我自己写的一个基于MFC的2D绘图软件，里面包含各种基本的2D图形绘制算法，如跟踪画线，框，圆，贝赛尔曲线等，希望对初学者有用！本程序可直接用Visual 2003.Net打开。-I wrote it myself MFC based on the 2D graphics software, which contains a variety of basic 2D graphics rendering algorithms, such as tracking painting line, box