Introduction - If you have any usage issues, please Google them yourself
(1). Bresenham algorithm for drawing a straight line to use. (2). By drawing Bresenham algorithm. (3). With RBI (for example: C language putpixel ()) display Chinese characters,汉字库preserved in documentary form in order to graphically display Chinese characters. (4). In the two-dimensional spatial mapping of a polygon (triangle, quadrilateral optional), and then the implementation of translational transform, symmetry transform and rotation transformation,