画椭圆的方法有很多，这是其中一种，用DDA算法画的

为规划部门写的,在acad上绘制城市道路的横断面图-Written for the planning department in the Acad drawing of the cross-sectional diagram of Urban Roads

数字隐写技术，很好用的数字水印算法。采用VC++编程实现，步骤明细，内容清楚，欢迎下载-Digital steganography technology, a good digital watermarking algorithm used. Using VC++ programming, steps detail, content, clear, welcome to download

zbuffer算法常用于3维图形的消隐，以及布尔运算，vc编的。-zbuffer algorithm commonly used in the blanking of the 3-dimensional graphics, as well as Boolean, vc series.

神龙卡开发完全范例，适合视频、音频开发人员参考使用。-Shenlong card development paradigm completely suitable for video, audio developers use and reference.

200us延时子程序，延时时间可以调整。-200us delay subroutine, delay time can be adjusted.

利用vc++编制的一个圆，有三种图形，分别为线球，平面球与光华的球-use vc establishment of a round, three graphics, lines of the ball, plane ball and the ball Sinorama

这是一个用C++编写的图像处理源程序代码，没有图形界面-This is a preparation of the C source code image processing, no graphical interface

类似windows的绘图程序，可以很好的在c#环境下得到满意效果-Similar to Windows drawing program

代码充满了哟！代码都是哟！

Delphi 7.0 + MapX5.0-Delphi 7.0+ MapX 5.0