vis.js is a dynamic, browser-based visualization library
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'use strict';
import CircleImageBase from '../util/CircleImageBase'
class Image extends CircleImageBase {
constructor (options, body, labelModule, imageObj) {
super(options, body, labelModule);
this.imageObj = imageObj;
}
resize() {
this._resizeImage();
}
draw(ctx, x, y, selected, hover) {
this.resize();
this.left = x - this.width / 2;
this.top = y - this.height / 2;
this._drawImageAtPosition(ctx);
this.boundingBox.top = this.top;
this.boundingBox.left = this.left;
this.boundingBox.right = this.left + this.width;
this.boundingBox.bottom = this.top + this.height;
this._drawImageLabel(ctx, x, y, selected || hover);
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);
}
distanceToBorder(ctx, angle) {
this.resize(ctx);
var a = this.width / 2;
var b = this.height / 2;
var w = (Math.sin(angle) * a);
var h = (Math.cos(angle) * b);
return a * b / Math.sqrt(w * w + h * h);
}
}
export default Image;