直线生成算法：采用DDA与Mid-Bresenham两种算法实现直线的绘制，可是直线的生成过程现实很明确。-Line generation algorithm: The DDA and the Mid-Bresenham straight line drawing of two algorithms to achieve, but the reality of the line generation process is very clear. 朗读 显示对应的拉丁字符的拼音 字典