一个字符的简单渲染程序，实现了单个字符的加边、加影、贴图和光照等功能。其中贴图时需要BMP图片，光照需要BMP灰度图片。这里没有提供，请自己找-Simple rendering of a character program, to achieve a single character plus side, plus video, textures and lighting functions. Which requires BMP image mapping, lighting needs BM