arrow-graphic
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This project provides a general method to create arrow geometry.
1,758 lines (1,463 loc) • 59.8 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.ArrowGraphic = {}));
}(this, (function (exports) { 'use strict';
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
return Constructor;
}
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
function _inherits(subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function");
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
writable: true,
configurable: true
}
});
if (superClass) _setPrototypeOf(subClass, superClass);
}
function _getPrototypeOf(o) {
_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
return o.__proto__ || Object.getPrototypeOf(o);
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return _getPrototypeOf(o);
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function _setPrototypeOf(o, p) {
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o.__proto__ = p;
return o;
};
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if (Reflect.construct.sham) return false;
if (typeof Proxy === "function") return true;
try {
Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
return true;
} catch (e) {
return false;
}
}
function _assertThisInitialized(self) {
if (self === void 0) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
}
function _possibleConstructorReturn(self, call) {
if (call && (typeof call === "object" || typeof call === "function")) {
return call;
}
return _assertThisInitialized(self);
}
function _createSuper(Derived) {
var hasNativeReflectConstruct = _isNativeReflectConstruct();
return function _createSuperInternal() {
var Super = _getPrototypeOf(Derived),
result;
if (hasNativeReflectConstruct) {
var NewTarget = _getPrototypeOf(this).constructor;
result = Reflect.construct(Super, arguments, NewTarget);
} else {
result = Super.apply(this, arguments);
}
return _possibleConstructorReturn(this, result);
};
}
function _superPropBase(object, property) {
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}
function _get(target, property, receiver) {
if (typeof Reflect !== "undefined" && Reflect.get) {
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} else {
_get = function _get(target, property, receiver) {
var base = _superPropBase(target, property);
if (!base) return;
var desc = Object.getOwnPropertyDescriptor(base, property);
if (desc.get) {
return desc.get.call(receiver);
}
return desc.value;
};
}
return _get(target, property, receiver || target);
}
function _toConsumableArray(arr) {
return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
}
function _arrayWithoutHoles(arr) {
if (Array.isArray(arr)) return _arrayLikeToArray(arr);
}
function _iterableToArray(iter) {
if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
}
function _unsupportedIterableToArray(o, minLen) {
if (!o) return;
if (typeof o === "string") return _arrayLikeToArray(o, minLen);
var n = Object.prototype.toString.call(o).slice(8, -1);
if (n === "Object" && o.constructor) n = o.constructor.name;
if (n === "Map" || n === "Set") return Array.from(o);
if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
}
function _arrayLikeToArray(arr, len) {
if (len == null || len > arr.length) len = arr.length;
for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
return arr2;
}
function _nonIterableSpread() {
throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
/**
* 如果第一个元素为空或未定义，则返回第二个元素，用于设置默认属性
* @exports defaultValue
* @param {any} a
* @param {any} b
* @returns {any} 如果第一个元素为空或未定义，则返回第二个元素
*
* @example
* param = Cesium.defaultValue(param, 'default');
*/
function defaultValue(a, b) {
if (a !== undefined && a !== null) {
return a;
}
return b;
}
/**
*
* 空对象，该对象不能被编辑
*
* @type {Object}
* @memberof defaultValue
*
*/
defaultValue.EMPTY_OBJECT = Object.freeze({});
/**
* 箭头构件类型
* @exports ComponentType
* @enum {Number}
*/
var ComponentType = {
/**
* 箭头
* @type {Number}
* @constant
*/
ARROW: 0,
/**
* 半箭头
* @type {Number}
* @constant
*/
HALF_ARROW: 1,
/**
* 贝塞尔曲线
* @type {Number}
* @constant
*/
BEZIER: 2,
/**
* 样条曲线
* @type {Number}
* @constant
*/
SPLINE: 3,
/**
* 燕尾
* @type {Number}
* @constant
*/
SWALLOW_TRAIL: 4,
/**
* 梯形
* @type {Number}
* @constant
*/
TRAPEZOID: 5,
/**
* 半梯形
* @type {Number}
* @constant
*/
HALF_TRAPEZOID: 6,
HALF_SWALLOW_TRAIL: 7,
HALF_SPLINE: 8
};
ComponentType.getLabel = function (component) {
var label;
switch (component.type) {
case ComponentType.HALF_ARROW:
label = 'HALF_ARROW';
break;
case ComponentType.ARROW:
lebel = 'ARROW';
break;
case ComponentType.BEZIER:
label = 'BEZIER';
break;
case ComponentType.SPLINE:
label = "SPLINE";
break;
case ComponentType.SWALLOW_TRAIL:
label = 'SWALLOW_TRAIL';
break;
case ComponentType.HALF_SWALLOW_TRAIL:
label = 'HALF_SWALLOW_TRAIL';
break;
case ComponentType.HALF_SPLINE:
label = 'HALF_SPLINE';
break;
default:
label = undefined;
}
return label;
};
/**
* function
* @param {[type]} type [description]
* @return {[type]} [description]
*/
ComponentType.getErrorMsg = function (component) {
var type = component.type;
var controls = component.controls.length;
if (!ComponentType.validate(component)) {
throw new Error(ComponentType.getLabel(component) + '控制点个数必须不少于' + component.controlPointsCount[0] + ",实际只有" + controls + '个');
}
};
ComponentType.validate = function (component) {
var controls = component.controls.length;
if (controls < component.controlPointsCount[0]) {
return false;
}
return true;
};
var Component = /*#__PURE__*/function () {
function Component() {
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, Component);
this._controls = options.controls || [];
this._index = options.index;
this._inverse = options.inverse || false;
if (!this._index) {
var count = this._controls.length;
this._index = new Array(count);
for (var i = 0; i < count; i++) {
this._index[i] = i;
}
}
}
/**
* 描述箭头的控制点个数，数组第一个值为最小个数，控制点小于最小值将无法创建箭头，
* 数组第二个值表示最大控制点个数，大于最大值的控制点将被抛弃
* @return {Point[]} 控制点个数
*/
_createClass(Component, [{
key: "createNodes",
value: function createNodes() {
ComponentType.getErrorMsg(this);
}
/**
* 返回index指定的控制点
* @param {Number} index
* @return {Number[]}
*/
}, {
key: "get",
value: function get(index) {
if (this.index) {
return this.controls[this.index[index]];
}
return this.controls[index];
}
}, {
key: "controls",
get: function get() {
return this._controls;
}
/**
* 生成组件时输入顶点的索引
* @return {Number[]}
*/
}, {
key: "index",
get: function get() {
return this._index;
}
/**
* 组件类型
* @return {ComponentType}
*/
}, {
key: "type",
get: function get() {
return this._type;
}
}, {
key: "controlPointsCount",
get: function get() {
return this._controlPointsCount;
}
}, {
key: "nodes",
get: function get() {
return this._nodes;
},
set: function set(v) {
this._nodes = v;
}
/**
* 确定箭头在控制点连线的的左侧还是右侧，inverse为false是生成的图形在控制点连线的左侧
* @return {Bool}
*/
}, {
key: "inverse",
get: function get() {
return this._inverse;
},
set: function set(v) {
this._inverse = v;
}
}]);
return Component;
}();
var PlotUtil = /*#__PURE__*/function () {
/**
* 几何图形学基础方法
*/
function PlotUtil() {
_classCallCheck(this, PlotUtil);
}
/**
* 平面点的欧氏距离，如果点的数据大于2，将计算相邻两个点的距离之和。
* @param {Number[]} args 需要计算距离的平面点集合
* @return {Float} 欧氏距离
*/
_createClass(PlotUtil, null, [{
key: "distance",
value: function distance() {
var length = arguments.length;
if (length < 2) {
return 0;
}
var distance = 0;
for (var i = 0; i < length - 1; i++) {
var nextIndex = (i + 1) % length;
var start = i < 0 || arguments.length <= i ? undefined : arguments[i];
var end = nextIndex < 0 || arguments.length <= nextIndex ? undefined : arguments[nextIndex];
distance += Math.sqrt(Math.pow(start[0] - end[0], 2) + Math.pow(start[1] - end[1], 2));
}
return distance;
}
/**
* @param {Number[]} points [description]
* @param {Number} [percentage=0.99] [description]
* @return {Number} 长度
*/
}, {
key: "baseLength",
value: function baseLength(points) {
var percentage = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0.99;
return Math.pow(PlotUtil.distance.apply(PlotUtil, _toConsumableArray(points)), percentage);
}
/**
* 平面两点的中点
* @param {Number[]} start 起点
* @param {Number[]} end 终点
* @return {Number[]} 中点坐标
*/
}, {
key: "mid",
value: function mid(start, end) {
return [(start[0] + end[0]) / 2, (start[1] + end[1]) / 2];
}
/**
* 方位角
* @param {Number[]} start 起点
* @param {Number[]} end 终点
* @return {Number} 向量与Y轴的夹角
*/
}, {
key: "azimuth",
value: function azimuth(start, end) {
var result;
var _ref = [end, start];
start = _ref[0];
end = _ref[1];
//向量与Y轴的夹角;
var angle = Math.asin(Math.abs(start[1] - end[1]) / PlotUtil.distance(start, end));
result = start[1] >= end[1] && start[0] >= end[0] ? angle + Math.PI : start[1] >= end[1] && start[0] < end[0] ? Math.PI * 2 - angle : start[1] < end[1] && start[0] >= end[0] ? Math.PI - angle : angle;
return result;
}
/**
* 根据两个点计算第三个点,具体为：如果以end为圆心，以radius为半径创建一个圆,以向量<start,end>方位角为起始位置，
* 旋转angle度后得到的圆弧上的点,inverse为false，向正方向旋转,true,向负方向旋转
* @param {Number[]} start 起点，即圆心
* @param {Number[]} end 终点
* @param {Number} angle 旋转角度，单位弧度
* @param {Number} radius 半径
* @param {bool} inverse 是否逆向旋转
* @return {Number[]} 新点位
*/
}, {
key: "thirdPoint",
value: function thirdPoint(start, end, angle, radius) {
var inverse = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
var azimuth = PlotUtil.azimuth(start, end);
var adjustAngle = inverse ? azimuth - angle : azimuth + angle;
var x = radius * Math.cos(adjustAngle);
var y = radius * Math.sin(adjustAngle);
return [end[0] + x, end[1] + y];
}
/**
* 判断由t,o,e是否顺时针环绕
* @param {Number[]} t
* @param {Number[]} o
* @param {Number[]} e
* @return {Boolean}
*/
}, {
key: "isClockWise",
value: function isClockWise(t, o, e) {
return (e[1] - t[1]) * (o[0] - t[0]) > (o[1] - t[1]) * (e[0] - t[0]);
}
/**
* 计算两条直线之间的夹角，两条直线必须有公共点
* @param {Number[]} origin 两直接的公共点
* @param {Number[]} point1 直线1的另一个顶点
* @param {Number[]} point2 直线2的另一个顶点
* @return {number} 两直线之间的夹角，单位弧度
*/
}, {
key: "angleOfThreePoints",
value: function angleOfThreePoints(origin, point1, point2) {
var angle = PlotUtil.azimuth(origin, point1) - PlotUtil.azimuth(origin, point2);
return angle > 0 ? angle : Math.PI * 2 + angle;
}
/**
* 四边形B样条曲面因子
* @param {Number} t
* @param {Number} o
* @return {Number}
*/
}, {
key: "quadricBSplineFactor",
value: function quadricBSplineFactor(t, o) {
if (t === 0) {
return Math.pow(o - 1, 2) / 2;
}
if (t === 1) {
return (-2.0 * Math.pow(o, 2) + 2 * o + 1) / 2;
}
if (t === 2) {
return Math.pow(o, 2) / 2;
}
return 0;
}
/**
* 四边形B样条曲线
*
* @param {Number[]} points 计算四边形B样条曲线的输入点
* @return {Number[]} 构成四边形B样条曲线的点
*/
}, {
key: "quadricBSpline",
value: function quadricBSpline(points) {
if (points <= 2) {
return points;
}
var result = [];
var fac = 2;
var length = points.length - fac - 1;
result.push(points[0]);
for (var n = 0; n <= length; n++) {
for (var g = 0; g <= 1; g += 0.05) {
var x = 0,
y = 0;
for (var s = 0; s <= fac; s++) {
var factor = PlotUtil.quadricBSplineFactor(s, g);
x += factor * points[n + s][0];
y += factor * points[n + s][1];
}
result.push([x, y]);
}
}
result.push(points[points.length - 1]);
return result;
}
/**
* 组合C<sub>0</sub><sup style="margin-left:-5px">t</sup>的值
* @param {Number} t
* @param {Number} o
* @return {Number}
*/
}, {
key: "binomialFactor",
value: function binomialFactor(t, o) {
return PlotUtil.factorial(t) / (PlotUtil.factorial(o) * PlotUtil.factorial(t - o));
}
/**
* 求阶乘
* @param {Number} n n必须不小于0
* @return {Number} n的阶乘(n!)
*/
}, {
key: "factorial",
value: function factorial(n) {
if (n < 0) {
return NaN;
}
if (n === 0) {
return 1;
}
return n * PlotUtil.factorial(n - 1);
}
/**
* 贝塞尔曲线
* @param {Number[]} points [description]
* @return {Number[]} 构成贝塞尔曲线的点集
*/
}, {
key: "BezierCurve",
value: function BezierCurve(points) {
var count = points.length;
if (count < 2) {
return points;
}
var curves = [];
for (var i = 0; i <= 1; i += 0.01) {
var x = 0,
y = 0;
for (var j = 0; j < count; j++) {
var factor = PlotUtil.binomialFactor(count - 1, j);
var s = Math.pow(i, j);
var a = Math.pow(1 - i, count - j - 1);
x += factor * s * a * points[j][0];
y += factor * s * a * points[j][1];
}
curves.push([x, y]);
}
curves.push(points[count - 1]);
return curves;
}
}]);
return PlotUtil;
}();
var HalfArrowComponent = /*#__PURE__*/function (_Component) {
_inherits(HalfArrowComponent, _Component);
var _super = _createSuper(HalfArrowComponent);
/**
* 半箭头头部
* *-----------------------------
* ** | |
* * * | |
* * * neck height arrow height
* * * | |
* * * | |
* * * | |
* * ***x（neck control）-------------- |
* * * |
* *--------x(tail control)-----------------------------
*
*
*
* @param {Object} [options={}] 具有以下属性
* @param {Number} [options.heightFactor=0.18] 箭头状况高度占整个图形高度(控制点连线长度)的百分比
* @param {Number} [options.neckHeightFactor=0.15] 脖子占整个整个图形高度的百分比
* @param {Number} [options.widthFactor=0.3] 箭头宽度占高度的百分比
* @param {Number} [options.neckWidthFactor=options.widthFactor/2] 脖子宽度占箭头高度的百分比
* @param {Number} [options.inverse=false] inverse为false是生成的图形在控制点连线的右侧
*/
function HalfArrowComponent() {
var _this;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, HalfArrowComponent);
_this = _super.call(this, options);
_this._controlPointsCount = [2, 2];
_this._type = ComponentType.HALF_ARROW;
_this._heightFactor = defaultValue(options.heightFactor, 0.18);
_this._neckHeightFactor = defaultValue(options.neckHeightFactor, 0.15);
_this._headWidthFactor = defaultValue(options.headWidthFactor, 0.5);
_this._neckWidthFactor = defaultValue(options.neckWidthFactor, 0.3);
_this._headMaxHeight = options.headMaxHeight;
_this._headTailHeightFactor = defaultValue(options.headTailHeightFactor, 0.3);
_this._inverse = defaultValue(options.inverse, false);
_this._nodes = [];
_this.createNodes();
return _this;
}
_createClass(HalfArrowComponent, [{
key: "createNodes",
/**
* 生成构成图形的顶点
* @return {Number[]} 生成构成图形的顶点
*/
value: function createNodes() {
_get(_getPrototypeOf(HalfArrowComponent.prototype), "createNodes", this).call(this);
var controls = this.controls;
var baseLength = PlotUtil.baseLength(controls);
var height = this.heightFactor * baseLength;
baseLength = PlotUtil.distance(this.get(0), this.get(1));
if (this.headMaxHeight && height > this.headMaxHeight) {
height = this.headMaxHeight;
}
var neckWidth = this.neckWidthFactor * height;
var width = this.headWidthFactor * height;
height = height > baseLength ? baseLength : height;
var neckHeight = this.neckHeightFactor * height;
var tailControl = PlotUtil.thirdPoint(this.get(0), this.get(1), 0, height);
var neckControl = PlotUtil.thirdPoint(this.get(0), this.get(1), 0, neckHeight);
var tail = PlotUtil.thirdPoint(this.get(1), tailControl, Math.PI / 2, width, this.inverse);
var neck = PlotUtil.thirdPoint(this.get(1), neckControl, Math.PI / 2, neckWidth, this.inverse);
this.neck = neck;
this.tail = tail;
this.neckControl = neckControl;
this.tailControl = tailControl;
this._nodes = [neckControl, neck, tail, this.get(1)];
this.completedNodes = new Map();
this.completedNodes.set(this.inverse, [neckControl, neck, tail, this.get(1)]);
return this._nodes;
}
}, {
key: "headMaxHeight",
get: function get() {
return this._headMaxHeight;
}
/**
* 箭头高度因子
* @return {Number} 箭头高度占整个图形高度的百分比
*/
}, {
key: "heightFactor",
get: function get() {
return this._heightFactor;
}
/**
* 脖子高度因子
* @return {Number}
*/
}, {
key: "neckHeightFactor",
get: function get() {
return this._neckHeightFactor;
}
/**
* 箭头宽度因子
* @return {Number}
*/
}, {
key: "headWidthFactor",
get: function get() {
return this._headWidthFactor;
}
/**
* 脖子宽度因子
* @return {Number}
*/
}, {
key: "neckWidthFactor",
get: function get() {
return this._neckWidthFactor;
}
/**
* 构成图形的顶点
* @return {[type]}
*/
}, {
key: "nodes",
get: function get() {
return this._nodes;
}
}]);
return HalfArrowComponent;
}(Component);
var ArrowComponent = /*#__PURE__*/function (_HalfArrowComponent) {
_inherits(ArrowComponent, _HalfArrowComponent);
var _super = _createSuper(ArrowComponent);
/**
* 箭头头部
*
* @param {Object} [options={}] 具有以下属性
* @param {Number} [options.heightFactor=0.18] 箭头状况高度占整个图形高度(控制点连线长度)的百分比
* @param {Number} [options.neckHeightFactor=0.85] 脖子占整个箭头的百分比
* @param {Number} [options.widthFactor=0.3] 箭头宽度占高度的百分比
* @param {Number} [options.neckWidthFactor=options.widthFactor/2] 脖子宽度占箭头高度的百分比
*/
function ArrowComponent() {
var _this;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, ArrowComponent);
_this = _super.call(this, options);
_this._type = ComponentType.ARROW;
_this.createNodes();
return _this;
}
_createClass(ArrowComponent, [{
key: "createNodes",
value: function createNodes() {
var completedNodes = new Map();
this._inverse = true;
var rightHalf = _get(_getPrototypeOf(ArrowComponent.prototype), "createNodes", this).call(this);
completedNodes.set(this.inverse, _toConsumableArray(rightHalf));
this._inverse = false;
var leftHalf = _get(_getPrototypeOf(ArrowComponent.prototype), "createNodes", this).call(this);
completedNodes.set(this.inverse, _toConsumableArray(leftHalf));
leftHalf.shift();
rightHalf.shift();
leftHalf.pop();
this.inverse = undefined;
this.completedNodes = completedNodes;
this._nodes = [].concat(_toConsumableArray(leftHalf), _toConsumableArray(rightHalf.reverse()));
return [].concat(_toConsumableArray(leftHalf), _toConsumableArray(rightHalf.reverse()));
}
}]);
return ArrowComponent;
}(HalfArrowComponent);
var HalfTrapezoidComponent = /*#__PURE__*/function (_Component) {
_inherits(HalfTrapezoidComponent, _Component);
var _super = _createSuper(HalfTrapezoidComponent);
/**
* 半梯形
* *** head control
* * *
* * *
* *****x tail control
* @param {[type]} options [description]
* @param {Number} [options.heightFactor] 梯形高度高图形高度的百分比
* @param {Number} [options.tailWidth=0.5] 梯形尾部宽度占高度的百分比
* @param {Number} [options.headWidthFactor=0.3] 梯形头部宽度占高度的百分比
*/
function HalfTrapezoidComponent(options) {
var _this;
_classCallCheck(this, HalfTrapezoidComponent);
_this = _super.call(this, options);
_this._type = ComponentType.HALF_TRAPEZOID;
_this._controlPointsCount = [2, 2];
_this._heightFactor = defaultValue(options.heightFactor, 0.82);
_this._tailWidthFactor = defaultValue(options.tailWidthFactor, 0.5);
_this._headWidthFactor = defaultValue(options.headWidthFactor, 0.3);
_this.createNodes();
return _this;
}
/**
* 梯形高度因子
* @return {Number} 梯形高度高图形高度的百分比
*/
_createClass(HalfTrapezoidComponent, [{
key: "createNodes",
value: function createNodes() {
_get(_getPrototypeOf(HalfTrapezoidComponent.prototype), "createNodes", this).call(this);
var tailControl = this.get(0);
var baseLength = PlotUtil.baseLength(this._controls);
var height = this.heightFactor * baseLength;
var headControl = PlotUtil.thirdPoint(this.get(1), tailControl, 0, height, this.inverse);
var tailWidth = this.tailWidthFactor * baseLength;
var headWidth = this.headWidthFactor * baseLength;
var leftHead = PlotUtil.thirdPoint(tailControl, headControl, Math.PI / 2, headWidth, this.inverse);
var leftTail = PlotUtil.thirdPoint(headControl, tailControl, Math.PI / 2, tailWidth, !this.inverse);
this._nodes = [leftHead, leftTail, tailControl, headControl].flat();
this.completedNodes = new Map();
this.completedNodes.set(this.inverse, [leftTail]);
return [leftTail];
}
}, {
key: "linkArrow",
value: function linkArrow(options) {
var arrowNodes = options.arrowNodes,
bodyNodes = options.bodyNodes,
inverse = options.inverse;
if (inverse) {
return [].concat(_toConsumableArray(bodyNodes), _toConsumableArray(arrowNodes));
}
return [].concat(_toConsumableArray(arrowNodes), _toConsumableArray(bodyNodes));
}
}, {
key: "linkTail",
value: function linkTail() {
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var tailNodes = options.tailNodes,
bodyNodes = options.bodyNodes,
inverse = options.inverse;
return [].concat(_toConsumableArray(tailNodes), _toConsumableArray(bodyNodes));
}
}, {
key: "heightFactor",
get: function get() {
return this._heightFactor;
}
/**
* 梯形头部宽度因子
* @return {Number} 梯形头部宽度占高度的百分比
*/
}, {
key: "headWidthFactor",
get: function get() {
return this._headWidthFactor;
}
/**
* 梯形尾部宽度因子
* @return {Number} 梯形尾部宽度占高度的百分比
*/
}, {
key: "tailWidthFactor",
get: function get() {
return this._tailWidthFactor;
}
}]);
return HalfTrapezoidComponent;
}(Component);
var TrapezoidComponent = /*#__PURE__*/function (_HalfTrapezoidCompone) {
_inherits(TrapezoidComponent, _HalfTrapezoidCompone);
var _super = _createSuper(TrapezoidComponent);
function TrapezoidComponent() {
var _this;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, TrapezoidComponent);
_this = _super.call(this, options);
_this._type = ComponentType.TRAPEZOID;
return _this;
}
_createClass(TrapezoidComponent, [{
key: "createNodes",
value: function createNodes() {
var completedNodes = new Map();
this.inverse = false;
var right = _get(_getPrototypeOf(TrapezoidComponent.prototype), "createNodes", this).call(this);
completedNodes.set(this.inverse, _toConsumableArray(right));
this.inverse = true;
var left = _get(_getPrototypeOf(TrapezoidComponent.prototype), "createNodes", this).call(this);
completedNodes.set(this.inverse, _toConsumableArray(left));
this.completedNodes = completedNodes;
this.inverse = undefined;
this._nodes = left.concat(right);
return this._nodes;
}
}]);
return TrapezoidComponent;
}(HalfTrapezoidComponent);
var Arrow = /*#__PURE__*/function () {
function Arrow(options) {
_classCallCheck(this, Arrow);
this._headHeightFactor = defaultValue(options.headHeightFactor, 0.2);
this._neckHeightFactor = defaultValue(options.neckHeightFactor, 0.8);
this._headWidthFactor = defaultValue(options.headWidthFactor, 0.5);
this._neckWidthFactor = defaultValue(options.neckWidthFactor, 0.3);
this._tailWidthFactor = defaultValue(options.tailWidthFactor, 0.3);
this._tailHeightFactor = defaultValue(options.tailHeightFactor, 0.20);
this._controls = defaultValue(options.controls, []);
this._headComponent = undefined;
this._bodyComponent = undefined;
this._tailComponent = undefined;
this._nodes = undefined;
this._polygon = [];
this._polyline = [];
}
_createClass(Arrow, [{
key: "postProcessing",
/**
* 几何图形做进一步处理
* @return {Number[]}
*/
value: function postProcessing(pts) {
return pts;
}
/**
* 合并箭头的各个组件
* @return {Number[]}
*/
}, {
key: "merge",
value: function merge() {
var _this$polygon, _this$polyline;
var head = this.headComponent;
var body = this.bodyComponent;
var tail = this.tailComponent;
var bodyNodes;
body && (bodyNodes = body.completedNodes);
var nodes = [];
var tNode;
if (bodyNodes && bodyNodes.get(true)) {
tNode = bodyNodes.get(true);
nodes = body.linkTail({
tailNodes: nodes,
bodyNodes: tNode
});
}
if (head) {
tNode = head.nodes;
if (body) {
nodes = body.linkArrow({
arrowNodes: tNode,
bodyNodes: nodes,
inverse: true,
target: this
});
} else {
nodes = tNode;
}
}
if (bodyNodes && bodyNodes.get(false)) {
tNode = bodyNodes.get(false);
nodes = body.linkArrow({
arrowNodes: nodes,
bodyNodes: tNode,
inverse: false,
target: this
});
}
if (tail) {
var _nodes;
(_nodes = nodes).push.apply(_nodes, _toConsumableArray(tail.nodes));
}
this.reset();
(_this$polygon = this.polygon).push.apply(_this$polygon, _toConsumableArray(nodes.flat())); // nodes.shift();
(_this$polyline = this.polyline).push.apply(_this$polyline, _toConsumableArray(nodes.flat()));
}
}, {
key: "update",
value: function update() {
this.createNodes();
}
}, {
key: "reset",
value: function reset() {
this.polygon.splice(0);
this.polyline.splice(0);
}
}, {
key: "polygon",
get: function get() {
return this._polygon;
}
}, {
key: "polyline",
get: function get() {
return this._polyline;
}
}, {
key: "controls",
get: function get() {
return this._controls;
}
}]);
return Arrow;
}();
var HalfSwallowTail = /*#__PURE__*/function (_Component) {
_inherits(HalfSwallowTail, _Component);
var _super = _createSuper(HalfSwallowTail);
/**
* [constructor description]
* @param {Object} [options={}] [description]
* @param {Number} [options.heightFactor] 尾部高度占总高度的比例
*/
function HalfSwallowTail() {
var _this;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, HalfSwallowTail);
_this = _super.call(this, options);
_this._type = ComponentType.HALF_SWALLOW_TRAIL;
_this._controlPointsCount = [3, Infinity];
_this._heightFactor = defaultValue(options.heightFactor, 0.3);
_this.createNodes();
return _this;
}
/**
* 尾部高度因了
* @return {Number} 尾部高度占总高度的比例
*/
_createClass(HalfSwallowTail, [{
key: "createNodes",
value: function createNodes() {
_get(_getPrototypeOf(HalfSwallowTail.prototype), "createNodes", this).call(this);
var baseLength = PlotUtil.baseLength(this.controls);
var height = this._heightFactor * baseLength;
var mid = PlotUtil.mid(this.get(0), this.get(1));
var headControl = PlotUtil.thirdPoint(this.get(2), mid, 0, height, this.inverse);
this.nodes = [headControl];
return this.nodes;
}
}, {
key: "heightFactor",
get: function get() {
return this._heightFactor;
}
}]);
return HalfSwallowTail;
}(Component);
function defineProperties(object) {
var _loop = function _loop(key) {
if (object.hasOwnProperty(key) && key.startsWith('_')) {
var newKey = key.replace('_', '');
Object.defineProperty(object, newKey, {
get: function get() {
return object[key];
},
set: function set(v) {
object[key] = v;
}
});
}
};
for (var key in object) {
_loop(key);
}
}
var StraightArrow = /*#__PURE__*/function (_Arrow) {
_inherits(StraightArrow, _Arrow);
var _super = _createSuper(StraightArrow);
/**
* 直线箭头
* @param {Object} [options={}] 具有以下属性
* @param {Number} [options.headHeightFactor=0.18] 头部高度占箭头高度的比例
* @param {Number} [options.neckHeightFactor=0.13] 脖子高度占箭头高度的比例
* @param {Number} [options.headWidthFactor=0.2] 头部宽度占箭头高度的比例
* @param {Number} [options=neckWidthFactor=options.neckHeightFactor/2] 脖子宽度占箭头高度的比例
* @param {Number} [options.tailWidthFactor=0.3] 尾部宽度占箭头高度的比例
* @param {Number} [options.tailHeightFactor=0.2] 尾部高度占箭头高度的比例
*/
function StraightArrow() {
var _this;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, StraightArrow);
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
_this = _super.call(this, options);
_this._tail = defaultValue(options.tail, false);
_this.init();
defineProperties(_assertThisInitialized(_this));
_this.merge();
return _this;
}
_createClass(StraightArrow, [{
key: "addControl",
value: function addControl(control) {
if (this.controls.length >= StraightArrow.MIN_CONTROL_COUNT) {
this.controls.pop();
}
this.controls.push(control);
if (this.controls.length >= StraightArrow.MIN_CONTROL_COUNT) {
this.init();
this.merge();
}
}
}, {
key: "popControl",
value: function popControl() {
return this.controls.pop();
}
}, {
key: "updateControl",
value: function updateControl(index, control) {
this.controls[index] = control;
if (this.controls.length >= StraightArrow.MIN_CONTROL_COUNT) {
this.init();
this.merge();
}
}
}, {
key: "init",
value: function init() {
if (this.controls.length < StraightArrow.MIN_CONTROL_COUNT) {
return;
}
this._headComponent = this.createHeadComponent();
this._bodyComponent = this.createBodyComponent();
if (this._tail) {
this._tailComponent = this.createTailComponent();
}
}
}, {
key: "update",
value: function update() {
this._headComponent = this.createHeadComponent();
this._bodyComponent = this.createBodyComponent();
if (this._tail) {
this._tailComponent = this.createTailComponent();
}
this.merge();
}
}, {
key: "createBodyComponent",
value: function createBodyComponent() {
return new TrapezoidComponent({
controls: this._controls,
heightFactor: 1 - this._neckHeightFactor,
headWidthFactor: this._neckWidthFactor,
tailWidthFactor: this._tailWidthFactor
});
}
}, {
key: "createHeadComponent",
value: function createHeadComponent() {
return new ArrowComponent({
controls: this._controls,
headWidthFactor: this._headWidthFactor,
neckHeightFactor: this._neckHeightFactor,
neckWidthFactor: this._neckWidthFactor,
headHeightFactor: this._headHeightFactor
});
}
}, {
key: "createTailComponent",
value: function createTailComponent() {
if (!this._bodyComponent) {
return;
}
var bodyNodes = this._bodyComponent.nodes;
return new HalfSwallowTail({
controls: [].concat(_toConsumableArray(bodyNodes), [this._controls[1]]),
heightFactor: this._tailHeightFactor
});
}
}, {
key: "tail",
set: function set(v) {
this._tail = v;
}
}]);
return StraightArrow;
}(Arrow);
_defineProperty(StraightArrow, "MIN_CONTROL_COUNT", 2);
var SplineComponent = /*#__PURE__*/function (_Component) {
_inherits(SplineComponent, _Component);
var _super = _createSuper(SplineComponent);
/**
* 样条曲线
* @param {Object} options 具有以下属性
* @param {Number} [options.headWidthFactor=0.1] 头部宽度占图形高度的比例
* @param {Number} [options.tailWidthFactor=0.3] 尾部宽度占图形高度的比例
*/
function SplineComponent(options) {
var _this;
_classCallCheck(this, SplineComponent);
_this = _super.call(this, options);
_this._type = ComponentType.HALF_SPLINE;
_this._controlPointsCount = [2, Infinity];
_this._headWidthFactor = defaultValue(options.headWidthFactor, 0.1);
_this._tailWidthFactor = defaultValue(options.tailWidthFactor, 0.3);
_this.createNodes();
return _this;
}
_createClass(SplineComponent, [{
key: "createNodes",
value: function createNodes() {
_get(_getPrototypeOf(SplineComponent.prototype), "createNodes", this).call(this);
var controls = this.controls;
var length = PlotUtil.distance.apply(PlotUtil, _toConsumableArray(controls));
var baseLength = PlotUtil.baseLength(controls);
var tailWidth = this.tailWidthFactor * baseLength;
var headWidth = this.headWidthFactor * baseLength;
var offset = Math.abs(tailWidth - headWidth) / 2;
var distance = 0;
var cts = controls;
var u = [];
for (var i = 1; i < controls.length - 1; i++) {
var angle = PlotUtil.angleOfThreePoints(cts[i], cts[i - 1], cts[i + 1]) / 2;
distance += PlotUtil.distance(cts[i - 1], cts[i]);
if (!this.inverse) {
angle = Math.PI - angle;
}
var tmpDis = (tailWidth / 2 - distance / length * offset) / Math.sin(angle);
var point = PlotUtil.thirdPoint(cts[i - 1], cts[i], angle, tmpDis, this.inverse);
u.push(point);
}
this.completedNodes = new Map();
this.completedNodes.set(this.inverse, u);
this.nodes = u;
return u;
}
}, {
key: "linkArrow",
value: function linkArrow(options) {
var arrowNodes = options.arrowNodes,
bodyNodes = options.bodyNodes,
inverse = options.inverse,
target = options.target;
var nodes = [];
if (target._tail) {
nodes.push(target.controls[+!inverse]);
}
if (inverse) {
nodes.push.apply(nodes, _toConsumableArray(bodyNodes).concat([arrowNodes[0]]));
var _spline = PlotUtil.quadricBSpline(nodes);
return [].concat(_toConsumableArray(_spline), _toConsumableArray(arrowNodes));
}
nodes.push.apply(nodes, _toConsumableArray(bodyNodes).concat([arrowNodes[arrowNodes.length - 1]]));
var spline = PlotUtil.quadricBSpline(nodes);
return [].concat(_toConsumableArray(arrowNodes), _toConsumableArray(spline.reverse()));
}
}, {
key: "linkTail",
value: function linkTail() {
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var tailNodes = options.tailNodes,
bodyNodes = options.bodyNodes,
inverse = options.inverse;
return [].concat(_toConsumableArray(tailNodes), _toConsumableArray(bodyNodes));
}
}, {
key: "tailWidthFactor",
get: function get() {
return this._tailWidthFactor;
}
}, {
key: "headWidthFactor",
get: function get() {
return this._headWidthFactor;
}
}]);
return SplineComponent;
}(Component);
var SplineComponent$1 = /*#__PURE__*/function (_HalfSplineComponent) {
_inherits(SplineComponent, _HalfSplineComponent);
var _super = _createSuper(SplineComponent);
function SplineComponent() {
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, SplineComponent);
return _super.call(this, options);
}
_createClass(SplineComponent, [{
key: "createNodes",
value: function createNodes() {
var completedNodes = new Map();
this.inverse = false;
var leftNodes = _get(_getPrototypeOf(SplineComponent.prototype), "createNodes", this).call(this);
completedNodes.set(this.inverse, _toConsumableArray(leftNodes));
this.inverse = true;
var rightNodes = _get(_getPrototypeOf(SplineComponent.prototype), "createNodes", this).call(this);
completedNodes.set(this.inverse, _toConsumableArray(rightNodes));
this.inverse = undefined;
this.nodes = [].concat(_toConsumableArray(leftNodes), _toConsumableArray(rightNodes.reverse()));
this.completedNodes = completedNodes;
return [].concat(_toConsumableArray(leftNodes), _toConsumableArray(rightNodes.reverse()));
}
}]);
return SplineComponent;
}(SplineComponent);
var AttackArrow = /*#__PURE__*/function (_Arrow) {
_inherits(AttackArrow, _Arrow);
var _super = _createSuper(AttackArrow);
function AttackArrow(options) {
var _this;
_classCallCheck(this, AttackArrow);
options = defaultValue(options, {});
options.headHeightFactor = defaultValue(options.headHeightFactor, 0.15);
options.neckHeightFactor = defaultValue(options.headWidthFactor, 0.8);
options.neckWidthFactor = defaultValue(options.neckWidthFactor, 0.15);
options.headWidthFactor = defaultValue(options.headWidthFactor, 0.4);
options.tailWidthFactor = defaultValue(options.tailWidthFactor, 0.25);
_this = _super.call(this, options);
_this._headTailHeightFactor = defaultValue(options.headTailHeightFactor, 0.5);
_this._tail = defaultValue(options.tail, true);
_this._heightFactor = defaultValue(options.heightFactor, 0.8);
_this._tailHeightFactor = defaultValue(options.tailHeightFactor, 0.05);
_this.init();
defineProperties(_assertThisInitialized(_this));
_this.merge();
return _this;
}
_createClass(AttackArrow, [{
key: "addControl",
value: function addControl(control) {
var lastNode = this.controls[this.controls.length - 1]; // if (lastNode && lastNode[0] === control[0] && lastNode[1] === control[1]) {
// return;
// }
this.controls.push(control);
if (!this.tail && this.controls.length >= AttackArrow.MIN_CONTROL_COUNT || this.controls.length >= AttackArrow.MIN_CONTROL_COUNT + 1) {
this.init();
this.merge();
}
}
}, {
key: "updateControl",
value: function updateControl(index, control) {
this.controls[index] = control;
if (!this.tail && this.controls.length >= AttackArrow.MIN_CONTROL_COUNT || this.controls.length >= AttackArrow.MIN_CONTROL_COUNT + 1) {
this.init();
this.merge();
}
}
}, {
key: "popControl",
value: function popControl() {
this.controls.pop();
}
}, {
key: "init",
value: function init() {
var _ref;
if (!this.tail && this.controls.length < AttackArrow.MIN_CONTROL_COUNT) {
return;
}
if (this.tail && this.controls.length < AttackArrow.MIN_CONTROL_COUNT + 1) {
return;
}
this._head1 = this.controls[0];
this._head2 = this.controls[1];
this.tail && PlotUtil.isClockWise(this.controls[0], this.controls[1], this.controls[2]) && (_ref = [this._head2, this._head1], this._head1 = _ref[0], this._head2 = _ref[1], _ref);
this._headComponent = this.createHeadComponent();
this._bodyComponent = this.createBodyComponent();
if (this._tail) {
this._tailComponent = this.createTailComponent();
}
}
}, {
key: "createHeadComponent",
value: function createHeadComponent() {
var controls, tailWidth;
if (this.tail) {
var mid = PlotUtil.mid(this._head1, this._head2);
controls = [mid].concat(_toConsumableArray(this.controls.slice(2)));
tailWidth = PlotUtil.distance(this._head1, this._head2);
} else {
controls = this.controls;
}
var count = controls.length;
return new ArrowComponent({
controls: controls,
heightFactor: this._headHeightFactor,
neckHeightFactor: this._neckHeightFactor,
headWidthFactor: this._headWidthFactor,
neckWidthFactor: this._neckWidthFactor,
headMaxHeight: this._headTailHeightFactor * tailWidth,
index: [count - 2, count - 1]
});
}
}, {
key: "createBodyComponent",
value: function createBodyComponent() {
var mid,
controls = this.controls.slice(2);
var neckWidth = PlotUtil.distance(this._headComponent.nodes[0], this._headComponent.nodes[4]);
var baseLength = PlotUtil.baseLength(controls);
var tailWidth;
if (this._tail) {
tailWidth = PlotUtil.distance(this.controls[0], this.controls[1]);
mid = PlotUtil.mid(this._head1, this._head2);
controls = [mid].concat(_toConsumableArray(controls));
var _baseLength = PlotUtil.baseLength(controls);
this._tailWidthFactor = tailWidth / _baseLength;
} else {
tailWidth = baseLength * this._tailWidthFactor;
controls = this.controls;
}
var headWidthFactor = neckWidth / baseLength;
return new SplineComponent$1({
controls: controls,
headWidthFactor: headWidthFactor,
tailWidthFactor: this._tailWidthFactor
});
}
}, {
key: "createTailComponent",
value: function createTailComponent() {
if (!this._bodyComponent) {
return;
} // const mid = Util.mid(this._head1, this._head2);
var controls = this.controls;
return new HalfSwallowTail({
controls: controls,
heightFactor: this._tailHeightFactor
});
}
}]);
return AttackArrow;
}(Arrow);
_defineProperty(AttackArrow, "MIN_CONTROL_COUNT", 2);
var DoubleArrow = /*#__PURE__*/function (_Arrow) {
_inherits(DoubleArrow, _Arrow);
var _super = _createSuper(DoubleArrow);
function DoubleArrow(options) {
var _this;
_classCallCheck(this, DoubleArrow);
options = defaultValue(options, {});
options.neckHeightFactor = defaultValue(options.neckHeightFactor, 0.8);
options.neckWidthFactor = defaultValue(options.neckWidthFactor, 0.2);
options.headWidthFactor = defaultValue(options.headWidthFactor, 0.5);
_this = _super.call(this, options);
_this._nodes = [];
_this.init();
defineProperties(_assertThisInitialized(_this));
_this.merge();
return _this;
}
_createClass(DoubleArrow, [{
key: "addControl",
value: function addControl(control) {
if (this.controls.length >= DoubleArrow.MAX_CONTROL_COUNT) {
this.popControl();
}
this.controls.push(control);
if (this.controls.length >= DoubleArrow.MIN_CONTROL_COUNT) {
this.init();
this.merge();
}
}
}, {
key: "updateControl",
value: function updateControl(index, control) {
this.controls[index] = control;
if (this.controls.length >= DoubleArrow.MIN_CONTROL_COUNT) {
this.init();
this.merge();
}
}
}, {
key: "popControl",
value: function popControl() {
return this.controls.pop();
}
}, {
key: "init",
value: function init() {
if (this.controls.length < DoubleArrow.MIN_CONTROL_COUNT) {
return;
}
this.getPoints();
}
}, {
key: "tempPoint4",
value: function tempPoint4(p1, p2, p3) {
var mid = PlotUtil.mid(p1, p2);
var distance = PlotUtil.distance(mid, p3);
var angle = PlotUtil.angleOfThreePoints(p1, mid, p3);
var x, y;
var rst;
if (angle < Math.PI / 2) ; else if (angle < Math.PI && angle >= Math.PI / 2)