basant307/AI_Governance_Project

1// https://d3js.org/d3-path/ v3.1.0 Copyright 2015-2022 Mike Bostock2(function (global, factory) {3typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :4typeof define === 'function' && define.amd ? define(['exports'], factory) :5(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.d3 = global.d3 || {}));6})(this, (function (exports) { 'use strict';7 8const pi = Math.PI,9    tau = 2 * pi,10    epsilon = 1e-6,11    tauEpsilon = tau - epsilon;12 13function append(strings) {14  this._ += strings[0];15  for (let i = 1, n = strings.length; i < n; ++i) {16    this._ += arguments[i] + strings[i];17  }18}19 20function appendRound(digits) {21  let d = Math.floor(digits);22  if (!(d >= 0)) throw new Error(`invalid digits: ${digits}`);23  if (d > 15) return append;24  const k = 10 ** d;25  return function(strings) {26    this._ += strings[0];27    for (let i = 1, n = strings.length; i < n; ++i) {28      this._ += Math.round(arguments[i] * k) / k + strings[i];29    }30  };31}32 33class Path {34  constructor(digits) {35    this._x0 = this._y0 = // start of current subpath36    this._x1 = this._y1 = null; // end of current subpath37    this._ = "";38    this._append = digits == null ? append : appendRound(digits);39  }40  moveTo(x, y) {41    this._append`M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}`;42  }43  closePath() {44    if (this._x1 !== null) {45      this._x1 = this._x0, this._y1 = this._y0;46      this._append`Z`;47    }48  }49  lineTo(x, y) {50    this._append`L${this._x1 = +x},${this._y1 = +y}`;51  }52  quadraticCurveTo(x1, y1, x, y) {53    this._append`Q${+x1},${+y1},${this._x1 = +x},${this._y1 = +y}`;54  }55  bezierCurveTo(x1, y1, x2, y2, x, y) {56    this._append`C${+x1},${+y1},${+x2},${+y2},${this._x1 = +x},${this._y1 = +y}`;57  }58  arcTo(x1, y1, x2, y2, r) {59    x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r;60 61    // Is the radius negative? Error.62    if (r < 0) throw new Error(`negative radius: ${r}`);63 64    let x0 = this._x1,65        y0 = this._y1,66        x21 = x2 - x1,67        y21 = y2 - y1,68        x01 = x0 - x1,69        y01 = y0 - y1,70        l01_2 = x01 * x01 + y01 * y01;71 72    // Is this path empty? Move to (x1,y1).73    if (this._x1 === null) {74      this._append`M${this._x1 = x1},${this._y1 = y1}`;75    }76 77    // Or, is (x1,y1) coincident with (x0,y0)? Do nothing.78    else if (!(l01_2 > epsilon));79 80    // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear?81    // Equivalently, is (x1,y1) coincident with (x2,y2)?82    // Or, is the radius zero? Line to (x1,y1).83    else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) {84      this._append`L${this._x1 = x1},${this._y1 = y1}`;85    }86 87    // Otherwise, draw an arc!88    else {89      let x20 = x2 - x0,90          y20 = y2 - y0,91          l21_2 = x21 * x21 + y21 * y21,92          l20_2 = x20 * x20 + y20 * y20,93          l21 = Math.sqrt(l21_2),94          l01 = Math.sqrt(l01_2),95          l = r * Math.tan((pi - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2),96          t01 = l / l01,97          t21 = l / l21;98 99      // If the start tangent is not coincident with (x0,y0), line to.100      if (Math.abs(t01 - 1) > epsilon) {101        this._append`L${x1 + t01 * x01},${y1 + t01 * y01}`;102      }103 104      this._append`A${r},${r},0,0,${+(y01 * x20 > x01 * y20)},${this._x1 = x1 + t21 * x21},${this._y1 = y1 + t21 * y21}`;105    }106  }107  arc(x, y, r, a0, a1, ccw) {108    x = +x, y = +y, r = +r, ccw = !!ccw;109 110    // Is the radius negative? Error.111    if (r < 0) throw new Error(`negative radius: ${r}`);112 113    let dx = r * Math.cos(a0),114        dy = r * Math.sin(a0),115        x0 = x + dx,116        y0 = y + dy,117        cw = 1 ^ ccw,118        da = ccw ? a0 - a1 : a1 - a0;119 120    // Is this path empty? Move to (x0,y0).121    if (this._x1 === null) {122      this._append`M${x0},${y0}`;123    }124 125    // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0).126    else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) {127      this._append`L${x0},${y0}`;128    }129 130    // Is this arc empty? We’re done.131    if (!r) return;132 133    // Does the angle go the wrong way? Flip the direction.134    if (da < 0) da = da % tau + tau;135 136    // Is this a complete circle? Draw two arcs to complete the circle.137    if (da > tauEpsilon) {138      this._append`A${r},${r},0,1,${cw},${x - dx},${y - dy}A${r},${r},0,1,${cw},${this._x1 = x0},${this._y1 = y0}`;139    }140 141    // Is this arc non-empty? Draw an arc!142    else if (da > epsilon) {143      this._append`A${r},${r},0,${+(da >= pi)},${cw},${this._x1 = x + r * Math.cos(a1)},${this._y1 = y + r * Math.sin(a1)}`;144    }145  }146  rect(x, y, w, h) {147    this._append`M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}h${w = +w}v${+h}h${-w}Z`;148  }149  toString() {150    return this._;151  }152}153 154function path() {155  return new Path;156}157 158// Allow instanceof d3.path159path.prototype = Path.prototype;160 161function pathRound(digits = 3) {162  return new Path(+digits);163}164 165exports.Path = Path;166exports.path = path;167exports.pathRound = pathRound;168 169}));170