计算机图形学的编程实践，包括画直线、反走样直线、画圆、

画椭圆、画矩形、画多边形、矩形填充、多边形填充、3D变换、光照、贴图等。由于

精力有限，未对原码做任何注释。出于简化编程的考虑，许多地方指定了常数，未做

通用处理。-computer graphics programming practice, including line drawing, anti-aliasing line, Circle, painted oval, rectangular painting, painting polygon, rectangle filling, polygon filling, 3D transformation, lighting, texture mapping, etc.. Because energy is limited, the original code did not make any notes. For simplified programming considerations, in many places designated constant, even before definitive treatment.