paper.js/dist/paper-full.min.js

/*!
 * Paper.js v0.9.25-develop - The Swiss Army Knife of Vector Graphics Scripting.
 * http://paperjs.org/
 *
 * Copyright (c) 2011 - 2016, Juerg Lehni & Jonathan Puckey
 * http://scratchdisk.com/ & http://jonathanpuckey.com/
 *
 * Distributed under the MIT license. See LICENSE file for details.
 *
 * All rights reserved.
 *
 * Date: Wed Feb 10 14:58:40 2016 +0100
 *
 ***
 *
 * Straps.js - Class inheritance library with support for bean-style accessors
 *
 * Copyright (c) 2006 - 2016 Juerg Lehni
 * http://scratchdisk.com/
 *
 * Distributed under the MIT license.
 *
 ***
 *
 * Acorn.js
 * http://marijnhaverbeke.nl/acorn/
 *
 * Acorn is a tiny, fast JavaScript parser written in JavaScript,
 * created by Marijn Haverbeke and released under an MIT license.
 *
 */
var paper=function(t,e){var n=t?t.window:require("./node/window"),i=n&&n.document;t=t||n;var r=new function(){function t(t,e,n,i,a){function o(s,o){o=o||(o=u(e,s))&&(o.get?o:o.value),"string"==typeof o&&"#"===o[0]&&(o=t[o.substring(1)]||o);var l,d="function"==typeof o,f=o,g=a||d&&!o.base?o&&o.get?s in t:t[s]:null;a&&g||(d&&g&&(o.base=g),d&&i!==!1&&(l=s.match(/^([gs]et|is)(([A-Z])(.*))$/))&&(h[l[3].toLowerCase()+l[4]]=l[2]),f&&!d&&f.get&&"function"==typeof f.get&&r.isPlainObject(f)||(f={value:f,writable:!0}),(u(t,s)||{configurable:!0}).configurable&&(f.configurable=!0,f.enumerable=n),c(t,s,f))}var h={};if(e){for(var l in e)e.hasOwnProperty(l)&&!s.test(l)&&o(l);for(var l in h){var d=h[l],f=t["set"+d],g=t["get"+d]||f&&t["is"+d];!g||i!==!0&&0!==g.length||o(l,{get:g,set:f})}}return t}function n(t,e,n){return t&&("length"in t&&!t.getLength&&"number"==typeof t.length?a:o).call(t,e,n=n||t),n}function i(t,e,n){for(var i in e)!e.hasOwnProperty(i)||n&&n[i]||(t[i]=e[i]);return t}var s=/^(statics|enumerable|beans|preserve)$/,a=[].forEach||function(t,e){for(var n=0,i=this.length;i>n;n++)t.call(e,this[n],n,this)},o=function(t,e){for(var n in this)this.hasOwnProperty(n)&&t.call(e,this[n],n,this)},h=Object.create||function(t){return{__proto__:t}},u=Object.getOwnPropertyDescriptor||function(t,e){var n=t.__lookupGetter__&&t.__lookupGetter__(e);return n?{get:n,set:t.__lookupSetter__(e),enumerable:!0,configurable:!0}:t.hasOwnProperty(e)?{value:t[e],enumerable:!0,configurable:!0,writable:!0}:null},l=Object.defineProperty||function(t,e,n){return(n.get||n.set)&&t.__defineGetter__?(n.get&&t.__defineGetter__(e,n.get),n.set&&t.__defineSetter__(e,n.set)):t[e]=n.value,t},c=function(t,e,n){return delete t[e],l(t,e,n)};return t(function(){for(var t=0,e=arguments.length;e>t;t++)i(this,arguments[t])},{inject:function(e){if(e){var n=e.statics===!0?e:e.statics,i=e.beans,r=e.preserve;n!==e&&t(this.prototype,e,e.enumerable,i,r),t(this,n,!0,i,r)}for(var s=1,a=arguments.length;a>s;s++)this.inject(arguments[s]);return this},extend:function(){for(var e,n,i,r=this,s=0,a=arguments.length;a>s&&(!e||!n);s++)i=arguments[s],e=e||i.initialize,n=n||i.prototype;return e=e||function(){r.apply(this,arguments)},n=e.prototype=n||h(this.prototype),c(n,"constructor",{value:e,writable:!0,configurable:!0}),t(e,this,!0),arguments.length&&this.inject.apply(e,arguments),e.base=r,e}},!0).inject({inject:function(){for(var e=0,n=arguments.length;n>e;e++){var i=arguments[e];i&&t(this,i,i.enumerable,i.beans,i.preserve)}return this},extend:function(){var t=h(this);return t.inject.apply(t,arguments)},each:function(t,e){return n(this,t,e)},set:function(t){return i(this,t)},clone:function(){return new this.constructor(this)},statics:{each:n,create:h,define:c,describe:u,set:i,clone:function(t){return i(new t.constructor,t)},isPlainObject:function(t){var e=null!=t&&t.constructor;return e&&(e===Object||e===r||"Object"===e.name)},pick:function(t,n){return t!==e?t:n}}})};"undefined"!=typeof module&&(module.exports=r),r.inject({toString:function(){return null!=this._id?(this._class||"Object")+(this._name?" '"+this._name+"'":" @"+this._id):"{ "+r.each(this,function(t,e){if(!/^_/.test(e)){var n=typeof t;this.push(e+": "+("number"===n?h.instance.number(t):"string"===n?"'"+t+"'":t))}},[]).join(", ")+" }"},getClassName:function(){return this._class||""},exportJSON:function(t){return r.exportJSON(this,t)},toJSON:function(){return r.serialize(this)},_set:function(t,n,i){if(t&&(i||r.isPlainObject(t))){for(var s=Object.keys(t._filtering||t),a=0,o=s.length;o>a;a++){var h=s[a];if(!n||!n[h]){var u=t[h];u!==e&&(this[h]=u)}}return!0}},statics:{exports:{enumerable:!0},extend:function rt(){var t=rt.base.apply(this,arguments),e=t.prototype._class;return e&&!r.exports[e]&&(r.exports[e]=t),t},equals:function(t,e){if(t===e)return!0;if(t&&t.equals)return t.equals(e);if(e&&e.equals)return e.equals(t);if(t&&e&&"object"==typeof t&&"object"==typeof e){if(Array.isArray(t)&&Array.isArray(e)){var n=t.length;if(n!==e.length)return!1;for(;n--;)if(!r.equals(t[n],e[n]))return!1}else{var i=Object.keys(t),n=i.length;if(n!==Obje
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var o=r[s];o!==i&&o.draw(t,e)}}}),b=x.extend({_class:"Layer",initialize:function(){x.apply(this,arguments)},_getOwner:function(){return this._parent||null!=this._index&&this._project},isInserted:function gt(){return this._parent?gt.base.call(this):null!=this._index},activate:function(){this._project._activeLayer=this},_hitTestSelf:function(){return null}}),C=w.extend({_class:"Shape",_applyMatrix:!1,_canApplyMatrix:!1,_canScaleStroke:!0,_boundsSelected:!0,_serializeFields:{type:null,size:null,radius:null},initialize:function(t){this._initialize(t)},_equals:function(t){return this._type===t._type&&this._size.equals(t._size)&&r.equals(this._radius,t._radius)},copyContent:function(t){this.setType(t._type),this.setSize(t._size),this.setRadius(t._radius)},getType:function(){return this._type},setType:function(t){this._type=t},getShape:"#getType",setShape:"#setType",getSize:function(){var t=this._size;return new g(t.width,t.height,this,"setSize")},setSize:function(){var t=f.read(arguments);if(this._size){if(!this._size.equals(t)){var e=this._type,n=t.width,i=t.height;if("rectangle"===e){var r=f.min(this._radius,t.divide(2));this._radius.set(r.width,r.height)}else"circle"===e?(n=i=(n+i)/2,this._radius=n/2):"ellipse"===e&&this._radius.set(n/2,i/2);this._size.set(n,i),this._changed(9)}}else this._size=t.clone()},getRadius:function(){var t=this._radius;return"circle"===this._type?t:new g(t.width,t.height,this,"setRadius")},setRadius:function(t){var e=this._type;if("circle"===e){if(t===this._radius)return;var n=2*t;this._radius=t,this._size.set(n,n)}else if(t=f.read(arguments),this._radius){if(this._radius.equals(t))return;if(this._radius.set(t.width,t.height),"rectangle"===e){var n=f.max(this._size,t.multiply(2));this._size.set(n.width,n.height)}else"ellipse"===e&&this._size.set(2*t.width,2*t.height)}else this._radius=t.clone();this._changed(9)},isEmpty:function(){return!1},toPath:function(t){var n=new(E[r.capitalize(this._type)])({center:new c,size:this._size,radius:this._radius,insert:!1});return n.copyAttributes(this),paper.settings.applyMatrix&&n.setApplyMatrix(!0),(t===e||t)&&n.insertAbove(this),n},toShape:"#clone",_draw:function(t,e,n){var i=this._style,r=i.hasFill(),s=i.hasStroke(),a=e.dontFinish||e.clip,o=!n;if(r||s||a){var h=this._type,u=this._radius,l="circle"===h;if(e.dontStart||t.beginPath(),o&&l)t.arc(0,0,u,0,2*Math.PI,!0);else{var c=l?u:u.width,d=l?u:u.height,f=this._size,g=f.width,_=f.height;if(o&&"rectangle"===h&&0===c&&0===d)t.rect(-g/2,-_/2,g,_);else{var v=g/2,p=_/2,m=.44771525016920644,y=c*m,w=d*m,x=[-v,-p+d,-v,-p+w,-v+y,-p,-v+c,-p,v-c,-p,v-y,-p,v,-p+w,v,-p+d,v,p-d,v,p-w,v-y,p,v-c,p,-v+c,p,-v+y,p,-v,p-w,-v,p-d];n&&n.transform(x,x,32),t.moveTo(x[0],x[1]),t.bezierCurveTo(x[2],x[3],x[4],x[5],x[6],x[7]),v!==c&&t.lineTo(x[8],x[9]),t.bezierCurveTo(x[10],x[11],x[12],x[13],x[14],x[15]),p!==d&&t.lineTo(x[16],x[17]),t.bezierCurveTo(x[18],x[19],x[20],x[21],x[22],x[23]),v!==c&&t.lineTo(x[24],x[25]),t.bezierCurveTo(x[26],x[27],x[28],x[29],x[30],x[31])}}t.closePath()}a||!r&&!s||(this._setStyles(t),r&&(t.fill(i.getFillRule()),t.shadowBlur=0),s&&t.stroke())},_canComposite:function(){return!(this.hasFill()&&this.hasStroke())},_getBounds:function(t,e,n,i){var r=new _(this._size).setCenter(0,0),s=this._style,a=s.hasStroke()&&/^get(?:Stroke|Rough)Bounds$/.test(t)&&s.getStrokeWidth();return e&&(r=e._transformBounds(r)),a?r.expand(E._getStrokePadding(a,this._getStrokeMatrix(e,i))):r}},new function(){function t(t,e,n){var i=t._radius;if(!i.isZero())for(var r=t._size.divide(2),s=0;4>s;s++){var a=new c(1&s?1:-1,s>1?1:-1),o=a.multiply(r),h=o.subtract(a.multiply(i)),u=new _(o,h);if((n?u.expand(n):u).contains(e))return h}}function e(t,e,n,i){var r=t.divide(e);return(!i||r.quadrant===i)&&r.subtract(r.normalize()).multiply(e).divide(n).length<=1}return{_contains:function n(e){if("rectangle"===this._type){var i=t(this,e);return i?e.subtract(i).divide(this._radius).getLength()<=1:n.base.call(this,e)}return e.divide(this.size).getLength()<=.5},_hitTestSelf:function i(n,r){var s=!1,a=this._style;if(r.stroke&&a.hasStroke()){var o=this._type,h=thi
if(z){for(var O=0;2>O;O++){var E=z[O];t(h,u,n,r,E[0],null,i,o,E[1],null,!0)}return h}var L=T.isStraight(n),N=T.isStraight(i),B=L&&N,R=h.length;if((B?a:L||N?s:e)(n,i,r,o,h,u,0,1,0,1,0,0),B&&h.length>R)return h;var F=new c(d,f),D=new c(g,_),j=new c(v,p),q=new c(m,y);return F.isClose(j,l)&&t(h,u,n,r,0,F,i,o,0,j),!u.excludeStart&&F.isClose(q,l)&&t(h,u,n,r,0,F,i,o,1,q),!u.excludeEnd&&D.isClose(j,l)&&t(h,u,n,r,1,D,i,o,0,j),D.isClose(q,l)&&t(h,u,n,r,1,D,i,o,1,q),h},_getSelfIntersection:function(t,e,n,i){var r=t[0],s=t[1],a=t[2],o=t[3],h=t[4],l=t[5],d=t[6],f=t[7],g=new m(r,s,d,f,!1),_=g.getSide(new c(a,o),!0),v=g.getSide(new c(h,l),!0);if(_===v){var p=(r-h)*(o-f)+(a-d)*(l-s);if(p*_>0)return n}var y=d-3*h+3*a-r,w=h-2*a+r,x=a-r,b=f-3*l+3*o-s,C=l-2*o+s,S=o-s,k=b*x-y*S,I=b*w-y*C,P=C*x-w*S;if(0>k*k-4*I*P){var M,A=[],z=u.solveCubic(y*y+b*b,3*(y*w+b*C),2*(w*w+C*C)+y*x+b*S,w*x+C*S,A,0,1);if(z>0){for(var O=0,E=0;z>O;O++){var L=Math.abs(e.getCurvatureAtTime(A[O]));L>E&&(E=L,M=A[O])}var N=T.subdivide(t,M);i.excludeEnd=!0,i.renormalize=function(t,e){return[t*M,e*(1-M)+M]},T._getIntersections(N[0],N[1],e,e,n,i)}}return n},getOverlaps:function(t,e){function n(t){var e=t[6]-t[0],n=t[7]-t[1];return e*e+n*n}var i=Math.abs,r=4e-7,s=2e-7,a=T.isStraight(t),o=T.isStraight(e),h=a&&o,u=n(t)<n(e),l=u?e:t,d=u?t:e,f=new m(l[0],l[1],l[6],l[7]);if(f.getDistance(new c(d[0],d[1]))<s&&f.getDistance(new c(d[6],d[7]))<s)!h&&f.getDistance(new c(l[2],l[3]))<s&&f.getDistance(new c(l[4],l[5]))<s&&f.getDistance(new c(d[2],d[3]))<s&&f.getDistance(new c(d[4],d[5]))<s&&(a=o=h=!0);else if(h)return null;if(a^o)return null;for(var g=[t,e],_=[],v=0,p=0;2>v&&_.length<2;v+=0===p?0:1,p=1^p){var y=T.getTimeOf(g[1^v],new c(g[v][0===p?0:6],g[v][0===p?1:7]));if(null!=y){var w=0===v?[p,y]:[y,p];(0===_.length||i(w[0]-_[0][0])>r&&i(w[1]-_[0][1])>r)&&_.push(w)}if(1===v&&0===_.length)break}if(2!==_.length)_=null;else if(!h){var x=T.getPart(t,_[0][0],_[1][0]),b=T.getPart(e,_[0][1],_[1][1]);(i(b[2]-x[2])>s||i(b[3]-x[3])>s||i(b[4]-x[4])>s||i(b[5]-x[5])>s)&&(_=null)}return _}}}}),z=r.extend({_class:"CurveLocation",beans:!0,initialize:function(t,e,n,i,r){if(e>.9999996){var s=t.getNext();s&&(e=0,t=s)}this._setCurve(t),this._time=e,this._point=n||t.getPointAtTime(e),this._overlap=i,this._distance=r,this._intersection=this._next=this._previous=null},_setCurve:function(t){var e=t._path;this._path=e,this._version=e?e._version:0,this._curve=t,this._segment=null,this._segment1=t._segment1,this._segment2=t._segment2},_setSegment:function(t){this._setCurve(t.getCurve()),this._segment=t,this._time=t===this._segment1?0:1,this._point=t._point.clone()},getSegment:function(){var t=this.getCurve(),e=this._segment;if(!e){var n=this.getTime();0===n?e=t._segment1:1===n?e=t._segment2:null!=n&&(e=t.getPartLength(0,n)<t.getPartLength(n,1)?t._segment1:t._segment2),this._segment=e}return e},getCurve:function(){function t(t){var e=t&&t.getCurve();return e&&null!=(n._time=e.getTimeOf(n._point))?(n._setCurve(e),n._segment=t,e):void 0}var e=this._path,n=this;return e&&e._version!==this._version&&(this._time=this._curve=this._offset=null),this._curve||t(this._segment)||t(this._segment1)||t(this._segment2.getPrevious())},getPath:function(){var t=this.getCurve();return t&&t._path},getIndex:function(){var t=this.getCurve();return t&&t.getIndex()},getTime:function(){var t=this.getCurve(),e=this._time;return t&&null==e?this._time=t.getTimeOf(this._point):e},getParameter:"#getTime",getPoint:function(){return this._point},getOffset:function(){var t=this._offset;if(null==t){t=0;var e=this.getPath(),n=this.getIndex();if(e&&null!=n)for(var i=e.getCurves(),r=0;n>r;r++)t+=i[r].getLength();this._offset=t+=this.getCurveOffset()}return t},getCurveOffset:function(){var t=this.getCurve(),e=this.getTime();return null!=e&&t&&t.getPartLength(0,e)},getIntersection:function(){return this._intersection},getDistance:function(){return this._distance},divide:function(){var t=this.getCurve(),e=null;return t&&(e=t.divideAtTime(this.getTime()),e&&this._setSegment(e._segment1)),e},split:function(){var t=this.getCurve();return t?t.splitAtTime(thi
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