
    \color_stroke:n { zitiebackgroundframecolor }
    \zitie_background_frame_type_c:n { \g__zitie_background_frametype_tl }
      { 0cm } { 0cm } 
      { \g__zitie_background_x_right_dim - \g__zitie_background_x_left_dim }
      { \g__zitie_background_y_bottom_dim - \g__zitie_background_y_top_dim }
      { \g__zitie_background_boxwidth_dim } 
      { \g__zitie_background_boxheight_dim }
    \draw_end:
  }
\cs_new:Npn \zitie_background_new_frame_construct:nn #1
  { \cs_set:cn { \zitie_background_frame_type:n {#1} } }
\int_new:N \l__zitie_background_tmpa_int
\int_new:N \l__zitie_background_tmpb_int
\fp_new:N \l__zitie_background_tmpa_fp
\fp_new:N \l__zitie_background_tmpb_fp
\zitie_background_new_frame_construct:nn { none } { }
\zitie_background_new_frame_construct:nn { 口 }
  {
    \cs_if_eq:NNF \__zitie_background_aux_color_fill: \c_empty_tl
      { 
        \draw_path_rectangle_corners:nn { #1 , #2 } { #3 , #4 }
        \draw_path_use_clear:n { stroke , fill } 
      }
    \draw_path_grid:nnnn { #5 } { #6 } { #1 , #2 } 
      { #3+\g__zitie_background_linewidth_dim, #4+\g__zitie_background_linewidth_dim }
    \draw_path_use_clear:n { stroke }
  }
\zitie_background_new_frame_construct:nn { 十 }
  {
    \dim_step_inline:nnnn {#1+.5#5} {#5} {#3}
      {
        \draw_path_moveto:n { ##1 , #2 }
        \draw_path_lineto:n { ##1 , #4 }
      }
    \dim_step_inline:nnnn {#2+.5#6} {#6} {#4}
      {
        \draw_path_moveto:n { #1 , ##1 }
        \draw_path_lineto:n { #3 , ##1 }
      }
    \draw_path_use_clear:n { stroke }
  }
\zitie_background_new_frame_construct:nn { 田 }
  {
    \zitie_background_frame_type_c:n { 口 } {#1} {#2} {#3} {#4} {#5} {#6}
    \zitie_background_frame_type_c:n { 十 } {#1} {#2} {#3} {#4} {#5} {#6}
  }
\zitie_background_new_frame_construct:nn { × }
  {
    \int_set:Nn \l__zitie_background_tmpa_int { \fp_to_int:n { ceil( \dim_ratio:nn {(#3)-(#1)} {#5} ) } }
    \int_set:Nn \l__zitie_background_tmpb_int { \fp_to_int:n { ceil( \dim_ratio:nn {(#4)-(#2)} {#6} ) } }
    \if_int_compare:w \l__zitie_background_tmpa_int < \l__zitie_background_tmpb_int
      \__zitie_background_frame_construct_aux_cross:nnnnnnnn 
        {#1} {#2} {#3} {#4} {#5} {#6} { \l__zitie_background_tmpb_int } { }
    \else:
      \__zitie_background_frame_construct_aux_cross:nnnnnnnn 
        {#1} {#2} {#3} {#4} {#5} {#6} { \l__zitie_background_tmpa_int } { }
    \fi:
    \draw_path_use_clear:n { stroke }
  }
\cs_new:Npn \__zitie_background_frame_construct_aux_cross:nnnnnnnn #1#2#3#4#5#6#7#8
  {
    \int_step_inline:nn {#7}
      {
        \draw_path_moveto:n { #1 , #2 + ##1*(#6) }
        \draw_path_lineto:n { #1 + ##1*#5 , #2 }
      }
    \int_step_inline:nn {#7}
      {
        \draw_path_moveto:n { #1+#7*(#5) , #2+#7*(#6)-##1*(#6) }
        \draw_path_lineto:n { #1+#7*(#5)-##1*(#5) , #2+#7*(#6) }
      }
    \int_step_inline:nn {#7}
      {
        \draw_path_moveto:n { #1+#7*(#5)-##1 #5 , #2 }
        \draw_path_lineto:n { #1+#7*(#5) , #2+(##1)*#6 }
      }
    \int_step_inline:nn {#7}
      {
        \draw_path_moveto:n { #1 , #2+#7*#6-##1*(#6) }
        \draw_path_lineto:n { #1+##1*(#5) , #2+#7*(#6) }
      }
  }
\zitie_background_new_frame_construct:nn { 米 }
  {
    \zitie_background_frame_type_c:n { 十 } {#1} {#2} {#3} {#4} {#5} {#6}
    \zitie_background_frame_type_c:n { × } {#1} {#2} {#3} {#4} {#5} {#6}
  }
\zitie_background_new_frame_construct:nn { 咪 }
  {
    \zitie_background_frame_type_c:n { 口 } {#1} {#2} {#3} {#4} {#5} {#6}
    \zitie_background_frame_type_c:n { 十 } {#1} {#2} {#3} {#4} {#5} {#6}
    \zitie_background_frame_type_c:n { × } {#1} {#2} {#3} {#4} {#5} {#6}
  }
%%% end of background
\else:
\msg_new:nnn { zitie } { background } 
  { `background'~ unenable.~ You~ must~ use~ `enable-background'~ when~ loading~ this~ package. }
\keys_define:nn { zitie } { background .code:n = \msg_error:nn { zitie } { background } }
\fi:


\if_bool:N \g__zitie_enable_zhlipsum_bool
\RequirePackage { zhlipsum }
%%% module zhlipsum
\cs_new:Npn \__zitie_zhlipsum_paras:nn #1#2 { c__zhlipsum_ #1 @ #2 _tl }
\hook_new_pair:nn { zitie/framezhlipsum/before } { zitie/framezhlipsum/after }
\hook_new:n { zitie/framezhlipsum/paragraph }
\NewDocumentCommand \framezhlipsum { O{} m >{ \TrimSpaces } O{simp} }
  {
    \group_begin:
    \zhlipsum_if_exist:nTF {#3}
      {
        \tl_if_empty:nF {#1} { \keys_set_filter:nnn { zitie } { geometry } {#1} }
        \hook_use:n { zitie/framezhlipsum/before }
        \bool_if:NTF \l__zitie_savefontname_bool
          { \tl_gset_eq:NN \zitiefontname \l__zitie_font_tl }
          { \tl_gset_eq:NN \zitiefontname \c_empty_tl }
        \__zhlipsum_parse_par:nn {#3} {#2}
        \seq_if_empty:NF \l__zhlipsum_par_num_seq
          {
            \seq_pop_right:NN \l__zhlipsum_par_num_seq \l__zhlipsum_tmpa_tl
            \seq_map_inline:Nn \l__zhlipsum_par_num_seq
              {
                \tl_map_inline:cn { \__zitie_zhlipsum_paras:nn {#3} {##1} }
                  { \zitie_single_construct:N ####1 \allowbreak }
                \hook_use:n { zitie/framezhlipsum/paragraph }
              }
            \tl_map_inline:cn { \__zitie_zhlipsum_paras:nn {#3} { \l__zhlipsum_tmpa_tl } }
              { \zitie_single_construct:N ##1 \allowbreak }
          }
        \hook_use:n { zitie/framezhlipsum/after }
      }
      { \__zhlipsum_error:nn { invalid-name } {#3} }
    \group_end:
  }
%%%
\else:
\msg_new:nnn { zitie } { zhlipsum } 
  { `zhlipsum'~ unenable.~ You~ must~ use~ `enable-zhlipsum'~ option~ when~ loading~ this~ package. }
\keys_define:nn { zitie } 
  { zhlipsum .code:n = \msg_error:nn { zitie } { zhlipsum } }
\fi: