You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.2 KiB
86 lines
2.2 KiB
'use strict';
|
|
|
|
import CircleImageBase from '../util/CircleImageBase'
|
|
|
|
/**
|
|
* A Circle Node/Cluster shape.
|
|
*
|
|
* @extends CircleImageBase
|
|
*/
|
|
class Circle extends CircleImageBase {
|
|
/**
|
|
* @param {Object} options
|
|
* @param {Object} body
|
|
* @param {Label} labelModule
|
|
*/
|
|
constructor(options, body, labelModule) {
|
|
super(options, body, labelModule);
|
|
this._setMargins(labelModule);
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {CanvasRenderingContext2D} ctx
|
|
* @param {boolean} [selected]
|
|
* @param {boolean} [hover]
|
|
*/
|
|
resize(ctx, selected = this.selected, hover = this.hover) {
|
|
if (this.needsRefresh(selected, hover)) {
|
|
var dimensions = this.getDimensionsFromLabel(ctx, selected, hover);
|
|
|
|
var diameter = Math.max(dimensions.width + this.margin.right + this.margin.left,
|
|
dimensions.height + this.margin.top + this.margin.bottom);
|
|
|
|
this.options.size = diameter / 2; // NOTE: this size field only set here, not in Ellipse, Database, Box
|
|
this.width = diameter;
|
|
this.height = diameter;
|
|
this.radius = this.width / 2;
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {CanvasRenderingContext2D} ctx
|
|
* @param {number} x width
|
|
* @param {number} y height
|
|
* @param {boolean} selected
|
|
* @param {boolean} hover
|
|
* @param {ArrowOptions} values
|
|
*/
|
|
draw(ctx, x, y, selected, hover, values) {
|
|
this.resize(ctx, selected, hover);
|
|
this.left = x - this.width / 2;
|
|
this.top = y - this.height / 2;
|
|
|
|
this._drawRawCircle(ctx, x, y, values);
|
|
|
|
this.updateBoundingBox(x,y);
|
|
this.labelModule.draw(ctx, this.left + this.textSize.width / 2 + this.margin.left,
|
|
y, selected, hover);
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {number} x width
|
|
* @param {number} y height
|
|
*/
|
|
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;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {CanvasRenderingContext2D} ctx
|
|
* @param {number} angle - Unused
|
|
* @returns {number}
|
|
*/
|
|
distanceToBorder(ctx, angle) { // eslint-disable-line no-unused-vars
|
|
this.resize(ctx);
|
|
return this.width * 0.5;
|
|
}
|
|
}
|
|
|
|
export default Circle;
|