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autobold.js (1795B)

      1 /* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
      2 /* vim: set ts=2 et sw=2 tw=80: */
      3 
      4 /*************************************************************
      5  *
      6  *  MathJax/extensions/TeX/autobold.js
      7  *  
      8  *  Adds \boldsymbol around mathematics that appears in a section
      9  *  of an HTML page that is in bold.
     10  *  
     11  *  ---------------------------------------------------------------------
     12  * 
     13  *  Copyright (c) 2009-2015 The MathJax Consortium
     14  * 
     15  *  Licensed under the Apache License, Version 2.0 (the "License");
     16  *  you may not use this file except in compliance with the License.
     17  *  You may obtain a copy of the License at
     18  * 
     19  *      http://www.apache.org/licenses/LICENSE-2.0
     20  * 
     21  *  Unless required by applicable law or agreed to in writing, software
     22  *  distributed under the License is distributed on an "AS IS" BASIS,
     23  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     24  *  See the License for the specific language governing permissions and
     25  *  limitations under the License.
     26  */
     27 
     28 MathJax.Extension["TeX/autobold"] = {
     29   version: "2.6.0"
     30 };
     31 
     32 MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
     33   var TEX = MathJax.InputJax.TeX;
     34   
     35   TEX.prefilterHooks.Add(function (data) {
     36     var span = data.script.parentNode.insertBefore(document.createElement("span"),data.script);
     37     span.visibility = "hidden";
     38     span.style.fontFamily = "Times, serif";
     39     span.appendChild(document.createTextNode("ABCXYZabcxyz"));
     40     var W = span.offsetWidth;
     41     span.style.fontWeight = "bold";
     42     if (W && span.offsetWidth === W) {data.math = "\\boldsymbol{"+data.math+"}"}
     43     span.parentNode.removeChild(span);
     44   });
     45   
     46   MathJax.Hub.Startup.signal.Post("TeX autobold Ready");
     47 
     48 });
     49 
     50 MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/autobold.js");