基于mfc 单文档编写，运用了对话框资源，包括自己定义的几个对话框，采用了自带的颜色对话框，几何图形通过递归函数编写，实现了垫片算法、科和曲线等-Dialog based mfc single document written using resources, including their own definition of several dialog, color dialog box comes, geometry written by a recursive function, gas