vis.js is a dynamic, browser-based visualization library
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'use strict';
import CircleImageBase from '../util/CircleImageBase'
class Circle extends CircleImageBase {
constructor(options, body, labelModule) {
super(options, body, labelModule)
this._setMargins(labelModule);
}
resize(ctx, selected = this.selected, hover = this.hover, values = { size: this.options.size}) {
if ((this.width === undefined) || (this.labelModule.differentState(selected, hover))) {
this.textSize = this.labelModule.getTextSize(ctx, selected, hover);
var diameter = Math.max(this.textSize.width + this.margin.right + this.margin.left,
this.textSize.height + this.margin.top + this.margin.bottom);
this.options.size = diameter / 2;
this.width = diameter;
this.height = diameter;
this.radius = this.width / 2;
}
}
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, selected, hover, values);
this.boundingBox.top = y - values.size;
this.boundingBox.left = x - values.size;
this.boundingBox.right = x + values.size;
this.boundingBox.bottom = y + values.size;
this.updateBoundingBox(x,y);
this.labelModule.draw(ctx, this.left + this.textSize.width / 2 + this.margin.left,
y, selected, hover);
}
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;
}
distanceToBorder(ctx, angle) {
this.resize(ctx);
return this.width * 0.5;
}
}
export default Circle;