import NodeBase from '../util/NodeBase' /** * Base class for constructing Node/Cluster Shapes. * * @class ShapeBase * @extends NodeBase */ class ShapeBase extends NodeBase { /** * @param {Object} options * @param {Object} body * @param {Label} labelModule * @constructor ShapeBase */ constructor(options, body, labelModule) { super(options, body, labelModule) } /** * * @param {CanvasRenderingContext2D} ctx * @param {Boolean} [selected] * @param {Boolean} [hover] * @param {Object} [values={size: this.options.size}] */ resize(ctx, selected = this.selected, hover = this.hover, values = { size: this.options.size }) { if (this.needsRefresh(selected, hover)) { this.labelModule.getTextSize(ctx, selected, hover); var size = 2 * values.size; this.width = size; this.height = size; this.radius = 0.5*this.width; } } /** * * @param {CanvasRenderingContext2D} ctx * @param {String} shape * @param {Number} sizeMultiplier - Unused! TODO: Remove next major release * @param {Number} x * @param {Number} y * @param {Boolean} selected * @param {Boolean} hover * @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 * @private */ _drawShape(ctx, shape, sizeMultiplier, x, y, selected, hover, values) { this.resize(ctx, selected, hover, values); this.left = x - this.width / 2; this.top = y - this.height / 2; this.initContextForDraw(ctx, values); ctx[shape](x, y, values.size); this.performFill(ctx, values); if (this.options.label !== undefined) { // Need to call following here in order to ensure value for `this.labelModule.size.height` this.labelModule.calculateLabelSize(ctx, selected, hover, x, y, 'hanging') let yLabel = y + 0.5 * this.height + 0.5 * this.labelModule.size.height; this.labelModule.draw(ctx, x, yLabel, selected, hover, 'hanging'); } this.updateBoundingBox(x,y); } /** * * @param {Number} x * @param {Number} y */ updateBoundingBox(x, y) { this.boundingBox.top = y - this.options.size; this.boundingBox.left = x - this.options.size; this.boundingBox.right = x + this.options.size; this.boundingBox.bottom = y + this.options.size; if (this.options.label !== undefined && this.labelModule.size.width > 0) { this.boundingBox.left = Math.min(this.boundingBox.left, this.labelModule.size.left); this.boundingBox.right = Math.max(this.boundingBox.right, this.labelModule.size.left + this.labelModule.size.width); this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelModule.size.height); } } } export default ShapeBase;