最新的流行的用户界面从三维又回到了二维平面，本程序介绍如何实现平面外观的编辑框-the latest popular user interface from the 3D back to the two-dimensional plane, the procedures on how to achieve the appearance of the graphic editing Box

用C++程序实现二维线性变换，拉长，顺时针与逆时针旋转。-With C++ program to achieve the two-dimensional linear transformation, lengthen, clockwise and counterclockwise rotation.