1297 lines
49 KiB
JavaScript
1297 lines
49 KiB
JavaScript
/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/*************************************************************
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*
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* MathJax/jax/output/HTML2/jax.js
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*
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* Implements the HTML2 OutputJax that displays mathematics
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* using HTML to position the characters from math fonts
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* in their proper locations.
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*
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* ---------------------------------------------------------------------
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*
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* Copyright (c) 2013-2015 The MathJax Consortium
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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(function (AJAX,HUB,HTML,CHTML) {
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var MML;
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var EVENT, TOUCH, HOVER; // filled in later
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var SCRIPTFACTOR = Math.sqrt(1/2),
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AXISHEIGHT = .25,
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HFUZZ = .05, DFUZZ = 0; // adjustments to bounding box of character boxes
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var STYLES = {
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".MJXc-display": {
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"display": "block",
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"text-align": "center",
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"margin": "1em 0"
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},
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"mjx-math": {
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"display": "inline-block",
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"line-height": 0,
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"text-indent": 0,
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"white-space": "nowrap",
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"border-collapse":"collapse"
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},
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"mjx-math *": {display:"inline-block"},
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"mjx-mfrac": {"vertical-align":".25em"},
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"mjx-fbox": {width:"100%"},
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"mjx-mphantom": {"visibility":"hidden"},
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"mjx-merror": {
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"background-color":"#FFFF88",
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color: "#CC0000",
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border: "1px solid #CC0000",
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padding: "1px 3px",
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"font-style": "normal",
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"font-size": "90%"
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},
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"mjx-box": {display:"inline-block"},
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"mjx-block": {display:"block"},
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"mjx-char": {display:"block", "xline-height":"normal"},
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"mjx-itable": {display:"inline-table"},
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"mjx-row": {display:"table-row"},
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"mjx-cell": {display:"table-cell", "text-align":"center"},
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"mjx-table": {display:"table", width:"100%"},
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"mjx-line": {display:"block", width:"100%", "border-top":"0 solid"},
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".MJXc-script": {"font-size":SCRIPTFACTOR+"em"},
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/*********************************/
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".MJXc-surd": {"vertical-align":"top"},
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".MJXc-surd > span": {"display":"block!important"},
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".MJXc-script-box > span ": {"display":"table!important", "height":"50%"},
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".MJXc-script-box > span > span": {"display":"table-cell!important", "vertical-align":"top"},
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".MJXc-script-box > span:last-child > span": {"vertical-align":"bottom"},
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".MJXc-script-box > span > span > span": {"display":"block!important"},
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".MJXc-munderover": {"display":"inline-table!important"},
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".MJXc-over": {"display":"inline-block!important", "text-align":"center"},
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".MJXc-over > span": {"display":"block!important"},
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".MJXc-munderover > span": {"display":"table-row!important"},
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".MJXc-mtable": {"vertical-align":AXISHEIGHT+"em", "margin":"0 .125em"},
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".MJXc-mtable > span": {"display":"inline-table!important", "vertical-align":"middle"},
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".MJXc-mtr": {"display":"table-row!important"},
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".MJXc-mtd": {"display":"table-cell!important", "text-align":"center", "padding":".5em 0 0 .5em"},
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".MJXc-mtr > .MJXc-mtd:first-child": {"padding-left":0},
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".MJXc-mtr:first-child > .MJXc-mtd": {"padding-top":0},
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".MJXc-mlabeledtr": {"display":"table-row!important"},
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".MJXc-mlabeledtr > .MJXc-mtd:first-child": {"padding-left":0},
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".MJXc-mlabeledtr:first-child > .MJXc-mtd": {"padding-top":0},
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".MJXc-merror": {
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"background-color":"#FFFF88",
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color: "#CC0000",
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border: "1px solid #CC0000",
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padding: "1px 3px",
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"font-style": "normal",
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"font-size": "90%"
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}
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};
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(function () {
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for (var i = 0; i < 10; i++) {
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var scale = "scaleX(."+i+")";
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STYLES[".MJXc-scale"+i] = {
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"-webkit-transform":scale,
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"-moz-transform":scale,
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"-ms-transform":scale,
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"-o-transform":scale,
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"transform":scale
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}
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}
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})();
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var BIGDIMEN = 1000000;
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var V = "V", H = "H";
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CHTML.Augment({
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settings: HUB.config.menuSettings,
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config: {styles: STYLES},
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Config: function () {
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if (!this.require) {this.require = []}
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this.SUPER(arguments).Config.call(this); var settings = this.settings;
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if (settings.scale) {this.config.scale = settings.scale}
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this.require.push(this.fontDir+"/TeX/fontdata.js");
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this.require.push(MathJax.OutputJax.extensionDir+"/MathEvents.js");
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},
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Startup: function () {
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//
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// Set up event handling
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//
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EVENT = MathJax.Extension.MathEvents.Event;
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TOUCH = MathJax.Extension.MathEvents.Touch;
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HOVER = MathJax.Extension.MathEvents.Hover;
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this.ContextMenu = EVENT.ContextMenu;
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this.Mousedown = EVENT.AltContextMenu;
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this.Mouseover = HOVER.Mouseover;
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this.Mouseout = HOVER.Mouseout;
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this.Mousemove = HOVER.Mousemove;
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//
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// Determine pixels per inch
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//
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var div = HTML.addElement(document.body,"div",{style:{width:"5in"}});
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this.pxPerInch = div.offsetWidth/5; div.parentNode.removeChild(div);
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//
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// Set up styles and preload web fonts
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//
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return AJAX.Styles(this.config.styles,["InitializeCHTML",this]);
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},
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InitializeCHTML: function () {
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},
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preTranslate: function (state) {
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var scripts = state.jax[this.id], i, m = scripts.length,
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script, prev, span, div, jax;
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//
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// Loop through the scripts
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//
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for (i = 0; i < m; i++) {
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script = scripts[i]; if (!script.parentNode) continue;
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//
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// Remove any existing output
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//
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prev = script.previousSibling;
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if (prev && String(prev.className).match(/^MathJax_CHTML(_Display)?( MathJax_Processing)?$/))
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{prev.parentNode.removeChild(prev)}
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//
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// Add the span, and a div if in display mode,
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// then set the role and mark it as being processed
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//
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jax = script.MathJax.elementJax; if (!jax) continue;
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jax.CHTML = {display: (jax.root.Get("display") === "block")}
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span = div = HTML.Element("span",{
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className:"MathJax_CHTML", id:jax.inputID+"-Frame", isMathJax:true, jaxID:this.id,
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oncontextmenu:EVENT.Menu, onmousedown: EVENT.Mousedown,
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onmouseover:EVENT.Mouseover, onmouseout:EVENT.Mouseout, onmousemove:EVENT.Mousemove,
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onclick:EVENT.Click, ondblclick:EVENT.DblClick
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});
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if (HUB.Browser.noContextMenu) {
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span.ontouchstart = TOUCH.start;
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span.ontouchend = TOUCH.end;
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}
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if (jax.CHTML.display) {
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div = HTML.Element("div",{className:"MathJax_CHTML_Display"});
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div.appendChild(span);
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}
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//
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div.className += " MathJax_Processing";
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script.parentNode.insertBefore(div,script);
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}
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/*
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* state.CHTMLeqn = state.CHTMLlast = 0; state.CHTMLi = -1;
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* state.CHTMLchunk = this.config.EqnChunk;
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* state.CHTMLdelay = false;
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*/
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},
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Translate: function (script,state) {
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if (!script.parentNode) return;
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/*
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* //
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* // If we are supposed to do a chunk delay, do it
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* //
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* if (state.CHTMLdelay) {
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* state.CHTMLdelay = false;
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* HUB.RestartAfter(MathJax.Callback.Delay(this.config.EqnChunkDelay));
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* }
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*/
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//
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// Get the data about the math
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//
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var jax = script.MathJax.elementJax, math = jax.root,
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span = document.getElementById(jax.inputID+"-Frame"),
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div = (jax.CHTML.display ? span.parentNode : span);
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//
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// Typeset the math
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//
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this.initCHTML(math,span);
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math.setTeXclass();
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try {math.toCommonHTML(span)} catch (err) {
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if (err.restart) {while (span.firstChild) {span.removeChild(span.firstChild)}}
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throw err;
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}
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//
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// Put it in place, and remove the processing marker
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//
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div.className = div.className.split(/ /)[0];
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//
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// Check if we are hiding the math until more is processed
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//
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if (this.hideProcessedMath) {
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//
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// Hide the math and don't let its preview be removed
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//
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div.className += " MathJax_Processed";
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if (script.MathJax.preview) {
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jax.CHTML.preview = script.MathJax.preview;
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delete script.MathJax.preview;
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}
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/*
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* //
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* // Check if we should show this chunk of equations
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* //
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* state.CHTMLeqn += (state.i - state.CHTMLi); state.CHTMLi = state.i;
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* if (state.CHTMLeqn >= state.CHTMLlast + state.CHTMLchunk) {
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* this.postTranslate(state);
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* state.CHTMLchunk = Math.floor(state.CHTMLchunk*this.config.EqnChunkFactor);
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* state.CHTMLdelay = true; // delay if there are more scripts
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* }
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*/
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}
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},
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postTranslate: function (state) {
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var scripts = state.jax[this.id];
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if (!this.hideProcessedMath) return;
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for (var i = 0, m = scripts.length; i < m; i++) {
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var script = scripts[i];
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if (script && script.MathJax.elementJax) {
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//
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// Remove the processed marker
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//
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script.previousSibling.className = script.previousSibling.className.split(/ /)[0];
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var data = script.MathJax.elementJax.CHTML;
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//
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// Remove the preview, if any
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//
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if (data.preview) {
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data.preview.innerHTML = "";
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script.MathJax.preview = data.preview;
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delete data.preview;
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}
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}
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}
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/*
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* //
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* // Reveal this chunk of math
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* //
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* for (var i = state.CHTMLlast, m = state.CHTMLeqn; i < m; i++) {
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* var script = scripts[i];
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* if (script && script.MathJax.elementJax) {
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* //
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* // Remove the processed marker
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* //
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* script.previousSibling.className = script.previousSibling.className.split(/ /)[0];
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* var data = script.MathJax.elementJax.CHTML;
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* //
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* // Remove the preview, if any
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* //
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* if (data.preview) {
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* data.preview.innerHTML = "";
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* script.MathJax.preview = data.preview;
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* delete data.preview;
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* }
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* }
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* }
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* //
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* // Save our place so we know what is revealed
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* //
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* state.CHTMLlast = state.CHTMLeqn;
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*/
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},
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getJaxFromMath: function (math) {
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if (math.parentNode.className === "MathJax_CHTML_Display") {math = math.parentNode}
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do {math = math.nextSibling} while (math && math.nodeName.toLowerCase() !== "script");
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return HUB.getJaxFor(math);
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},
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getHoverSpan: function (jax,math) {return jax.root.CHTMLnodeElement()},
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getHoverBBox: function (jax,span,math) {
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// var bbox = span.CHTML, em = jax.CHTML.outerEm;
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// var BBOX = {w:bbox.w*em, h:bbox.h*em, d:bbox.d*em};
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// if (bbox.width) {BBOX.width = bbox.width}
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return BBOX;
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},
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Zoom: function (jax,span,math,Mw,Mh) {
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//
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// Re-render at larger size
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//
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span.className = "MathJax";
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this.idPostfix = "-zoom"; jax.root.toCommonHTML(span,span); this.idPostfix = "";
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//
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// Get height and width of zoomed math and original math
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//
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span.style.position = "absolute";
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var zW = span.offsetWidth, zH = span.offsetHeight,
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mH = math.offsetHeight, mW = math.offsetWidth;
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if (mW === 0) {mW = math.parentNode.offsetWidth}; // IE7 gets mW == 0?
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span.style.position = math.style.position = "";
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//
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return {Y:-EVENT.getBBox(span).h, mW:mW, mH:mH, zW:zW, zH:zH};
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},
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initCHTML: function (math,span) {},
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Remove: function (jax) {
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var span = document.getElementById(jax.inputID+"-Frame");
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if (span) {
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if (jax.CHTML.display) {span = span.parentNode}
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span.parentNode.removeChild(span);
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}
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delete jax.CHTML;
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},
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ID: 0, idPostfix: "",
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GetID: function () {this.ID++; return this.ID},
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MATHSPACE: {
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veryverythinmathspace: 1/18,
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verythinmathspace: 2/18,
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thinmathspace: 3/18,
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mediummathspace: 4/18,
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thickmathspace: 5/18,
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verythickmathspace: 6/18,
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veryverythickmathspace: 7/18,
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negativeveryverythinmathspace: -1/18,
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negativeverythinmathspace: -2/18,
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negativethinmathspace: -3/18,
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negativemediummathspace: -4/18,
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negativethickmathspace: -5/18,
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negativeverythickmathspace: -6/18,
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negativeveryverythickmathspace: -7/18,
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thin: .08,
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medium: .1,
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thick: .15,
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infinity: BIGDIMEN
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},
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TeX: {
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x_height: .442,
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axis: AXISHEIGHT
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},
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pxPerInch: 96,
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em: 16,
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FONTDEF: {},
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getUnicode: function (string) {
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var n = string.text.charCodeAt(string.i); string.i++;
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if (n >= 0xD800 && n < 0xDBFF) {
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n = (((n-0xD800)<<10)+(string.text.charCodeAt(string.i)-0xDC00))+0x10000;
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string.i++;
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}
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return n;
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},
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getCharList: function (variant,n) {
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var id, M, list = [], cache = variant.cache, N = n;
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if (cache[n]) return cache[n];
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var RANGES = this.FONTDATA.RANGES, VARIANT = this.FONTDATA.VARIANT;
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if (n >= RANGES[0].low && n <= RANGES[RANGES.length-1].high) {
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for (id = 0, M = RANGES.length; id < M; id++) {
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if (RANGES[id].name === "alpha" && variant.noLowerCase) continue;
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var N = variant["offset"+RANGES[id].offset];
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if (N && n >= RANGES[id].low && n <= RANGES[id].high) {
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if (RANGES[id].remap && RANGES[id].remap[n]) {
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n = N + RANGES[id].remap[n];
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} else {
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n = n - RANGES[id].low + N;
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if (RANGES[id].add) {n += RANGES[id].add}
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}
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if (variant["variant"+RANGES[id].offset])
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variant = VARIANT[variant["variant"+RANGES[id].offset]];
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break;
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}
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}
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}
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if (variant.remap && variant.remap[n]) {
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n = variant.remap[n];
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if (variant.remap.variant) {variant = VARIANT[variant.remap.variant]}
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} else if (this.FONTDATA.REMAP[n] && !variant.noRemap) {
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n = this.FONTDATA.REMAP[n];
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}
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if (n instanceof Array) {variant = VARIANT[n[1]]; n = n[0]}
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if (typeof(n) === "string") {
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var string = {text:n, i:0, length:n.length};
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while (string.i < string.length) {
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n = this.getUnicode(string);
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var chars = this.getCharList(variant,n);
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if (chars) list.push.apply(list,chars);
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}
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} else {
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if (variant.cache[n]) {list = variant.cache[n]}
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else {variant.cache[n] = list = [this.lookupChar(variant,n)]}
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}
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cache[N] = list;
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return list;
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},
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lookupChar: function (variant,n) {
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while (variant) {
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for (var i = 0, m = variant.fonts.length; i < m; i++) {
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var font = this.FONTDATA.FONTS[variant.fonts[i]];
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// if (typeof(font) === "string") this.loadFont(font);
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var C = font[n];
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if (C) {
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// ### FIXME: implement aliases, spaces, etc.
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if (C.length === 5) C[5] = {};
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if (C.c == null) {
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C[0] /= 1000; C[1] /= 1000; C[2] /= 1000; C[3] /= 1000; C[4] /= 1000;
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if (n <= 0xFFFF) {
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C.c = String.fromCharCode(n);
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} else {
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var N = n - 0x10000;
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C.c = String.fromCharCode((N>>10)+0xD800)
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+ String.fromCharCode((N&0x3FF)+0xDC00);
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}
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}
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return {type:"char", font:font, n:n};
|
|
} // else load block files?
|
|
}
|
|
variant = this.FONTDATA.VARIANT[variant.chain];
|
|
}
|
|
return this.unknownChar(variant,n);
|
|
},
|
|
unknownChar: function (variant,n) {},
|
|
|
|
addCharList: function (node,list,bbox) {
|
|
var text = "", className;
|
|
for (var i = 0, m = list.length; i < m; i++) {
|
|
var item = list[i];
|
|
switch (item.type) {
|
|
case "char":
|
|
var font = item.font;
|
|
if (className && font.className !== className) {
|
|
HTML.addElement(node,"span",{className:className},[text]);
|
|
text = ""; className = null;
|
|
}
|
|
var C = font[item.n];
|
|
text += C.c; className = font.className;
|
|
if (bbox.h < C[0]) bbox.h = C[0];
|
|
if (bbox.d < C[1]) bbox.d = C[1];
|
|
if (bbox.l > bbox.w+C[3]) bbox.l = bbox.w+C[3];
|
|
if (bbox.r < bbox.w+C[4]) bbox.r = bbox.w+C[4];
|
|
bbox.w += C[2];
|
|
if (bbox.H < font.ascent) bbox.H = font.ascent;
|
|
if (bbox.D < font.descent) bbox.D = font.descent;
|
|
}
|
|
}
|
|
if (node.childNodes.length) {
|
|
HTML.addElement(node,"span",{className:className},[text]);
|
|
} else {
|
|
HTML.addText(node,text);
|
|
node.className += " "+className;
|
|
}
|
|
},
|
|
|
|
|
|
// ### FIXME: add more here
|
|
|
|
DELIMITERS: {
|
|
"(": {dir:V},
|
|
"{": {dir:V, w:.58},
|
|
"[": {dir:V},
|
|
"|": {dir:V, w:.275},
|
|
")": {dir:V},
|
|
"}": {dir:V, w:.58},
|
|
"]": {dir:V},
|
|
"/": {dir:V},
|
|
"\\": {dir:V},
|
|
"\u2223": {dir:V, w:.275},
|
|
"\u2225": {dir:V, w:.55},
|
|
"\u230A": {dir:V, w:.5},
|
|
"\u230B": {dir:V, w:.5},
|
|
"\u2308": {dir:V, w:.5},
|
|
"\u2309": {dir:V, w:.5},
|
|
"\u27E8": {dir:V, w:.5},
|
|
"\u27E9": {dir:V, w:.5},
|
|
"\u2191": {dir:V, w:.65},
|
|
"\u2193": {dir:V, w:.65},
|
|
"\u21D1": {dir:V, w:.75},
|
|
"\u21D3": {dir:V, w:.75},
|
|
"\u2195": {dir:V, w:.65},
|
|
"\u21D5": {dir:V, w:.75},
|
|
"\u27EE": {dir:V, w:.275},
|
|
"\u27EF": {dir:V, w:.275},
|
|
"\u23B0": {dir:V, w:.6},
|
|
"\u23B1": {dir:V, w:.6}
|
|
},
|
|
|
|
//
|
|
// ### FIXME: Handle mu's
|
|
//
|
|
length2em: function (length,size) {
|
|
if (typeof(length) !== "string") {length = length.toString()}
|
|
if (length === "") {return ""}
|
|
if (length === MML.SIZE.NORMAL) {return 1}
|
|
if (length === MML.SIZE.BIG) {return 2}
|
|
if (length === MML.SIZE.SMALL) {return .71}
|
|
if (this.MATHSPACE[length]) {return this.MATHSPACE[length]}
|
|
var match = length.match(/^\s*([-+]?(?:\.\d+|\d+(?:\.\d*)?))?(pt|em|ex|mu|px|pc|in|mm|cm|%)?/);
|
|
var m = parseFloat(match[1]||"1"), unit = match[2];
|
|
if (size == null) {size = 1}
|
|
if (unit === "em") {return m}
|
|
if (unit === "ex") {return m * this.TeX.x_height}
|
|
if (unit === "%") {return m / 100 * size}
|
|
if (unit === "px") {return m / this.em}
|
|
if (unit === "pt") {return m / 10} // 10 pt to an em
|
|
if (unit === "pc") {return m * 1.2} // 12 pt to a pc
|
|
if (unit === "in") {return m * this.pxPerInch / this.em}
|
|
if (unit === "cm") {return m * this.pxPerInch / this.em / 2.54} // 2.54 cm to an inch
|
|
if (unit === "mm") {return m * this.pxPerInch / this.em / 25.4} // 10 mm to a cm
|
|
if (unit === "mu") {return m / 18} // 18mu to an em for the scriptlevel
|
|
return m*size; // relative to given size (or 1em as default)
|
|
},
|
|
|
|
Em: function (m) {
|
|
if (Math.abs(m) < .001) return "0em";
|
|
return (m.toFixed(3).replace(/\.?0+$/,""))+"em";
|
|
},
|
|
|
|
scaleBBox: function (bbox,level,dlevel) {
|
|
var scale = Math.pow(SCRIPTFACTOR,Math.min(2,level)-(dlevel||0));
|
|
bbox.w *= scale; bbox.h *= scale; bbox.d *= scale;
|
|
bbox.l *= scale; bbox.r *= scale;
|
|
if (bbox.L) bbox.L *= scale;
|
|
if (bbox.R) bbox.R *= scale;
|
|
},
|
|
|
|
arrayEntry: function (a,i) {return a[Math.max(0,Math.min(i,a.length-1))]}
|
|
|
|
});
|
|
|
|
MathJax.Hub.Register.StartupHook("mml Jax Ready",function () {
|
|
MML = MathJax.ElementJax.mml;
|
|
|
|
MML.mbase.Augment({
|
|
toCommonHTML: function (node,options) {
|
|
return this.CHTMLdefaultNode(node,options);
|
|
},
|
|
|
|
CHTMLdefaultNode: function (node,options) {
|
|
if (!options) options = {};
|
|
node = this.CHTMLcreateNode(node);
|
|
this.CHTMLhandleSpace(node);
|
|
this.CHTMLhandleStyle(node);
|
|
this.CHTMLhandleColor(node);
|
|
for (var i = 0, m = this.data.length; i < m; i++) this.CHTMLaddChild(node,i,options);
|
|
return node;
|
|
},
|
|
CHTMLaddChild: function (node,i,options) {
|
|
var child = this.data[i];
|
|
if (child) {
|
|
if (options.childNodes)
|
|
node = HTML.addElement(node,options.childNodes);
|
|
child.toCommonHTML(node,options.childOptions);
|
|
if (!options.noBBox) {
|
|
var bbox = this.CHTML, cbox = child.CHTML;
|
|
if (cbox.r + bbox.w > bbox.r) bbox.r = bbox.w + cbox.r;
|
|
if (cbox.l + bbox.w < bbox.l) bbox.l = bbox.w + cbox.l;
|
|
bbox.w += cbox.w + (cbox.L||0) + (cbox.R||0);
|
|
if (cbox.h > bbox.h) bbox.h = cbox.h;
|
|
if (cbox.d > bbox.d) bbox.d = cbox.d;
|
|
if (cbox.ic) {bbox.ic = cbox.ic} else {delete bbox.ic}
|
|
}
|
|
} else if (options.forceChild) {HTML.addElement(node,"span")}
|
|
},
|
|
CHTMLstretchChild: function (i,H,D) {
|
|
var data = this.data[i];
|
|
if (data && data.CHTMLcanStretch("Vertical",H,D)) {
|
|
var bbox = this.CHTML, dbox = data.CHTML, w = dbox.w;
|
|
data.CHTMLstretchV(H,D);
|
|
bbox.w += dbox.w - w;
|
|
if (dbox.h > bbox.h) bbox.h = dbox.h;
|
|
if (dbox.d > bbox.d) bbox.d = dbox.d;
|
|
}
|
|
},
|
|
|
|
CHTMLcreateNode: function (node) {
|
|
if (!this.CHTML) this.CHTML = {};
|
|
this.CHTML = {w:0, h:0, d:0, l:0, r:0, t:0, b:0};
|
|
if (this.inferred) return node;
|
|
if (!this.CHTMLnodeID) {this.CHTMLnodeID = CHTML.GetID()};
|
|
var id = (this.id || "MJXc-Node-"+this.CHTMLnodeID);
|
|
return HTML.addElement(node,"mjx-"+this.type,{className:"MJXc-"+this.type, id:id});
|
|
},
|
|
CHTMLnodeElement: function () {
|
|
if (!this.CHTMLnodeID) {return null}
|
|
return document.getElementById(this.id||"MJXc-Node-"+this.CHTMLnodeID);
|
|
},
|
|
|
|
CHTMLhandleStyle: function (node) {
|
|
if (this.style) node.style.cssText = this.style;
|
|
},
|
|
|
|
CHTMLhandleColor: function (node) {
|
|
if (this.mathcolor) {node.style.color = this.mathcolor}
|
|
else if (this.color) {node.style.color = this.color}
|
|
if (this.mathbackground) {node.style.backgroundColor = this.mathbackground}
|
|
else if (this.background) {node.style.backgroundColor = this.background}
|
|
},
|
|
|
|
CHTMLhandleSpace: function (node) {
|
|
if (!this.useMMLspacing) {
|
|
var space = this.texSpacing();
|
|
if (space !== "") node.style.marginLeft = CHTML.Em(CHTML.length2em(space));
|
|
}
|
|
},
|
|
|
|
CHTMLhandleScriptlevel: function (node,dlevel) {
|
|
var level = this.Get("scriptlevel");
|
|
if (level === 0) return;
|
|
// ### FIXME: handle scriptminsize
|
|
if (level > 2) level = 2;
|
|
if (level > 0 && dlevel == null) {
|
|
node.className += " MJXc-script";
|
|
} else {
|
|
if (dlevel) level -= dlevel;
|
|
var scale = Math.floor(Math.pow(SCRIPTFACTOR,level)*100);
|
|
node.style.fontSize = scale+"%";
|
|
}
|
|
},
|
|
|
|
CHTMLhandleText: function (node,text,variant) {
|
|
if (node.childNodes.length === 0) {
|
|
HTML.addElement(node,"mjx-char");
|
|
this.CHTML = {h:-BIGDIMEN, d:-BIGDIMEN, w:0, l:BIGDIMEN, r:-BIGDIMEN,
|
|
D:-BIGDIMEN, H:-BIGDIMEN};
|
|
}
|
|
var bbox = this.CHTML, string = {text:text, i:0, length:text.length};
|
|
if (typeof(variant) === "string") variant = CHTML.FONTDATA.VARIANT[variant];
|
|
if (!variant) {variant = CHTML.FONTDATA.VARIANT[MML.VARIANT.NORMAL]}
|
|
var list = [];
|
|
while (string.i < string.length) {
|
|
var n = CHTML.getUnicode(string);
|
|
list.push.apply(list,CHTML.getCharList(variant,n));
|
|
}
|
|
CHTML.addCharList(node.firstChild,list,bbox);
|
|
if (bbox.h === -BIGDIMEN) bbox.h = 0;
|
|
if (bbox.d === -BIGDIMEN) bbox.d = 0;
|
|
if (bbox.l === BIGDIMEN) bbox.l = 0;
|
|
if (bbox.r === -BIGDIMEN) bbox.r = 0;
|
|
if (bbox.H === -BIGDIMEN) bbox.H = .8;
|
|
if (bbox.D === -BIGDIMEN) bbox.D = .2;
|
|
bbox.h += HFUZZ; bbox.d += DFUZZ;
|
|
var a = (bbox.H-bbox.D)/2; // center of font (line-height:0)
|
|
node.firstChild.style.marginTop = CHTML.Em(bbox.h-a);
|
|
node.firstChild.style.marginBottom = CHTML.Em(bbox.d+a);
|
|
},
|
|
|
|
CHTMLbboxFor: function (n) {
|
|
if (this.data[n] && this.data[n].CHTML) return this.data[n].CHTML;
|
|
return {w:0, h:0, d:0, l:0, r:0};
|
|
},
|
|
//
|
|
// Debugging function to see if internal BBox matches actual bbox
|
|
//
|
|
CHTMLdrawBBox: function (node) {
|
|
var bbox = this.CHTML;
|
|
HTML.addElement(node.parentNode,"mjx-box",{style:{opacity:.5,"margin-left":CHTML.Em(-bbox.w)}},[
|
|
["mjx-box",{style:{height:CHTML.Em(bbox.h),width:CHTML.Em(bbox.w),"background-color":"red"}}],
|
|
["mjx-box",{style:{height:CHTML.Em(bbox.d),width:CHTML.Em(bbox.w),"margin-left":CHTML.Em(-bbox.w),"vertical-align":CHTML.Em(-bbox.d),"background-color":"green"}}]
|
|
]);
|
|
},
|
|
|
|
|
|
CHTMLcanStretch: function (direction,H,D) {
|
|
if (this.isEmbellished()) {
|
|
var core = this.Core();
|
|
if (core && core !== this) {return core.CHTMLcanStretch(direction,H,D)}
|
|
}
|
|
return false;
|
|
},
|
|
CHTMLstretchV: function (h,d) {},
|
|
CHTMLstretchH: function (w) {}
|
|
|
|
});
|
|
|
|
MML.chars.Augment({
|
|
toCommonHTML: function (node,options) {
|
|
if (options == null) options = {};
|
|
var text = this.toString();
|
|
if (options.remap) text = options.remap(text,options.remapchars);
|
|
// ### FIXME: handle mtextFontInherit
|
|
this.CHTMLhandleText(node,text,options.variant||this.parent.Get("mathvariant"));
|
|
}
|
|
});
|
|
MML.entity.Augment({
|
|
toCommonHTML: function (node,options) {
|
|
if (options == null) options = {};
|
|
var text = this.toString();
|
|
if (options.remapchars) text = options.remap(text,options.remapchars);
|
|
// ### FIXME: handle mtextFontInherit
|
|
this.CHTMLhandleText(node,text,options.variant||this.parent.Get("mathvariant"));
|
|
}
|
|
});
|
|
|
|
MML.math.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLdefaultNode(node);
|
|
if (this.Get("display") === "block") {node.className += " MJXc-display"}
|
|
return node;
|
|
}
|
|
});
|
|
|
|
MML.mi.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLdefaultNode(node);
|
|
var bbox = this.CHTML, text = this.data.join("");
|
|
if (bbox.skew != null && text.length !== 1) delete bbox.skew;
|
|
if (bbox.r > bbox.w && text.length === 1 /*&& !variant.noIC*/) { // ### FIXME: handle variants
|
|
bbox.ic = bbox.r - bbox.w; bbox.w = bbox.r;
|
|
node.style.paddingRight = CHTML.Em(bbox.ic);
|
|
}
|
|
}
|
|
});
|
|
|
|
MML.mo.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLcreateNode(node);
|
|
|
|
var values = this.getValues("displaystyle","largeop","mathvariant");
|
|
values.text = this.data.join("");
|
|
this.CHTMLadjustAccent(values);
|
|
this.CHTMLadjustVariant(values);
|
|
|
|
for (var i = 0, m = this.data.length; i < m; i++) {
|
|
this.CHTMLaddChild(node,i,{childOptions:{
|
|
variant: values.mathvariant,
|
|
remap: this.remap,
|
|
remapchars: values.mapchars
|
|
}});
|
|
}
|
|
if (values.text.length !== 1) delete this.CHTML.skew;
|
|
if (values.largeop) this.CHTMLcenterOp(node);
|
|
|
|
this.CHTMLhandleSpace(node);
|
|
this.CHTMLhandleStyle(node);
|
|
this.CHTMLhandleColor(node);
|
|
|
|
return node;
|
|
},
|
|
CHTMLhandleSpace: function (node) {
|
|
if (this.useMMLspacing) {
|
|
var values = this.getValues("scriptlevel","lspace","rspace");
|
|
values.lspace = Math.max(0,CHTML.length2em(values.lspace));
|
|
values.rspace = Math.max(0,CHTML.length2em(values.rspace));
|
|
if (values.scriptlevel > 0) {
|
|
if (!this.hasValue("lspace")) values.lspace = .15;
|
|
if (!this.hasValue("rspace")) values.rspace = .15;
|
|
}
|
|
var core = this, parent = this.Parent();
|
|
while (parent && parent.isEmbellished() && parent.Core() === core)
|
|
{core = parent; parent = parent.Parent(); node = core.CHTMLnodeElement()}
|
|
if (values.lspace) {node.style.paddingLeft = CHTML.Em(values.lspace)}
|
|
if (values.rspace) {node.style.paddingRight = CHTML.Em(values.rspace)}
|
|
} else {
|
|
this.SUPER(arguments).CHTMLhandleSpace.apply(this,arguments);
|
|
}
|
|
},
|
|
CHTMLadjustAccent: function (data) {
|
|
var parent = this.CoreParent(); data.parent = parent;
|
|
if (data.text.length === 1 && parent && parent.isa(MML.munderover) &&
|
|
this.CoreText(parent.data[parent.base]).length === 1) {
|
|
var over = parent.data[parent.over], under = parent.data[parent.under];
|
|
if (over && this === over.CoreMO() && parent.Get("accent")) {
|
|
data.mapchars = CHTML.FONTDATA.REMAPACCENT
|
|
} else if (under && this === under.CoreMO() && parent.Get("accentunder")) {
|
|
data.mapchars = CHTML.FONTDATA.REMAPACCENTUNDER
|
|
}
|
|
}
|
|
},
|
|
CHTMLadjustVariant: function (data) {
|
|
var parent = data.parent,
|
|
isScript = (parent && parent.isa(MML.msubsup) && this !== parent.data[parent.base]);
|
|
if (data.largeop) data.mathvariant = (data.displaystyle ? "-largeOp" : "-smallOp");
|
|
if (isScript) {
|
|
data.mapchars = this.remapChars;
|
|
if (data.text.match(/['`"\u00B4\u2032-\u2037\u2057]/))
|
|
data.mathvariant = "-TeX-variant"; // ### FIXME: handle other fonts
|
|
}
|
|
},
|
|
CHTMLcenterOp: function (node) {
|
|
var bbox = this.CHTML;
|
|
var p = (bbox.h - bbox.d)/2 - AXISHEIGHT;
|
|
if (Math.abs(p) > .001) node.style.verticalAlign = CHTML.Em(-p);
|
|
bbox.h -= p; bbox.d += p;
|
|
if (bbox.r > bbox.w) {
|
|
bbox.ic = bbox.r - bbox.w; bbox.w = bbox.r;
|
|
node.style.paddingRight = CHTML.Em(bbox.ic);
|
|
}
|
|
},
|
|
CHTMLcanStretch: function (direction,H,D) {
|
|
if (!this.Get("stretchy")) {return false}
|
|
var c = this.data.join("");
|
|
if (c.length > 1) {return false}
|
|
c = CHTML.DELIMITERS[c];
|
|
var stretch = (c && c.dir === direction.substr(0,1));
|
|
if (stretch) {
|
|
stretch = (this.CHTML.h !== H || this.CHTML.d !== D ||
|
|
(this.Get("minsize",true) || this.Get("maxsize",true)));
|
|
}
|
|
return stretch;
|
|
},
|
|
CHTMLstretchV: function (h,d) {
|
|
var node = this.CHTMLnodeElement(), bbox = this.CHTML; //bbox.w = .4; // ## adjust width
|
|
var values = this.getValues("symmetric","maxsize","minsize");
|
|
if (values.symmetric) {H = 2*Math.max(h-AXISHEIGHT,d+AXISHEIGHT)} else {H = h + d}
|
|
values.maxsize = CHTML.length2em(values.maxsize,bbox.h+bbox.d);
|
|
values.minsize = CHTML.length2em(values.minsize,bbox.h+bbox.d);
|
|
H = Math.max(values.minsize,Math.min(values.maxsize,H));
|
|
var scale = H/(bbox.h+bbox.d-.3); // ### adjusted for extra tall bbox
|
|
var box = HTML.Element("span",{style:{"font-size":CHTML.Em(scale)}});
|
|
if (scale > 1.25) {
|
|
var sX = Math.ceil(1.25/scale * 10);
|
|
box.className = "MJXc-right MJXc-scale"+sX;
|
|
box.style.marginLeft = CHTML.Em(bbox.w*(sX/10-1)+.07);
|
|
bbox.w *= scale*sX/10;
|
|
}
|
|
box.appendChild(node.firstChild); node.appendChild(box);
|
|
if (values.symmetric) node.style.verticalAlign = CHTML.Em(AXISHEIGHT*(1-scale));
|
|
}
|
|
});
|
|
|
|
MML.mspace.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLcreateNode(node);
|
|
this.CHTMLhandleStyle(node);
|
|
this.CHTMLhandleColor(node);
|
|
var values = this.getValues("height","depth","width");
|
|
var w = CHTML.length2em(values.width),
|
|
h = CHTML.length2em(values.height),
|
|
d = CHTML.length2em(values.depth);
|
|
var bbox = this.CHTML;
|
|
bbox.w = w; bbox.h = h; bbox.d = d;
|
|
if (w < 0) {node.style.marginRight = CHTML.Em(w); w = 0}
|
|
node.style.width = CHTML.Em(w);
|
|
node.style.height = CHTML.Em(h+d);
|
|
if (d) node.style.verticalAlign = CHTML.Em(-d);
|
|
return node;
|
|
}
|
|
});
|
|
|
|
MML.mpadded.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLdefaultNode(node,{
|
|
childNodes:"mjx-box", forceChild:true
|
|
});
|
|
var child = node.firstChild;
|
|
var values = this.getValues("width","height","depth","lspace","voffset");
|
|
var dimen = this.CHTMLdimen(values.lspace);
|
|
var T = 0, B = 0, L = dimen.len, R = -dimen.len, V = 0;
|
|
if (values.width !== "") {
|
|
dimen = this.CHTMLdimen(values.width,"w",0);
|
|
if (dimen.pm) {R += dimen.len} else {node.style.width = CHTML.Em(dimen.len)}
|
|
}
|
|
if (values.height !== "") {
|
|
dimen = this.CHTMLdimen(values.height,"h",0);
|
|
if (!dimen.pm) T += -this.CHTMLbboxFor(0).h;
|
|
T += dimen.len;
|
|
}
|
|
if (values.depth !== "") {
|
|
dimen = this.CHTMLdimen(values.depth,"d",0);
|
|
if (!dimen.pm) {B += -this.CHTMLbboxFor(0).d; V += -dimen.len}
|
|
B += dimen.len;
|
|
}
|
|
if (values.voffset !== "") {
|
|
dimen = this.CHTMLdimen(values.voffset);
|
|
T -= dimen.len; B += dimen.len;
|
|
V += dimen.len;
|
|
}
|
|
if (T) child.style.marginTop = CHTML.Em(T);
|
|
if (B) child.style.marginBottom = CHTML.Em(B);
|
|
if (L) child.style.marginLeft = CHTML.Em(L);
|
|
if (R) child.style.marginRight = CHTML.Em(R);
|
|
if (V) node.style.verticalAlign = CHTML.Em(V);
|
|
return node;
|
|
},
|
|
CHTMLdimen: function (length,d,m) {
|
|
if (m == null) {m = -BIGDIMEN}
|
|
length = String(length);
|
|
var match = length.match(/width|height|depth/);
|
|
var size = (match ? this.CHTML[match[0].charAt(0)] : (d ? this.CHTML[d] : 0));
|
|
return {len: CHTML.length2em(length,size)||0, pm: !!length.match(/^[-+]/)};
|
|
}
|
|
});
|
|
|
|
MML.munderover.Augment({
|
|
toCommonHTML: function (node) {
|
|
var values = this.getValues("displaystyle","accent","accentunder","align");
|
|
if (!values.displaystyle && this.data[this.base] != null &&
|
|
this.data[this.base].CoreMO().Get("movablelimits")) {
|
|
node = MML.msubsup.prototype.toCommonHTML.call(this,node);
|
|
//
|
|
// Change class to msubsup for CSS rules.
|
|
// ### FIXME: should this be handled via adding another class instead?
|
|
//
|
|
node.className = node.className.replace(/munderover/,"msubsup");
|
|
return node;
|
|
}
|
|
node = this.CHTMLdefaultNode(node,{childNodes:"span", noBBox:true});
|
|
var obox = this.CHTMLbboxFor(this.over),
|
|
ubox = this.CHTMLbboxFor(this.under),
|
|
bbox = this.CHTMLbboxFor(this.base),
|
|
BBOX = this.CHTML, acc = obox.acc;
|
|
if (this.data[this.over]) {
|
|
node.lastChild.firstChild.style.marginLeft = obox.l =
|
|
node.lastChild.firstChild.style.marginRight = obox.r = 0;
|
|
var over = HTML.Element("span",{},[["span",{className:"MJXc-over"}]]);
|
|
over.firstChild.appendChild(node.lastChild);
|
|
if (node.childNodes.length > (this.data[this.under] ? 1 : 0))
|
|
over.firstChild.appendChild(node.firstChild);
|
|
this.data[this.over].CHTMLhandleScriptlevel(over.firstChild.firstChild);
|
|
if (acc != null) {
|
|
if (obox.vec) {
|
|
over.firstChild.firstChild.firstChild.style.fontSize = "60%";
|
|
obox.h *= .6; obox.d *= .6; obox.w *= .6;
|
|
}
|
|
acc = acc - obox.d + .1; if (bbox.t != null) {acc += bbox.t - bbox.h}
|
|
over.firstChild.firstChild.style.marginBottom = CHTML.Em(acc);
|
|
}
|
|
if (node.firstChild) {node.insertBefore(over,node.firstChild)}
|
|
else {node.appendChild(over)}
|
|
}
|
|
if (this.data[this.under]) {
|
|
node.lastChild.firstChild.style.marginLeft = ubox.l =
|
|
node.lastChild.firstChild.marginRight = ubox.r = 0;
|
|
this.data[this.under].CHTMLhandleScriptlevel(node.lastChild);
|
|
}
|
|
BBOX.w = Math.max(SCRIPTFACTOR*obox.w,SCRIPTFACTOR*ubox.w,bbox.w);
|
|
BBOX.h = SCRIPTFACTOR*(obox.h+obox.d+(acc||0)) + bbox.h;
|
|
BBOX.d = bbox.d + SCRIPTFACTOR*(ubox.h+ubox.d);
|
|
return node;
|
|
}
|
|
});
|
|
|
|
MML.msubsup.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLdefaultNode(node,{noBBox:true});
|
|
if (!this.data[this.base]) {
|
|
if (node.firstChild) {node.insertBefore(HTML.Element("span"),node.firstChild)}
|
|
else {node.appendChild(HTML.Element("span"))}
|
|
}
|
|
var base = this.data[this.base], sub = this.data[this.sub], sup = this.data[this.sup];
|
|
if (!base) base = {bbox: {h:.8, d:.2}};
|
|
node.firstChild.style.marginRight = ".05em";
|
|
var h = Math.max(.4,base.CHTML.h-.4),
|
|
d = Math.max(.2,base.CHTML.d+.1);
|
|
var bbox = this.CHTML;
|
|
if (sup && sub) {
|
|
var box = HTML.Element("span",{className:"MJXc-script-box", style:{
|
|
height: CHTML.Em(h+sup.CHTML.h*SCRIPTFACTOR + d+sub.CHTML.d*SCRIPTFACTOR),
|
|
"vertical-align": CHTML.Em(-d-sub.CHTML.d*SCRIPTFACTOR)
|
|
}},[
|
|
["span",{},[["span",{},[["span",{
|
|
style:{"margin-bottom":CHTML.Em(-(sup.CHTML.d-.05))}
|
|
}]]]]],
|
|
["span",{},[["span",{},[["span",{
|
|
style:{"margin-top":CHTML.Em(-(sup.CHTML.h-.05))}
|
|
}]]]]]
|
|
]);
|
|
sub.CHTMLhandleScriptlevel(box.firstChild);
|
|
sup.CHTMLhandleScriptlevel(box.lastChild);
|
|
box.firstChild.firstChild.firstChild.appendChild(node.lastChild);
|
|
box.lastChild.firstChild.firstChild.appendChild(node.lastChild);
|
|
node.appendChild(box);
|
|
bbox.h = Math.max(base.CHTML.h,sup.CHTML.h*SCRIPTFACTOR+h);
|
|
bbox.d = Math.max(base.CHTML.d,sub.CHTML.d*SCRIPTFACTOR+d);
|
|
bbox.w = base.CHTML.w + Math.max(sup.CHTML.w,sub.CHTML.w) + .07;
|
|
} else if (sup) {
|
|
node.lastChild.style.verticalAlign = CHTML.Em(h);
|
|
sup.CHTMLhandleScriptlevel(node.lastChild);
|
|
bbox.h = Math.max(base.CHTML.h,sup.CHTML.h*SCRIPTFACTOR+h);
|
|
bbox.d = Math.max(base.CHTML.d,sup.CHTML.d*SCRIPTFACTOR-h);
|
|
bbox.w = base.CHTML.w + sup.CHTML.w + .07;
|
|
} else if (sub) {
|
|
node.lastChild.style.verticalAlign = CHTML.Em(-d);
|
|
sub.CHTMLhandleScriptlevel(node.lastChild);
|
|
bbox.h = Math.max(base.CHTML.h,sub.CHTML.h*SCRIPTFACTOR-d);
|
|
bbox.d = Math.max(base.CHTML.d,sub.CHTML.d*SCRIPTFACTOR+d);
|
|
bbox.w = base.CHTML.w + sub.CHTML.w + .07;
|
|
}
|
|
return node;
|
|
}
|
|
});
|
|
|
|
MML.mfrac.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLdefaultNode(node,{
|
|
childNodes:"mjx-cell", forceChild:true, noBBox:true
|
|
});
|
|
var values = this.getValues("linethickness","displaystyle","scriptlevel");
|
|
var sscale = 1, scale = (values.scriptlevel > 0 ? SCRIPTFACTOR : 1);
|
|
if (!values.displaystyle && values.scriptlevel < 2) {
|
|
sscale = SCRIPTFACTOR;
|
|
if (this.data[0]) this.data[0].CHTMLhandleScriptlevel(node.firstChild);
|
|
if (this.data[1]) this.data[1].CHTMLhandleScriptlevel(node.lastChild);
|
|
}
|
|
var frac = HTML.addElement(node,"mjx-itable",{},[
|
|
["mjx-row",{},[
|
|
["mjx-fbox",{},[
|
|
["mjx-ftable",{},[
|
|
["mjx-row",{className:"mjx-numerator"}],
|
|
["mjx-row",{className:"mjx-division"},[
|
|
["mjx-cell",{},[["mjx-line"]]]
|
|
]]
|
|
]]
|
|
]]
|
|
]],
|
|
["mjx-row",{className:"mjx-denominator"}]
|
|
]);
|
|
var num = frac.firstChild.firstChild.firstChild.firstChild, denom = frac.lastChild;
|
|
num.appendChild(node.firstChild);
|
|
denom.appendChild(node.firstChild);
|
|
|
|
var nbox = this.CHTMLbboxFor(0), dbox = this.CHTMLbboxFor(1), bbox = this.CHTML;
|
|
var H = sscale*(nbox.h+nbox.d + dbox.h+dbox.d);
|
|
bbox.w = sscale*Math.max(nbox.w,dbox.w);
|
|
bbox.h = H/2 + AXISHEIGHT;
|
|
bbox.d = H/2 - AXISHEIGHT;
|
|
bbox.L = bbox.R = .125/scale;
|
|
values.linethickness = Math.max(0,CHTML.length2em(values.linethickness||"0",0));
|
|
if (values.linethickness) {
|
|
var rule = num.nextSibling.firstChild.firstChild;
|
|
var t = (values.linethickness < .15 ? "1px" : CHTML.Em(values.linethickness));
|
|
rule.style.borderTop = t+" solid"; rule.style.margin = t+" 0";
|
|
t = values.linethickness;
|
|
node.style.verticalAlign = CHTML.Em(AXISHEIGHT-t);
|
|
bbox.h += 2*t; bbox.d += t;
|
|
}
|
|
return node;
|
|
}
|
|
});
|
|
|
|
MML.msqrt.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLdefaultNode(node,{
|
|
childNodes:"mjx-box", forceChild:true, noBBox:true
|
|
});
|
|
this.CHTMLlayoutRoot(node,node.firstChild);
|
|
return node;
|
|
},
|
|
CHTMLlayoutRoot: function (node,base) {
|
|
var bbox = this.CHTMLbboxFor(0);
|
|
var scale = Math.ceil((bbox.h+bbox.d+.14)*100), t = CHTML.Em(14/scale);
|
|
var surd = HTML.Element("span",{className:"MJXc-surd"},[
|
|
["span",{style:{"font-size":scale+"%","margin-top":t}},["\u221A"]]
|
|
]);
|
|
var root = HTML.Element("span",{className:"MJXc-root"},[
|
|
["span",{className:"MJXc-rule",style:{"border-top":".08em solid"}}]
|
|
]);
|
|
var W = (1.2/2.2)*scale/100; // width-of-surd = (height/H-to-W-ratio)
|
|
if (scale > 150) {
|
|
var sX = Math.ceil(150/scale * 10);
|
|
surd.firstChild.className = "MJXc-right MJXc-scale"+sX;
|
|
surd.firstChild.style.marginLeft = CHTML.Em(W*(sX/10-1)/scale*100);
|
|
W = W*sX/10;
|
|
root.firstChild.style.borderTopWidth = CHTML.Em(.08/Math.sqrt(sX/10));
|
|
}
|
|
root.appendChild(base);
|
|
node.appendChild(surd);
|
|
node.appendChild(root);
|
|
this.CHTML.h = bbox.h + .18; this.CHTML.d = bbox.d;
|
|
this.CHTML.w = bbox.w + W;
|
|
return node;
|
|
}
|
|
});
|
|
|
|
MML.mroot.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLdefaultNode(node,{
|
|
childNodes:"mjx-box", forceChild:true, noBBox:true
|
|
});
|
|
var rbox = this.CHTMLbboxFor(1), root = node.removeChild(node.lastChild);
|
|
var sqrt = this.CHTMLlayoutRoot(HTML.Element("span"),node.firstChild);
|
|
root.className = "MJXc-script"; // ### FIXME: should be scriptscript
|
|
var scale = parseInt(sqrt.firstChild.firstChild.style.fontSize);
|
|
var v = .55*(scale/120) + rbox.d*SCRIPTFACTOR, r = -.6*(scale/120);
|
|
if (scale > 150) {r *= .95*Math.ceil(150/scale*10)/10}
|
|
root.style.marginRight = CHTML.Em(r); root.style.verticalAlign = CHTML.Em(v);
|
|
if (-r > rbox.w*SCRIPTFACTOR) root.style.marginLeft = CHTML.Em(-r-rbox.w*SCRIPTFACTOR); // ### depends on rbox.w
|
|
node.appendChild(root); node.appendChild(sqrt);
|
|
this.CHTML.w += Math.max(0,rbox.w*SCRIPTFACTOR+r);
|
|
this.CHTML.h = Math.max(this.CHTML.h,rbox.h*SCRIPTFACTOR+v);
|
|
return node;
|
|
},
|
|
CHTMLlayoutRoot: MML.msqrt.prototype.CHTMLlayoutRoot
|
|
});
|
|
|
|
MML.mfenced.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLcreateNode(node);
|
|
this.CHTMLhandleSpace(node);
|
|
this.CHTMLhandleStyle(node);
|
|
this.CHTMLhandleColor(node);
|
|
//
|
|
// Make row of open, data, sep, ... data, close
|
|
//
|
|
this.addFakeNodes();
|
|
this.CHTMLaddChild(node,"open",{});
|
|
for (var i = 0, m = this.data.length; i < m; i++) {
|
|
this.CHTMLaddChild(node,"sep"+i,{});
|
|
this.CHTMLaddChild(node,i,{});
|
|
}
|
|
this.CHTMLaddChild(node,"close",{});
|
|
//
|
|
// Check for streching the elements
|
|
//
|
|
var H = this.CHTML.h, D = this.CHTML.d;
|
|
this.CHTMLstretchChild("open",H,D);
|
|
for (i = 0, m = this.data.length; i < m; i++) {
|
|
this.CHTMLstretchChild("sep"+i,H,D);
|
|
this.CHTMLstretchChild(i,H,D);
|
|
}
|
|
this.CHTMLstretchChild("close",H,D);
|
|
return node;
|
|
}
|
|
});
|
|
|
|
MML.mrow.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLdefaultNode(node);
|
|
var H = this.CHTML.h, D = this.CHTML.d;
|
|
for (var i = 0, m = this.data.length; i < m; i++) this.CHTMLstretchChild(i,H,D);
|
|
return node;
|
|
}
|
|
});
|
|
|
|
MML.mstyle.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLdefaultNode(node);
|
|
if (this.scriptlevel) {
|
|
var dlevel = this.Get("scriptlevel",null,true);
|
|
if (this.scriptlevel !== dlevel) {
|
|
this.CHTMLhandleScriptlevel(node,dlevel);
|
|
CHTML.scaleBBox(this.CHTML,this.scriptlevel,dlevel);
|
|
}
|
|
}
|
|
return node;
|
|
}
|
|
});
|
|
|
|
MML.TeXAtom.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLdefaultNode(node);
|
|
// ### FIXME: handle TeX class?
|
|
node.className = "MJXc-mrow";
|
|
return node;
|
|
}
|
|
});
|
|
|
|
MML.mtable.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLdefaultNode(node,{noBBox:true});
|
|
var values = this.getValues("columnalign","rowalign","columnspacing","rowspacing",
|
|
"columnwidth","equalcolumns","equalrows",
|
|
"columnlines","rowlines","frame","framespacing",
|
|
"align","width"/*,"useHeight","side","minlabelspacing"*/);
|
|
var SPLIT = MathJax.Hub.SplitList, i, m, j, n;
|
|
var CSPACE = SPLIT(values.columnspacing),
|
|
RSPACE = SPLIT(values.rowspacing),
|
|
CALIGN = SPLIT(values.columnalign),
|
|
RALIGN = SPLIT(values.rowalign);//,
|
|
// CLINES = SPLIT(values.columnlines),
|
|
// RLINES = SPLIT(values.rowlines),
|
|
// CWIDTH = SPLIT(values.columnwidth),
|
|
// RCALIGN = [];
|
|
for (i = 0, m = CSPACE.length; i < m; i++) {CSPACE[i] = CHTML.length2em(CSPACE[i])}
|
|
for (i = 0, m = RSPACE.length; i < m; i++) {RSPACE[i] = CHTML.length2em(RSPACE[i])}
|
|
|
|
var table = HTML.Element("node");
|
|
while (node.firstChild) table.appendChild(node.firstChild);
|
|
node.appendChild(table);
|
|
var H = 0, W = 0;
|
|
for (i = 0, m = this.data.length; i < m; i++) {
|
|
var row = this.data[i];
|
|
if (row) {
|
|
var rspace = CHTML.arrayEntry(RSPACE,i-1), ralign = CHTML.arrayEntry(RALIGN,i);
|
|
var rbox = row.CHTML, rnode = row.CHTMLnodeElement();
|
|
rnode.style.verticalAlign = ralign;
|
|
var k = (row.type === "mlabeledtr" ? 1 : 0);
|
|
for (j = 0, n = row.data.length; j < n-k; j++) {
|
|
var cell = row.data[j+k];
|
|
if (cell) {
|
|
var cspace = CHTML.arrayEntry(CSPACE,j-1), calign = CHTML.arrayEntry(CALIGN,j);
|
|
var /*cbox = cell.CHTML,*/ cnode = cell.CHTMLnodeElement();
|
|
if (j) {rbox.w += cspace; cnode.style.paddingLeft = CHTML.Em(cspace)}
|
|
if (i) cnode.style.paddingTop = CHTML.Em(rspace);
|
|
cnode.style.textAlign = calign;
|
|
}
|
|
}
|
|
H += rbox.h + rbox.d; if (i) {H += rspace}
|
|
if (rbox.w > W) W = rbox.w;
|
|
}
|
|
}
|
|
var bbox = this.CHTML;
|
|
bbox.w = W; bbox.h = H/2 + AXISHEIGHT; bbox.d = H/2 - AXISHEIGHT;
|
|
bbox.L = bbox.R = .125;
|
|
return node;
|
|
}
|
|
});
|
|
MML.mlabeledtr.Augment({
|
|
CHTMLdefaultNode: function (node,options) {
|
|
if (!options) options = {};
|
|
node = this.CHTMLcreateNode(node);
|
|
this.CHTMLhandleStyle(node);
|
|
this.CHTMLhandleColor(node);
|
|
// skip label for now
|
|
for (var i = 1, m = this.data.length; i < m; i++) this.CHTMLaddChild(node,i,options);
|
|
return node;
|
|
}
|
|
});
|
|
|
|
MML.semantics.Augment({
|
|
toCommonHTML: function (node) {
|
|
node = this.CHTMLcreateNode(node);
|
|
if (this.data[0]) {
|
|
this.data[0].toCommonHTML(node);
|
|
MathJax.Hub.Insert(this.data[0].CHTML||{},this.CHTML);
|
|
}
|
|
return node;
|
|
}
|
|
});
|
|
MML.annotation.Augment({toCommonHTML: function(node) {}});
|
|
MML["annotation-xml"].Augment({toCommonHTML: function(node) {}});
|
|
|
|
//
|
|
// Loading isn't complete until the element jax is modified,
|
|
// but can't call loadComplete within the callback for "mml Jax Ready"
|
|
// (it would call CommonHTML's Require routine, asking for the mml jax again)
|
|
// so wait until after the mml jax has finished processing.
|
|
//
|
|
// We also need to wait for the onload handler to run, since the loadComplete
|
|
// will call Config and Startup, which need to modify the body.
|
|
//
|
|
MathJax.Hub.Register.StartupHook("onLoad",function () {
|
|
setTimeout(MathJax.Callback(["loadComplete",CHTML,"jax.js"]),0);
|
|
});
|
|
});
|
|
|
|
MathJax.Hub.Register.StartupHook("End Cookie", function () {
|
|
if (HUB.config.menuSettings.zoom !== "None")
|
|
{AJAX.Require("[MathJax]/extensions/MathZoom.js")}
|
|
});
|
|
|
|
})(MathJax.Ajax,MathJax.Hub,MathJax.HTML,MathJax.OutputJax.CommonHTML);
|