Introduction - If you have any usage issues, please Google them yourself
e-mail: cproom@163.net computer graphics programming practice, including painting a straight line, anti-aliased line, circle, drawing an oval, rectangular painting, painting polygon, rectangle fill, polygon fill, 3D transformation, light, texture and so on. Because energy is limited, not to the original code to make any comment. Simplify the programming for consideration, in many parts of specified constant, making general-purpose processing.