123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317 |
- /* -*- 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) 2015-2017 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 = "2.7.2";
- 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)
- });
- },
- /********************************************************/
-
- 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)
- });
- },
- /********************************************************/
-
- 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)
- });
- },
- /********************************************************/
-
- 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"
- });
- },
- /********************************************************/
-
- 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)
- });
- },
- /********************************************************/
-
- 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)
- });
- },
- /********************************************************/
-
- 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"
- });
- }
- /********************************************************/
-
- },
-
- //
- // 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) {
- if (!svg) {
- 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);
- }
- this.CHTMLsvgElement(svg,"g",{"stroke-width":CHTML.Px(t)});
- node.parentNode.appendChild(svg);
- }
- return svg;
- },
- //
- // 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");
- });
|