画线的算法不少，但要作到高速、简单并不容易。斜率相乘法是最简单的方法之一，但计算每个点均要花费不少时间用于乘、除法运算；

The slope is the most simple multiplication is one of the ways, but each point are calculated to spend a lot of time for the multiplication and division operations;

youdao

画线的算法不少，但要作到高速、简单并不容易。斜率相乘法是最简单的方法之一，但计算每个点均要花费不少时间用于乘、除法运算；

The slope is the most simple multiplication is one of the ways, but each point are calculated to spend a lot of time for the multiplication and division operations;

youdao