一个读写图片并且改写鼠标形状，跟踪鼠标位置，存取鼠标点左边到txt文件。同时可以进行绘制椭圆，方形，直线等功能。有浮动菜单等多种菜单操作~-A read-write image and rewrite the mouse shape, tracking the mouse position, access to the txt file on the left click of the mouse. At the same time can draw oval, square, straight