OpenCV的结构与windows CDC相结合的图像对象，这…

代码说明：

将opencv的image结构与windows CDC对象结合起来，本例就轻松用opencv反走样直线绘制在CDC对象里面。 接供的接口很有参考价值。 -Opencv structure to the image object with the combination of windows CDC, which in this case on the easy to use anti-aliasing opencv draw a straight line inside the CDC object. Access interface for a good reference.