本程序在窗口中显示绘制的5个茶壶图像则景深效果。 本程序是基于单文档的MFC应用程序，主要介绍如何使用accPerspective()函数和如何能够保持在焦点平面的同时抖动视图体等方向的内容。-the procedures in the window display was produced by five images were teapot depth of field effects. This procedure is based on the MFC single document