diff options
Diffstat (limited to 'macros/luatex/optex/math-unicode.opm')
| -rw-r--r-- | macros/luatex/optex/math-unicode.opm | 156 |
1 files changed, 127 insertions, 29 deletions
diff --git a/macros/luatex/optex/math-unicode.opm b/macros/luatex/optex/math-unicode.opm index fe823b96f4..a2c455f251 100644 --- a/macros/luatex/optex/math-unicode.opm +++ b/macros/luatex/optex/math-unicode.opm @@ -2,6 +2,20 @@ \_codedecl \loadmath {Unicode Math fonts <2020-02-25>} % preloaded in format + \_doc ----------------------------- + \`\loadmath` `{<Unicode-math font>}` loads given font. It does: + \begitems + * define \`\_unimathfont` as `<Unicode-math font>`, + * redefine `\normalmath` and `\boldmath` macros to their Unicode counterparts, + * load the `\_unimathfont` by `\normalmath`, + * print information about loaded font on the terminal, + * redefine all encoding dependent setting by `\input unimath-codes.opm`, + * protect new loading by setting \`\_ifmathloading` to false. + \enditems + \`\noloadmath` disallows Unicode-math loading by \`\_mathloadingfalse`.\nl + \`\doloadmath` allows Unicode-math loading by \`\_mathloadingtrue`. + \_cod ----------------------------- + \_newifi \_ifmathloading \_mathloadingtrue \_def\_noloadmath{\_mathloadingfalse} @@ -17,10 +31,20 @@ \_let\_normalmath = \_normalunimath \_let\_boldmath = \_boldunimath \_normalmath \_wterm {MATH-FONT: "#1" -- unicode math prepared.}% - \_setctable\_optexcatcodes \_input unimath-codes.opm \_restorectable + \_opinput {unimath-codes.opm}% \_mathloadingfalse \_fi\_fi} +\_public \loadmath \noloadmath \doloadmath ; + + \_doc ----------------------------- + \`\loadboldmath` `{<bold-font>} \to {<normal-font>}` + defines \`\_unimathboldfont` as `<bold-font>` only if `\_unimathfont` is + defined as `<normal-font>`. It is used when `\boldmath` macro is run. + When no `\_unimathboldfont` is defined then the `\boldmath` macro + use \"fake bold" generated by `embolden` \LuaTeX/ font feature. + \_cod ----------------------------- + \_def\_loadboldmath#1#2\to #3{% \_def\_tmp{#3}\_ifx\_unimathfont\_tmp % do work only if #3 is loaded as normal Math \_isfont"#1"\_iffalse @@ -30,10 +54,19 @@ \_wterm {MATH-FONT: "#1" -- unicode math bold prepared.}% \_fi\_fi} +\_public \loadboldmath ; + + \_doc ----------------------------- + The Unicode version of the \^`\normalmath` and \^`\boldmath` macros + are defined here as \`\_normalunimath` and \`\_boldunimath` macros. + They are using \`\_setunimathdimens` in similar sense as + \^`\_setmathdimens`. + \_cod ----------------------------- + \_def\_normalunimath{% \_loadumathfamily 1 {\_unimathfont}{} % Base font \_loadmathfamily 4 rsfs % script - \_setmathdimens + \_setunimathdimens }% \_def\_boldunimath{% \_ifx\_unimathboldfont \_undefined @@ -42,9 +75,26 @@ \_loadumathfamily 1 {\_unimathboldfont}{} % Base real bold font \_fi \_loadmathfamily 4 rsfs % script - \_setmathdimens + \_setunimathdimens }% +\_def\_setunimathdimens{% PlainTeX sets these dimens for 10pt size only: + \_delimitershortfall=0.5\_fontdimen6\_textfont3 + \_nulldelimiterspace=0.12\_fontdimen6\_textfont3 + \_scriptspace=0.05\_fontdimen6\_textfont3 +} + \_doc ----------------------------- + \`\_loadumathfamily` `<number> {<font>}{<font features>}` + loads the given Unicode-math fonts in three sizes given by the + \^`\setmathsizes` macro and sets it as the math family `<number>`. + The `<font features>` are added to the default + \`\_mfontfeatures` and to the size dependent features `+ssty=0` + if script size is asked or `+ssty=1` if scriptscriptsize is asked. + If the fath family 1 is loaded then the family 2 and 3 is set by the same + font because \TeX/ needs to read dimension information about generating + math formulae from these three math families. All information needed by + \TeX/ is collected in single Unicode-math font. + \_cod ----------------------------- \_def\_umathname#1#2{"#1:\_mfontfeatures#2"} \_def\_mfontfeatures{mode=base;script=math;} @@ -55,11 +105,40 @@ \_ifnum#1=1 \_textfont2=\_mF \_textfont3=\_mF \_fi \_optsize=\_sizemscript \_font\_mF=\_umathname{#2}{+ssty=0;#3} at\_optsize \_scriptfont#1=\_mF \_ifnum#1=1 \_scriptfont2=\_mF \_scriptfont3=\_mF \_fi - \_optsize=\_sizemsscript \_font\_mF=\_umathname{#2}{+ssty=1;#3} at\_optsize \_scriptscriptfont#1=\_mF + \_optsize=\_sizemsscript \_font\_mF=\_umathname{#2}{+ssty=1;#3} at\_optsize\_scriptscriptfont#1=\_mF \_ifnum#1=1 \_scriptscriptfont2=\_mF \_scriptscriptfont3=\_mF \_fi \_optsize=\_optsizesave \_relax } + \_doc ----------------------------- + Unicode math font includes all typical math alphabets together, user needs not to + load more \TeX/ math families. These math aphabets are encoded by + different parts of Unicode table. We need auxiliary macros for setting + mathcodes by selected math alphabet. + \nl + \`\_umathrange` `{<from->-<to>}\<first>` sets `\Umathcode`s + of the characters in the interval `<from>-<to>` to `\<first>`, + `\<first>+1`, `\<first>+2` + etc., but \`\_umathcharholes` are skipped + (`\_umathcharholes` are parts of the Unicode table not designed for math + alphabets but they causes that the math alphabets are + not continuously spread out in the table; I mean that the + designers were under the influence of drugs when they created + this part of the Unicode table). + The `<from>-<to>` clause includes normal letters like `A-Z`. + \nl + \`\_umahrangegreek` `\<first>` is the same as + `\_umathrange {<alpha>-<omega>}\<first>`. + \nl + \`\_umahrangeGREEK` `\<first>` is the same as + `\_umathrange {<Alpha>-<Omega>}\<first>`. + \nl + \`\_greekdef` `<control sequences> \_relax` defines each control sequence + as a normal character with codes `\_umathnumB`, `\_umathnumB+1`, + `\_umathnumB+2` etc. It is used for redefinig the contol sequences for + math Greek `\alpha`, `\beta`, `\gamma` etc. + \_cod ----------------------------- + \_newcount\_umathnumA \_newcount\_umathnumB \_def\_umathcorr#1#2{\_ea#1\_ea{\_the#2}} @@ -95,19 +174,16 @@ \_expandafter\_greekdef \_fi } -\_public - \loadmath \loadboldmath \noloadmath \doloadmath ; - \_endcode --------------------------------------------- -The `\loadmath` macro loads math fonts and sets math-codes using \input -unimath-codes.opm. If UnicodeMath font is loaded then `\_mathloadingfalse` -is set, so new UnicodeMath font isn't loaded until `\domathload` is used. +The \^`\loadmath` `{<Unicode-math font>}` macro loads math fonts and +redefines all default math-codes using `\input unimath-codes.opm`. +If Unicode-math font is loaded then \^`\_mathloadingfalse` +is set, so new UnicodeMath font isn't loaded until \^`\doloadmath` is used. -`\loadadboldmath{<bold-font>} \to {<normal-font>}` loads bold variant only -if <normal-font> was sucessully loaded. For example: +\^`\loadboldmath` `{<bold-font>} \to {<normal-font>}` loads bold variant only +if `<normal-font>` was sucessully loaded by the `\loadmath`. For example: \begtt \loadmath {[xitsmath-regular]} @@ -115,24 +191,46 @@ if <normal-font> was sucessully loaded. For example: \endtt You can combine more fonts, if you register them to another -math families (5, 6, 7, etc.) in \normalmath macro. +math families (5, 6, 7, etc.) in the `\normalmath` macro. -The default value of \normalmath shows a combination of base Unicode Math -font with 8bit Math font at family 4. See definition of \script macro where -\fam4 is used. Of course, we need to set \rmvariables too, because 8bit font +The default value of `\normalmath` shows a combination of base Unicode Math +font with 8bit Math font at family 4. See definition of `\script` macro where +`\fam4` is used. Of course, we need to set `\rmvariables` too, because 8bit font accepts only codes less than 255. -See http://tex.stackexchange.com/questions/308749/ for more technical details. +See \url{http://tex.stackexchange.com/questions/308749/} for more technical details. + +The \^`\loadmath` macro was succesfully tested on: + +\begtt +\loadmath{[XITSMath-Regular]} ... XITS MATH +\loadmath{[latinmodern-math]} ... Latin Modern Math +\loadmath{[texgyretermes-math]} ... TeXGyre Termes Math +\loadmath{[texgyrebonum-math]} ... TeXGyre Bonum Math +\loadmath{[texgyrepagella-math]} ... TeXGyre Pagella Math +\loadmath{[texgyreschola-math]} ... TeXGyre Schola Math +\loadmath{[texgyredejavu-math]} ... TeXGyre DeJaVu Math +\loadmath{[LibertinusMath-Regular]} ... Libertinus Math +\loadmath{[FiraMath-Regular]} ... Fira Math +\loadmath{[Asana-Math]} ... Asana Math +\endtt + +\secc Unicode-math macros preloaded in the format + +\printdoc math-unicode.opm + +\secc Macros and codes set when \code{\\loadmatfont} is processed + +The file `unimath-codes.opm` is loaded when the \^`\loadmath` is used. The +macros here redefines globally all encoding dependent settings declared in +the section~\ref[math-macros]. + +\printdoc unimath-codes.opm +\printdoctail unimath-codes.opm + + --------------------- +\_endinput -\loadmath{[XITSMath-Regular]} ... XITS MATH^^J -\loadmath{[latinmodern-math]} ... Latin Modern Math^^J -\loadmath{[texgyretermes-math]} ... TeXGyre Termes Math^^J -\loadmath{[texgyrebonum-math]} ... TeXGyre Bonum Math^^J -\loadmath{[texgyrepagella-math]} ... TeXGyre Pagella Math^^J -\loadmath{[texgyreschola-math]} ... TeXGyre Schola Math^^J -\loadmath{[texgyredejavu-math]} ... TeXGyre DeJaVu Math^^J -\loadmath{[LibertinusMath-Regular]} ... Libertinus Math^^J -\loadmath{[FiraMath-Regular]} ... Fira Math^^J -\loadmath{[Asana-Math]} ... Asana Math^^J +2020-04-15 \_setmathdimens -> \_setuniathdimens +2020-02-25 implemented |