xiaoben-as2-php/compressed/js/min/mathjax/unpacked/jax/output/SVG/jax.js

/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */

/*************************************************************
 *
 *  MathJax/jax/output/SVG/jax.js
 *
 *  Implements the SVG OutputJax that displays mathematics using
 *  SVG (or VML in IE) to position the characters from math fonts
 *  in their proper locations.
 *  
 *  ---------------------------------------------------------------------
 *  
 *  Copyright (c) 2011-2013 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.
 */(function(x,r,v,k){var h;k.Augment({config:{styles:{".MathJax_SVG":{display:"inline","font-style":"normal","font-weight":"normal","line-height":"normal","font-size":"100%","font-size-adjust":"none","text-indent":0,"text-align":"left","text-transform":"none","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none",direction:"ltr",border:0,padding:0,margin:0},".MathJax_SVG_Display":{position:"relative",display:"block",width:"100%"},".MathJax_SVG *":{transition:"none","-webkit-transition":"none","-moz-transition":"none","-ms-transition":"none","-o-transition":"none"},".mjx-svg-href":{fill:"blue",stroke:"blue"},".MathJax_SVG_Processing":{visibility:"hidden",position:"absolute",top:0,left:0,width:0,height:0,overflow:"hidden",display:"block"},".MathJax_SVG_Processed":{display:"none!important"},".MathJax_SVG_ExBox":{display:"block",overflow:"hidden",width:"1px",height:"60ex"},"#MathJax_SVG_Tooltip":{position:"absolute",left:0,top:0,width:"auto",height:"auto",display:"none"}}},hideProcessedMath:!0,Config:function(){var a=r.config.menuSettings;a.scale&&(this.config.scale=a.scale);this.SUPER(arguments).Config.apply(this,arguments);this.fontInUse=this.config.font;this.fontDir+="/"+this.config.font;this.require||(this.require=[]);this.require.push(this.fontDir+"/fontdata.js");this.require.push(MathJax.OutputJax.extensionDir+"/MathEvents.js")},Startup:function(){EVENT=MathJax.Extension.MathEvents.Event;TOUCH=MathJax.Extension.MathEvents.Touch;HOVER=MathJax.Extension.MathEvents.Hover;this.ContextMenu=EVENT.ContextMenu;this.Mousedown=EVENT.AltContextMenu;this.Mouseover=HOVER.Mouseover;this.Mouseout=HOVER.Mouseout;this.Mousemove=HOVER.Mousemove;this.hiddenDiv=v.Element("div",{style:{visibility:"hidden",overflow:"hidden",position:"absolute",top:0,height:"1px",width:"auto",padding:0,border:0,margin:0,textAlign:"left",textIndent:0,textTransform:"none",lineHeight:"normal",letterSpacing:"normal",wordSpacing:"normal"}});document.body.firstChild?document.body.insertBefore(this.hiddenDiv,document.body.firstChild):document.body.appendChild(this.hiddenDiv);this.hiddenDiv=v.addElement(this.hiddenDiv,"div",{id:"MathJax_SVG_Hidden"});var a=v.addElement(this.hiddenDiv,"div",{style:{width:"5in"}});this.pxPerInch=a.offsetWidth/5;this.hiddenDiv.removeChild(a);this.textSVG=this.Element("svg");z=this.addElement(this.addElement(this.hiddenDiv.parentNode,"svg"),"defs",{id:"MathJax_SVG_glyphs"});y={};this.ExSpan=v.Element("span",{style:{position:"absolute","font-size-adjust":"none"}},[["span",{className:"MathJax_SVG_ExBox"}]]);this.linebreakSpan=v.Element("span",null,[["hr",{style:{width:"auto",size:1,padding:0,border:0,margin:0}}]]);return x.Styles(this.config.styles,["InitializeSVG",this])},InitializeSVG:function(){document.body.appendChild(this.ExSpan);document.body.appendChild(this.linebreakSpan);this.defaultEx=this.ExSpan.firstChild.offsetHeight/60;this.defaultWidth=this.linebreakSpan.firstChild.offsetWidth;document.body.removeChild(this.linebreakSpan);document.body.removeChild(this.ExSpan)},preTranslate:function(a){var 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MathJax(_SVG)?_Processing)?$/)&&f.parentNode.removeChild(f),f=e.MathJax.elementJax))f.SVG={display:"block"===f.root.Get("display")},g=l=v.Element("span",{style:{"font-size":this.config.scale+"%",display:"inline-block"},className:"MathJax_SVG",id:f.inputID+"-Frame",isMathJax:!0,jaxID:this.id,oncontextmenu:EVENT.Menu,onmousedown:EVENT.Mousedown,onmouseover:EVENT.Mouseover,onmouseout:EVENT.Mouseout,onmousemove:EVENT.Mousemove,onclick:EVENT.Click,ondblclick:EVENT.DblClick}),r.Browser.noContextMenu&&(g.ontouchstart=TOUCH.start,g.ontouchend=TOUCH.end),f.SVG.display&&(l=v.Element("div",{className:"MathJax_SVG_Display"}),l.appendChild(g)),l.setAttribute("role","textbox"),l.setAttribute("aria-readonly","true"),l.className+=" MathJax_SVG_Processing",e.parentNode.insertBefore(l,e),e.parentNode.insertBefore(this.ExSpan.cloneNode(!0),e),l.parentNode.insertBefore(this.linebreakSpan.cloneNode(!0),l);for(c=0;c<d;c++)if(e=b[c],e.parentNode&&(m=e.previousSibling,l=m.previousSibling,f=e.MathJax.elementJax)){e=m.firstChild.offsetHeight/60;g=l.previousSibling.firstChild.offsetWidth;n&&(h=g);if(0===e||"NaN"===e)this.hiddenDiv.appendChild(l),f.SVG.isHidden=!0,e=this.defaultEx,g=this.defaultWidth,n&&(h=this.defaultWidth);f.SVG.ex=e;f.SVG.cwidth=g;f.SVG.em=l=e/k.TeX.x_height*1E3;f.SVG.lineWidth=q?this.length2em(w,1,h/l):1E6}for(c=0;c<d;c++)if(e=b[c],e.parentNode&&(m=b[c].previousSibling,g=m.previousSibling,f=b[c].MathJax.elementJax))f.SVG.isHidden||(g=g.previousSibling),g.parentNode.removeChild(g),m.parentNode.removeChild(m);a.SVGeqn=a.SVGlast=0;a.SVGi=-1;a.SVGchunk=this.config.EqnChunk;a.SVGdelay=!1},Translate:function(a,b){if(a.parentNode){b.SVGdelay&&(b.SVGdelay=!1,r.RestartAfter(MathJax.Callback.Delay(this.config.EqnChunkDelay)));var c=a.MathJax.elementJax,d=c.root,e=document.getElementById(c.inputID+"-Frame"),f=c.SVG.display?e.parentNode:e;this.em=h.mbase.prototype.em=c.SVG.em;this.ex=c.SVG.ex;this.linebreakWidth=1E3*c.SVG.lineWidth;this.cwidth=c.SVG.cwidth;this.mathDiv=f;e.appendChild(this.textSVG);this.initSVG(d,e);d.setTeXclass();try{d.toSVG(e,f)}catch(g){if(g.restart)for(;e.firstChild;)e.removeChild(e.firstChild);throw g;}e.removeChild(this.textSVG);c.SVG.isHidden&&a.parentNode.insertBefore(f,a);f.className=f.className.split(/ /)[0];this.hideProcessedMath&&(f.className+=" MathJax_SVG_Processed",a.MathJax.preview&&(c.SVG.preview=a.MathJax.preview,delete a.MathJax.preview),b.SVGeqn+=b.i-b.SVGi,b.SVGi=b.i,b.SVGeqn>=b.SVGlast+b.SVGchunk&&(this.postTranslate(b),b.SVGchunk=Math.floor(b.SVGchunk*this.config.EqnChunkFactor),b.SVGdelay=!0))}},postTranslate:function(a){var b=a.jax[this.id];if(this.hideProcessedMath){for(var c=a.SVGlast,d=a.SVGeqn;c<d;c++){var e=b[c];if(e&&e.MathJax.elementJax){e.previousSibling.className=e.previousSibling.className.split(/ /)[0];var f=e.MathJax.elementJax.SVG;f.preview&&(f.preview.innerHTML="",e.MathJax.preview=f.preview,delete f.preview)}}a.SVGlast=a.SVGeqn}},hashCheck:function(a){if(a&&"g"===a.nodeName){do a=a.parentNode;while(a&&"svg"!==a.firstChild.nodeName)}return a},getJaxFromMath:function(a){"MathJax_SVG_Display"===a.parentNode.className&&(a=a.parentNode);do a=a.nextSibling;while(a&&"script"!==a.nodeName.toLowerCase());return r.getJaxFor(a)},getHoverSpan:function(a,b){b.style.position="relative";return b.firstChild},getHoverBBox:function(a,b,c){a=EVENT.getBBox(b.parentNode);a.h+=2;a.d-=2;return 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a},extendDelimiterV:function(a,b,c,d,e){var f=this.createChar(d,c.top||c.ext,e),g=this.createChar(d,c.bot||c.ext,e),l=f.h+f.d+g.h+g.d,m=-f.h;a.Add(f,0,m);m-=f.d;if(c.mid)var h=this.createChar(d,c.mid,e),l=l+(h.h+h.d);c.min&&b<l*c.min&&(b=l*c.min);if(b>l)for(e=this.createChar(d,c.ext,e),f=c.mid?2:1,b=(b-l)/f,l=(b+100)/(e.h+e.d);0<f--;){var n=k.Element("g",{transform:"translate("+e.y+","+(m-l*e.h+50+e.y)+") scale(1,"+l+")"});n.appendChild(e.element.cloneNode(!1));a.element.appendChild(n);m-=b;c.mid&&f&&(a.Add(h,0,m-h.h),m-=h.h+h.d)}else c.mid?(m+=(l-b)/2,a.Add(h,0,m-h.h),m+=-(h.h+h.d)+(l-b)/2):m+=l-b;a.Add(g,0,m-g.h);a.Clean();a.scale=d;a.isMultiChar=!0},extendDelimiterH:function(a,b,c,d,e){var f=this.createChar(d,c.left||c.rep,e),g=this.createChar(d,c.right||c.rep,e);a.Add(f,-f.l,0);var l=f.r-f.l+(g.r-g.l),f=f.r-f.l;if(c.mid)var h=this.createChar(d,c.mid,e),l=l+h.w;c.min&&b<l*c.min&&(b=l*c.min);if(b>l){e=this.createChar(d,c.rep,e);var 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b=this.svg||this.toSVG(),c=this.SVGgetMu(b),d=this.getValues("maxsize","minsize","mathvariant","fontweight");("bold"===d.fontweight||600<=parseInt(d.fontweight))&&!this.Get("mathvariant",!0)&&(d.mathvariant=h.VARIANT.BOLD);d.maxsize=k.length2em(d.maxsize,c,b.w);d.minsize=k.length2em(d.minsize,c,b.w);a=Math.max(d.minsize,Math.min(d.maxsize,a));b=k.createDelimiter(this.data.join("").charCodeAt(0),a,b.scale,d.mathvariant);this.SVGhandleSpace(b);this.SVGhandleColor(b);delete this.svg.element;this.SVGsaveData(b);return b}});h.mtext.Augment({toSVG:function(){this.SVGgetStyles();var a,b,c=this.SVGgetScale();if("merror"===this.Parent().type)return a=this.SVG(),this.SVGhandleSpace(a),b=q.G(),b.Add(q.TEXT(.9*c,this.data.join(""),{fill:"#C00"})),a.Add(q.RECT(b.h+100,b.d+100,b.w+200,{fill:"#FF8",stroke:"#C00","stroke-width":50}),0,0),a.Add(b,150,0),a.H+=150,a.D+=50,a.Clean(),this.SVGsaveData(a),a;if(k.config.mtextFontInherit){a=this.SVG();this.SVGhandleSpace(a);b=this.SVGgetVariant();var 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b=this.SVGchildSVG(0),c,d,e=this.SVGgetScale(),f=k.TeX.rule_thickness*e,g,h,m=0;c=this.Get("displaystyle")?k.TeX.x_height*e:f;g=Math.max(f+c/4,1E3*k.TeX.min_root_space/k.em);h=b.h+b.d+g+f;d=k.createDelimiter(8730,h,e);d.h+d.d>h&&(g=(d.h+d.d-(h-f))/2);c=q.RECT(f,0,b.w);h=b.h+g+f;m=this.SVGaddRoot(a,d,m,d.h+d.d-h,e);a.Add(d,m,h-d.h);a.Add(c,m+d.w,h-c.h);a.Add(b,m+d.w,0);a.Clean();a.h+=f;a.H+=f;this.SVGhandleColor(a);this.SVGsaveData(a);return a},SVGaddRoot:function(a,b,c,d,e){return c}});h.mroot.Augment({toSVG:h.msqrt.prototype.toSVG,SVGaddRoot:function(a,b,c,d,e){var f=(b.isMultiChar?.55:.65)*b.w;if(this.data[1]){var g=this.data[1].toSVG();g.x=0;b=this.SVGrootHeight(b.h+b.d,e,g)-d;d=Math.min(g.w,g.r);c=Math.max(d,f);a.Add(g,c-d,b)}else f=c;return c-f},SVGrootHeight:function(a,b,c){return.45*(a-900*b)+600*b+Math.max(0,c.d-75)}});h.mfenced.Augment({SVG:q.ROW,toSVG:function(){this.SVGgetStyles();var 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p=k.TeX.rule_thickness,t=f[this.base]||{w:0,h:0,d:0,H:0,D:0,l:0,r:0,scale:e},w,u,r,v,x=0;t.ic&&(x=1.3*t.ic+.05);l=0;for(m=this.data.length;l<m;l++)null!=this.data[l]&&(g=f[l],v=k.TeX.big_op_spacing5*e,(r=l!=this.base&&c[this.ACCENTS[l]])&&1>=g.w&&(g.x=-g.l,f[l]=q.G().With({removeable:!1}),f[l].Add(g),f[l].Clean(),f[l].w=-g.l,g=f[l]),w={left:0,center:(n-g.w)/2,right:n-g.w}[c.align],u=0,l==this.over?(r?(r=p*e,v=0,t.skew&&(w+=t.skew)):(r=k.TeX.big_op_spacing1*e,u=k.TeX.big_op_spacing3*e,r=Math.max(r,u-Math.max(0,g.d))),r=Math.max(r,1500/k.em),w+=x/2,u=t.h+g.d+r,g.h+=v,g.h>g.H&&(g.H=g.h)):l==this.under&&(r?(r=3*p*e,v=0):(r=k.TeX.big_op_spacing2*e,u=k.TeX.big_op_spacing4*e,r=Math.max(r,u-g.h)),r=Math.max(r,1500/k.em),w-=x/2,u=-(t.d+g.h+r),g.d+=v,g.d>g.D&&(g.D=g.d)),d.Add(g,w,u));d.Clean();this.SVGhandleColor(d);this.SVGsaveData(d);return d}});h.msubsup.Augment({toSVG:function(a,b){this.SVGgetStyles();var c=this.SVG();this.SVGhandleSpace(c);var d=c.scale=this.SVGgetScale(),e=this.SVGgetMu(c),f=c.Add(this.SVGdataStretched(this.base,a,b)),g=(this.data[this.sup]||this.data[this.sub]||this).SVGgetScale(),h=k.TeX.x_height*d,m=k.TeX.scriptspace*d,p,n;this.SVGnotEmpty(this.data[this.sup])&&(p=this.data[this.sup].toSVG(),p.w+=m,p.r=Math.max(p.w,p.r));this.SVGnotEmpty(this.data[this.sub])&&(n=this.data[this.sub].toSVG(),n.w+=m,n.r=Math.max(n.w,n.r));var q=k.TeX.sup_drop*g,m=f.h+(f.y||0)-q,r=f.d-(f.y||0)+k.TeX.sub_drop*g,g=0;f.ic&&(f.w-=f.ic,g=1.3*f.ic+.05);!this.data[this.base]||"mi"!==this.data[this.base].type&&"mo"!==this.data[this.base].type||1!==this.data[this.base].data.join("").length||1!==f.scale||f.stretched||this.data[this.base].Get("largeop")||(m=r=0);var u=this.getValues("subscriptshift","superscriptshift");u.subscriptshift=""===u.subscriptshift?0:k.length2em(u.subscriptshift,e);u.superscriptshift=""===u.superscriptshift?0:k.length2em(u.superscriptshift,e);p?n?(r=Math.max(r,k.TeX.sub2*d),d*=k.TeX.rule_thickness,m-p.d-(n.h-r)<3*d&&(r=3*d-m+p.d+n.h,q=.8*h-(m-p.d),0<q&&(m+=q,r-=q)),c.Add(p,f.w+g,Math.max(m,u.superscriptshift)),c.Add(n,f.w,-Math.max(r,u.subscriptshift)),this.data[this.sup].SVGdata.dx=g,this.data[this.sup].SVGdata.dy=Math.max(m,u.superscriptshift),this.data[this.sub].SVGdata.dy=-Math.max(r,u.subscriptshift)):(values=this.getValues("displaystyle","texprimestyle"),n=k.TeX[values.displaystyle?"sup1":values.texprimestyle?"sup3":"sup2"],m=Math.max(m,n*d,p.d+.25*h,u.superscriptshift),c.Add(p,f.w+g,m),this.data[this.sup].SVGdata.dx=g,this.data[this.sup].SVGdata.dy=m):n&&(r=Math.max(r,k.TeX.sub1*d,n.h-.8*h,u.subscriptshift),c.Add(n,f.w,-r),this.data[this.sub].SVGdata.dy=-r);c.Clean();this.SVGhandleColor(c);this.SVGsaveData(c);return c}});h.mmultiscripts.Augment({toSVG:h.mbase.SVGautoload});h.mtable.Augment({toSVG:h.mbase.SVGautoload});h["annotation-xml"].Augment({toSVG:h.mbase.SVGautoload});h.math.Augment({SVG:q.Subclass({type:"svg",removeable:!1}),toSVG:function(a,b){if(this.data[0]){this.SVGgetStyles();h.mbase.prototype.displayAlign=r.config.displayAlign;h.mbase.prototype.displayIndent=r.config.displayIndent;var c=q.G({stroke:"black",fill:"black","stroke-width":0,transform:"matrix(1 0 0 -1 0 0)"}).With({removeable:!1});c.Add(this.data[0].toSVG(),0,0,!0);c.Clean();this.SVGhandleColor(c);var d=this.SVG();d.element.setAttribute("xmlns:xlink","http://www.w3.org/1999/xlink");d.Add(c);d.Clean();this.SVGsaveData(d);var e=Math.max(-d.l,0),f=Math.max(d.r-d.w,0),c=d.element.style;c.width=k.Ex(e+d.w+f);c.height=k.Ex(d.H+d.D+2*k.em);c.verticalAlign=k.Ex(-d.D-3*k.em);c.marginLeft=k.Ex(-e);c.marginRight=k.Ex(-f);d.element.setAttribute("viewBox",-e+" "+(-d.H-k.em)+" "+(e+d.w+f)+" "+(d.H+d.D+2*k.em));d.element.style.margin="1px 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a}});h.TeXAtom.Augment({toSVG:function(){this.SVGgetStyles();var a=this.SVG();this.SVGhandleSpace(a);if(null!=this.data[0]){var b=this.data[0].toSVG(),c=0;this.texClass===h.TEXCLASS.VCENTER&&(c=k.TeX.axis_height-(b.h+b.d)/2+b.d);a.Add(b,0,c);a.ic=b.ic}this.SVGhandleColor(a);this.SVGsaveData(a);return a}});r.Register.StartupHook("onLoad",function(){setTimeout(MathJax.Callback(["loadComplete",k,"jax.js"]),0)})});r.Browser.Select({Opera:function(a){k.Augment({operaZoomRefresh:!0})}});r.Register.StartupHook("End Cookie",function(){"None"!==r.config.menuSettings.zoom&&x.Require("[MathJax]/extensions/MathZoom.js")});document.createElementNS||(document.namespaces.svg||document.namespaces.add("svg","http://www.w3.org/2000/svg"),k.Augment({Element:function(a,b){var c="string"===typeof a?document.createElement("svg:"+a):a;c.isMathJax=!0;if(b)for(var d in b)b.hasOwnProperty(d)&&c.setAttribute(d,b[d].toString());return c}}))})(MathJax.Ajax,MathJax.Hub,MathJax.HTML,MathJax.OutputJax.SVG);