采用QT和C++编写，用QT编写的界面，结合opencv编写的图像处理中直方图的相关处理，可作为opencv的入门小练习。-Using QT and C++ writing, written using QT interface, combined with the preparation of image processing opencv histogram correlation processing, can be used as an entry opencv little exerc

使用C++和QT编程的图形学应用，主要完成了图形界面的开发，可以画直线，曲线，圆形以及多边形(Graphics applications using C++ and QT programming)