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Diffstat (limited to 'js/mathjax/jax/output/CommonHTML/autoload/menclose.js')
| -rw-r--r-- | js/mathjax/jax/output/CommonHTML/autoload/menclose.js | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/js/mathjax/jax/output/CommonHTML/autoload/menclose.js b/js/mathjax/jax/output/CommonHTML/autoload/menclose.js new file mode 100644 index 0000000..5ba5b02 --- /dev/null +++ b/js/mathjax/jax/output/CommonHTML/autoload/menclose.js @@ -0,0 +1,332 @@ +// @license magnet:?xt=urn:btih:8e4f440f4c65981c5bf93c76d35135ba5064d8b7dn=apache-2.0.txt Apache-2.0 +/* -*- 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 = "2.7.9"; + 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"); +}); + +// @license-end |