gecko-dev/layout/mathml/MathJaxFonts.html
2012-05-21 12:12:37 +01:00

191 lines
5.5 KiB
HTML

<!-- -*- mode: HTML; tab-width: 2; indent-tabs-mode: nil; -*- -->
<!-- vim: set tabstop=2 expandtab shiftwidth=2 textwidth=80: -->
<!-- This Source Code Form is subject to the terms of the Mozilla Public
- License, v. 2.0. If a copy of the MPL was not distributed with this
- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
<!DOCTYPE html>
<html>
<head>
<title>MathJax fonts</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({
jax: ["output/HTML-CSS"],
"HTML-CSS": { availableFonts: ["TeX"] }
});
</script>
<script type="text/javascript"
src="http://cdn.mathjax.org/mathjax/latest/unpacked/MathJax.js">
</script>
<script type="text/javascript">
var fontList = [
"MathJax_Main",
"MathJax_Size1",
"MathJax_Size2",
"MathJax_Size3",
"MathJax_Size4",
"MathJax_AMS",
"MathJax_Main-bold"
];
var noChar = codePoint();
function codePoint(aValue, aFont)
{
var v = 0xFFFD;
if (aValue) {
v = aValue;
}
var f = "";
if (aFont) {
var i = fontList.indexOf(aFont);
if (i > 0) {
f = "@" + i;
}
}
var hexacode = Number(v).toString(16).toUpperCase();
while (hexacode.length < 4) {
hexacode = "0" + hexacode;
}
return "\\u" + hexacode + f;
}
function codePoint2(aList)
{
if (aList) {
if (Array.isArray(aList[0])) {
// Generate a string representation for a composite character.
// (the syntax may not match the parser in nsMathMLChar, but
// support for composite character is broken anyway).
var str = "(";
str += codePoint(aList[0][0], aList[1]);
for (var i = 1; i < aList[0].length; i++) {
str += "," + codePoint(aList[0][i], aList[1]);
}
str += ")";
return str;
} else {
return codePoint(aList[0], aList[1]);
}
} else {
return noChar;
}
}
function isSupported(aStretch)
{
for (var x in aStretch) {
var part = aStretch[x];
if (part[0] instanceof Array) {
// Composite char
return false;
} else if (part.length > 2) {
// Part has scale factor
return false;
}
}
return true;
}
MathJax.Hub.Queue(
["Require", MathJax.Ajax, "[MathJax]/jax/element/mml/jax.js"],
["Require", MathJax.Ajax, "[MathJax]/jax/output/HTML-CSS/jax.js"],
["Require", MathJax.Ajax, "[MathJax]/jax/output/HTML-CSS/fonts/TeX/fontdata-extra.js"],
function () {
var t = document.getElementById("output");
t.value = "";
var fontData = MathJax.OutputJax["HTML-CSS"].FONTDATA;
t.value += "# Content below is generated from MathJaxFonts.html. Do not edit.\n";
t.value += "\n";
// Generate the list of external fonts
for (var i = 1; i < fontList.length; i++) {
t.value += "external." + i + " = " + fontList[i] + "\n";
}
t.value += "\n";
// Generate stretchy table for delimiters
var delimiters = fontData.DELIMITERS;
for (var u in delimiters) {
var v = delimiters[u];
if (v.load) {
// These characters are already handled when we load fontdata-extra.js
continue;
}
if (v.alias) {
if (delimiters.hasOwnProperty(v.alias)) {
// use data from the char pointed by this alias
v = delimiters[v.alias];
} else {
// It is an alias to a non-stretchy char. Ignore it.
continue;
}
}
if (v.stretch && !isSupported(v.stretch)) {
// This construction is not supported. Comment the line.
t.value += "# ";
}
t.value += codePoint(u);
t.value += " = ";
if (v.stretch) {
if (v.dir == "V") {
t.value += codePoint2(v.stretch.top);
t.value += codePoint2(v.stretch.mid);
t.value += codePoint2(v.stretch.bot);
t.value += codePoint2(v.stretch.ext);
} else {
t.value += codePoint2(v.stretch.left);
t.value += codePoint2(v.stretch.mid);
t.value += codePoint2(v.stretch.right);
t.value += codePoint2(v.stretch.rep);
}
} else {
t.value += noChar + noChar + noChar + noChar;
}
for (var i in v.HW) {
t.value += codePoint(u, v.HW[i][1]);
}
t.value += "\n";
}
// Generate table for large operators
var fonts1 = fontData.FONTS[fontList[1]];
var fonts2 = fontData.FONTS[fontList[2]];
for (var u in fonts1) {
if (delimiters.hasOwnProperty(u) || // already listed above
u == "version" || u == "available" ||
u == "directory" || u == "family" || u == "testString") {
// Ignore these properties
continue;
}
t.value += codePoint(u);
t.value += " = ";
t.value += noChar + noChar + noChar + noChar;
t.value += codePoint(u, fontList[1]);
if (fonts2.hasOwnProperty(u)) {
t.value += codePoint(u, fontList[2]);
}
t.value += "\n";
}
});
</script>
</head>
<body>
<textarea id="output" cols="80" rows="20"></textarea>
</body>
</html>