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从 XeLaTeX 的 Unicode-math 到 ConTeXt 的 typescript

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从 XeLaTeX 的 Unicode-math 到 ConTeXt 的 typescript

我寻找一种方法来翻译以下 XeLaTeX 的声明（基于包unicode-math）

\setmainfont{Linux Libertine G}
\setsansfont[Scale=MatchLowercase]{Liberation Sans}
\setmonofont[Scale=MatchLowercase,
  ItalicFont=lmmono10-italic.otf,
  BoldFont=lmmonolt10-bold.otf,
  BoldItalicFont=lmmonolt10-boldoblique.otf,
  SmallCapsFont=lmmonocaps10-regular]{lmmono10-regular.otf}
\setmathfont[Scale=MatchLowercase]{TeX Gyre Termes Math}
\setmathfont[Scale=MatchLowercase, range=\mathup]{linlibertine_r_g.ttf}
\setmathfont[Scale=MatchLowercase, range=\mathbfup]{linlibertine_rz_g.ttf}
\setmathfont[Scale=MatchLowercase, range=\mathsfup]{liberationsans-regular.ttf}
\setmathfont[Scale=MatchLowercase, range=\mathsfit]{liberationsans-italic.ttf}
\setmathfont[Scale=MatchLowercase, range=\mathbfsfup]{liberationsans-bold.ttf}
\setmathfont[Scale=MatchLowercase, range=\mathbfsfit]{liberationsans-bolditalic.ttf}
\setmathfont[Scale=MatchLowercase, range=\mathtt]{lmmono10-italic.otf}
\setmathfont[Scale=MatchLowercase, range=\mathscr]{asana-math.otf}

进入 ConTeXt 的打字稿。我成功设置了衬线、无衬线和单色字体；但我需要数学设置的帮助。

\startenvironment liberty
  \starttypescript [liberty]
    \definefontsynonym [Serif] [file:LinLibertine_R_G]
    \definefontsynonym [SerifCaps] [Serif] [features=smallcaps]
    \definefontsynonym [SerifItalic] [file:LinLibertine_RI_G]
    \definefontsynonym [SerifSlanted] [SerifItalic]
    \definefontsynonym [SerifBold] [file:LinLibertine_RZ_G]
    \definefontsynonym [SerifBoldItalic] [file:LinLibertine_RZI_G]
    \definefontsynonym [SerifBoldSlanted] [SerifBoldItalic]

    \definefontsynonym [Sans] [file:LiberationSans-Regular]
    \definefontsynonym [SansCaps] [Sans] [features=smallcaps]
    \definefontsynonym [SansItalic] [file:LiberationSans-Italic]
    \definefontsynonym [SansSlanted] [SansItalic]
    \definefontsynonym [SansBold] [file:LiberationSans-Bold]
    \definefontsynonym [SansBoldItalic] [file:LiberationSans-BoldItalic]
    \definefontsynonym [SansBoldSlanted] [SansBoldItalic]

    \definetypeface [liberty] [rm] [serif] [liberty] [default]
    \definetypeface [liberty] [ss] [sans] [liberty] [default] [rscale=0.816]
    \definetypeface [liberty] [tt] [mono] [modern] [default]
    \definetypeface [liberty] [mm] [math] [times] [default] [rscale=0.958]
  \stoptypescript
  \setupbodyfont[liberty, 10pt]
\stopenvironment

提前致谢。

PS：有人知道 的等价物是什么吗Scale=MatchLowercase？rscale我使用的 s 来自 XeLaTeX 生成的日志文件。

编辑。正如评论中所建议的那样，这是一个基于后备的解决方案的开始，但令人惊讶的是，它不起作用。

\startenvironment liberty
  \starttypescript [serif] [liberty]
    \definefontsynonym [Serif] [file:LinLibertine_R]
    \definefontsynonym [SerifCaps] [Serif] [features=smallcaps]
    \definefontsynonym [SerifItalic] [file:LinLibertine_RI]
    \definefontsynonym [SerifSlanted] [SerifItalic]
    \definefontsynonym [SerifBold] [file:LinLibertine_RZ]
    \definefontsynonym [SerifBoldItalic] [file:LinLibertine_RZI]
    \definefontsynonym [SerifBoldSlanted] [SerifBoldItalic]
  \stoptypescript

  \starttypescript [sans] [liberty]
    \definefontsynonym [Sans] [file:LiberationSans-Regular]
    \definefontsynonym [SansCaps] [Sans] [features=smallcaps]
    \definefontsynonym [SansItalic] [file:LiberationSans-Italic]
    \definefontsynonym [SansSlanted] [SansItalic]
    \definefontsynonym [SansBold] [file:LiberationSans-Bold]
    \definefontsynonym [SansBoldItalic] [file:LiberationSans-BoldItalic]
    \definefontsynonym [SansBoldSlanted] [SansBoldItalic]
  \stoptypescript

  \starttypescript [math] [liberty]
    \definefontfallback [asserif] [Serif] [0x0030-0x0039] % Digits
    \definefontfallback [asserif] [Serif] [0x0041-0x005a] % Latin capital letters
    \definefontfallback [asserif] [Serif] [0x0061-0x007a] % Latin small letters
    \definefontsynonym [MathRoman] [file:texgyretermes-math] [fallbacks=asserif]
  \stoptypescript

  \definetypeface [liberty] [rm] [serif] [liberty] [default]
  \definetypeface [liberty] [ss] [sans] [liberty] [default] [rscale=0.816]
  \definetypeface [liberty] [tt] [mono] [modern] [default]
  \definetypeface [liberty] [mm] [math] [liberty] [default] %[rscale=0.958]
  \setupbodyfont[liberty, 10pt]
\stopenvironment

答案1

对于 Libertine，已经有一个定义的 typescript。要获取与 Libertine 配合良好的 TeXGyre Pagella Math，请先加载 Pagella：

\setupbodyfont[pagella]
\setupbodyfont[libertine,12pt]

\starttext
foo $bar$
\stoptext

字体为：

voss@shania:~> pdffonts zz.pdf
name                              type        encoding   emb sub uni object ID
--------------------------------- ----------- -------------- --- --- ---------
RSSLOW+LinLibertineO              CID Type 0C Identity-H yes yes yes     18  0
TQYEHR+TeXGyrePagellaMath-Regular CID Type 0C Identity-H yes yes yes     19  0

答案2

这是解决方案。请注意，您需要最新版本的 ConTeXt。在下面的示例中，我将使用 Baskervald、Corbel 和 Ubuntu Mono，而不是 Libertine、Liberation 和 Latin Modern Mono。我们的混合数学字体将基于 Pagella Math。

首先，应该知道 Opentype 数学字体中的数学字形代码。例如，它们位于 MS Word 的字符表中。对于 Pagella Math，我们有：

  • 0x30-0x39 = 0-9
  • 0x41-0x5A = 直立罗马 AZ
  • 0x61-0x7A = 直立罗马字母 az
  • 0x1D434-0x1D44D = 斜体罗马 AZ
  • 0x1D44E-0x1D467 = 斜体罗马字母
  • 0x1D400-0x1D419 = 直立粗体罗马 AZ
  • 0x1D41A-0x1D433 = 直立粗体罗马字母 az
  • 0x1D468-0x1D481 = 斜体粗体罗马 AZ
  • 0x1D482-0x1D49B = 斜体粗体罗马字母 az
  • 0x1D5A0-0x1D5B9 = 直立无衬线 AZ
  • 0x1D5BA-0x1D5D3 = 直立无衬线 az
  • 0x1D608-0x1D621 = 斜体无衬线 AZ
  • 0x1D622-0x1D63B = 斜体无衬线 az
  • 0x1D5D4-0x1D5ED = 直立粗体无衬线 AZ
  • 0x1D5EE-0x1D607 = 直立粗体无衬线 az
  • 0x1D63C-0x1D655 = 斜体粗体无衬线 AZ
  • 0x1D656-0x1D66F = 斜体粗体无衬线 az
  • 0x1D670-0x1D689 = 直立单声道 AZ
  • 0x1D68A-0x1D6A3 = 直立单声道 az

现在我们使用 fallback 机制和 offset 选项来进行映射：

\startenvironment liberty
    % 0x30-0x39 = 0-9 within both Pagella Math and Baskervald
    \definefontfallback [baskervaldmath] [file:BaskervaldADFStd] [0x30-0x39] [force=yes]
    % 0x41-0x5A = upright roman A-Z within both Pagella Math and Baskervald
    \definefontfallback [baskervaldmath] [file:BaskervaldADFStd] [0x41-0x5A] [force=yes]
    % 0x61-0x7A = upright roman a-z within both Pagella Math and Baskervald
    \definefontfallback [baskervaldmath] [file:BaskervaldADFStd] [0x61-0x7A] [force=yes]
    % 0x1D434-0x1D44D = italic roman A-Z
    \definefontfallback [baskervaldmath] [file:BaskervaldADFStd-Italic] [0x41-0x5A] [offset=0x1D434-0x1D44D, force=yes]
    % 0x1D44E-0x1D467 = italic roman a-z
    \definefontfallback [baskervaldmath] [file:BaskervaldADFStd-Italic] [0x61-0x7A] [offset=0x1D44E-0x1D467, force=yes]
    % 0x1D400-0x1D419 = upright bold roman A-Z
    \definefontfallback [baskervaldmath] [file:BaskervaldADFStd-Bold] [0x41-0x5A] [offset=0x1D400-0x1D419, force=yes]
    % etc.
    % Type script
    \starttypescript [serif] [liberty]
        \definefontsynonym [Serif] [file:BaskervaldADFStd]
        \definefontsynonym [SerifCaps] [Serif] [features=smallcaps]
        \definefontsynonym [SerifItalic] [file:BaskervaldADFStd-Italic]
        \definefontsynonym [SerifSlanted] [SerifItalic]
        \definefontsynonym [SerifBold] [file:BaskervaldADFStd-Bold]
        \definefontsynonym [SerifBoldItalic] [file:BaskervaldADFStd-BoldItalic]
        \definefontsynonym [SerifBoldSlanted] [SerifBoldItalic]
    \stoptypescript
    \starttypescript [sans] [liberty]
        \definefontsynonym [Sans] [file:corbel]
        \definefontsynonym [SansCaps] [Sans] [features=smallcaps]
        \definefontsynonym [SansItalic] [file:corbeli]
        \definefontsynonym [SansSlanted] [SansItalic]
        \definefontsynonym [SansBold] [file:corbelb]
        \definefontsynonym [SansBoldItalic] [file:corbelz]
        \definefontsynonym [SansBoldSlanted] [SansBoldItalic]
    \stoptypescript
    \starttypescript [mono] [liberty]
        \definefontsynonym [Mono] [file:UbuntuMono-R]
        \definefontsynonym [MonoCaps] [Mono] [features=smallcaps]
        \definefontsynonym [MonoItalic] [file:UbuntuMono-RI]
        \definefontsynonym [MonoSlanted] [MonoItalic]
        \definefontsynonym [MonoBold] [file:UbuntuMono-B]
        \definefontsynonym [MonoBoldItalic] [file:UbuntuMono-BI]
        \definefontsynonym [MonoBoldSlanted] [MonoBoldItalic]
    \stoptypescript
    \starttypescript [math] [liberty]
        \definefontsynonym [MathRoman] [file:texgyrepagella-math] [fallbacks=baskervaldmath]
    \stoptypescript
    \definetypeface [liberty] [rm] [serif] [liberty] [default] [features=default]
    \definetypeface [liberty] [ss] [sans] [liberty] [default] [features=default, rscale=0.95]
    \definetypeface [liberty] [tt] [mono] [liberty] [default] [features=default, rscale=0.88]
    \definetypeface [liberty] [mm] [math] [liberty] [default] [features=default]
    \setupbodyfont [liberty, 12pt]
\stopenvironment

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