c＋＋做的图形学的内容。。鼠标拖动画直线，鼠标画举行。填充。。。所有图形学的基本功能的实现。对了。还有许多个交互式绘制曲线的功能。。。适用于初级的c＋＋学习-c++ to do graphics content. . Drag your mouse animated straight, hold the mouse painting. Filled. . . All the basic functions of graphics implementation. Right. There are