onMouseUp() { if (!this.isMouseDown) return; this.isMouseDown = false; this.ellipse.setCoords(); this.ellipse.on('scaling', (o) => { this.onScaling(o); }); this.options.layer.canvas.setActiveObject(this.ellipse); this.options.layer.canvas.renderAll(); this.options.layer.canvas.trigger('object:modified', {target: this.ellipse}); }