In this paper,the technique and ideals from Bresenhams line drawing algorithm is used in image rotating,and an algorithm of fast image rotating for mechanical engineering drawing is presented.
特Ｂｒｅｓｅｎｈａｍ直线生成算法所采用的技巧和思想，灵活地运用于图象旋转，提出了一种适合于机械工程图图象快速旋转的算法。