GDI中提供的各种绘图方法LineTo(), Ellipse()等等，都没有考虑过锯齿形状的消除，于是诞生了本代码，它实现了近乎实时的消除图形锯齿的方法。 -GDI provides a variety of mapping methods LineTo (), Ellipse () etc., are not considered to eliminate jagged shapes, so the birth of the code, which implements a near r