分组元素时出错。该错误仅在圆圈上可见。圆圈是矩形。如何分组项目?
var activegroup = canvas.getActiveGroup();
var objectsInGroup = activegroup.getObjects();
activegroup.clone(function (newgroup) {
canvas.discardActiveGroup();
objectsInGroup.forEach(function (object) {
canvas.remove(object);
});
canvas.add(newgroup);
});