Fonts for native MathML

This sets the default font-family on <math> elements so that we try to use
OpenType MATH fonts that are likely to be installed or fallback to WOFF and
obsolete mathematical fonts.

Bug: 65532
Change-Id: Id4517a3ce5eab4acdf2264712ba132b972120042
This commit is contained in:
Frédéric Wang 2014-06-10 09:57:36 +02:00 committed by Physikerwelt
parent 034d1d4fa7
commit 27aee07cb0
5 changed files with 187 additions and 2 deletions

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% This is a preliminary version (2006-09-30), barring acceptance from
% the LaTeX Project Team and other feedback, of the GUST Font License.
% (GUST is the Polish TeX Users Group, http://www.gust.org.pl)
%
% For the most recent version of this license see
% http://www.gust.org.pl/fonts/licenses/GUST-FONT-LICENSE.txt
% or
% http://tug.org/fonts/licenses/GUST-FONT-LICENSE.txt
%
% This work may be distributed and/or modified under the conditions
% of the LaTeX Project Public License, either version 1.3c of this
% license or (at your option) any later version.
%
% Please also observe the following clause:
% 1) it is requested, but not legally required, that derived works be
% distributed only after changing the names of the fonts comprising this
% work and given in an accompanying "manifest", and that the
% files comprising the Work, as listed in the manifest, also be given
% new names. Any exceptions to this request are also given in the
% manifest.
%
% We recommend the manifest be given in a separate file named
% MANIFEST-<fontid>.txt, where <fontid> is some unique identification
% of the font family. If a separate "readme" file accompanies the Work,
% we recommend a name of the form README-<fontid>.txt.
%
% The latest version of the LaTeX Project Public License is in
% http://www.latex-project.org/lppl.txt and version 1.3c or later
% is part of all distributions of LaTeX version 2006/05/20 or later.

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###########################################################################
############ The TeX Gyre Collection of Fonts ############
###########################################################################
Font: Latin Modern Math
Authors: Bogus\l{}aw Jackowski, Piotr Strzelczyk and Piotr Pianowski
Version: 1.958
Date: 14 I 2013
Copyright 2012--2013 for TeX Gyre math extensions by B. Jackowski,
P. Strzelczyk and P. Pianowski (on behalf of TeX Users Groups).
This work can be freely used and distributed under
the GUST Font License (GFL -- see GUST-FONT-LICENSE.txt)
which is actually an instance of the LaTeX Project Public License
(LPPL -- see http://www.latex-project.org/lppl.txt).
This work has the maintenance status "maintained". The Current Maintainer
of this work is Bogus\l{}aw Jackowski, Piotr Strzelczyk and Piotr Pianowski.
This work consists of the files listed in this file.
Below, in three sections required by the GUST Font License,
font names and file names specific for the Latin Modern Math
font are listed.
NOTE: the names of the directories are not subject to the renaming
restrictions.
1. Fonts whose names should be changed in derived works as requested
by clause 1 of GUST-FONT-LICENSE.txt
1.1 OTF menu names
Latin Modern Math
LatinModernMath-Regular
2. Files whose names should be changed in derived works as requested
by clause 1 of GUST-FONT-LICENSE.txt
2.1 otf/latinmodern-math.otf
2.2 doc/MANIFEST-Latin-Modern-Math.txt
doc/README-Latin-Modern-Math.txt
doc/presentation-lmodern_math.pdf
doc/math-test.tex
doc/math-test-context.tex
doc/test-context-latinmodern_math.pdf
doc/test-context-latinmodern_math.tex
doc/test-lualatex-latinmodern_math.pdf
doc/test-lualatex-latinmodern_math.tex
doc/test-xelatex-latinmodern_math.pdf
doc/test-xelatex-latinmodern_math.tex
doc/test-word-tg_latinmodern_math.docx
doc/test-word-tg_latinmodern_math.pdf
3. Files whose names need not be changed in derived works as requested
by clause 1 of GUST-FONT-LICENSE.txt
doc/GUST-FONT-LICENSE.txt
doc/INSTALL.txt

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###########################################################################
############ Latin Modern Collection of Fonts ############
###########################################################################
Font: Latin Modern Math
Authors: Bogus\l{}aw Jackowski, Piotr Strzelczyk and Piotr Pianowski
Version: 1.958
Date: 14 I 2013
License:
% Copyright 2012--2013 for the Latin Modern math extensions by B. Jackowski,
% P. Strzelczyk and P. Pianowski (on behalf of TeX Users Groups).
%
% This work can be freely used and distributed under
% the GUST Font License (GFL -- see GUST-FONT-LICENSE.txt)
% which is actually an instance of the LaTeX Project Public License
% (LPPL -- see http://www.latex-project.org/lppl.txt).
%
% This work has the maintenance status "maintained". The Current Maintainer
% of this work is Bogus\l{}aw Jackowski, Piotr Strzelczyk and Piotr Pianowski.
%
% This work consists of the files listed
% in the MANIFEST-Latin-Modern-Math.txt file.
###########################################################################
############ A BRIEF DESCRIPTION OF THE FONT ############
###########################################################################
Latin Modern Math is a math companion for the Latin Modern family
of fonts (see http://www.gust.org.pl/projects/e-foundry/latin-modern) in
the OpenType format.
The math OTF fonts should contain a special table, MATH, described in the
confidential Microsoft document "The MATH table and OpenType Features
for Math Processing". Moreover, they should contain a broad collection
of special characters (see "Draft Unicode Technical Report #25.
UNICODE SUPPORT FOR MATHEMATICS" by Barbara Beeton, Asmus Freytag,
and Murray Sargent III). In particular, math OTF fonts are expected
to contain the following scripts: a basic serif script (regular, bold,
italic and bold italic), a calligraphic script (regular and bold),
a double-struck script, a fraktur script (regular and bold), a sans-serif
script (regular, bold, oblique and bold oblique), and a monospaced script.
The basic script is, obviously, Latin Modern. Some scripts, however,
are borrowed from other fonts (the current selection, however, may
be subject to change), belonging, however, to the "TeX circle":
* the calligraphic and fraktur alphabets are excerpted from the renowned
Euler family (http://en.wikipedia.org/wiki/AMS_Euler);
* the double struck script is excerpted from Alan Jeffrey's bbold font
(http://www.tug.org/texlive/Contents/live/texmf-dist/doc/latex/bbold/bbold.pdf)
* the sans serif and monospaced alphabets are excerpted from
the Latin Modern Sans and Latin Modern Mono fonts
(http://www.gust.org.pl/projects/e-foundry/latin-modern);
sans serif bold Greek symbols (required by the already mentioned
"Unicode Technical Report #25") were prepared using D.E. Knuth's
font sources with some manual tuning
The main math component, that is, the math extension, was programmed
from scratch, with an attempt to retain the visual compatiblility
with the original D.E. Knuth's fonts. In particular, all symbols
(with a few exceptions) appearing in the D.E. Knuth's "canonical" fonts
have the same width (rounded) as the corresponding Knuthian ones.
Note that the members of all the mentioned alphabets, except
the main roman alphabet, should be considerd symbols, not letters;
symbols are not expected to occur in a text stream; instead,
they are expected to appear lonely, perhaps with some embellishments
like subscripts, superscripts, primes, dots above and below, etc.
To produce the font, MetaType1 and the FontForge library were used:
the Type1 PostScript font containing all relevant characters was
generated with the MetaType1 engine, and the result was converted
into the OTF format with all the necessary data structures by
a Python script employing the FontForge library.
The TeX Gyre Math Project was launched and is supported by
TeX USERS GROUPS (CS TUG, DANTE eV, GUST, NTG, TUG India, TUG, UK TUG).
Hearty thanks to the representatives of these groups and also
to all people who helped with their work, comments, ideas,
remarks, bug reports, objections, hints, consolations, etc.

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.mwe-math-fallback-source-inline { display: inline; vertical-align: middle}
.mwe-math-fallback-source-display { display: block; margin-left: auto; margin-right: auto;}
@-moz-document url-prefix() {
.mwe-math-mathml-inline { display: inline !important; }
.mwe-math-mathml-display { display: block !important; margin:auto!important;}
}
}
/* Set the fonts to use for the MathML rendering */
@namespace m url('http://www.w3.org/1998/Math/MathML');
m|math {
/* Try OpenType MATH fonts, the WOFF fallback and the old math fonts */
font-family: Cambria Math, Latin Modern Math, STIX Math, LatinModernMathWOFF, MathJax_Main, STIXGeneral, serif;
}
@font-face {
/* WOFF version of Latin Modern Math.
See https://github.com/fred-wang/MathFonts */
font-family: LatinModernMathWOFF;
src: url(./LatinModern/latinmodern-math.woff);
}