jointjs/dist/vectorizer.min.js

JavaScript diagramming library

/*! JointJS v3.7.7 (2023-11-07) - JavaScript diagramming library


This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
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0===n.subdivisions?this.getSubdivisions({precision:e}):n.subdivisions},i=this.length(r)*t;return this.tAtLength(i,r)},tAtLength:function(t,n){var e=!0;t<0&&(e=!1,t=-t);for(var r,i,s,o,a,h=void 0===(n=n||{}).precision?this.PRECISION:n.precision,u=void 0===n.subdivisions?this.getSubdivisions({precision:h}):n.subdivisions,c={precision:h,subdivisions:u},l=0,f=u.length,d=1/f,g=0;g<f;g++){var v=e?g:f-1-g,p=u[g],m=p.endpointDistance();if(t<=l+m){r=p,i=v*d,s=(v+1)*d,o=e?t-l:m+l-t,a=e?m+l-t:t-l;break}l+=m}if(!r)return e?1:0;for(var y=this.length(c),x=_(10,-h);;){var w,b;if((0!==y?o/y:0)<x)return i;if((0!==y?a/y:0)<x)return s;var S=r.divide(.5);d/=2;var P=S[0].endpointDistance(),A=S[1].endpointDistance();b=o<=P?(r=S[0],s-=d,P-(w=o)):(r=S[1],i+=d,A-(w=o-P)),o=w,a=b}},toPoints:function(t){for(var n=void 0===(t=t||{}).precision?this.PRECISION:t.precision,e=void 0===t.subdivisions?this.getSubdivisions({precision:n}):t.subdivisions,r=[e[0].start.clone()],i=e.length,s=0;s<i;s++){var o=e[s];r.push(o.end.clone())}return r},toPolyline:function(t){return new X(this.toPoints(t))},toString:function(){return this.start+" "+this.controlPoint1+" "+this.controlPoint2+" "+this.end},translate:function(t,n){return this.start.translate(t,n),this.controlPoint1.translate(t,n),this.controlPoint2.translate(t,n),this.end.translate(t,n),this}},tt.prototype.divide=tt.prototype.divideAtT;var et=function(t){if(!(this instanceof et))return new et(t);if("string"==typeof t)return new et.parse(t);var n,e;if(this.segments=[],t)if(Array.isArray(t)&&0!==t.length)if(e=(t=t.reduce(function(t,n){return t.concat(n)},[])).length,t[0].isSegment)for(n=0;n<e;n++){var r=t[n];this.appendSegment(r)}else{var i=null;for(n=0;n<e;n++){var s=t[n];if(!(s instanceof N||s instanceof tt))throw new Error("Cannot construct a path segment from the provided object.");0===n&&this.appendSegment(et.createSegment("M",s.start)),i&&!i.end.equals(s.start)&&this.appendSegment(et.createSegment("M",s.start)),s instanceof N?this.appendSegment(et.createSegment("L",s.end)):s instanceof tt&&this.appendSegment(et.createSegment("C",s.controlPoint1,s.controlPoint2,s.end)),i=s}}else if(t.isSegment)this.appendSegment(t);else if(t instanceof N)this.appendSegment(et.createSegment("M",t.start)),this.appendSegment(et.createSegment("L",t.end));else if(t instanceof tt)this.appendSegment(et.createSegment("M",t.start)),this.appendSegment(et.createSegment("C",t.controlPoint1,t.controlPoint2,t.end));else{if(!(t instanceof X))throw new Error("Cannot construct a path from the provided object.");if(!t.points||0===t.points.length)return;for(e=t.points.length,n=0;n<e;n++){var o=t.points[n];0===n?this.appendSegment(et.createSegment("M",o)):this.appendSegment(et.createSegment("L",o))}}else;};function rt(t,n){return n.unshift(null),new(Function.prototype.bind.apply(t,n))}et.parse=function(t){if(!t)return new et;for(var n=new et,e=t.match(/(?:[a-zA-Z] *)(?:(?:-?\d+(?:\.\d+)?(?:e[-+]?\d+)? *,? *)|(?:-?\.\d+ *,? *))+|(?:[a-zA-Z] *)(?! |\d|-|\.)/g),r=e.length,i=0;i<r;i++){var s=e[i].match(/(?:[a-zA-Z])|(?:(?:-?\d+(?:\.\d+)?(?:e[-+]?\d+)?))|(?:(?:-?\.\d+))/g),o=et.createSegment.apply(this,s);n.appendSegment(o)}return n},et.createSegment=function(t){var n=arguments;if(!t)throw new Error("Type must be provided.");var e=et.segmentTypes[t];if(!e)throw new Error(t+" is not a recognized path segment type.");for(var r=[],i=arguments.length,s=1;s<i;s++)r.push(n[s]);return rt(e,r)},et.prototype={type:v.Path,appendSegment:function(t){var n,e=this.segments,r=e.length,i=0!==r?e[r-1]:null;if(Array.isArray(t)){if(!(t=t.reduce(function(t,n){return t.concat(n)},[]))[0].isSegment)throw new Error("Segments required.");for(var s=t.length,o=0;o<s;o++){var a=t[o];n=this.prepareSegment(a,i,null),e.push(n),i=n}}else{if(!t||!t.isSegment)throw new Error("Segment required.");n=this.prepareSegment(t,i,null),e.push(n)}},bbox:function(){var t,n=this.segments,e=n.length;if(0===e)return null;for(var r=0;r<e;r++){var i=n[r];if(i.isVisible){var s=i.bbox();t=t?t.union(s):s}}if(t)return t;var o=n[e-1];return new B(o.end.x,o.end.y,0,0)},clone:function(){for(var t=this.segments,n=t.length,e=new et,r=0;r<n;r++){var i=t[r].clone();e.appendSegment(i)}return e},closestPoint:function(t,n){var e=this.closestPointT(t,n);return e?this.pointAtT(e):null},closestPointLength:function(t,n){var e=void 0===(n=n||{}).precision?this.PRECISION:n.precision,r={precision:e,segmentSubdivisions:void 0===n.segmentSubdivisions?this.getSegmentSubdivisions({precision:e}):n.segmentSubdivisions},i=this.closestPointT(t,r);return i?this.lengthAtT(i,r):0},closestPointNormalizedLength:function(t,n){var e=void 0===(n=n||{}).precision?this.PRECISION:n.precision,r={precision:e,segmentSubdivisions:void 0===n.segmentSubdivisions?this.getSegmentSubdivisions({precision:e}):n.segmentSubdivisions},i=this.closestPointLength(t,r);if(0===i)return 0;var s=this.length(r);return 0===s?0:i/s},closestPointT:function(t,n){var e=this.segments,r=e.length;if(0===r)return null;for(var i,s=void 0===(n=n||{}).precision?this.PRECISION:n.precision,o=void 0===n.segmentSubdivisions?this.getSegmentSubdivisions({precision:s}):n.segmentSubdivisions,a=1/0,h=0;h<r;h++){var u=e[h],c=o[h];if(u.isVisible){var l=u.closestPointT(t,{precision:s,subdivisions:c}),f=u.pointAtT(l),d=new N(f,t).squaredLength();d<a&&(i={segmentIndex:h,value:l},a=d)}}return i||{segmentIndex:r-1,value:1}},closestPointTangent:function(t,n){var e=this.segments,r=e.length;if(0===r)return null;for(var i,s=void 0===(n=n||{}).precision?this.PRECISION:n.precision,o=void 0===n.segmentSubdivisions?this.getSegmentSubdivisions({precision:s}):n.segmentSubdivisions,a=1/0,h=0;h<r;h++){var u=e[h],c=o[h];if(u.isDifferentiable()){var l=u.closestPointT(t,{precision:s,subdivisions:c}),f=u.pointAtT(l),d=new N(f,t).squaredLength();d<a&&(i=u.tangentAtT(l),a=d)}}return i||null},containsPoint:function(t,n){var e=this.toPolylines(n);if(!e)return!1;for(var r=e.length,i=0,s=0;s<r;s++){e[s].containsPoint(t)&&i++}return i%2==1},divideAt:function(t,n){if(0===this.segments.length)return null;t<0&&(t=0),1<t&&(t=1);var e=void 0===(n=n||{}).precision?this.PRECISION:n.precision,r={precision:e,segmentSubdivisions:void 0===n.segmentSubdivisions?this.getSegmentSubdivisions({precision:e}):n.segmentSubdivisions},i=this.length(r)*t;return this.divideAtLength(i,r)},divideAtLength:function(t,n){var e=this.segments.length;if(0===e)return null;var r=!0;t<0&&(r=!1,t=-t);var i,s,o,a,h,u,c,l=void 0===(n=n||{}).precision?this.PRECISION:n.precision,f=void 0===n.segmentSubdivisions?this.getSegmentSubdivisions({precision:l}):n.segmentSubdivisions,d=0;for(i=0;i<e;i++){var g=r?i:e-1-i;s=this.getSegment(g);var v=f[g],p=s.length({precision:l,subdivisions:v});if(s.isDifferentiable()&&(h=s,u=g,t<=d+p)){a=g,o=s.divideAtLength((r?1:-1)*(t-d),{precision:l,subdivisions:v});break}d+=p}if(!h)return null;o||(a=u,c=r?1:0,o=h.divideAtT(c));var m=this.clone();m.replaceSegment(a,o);var y=a,x=a+1,w=a+2;o[0].isDifferentiable()||(m.removeSegment(y),x-=1,w-=1);var b=m.getSegment(x).start;m.insertSegment(x,et.createSegment("M",b)),w+=1,o[1].isDifferentiable()||(m.removeSegment(w-1),w-=1);var S=w-y-1;for(i=w;i<m.segments.length;i++){var P=this.getSegment(i-S);if("Z"===(s=m.getSegment(i)).type&&!P.subpathStartSegment.end.equals(s.subpathStartSegment.end)){var A=et.createSegment("L",P.end);m.replaceSegment(i,A)}}return[new et(m.segments.slice(0,x)),new et(m.segments.slice(x))]},equals:function(t){if(!t)return!1;var n=this.segments,e=t.segments,r=n.length;if(e.length!==r)return!1;for(var i=0;i<r;i++){var s=n[i],o=e[i];if(s.type!==o.type||!s.equals(o))return!1}return!0},getSegment:function(t){var n=this.segments,e=n.length;if(0===e)throw new Error("Path has no segments.");if(t<0&&(t=e+t),e<=t||t<0)throw new Error("Index out of range.");return n[t]},getSegmentSubdivisions:function(t){for(var n=this.segments,e=n.length,r=void 0===(t=t||{}).precision?this.PRECISION:t.precision,i=[],s=0;s<e;s++){var o=n[s].getSubdivisions({precision:r});i.push(o)}return i},getSubpaths:function(){for(var t=this.clone().validate().segments,n=t.length,e=[],r=0;r<n;r++){var i=t[r];i.isSubpathStart?e.push(new et(i)):e[e.length-1].appendSegment(i)}return e},insertSegment:function(t,n){var e,r=this.segments,i=r.length;if(t<0&&(t=i+t+1),i<t||t<0)throw new Error("Index out of range.");var s=null,o=null;if(0!==i&&(o=1<=t?(s=r[t-1]).nextSegment:r[0]),Array.isArray(n)){if(!(n=n.reduce(function(t,n){return t.concat(n)},[]))[0].isSegment)throw new Error("Segments required.");for(var a=n.length,h=0;h<a;h++){var u=n[h];e=this.prepareSegment(u,s,o),r.splice(t+h,0,e),s=e}}else{if(!n||!n.isSegment)throw new Error("Segment required.");e=this.prepareSegment(n,s,o),r.splice(t,0,e)}},intersectionWithLine:function(t,n){var e=null,r=this.toPolylines(n);if(!r)return null;for(var i=0,s=r.length;i<s;i++){var o=r[i],a=t.intersect(o);a&&(e||(e=[]),Array.isArray(a)?Array.prototype.push.apply(e,a):e.push(a))}return e},isDifferentiable:function(){for(var t=this.segments,n=t.length,e=0;e<n;e++){if(t[e].isDifferentiable())return!0}return!1},isValid:function(){var t=this.segments;return 0===t.length||"M"===t[0].type},length:function(t){var n=this.segments,e=n.length;if(0===e)return 0;for(var r=void 0===(t=t||{}).precision?this.PRECISION:t.precision,i=void 0===t.segmentSubdivisions?this.getSegmentSubdivisions({precision:r}):t.segmentSubdivisions,s=0,o=0;o<e;o++){var a=n[o],h=i[o];s+=a.length({subdivisions:h})}return s},lengthAtT:function(t,n){var e=this.segments,r=e.length;if(0===r)return 0;var i=t.segmentIndex;if(i<0)return 0;var s=t.value;r<=i?(i=r-1,s=1):s<0?s=0:1<s&&(s=1);for(var o,a=void 0===(n=n||{}).precision?this.PRECISION:n.precision,h=void 0===n.segmentSubdivisions?this.getSegmentSubdivisions({precision:a}):n.segmentSubdivisions,u=0,c=0;c<i;c++){var l=e[c];o=h[c],u+=l.length({precisison:a,subdivisions:o})}return l=e[i],o=h[i],u+=l.lengthAtT(s,{precisison:a,subdivisions:o})},pointAt:function(t,n){if(0===this.segments.length)return null;if(t<=0)return this.start.clone();if(1<=t)return this.end.clone();var e=void 0===(n=n||{}).precision?this.PRECISION:n.precision,r={precision:e,segmentSubdivisions:void 0===n.segmentSubdivisions?this.getSegmentSubdivisions({precision:e}):n.segmentSubdivisions},i=this.length(r)*t;return this.pointAtLength(i,r)},pointAtLength:function(t,n){var e=this.segments,r=e.length;if(0===r)return null;if(0===t)return this.start.clone();var i=!0;t<0&&(i=!1,t=-t);for(var s,o=void 0===(n=n||{}).precision?this.PRECISION:n.precision,a=void 0===n.segmentSubdivisions?this.getSegmentSubdivisions({precision:o}):n.segmentSubdivisions,h=0,u=0;u<r;u++){var c=i?u:r-1-u,l=e[c],f=a[c],d=l.length({precision:o,subdivisions:f});if(l.isVisible){if(t<=h+d)return l.pointAtLength((i?1:-1)*(t-h),{precision:o,subdivisions:f});s=l}h+=d}return s?i?s.end:s.start:e[r-1].end.clone()},pointAtT:function(t){var n=this.segments,e=n.length;if(0===e)return null;var r=t.segmentIndex;if(r<0)return n[0].pointAtT(0);if(e<=r)return n[e-1].pointAtT(1);var i=t.value;return i<0?i=0:1<i&&(i=1),n[r].pointAtT(i)},PRECISION:3,prepareSegment:function(t,n,e){t.previousSegment=n,t.nextSegment=e,n&&(n.nextSegment=t),e&&(e.previousSegment=t);var r=t;return t.isSubpathStart&&(t.subpathStartSegment=t,r=e),r&&this.updateSubpathStartSegment(r),t},removeSegment:function(t){var n=this.segments,e=n.length;if(0===e)throw new Error("Path has no segments.");if(t<0&&(t=e+t),e<=t||t<0)throw new Error("Index out of range.");var r=n.splice(t,1)[0],i=r.previousSegment,s=r.nextSegment;i&&(i.nextSegment=s),s&&(s.previousSegment=i),r.isSubpathStart&&s&&this.updateSubpathStartSegment(s)},replaceSegment:function(t,n){var e,r=this.segments,i=r.length;if(0===i)throw new Error("Path has no 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e?this.getSegment(e):null},segmentIndexAt:function(t,n){if(0===this.segments.length)return null;t<0&&(t=0),1<t&&(t=1);var e=void 0===(n=n||{}).precision?this.PRECISION:n.precision,r={precision:e,segmentSubdivisions:void 0===n.segmentSubdivisions?this.getSegmentSubdivisions({precision:e}):n.segmentSubdivisions},i=this.length(r)*t;return this.segmentIndexAtLength(i,r)},segmentIndexAtLength:function(t,n){var e=this.segments,r=e.length;if(0===r)return null;var i=!0;t<0&&(i=!1,t=-t);for(var s=void 0===(n=n||{}).precision?this.PRECISION:n.precision,o=void 0===n.segmentSubdivisions?this.getSegmentSubdivisions({precision:s}):n.segmentSubdivisions,a=null,h=0,u=0;u<r;u++){var c=i?u:r-1-u,l=e[c],f=o[c],d=l.length({precision:s,subdivisions:f});if(l.isVisible){if(t<=h+d)return c;a=c}h+=d}return a},serialize:function(){if(!this.isValid())throw new Error("Invalid path segments.");return this.toString()},tangentAt:function(t,n){if(0===this.segments.length)return null;t<0&&(t=0),1<t&&(t=1);var e=void 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i<0?i=0:1<i&&(i=1),n[r].tangentAtT(i)},toPoints:function(t){var n=this.segments,e=n.length;if(0===e)return null;for(var r=void 0===(t=t||{}).precision?this.PRECISION:t.precision,i=void 0===t.segmentSubdivisions?this.getSegmentSubdivisions({precision:r}):t.segmentSubdivisions,s=[],o=[],a=0;a<e;a++){var h=n[a];if(h.isVisible){var u=i[a];if(0<u.length){var c=u.map(function(t){return t.start});Array.prototype.push.apply(o,c)}else o.push(h.start)}else 0<o.length&&(o.push(n[a-1].end),s.push(o),o=[])}return 0<o.length&&(o.push(this.end),s.push(o)),s},toPolylines:function(t){var n=[],e=this.toPoints(t);if(!e)return null;for(var r=0,i=e.length;r<i;r++)n.push(new X(e[r]));return n},toString:function(){for(var t=this.segments,n=t.length,e="",r=0;r<n;r++){e+=t[r].serialize()+" "}return e.trim()},translate:function(t,n){for(var e=this.segments,r=e.length,i=0;i<r;i++){e[i].translate(t,n)}return this},updateSubpathStartSegment:function(t){for(var n=t.previousSegment;t&&!t.isSubpathStart;)t.subpathStartSegment=n?n.subpathStartSegment:null,t=(n=t).nextSegment},validate:function(){return this.isValid()||this.insertSegment(0,et.createSegment("M",0,0)),this}},Object.defineProperty(et.prototype,"start",{configurable:!0,enumerable:!0,get:function(){var t=this.segments,n=t.length;if(0===n)return null;for(var e=0;e<n;e++){var r=t[e];if(r.isVisible)return r.start}return t[n-1].end}}),Object.defineProperty(et.prototype,"end",{configurable:!0,enumerable:!0,get:function(){var t=this.segments,n=t.length;if(0===n)return null;for(var e=n-1;0<=e;e--){var r=t[e];if(r.isVisible)return r.end}return t[n-1].end}});var it={bbox:function(){throw new Error("Declaration missing for virtual function.")},clone:function(){throw new Error("Declaration missing for virtual function.")},closestPoint:function(){throw new Error("Declaration missing for virtual function.")},closestPointLength:function(){throw new Error("Declaration missing for virtual 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function.")},isSegment:!0,isSubpathStart:!1,isVisible:!0,length:function(){throw new Error("Declaration missing for virtual function.")},lengthAtT:function(t){if(t<=0)return 0;var n=this.length();return 1<=t?n:n*t},nextSegment:null,pointAt:function(){throw new Error("Declaration missing for virtual function.")},pointAtLength:function(){throw new Error("Declaration missing for virtual function.")},pointAtT:function(t){if(this.pointAt)return this.pointAt(t);throw new Error("Neither pointAtT() nor pointAt() function is implemented.")},previousSegment:null,round:function(){throw new Error("Declaration missing for virtual function.")},subpathStartSegment:null,scale:function(){throw new Error("Declaration missing for virtual function.")},serialize:function(){throw new Error("Declaration missing for virtual function.")},tangentAt:function(){throw new Error("Declaration missing for virtual function.")},tangentAtLength:function(){throw new Error("Declaration missing for virtual function.")},tangentAtT:function(t){if(this.tangentAt)return this.tangentAt(t);throw new Error("Neither tangentAtT() nor tangentAt() function is implemented.")},toString:function(){throw new Error("Declaration missing for virtual function.")},translate:function(){throw new Error("Declaration missing for virtual function.")}};Object.defineProperty(it,"end",{configurable:!0,enumerable:!0,writable:!0}),Object.defineProperty(it,"start",{configurable:!0,enumerable:!0,get:function(){if(!this.previousSegment)throw new Error("Missing previous segment. (This segment cannot be the first segment of a path; OR segment has not yet been added to a path.)");return this.previousSegment.end}}),Object.defineProperty(it,"type",{configurable:!0,enumerable:!0,get:function(){throw new Error("Bad segment declaration. No type specified.")}});var st=function(){for(var t,n,e=arguments,r=[],i=arguments.length,s=0;s<i;s++)r.push(e[s]);if(!(this instanceof st))return rt(st,r);if(0===i)throw new Error("Lineto constructor expects a line, 1 point, or 2 coordinates (none provided).");if(r[0]instanceof N){if(1===i)return this.end=r[0].end