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76 lines
2.7 KiB
76 lines
2.7 KiB
'use strict';
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import NodeBase from '../util/NodeBase'
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/**
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* Am Ellipse Node/Cluster shape.
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*
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* @class Ellipse
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* @extends NodeBase
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*/
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class Ellipse extends NodeBase {
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/**
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* @param {Object} options
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* @param {Object} body
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* @param {Label} labelModule
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* @constructor Ellipse
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*/
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constructor(options, body, labelModule) {
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super(options, body, labelModule);
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}
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/**
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*
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* @param {CanvasRenderingContext2D} ctx - Unused.
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* @param {Boolean} [selected]
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* @param {Boolean} [hover]
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*/
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resize(ctx, selected = this.selected, hover = this.hover) {
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if (this.needsRefresh(selected, hover)) {
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var textSize = this.labelModule.getTextSize(ctx, selected, hover);
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this.height = textSize.height * 2;
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this.width = textSize.width + this.height;
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this.radius = 0.5*this.width;
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}
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}
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/**
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*
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* @param {CanvasRenderingContext2D} ctx
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* @param {number} x width
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* @param {number} y height
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* @param {boolean} selected
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* @param {boolean} hover
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* @param {{toArrow: boolean, toArrowScale: (allOptions.edges.arrows.to.scaleFactor|{number}|allOptions.edges.arrows.middle.scaleFactor|allOptions.edges.arrows.from.scaleFactor|Array|number), toArrowType: *, middleArrow: boolean, middleArrowScale: (number|allOptions.edges.arrows.middle.scaleFactor|{number}|Array), middleArrowType: (allOptions.edges.arrows.middle.type|{string}|string|*), fromArrow: boolean, fromArrowScale: (allOptions.edges.arrows.to.scaleFactor|{number}|allOptions.edges.arrows.middle.scaleFactor|allOptions.edges.arrows.from.scaleFactor|Array|number), fromArrowType: *, arrowStrikethrough: (*|boolean|allOptions.edges.arrowStrikethrough|{boolean}), color: undefined, inheritsColor: (string|string|string|allOptions.edges.color.inherit|{string, boolean}|Array|*), opacity: *, hidden: *, length: *, shadow: *, shadowColor: *, shadowSize: *, shadowX: *, shadowY: *, dashes: (*|boolean|Array|allOptions.edges.dashes|{boolean, array}), width: *}} values
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*/
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draw(ctx, x, y, selected, hover, values) {
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this.resize(ctx, selected, hover);
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this.left = x - this.width * 0.5;
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this.top = y - this.height * 0.5;
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this.initContextForDraw(ctx, values);
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ctx.ellipse_vis(this.left, this.top, this.width, this.height);
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this.performFill(ctx, values);
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this.updateBoundingBox(x, y, ctx, selected, hover);
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this.labelModule.draw(ctx, x, y, selected, hover);
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}
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/**
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*
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* @param {CanvasRenderingContext2D} ctx
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* @param {Number} angle
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* @returns {Number}
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*/
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distanceToBorder(ctx, angle) {
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this.resize(ctx);
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var a = this.width * 0.5;
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var b = this.height * 0.5;
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var w = (Math.sin(angle) * a);
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var h = (Math.cos(angle) * b);
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return a * b / Math.sqrt(w * w + h * h);
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}
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}
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export default Ellipse;
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