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The Swiss Army Knife of Vector Graphics Scripting

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/*! * Paper.js v0.12.18 - The Swiss Army Knife of Vector Graphics Scripting. * http://paperjs.org/ * * Copyright (c) 2011 - 2020, Jürg Lehni & Jonathan Puckey * http://juerglehni.com/ & https://puckey.studio/ * * Distributed under the MIT license. See LICENSE file for details. * * All rights reserved. * * Date: Wed Jul 17 14:57:24 2024 +0200 * *** * * Straps.js - Class inheritance library with support for bean-style accessors * * Copyright (c) 2006 - 2020 Jürg Lehni * http://juerglehni.com/ * * Distributed under the MIT license. * *** * * Acorn.js * https://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(w,R){var A=(w=w||require("./node/self.js")).window,T=w.document,j=new function(){function n(t,e,n){var i;return t&&((i=f(t,"length"))&&"number"==typeof i.value?s:function(t,e){for(var n in this)this.hasOwnProperty(n)&&t.call(e,this[n],n,this)}).call(t,e,n=n||t),n}var r=/^(statics|enumerable|beans|preserve)$/,t=[],i=t.slice,a=Object.create,f=Object.getOwnPropertyDescriptor,d=Object.defineProperty,s=t.forEach||function(t,e){for(var n=0,i=this.length;n<i;n++)t.call(e,this[n],n,this)},o=Object.assign||function(t){for(var e=1,n=arguments.length;e<n;e++){var i,r=arguments[e];for(i in r)r.hasOwnProperty(i)&&(t[i]=r[i])}return t};function h(a,o,h,u,l){var c={};function t(t,e){var n,i="function"==typeof(e="string"==typeof(e=e||(e=f(o,t))&&(e.get?e:e.value))&&"#"===e[0]?a[e.substring(1)]||e:e),r=e,s=l||i&&!e.base?e&&e.get?t in a:a[t]:null;l&&s||(i&&s&&(e.base=s),i&&!1!==u&&(n=t.match(/^([gs]et|is)(([A-Z])(.*))$/))&&(c[n[3].toLowerCase()+n[4]]=n[2]),r&&!i&&r.get&&"function"==typeof r.get&&_.isPlainObject(r)||(r={value:r,writable:!0}),(f(a,t)||{configurable:!0}).configurable&&(r.configurable=!0,r.enumerable=null!=h?h:!n),d(a,t,r))}if(o){for(var e in o)o.hasOwnProperty(e)&&!r.test(e)&&t(e);for(var e in c){var n=c[e],i=a["set"+n],n=a["get"+n]||i&&a["is"+n];!n||!0!==u&&0!==n.length||t(e,{get:n,set:i})}}return a}function _(){for(var t=0,e=arguments.length;t<e;t++){var n=arguments[t];n&&o(this,n)}return this}return h(_,{inject:function(t){var e,n,i;t&&(e=!0===t.statics?t:t.statics,n=t.beans,i=t.preserve,e!==t&&h(this.prototype,t,t.enumerable,n,i),h(this,e,null,n,i));for(var r=1,s=arguments.length;r<s;r++)this.inject(arguments[r]);return this},extend:function(){for(var t,e,n,i=this,r=0,s=arguments.length;r<s&&(!t||!e);r++)n=arguments[r],t=t||n.initialize,e=e||n.prototype;return e=(t=t||function(){i.apply(this,arguments)}).prototype=e||a(this.prototype),d(e,"constructor",{value:t,writable:!0,configurable:!0}),h(t,this),arguments.length&&this.inject.apply(t,arguments),t.base=i,t}}).inject({enumerable:!1,initialize:_,set:_,inject:function(){for(var t=0,e=arguments.length;t<e;t++){var n=arguments[t];n&&h(this,n,n.enumerable,n.beans,n.preserve)}return this},extend:function(){var t=a(this);return t.inject.apply(t,arguments)},each:function(t,e){return n(this,t,e)},clone:function(){return new this.constructor(this)},statics:{set:o,each:n,create:a,define:d,describe:f,clone:function(t){return o(new t.constructor,t)},isPlainObject:function(t){t=null!=t&&t.constructor;return t&&(t===Object||t===_||"Object"===t.name)},pick:function(t,e){return t!==R?t:e},slice:function(t,e,n){return i.call(t,e,n)}}})};"undefined"!=typeof module&&(module.exports=j),j.inject({enumerable:!1,toString:function(){return null!=this._id?(this._class||"Object")+(this._name?" 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t=b.read(arguments),e=Math.max(this.x,t.x),n=Math.max(this.y,t.y),i=Math.min(this.x+this.width,t.x+t.width),t=Math.min(this.y+this.height,t.y+t.height);return new b(e,n,i-e,t-n)},unite:function(){var t=b.read(arguments),e=Math.min(this.x,t.x),n=Math.min(this.y,t.y),i=Math.max(this.x+this.width,t.x+t.width),t=Math.max(this.y+this.height,t.y+t.height);return new b(e,n,i-e,t-n)},include:function(){var t=E.read(arguments),e=Math.min(this.x,t.x),n=Math.min(this.y,t.y),i=Math.max(this.x+this.width,t.x),t=Math.max(this.y+this.height,t.y);return new b(e,n,i-e,t-n)},expand:function(){var t=O.read(arguments),e=t.width,t=t.height;return new b(this.x-e/2,this.y-t/2,this.width+e,this.height+t)},scale:function(t,e){return this.expand(this.width*t-this.width,this.height*(e===R?t:e)-this.height)}},j.each([["Top","Left"],["Top","Right"],["Bottom","Left"],["Bottom","Right"],["Left","Center"],["Top","Center"],["Right","Center"],["Bottom","Center"]],function(t,e){var n=t.join(""),i=/^[RL]/.test(n);4<=e&&(t[1]+=i?"Y":"X");var e=t[i?0:1],i=t[i?1:0],r="get"+e,s="get"+i,a="set"+e,o="set"+i,h="set"+n;this["get"+n]=function(t){return new(t?E:u)(this[r](),this[s](),this,h)},this[h]=function(){var t=E.read(arguments);this[a](t.x),this[o](t.y)}},{beans:!0})),r=b.extend({initialize:function(t,e,n,i,r,s){this._set(t,e,n,i,!0),this._owner=r,this._setter=s},_set:function(t,e,n,i,r){return this._x=t,this._y=e,this._width=n,this._height=i,r||this._owner[this._setter](this),this}},new function(){var n=b.prototype;return j.each(["x","y","width","height"],function(t){var e=j.capitalize(t),n="_"+t;this["get"+e]=function(){return this[n]},this["set"+e]=function(t){this[n]=t,this._dontNotify||this._owner[this._setter](this)}},j.each(["Point","Size","Center","Left","Top","Right","Bottom","CenterX","CenterY","TopLeft","TopRight","BottomLeft","BottomRight","LeftCenter","TopCenter","RightCenter","BottomCenter"],function(t){var e="set"+t;this[e]=function(){this._dontNotify=!0,n[e].apply(this,arguments),this._dontNotify=!1,this._owner[this._setter](this)}},{isSelected:function(){return!!(2&this._owner._selection)},setSelected:function(t){var e=this._owner;e._changeSelection&&e._changeSelection(2,t)}}))}),z=j.extend({_class:"Matrix",initialize:function t(e,n){var i=arguments,r=i.length,s=!0;if(6<=r?this._set.apply(this,i):1===r||2===r?e instanceof t?this._set(e._a,e._b,e._c,e._d,e._tx,e._ty,n):Array.isArray(e)?this._set.apply(this,n?e.concat([n]):e):s=!1:r?s=!1:this.reset(),!s)throw new Error("Unsupported matrix parameters");return this},set:"#initialize",_set:function(t,e,n,i,r,s,a){return this._a=t,this._b=e,this._c=n,this._d=i,this._tx=r,this._ty=s,a||this._changed(),this},_serialize:function(t,e){return j.serialize(this.getValues(),t,!0,e)},_changed:function(){var t=this._owner;t&&(t._applyMatrix?t.transform(null,!0):t._changed(25))},clone:function(){return new z(this._a,this._b,this._c,this._d,this._tx,this._ty)},equals:function(t){return t===this||t&&this._a===t._a&&this._b===t._b&&this._c===t._c&&this._d===t._d&&this._tx===t._tx&&this._ty===t._ty},toString:function(){var t=x.instance;return"[["+[t.number(this._a),t.number(this._c),t.number(this._tx)].join(", ")+"], ["+[t.number(this._b),t.number(this._d),t.number(this._ty)].join(", ")+"]]"},reset:function(t){return this._a=this._d=1,this._b=this._c=this._tx=this._ty=0,t||this._changed(),this},apply:function(t,e){var n=this._owner;return!!n&&(n.transform(null,j.pick(t,!0),e),this.isIdentity())},translate:function(){var t=E.read(arguments),e=t.x,t=t.y;return this._tx+=e*this._a+t*this._c,this._ty+=e*this._b+t*this._d,this._changed(),this},scale:function(){var t=arguments,e=E.read(t),t=E.read(t,0,{readNull:!0});return t&&this.translate(t),this._a*=e.x,this._b*=e.x,this._c*=e.y,this._d*=e.y,t&&this.translate(t.negate()),this._changed(),this},rotate:function(t){t*=Math.PI/180;var e=E.read(arguments,1),n=e.x,i=e.y,r=Math.cos(t),s=Math.sin(t),a=n-n*r+i*s,o=i-n*s-i*r,h=this._a,e=this._b,n=this._c,i=this._d;return this._a=r*h+s*n,this._b=r*e+s*i,this._c=-s*h+r*n,this._d=-s*e+r*i,this._tx+=a*h+o*n,this._ty+=a*e+o*i,this._changed(),this},shear:function(){var t=arguments,e=E.read(t),n=E.read(t,0,{readNull:!0});n&&this.translate(n);var i=this._a,t=this._b;return this._a+=e.y*this._c,this._b+=e.y*this._d,this._c+=e.x*i,this._d+=e.x*t,n&&this.translate(n.negate()),this._changed(),this},skew:function(){var t=arguments,e=E.read(t),n=E.read(t,0,{readNull:!0}),t=Math.PI/180,t=new E(Math.tan(e.x*t),Math.tan(e.y*t));return this.shear(t,n)},append:function(t,e){var n,i,r,s,a,o,h,u,l;return t&&(n=this._a,i=this._b,r=this._c,s=this._d,a=t._a,o=t._c,h=t._b,u=t._d,l=t._tx,t=t._ty,this._a=a*n+h*r,this._c=o*n+u*r,this._b=a*i+h*s,this._d=o*i+u*s,this._tx+=l*n+t*r,this._ty+=l*i+t*s,e||this._changed()),this},prepend:function(t,e){var n,i,r,s,a,o,h,u,l,c,f;return t&&(n=this._a,i=this._b,r=this._c,s=this._d,a=this._tx,o=this._ty,h=t._a,u=t._c,l=t._b,c=t._d,f=t._tx,t=t._ty,this._a=h*n+u*i,this._c=h*r+u*s,this._b=l*n+c*i,this._d=l*r+c*s,this._tx=h*a+u*o+f,this._ty=l*a+c*o+t,e||this._changed()),this},appended:function(t){return this.clone().append(t)},prepended:function(t){return this.clone().prepend(t)},invert:function(){var t=this._a,e=this._b,n=this._c,i=this._d,r=this._tx,s=this._ty,a=t*i-e*n,o=null;return a&&!isNaN(a)&&isFinite(r)&&isFinite(s)&&(this._a=i/a,this._b=-e/a,this._c=-n/a,this._d=t/a,this._tx=(n*s-i*r)/a,this._ty=(e*r-t*s)/a,o=this),o},inverted:function(){return this.clone().invert()},concatenate:"#append",preConcatenate:"#prepend",chain:"#appended",_shiftless:function(){return new z(this._a,this._b,this._c,this._d,0,0)},_orNullIfIdentity:function(){return this.isIdentity()?null:this},isIdentity:function(){return 1===this._a&&0===this._b&&0===this._c&&1===this._d&&0===this._tx&&0===this._ty},isInvertible:function(){var t=this._a*this._d-this._c*this._b;return t&&!isNaN(t)&&isFinite(this._tx)&&isFinite(this._ty)},isSingular:function(){return!this.isInvertible()},transform:function(t,e,n){return arguments.length<3?this._transformPoint(E.read(arguments)):this._transformCoordinates(t,e,n)},_transformPoint:function(t,e,n){var i=t.x,t=t.y;return(e=e||new E)._set(i*this._a+t*this._c+this._tx,i*this._b+t*this._d+this._ty,n)},_transformCoordinates:function(t,e,n){for(var i=0,r=2*n;i<r;i+=2){var s=t[i],a=t[i+1];e[i]=s*this._a+a*this._c+this._tx,e[i+1]=s*this._b+a*this._d+this._ty}return e},_transformCorners:function(t){var e=t.x,n=t.y,i=e+t.width,t=n+t.height,t=[e,n,i,n,i,t,e,t];return this._transformCoordinates(t,t,4)},_transformBounds:function(t,e,n){for(var i=this._transformCorners(t),r=i.slice(0,2),s=r.slice(),a=2;a<8;a++){var o=i[a],h=1&a;o<r[h]?r[h]=o:o>s[h]&&(s[h]=o)}return(e=e||new b)._set(r[0],r[1],s[0]-r[0],s[1]-r[1],n)},inverseTransform:function(){return this._inverseTransform(E.read(arguments))},_inverseTransform:function(t,e,n){var i=this._a,r=this._b,s=this._c,a=this._d,o=this._tx,h=this._ty,u=i*a-r*s,l=null;return u&&!isNaN(u)&&isFinite(o)&&isFinite(h)&&(h=t.x-this._tx,t=t.y-this._ty,l=(e=e||new E)._set((h*a-t*s)/u,(t*i-h*r)/u,n)),l},decompose:function(){var t,e,n,i,r=this._a,s=this._b,a=this._c,o=this._d,h=r*o-s*a,u=Math.sqrt,l=Math.atan2,c=180/Math.PI;return i=0!==r||0!==s?(t=u(r*r+s*s),e=Math.acos(r/t)*(0<s?1:-1),n=[t,h/t],[l(r*a+s*o,t*t),0]):0!==a||0!==o?(i=u(a*a+o*o),e=Math.asin(a/i)*(0<o?1:-1),n=[h/i,i],[0,l(r*a+s*o,i*i)]):n=[e=0,0],{translation:this.getTranslation(),rotation:e*c,scaling:new E(n),skewing:new E(i[0]*c,i[1]*c)}},getValues:function(){return[this._a,this._b,this._c,this._d,this._tx,this._ty]},getTranslation:function(){return new E(this._tx,this._ty)},getScaling:function(){return this.decompose().scaling},getRotation:function(){return this.decompose().rotation},applyToContext:function(t){this.isIdentity()||t.transform(this._a,this._b,this._c,this._d,this._tx,this._ty)}},j.each(["a","b","c","d","tx","ty"],function(t){var e=j.capitalize(t),n="_"+t;this["get"+e]=function(){return this[n]},this["set"+e]=function(t){this[n]=t,this._changed()}},{})),L=j.extend({_class:"Line",initialize:function(t,e,n,i,r){(4<=arguments.length?(this._px=t,this._py=e,this._vx=n,this._vy=i,r):(this._px=t.x,this._py=t.y,this._vx=e.x,this._vy=e.y,n))||(this._vx-=this._px,this._vy-=this._py)},getPoint:function(){return new E(this._px,this._py)},getVector:function(){return new E(this._vx,this._vy)},getLength:function(){return this.getVector().getLength()},intersect:function(t,e){return L.intersect(this._px,this._py,this._vx,this._vy,t._px,t._py,t._vx,t._vy,!0,e)},getSide:function(t,e){return L.getSide(this._px,this._py,this._vx,this._vy,t.x,t.y,!0,e)},getDistance:function(t){return Math.abs(this.getSignedDistance(t))},getSignedDistance:function(t){return L.getSignedDistance(this._px,this._py,this._vx,this._vy,t.x,t.y,!0)},isCollinear:function(t){return E.isCollinear(this._vx,this._vy,t._vx,t._vy)},isOrthogonal:function(t){return E.isOrthogonal(this._vx,this._vy,t._vx,t._vy)},statics:{intersect:function(t,e,n,i,r,s,a,o,h,u){h||(n-=t,i-=e,a-=r,o-=s);h=n*o-i*a;if(!q.isMachineZero(h)){r=t-r,s=e-s,o=(a*s-o*r)/h,h=(n*s-i*r)/h;if(u||-1e-12<o&&o<1+1e-12&&-1e-12<h&&h<1+1e-12)return new E(t+(o=!u?o<=0?0:1<=o?1:o:o)*n,e+o*i)}},getSide:function(t,e,n,i,r,s,a,o){a||(n-=t,i-=e);t=r-t,e=t*i-(s-e)*n;return(e=!o&&q.isMachineZero(e)&&0<=(e=(t*n+t*n)/(n*n+i*i))&&e<=1?0:e)<0?-1:0<e?1:0},getSignedDistance:function(t,e,n,i,r,s,a){return a||(n-=t,i-=e),0===n?0<i?r-t:t-r:0===i?n<0?s-e:e-s:((r-t)*i-(s-e)*n)/(n<i?i*Math.sqrt(1+n*n/(i*i)):n*Math.sqrt(1+i*i/(n*n)))},getDistance:function(t,e,n,i,r,s,a){return Math.abs(L.getSignedDistance(t,e,n,i,r,s,a))}}}),i=e.extend({_class:"Project",_list:"projects",_reference:"project",_compactSerialize:!0,initialize:function(t){e.call(this,!0),this._children=[],this._namedChildren={},this._activeLayer=null,this._currentStyle=new I(null,null,this),this._view=Y.create(this,t||ut.getCanvas(1,1)),this._selectionItems={},this._selectionCount=0,this._updateVersion=0},_serialize:function(t,e){return j.serialize(this._children,t,!0,e)},_changed:function(t,e){1&t&&((r=this._view)&&(r._needsUpdate=!0,!r._requested&&r._autoUpdate&&r.requestUpdate()));var n,i,r,s=this._changes;s&&e&&((r=(n=this._changesById)[i=e._id])?r.flags|=t:s.push(n[i]={item:e,flags:t}))},clear:function(){for(var t=this._children,e=t.length-1;0<=e;e--)t[e].remove()},isEmpty:function(){return!this._children.length},remove:function t(){return!!t.base.call(this)&&(this._view&&this._view.remove(),!0)},getView:function(){return this._view},getCurrentStyle:function(){return this._currentStyle},setCurrentStyle:function(t){this._currentStyle.set(t)},getIndex:function(){return this._index},getOptions:function(){return this._scope.settings},getLayers:function(){return this._children},getActiveLayer:function(){return this._activeLayer||new a({project:this,insert:!0})},getSymbolDefinitions:function(){var n=[],i={};return this.getItems({class:s,match:function(t){var e=t._definition,t=e._id;return i[t]||(i[t]=!0,n.push(e)),!1}}),n},getSymbols:"getSymbolDefinitions",getSelectedItems:function(){var t,e=this._selectionItems,n=[];for(t in e){var i=e[t],r=i._selection;1&r&&i.isInserted()?n.push(i):r||this._updateSelection(i)}return n},_updateSelection:function(t){var e=t._id,n=this._selectionItems;t._selection?n[e]!==t&&(this._selectionCount++,n[e]=t):n[e]===t&&(this._selectionCount--,delete n[e])},selectAll:function(){for(var t=this._children,e=0,n=t.length;e<n;e++)t[e].setFullySelected(!0)},deselectAll:function(){var t,e=this._selectionItems;for(t in e)e[t].setFullySelected(!1)},addLayer:function(t){return this.insertLayer(R,t)},insertLayer:function(t,e){return e instanceof a?(e._remove(!1,!0),j.splice(this._children,[e],t,0),e._setProject(this,!0),(t=e._name)&&e.setName(t),this._changes&&e._changed(5),this._activeLayer||(this._activeLayer=e)):e=null,e},_insertItem:function(t,e,n){return e=this.insertLayer(t,e)||(this._activeLayer||this._insertItem(R,new a(V.NO_INSERT),!0)).insertChild(t,e),n&&e.activate&&e.activate(),e},getItems:function(t){return V._getItems(this,t)},getItem:function(t){return V._getItems(this,t,null,null,!0)[0]||null},importJSON:function(t){this.activate();var e=this._activeLayer;return j.importJSON(t,e&&e.isEmpty()&&e)},removeOn:function(t){var e=this._removeSets;if(e){"mouseup"===t&&(e.mousedrag=null);var n=e[t];if(n){for(var i in n){var r,s=n[i];for(r in e){var a=e[r];a&&a!=n&&delete a[s._id]}s.remove()}e[t]=null}}},draw:function(t,e,n){this._updateVersion++,t.save(),e.applyToContext(t);for(var i=this._children,r=new j({offset:new E(0,0),pixelRatio:n,viewMatrix:e.isIdentity()?null:e,matrices:[new z],updateMatrix:!0}),s=0,a=i.length;s<a;s++)i[s].draw(t,r);if(t.restore(),0<this._selectionCount){t.save(),t.strokeWidth=1;var o,h=this._selectionItems,u=this._scope.settings.handleSize,l=this._updateVersion;for(o in h)h[o]._drawSelection(t,e,u,h,l);t.restore()}}}),V=j.extend(t,{statics:{extend:function t(e){return e._serializeFields&&(e._serializeFields=j.set({},this.prototype._serializeFields,e._serializeFields)),t.base.apply(this,arguments)},INSERT:{insert:!0},NO_INSERT:{insert:!1}},_class:"Item",_name:null,_applyMatrix:!0,_canApplyMatrix:!0,_canScaleStroke:!1,_pivot:null,_visible:!0,_blendMode:"normal",_opacity:1,_locked:!1,_guide:!1,_clipMask:!1,_selection:0,_selectBounds:!0,_selectChildren:!1,_serializeFields:{name:null,applyMatrix:null,matrix:new z,pivot:null,visible:!0,blendMode:"normal",opacity:1,locked:!1,guide:!1,clipMask:!1,selected:!1,data:{}},_prioritize:["applyMatrix"]},new function(){var t=["onMouseDown","onMouseUp","onMouseDrag","onClick","onDoubleClick","onMouseMove","onMouseEnter","onMouseLeave"];return j.each(t,function(t){this._events[t]={install:function(t){this.getView()._countItemEvent(t,1)},uninstall:function(t){this.getView()._countItemEvent(t,-1)}}},{_events:{onFrame:{install:function(){this.getView()._animateItem(this,!0)},uninstall:function(){this.getView()._animateItem(this,!1)}},onLoad:{},onError:{}},statics:{_itemHandlers:t}})},{initialize:function(){},_initialize:function(t,e){var n=t&&j.isPlainObject(t),i=n&&!0===t.internal,r=this._matrix=new z,s=n&&t.project||Bt.project,a=Bt.settings;return this._id=i?null:o.get(),this._parent=this._index=null,this._applyMatrix=this._canApplyMatrix&&a.applyMatrix,e&&r.translate(e),(r._owner=this)._style=new 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e,n=this._getOwner();t&&n&&(e=n._children,((n=n._namedChildren)[t]=n[t]||[]).push(this),t in e||(e[t]=this)),this._name=t||R,this._changed(256)},getStyle:function(){return this._style},setStyle:function(t){this.getStyle().set(t)}},j.each(["locked","visible","blendMode","opacity","guide"],function(e){var t=j.capitalize(e),n="_"+e,i={locked:256,visible:265};this["get"+t]=function(){return this[n]},this["set"+t]=function(t){t!=this[n]&&(this[n]=t,this._changed(i[e]||257))}},{}),{beans:!0,getSelection:function(){return this._selection},setSelection:function(t){t!==this._selection&&(this._selection=t,(t=this._project)&&(t._updateSelection(this),this._changed(257)))},_changeSelection:function(t,e){var n=this._selection;this.setSelection(e?n|t:n&~t)},isSelected:function(){if(this._selectChildren)for(var t=this._children,e=0,n=t.length;e<n;e++)if(t[e].isSelected())return!0;return!!(1&this._selection)},setSelected:function(t){if(this._selectChildren)for(var 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