This commit is contained in:
Xes
2025-08-14 22:44:47 +02:00
parent 8ce45119b6
commit 791cb748ab
39112 changed files with 975901 additions and 0 deletions

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/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/jax/output/CommonHTML/autoload/annotation-xm;l.js
*
* Implements the CommonHTML output for <annotation-xml> elements.
*
* ---------------------------------------------------------------------
*
* Copyright (c) 2015-2020 The MathJax Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
var VERSION = "2.7.8";
var MML = MathJax.ElementJax.mml,
CHTML = MathJax.OutputJax.CommonHTML;
MML["annotation-xml"].Augment({
toCommonHTML: function (node) {
var encoding = this.Get("encoding");
node = this.CHTMLdefaultNode(node,{childOptions:{encoding:encoding}});
if (this.CHTML.rscale !== 1) this.CHTML.rescale(1/this.CHTML.rscale);
return node;
}
});
MML.xml.Augment({
toCommonHTML: function (node,options) {
var bbox = this.CHTML = CHTML.BBOX.zero();
for (var i = 0, m = this.data.length; i < m; i++)
{node.appendChild(this.data[i].cloneNode(true))}
//
// Warning: causes reflow
//
var w = node.offsetWidth, h = node.offsetHeight;
var strut = CHTML.addElement(node,"mjx-hd-test",{style:{height:h+"px"}});
bbox.d = bbox.b = (node.offsetHeight - h)/CHTML.em;
bbox.w = bbox.r = w/CHTML.em; bbox.h = bbox.t = h/CHTML.em - bbox.d;
node.removeChild(strut);
}
});
MathJax.Hub.Startup.signal.Post("CommonHTML annotation-xml Ready");
MathJax.Ajax.loadComplete(CHTML.autoloadDir+"/annotation-xml.js");
});

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/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/jax/output/CommonHTML/autoload/maction.js
*
* Implements the CommonHTML output for <maction> elements.
*
* ---------------------------------------------------------------------
*
* Copyright (c) 2015-2020 The MathJax Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
var VERSION = "2.7.8";
var MML = MathJax.ElementJax.mml,
CHTML = MathJax.OutputJax.CommonHTML;
var currentTip, hover, clear;
//
// Add configuration for tooltips
//
var CONFIG = CHTML.config.tooltip = MathJax.Hub.Insert({
delayPost: 600, delayClear: 600,
offsetX: 10, offsetY: 5
},CHTML.config.tooltip||{});
MML.maction.Augment({
CHTMLtooltip: CHTML.addElement(document.body,"div",{id:"MathJax_CHTML_Tooltip"}),
toCommonHTML: function (node) {
var selected = this.Get("selection");
node = this.CHTMLcreateNode(node);
this.CHTML = CHTML.BBOX.empty();
this.CHTMLhandleStyle(node);
this.CHTMLhandleScale(node);
this.CHTMLaddChild(node,selected-1,{});
this.CHTML.clean();
this.CHTMLhandleSpace(node);
this.CHTMLhandleBBox(node);
this.CHTMLhandleColor(node);
var type = this.Get("actiontype");
if (this.CHTMLaction[type] && this.CHTMLaction.hasOwnProperty(type))
this.CHTMLaction[type].call(this,node,selected);
return node;
},
CHTMLcoreNode: function (node) {return this.CHTMLchildNode(node,0)},
//
// Implementations for the various actions
//
CHTMLaction: {
toggle: function (node,selection) {
this.selection = selection;
node.onclick = MathJax.Callback(["CHTMLclick",this,CHTML.jax]);
node.style.cursor = "pointer";
},
statusline: function (node,selection) {
node.onmouseover = MathJax.Callback(["CHTMLsetStatus",this]);
node.onmouseout = MathJax.Callback(["CHTMLclearStatus",this]);
node.onmouseover.autoReset = node.onmouseout.autoReset = true;
},
tooltip: function(node,selection) {
if (this.data[1] && this.data[1].isToken) {
node.title = node.alt = this.data[1].data.join("");
} else {
node.onmouseover = MathJax.Callback(["CHTMLtooltipOver",this,CHTML.jax]);
node.onmouseout = MathJax.Callback(["CHTMLtooltipOut",this,CHTML.jax]);
node.onmouseover.autoReset = node.onmouseout.autoReset = true;
}
}
},
//
// Handle a click on the maction element
// (remove the original rendering and rerender)
//
CHTMLclick: function (jax,event) {
this.selection++;
if (this.selection > this.data.length) this.selection = 1;
var hover = !!jax.hover;
jax.Update();
if (hover) {
var span = document.getElementById(jax.inputID+"-Span");
MathJax.Extension.MathEvents.Hover.Hover(jax,span);
}
return MathJax.Extension.MathEvents.Event.False(event);
},
//
// Set/Clear the window status message
//
CHTMLsetStatus: function (event) {
// FIXME: Do something better with non-token elements
this.messageID = MathJax.Message.Set
((this.data[1] && this.data[1].isToken) ?
this.data[1].data.join("") : this.data[1].toString());
},
CHTMLclearStatus: function (event) {
if (this.messageID) MathJax.Message.Clear(this.messageID,0);
delete this.messageID;
},
//
// Handle tooltips
//
CHTMLtooltipOver: function (jax,event) {
if (!event) event = window.event;
if (clear) {clearTimeout(clear); clear = null}
if (hover) clearTimeout(hover);
var x = event.pageX; var y = event.pageY;
if (x == null) {
x = event.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
y = event.clientY + document.body.scrollTop + document.documentElement.scrollTop;
}
var callback = MathJax.Callback(["CHTMLtooltipPost",this,jax,x+CONFIG.offsetX,y+CONFIG.offsetY])
hover = setTimeout(callback,CONFIG.delayPost);
},
CHTMLtooltipOut: function (jax,event) {
if (hover) {clearTimeout(hover); hover = null}
if (clear) clearTimeout(clear);
var callback = MathJax.Callback(["CHTMLtooltipClear",this,80]);
clear = setTimeout(callback,CONFIG.delayClear);
},
CHTMLtooltipPost: function (jax,x,y) {
hover = null; if (clear) {clearTimeout(clear); clear = null}
var tip = this.CHTMLtooltip;
tip.style.display = "block"; tip.style.opacity = "";
// tip.style.filter = CHTML.config.styles["#MathJax_CHTML_Tooltip"].filter;
if (this === currentTip) return;
tip.style.left = x+"px"; tip.style.top = y+"px";
tip.innerHTML = '<span class="mjx-chtml"><span class="mjx-math"></span></span>';
CHTML.getMetrics(jax);
try {this.data[1].toCommonHTML(tip.firstChild.firstChild)} catch(err) {
if (!err.restart) throw err;
tip.style.display = "none";
MathJax.Callback.After(["CHTMLtooltipPost",this,jax,x,y],err.restart);
return;
}
currentTip = this;
},
CHTMLtooltipClear: function (n) {
var tip = this.CHTMLtooltip;
if (n <= 0) {
tip.style.display = "none";
tip.style.opacity = tip.style.filter = "";
clear = null;
} else {
tip.style.opacity = n/100;
tip.style.filter = "alpha(opacity="+n+")";
clear = setTimeout(MathJax.Callback(["CHTMLtooltipClear",this,n-20]),50);
}
}
});
MathJax.Hub.Startup.signal.Post("CommonHTML maction Ready");
MathJax.Ajax.loadComplete(CHTML.autoloadDir+"/maction.js");
});

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/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/jax/output/CommonHTML/autoload/menclose.js
*
* Implements the CommonHTML output for <menclose> elements.
*
* ---------------------------------------------------------------------
*
* Copyright (c) 2015-2020 The MathJax Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
var VERSION = "2.7.8";
var MML = MathJax.ElementJax.mml,
CHTML = MathJax.OutputJax.CommonHTML;
var SVGNS = "http://www.w3.org/2000/svg";
var ARROWX = 4, ARROWDX = 1, ARROWY = 2;
MML.menclose.Augment({
toCommonHTML: function (node) {
var values = this.getValues("notation","thickness","padding");
if (values.thickness == null) values.thickness = ".075em";
if (values.padding == null) values.padding = ".2em";
//
// Get DOM nodes
//
node = this.CHTMLdefaultNode(node,{childNodes:"mjx-box", forceChild:true});
var child = node.firstChild, cbox = this.CHTMLbboxFor(0);
//
// Get the padding and rule thickness
//
var p = this.CHTMLlength2em(values.padding,1/CHTML.em); // padding for enclosure
var t = this.CHTMLlength2em(values.thickness,1/CHTML.em); // thickness of lines
t = Math.max(1,Math.round(t*CHTML.em))/CHTML.em;
var SOLID = CHTML.Px(t)+" solid";
var bb = {L:p, R:p, T:p, B:p, H:cbox.h+p, D:cbox.d+p, W:cbox.w+2*p};
child.style.padding = CHTML.Em(p);
//
// Eliminate duplicate notations.
//
var notations = MathJax.Hub.SplitList(values.notation), notation = {};
for (var i = 0, m = notations.length; i < m; i++) notation[notations[i]] = true;
if (notation[MML.NOTATION.UPDIAGONALARROW]) delete notation[MML.NOTATION.UPDIAGONALSTRIKE];
//
// Add the needed notations
//
for (var n in notation) {
if (notation.hasOwnProperty(n)) {
if (this.CHTMLnotation[n] && this.CHTMLnotation.hasOwnProperty(n))
this.CHTMLnotation[n].call(this,child,cbox,bb,p,t,SOLID);
}
}
//
// Adjust the bounding box
//
var BBOX = this.CHTML;
BBOX.w += bb.L + bb.R; BBOX.r += BBOX.L; if (BBOX.w > BBOX.r) BBOX.r = BBOX.w;
BBOX.h += bb.T; if (BBOX.h > BBOX.t) BBOX.t = BBOX.h;
BBOX.d += bb.B; if (BBOX.d > BBOX.b) BBOX.b = BBOX.d;
return node;
},
//
// The various notations and their implementations
//
CHTMLnotation: {
/********************************************************/
box: function (child,cbox,bb,p,t,SOLID) {
p -= t;
child.style.padding = CHTML.Em(p);
child.style.border = SOLID;
},
/********************************************************/
roundedbox: function (child,cbox,bb,p,t,SOLID) {
var r = Math.min(cbox.w,cbox.h+cbox.d+2*p)/4;
CHTML.addElement(child.parentNode,"mjx-box",{
style: {
padding:CHTML.Em(p-t), border:SOLID, "border-radius":CHTML.Em(r),
height:CHTML.Em(cbox.h+cbox.d), "vertical-align":CHTML.Em(-bb.D),
width:CHTML.Em(cbox.w), "margin-left":CHTML.Em(-bb.W)
}
});
},
/********************************************************/
circle: function (child,cbox,bb,p,t,SOLID) {
var H = bb.H, D = bb.D, W = bb.W;
var svg = this.CHTMLsvg(child,bb,t);
this.CHTMLsvgElement(svg.firstChild,"ellipse",{
rx:CHTML.Px(W/2-t/2), ry:CHTML.Px((H+D)/2-t/2),
cx:CHTML.Px(W/2), cy:CHTML.Px((H+D)/2)
});
this.CHTMLsvgViewBox(svg);
},
/********************************************************/
left: function (child,cbox,bb,p,t,SOLID) {
child.style.borderLeft = SOLID;
child.style.paddingLeft = CHTML.Em(p-t);
},
/********************************************************/
right: function (child,cbox,bb,p,t,SOLID) {
child.style.borderRight = SOLID;
child.style.paddingRight = CHTML.Em(p-t);
},
/********************************************************/
top: function (child,cbox,bb,p,t,SOLID) {
child.style.borderTop = SOLID;
child.style.paddingTop = CHTML.Em(p-t);
},
/********************************************************/
bottom: function (child,cbox,bb,p,t,SOLID) {
child.style.borderBottom = SOLID;
child.style.paddingBottom = CHTML.Em(p-t);
},
/********************************************************/
actuarial: function (child,cbox,bb,p,t,SOLID) {
child.style.borderTop = child.style.borderRight = SOLID;
child.style.paddingTop = child.style.paddingRight = CHTML.Em(p-t);
},
/********************************************************/
madruwb: function (child,cbox,bb,p,t,SOLID) {
child.style.borderBottom = child.style.borderRight = SOLID;
child.style.paddingBottom = child.style.paddingRight = CHTML.Em(p-t);
},
/********************************************************/
verticalstrike: function (child,cbox,bb,p,t,SOLID) {
CHTML.addElement(child.parentNode,"mjx-box",{
style: {
"border-left":SOLID,
height:CHTML.Em(bb.H+bb.D), "vertical-align":CHTML.Em(-bb.D),
width:CHTML.Em(cbox.w/2+p-t/2), "margin-left":CHTML.Em(-cbox.w/2-p-t/2)
}
});
},
/********************************************************/
horizontalstrike: function (child,cbox,bb,p,t,SOLID) {
CHTML.addElement(child.parentNode,"mjx-box",{
style: {
"border-top":SOLID,
height:CHTML.Em((bb.H+bb.D)/2-t/2), "vertical-align":CHTML.Em(-bb.D),
width:CHTML.Em(bb.W), "margin-left":CHTML.Em(-bb.W)
}
});
},
/********************************************************/
updiagonalstrike: function (child,cbox,bb,p,t,SOLID) {
var H = bb.H, D = bb.D, W = bb.W;
var svg = this.CHTMLsvg(child,bb,t);
this.CHTMLsvgElement(svg.firstChild,"line",{
x1:CHTML.Px(t/2), y1:CHTML.Px(H+D-t), x2:CHTML.Px(W-t), y2:CHTML.Px(t/2)
});
this.CHTMLsvgViewBox(svg);
},
/********************************************************/
downdiagonalstrike: function (child,cbox,bb,p,t,SOLID) {
var H = bb.H, D = bb.D, W = bb.W;
var svg = this.CHTMLsvg(child,bb,t);
this.CHTMLsvgElement(svg.firstChild,"line",{
x1:CHTML.Px(t/2), y1:CHTML.Px(t/2), x2:CHTML.Px(W-t), y2:CHTML.Px(H+D-t)
});
this.CHTMLsvgViewBox(svg);
},
/********************************************************/
updiagonalarrow: function (child,cbox,bb,p,t,SOLID) {
var H = bb.H + bb.D - t, W = bb.W - t/2;
var a = Math.atan2(H,W)*(-180/Math.PI).toFixed(3);
var R = Math.sqrt(H*H + W*W);
var svg = this.CHTMLsvg(child,bb,t);
var g = this.CHTMLsvgElement(svg.firstChild,"g",{
fill:"currentColor",
transform:"translate("+this.CHTMLpx(t/2)+" "+this.CHTMLpx(H+t/2)+") rotate("+a+")"
});
var x = t * ARROWX, dx = t * ARROWDX, y = t * ARROWY;
this.CHTMLsvgElement(g,"line",{
x1:CHTML.Px(t/2), y1:0, x2:CHTML.Px(R-x), y2:0
});
this.CHTMLsvgElement(g,"path",{
d: "M "+this.CHTMLpx(R-x)+",0 " +
"L "+this.CHTMLpx(R-x-dx)+","+this.CHTMLpx(y) +
"L "+this.CHTMLpx(R)+",0 " +
"L "+this.CHTMLpx(R-x-dx)+","+this.CHTMLpx(-y),
stroke:"none"
});
this.CHTMLsvgViewBox(svg);
},
/********************************************************/
phasorangle: function (child,cbox,bb,p,t,SOLID) {
var P = p, H = bb.H, D = bb.D;
p = (H+D)/2;
var W = bb.W + p - P; bb.W = W; bb.L = p;
child.style.margin = "0 0 0 "+CHTML.Em(p-P);
var svg = this.CHTMLsvg(child,bb,t);
this.CHTMLsvgElement(svg.firstChild,"path",{
d: "M "+this.CHTMLpx(p)+",1 " +
"L 1,"+this.CHTMLpx(H+D-t)+" L "+this.CHTMLpx(W)+","+this.CHTMLpx(H+D-t)
});
this.CHTMLsvgViewBox(svg);
},
/********************************************************/
longdiv: function (child,cbox,bb,p,t,SOLID) {
bb.W += 1.5*p; bb.L += 1.5*p;
var H = bb.H, D = bb.D, W = bb.W;
child.style.margin = "0 0 0 "+CHTML.Em(1.5*p);
var svg = this.CHTMLsvg(child,bb,t);
this.CHTMLsvgElement(svg.firstChild,"path",{
d: "M "+this.CHTMLpx(W)+",1 L 1,1 "+
"a"+this.CHTMLpx(p)+","+this.CHTMLpx((H+D)/2-t/2)+" 0 0,1 1,"+this.CHTMLpx(H+D-1.5*t)
});
this.CHTMLsvgViewBox(svg);
},
/********************************************************/
radical: function (child,cbox,bb,p,t,SOLID) {
bb.W += 1.5*p; bb.L += 1.5*p;
var H = bb.H, D = bb.D, W = bb.W;
child.style.margin = "0 0 0 "+CHTML.Em(1.5*p);
var svg = this.CHTMLsvg(child,bb,t);
this.CHTMLsvgElement(svg.firstChild,"path",{
d: "M 1,"+this.CHTMLpx(.6*(H+D)) +
" L "+this.CHTMLpx(p)+","+this.CHTMLpx(H+D) +
" L "+this.CHTMLpx(2*p)+",1 L "+this.CHTMLpx(W)+",1"
});
this.CHTMLsvgViewBox(svg);
}
/********************************************************/
},
//
// Pixels with no "px"
//
CHTMLpx: function (m) {
m *= CHTML.em;
if (Math.abs(m) < .1) return "0";
return m.toFixed(1).replace(/\.0$/,"");
},
//
// Create the SVG element and position it over the
// contents
//
CHTMLsvg: function (node,bbox,t) {
var svg = document.createElementNS(SVGNS,"svg");
if (svg.style) {
svg.style.width = CHTML.Em(bbox.W);
svg.style.height = CHTML.Em(bbox.H+bbox.D);
svg.style.verticalAlign = CHTML.Em(-bbox.D);
svg.style.marginLeft = CHTML.Em(-bbox.W);
}
var g = this.CHTMLsvgElement(svg,"g",{"stroke-width":CHTML.Px(t)});
if (this.CHTML.scale !== 1) {
g.setAttribute('transform', 'scale('+this.CHTML.scale+')');
}
node.parentNode.appendChild(svg);
return svg;
},
//
CHTMLsvgViewBox: function (svg) {
var bbox = svg.getBBox();
svg.setAttribute('viewBox', [bbox.x, bbox.y, bbox.width, bbox.height].join(' '));
},
//
// Add an SVG element to the given svg node
//
CHTMLsvgElement: function (svg,type,def) {
var obj = document.createElementNS(SVGNS,type); obj.isMathJax = true;
if (def) {for (var id in def) {if (def.hasOwnProperty(id)) {obj.setAttributeNS(null,id,def[id].toString())}}}
svg.appendChild(obj);
return obj;
}
});
//
// Just use default toCommonHTML for EI8
//
if (!document.createElementNS) delete MML.menclose.prototype.toCommonHTML;
MathJax.Hub.Startup.signal.Post("CommonHTML menclose Ready");
MathJax.Ajax.loadComplete(CHTML.autoloadDir+"/menclose.js");
});

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/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/jax/output/CommonHTML/autoload/mglyph.js
*
* Implements the CommonHTML output for <mglyph> elements.
*
* ---------------------------------------------------------------------
*
* Copyright (c) 2015-2020 The MathJax Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
var VERSION = "2.7.8";
var MML = MathJax.ElementJax.mml,
CHTML = MathJax.OutputJax.CommonHTML,
LOCALE = MathJax.Localization;
MML.mglyph.Augment({
toCommonHTML: function (node,options) {
var values = this.getValues("src","width","height","valign","alt");
node = this.CHTMLcreateNode(node);
this.CHTMLhandleStyle(node);
this.CHTMLhandleScale(node);
if (values.src === "") {
var index = this.Get("index");
this.CHTMLgetVariant();
if (index && this.CHTMLvariant.style)
this.CHTMLhandleText(node,String.fromCharCode(index),this.CHTMLvariant);
} else {
var bbox = this.CHTML;
if (!bbox.img) bbox.img = MML.mglyph.GLYPH[values.src];
if (!bbox.img) {
bbox.img = MML.mglyph.GLYPH[values.src] = {img: new Image(), status: "pending"};
bbox.img.img.onload = MathJax.Callback(["CHTMLimgLoaded",this]);
bbox.img.img.onerror = MathJax.Callback(["CHTMLimgError",this]);
bbox.img.img.src = values.src;
MathJax.Hub.RestartAfter(bbox.img.img.onload);
}
if (bbox.img.status !== "OK") {
var err = MML.Error(LOCALE._(["MathML","BadMglyph"],"Bad mglyph: %1",values.src));
err.data[0].data[0].mathsize = "75%";
this.Append(err); err.toCommonHTML(node); this.data.pop();
bbox.combine(err.CHTML,0,0,1);
} else {
var img = CHTML.addElement(node,"img",{
isMathJax:true, src:values.src, alt:values.alt, title:values.alt
});
var w = values.width, h = values.height;
var W = bbox.img.img.width/CHTML.em, H = bbox.img.img.height/CHTML.em;
var WW = W, HH = H;
if (w !== "") {W = this.CHTMLlength2em(w,WW); H = (WW ? W/WW * HH : 0)}
if (h !== "") {H = this.CHTMLlength2em(h,HH); if (w === "") W = (HH ? H/HH * WW : 0)}
img.style.width = CHTML.Em(W); bbox.w = bbox.r = W;
img.style.height = CHTML.Em(H); bbox.h = bbox.t = H;
if (values.valign) {
bbox.d = bbox.b = -this.CHTMLlength2em(values.valign,HH);
img.style.verticalAlign = CHTML.Em(-bbox.d);
bbox.h -= bbox.d; bbox.t = bbox.h;
}
}
}
this.CHTMLhandleSpace(node);
this.CHTMLhandleBBox(node);
this.CHTMLhandleColor(node);
return node;
},
CHTMLimgLoaded: function (event,status) {
if (typeof(event) === "string") status = event;
this.CHTML.img.status = (status || "OK");
},
CHTMLimgError: function () {this.CHTML.img.img.onload("error")}
},{
GLYPH: {} // global list of all loaded glyphs
});
MathJax.Hub.Startup.signal.Post("CommonHTML mglyph Ready");
MathJax.Ajax.loadComplete(CHTML.autoloadDir+"/mglyph.js");
});

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@@ -0,0 +1,296 @@
/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/jax/output/CommonHTML/autoload/mmultiscripts.js
*
* Implements the CommonHTML output for <mmultiscripts> elements.
*
* ---------------------------------------------------------------------
*
* Copyright (c) 2015-2020 The MathJax Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
var VERSION = "2.7.8";
var MML = MathJax.ElementJax.mml,
CHTML = MathJax.OutputJax.CommonHTML;
MML.mmultiscripts.Augment({
toCommonHTML: function (node,options) {
var stretch = (options||{}).stretch;
if (!stretch) {
node = this.CHTMLcreateNode(node);
this.CHTMLhandleStyle(node);
this.CHTMLgetVariant();
this.CHTMLhandleScale(node);
}
CHTML.BBOX.empty(this.CHTML);
//
// Get base node
//
var base, bbox;
if (stretch) {
base = CHTML.getNode(node,"mjx-base");
} else {
this.CHTMLaddChild(node,0,{type:"mjx-base", noBBox:true, forceChild:true});
base = node.firstChild;
}
bbox = this.CHTMLbboxFor(0);
if (bbox.ic) {
bbox.R -= bbox.ic; // remove IC (added by mo and mi)
if (!stretch) base.style.marginRight = CHTML.Em(-bbox.ic);
delta = 1.3*bbox.ic + .05; // make faked IC be closer to expeted results
}
//
// Collect scripts into horizontal boxes and add them into the node
//
var BOX = {}, BBOX = {};
this.CHTMLgetScripts(BOX,BBOX,stretch,node);
var sub = BOX.sub, sup = BOX.sup, presub = BOX.presub, presup = BOX.presup;
var sbox = BBOX.sub, Sbox = BBOX.sup, pbox = BBOX.presub, Pbox = BBOX.presup;
if (!stretch) this.CHTMLaddBoxes(node,base,BOX);
//
// Get the initial values for the variables
//
var values = this.getValues("scriptlevel","scriptsizemultiplier");
var sscale = (this.Get("scriptlevel") < 3 ? values.scriptsizemultiplier : 1);
var ex = CHTML.TEX.x_height, s = CHTML.TEX.scriptspace;
var q = CHTML.TEX.sup_drop * sscale, r = CHTML.TEX.sub_drop * sscale;
var u = bbox.h - q, v = bbox.d + r, delta = 0, p;
var bmml = this.data[this.base];
if (bmml && (bmml.type === "mi" || bmml.type === "mo")) {
if (CHTML.isChar(bmml.data.join("")) && bbox.rscale === 1 && !bbox.sH &&
!bmml.Get("largeop")) {u = v = 0}
}
values = this.getValues("displaystyle","subscriptshift","superscriptshift","texprimestyle");
values.subscriptshift = (values.subscriptshift === "" ? 0 : this.CHTMLlength2em(values.subscriptshift));
values.superscriptshift = (values.superscriptshift === "" ? 0 : this.CHTMLlength2em(values.superscriptshift));
var dx = (presub ? s+pbox.w : presup ? s+Pbox.w-delta : 0);
this.CHTML.combine(bbox,dx,0); var x = this.CHTML.w;
//
// Place the scripts as needed
//
if (!sup && !presup) {
v = Math.max(v,CHTML.TEX.sub1,values.subscriptshift);
if (sub) v = Math.max(v,sbox.h-(4/5)*ex);
if (presub) v = Math.max(v,pbox.h-(4/5)*ex);
if (sub) this.CHTMLplaceSubOnly(sub,sbox,x,v,s);
if (presub) this.CHTMLplacePresubOnly(presub,pbox,v,s);
} else {
if (!sub && !presub) {
p = CHTML.TEX[(values.displaystyle ? "sup1" : (values.texprimestyle ? "sup3" : "sup2"))];
u = Math.max(u,p,values.superscriptshift);
if (sup) u = Math.max(u,Sbox.d+(1/4)*ex);
if (presup) u = Math.max(u,Pbox.d+(1/4)*ex);
if (sup) this.CHTMLplaceSupOnly(sup,Sbox,x,delta,u,s);
if (presup) this.CHTMLplacePresupOnly(presup,Pbox,delta,u,s);
} else {
v = Math.max(v,CHTML.TEX.sub2);
var t = CHTML.TEX.rule_thickness;
var h = (sbox||pbox).h, d = (Sbox||Pbox).d;
if (presub) h = Math.max(h,pbox.h);
if (presup) d = Math.max(d,Pbox.d);
if ((u - d) - (h - v) < 3*t) {
v = 3*t - u + d + h; q = (4/5)*ex - (u - d);
if (q > 0) {u += q; v -= q}
}
u = Math.max(u,values.superscriptshift);
v = Math.max(v,values.subscriptshift);
if (sup) {
if (sub) {this.CHTMLplaceSubSup(sub,sbox,sup,Sbox,x,delta,u,v,s)}
else {this.CHTMLplaceSupOnly(sup,Sbox,x,delta,u,s)}
} else if (sub) {this.CHTMLplaceSubOnly(sub,sbox,x,v,s)}
if (presup) {
if (presub) {this.CHTMLplacePresubPresup(presub,pbox,presup,Pbox,delta,u,v,s)}
else {this.CHTMLplacePresupOnly(presup,Pbox,delta,u,s)}
} else if (presub) {this.CHTMLplacePresubOnly(presub,pbox,v,s)}
}
}
this.CHTML.clean();
this.CHTMLhandleSpace(node);
this.CHTMLhandleBBox(node);
this.CHTMLhandleColor(node);
return node;
},
//
// Get the subscript, superscript, presubscript, and presuperscript
// boxes, with proper spacing, and computer their bounding boxes.
//
CHTMLgetScripts: function (BOX,BBOX,stretch,node) {
if (stretch) {
BOX.sub = CHTML.getNode(node,"mjx-sub");
BOX.sup = CHTML.getNode(node,"mjx-sup");
BOX.presub = CHTML.getNode(node,"mjx-presub");
BOX.presup = CHTML.getNode(node,"mjx-presup");
BBOX.sub = this.CHTMLbbox.sub;
BBOX.sup = this.CHTMLbbox.sup;
BBOX.presub = this.CHTMLbbox.presub;
BBOX.presup = this.CHTMLbbox.presup;
return;
}
this.CHTMLbbox = BBOX; // save for when stretched
var state = {i:1, w:0, BOX:BOX, BBOX:BBOX}, m = this.data.length;
var sub = "sub", sup = "sup";
while (state.i < m) {
if ((this.data[state.i]||{}).type === "mprescripts") {
state.i++; state.w = 0;
sub = "presub"; sup = "presup";
} else {
var sbox = this.CHTMLaddScript(sub,state,node);
var Sbox = this.CHTMLaddScript(sup,state,node);
var w = Math.max((sbox ? sbox.rscale*sbox.w : 0),(Sbox ? Sbox.rscale*Sbox.w : 0));
this.CHTMLpadScript(sub,w,sbox,state);
this.CHTMLpadScript(sup,w,Sbox,state);
state.w += w;
}
}
if (BBOX.sub) BBOX.sub.clean();
if (BBOX.sup) BBOX.sup.clean();
if (BBOX.presub) BBOX.presub.clean();
if (BBOX.presup) BBOX.presup.clean();
},
//
// Add a script to the proper box, creating the box if needed,
// and padding the box to account for any <none/> elements.
// Return the bounding box for the script for later use.
//
CHTMLaddScript: function (type,state,node) {
var BOX, BBOX, data = this.data[state.i];
if (data && data.type !== "none" && data.type !== "mprescripts") {
BOX = state.BOX[type];
if (!BOX) {
//
// Add the box to the node temporarily so that it is in the DOM
// (so that CHTMLnodeElement() can be used in the toCommonHTML() below).
// See issue #1480.
//
BOX = state.BOX[type] = CHTML.addElement(node,"mjx-"+type);
BBOX = state.BBOX[type] = CHTML.BBOX.empty();
if (state.w) {
BOX.style.paddingLeft = CHTML.Em(state.w);
BBOX.w = BBOX.r = state.w; BBOX.x = state.w;
}
}
data.toCommonHTML(BOX);
BBOX = data.CHTML;
}
if (data && data.type !== "mprescripts") state.i++;
return BBOX;
},
//
// Add padding to the script box to make match the width of the
// super- or subscript that is above or below it, and adjust the
// bounding box for the script row. If these are pre-scripts,
// right-justify the scripts, otherwise, left-justify them.
//
CHTMLpadScript: function (type,w,bbox,state) {
if (!bbox) bbox = {w:0, fake:1, rscale:1};
var BBOX = state.BBOX[type], dx = 0, dw = 0;
if (BBOX) {
if (bbox.rscale*bbox.w < w) {
var BOX = state.BOX[type]; dw = w-bbox.rscale*bbox.w;
var space = CHTML.Element("mjx-spacer",{style:{width:CHTML.Em(dw)}});
if (type.substr(0,3) === "pre" && !bbox.fake) {
BOX.insertBefore(space,BOX.lastChild);
dx = dw; dw = 0;
} else {
BOX.appendChild(space);
}
}
if (bbox.fake) {BBOX.w += dx} else {BBOX.combine(bbox,BBOX.w+dx,0)}
BBOX.w += dw;
}
},
//
// Add the boxes into the main node, creating stacks when needed
//
CHTMLaddBoxes: function (node,base,BOX) {
var sub = BOX.sub, sup = BOX.sup, presub = BOX.presub, presup = BOX.presup;
if (presub && presup) {
var prestack = CHTML.Element("mjx-prestack"); node.insertBefore(prestack,base);
prestack.appendChild(presup); prestack.appendChild(presub);
} else {
if (presub) node.insertBefore(presub,base);
if (presup) node.insertBefore(presup,base);
}
if (sub && sup) {
var stack = CHTML.addElement(node,"mjx-stack");
stack.appendChild(sup); stack.appendChild(sub);
} else {
if (sub) node.appendChild(sub);
if (sup) node.appendChild(sup);
}
},
//
// Handle positioning the various scripts
//
CHTMLplaceSubOnly: function (sub,sbox,x,v,s) {
sub.style.verticalAlign = CHTML.Em(-v);
sub.style.marginRight = CHTML.Em(s); sbox.w += s;
this.CHTML.combine(sbox,x,-v);
},
CHTMLplaceSupOnly: function (sup,Sbox,x,delta,u,s) {
sup.style.verticalAlign = CHTML.Em(u);
sup.style.paddingLeft = CHTML.Em(delta);
sup.style.paddingRight = CHTML.Em(s); Sbox.w += s;
this.CHTML.combine(Sbox,x+delta,u);
},
CHTMLplaceSubSup: function (sub,sbox,sup,Sbox,x,delta,u,v,s) {
sub.style.paddingRight = CHTML.Em(s); sbox.w += s;
sup.style.paddingBottom = CHTML.Em(u+v-Sbox.d-sbox.h);
sup.style.paddingLeft = CHTML.Em(delta+(Sbox.x||0));
sup.style.paddingRight = CHTML.Em(s); Sbox.w += s;
sup.parentNode.style.verticalAlign = CHTML.Em(-v);
this.CHTML.combine(sbox,x,-v);
this.CHTML.combine(Sbox,x+delta,u);
},
CHTMLplacePresubOnly: function (presub,pbox,v,s) {
presub.style.verticalAlign = CHTML.Em(-v);
presub.style.marginLeft = CHTML.Em(s);
this.CHTML.combine(pbox,s,-v);
},
CHTMLplacePresupOnly: function (presup,Pbox,delta,u,s) {
presup.style.verticalAlign = CHTML.Em(u);
presup.style.paddingLeft = CHTML.Em(s);
presup.style.paddingRight = CHTML.Em(-delta);
this.CHTML.combine(Pbox,s,u);
},
CHTMLplacePresubPresup: function (presub,pbox,presup,Pbox,delta,u,v,s) {
presub.style.paddingLeft = CHTML.Em(s);
presup.style.paddingBottom = CHTML.Em(u+v-Pbox.d-pbox.h);
presup.style.paddingLeft = CHTML.Em(delta+s+(Pbox.x||0));
presup.style.paddingRight = CHTML.Em(-delta);
presup.parentNode.style.verticalAlign = CHTML.Em(-v);
this.CHTML.combine(pbox,s,-v);
this.CHTML.combine(Pbox,s+delta,u);
},
//
// Handle stretchy bases
//
CHTMLstretchH: MML.mbase.CHTMLstretchH,
CHTMLstretchV: MML.mbase.CHTMLstretchV
});
MathJax.Hub.Startup.signal.Post("CommonHTML mmultiscripts Ready");
MathJax.Ajax.loadComplete(CHTML.autoloadDir+"/mmultiscripts.js");
});

View File

@@ -0,0 +1,73 @@
/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/jax/output/CommonHTML/autoload/ms.js
*
* Implements the CommonHTML output for <ms> elements.
*
* ---------------------------------------------------------------------
*
* Copyright (c) 2015-2020 The MathJax Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
var VERSION = "2.7.8";
var MML = MathJax.ElementJax.mml,
CHTML = MathJax.OutputJax.CommonHTML;
MML.ms.Augment({
toCommonHTML: function (node) {
//
// Create the node and handle its styles and scaling
// Get the variant and an empty bounding box
//
node = this.CHTMLcreateNode(node);
this.CHTMLhandleStyle(node);
this.CHTMLgetVariant();
this.CHTMLhandleScale(node);
CHTML.BBOX.empty(this.CHTML);
//
// Get the quotes to use
//
var values = this.getValues("lquote","rquote","mathvariant");
if (!this.hasValue("lquote") || values.lquote === '"') values.lquote = "\u201C";
if (!this.hasValue("rquote") || values.rquote === '"') values.rquote = "\u201D";
if (values.lquote === "\u201C" && values.mathvariant === "monospace") values.lquote = '"';
if (values.rquote === "\u201D" && values.mathvariant === "monospace") values.rquote = '"';
//
// Add the left quote, the child nodes, and the right quote
//
var text = values.lquote+this.data.join("")+values.rquote; // FIXME: handle mglyph?
this.CHTMLhandleText(node,text,this.CHTMLvariant);
//
// Finish the bbox, add any needed space and color
//
this.CHTML.clean();
this.CHTMLhandleSpace(node);
this.CHTMLhandleBBox(node);
this.CHTMLhandleColor(node);
//
// Return the completed node
//
return node;
}
});
MathJax.Hub.Startup.signal.Post("CommonHTML ms Ready");
MathJax.Ajax.loadComplete(CHTML.autoloadDir+"/ms.js");
});

View File

@@ -0,0 +1,602 @@
/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/jax/output/CommonHTML/autoload/mtable.js
*
* Implements the CommonHTML output for <mtable> elements.
*
* ---------------------------------------------------------------------
*
* Copyright (c) 2015-2020 The MathJax Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
var VERSION = "2.7.8";
var MML = MathJax.ElementJax.mml,
CONFIG = MathJax.Hub.config,
CHTML = MathJax.OutputJax.CommonHTML,
SPLIT = MathJax.Hub.SplitList;
var LABEL = -1,
BIGDIMEN = 1000000;
MML.mtable.Augment({
toCommonHTML: function (node) {
//
// Create the table nodes and put them in a table
// (so that its bottom is on the baseline, rather than aligned on the top row)
//
var state = {rows:[], labels:[], labeled: false};
node = this.CHTMLdefaultNode(node,{noBBox:true, childOptions:state});
var table = CHTML.Element("mjx-table");
while (node.firstChild) table.appendChild(node.firstChild);
node.appendChild(table);
//
// Get the table attributes
//
var values = this.getValues("columnalign","rowalign","columnspacing","rowspacing",
"columnwidth","equalcolumns","equalrows",
"columnlines","rowlines","frame","framespacing",
"align","width","side","minlabelspacing","useHeight");
var t = CHTML.TEX.min_rule_thickness/CHTML.em;
state.t = CHTML.Px(t*this.CHTML.scale,1);
//
// Create the table
//
this.CHTMLgetBoxSizes(values,state);
this.CHTMLgetAttributes(values,state);
this.CHTMLadjustCells(values,state);
if (values.frame) table.style.border = state.t+" "+values.frame;
this.CHTMLalignV(values,state,node);
this.CHTMLcolumnWidths(values,state,node);
this.CHTMLstretchCells(values,state);
if (state.labeled) this.CHTMLaddLabels(values,state,node,table);
//
// Set the bounding box (ignores overlapping outside of the table)
//
var BBOX = this.CHTML;
BBOX.w = BBOX.r = state.R;
BBOX.h = BBOX.t = state.T-state.B;
BBOX.d = BBOX.b = state.B;
if (!values.frame && !BBOX.pwidth) {
node.style.padding = "0 "+CHTML.Em(1/6);
BBOX.L = BBOX.R = 1/6;
}
//
// Add any needed space and color
//
this.CHTMLhandleSpace(node);
this.CHTMLhandleBBox(node);
this.CHTMLhandleColor(node);
//
// Return the completed node
//
return node;
},
//
// Get the natural height, depth, and widths of the rows and columns
//
CHTMLgetBoxSizes: function (values,state) {
var LH = CHTML.FONTDATA.lineH * values.useHeight,
LD = CHTML.FONTDATA.lineD * values.useHeight;
var H = [], D = [], W = [], J = -1, i, m;
for (i = 0, m = this.data.length; i < m; i++) {
var row = this.data[i], s = (row.type === "mtr" ? 0 : LABEL);
H[i] = LH; D[i] = LD;
for (var j = s, M = row.data.length + s; j < M; j++) {
if (W[j] == null) {W[j] = -BIGDIMEN; if (j > J) J = j}
var cbox = row.data[j-s].CHTML;
if (cbox.h > H[i]) H[i] = cbox.h;
if (cbox.d > D[i]) D[i] = cbox.d;
if (cbox.w > W[j]) W[j] = cbox.w;
}
}
if (values.equalrows) {
state.HD = true;
var HH = Math.max.apply(Math,H);
var DD = Math.max.apply(Math,D);
for (i = 0, m = H.length; i < m; i++) {H[i] = HH; D[i] = DD}
}
state.H = H; state.D = D; state.W = W, state.J = J;
},
//
// Pad the spacing and alignment attributes to match the size of the table
//
CHTMLgetAttributes: function (values,state) {
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 = [], i, m, J = state.J, M = state.rows.length-1;
for (i = 0, m = CSPACE.length; i < m; i++) CSPACE[i] = this.CHTMLlength2em(CSPACE[i]);
for (i = 0, m = RSPACE.length; i < m; i++) RSPACE[i] = this.CHTMLlength2em(RSPACE[i]);
while (CSPACE.length < J) CSPACE.push(CSPACE[CSPACE.length-1]);
while (CALIGN.length <= J) CALIGN.push(CALIGN[CALIGN.length-1]);
while (CLINES.length < J) CLINES.push(CLINES[CLINES.length-1]);
while (CWIDTH.length <= J) CWIDTH.push(CWIDTH[CWIDTH.length-1]);
while (RSPACE.length < M) RSPACE.push(RSPACE[RSPACE.length-1]);
while (RALIGN.length <= M) RALIGN.push(RALIGN[RALIGN.length-1]);
while (RLINES.length < M) RLINES.push(RLINES[RLINES.length-1]);
CALIGN[LABEL] = (values.side.substr(0,1) === "l" ? "left" : "right");
//
// Override aligment data based on row-specific attributes
//
for (i = 0; i <= M; i++) {
var row = this.data[i]; RCALIGN[i] = [];
if (row.rowalign) RALIGN[i] = row.rowalign;
if (row.columnalign) {
RCALIGN[i] = SPLIT(row.columnalign);
while (RCALIGN[i].length <= J) RCALIGN[i].push(RCALIGN[i][RCALIGN[i].length-1]);
}
}
//
// Handle framespacing
//
var FSPACE = SPLIT(values.framespacing);
if (FSPACE.length != 2) FSPACE = SPLIT(this.defaults.framespacing);
FSPACE[0] = Math.max(0,this.CHTMLlength2em(FSPACE[0]));
FSPACE[1] = Math.max(0,this.CHTMLlength2em(FSPACE[1]));
if (values.columnlines.replace(/none/g,"").replace(/ /g,"") !== "" ||
values.rowlines.replace(/none/g,"").replace(/ /g,"") !== "") values.fspace = true;
//
// Pad arrays so that final column can be treated as all the others
//
if (values.frame === MML.LINES.NONE) delete values.frame; else values.fspace = true;
if (values.frame) {
FSPACE[0] = Math.max(0,FSPACE[0]);
FSPACE[1] = Math.max(0,FSPACE[1]);
}
if (values.fspace) {
CSPACE[J] = FSPACE[0]; RSPACE[M] = FSPACE[1];
} else {
CSPACE[J] = RSPACE[M] = 0;
}
CLINES[J] = RLINES[M] = MML.LINES.NONE;
//
// Save everything in the state
//
state.CSPACE = CSPACE; state.RSPACE = RSPACE;
state.CALIGN = CALIGN; state.RALIGN = RALIGN;
state.CLINES = CLINES; state.RLINES = RLINES;
state.CWIDTH = CWIDTH; state.RCALIGN = RCALIGN;
state.FSPACE = FSPACE;
},
//
// Add styles to cells to handle borders, spacing, alignment, etc.
//
CHTMLadjustCells: function(values,state) {
var ROWS = state.rows,
CSPACE = state.CSPACE, CLINES = state.CLINES,
RSPACE = state.RSPACE, RLINES = state.RLINES,
CALIGN = state.CALIGN, RALIGN = state.RALIGN,
RCALIGN = state.RCALIGN;
CSPACE[state.J] *= 2; RSPACE[ROWS.length-1] *= 2; // since halved below
var T = "0", B, R, L, border, cbox, align, lastB = 0;
if (values.fspace) {
lastB = state.FSPACE[1];
T = CHTML.Em(state.FSPACE[1]);
}
state.RHD = []; state.RH = [];
for (var i = 0, m = ROWS.length; i < m; i++) {
var row = ROWS[i], rdata = this.data[i];
//
// Space and borders between rows
//
B = RSPACE[i]/2; border = null; L = "0";
if (RLINES[i] !== MML.LINES.NONE && RLINES[i] !== "") border = state.t+" "+RLINES[i];
if (border || (CLINES[j] !== MML.LINES.NONE && CLINES[j] !== "")) {
while (row.length <= state.J) {
row.push(CHTML.addElement(row.node,"mjx-mtd",null,[['span']]));
}
}
state.RH[i] = lastB + state.H[i]; // distance to baseline in row
lastB = Math.max(0,B);
state.RHD[i] = state.RH[i] + lastB + state.D[i]; // total height of row
B = CHTML.Em(lastB);
//
// Frame space for initial cell
//
if (values.fspace) L = CHTML.Em(state.FSPACE[0]);
//
// The cells in the row
//
for (var j = 0, M = row.length; j < M; j++) {
var s = (rdata.type === "mtr" ? 0 : LABEL);
var mtd = rdata.data[j-s] || {CHTML: CHTML.BBOX.zero()};
var cell = row[j].style; cbox = mtd.CHTML;
//
// Space and borders between columns
//
R = CSPACE[j]/2;
if (CLINES[j] !== MML.LINES.NONE) {
cell.borderRight = state.t+" "+CLINES[j];
R -= 1/CHTML.em/2;
}
R = CHTML.Em(Math.max(0,R));
cell.padding = T+" "+R+" 0px "+L;
if (border) cell.borderBottom = border;
L = R;
//
// Handle vertical alignment
//
align = (mtd.rowalign||(this.data[i]||{}).rowalign||RALIGN[i]);
var H = Math.max(1,cbox.h), D = Math.max(.2,cbox.d),
HD = (state.H[i]+state.D[i]) - (H+D),
child = row[j].firstChild.style;
if (align === MML.ALIGN.TOP) {
if (HD) child.marginBottom = CHTML.Em(HD);
cell.verticalAlign = "top";
} else if (align === MML.ALIGN.BOTTOM) {
cell.verticalAlign = "bottom";
if (HD) child.marginTop = CHTML.Em(HD);
} else if (align === MML.ALIGN.CENTER) {
if (HD) child.marginTop = child.marginBottom = CHTML.Em(HD/2);
cell.verticalAlign = "middle";
} else {
if (H !== state.H[i]) child.marginTop = CHTML.Em(state.H[i]-H);
}
//
// Handle horizontal alignment
//
align = (mtd.columnalign||RCALIGN[i][j]||CALIGN[j]);
if (align !== MML.ALIGN.CENTER) cell.textAlign = align;
}
row.node.style.height = CHTML.Em(state.RHD[i]);
T = B;
}
CSPACE[state.J] /= 2; RSPACE[ROWS.length-1] /= 2; // back to normal
},
//
// Align the table vertically according to the align attribute
//
CHTMLalignV: function (values,state,node) {
var n, M = state.rows.length, H = state.H, D = state.D, RSPACE = state.RSPACE;
//
// Get alignment type and row number
//
if (typeof(values.align) !== "string") values.align = String(values.align);
if (values.align.match(/(top|bottom|center|baseline|axis)( +(-?\d+))?/)) {
n = parseInt(RegExp.$3||"0");
values.align = RegExp.$1
if (n < 0) n += state.rows.length + 1;
if (n > M || n <= 0) n = null;
} else {
values.align = this.defaults.align;
}
//
// Get table height and baseline offset
//
var T = 0, B = 0, a = CHTML.TEX.axis_height;
if (values.fspace) T += state.FSPACE[1];
if (values.frame) {T += 2/CHTML.em; B += 1/CHTML.em}
for (var i = 0; i < M; i++) {
var h = H[i], d = D[i];
T += h + d + RSPACE[i];
if (n) {
if (i === n-1) {
B += ({top:h+d, bottom:0, center:(h+d)/2,
baseline:d, axis:a+d})[values.align] + RSPACE[i];
}
if (i >= n) B += h + d + RSPACE[i];
}
}
if (!n) B = ({top:T, bottom:0, center:T/2, baseline:T/2, axis:T/2-a})[values.align];
//
// Place the node and save the values
//
if (B) node.style.verticalAlign = CHTML.Em(-B);
state.T = T; state.B = B;
},
//
// Determine column widths and set the styles for the columns
//
CHTMLcolumnWidths: function (values,state,node) {
var CWIDTH = state.CWIDTH, CSPACE = state.CSPACE, J = state.J, j;
var WW = 0, setWidths = false, relWidth = values.width.match(/%$/);
var i, m, w;
//
// Handle equal columns by adjusting the CWIDTH array
//
if (values.width !== "auto" && !relWidth) {
WW = Math.max(0,this.CHTMLlength2em(values.width,state.R));
setWidths = true;
}
if (values.equalcolumns) {
if (relWidth) {
//
// Use percent of total (not perfect, but best we can do)
//
var p = CHTML.Percent(1/(J+1));
for (j = 0; j <= J; j++) CWIDTH[j] = p;
} else {
//
// For width = auto, make all widths equal the widest,
// otherwise, for specific width, remove intercolumn space
// and divide by number of columns to get widest space.
//
w = Math.max.apply(Math,state.W);
if (values.width !== "auto") {
var S = (values.fspace ? state.FSPACE[0] + (values.frame ? 2/CHTML.em : 0) : 0);
for (j = 0; j <= J; j++) S += CSPACE[j];
w = Math.max((WW-S)/(J+1),w);
}
w = CHTML.Em(w);
for (j = 0; j <= J; j++) CWIDTH[j] = w;
}
setWidths = true;
}
//
// Compute natural table width
//
var TW = 0; if (values.fspace) TW = state.FSPACE[0];
var auto = [], fit = [], percent = [], W = [];
var row = state.rows[0];
for (j = 0; j <= J; j++) {
W[j] = state.W[j];
if (CWIDTH[j] === "auto") auto.push(j)
else if (CWIDTH[j] === "fit") fit.push(j)
else if (CWIDTH[j].match(/%$/)) percent.push(j)
else W[j] = this.CHTMLlength2em(CWIDTH[j],W[j]);
TW += W[j] + CSPACE[j];
if (row[j]) row[j].style.width = CHTML.Em(W[j]);
}
if (values.frame) TW += 2/CHTML.em;
var hasFit = (fit.length > 0);
//
// Adjust widths of columns
//
if (setWidths || (relWidth && hasFit)) {
if (relWidth) {
//
// Attach appropriate widths to the columns
//
for (j = 0; j <= J; j++) {
cell = row[j].style;
if (CWIDTH[j] === "auto" && !hasFit) cell.width = "";
else if (CWIDTH[j] === "fit") cell.width = "";
else if (CWIDTH[j].match(/%$/)) cell.width = CWIDTH[j];
else cell.minWidth = cell.maxWidth = cell.width;
}
} else {
//
// Compute percentage widths
//
if (WW > TW) {
var extra = 0;
for (i = 0, m = percent.length; i < m; i++) {
j = percent[i];
w = Math.max(W[j],this.CHTMLlength2em(CWIDTH[j],WW));
extra += w-W[j]; W[j] = w;
row[j].style.width = CHTML.Em(w);
}
TW += extra;
}
//
// Compute "fit" widths
//
if (!hasFit) fit = auto;
if (WW > TW && fit.length) {
var dw = (WW - TW) / fit.length;
for (i = 0, m = fit.length; i < m; i++) {
j = fit[i]; W[j] += dw;
row[j].style.width = CHTML.Em(W[j]);
}
TW = WW;
}
}
}
W[LABEL] = state.W[LABEL];
state.W = W;
state.R = TW;
//
// Set variable width on DOM nodes
//
if (relWidth) {
node.style.width = this.CHTML.pwidth = "100%";
this.CHTML.mwidth = CHTML.Em(TW);
node.firstChild.style.width = values.width;
node.firstChild.style.margin = "auto";
}
},
//
// Stretch any cells that can be stretched
//
CHTMLstretchCells: function (values,state) {
var ROWS = state.rows, H = state.H, D = state.D, W = state.W,
J = state.J, M = ROWS.length-1;
for (var i = 0; i <= M; i++) {
var row = ROWS[i], rdata = this.data[i];
var h = H[i], d = D[i];
for (var j = 0; j <= J; j++) {
var cell = row[j], cdata = rdata.data[j];
if (!cdata) continue;
if (cdata.CHTML.stretch === "V") cdata.CHTMLstretchV(h,d);
else if (cdata.CHTML.stretch === "H") cdata.CHTMLstretchH(cell,W[j]);
}
}
},
//
// Add labels to a table
//
CHTMLaddLabels: function (values,state,node,table) {
//
// Get indentation and alignment
//
var indent = this.getValues("indentalignfirst","indentshiftfirst","indentalign","indentshift");
if (indent.indentalignfirst !== MML.INDENTALIGN.INDENTALIGN) indent.indentalign = indent.indentalignfirst;
if (indent.indentalign === MML.INDENTALIGN.AUTO) indent.indentalign = CONFIG.displayAlign;
if (indent.indentshiftfirst !== MML.INDENTSHIFT.INDENTSHIFT) indent.indentshift = indent.indentshiftfirst;
if (indent.indentshift === "auto") indent.indentshift = "0";
var shift = this.CHTMLlength2em(indent.indentshift,CHTML.cwidth);
var labelspace = this.CHTMLlength2em(values.minlabelspacing,.8);
var labelW = labelspace + state.W[LABEL], labelshift = 0, tw = state.R;
var dIndent = this.CHTMLlength2em(CONFIG.displayIndent,CHTML.cwidth);
var s = (state.CALIGN[LABEL] === MML.INDENTALIGN.RIGHT ? -1 : 1);
if (indent.indentalign === MML.INDENTALIGN.CENTER) {
tw += 2 * (labelW - s*(shift + dIndent));
shift += dIndent;
} else if (state.CALIGN[LABEL] === indent.indentalign) {
if (dIndent < 0) {labelshift = s*dIndent; dIndent = 0}
shift += s*dIndent; if (labelW > s*shift) shift = s*labelW; shift += labelshift;
shift *= s; tw += shift;
} else {
tw += labelW - s*shift + dIndent;
shift -= s*dIndent; shift *= -s;
}
//
// Create boxes for table and labels
//
var box = CHTML.addElement(node,"mjx-box",{
style:{width:"100%","text-align":indent.indentalign}
}); box.appendChild(table);
var labels = CHTML.Element("mjx-itable");
table.style.display = "inline-table"; if (!table.style.width) table.style.width = "auto";
labels.style.verticalAlign = "top";
table.style.verticalAlign = CHTML.Em(state.T-state.B-state.H[0]);
node.style.verticalAlign = "";
if (shift) {
if (indent.indentalign === MML.INDENTALIGN.CENTER) {
table.style.marginLeft = CHTML.Em(shift);
table.style.marginRight = CHTML.Em(-shift);
} else {
var margin = "margin" + (indent.indentalign === MML.INDENTALIGN.RIGHT ? "Right" : "Left");
table.style[margin] = CHTML.Em(shift);
}
}
//
// Add labels on correct side
//
if (state.CALIGN[LABEL] === "left") {
node.insertBefore(labels,box);
labels.style.marginRight = CHTML.Em(-state.W[LABEL]-labelshift);
if (labelshift) labels.style.marginLeft = CHTML.Em(labelshift);
} else {
node.appendChild(labels);
labels.style.marginLeft = CHTML.Em(-state.W[LABEL]+labelshift);
}
//
// Vertically align the labels with their rows
//
var LABELS = state.labels, T = 0;
if (values.fspace) T = state.FSPACE[0] + (values.frame ? 1/CHTML.em : 0);
for (var i = 0, m = LABELS.length; i < m; i++) {
if (LABELS[i] && this.data[i].data[0]) {
labels.appendChild(LABELS[i]);
var lbox = this.data[i].data[0].CHTML;
T = state.RH[i] - Math.max(1,lbox.h);
if (T) LABELS[i].firstChild.firstChild.style.marginTop = CHTML.Em(T);
LABELS[i].style.height = CHTML.Em(state.RHD[i]);
} else {
CHTML.addElement(labels,"mjx-label",{style:{height:CHTML.Em(state.RHD[i])}});
}
}
//
// Propagate full-width equations, and reserve room for equation plus label
//
node.style.width = this.CHTML.pwidth = "100%";
node.style.minWidth = this.CHTML.mwidth = CHTML.Em(Math.max(0,tw));
}
});
MML.mtr.Augment({
toCommonHTML: function (node,options) {
//
// Create the row node
//
node = this.CHTMLcreateNode(node);
this.CHTMLhandleStyle(node);
this.CHTMLhandleScale(node);
//
// Add a new row with no label
//
if (!options) options = {rows:[],labels:[]};
var row = []; options.rows.push(row); row.node = node;
options.labels.push(null);
//
// Add the cells to the row
//
for (var i = 0, m = this.data.length; i < m; i++)
row.push(this.CHTMLaddChild(node,i,options));
//
this.CHTMLhandleColor(node);
return node;
}
});
MML.mlabeledtr.Augment({
toCommonHTML: function (node,options) {
//
// Create the row node
//
node = this.CHTMLcreateNode(node);
this.CHTMLhandleStyle(node);
this.CHTMLhandleScale(node);
//
// Add a new row, and get the label
//
if (!options) options = {rows:[],labels:[]};
var row = []; options.rows.push(row); row.node = node;
var label = CHTML.Element("mjx-label"); options.labels.push(label);
this.CHTMLaddChild(label,0,options);
if (this.data[0]) options.labeled = true;
//
// Add the cells to the row
//
for (var i = 1, m = this.data.length; i < m; i++)
row.push(this.CHTMLaddChild(node,i,options));
//
this.CHTMLhandleColor(node);
return node;
}
});
MML.mtd.Augment({
toCommonHTML: function (node,options) {
node = this.CHTMLdefaultNode(node,options);
CHTML.addElement(node.firstChild,"mjx-strut"); // forces height to 1em (we adjust later)
//
// Determine if this is stretchy or not
//
if (this.isEmbellished()) {
var mo = this.CoreMO(), BBOX = this.CHTML;
if (mo.CHTMLcanStretch("Vertical")) BBOX.stretch = "V";
else if (mo.CHTMLcanStretch("Horizontal")) BBOX.stretch = "H";
if (BBOX.stretch) {
var min = mo.Get("minsize",true);
if (min) {
if (BBOX.stretch === "V") {
var HD = BBOX.h + BBOX.d;
if (HD) {
var r = this.CHTMLlength2em(min,HD)/HD;
if (r > 1) {BBOX.h *= r; BBOX.d *= r}
}
} else {
BBOX.w = Math.max(BBOX.w,this.CHTMLlength2em(min,BBOX.w));
}
}
}
}
return node;
}
});
MathJax.Hub.Startup.signal.Post("CommonHTML mtable Ready");
MathJax.Ajax.loadComplete(CHTML.autoloadDir+"/mtable.js");
});

View File

@@ -0,0 +1,797 @@
/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/jax/output/CommonHTML/autoload/multiline.js
*
* Implements the CommonHTML output for <mrow>'s that contain line breaks.
*
* ---------------------------------------------------------------------
*
* Copyright (c) 2015-2020 The MathJax Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
var VERSION = "2.7.8";
var MML = MathJax.ElementJax.mml,
CONFIG = MathJax.Hub.config,
CHTML = MathJax.OutputJax.CommonHTML;
//
// Fake node used for testing end-of-line potential breakpoint
//
var MO = MML.mo().With({CHTML: CHTML.BBOX.empty()});
//
// Penalties for the various line breaks
//
var PENALTY = {
newline: 0,
nobreak: 1000000,
goodbreak: [-200],
badbreak: [+200],
auto: [0],
maxwidth: 1.33, // stop looking for breaks after this time the line-break width
toobig: 800,
nestfactor: 400,
spacefactor: -100,
spaceoffset: 2,
spacelimit: 1, // spaces larger than this get a penalty boost
fence: 500,
close: 500
};
var ENDVALUES = {linebreakstyle: "after"};
/**************************************************************************/
MML.mbase.Augment({
CHTMLlinebreakPenalty: PENALTY,
/****************************************************************/
//
// Handle breaking an mrow into separate lines
//
CHTMLmultiline: function (node) {
//
// Find the parent element and mark it as multiline
//
var parent = this;
while (parent.inferred || (parent.parent && parent.parent.type === "mrow" &&
parent.parent.isEmbellished())) {parent = parent.parent}
var isTop = ((parent.type === "math" && parent.Get("display") === "block") ||
parent.type === "mtd");
parent.isMultiline = true;
//
// Default values for the line-breaking parameters
//
var VALUES = this.getValues(
"linebreak","linebreakstyle","lineleading","linebreakmultchar",
"indentalign","indentshift",
"indentalignfirst","indentshiftfirst",
"indentalignlast","indentshiftlast"
);
if (VALUES.linebreakstyle === MML.LINEBREAKSTYLE.INFIXLINEBREAKSTYLE)
VALUES.linebreakstyle = this.Get("infixlinebreakstyle");
VALUES.lineleading = this.CHTMLlength2em(VALUES.lineleading,0.5);
//
// Break the math at its best line breaks
//
CHTML.BBOX.empty(this.CHTML);
var stack = CHTML.addElement(node,"mjx-stack");
var state = {
BBOX: this.CHTML,
n: 0, Y: 0,
scale: (this.CHTML.scale||1),
isTop: isTop,
values: {},
VALUES: VALUES
},
align = this.CHTMLgetAlign(state,{}),
shift = this.CHTMLgetShift(state,{},align),
start = [],
end = {
index:[], penalty:PENALTY.nobreak,
w:0, W:shift, shift:shift, scanW:shift,
nest: 0
},
broken = false;
while (this.CHTMLbetterBreak(end,state,true) &&
(end.scanW >= CHTML.linebreakWidth || end.penalty === PENALTY.newline)) {
this.CHTMLaddLine(stack,start,end.index,state,end.values,broken);
start = end.index.slice(0); broken = true;
align = this.CHTMLgetAlign(state,end.values);
shift = this.CHTMLgetShift(state,end.values,align);
end.W = end.shift = end.scanW = shift; end.penalty = PENALTY.nobreak;
}
state.isLast = true;
this.CHTMLaddLine(stack,start,[],state,ENDVALUES,broken);
if (parent.type === "math") {
node.style.width = stack.style.width = this.CHTML.pwidth = "100%";
}
this.CHTML.mwidth = CHTML.Em(this.CHTML.w);
this.CHTML.isMultiline = parent.CHTML.isMultiline = true;
stack.style.verticalAlign = CHTML.Em(state.d - this.CHTML.d);
return node;
},
/****************************************************************/
//
// Locate the next linebreak that is better than the current one
//
CHTMLbetterBreak: function (info,state,toplevel) {
if (this.isToken) return false; // FIXME: handle breaking of token elements
if (this.isEmbellished()) {
info.embellished = this;
return this.CoreMO().CHTMLbetterBreak(info,state);
}
if (this.linebreakContainer) return false;
//
// Get the current breakpoint position and other data
//
var index = info.index.slice(0), i = info.index.shift(),
m = this.data.length, W, w, scanW, broken = (info.index.length > 0), better = false;
if (i == null) i = -1; if (!broken) {i++; info.W += info.w; info.w = 0}
scanW = info.scanW = info.W; info.nest++;
//
// Look through the line for breakpoints,
// (as long as we are not too far past the breaking width)
//
while (i < m && (info.scanW < PENALTY.maxwidth*CHTML.linebreakWidth || info.w === 0)) {
if (this.data[i]) {
if (this.data[i].CHTMLbetterBreak(info,state)) {
better = true; index = [i].concat(info.index); W = info.W; w = info.w;
if (info.penalty === PENALTY.newline) {
info.index = index;
if (info.nest) {info.nest--}
return true;
}
}
scanW = (broken ? info.scanW : this.CHTMLaddWidth(i,info,scanW));
}
info.index = []; i++; broken = false;
}
//
// Check if end-of-line is a better breakpoint
//
if (toplevel && better) {
MO.parent = this.parent; MO.inherit = this.inherit;
if (MO.CHTMLbetterBreak(info,state)) {better = false; index = info.index}
}
if (info.nest) {info.nest--}
info.index = index;
if (better) {info.W = W; info.w = w}
return better;
},
CHTMLaddWidth: function (i,info,scanW) {
if (this.data[i]) {
var bbox = this.data[i].CHTML;
scanW += (bbox.w + (bbox.L||0) + (bbox.R||0)) * (bbox.scale || 1);
info.W = info.scanW = scanW; info.w = 0;
}
return scanW;
},
/****************************************************************/
//
// Create a new line and move the required elements into it
// Position it using proper alignment and indenting
//
CHTMLaddLine: function (stack,start,end,state,values,broken) {
//
// Create a box for the line, with empty BBox
// fill it with the proper elements,
// and clean up the bbox
//
var block = CHTML.addElement(stack,"mjx-block",{},[["mjx-box"]]), line = block.firstChild;
var bbox = state.bbox = CHTML.BBOX.empty();
state.first = broken; state.last = true;
this.CHTMLmoveLine(start,end,line,state,values);
bbox.clean();
//
// Get the alignment and shift values
//
var align = this.CHTMLgetAlign(state,values),
shift = this.CHTMLgetShift(state,values,align,true);
//
// Set the Y offset based on previous depth, leading, and current height
//
var dY = 0;
if (state.n > 0) {
var LHD = CHTML.FONTDATA.baselineskip;
var leading = (state.values.lineleading == null ? state.VALUES : state.values).lineleading * state.scale;
var Y = state.Y;
state.Y -= Math.max(LHD,state.d + bbox.h + leading);
dY = Y - state.Y - state.d - bbox.h;
}
//
// Place the new line
//
if (shift) line.style.margin = "0 "+CHTML.Em(-shift)+" 0 "+CHTML.Em(shift);
if (align !== MML.INDENTALIGN.LEFT) block.style.textAlign = align;
if (dY) block.style.paddingTop = CHTML.Em(dY);
state.BBOX.combine(bbox,shift,state.Y);
//
// Save the values needed for the future
//
state.d = state.bbox.d; state.values = values; state.n++;
},
/****************************************************************/
//
// Get alignment and shift values from the given data
//
CHTMLgetAlign: function (state,values) {
var cur = values, prev = state.values, def = state.VALUES, align;
if (state.n === 0) align = cur.indentalignfirst || prev.indentalignfirst || def.indentalignfirst;
else if (state.isLast) align = prev.indentalignlast || def.indentalignlast;
else align = prev.indentalign || def.indentalign;
if (align === MML.INDENTALIGN.INDENTALIGN) align = prev.indentalign || def.indentalign;
if (align === MML.INDENTALIGN.AUTO) align = (state.isTop ? CONFIG.displayAlign : MML.INDENTALIGN.LEFT);
return align;
},
CHTMLgetShift: function (state,values,align,noadjust) {
var cur = values, prev = state.values, def = state.VALUES, shift;
if (state.n === 0) shift = cur.indentshiftfirst || prev.indentshiftfirst || def.indentshiftfirst;
else if (state.isLast) shift = prev.indentshiftlast || def.indentshiftlast;
else shift = prev.indentshift || def.indentshift;
if (shift === MML.INDENTSHIFT.INDENTSHIFT) shift = prev.indentshift || def.indentshift;
if (shift === "auto" || shift === "") shift = "0";
shift = this.CHTMLlength2em(shift,CHTML.cwidth);
if (state.isTop && CONFIG.displayIndent !== "0") {
var indent = this.CHTMLlength2em(CONFIG.displayIndent,CHTML.cwidth);
shift += (align === MML.INDENTALIGN.RIGHT ? -indent : indent);
}
return (align === MML.INDENTALIGN.RIGHT && !noadjust ? -shift : shift);
},
/****************************************************************/
//
// Move the selected elements into the new line's box,
// moving whole items when possible, and parts of ones
// that are split by a line break.
//
CHTMLmoveLine: function (start,end,node,state,values) {
var i = start[0], j = end[0];
if (i == null) i = -1; if (j == null) j = this.data.length-1;
if (i === j && start.length > 1) {
//
// If starting and ending in the same element move the subpiece to the new line
//
this.data[i].CHTMLmoveSlice(start.slice(1),end.slice(1),node,state,values,"marginLeft");
} else {
//
// Otherwise, move the remainder of the initial item
// and any others up to the last one
//
var last = state.last; state.last = false;
while (i < j) {
if (this.data[i]) {
if (start.length <= 1) this.data[i].CHTMLmoveNode(node,state,values);
else this.data[i].CHTMLmoveSlice(start.slice(1),[],node,state,values,"marginLeft");
}
i++; state.first = false; start = [];
}
//
// If the last item is complete, move it,
// otherwise move the first part of it up to the split
//
state.last = last;
if (this.data[i]) {
if (end.length <= 1) this.data[i].CHTMLmoveNode(node,state,values);
else this.data[i].CHTMLmoveSlice([],end.slice(1),node,state,values,"marginRight");
}
}
},
/****************************************************************/
//
// Split an element and copy the selected items into the new part
//
CHTMLmoveSlice: function (start,end,node,state,values,margin) {
//
// Create a new box for the slice of the element
// Move the selected portion into the slice
// If it is the last slice
// Remove the original (now empty) node
// Rename the Continue-0 node with the original name (for CHTMLnodeElement)
//
var slice = this.CHTMLcreateSliceNode(node);
this.CHTMLmoveLine(start,end,slice,state,values);
if (slice.style[margin]) slice.style[margin] = "";
if (this.CHTML.L) {
if (margin !== "marginLeft") state.bbox.w += this.CHTML.L;
else slice.className = slice.className.replace(/ MJXc-space\d/,"");
}
if (this.CHTML.R && margin !== "marginRight") state.bbox.w += this.CHTML.R;
if (end.length === 0) {
node = this.CHTMLnodeElement();
if (this.href) node = node.parentNode;
node.parentNode.removeChild(node);
node.nextMathJaxNode.id = node.id;
}
return slice;
},
/****************************************************************/
//
// Create a new node for an element that is split in two
// Clone the original and update its ID.
// Link the old node to the new one so we can find it later
//
CHTMLcreateSliceNode: function (node) {
var NODE = this.CHTMLnodeElement(), n = 0;
if (this.href) NODE = NODE.parentNode;
var LAST = NODE; while (LAST.nextMathJaxNode) {LAST = LAST.nextMathJaxNode; n++}
var SLICE = NODE.cloneNode(false); LAST.nextMathJaxNode = SLICE; SLICE.nextMathJaxNode = null;
SLICE.id += "-MJX-Continue-"+n;
return node.appendChild(SLICE);
},
/****************************************************************/
//
// Move an element from its original node to its new location in
// a split element or the new line's node
//
CHTMLmoveNode: function (line,state,values) {
// FIXME: handle linebreakstyle === "duplicate"
// FIXME: handle linebreakmultchar
if (!(state.first || state.last) ||
(state.first && state.values.linebreakstyle === MML.LINEBREAKSTYLE.BEFORE) ||
(state.last && values.linebreakstyle === MML.LINEBREAKSTYLE.AFTER)) {
//
// Move node
//
var node = this.CHTMLnodeElement();
if (this.href) node = node.parentNode;
line.appendChild(node);
if (this.CHTML.pwidth && !line.style.width) line.style.width = this.CHTML.pwidth;
//
// If it is last, remove right margin
// If it is first, remove left margin
//
if (state.last) node.style.marginRight = "";
if (state.first || state.nextIsFirst) {
node.style.marginLeft = ""; this.CHTML.L = 0;
node.className = node.className.replace(/ MJXc-space\d/,"");
}
if (state.first && this.CHTML.w === 0) state.nextIsFirst = true;
else delete state.nextIsFirst;
//
// Update bounding box
//
state.bbox.combine(this.CHTML,state.bbox.w,0);
}
}
});
/**************************************************************************/
MML.mfenced.Augment({
CHTMLbetterBreak: function (info,state) {
//
// Get the current breakpoint position and other data
//
var index = info.index.slice(0), i = info.index.shift(),
m = this.data.length, W, w, scanW, broken = (info.index.length > 0), better = false;
if (i == null) i = -1; if (!broken) {i++; info.W += info.w; info.w = 0}
scanW = info.scanW = info.W; info.nest++;
//
// Create indices that include the delimiters and separators
//
if (!this.dataI) {
this.dataI = [];
if (this.data.open) this.dataI.push("open");
if (m) this.dataI.push(0);
for (var j = 1; j < m; j++) {
if (this.data["sep"+j]) this.dataI.push("sep"+j);
this.dataI.push(j);
}
if (this.data.close) this.dataI.push("close");
}
m = this.dataI.length;
//
// Look through the line for breakpoints, including the open, close, and separators
// (as long as we are not too far past the breaking width)
//
while (i < m && (info.scanW < PENALTY.maxwidth*CHTML.linebreakWidth || info.w === 0)) {
var k = this.dataI[i];
if (this.data[k]) {
if (this.data[k].CHTMLbetterBreak(info,state)) {
better = true; index = [i].concat(info.index); W = info.W; w = info.w;
if (info.penalty === PENALTY.newline) {
info.index = index;
if (info.nest) info.nest--;
return true;
}
}
scanW = (broken ? info.scanW : this.CHTMLaddWidth(i,info,scanW));
}
info.index = []; i++; broken = false;
}
if (info.nest) info.nest--;
info.index = index;
if (better) {info.W = W; info.w = w}
return better;
},
CHTMLmoveLine: function (start,end,node,state,values) {
var i = start[0], j = end[0];
if (i == null) i = -1; if (j == null) j = this.dataI.length-1;
if (i === j && start.length > 1) {
//
// If starting and ending in the same element move the subpiece to the new line
//
this.data[this.dataI[i]].CHTMLmoveSlice(start.slice(1),end.slice(1),node,state,values,"marginLeft");
} else {
//
// Otherwise, move the remainder of the initial item
// and any others (including open and separators) up to the last one
//
var last = state.last; state.last = false; var k = this.dataI[i];
while (i < j) {
if (this.data[k]) {
if (start.length <= 1) this.data[k].CHTMLmoveNode(node,state,values);
else this.data[k].CHTMLmoveSlice(start.slice(1),[],node,state,values,"marginLeft");
}
i++; k = this.dataI[i]; state.first = false; start = [];
}
//
// If the last item is complete, move it
//
state.last = last;
if (this.data[k]) {
if (end.length <= 1) this.data[k].CHTMLmoveNode(node,state,values);
else this.data[k].CHTMLmoveSlice([],end.slice(1),node,state,values,"marginRight");
}
}
}
});
/**************************************************************************/
MML.msubsup.Augment({
CHTMLbetterBreak: function (info,state) {
if (!this.data[this.base]) {return false}
//
// Get the current breakpoint position and other data
//
var index = info.index.slice(0), i = info.index.shift(),
W, w, scanW, broken = (info.index.length > 0), better = false;
if (!broken) {info.W += info.w; info.w = 0}
scanW = info.scanW = info.W;
//
// Record the width of the base and the super- and subscripts
//
if (i == null) {
this.CHTML.baseW = this.data[this.base].CHTML.w;
this.CHTML.dw = this.CHTML.w - this.CHTML.baseW;
}
//
// Check if the base can be broken
//
if (this.data[this.base].CHTMLbetterBreak(info,state)) {
better = true; index = [this.base].concat(info.index); W = info.W; w = info.w;
if (info.penalty === PENALTY.newline) better = broken = true;
}
//
// Add in the base if it is unbroken, and add the scripts
//
if (!broken) this.CHTMLaddWidth(this.base,info,scanW);
info.scanW += this.CHTML.dw; info.W = info.scanW;
info.index = []; if (better) {info.W = W; info.w = w; info.index = index}
return better;
},
CHTMLmoveLine: function (start,end,node,state,values) {
//
// Move the proper part of the base
//
if (this.data[this.base]) {
var base = CHTML.addElement(node,"mjx-base");
var ic = this.data[this.base].CHTML.ic;
if (ic) base.style.marginRight = CHTML.Em(-ic);
if (start.length > 1) {
this.data[this.base].CHTMLmoveSlice(start.slice(1),end.slice(1),base,state,values,"marginLeft");
} else {
if (end.length <= 1) this.data[this.base].CHTMLmoveNode(base,state,values);
else this.data[this.base].CHTMLmoveSlice([],end.slice(1),base,state,values,"marginRight");
}
}
//
// If this is the end, check for super and subscripts, and move those
// by moving the elements that contains them. Adjust the bounding box
// to include the super and subscripts.
//
if (end.length === 0) {
var NODE = this.CHTMLnodeElement(),
stack = CHTML.getNode(NODE,"mjx-stack"),
sup = CHTML.getNode(NODE,"mjx-sup"),
sub = CHTML.getNode(NODE,"mjx-sub");
if (stack) node.appendChild(stack);
else if (sup) node.appendChild(sup);
else if (sub) node.appendChild(sub);
var w = state.bbox.w, bbox;
if (sup) {
bbox = this.data[this.sup].CHTML;
state.bbox.combine(bbox,w,bbox.Y);
}
if (sub) {
bbox = this.data[this.sub].CHTML;
state.bbox.combine(bbox,w,bbox.Y);
}
}
}
});
/**************************************************************************/
MML.mmultiscripts.Augment({
CHTMLbetterBreak: function (info,state) {
if (!this.data[this.base]) return false;
//
// Get the current breakpoint position and other data
//
var index = info.index.slice(0); info.index.shift();
var W, w, scanW, broken = (info.index.length > 0), better = false;
if (!broken) {info.W += info.w; info.w = 0}
info.scanW = info.W;
//
// Get the bounding boxes and the width of the scripts
//
var bbox = this.CHTML, base = this.data[this.base].CHTML;
var dw = bbox.w - base.w - (bbox.X||0);
//
// Add in the width of the prescripts
//
info.scanW += bbox.X||0; scanW = info.scanW;
//
// Check if the base can be broken
//
if (this.data[this.base].CHTMLbetterBreak(info,state)) {
better = true; index = [this.base].concat(info.index); W = info.W; w = info.w;
if (info.penalty === PENALTY.newline) better = broken = true;
}
//
// Add in the base if it is unbroken, and add the scripts
//
if (!broken) this.CHTMLaddWidth(this.base,info,scanW);
info.scanW += dw; info.W = info.scanW;
info.index = []; if (better) {info.W = W; info.w = w; info.index = index}
return better;
},
CHTMLmoveLine: function (start,end,node,state,values) {
var NODE, BOX = this.CHTMLbbox, w;
//
// If this is the start, move the prescripts, if any.
//
if (start.length < 1) {
NODE = this.CHTMLnodeElement();
var prestack = CHTML.getNode(NODE,"mjx-prestack"),
presup = CHTML.getNode(NODE,"mjx-presup"),
presub = CHTML.getNode(NODE,"mjx-presub");
if (prestack) node.appendChild(prestack);
else if (presup) node.appendChild(presup);
else if (presub) node.appendChild(presub);
w = state.bbox.w;
if (presup) state.bbox.combine(BOX.presup,w+BOX.presup.X,BOX.presup.Y);
if (presub) state.bbox.combine(BOX.presub,w+BOX.presub.X,BOX.presub.Y);
}
//
// Move the proper part of the base
//
if (this.data[this.base]) {
var base = CHTML.addElement(node,"mjx-base");
if (start.length > 1) {
this.data[this.base].CHTMLmoveSlice(start.slice(1),end.slice(1),base,state,values,"marginLeft");
} else {
if (end.length <= 1) this.data[this.base].CHTMLmoveNode(base,state,values);
else this.data[this.base].CHTMLmoveSlice([],end.slice(1),base,state,values,"marginRight");
}
}
//
// If this is the end, check for super and subscripts, and move those
// by moving the elements that contains them. Adjust the bounding box
// to include the super and subscripts.
//
if (end.length === 0) {
NODE = this.CHTMLnodeElement();
var stack = CHTML.getNode(NODE,"mjx-stack"),
sup = CHTML.getNode(NODE,"mjx-sup"),
sub = CHTML.getNode(NODE,"mjx-sub");
if (stack) node.appendChild(stack);
else if (sup) node.appendChild(sup);
else if (sub) node.appendChild(sub);
w = state.bbox.w;
if (sup) state.bbox.combine(BOX.sup,w,BOX.sup.Y);
if (sub) state.bbox.combine(BOX.sub,w,BOX.sub.Y);
}
}
});
/**************************************************************************/
MML.mo.Augment({
//
// Override the method for checking line breaks to properly handle <mo>
//
CHTMLbetterBreak: function (info,state) {
if (info.values && info.values.id === this.CHTMLnodeID) return false;
var values = this.getValues(
"linebreak","linebreakstyle","lineleading","linebreakmultchar",
"indentalign","indentshift",
"indentalignfirst","indentshiftfirst",
"indentalignlast","indentshiftlast",
"texClass", "fence"
);
if (values.linebreakstyle === MML.LINEBREAKSTYLE.INFIXLINEBREAKSTYLE)
values.linebreakstyle = this.Get("infixlinebreakstyle");
//
// Adjust nesting by TeX class (helps output that does not include
// mrows for nesting, but can leave these unbalanced.
//
if (values.texClass === MML.TEXCLASS.OPEN) info.nest++;
if (values.texClass === MML.TEXCLASS.CLOSE && info.nest) info.nest--;
//
// Get the default penalty for this location
//
var W = info.scanW; delete info.embellished;
var w = this.CHTML.w + (this.CHTML.L||0) + (this.CHTML.R||0);
if (values.linebreakstyle === MML.LINEBREAKSTYLE.AFTER) {W += w; w = 0}
if (W - info.shift === 0 && values.linebreak !== MML.LINEBREAK.NEWLINE)
return false; // don't break at zero width (FIXME?)
var offset = CHTML.linebreakWidth - W;
// Adjust offest for explicit first-line indent and align
if (state.n === 0 && (values.indentshiftfirst !== state.VALUES.indentshiftfirst ||
values.indentalignfirst !== state.VALUES.indentalignfirst)) {
var align = this.CHTMLgetAlign(state,values),
shift = this.CHTMLgetShift(state,values,align);
offset += (info.shift - shift);
}
//
var penalty = Math.floor(offset / CHTML.linebreakWidth * 1000);
if (penalty < 0) penalty = PENALTY.toobig - 3*penalty;
if (values.fence) penalty += PENALTY.fence;
if ((values.linebreakstyle === MML.LINEBREAKSTYLE.AFTER &&
values.texClass === MML.TEXCLASS.OPEN) ||
values.texClass === MML.TEXCLASS.CLOSE) penalty += PENALTY.close;
penalty += info.nest * PENALTY.nestfactor;
//
// Get the penalty for this type of break and
// use it to modify the default penalty
//
var linebreak = PENALTY[values.linebreak||MML.LINEBREAK.AUTO]||0;
if (!MathJax.Object.isArray(linebreak)) {
// for breaks past the width, keep original penalty for newline
if (linebreak || offset >= 0) {penalty = linebreak * info.nest}
} else {penalty = Math.max(1,penalty + linebreak[0] * info.nest)}
//
// If the penalty is no better than the current one, return false
// Otherwise save the data for this breakpoint and return true
//
if (penalty >= info.penalty) return false;
info.penalty = penalty; info.values = values; info.W = W; info.w = w;
values.lineleading = this.CHTMLlength2em(values.lineleading,state.VALUES.lineleading);
values.id = this.CHTMLnodeID;
return true;
}
});
/**************************************************************************/
MML.mspace.Augment({
//
// Override the method for checking line breaks to properly handle <mspace>
//
CHTMLbetterBreak: function (info,state) {
if (info.values && info.values.id === this.CHTMLnodeID) return false;
var values = this.getValues("linebreak");
var linebreakValue = values.linebreak;
if (!linebreakValue || this.hasDimAttr()) {
// The MathML spec says that the linebreak attribute should be ignored
// if any dimensional attribute is set.
linebreakValue = MML.LINEBREAK.AUTO;
}
//
// Get the default penalty for this location
//
var W = info.scanW, w = this.CHTML.w + (this.CHTML.L||0) + (this.CHTML.R||0);
if (W - info.shift === 0) return false; // don't break at zero width (FIXME?)
var offset = CHTML.linebreakWidth - W;
//
var penalty = Math.floor(offset / CHTML.linebreakWidth * 1000);
if (penalty < 0) penalty = PENALTY.toobig - 3*penalty;
penalty += info.nest * PENALTY.nestfactor;
//
// Get the penalty for this type of break and
// use it to modify the default penalty
//
var linebreak = PENALTY[linebreakValue]||0;
if (linebreakValue === MML.LINEBREAK.AUTO && w >= PENALTY.spacelimit &&
!this.mathbackground && !this.background)
linebreak = [(w+PENALTY.spaceoffset)*PENALTY.spacefactor];
if (!MathJax.Object.isArray(linebreak)) {
// for breaks past the width, keep original penalty for newline
if (linebreak || offset >= 0) {penalty = linebreak * info.nest}
} else {penalty = Math.max(1,penalty + linebreak[0] * info.nest)}
//
// If the penalty is no better than the current one, return false
// Otherwise save the data for this breakpoint and return true
//
if (penalty >= info.penalty) return false;
info.penalty = penalty; info.values = values; info.W = W; info.w = w;
values.lineleading = state.VALUES.lineleading;
values.linebreakstyle = "before"; values.id = this.CHTMLnodeID;
return true;
}
});
//
// Hook into the mathchoice extension
//
MathJax.Hub.Register.StartupHook("TeX mathchoice Ready",function () {
MML.TeXmathchoice.Augment({
CHTMLbetterBreak: function (info,state) {
return this.Core().CHTMLbetterBreak(info,state);
},
CHTMLmoveLine: function (start,end,node,state,values) {
return this.Core().CHTMLmoveSlice(start,end,node,state,values);
}
});
});
//
// Have maction process only the selected item
//
MML.maction.Augment({
CHTMLbetterBreak: function (info,state) {
return this.Core().CHTMLbetterBreak(info,state);
},
CHTMLmoveLine: function (start,end,node,state,values) {
return this.Core().CHTMLmoveSlice(start,end,node,state,values);
}
});
//
// Have semantics only do the first element
// (FIXME: do we need to do anything special about annotation-xml?)
//
MML.semantics.Augment({
CHTMLbetterBreak: function (info,state) {
return (this.data[0] ? this.data[0].CHTMLbetterBreak(info,state) : false);
},
CHTMLmoveLine: function (start,end,node,state,values) {
return (this.data[0] ? this.data[0].CHTMLmoveSlice(start,end,node,state,values) : null);
}
});
/**************************************************************************/
MathJax.Hub.Startup.signal.Post("CommonHTML multiline Ready");
MathJax.Ajax.loadComplete(CHTML.autoloadDir+"/multiline.js");
});