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v4-svg-morpheus.js

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  1. /*! SVG Morpheus v0.3.0 License: MIT */var SVGMorpheus=function(){"use strict";function t(t,e,r){var a,s={};for(a in t)switch(a){case"fill":case"stroke":s[a]=n(t[a]),s[a].r=t[a].r+(e[a].r-t[a].r)*r,s[a].g=t[a].g+(e[a].g-t[a].g)*r,s[a].b=t[a].b+(e[a].b-t[a].b)*r,s[a].opacity=t[a].opacity+(e[a].opacity-t[a].opacity)*r;break;case"opacity":case"fill-opacity":case"stroke-opacity":case"stroke-width":s[a]=t[a]+(e[a]-t[a])*r}return s}function e(t){var e,r={};for(e in t)switch(e){case"fill":case"stroke":r[e]=F(t[e]);break;case"opacity":case"fill-opacity":case"stroke-opacity":case"stroke-width":r[e]=t[e]}return r}function r(t,e){var r,a=[{},{}];for(r in t)switch(r){case"fill":case"stroke":a[0][r]=L(t[r]),void 0===e[r]&&(a[1][r]=L(t[r]),a[1][r].opacity=0);break;case"opacity":case"fill-opacity":case"stroke-opacity":case"stroke-width":a[0][r]=t[r],void 0===e[r]&&(a[1][r]=1)}for(r in e)switch(r){case"fill":case"stroke":a[1][r]=L(e[r]),void 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I=1*u.getAttribute("x"),d=1*u.getAttribute("y"),_=1*u.getAttribute("width"),g=1*u.getAttribute("height"),m=1*u.getAttribute("rx"),y=1*u.getAttribute("ry");s.path=m||y?"M"+(I+m)+","+d+"l"+(_-2*m)+",0a"+m+","+y+" 0 0,1 "+m+","+y+"l0,"+(g-2*y)+"a"+m+","+y+" 0 0,1 -"+m+","+y+"l"+(2*m-_)+",0a"+m+","+y+" 0 0,1 -"+m+",-"+y+"l0,"+(2*y-g)+"a"+m+","+y+" 0 0,1 "+m+",-"+y+"z":"M"+I+","+d+"l"+_+",0l0,"+g+"l-"+_+",0z";break;case"POLYGON":for(var M=u.getAttribute("points"),b=M.split(/\s+/),v="",x=0,e=b.length;e>x;x++)v+=(x&&"L"||"M")+b[x];s.path=v+"z";break;case"LINE":var w=1*u.getAttribute("x1"),k=1*u.getAttribute("y1"),A=1*u.getAttribute("x2"),C=1*u.getAttribute("y2");s.path="M"+w+","+k+"L"+A+","+C+"z"}if(""!=s.path){for(var x=0,N=u.attributes.length;N>x;x++){var q=u.attributes[x];if(q.specified){var P=q.name.toLowerCase();switch(P){case"fill":case"fill-opacity":case"opacity":case"stroke":case"stroke-opacity":case"stroke-width":s.attrs[P]=q.value}}}for(var F=0,E=u.style.length;E>F;F++){var S=u.style[F];switch(S){case"fill":case"fill-opacity":case"opacity":case"stroke":case"stroke-opacity":case"stroke-width":s.style[S]=u.style[S]}}a.push(s)}}a.length>0&&(i={id:r,items:a},this._icons[r]=i),this._morphG?this._svgDoc.removeChild(h):(c=r,this._morphG=document.createElementNS("http://www.w3.org/2000/svg","g"),this._svgDoc.replaceChild(this._morphG,h))}}var G=this._curIconId||c;""!==G&&(this._setupAnimation(G),this._updateAnimationProgress(1),this._animationEnd())}},i.prototype._setupAnimation=function(t){if(t&&this._icons[t]){this._toIconId=t,this._startTime=void 0;var a,s;for(this._fromIconItems=n(this._curIconItems),this._toIconItems=n(this._icons[t].items),a=0,s=this._morphNodes.length;s>a;a++){var o=this._morphNodes[a];o.fromIconItemIdx=a,o.toIconItemIdx=a}var i,c=Math.max(this._fromIconItems.length,this._toIconItems.length);for(a=0;c>a;a++)if(this._fromIconItems[a]||(this._toIconItems[a]?(i=w(b(this._toIconItems[a].path)),this._fromIconItems.push({path:"M"+i.cx+","+i.cy+"l0,0",attrs:{},style:{},trans:{rotate:[0,i.cx,i.cy]}})):this._fromIconItems.push({path:"M0,0l0,0",attrs:{},style:{},trans:{rotate:[0,0,0]}})),this._toIconItems[a]||(this._fromIconItems[a]?(i=w(b(this._fromIconItems[a].path)),this._toIconItems.push({path:"M"+i.cx+","+i.cy+"l0,0",attrs:{},style:{},trans:{rotate:[0,i.cx,i.cy]}})):this._toIconItems.push({path:"M0,0l0,0",attrs:{},style:{},trans:{rotate:[0,0,0]}})),!this._morphNodes[a]){var h=document.createElementNS("http://www.w3.org/2000/svg","path");this._morphG.appendChild(h),this._morphNodes.push({node:h,fromIconItemIdx:a,toIconItemIdx:a})}for(a=0;c>a;a++){var u=this._fromIconItems[a],l=this._toIconItems[a],p=b(this._fromIconItems[a].path,this._toIconItems[a].path);u.curve=p[0],l.curve=p[1];var f=r(this._fromIconItems[a].attrs,this._toIconItems[a].attrs);u.attrsNorm=f[0],l.attrsNorm=f[1],u.attrs=e(u.attrsNorm),l.attrs=e(l.attrsNorm);var m=r(this._fromIconItems[a].style,this._toIconItems[a].style);u.styleNorm=m[0],l.styleNorm=m[1],u.style=e(u.styleNorm),l.style=e(l.styleNorm),i=w(l.curve),l.trans={rotate:[0,i.cx,i.cy]};var y,I=this._rotation;switch("random"===I&&(I=Math.random()<.5?"counterclock":"clock"),I){case"none":u.trans.rotate&&(l.trans.rotate[0]=u.trans.rotate[0]);break;case"counterclock":u.trans.rotate?(l.trans.rotate[0]=u.trans.rotate[0]-360,y=-u.trans.rotate[0]%360,l.trans.rotate[0]+=180>y?y:y-360):l.trans.rotate[0]=-360;break;default:u.trans.rotate?(l.trans.rotate[0]=u.trans.rotate[0]+360,y=u.trans.rotate[0]%360,l.trans.rotate[0]+=180>y?-y:360-y):l.trans.rotate[0]=360}}this._curIconItems=n(this._fromIconItems)}},i.prototype._updateAnimationProgress=function(r){r=c[this._easing](r);var n,i,h,u;for(n=0,u=this._curIconItems.length;u>n;n++)this._curIconItems[n].curve=o(this._fromIconItems[n].curve,this._toIconItems[n].curve,r),this._curIconItems[n].path=A(this._curIconItems[n].curve),this._curIconItems[n].attrsNorm=t(this._fromIconItems[n].attrsNorm,this._toIconItems[n].attrsNorm,r),this._curIconItems[n].attrs=e(this._curIconItems[n].attrsNorm),this._curIconItems[n].styleNorm=t(this._fromIconItems[n].styleNorm,this._toIconItems[n].styleNorm,r),this._curIconItems[n].style=e(this._curIconItems[n].styleNorm),this._curIconItems[n].trans=a(this._fromIconItems[n].trans,this._toIconItems[n].trans,r),this._curIconItems[n].transStr=s(this._curIconItems[n].trans);for(n=0,u=this._morphNodes.length;u>n;n++){var l=this._morphNodes[n];l.node.setAttribute("d",this._curIconItems[n].path);var p=this._curIconItems[n].attrs;for(i in p)l.node.setAttribute(i,p[i]);var f=this._curIconItems[n].style;for(h in f)l.node.style[h]=f[h];l.node.setAttribute("transform",this._curIconItems[n].transStr)}},i.prototype._animationEnd=function(){for(var t=this._morphNodes.length-1;t>=0;t--){var e=this._morphNodes[t];this._icons[this._toIconId].items[t]?e.node.setAttribute("d",this._icons[this._toIconId].items[t].path):(e.node.parentNode.removeChild(e.node),this._morphNodes.splice(t,1))}this._curIconId=this._toIconId,this._toIconId="",this._callback()},i.prototype.to=function(t,e,r){if(t!==this._toIconId){if(e&&typeof e!=typeof{})throw new Error('SVGMorpheus.to() > "options" parameter must be an object');if(e=e||{},r&&"function"!=typeof r)throw new Error('SVGMorpheus.to() > "callback" parameter must be a function');u(this._rafid),this._duration=e.duration||this._defDuration,this._easing=e.easing||this._defEasing,this._rotation=e.rotation||this._defRotation,this._callback=r||this._defCallback,this._setupAnimation(t),this._rafid=h(this._fnTick)}},i.prototype.registerEasing=function(t,e){c[t]=e},i}();
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