3 lines
30 KiB
JavaScript
3 lines
30 KiB
JavaScript
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// https://d3js.org/d3-shape/ v3.2.0 Copyright 2010-2022 Mike Bostock
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!function(t,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports,require("d3-path")):"function"==typeof define&&define.amd?define(["exports","d3-path"],n):n((t="undefined"!=typeof globalThis?globalThis:t||self).d3=t.d3||{},t.d3)}(this,(function(t,n){"use strict";function i(t){return function(){return t}}const e=Math.abs,s=Math.atan2,o=Math.cos,h=Math.max,_=Math.min,r=Math.sin,a=Math.sqrt,l=1e-12,c=Math.PI,u=c/2,f=2*c;function y(t){return t>1?0:t<-1?c:Math.acos(t)}function x(t){return t>=1?u:t<=-1?-u:Math.asin(t)}function p(t){let i=3;return t.digits=function(n){if(!arguments.length)return i;if(null==n)i=null;else{const t=Math.floor(n);if(!(t>=0))throw new RangeError(`invalid digits: ${n}`);i=t}return t},()=>new n.Path(i)}function v(t){return t.innerRadius}function d(t){return t.outerRadius}function T(t){return t.startAngle}function g(t){return t.endAngle}function m(t){return t&&t.padAngle}function b(t,n,i,e,s,o,h,_){var r=i-t,a=e-n,c=h-s,u=_-o,f=u*r-c*a;if(!(f*f<l))return[t+(f=(c*(n-o)-u*(t-s))/f)*r,n+f*a]}function w(t,n,i,e,s,o,_){var r=t-i,l=n-e,c=(_?o:-o)/a(r*r+l*l),u=c*l,f=-c*r,y=t+u,x=n+f,p=i+u,v=e+f,d=(y+p)/2,T=(x+v)/2,g=p-y,m=v-x,b=g*g+m*m,w=s-o,k=y*v-p*x,N=(m<0?-1:1)*a(h(0,w*w*b-k*k)),S=(k*m-g*N)/b,E=(-k*g-m*N)/b,A=(k*m+g*N)/b,P=(-k*g+m*N)/b,M=S-d,C=E-T,R=A-d,O=P-T;return M*M+C*C>R*R+O*O&&(S=A,E=P),{cx:S,cy:E,x01:-u,y01:-f,x11:S*(s/w-1),y11:E*(s/w-1)}}var k=Array.prototype.slice;function N(t){return"object"==typeof t&&"length"in t?t:Array.from(t)}function S(t){this._context=t}function E(t){return new S(t)}function A(t){return t[0]}function P(t){return t[1]}function M(t,n){var e=i(!0),s=null,o=E,h=null,_=p(r);function r(i){var r,a,l,c=(i=N(i)).length,u=!1;for(null==s&&(h=o(l=_())),r=0;r<=c;++r)!(r<c&&e(a=i[r],r,i))===u&&((u=!u)?h.lineStart():h.lineEnd()),u&&h.point(+t(a,r,i),+n(a,r,i));if(l)return h=null,l+""||null}return t="function"==typeof t?t:void 0===t?A:i(t),n="function"==typeof n?n:void 0===n?P:i(n),r.x=function(n){return arguments.length?(t="function"==typeof n?n:i(+n),r):t},r.y=function(t){return arguments.length?(n="function"==typeof t?t:i(+t),r):n},r.defined=function(t){return arguments.length?(e="function"==typeof t?t:i(!!t),r):e},r.curve=function(t){return arguments.length?(o=t,null!=s&&(h=o(s)),r):o},r.context=function(t){return arguments.length?(null==t?s=h=null:h=o(s=t),r):s},r}function C(t,n,e){var s=null,o=i(!0),h=null,_=E,r=null,a=p(l);function l(i){var l,c,u,f,y,x=(i=N(i)).length,p=!1,v=new Array(x),d=new Array(x);for(null==h&&(r=_(y=a())),l=0;l<=x;++l){if(!(l<x&&o(f=i[l],l,i))===p)if(p=!p)c=l,r.areaStart(),r.lineStart();else{for(r.lineEnd(),r.lineStart(),u=l-1;u>=c;--u)r.point(v[u],d[u]);r.lineEnd(),r.areaEnd()}p&&(v[l]=+t(f,l,i),d[l]=+n(f,l,i),r.point(s?+s(f,l,i):v[l],e?+e(f,l,i):d[l]))}if(y)return r=null,y+""||null}function c(){return M().defined(o).curve(_).context(h)}return t="function"==typeof t?t:void 0===t?A:i(+t),n="function"==typeof n?n:i(void 0===n?0:+n),e="function"==typeof e?e:void 0===e?P:i(+e),l.x=function(n){return arguments.length?(t="function"==typeof n?n:i(+n),s=null,l):t},l.x0=function(n){return arguments.length?(t="function"==typeof n?n:i(+n),l):t},l.x1=function(t){return arguments.length?(s=null==t?null:"function"==typeof t?t:i(+t),l):s},l.y=function(t){return arguments.length?(n="function"==typeof t?t:i(+t),e=null,l):n},l.y0=function(t){return arguments.length?(n="function"==typeof t?t:i(+t),l):n},l.y1=function(t){return arguments.length?(e=null==t?null:"function"==typeof t?t:i(+t),l):e},l.lineX0=l.lineY0=function(){return c().x(t).y(n)},l.lineY1=function(){return c().x(t).y(e)},l.lineX1=function(){return c().x(s).y(n)},l.defined=function(t){return arguments.length?(o="function"==typeof t?t:i(!!t),l):o},l.curve=function(t){return arguments.length?(_=t,null!=h&&(r=_(h)),l):_},l.context=function(t){return arguments.length?(null==t?h=r=null:r=_(h=t),l):h},l}function R(t,n){return n<t?-1:n>t?1:n>=t?0:NaN}function O(t){return t}S.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._point=0},lineEnd:function()
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