1. 简单图元的生成（如直线、圆、长方形等） 2. 用DDA算法或中点（Besenham）算法实现直线段、椭圆或圆的绘制 3. 用扫描线填充算法进行区域填充,用Sutherland 裁剪算法裁减多边形 4. BEZIER曲线或B样条曲线的绘制 5. 个性化图形软件包的开发 6. 所有文件包括源码和截图-1. Easy metafile generation (such as linear, round, rectangular, etc) 2. Using DDA algor

ohen-sutherland直线裁剪算法(The algorithm also called the encoding algorithm, the clipping window four edges where the line can put the plane into 9 regions, each region of the encoding including four is inside the 0 and 1 (for example, x coordinates less