片支持鼠标放大（按比列放大)以及右下角的◢的拖拽形式的不规则放大 图片本身支持拖放功能。可以自由选择旋转工具条是否打开.-Chip support mouse to enlarge (prorated to enlarge) ◢ drag the lower right corner of the form of irregular Enlarge Image support drag-and-drop functionality. Are free to choose the the rota