Bresenham算法是计算机图形学领域使用最广泛的直线扫描转换算法。仍然假定直线斜率在0~1之间，该方法类似于中点法，由一个误差项符号决定下一个象素点。 -Bresenham algorithm is the field of computer graphics the most widely used linear scan conversion algorithm. Still assuming that the linear slope of between 0 ~ 1, the