采用C++编写的画线程序，有3种实现算法，包括DDA，Midpoint，Breseham，计算机图形学。-Drawing a line using C++ written procedures, there are three kinds of realization of algorithms, including the DDA, Midpoint, Breseham, computer graphics.

中点画线算法 Breseham画线算法 DDA画线算法(Midpoint line drawing algorithm, Breseham line drawing algorithm, DDA line drawing algorithm.)