程序采用C++读取并处理了BMP文件头，并进行了简单的图像扭曲、变形实验。有助于理解BMP文件结构。-The program uses C++ reading and processing a BMP file header, and a simple image distortions, deformation experiments. Helps to understand the structure of BMP files.

进行错切变形的程序. 错切是图形学里面的一种算法，可以用来加快图像旋转.-the procedure to shear an image